modiloader | 04f86889014d775571d3a207ace63a9a2f4917208d1d034503ed941284927359

Analysis

max time kernel
149s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
17-09-2024 18:16

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General

Target

04f86889014d775571d3a207ace63a9a2f4917208d1d034503ed941284927359.exe
Size

90KB
MD5

2613631294ec57dd7499599d6ad71123
SHA1

71af8d989509315f552a9df345ab3ef6b4d2fbdd
SHA256

04f86889014d775571d3a207ace63a9a2f4917208d1d034503ed941284927359
SHA512

e19e8f58d3cc035a325a51de072142c929f9f30b1ad43719de3a00c7af8cc0beb3c29bc430ff0a7c86467c96033cab38336412caf4a2cd5b8c80fcbfb5254b65
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDK:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3Y

Score

10^/10

modiloader discovery persistence trojan upx

Malware Config

Signatures

ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
trojan modiloader

ModiLoader Second Stage 2 IoCs

resource	yara_rule
behavioral1/memory/2596-260-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral1/memory/2596-262-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
2796	csrsll.exe
936	csrsll.exe
2596	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
2644	04f86889014d775571d3a207ace63a9a2f4917208d1d034503ed941284927359.exe
2644	04f86889014d775571d3a207ace63a9a2f4917208d1d034503ed941284927359.exe
2644	04f86889014d775571d3a207ace63a9a2f4917208d1d034503ed941284927359.exe
2644	04f86889014d775571d3a207ace63a9a2f4917208d1d034503ed941284927359.exe
2644	04f86889014d775571d3a207ace63a9a2f4917208d1d034503ed941284927359.exe

UPX packed file 25 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/1692-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2644-101-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2644-97-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2644-95-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2644-109-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2644-105-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2644-104-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1692-103-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1692-92-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1692-83-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1692-82-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1692-79-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1692-68-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1692-35-0x0000000000090000-0x0000000000190000-memory.dmp	upx
behavioral1/memory/1692-29-0x0000000000500000-0x0000000000600000-memory.dmp	upx
behavioral1/files/0x0009000000015d0e-134.dat	upx
behavioral1/memory/2796-154-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2644-157-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2796-221-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2644-258-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2596-260-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/936-259-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2796-249-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/936-261-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2596-262-0x0000000000400000-0x0000000000414000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\Win Pdf = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\csrsll.exe"	reg.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1692 set thread context of 2644	1692	04f86889014d775571d3a207ace63a9a2f4917208d1d034503ed941284927359.exe	31
PID 2796 set thread context of 936	2796	csrsll.exe	36
PID 2796 set thread context of 2596	2796	csrsll.exe	37

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	04f86889014d775571d3a207ace63a9a2f4917208d1d034503ed941284927359.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	04f86889014d775571d3a207ace63a9a2f4917208d1d034503ed941284927359.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	936	csrsll.exe
Token: SeDebugPrivilege	936	csrsll.exe
Token: SeDebugPrivilege	936	csrsll.exe
Token: SeDebugPrivilege	936	csrsll.exe
Token: SeDebugPrivilege	936	csrsll.exe
Token: SeDebugPrivilege	936	csrsll.exe
Token: SeDebugPrivilege	936	csrsll.exe
Token: SeDebugPrivilege	936	csrsll.exe
Token: SeDebugPrivilege	936	csrsll.exe
Token: SeDebugPrivilege	936	csrsll.exe
Token: SeDebugPrivilege	936	csrsll.exe
Token: SeDebugPrivilege	936	csrsll.exe
Token: SeDebugPrivilege	936	csrsll.exe
Token: SeDebugPrivilege	936	csrsll.exe
Token: SeDebugPrivilege	936	csrsll.exe
Token: SeDebugPrivilege	936	csrsll.exe
Token: SeDebugPrivilege	936	csrsll.exe
Token: SeDebugPrivilege	936	csrsll.exe
Token: SeDebugPrivilege	936	csrsll.exe
Token: SeDebugPrivilege	936	csrsll.exe
Token: SeDebugPrivilege	936	csrsll.exe
Token: SeDebugPrivilege	936	csrsll.exe
Token: SeDebugPrivilege	936	csrsll.exe
Token: SeDebugPrivilege	936	csrsll.exe
Token: SeDebugPrivilege	936	csrsll.exe
Token: SeDebugPrivilege	936	csrsll.exe
Token: SeDebugPrivilege	936	csrsll.exe
Token: SeDebugPrivilege	936	csrsll.exe
Token: SeDebugPrivilege	936	csrsll.exe
Token: SeDebugPrivilege	936	csrsll.exe
Token: SeDebugPrivilege	936	csrsll.exe
Token: SeDebugPrivilege	936	csrsll.exe
Token: SeDebugPrivilege	936	csrsll.exe
Token: SeDebugPrivilege	936	csrsll.exe
Token: SeDebugPrivilege	936	csrsll.exe
Token: SeDebugPrivilege	936	csrsll.exe
Token: SeDebugPrivilege	936	csrsll.exe
Token: SeDebugPrivilege	936	csrsll.exe
Token: SeDebugPrivilege	936	csrsll.exe
Token: SeDebugPrivilege	936	csrsll.exe
Token: SeDebugPrivilege	936	csrsll.exe
Token: SeDebugPrivilege	936	csrsll.exe
Token: SeDebugPrivilege	936	csrsll.exe
Token: SeDebugPrivilege	936	csrsll.exe
Token: SeDebugPrivilege	936	csrsll.exe
Token: SeDebugPrivilege	936	csrsll.exe
Token: SeDebugPrivilege	936	csrsll.exe
Token: SeDebugPrivilege	936	csrsll.exe
Token: SeDebugPrivilege	936	csrsll.exe
Token: SeDebugPrivilege	936	csrsll.exe
Token: SeDebugPrivilege	936	csrsll.exe
Token: SeDebugPrivilege	936	csrsll.exe
Token: SeDebugPrivilege	936	csrsll.exe
Token: SeDebugPrivilege	936	csrsll.exe
Token: SeDebugPrivilege	936	csrsll.exe
Token: SeDebugPrivilege	936	csrsll.exe
Token: SeDebugPrivilege	936	csrsll.exe
Token: SeDebugPrivilege	936	csrsll.exe
Token: SeDebugPrivilege	936	csrsll.exe
Token: SeDebugPrivilege	936	csrsll.exe
Token: SeDebugPrivilege	936	csrsll.exe
Token: SeDebugPrivilege	936	csrsll.exe
Token: SeDebugPrivilege	936	csrsll.exe
Token: SeDebugPrivilege	936	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1692	04f86889014d775571d3a207ace63a9a2f4917208d1d034503ed941284927359.exe
2644	04f86889014d775571d3a207ace63a9a2f4917208d1d034503ed941284927359.exe
2796	csrsll.exe
936	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 1692 wrote to memory of 2644	1692	04f86889014d775571d3a207ace63a9a2f4917208d1d034503ed941284927359.exe	31
PID 1692 wrote to memory of 2644	1692	04f86889014d775571d3a207ace63a9a2f4917208d1d034503ed941284927359.exe	31
PID 1692 wrote to memory of 2644	1692	04f86889014d775571d3a207ace63a9a2f4917208d1d034503ed941284927359.exe	31
PID 1692 wrote to memory of 2644	1692	04f86889014d775571d3a207ace63a9a2f4917208d1d034503ed941284927359.exe	31
PID 1692 wrote to memory of 2644	1692	04f86889014d775571d3a207ace63a9a2f4917208d1d034503ed941284927359.exe	31
PID 1692 wrote to memory of 2644	1692	04f86889014d775571d3a207ace63a9a2f4917208d1d034503ed941284927359.exe	31
PID 1692 wrote to memory of 2644	1692	04f86889014d775571d3a207ace63a9a2f4917208d1d034503ed941284927359.exe	31
PID 1692 wrote to memory of 2644	1692	04f86889014d775571d3a207ace63a9a2f4917208d1d034503ed941284927359.exe	31
PID 2644 wrote to memory of 1260	2644	04f86889014d775571d3a207ace63a9a2f4917208d1d034503ed941284927359.exe	32
PID 2644 wrote to memory of 1260	2644	04f86889014d775571d3a207ace63a9a2f4917208d1d034503ed941284927359.exe	32
PID 2644 wrote to memory of 1260	2644	04f86889014d775571d3a207ace63a9a2f4917208d1d034503ed941284927359.exe	32
PID 2644 wrote to memory of 1260	2644	04f86889014d775571d3a207ace63a9a2f4917208d1d034503ed941284927359.exe	32
PID 1260 wrote to memory of 988	1260	cmd.exe	34
PID 1260 wrote to memory of 988	1260	cmd.exe	34
PID 1260 wrote to memory of 988	1260	cmd.exe	34
PID 1260 wrote to memory of 988	1260	cmd.exe	34
PID 2644 wrote to memory of 2796	2644	04f86889014d775571d3a207ace63a9a2f4917208d1d034503ed941284927359.exe	35
PID 2644 wrote to memory of 2796	2644	04f86889014d775571d3a207ace63a9a2f4917208d1d034503ed941284927359.exe	35
PID 2644 wrote to memory of 2796	2644	04f86889014d775571d3a207ace63a9a2f4917208d1d034503ed941284927359.exe	35
PID 2644 wrote to memory of 2796	2644	04f86889014d775571d3a207ace63a9a2f4917208d1d034503ed941284927359.exe	35
PID 2796 wrote to memory of 936	2796	csrsll.exe	36
PID 2796 wrote to memory of 936	2796	csrsll.exe	36
PID 2796 wrote to memory of 936	2796	csrsll.exe	36
PID 2796 wrote to memory of 936	2796	csrsll.exe	36
PID 2796 wrote to memory of 936	2796	csrsll.exe	36
PID 2796 wrote to memory of 936	2796	csrsll.exe	36
PID 2796 wrote to memory of 936	2796	csrsll.exe	36
PID 2796 wrote to memory of 936	2796	csrsll.exe	36
PID 2796 wrote to memory of 2596	2796	csrsll.exe	37
PID 2796 wrote to memory of 2596	2796	csrsll.exe	37
PID 2796 wrote to memory of 2596	2796	csrsll.exe	37
PID 2796 wrote to memory of 2596	2796	csrsll.exe	37
PID 2796 wrote to memory of 2596	2796	csrsll.exe	37
PID 2796 wrote to memory of 2596	2796	csrsll.exe	37
PID 2796 wrote to memory of 2596	2796	csrsll.exe	37
PID 2796 wrote to memory of 2596	2796	csrsll.exe	37

C:\Users\Admin\AppData\Local\Temp\04f86889014d775571d3a207ace63a9a2f4917208d1d034503ed941284927359.exe
"C:\Users\Admin\AppData\Local\Temp\04f86889014d775571d3a207ace63a9a2f4917208d1d034503ed941284927359.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1692
- C:\Users\Admin\AppData\Local\Temp\04f86889014d775571d3a207ace63a9a2f4917208d1d034503ed941284927359.exe
  "C:\Users\Admin\AppData\Local\Temp\04f86889014d775571d3a207ace63a9a2f4917208d1d034503ed941284927359.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2644
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\PPBJA.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1260
  - - C:\Windows\SysWOW64\reg.exe
      REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Win Pdf" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe" /f
      4⤵
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      PID:988
- - C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2796
  - - C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:936
  - - C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      PID:2596

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\PPBJA.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

Download Submit
\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe

Filesize
90KB

MD5
1b41c53326e4a7f6145b7f779a9886d6

SHA1
a54cafe542613eea307ec54a9d16a44d0d1c66ec

SHA256
182b7bcf3e415e73c5425ff993b016bb69129fde1abb08fc3a1181d5cc8f9f51

SHA512
1cb8ded24db0587b4574b5555cc65f3928c24b52a8cc3053ad61d3b9e6a952a70fd4b8e3d7494395eeb251c649c45194d12bba3e267bdcac78232df43be5fff9

Download Submit
memory/936-261-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/936-259-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1692-68-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1692-83-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1692-27-0x0000000000350000-0x0000000000351000-memory.dmp

Filesize
4KB

Download
memory/1692-3-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/1692-5-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/1692-107-0x0000000001D20000-0x0000000001D73000-memory.dmp

Filesize
332KB

Download
memory/1692-60-0x00000000003B0000-0x00000000003B1000-memory.dmp

Filesize
4KB

Download
memory/1692-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1692-103-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1692-40-0x0000000000370000-0x0000000000371000-memory.dmp

Filesize
4KB

Download
memory/1692-92-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1692-29-0x0000000000500000-0x0000000000600000-memory.dmp

Filesize
1024KB

Download
memory/1692-82-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1692-79-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1692-15-0x0000000000320000-0x0000000000321000-memory.dmp

Filesize
4KB

Download
memory/1692-47-0x0000000000500000-0x0000000000600000-memory.dmp

Filesize
1024KB

Download
memory/1692-37-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/1692-35-0x0000000000090000-0x0000000000190000-memory.dmp

Filesize
1024KB

Download
memory/1692-34-0x0000000000500000-0x0000000000600000-memory.dmp

Filesize
1024KB

Download
memory/1692-31-0x0000000000500000-0x0000000000600000-memory.dmp

Filesize
1024KB

Download
memory/1692-30-0x0000000000500000-0x0000000000600000-memory.dmp

Filesize
1024KB

Download
memory/2596-262-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2596-260-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2644-104-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2644-148-0x0000000003250000-0x00000000032A3000-memory.dmp

Filesize
332KB

Download
memory/2644-109-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2644-93-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2644-101-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2644-152-0x0000000003250000-0x00000000032A3000-memory.dmp

Filesize
332KB

Download
memory/2644-151-0x0000000003250000-0x00000000032A3000-memory.dmp

Filesize
332KB

Download
memory/2644-150-0x0000000003250000-0x00000000032A3000-memory.dmp

Filesize
332KB

Download
memory/2644-149-0x0000000003250000-0x00000000032A3000-memory.dmp

Filesize
332KB

Download
memory/2644-105-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2644-157-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2644-99-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2644-258-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2644-95-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2644-97-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2796-249-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2796-221-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2796-154-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads