modiloader | 93f0dcad3d89f7da28bd2b6f6fe2ec5306022287bfceecb0e4d450cbdd0ebb74

Analysis

max time kernel
149s
max time network
117s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
19-09-2024 00:10

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General

Target

93f0dcad3d89f7da28bd2b6f6fe2ec5306022287bfceecb0e4d450cbdd0ebb74.exe
Size

90KB
MD5

1ade2ced707ff7784790e90901d7e4e6
SHA1

400fb9f8737d0f2c8f307b29ead0f22c9f41cf66
SHA256

93f0dcad3d89f7da28bd2b6f6fe2ec5306022287bfceecb0e4d450cbdd0ebb74
SHA512

927b1e76875a1de8b133ab0ea904c64268b2b1a346ee2be9dd79be3a1b6869fccd66e163235f765353acae1f8d171ec5ed65d8d88bd3b294d08784b96f2a87e8
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/980-253-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral1/memory/980-255-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
2588	csrsll.exe
1672	csrsll.exe
980	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
2600	93f0dcad3d89f7da28bd2b6f6fe2ec5306022287bfceecb0e4d450cbdd0ebb74.exe
2600	93f0dcad3d89f7da28bd2b6f6fe2ec5306022287bfceecb0e4d450cbdd0ebb74.exe
2600	93f0dcad3d89f7da28bd2b6f6fe2ec5306022287bfceecb0e4d450cbdd0ebb74.exe
2600	93f0dcad3d89f7da28bd2b6f6fe2ec5306022287bfceecb0e4d450cbdd0ebb74.exe
2600	93f0dcad3d89f7da28bd2b6f6fe2ec5306022287bfceecb0e4d450cbdd0ebb74.exe

UPX packed file 21 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2476-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2476-104-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2600-102-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2600-101-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2600-100-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2600-98-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2600-94-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2600-92-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2476-89-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2476-26-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/files/0x000a000000016ddf-129.dat	upx
behavioral1/memory/2600-131-0x00000000031A0000-0x00000000031F3000-memory.dmp	upx
behavioral1/memory/2588-147-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2600-150-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2588-210-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2600-247-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/980-253-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/1672-252-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2588-244-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1672-254-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/980-255-0x0000000000400000-0x0000000000414000-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-1-5-21-3434294380-2554721341-1919518612-1000\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 2476 set thread context of 2600	2476	93f0dcad3d89f7da28bd2b6f6fe2ec5306022287bfceecb0e4d450cbdd0ebb74.exe	31
PID 2588 set thread context of 1672	2588	csrsll.exe	36
PID 2588 set thread context of 980	2588	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	93f0dcad3d89f7da28bd2b6f6fe2ec5306022287bfceecb0e4d450cbdd0ebb74.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	93f0dcad3d89f7da28bd2b6f6fe2ec5306022287bfceecb0e4d450cbdd0ebb74.exe
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

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe
Token: SeDebugPrivilege	1672	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2476	93f0dcad3d89f7da28bd2b6f6fe2ec5306022287bfceecb0e4d450cbdd0ebb74.exe
2600	93f0dcad3d89f7da28bd2b6f6fe2ec5306022287bfceecb0e4d450cbdd0ebb74.exe
2588	csrsll.exe
1672	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2476 wrote to memory of 2600	2476	93f0dcad3d89f7da28bd2b6f6fe2ec5306022287bfceecb0e4d450cbdd0ebb74.exe	31
PID 2476 wrote to memory of 2600	2476	93f0dcad3d89f7da28bd2b6f6fe2ec5306022287bfceecb0e4d450cbdd0ebb74.exe	31
PID 2476 wrote to memory of 2600	2476	93f0dcad3d89f7da28bd2b6f6fe2ec5306022287bfceecb0e4d450cbdd0ebb74.exe	31
PID 2476 wrote to memory of 2600	2476	93f0dcad3d89f7da28bd2b6f6fe2ec5306022287bfceecb0e4d450cbdd0ebb74.exe	31
PID 2476 wrote to memory of 2600	2476	93f0dcad3d89f7da28bd2b6f6fe2ec5306022287bfceecb0e4d450cbdd0ebb74.exe	31
PID 2476 wrote to memory of 2600	2476	93f0dcad3d89f7da28bd2b6f6fe2ec5306022287bfceecb0e4d450cbdd0ebb74.exe	31
PID 2476 wrote to memory of 2600	2476	93f0dcad3d89f7da28bd2b6f6fe2ec5306022287bfceecb0e4d450cbdd0ebb74.exe	31
PID 2476 wrote to memory of 2600	2476	93f0dcad3d89f7da28bd2b6f6fe2ec5306022287bfceecb0e4d450cbdd0ebb74.exe	31
PID 2600 wrote to memory of 1608	2600	93f0dcad3d89f7da28bd2b6f6fe2ec5306022287bfceecb0e4d450cbdd0ebb74.exe	32
PID 2600 wrote to memory of 1608	2600	93f0dcad3d89f7da28bd2b6f6fe2ec5306022287bfceecb0e4d450cbdd0ebb74.exe	32
PID 2600 wrote to memory of 1608	2600	93f0dcad3d89f7da28bd2b6f6fe2ec5306022287bfceecb0e4d450cbdd0ebb74.exe	32
PID 2600 wrote to memory of 1608	2600	93f0dcad3d89f7da28bd2b6f6fe2ec5306022287bfceecb0e4d450cbdd0ebb74.exe	32
PID 1608 wrote to memory of 1856	1608	cmd.exe	34
PID 1608 wrote to memory of 1856	1608	cmd.exe	34
PID 1608 wrote to memory of 1856	1608	cmd.exe	34
PID 1608 wrote to memory of 1856	1608	cmd.exe	34
PID 2600 wrote to memory of 2588	2600	93f0dcad3d89f7da28bd2b6f6fe2ec5306022287bfceecb0e4d450cbdd0ebb74.exe	35
PID 2600 wrote to memory of 2588	2600	93f0dcad3d89f7da28bd2b6f6fe2ec5306022287bfceecb0e4d450cbdd0ebb74.exe	35
PID 2600 wrote to memory of 2588	2600	93f0dcad3d89f7da28bd2b6f6fe2ec5306022287bfceecb0e4d450cbdd0ebb74.exe	35
PID 2600 wrote to memory of 2588	2600	93f0dcad3d89f7da28bd2b6f6fe2ec5306022287bfceecb0e4d450cbdd0ebb74.exe	35
PID 2588 wrote to memory of 1672	2588	csrsll.exe	36
PID 2588 wrote to memory of 1672	2588	csrsll.exe	36
PID 2588 wrote to memory of 1672	2588	csrsll.exe	36
PID 2588 wrote to memory of 1672	2588	csrsll.exe	36
PID 2588 wrote to memory of 1672	2588	csrsll.exe	36
PID 2588 wrote to memory of 1672	2588	csrsll.exe	36
PID 2588 wrote to memory of 1672	2588	csrsll.exe	36
PID 2588 wrote to memory of 1672	2588	csrsll.exe	36
PID 2588 wrote to memory of 980	2588	csrsll.exe	37
PID 2588 wrote to memory of 980	2588	csrsll.exe	37
PID 2588 wrote to memory of 980	2588	csrsll.exe	37
PID 2588 wrote to memory of 980	2588	csrsll.exe	37
PID 2588 wrote to memory of 980	2588	csrsll.exe	37
PID 2588 wrote to memory of 980	2588	csrsll.exe	37
PID 2588 wrote to memory of 980	2588	csrsll.exe	37
PID 2588 wrote to memory of 980	2588	csrsll.exe	37

C:\Users\Admin\AppData\Local\Temp\93f0dcad3d89f7da28bd2b6f6fe2ec5306022287bfceecb0e4d450cbdd0ebb74.exe
"C:\Users\Admin\AppData\Local\Temp\93f0dcad3d89f7da28bd2b6f6fe2ec5306022287bfceecb0e4d450cbdd0ebb74.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2476
- C:\Users\Admin\AppData\Local\Temp\93f0dcad3d89f7da28bd2b6f6fe2ec5306022287bfceecb0e4d450cbdd0ebb74.exe
  "C:\Users\Admin\AppData\Local\Temp\93f0dcad3d89f7da28bd2b6f6fe2ec5306022287bfceecb0e4d450cbdd0ebb74.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2600
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\ALQNB.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1608
  - - 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:1856
- - 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:2588
  - - 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:1672
  - - 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:980

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\ALQNB.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
a9b5199e862f443100da8dc267ffddc3

SHA1
d5ba57f06437c8ef6238b5fdbca0d51e9a7bf98b

SHA256
b0e836f45c6eb4d15aa7ebac16f1d2d56816cf43bf4c90639bbca366a4125471

SHA512
4d0e9822b44c6f87003b277fe2b754fa695ff6f3b46bc196e1d7446dab22817a5d81086c6d96c0fa1a62a700e4a6ba94ffeb5f10f1f3823a85a60ecb8fe1163e

Download Submit
memory/980-255-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/980-253-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1672-252-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1672-254-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2476-41-0x0000000000470000-0x0000000000471000-memory.dmp

Filesize
4KB

Download
memory/2476-71-0x00000000004D0000-0x00000000004D1000-memory.dmp

Filesize
4KB

Download
memory/2476-3-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/2476-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2476-79-0x00000000004F0000-0x00000000004F2000-memory.dmp

Filesize
8KB

Download
memory/2476-15-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/2476-5-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/2476-89-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2476-29-0x00000000003F0000-0x00000000003F1000-memory.dmp

Filesize
4KB

Download
memory/2476-104-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2476-61-0x00000000004B0000-0x00000000004B1000-memory.dmp

Filesize
4KB

Download
memory/2476-25-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/2476-26-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2588-147-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2588-174-0x00000000002B0000-0x00000000002B1000-memory.dmp

Filesize
4KB

Download
memory/2588-163-0x0000000000290000-0x0000000000291000-memory.dmp

Filesize
4KB

Download
memory/2588-244-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2588-210-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2588-153-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2600-98-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2600-131-0x00000000031A0000-0x00000000031F3000-memory.dmp

Filesize
332KB

Download
memory/2600-150-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2600-144-0x00000000031A0000-0x00000000031F3000-memory.dmp

Filesize
332KB

Download
memory/2600-145-0x00000000031A0000-0x00000000031F3000-memory.dmp

Filesize
332KB

Download
memory/2600-90-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2600-92-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2600-247-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2600-94-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2600-96-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2600-100-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2600-101-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2600-102-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads