modiloader | 502469c9a6519e2bfe7281b6a7034ded7ce3706180f638abbce8ca4f43dd9135

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30/11/2024, 05:00

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General

Target

502469c9a6519e2bfe7281b6a7034ded7ce3706180f638abbce8ca4f43dd9135N.exe
Size

90KB
MD5

31c858e842bd1e5bd051aab20dad35a0
SHA1

96d2e61edda6d35f55d42d9c7429a8e54d7358e8
SHA256

502469c9a6519e2bfe7281b6a7034ded7ce3706180f638abbce8ca4f43dd9135
SHA512

231d555ddc5c5605da00b469599a8f1148322223a585d2c48b1f577888e98729b6e2c37f2f3fa5bf4df8ad996288a7a0121bc7bbf0a623191a498c729654a3fb
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDL:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE39

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 family
modiloader

ModiLoader Second Stage 1 IoCs

resource	yara_rule
behavioral1/memory/688-259-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
1264	csrsll.exe
3040	csrsll.exe
688	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
2100	502469c9a6519e2bfe7281b6a7034ded7ce3706180f638abbce8ca4f43dd9135N.exe
2100	502469c9a6519e2bfe7281b6a7034ded7ce3706180f638abbce8ca4f43dd9135N.exe
2100	502469c9a6519e2bfe7281b6a7034ded7ce3706180f638abbce8ca4f43dd9135N.exe
2100	502469c9a6519e2bfe7281b6a7034ded7ce3706180f638abbce8ca4f43dd9135N.exe
2100	502469c9a6519e2bfe7281b6a7034ded7ce3706180f638abbce8ca4f43dd9135N.exe

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-1-5-21-3063565911-2056067323-3330884624-1000\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 2192 set thread context of 2100	2192	502469c9a6519e2bfe7281b6a7034ded7ce3706180f638abbce8ca4f43dd9135N.exe	30
PID 1264 set thread context of 3040	1264	csrsll.exe	35
PID 1264 set thread context of 688	1264	csrsll.exe	36

UPX packed file 23 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2192-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2192-26-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2192-89-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2100-99-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2100-101-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2100-95-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2100-93-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2100-105-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2100-107-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2192-104-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2100-103-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x000c000000012280-142.dat	upx
behavioral1/memory/1264-148-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2100-146-0x00000000032C0000-0x0000000003313000-memory.dmp	upx
behavioral1/memory/2100-151-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1264-212-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2100-209-0x00000000032C0000-0x0000000003313000-memory.dmp	upx
behavioral1/memory/688-245-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/1264-247-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2100-255-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1264-244-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/3040-256-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/688-259-0x0000000000400000-0x0000000000414000-memory.dmp	upx

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	502469c9a6519e2bfe7281b6a7034ded7ce3706180f638abbce8ca4f43dd9135N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	502469c9a6519e2bfe7281b6a7034ded7ce3706180f638abbce8ca4f43dd9135N.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe
Token: SeDebugPrivilege	3040	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2192	502469c9a6519e2bfe7281b6a7034ded7ce3706180f638abbce8ca4f43dd9135N.exe
2100	502469c9a6519e2bfe7281b6a7034ded7ce3706180f638abbce8ca4f43dd9135N.exe
1264	csrsll.exe
3040	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2192 wrote to memory of 2100	2192	502469c9a6519e2bfe7281b6a7034ded7ce3706180f638abbce8ca4f43dd9135N.exe	30
PID 2192 wrote to memory of 2100	2192	502469c9a6519e2bfe7281b6a7034ded7ce3706180f638abbce8ca4f43dd9135N.exe	30
PID 2192 wrote to memory of 2100	2192	502469c9a6519e2bfe7281b6a7034ded7ce3706180f638abbce8ca4f43dd9135N.exe	30
PID 2192 wrote to memory of 2100	2192	502469c9a6519e2bfe7281b6a7034ded7ce3706180f638abbce8ca4f43dd9135N.exe	30
PID 2192 wrote to memory of 2100	2192	502469c9a6519e2bfe7281b6a7034ded7ce3706180f638abbce8ca4f43dd9135N.exe	30
PID 2192 wrote to memory of 2100	2192	502469c9a6519e2bfe7281b6a7034ded7ce3706180f638abbce8ca4f43dd9135N.exe	30
PID 2192 wrote to memory of 2100	2192	502469c9a6519e2bfe7281b6a7034ded7ce3706180f638abbce8ca4f43dd9135N.exe	30
PID 2192 wrote to memory of 2100	2192	502469c9a6519e2bfe7281b6a7034ded7ce3706180f638abbce8ca4f43dd9135N.exe	30
PID 2100 wrote to memory of 2544	2100	502469c9a6519e2bfe7281b6a7034ded7ce3706180f638abbce8ca4f43dd9135N.exe	31
PID 2100 wrote to memory of 2544	2100	502469c9a6519e2bfe7281b6a7034ded7ce3706180f638abbce8ca4f43dd9135N.exe	31
PID 2100 wrote to memory of 2544	2100	502469c9a6519e2bfe7281b6a7034ded7ce3706180f638abbce8ca4f43dd9135N.exe	31
PID 2100 wrote to memory of 2544	2100	502469c9a6519e2bfe7281b6a7034ded7ce3706180f638abbce8ca4f43dd9135N.exe	31
PID 2544 wrote to memory of 628	2544	cmd.exe	33
PID 2544 wrote to memory of 628	2544	cmd.exe	33
PID 2544 wrote to memory of 628	2544	cmd.exe	33
PID 2544 wrote to memory of 628	2544	cmd.exe	33
PID 2100 wrote to memory of 1264	2100	502469c9a6519e2bfe7281b6a7034ded7ce3706180f638abbce8ca4f43dd9135N.exe	34
PID 2100 wrote to memory of 1264	2100	502469c9a6519e2bfe7281b6a7034ded7ce3706180f638abbce8ca4f43dd9135N.exe	34
PID 2100 wrote to memory of 1264	2100	502469c9a6519e2bfe7281b6a7034ded7ce3706180f638abbce8ca4f43dd9135N.exe	34
PID 2100 wrote to memory of 1264	2100	502469c9a6519e2bfe7281b6a7034ded7ce3706180f638abbce8ca4f43dd9135N.exe	34
PID 1264 wrote to memory of 3040	1264	csrsll.exe	35
PID 1264 wrote to memory of 3040	1264	csrsll.exe	35
PID 1264 wrote to memory of 3040	1264	csrsll.exe	35
PID 1264 wrote to memory of 3040	1264	csrsll.exe	35
PID 1264 wrote to memory of 3040	1264	csrsll.exe	35
PID 1264 wrote to memory of 3040	1264	csrsll.exe	35
PID 1264 wrote to memory of 3040	1264	csrsll.exe	35
PID 1264 wrote to memory of 3040	1264	csrsll.exe	35
PID 1264 wrote to memory of 688	1264	csrsll.exe	36
PID 1264 wrote to memory of 688	1264	csrsll.exe	36
PID 1264 wrote to memory of 688	1264	csrsll.exe	36
PID 1264 wrote to memory of 688	1264	csrsll.exe	36
PID 1264 wrote to memory of 688	1264	csrsll.exe	36
PID 1264 wrote to memory of 688	1264	csrsll.exe	36
PID 1264 wrote to memory of 688	1264	csrsll.exe	36
PID 1264 wrote to memory of 688	1264	csrsll.exe	36

C:\Users\Admin\AppData\Local\Temp\502469c9a6519e2bfe7281b6a7034ded7ce3706180f638abbce8ca4f43dd9135N.exe
"C:\Users\Admin\AppData\Local\Temp\502469c9a6519e2bfe7281b6a7034ded7ce3706180f638abbce8ca4f43dd9135N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2192
- C:\Users\Admin\AppData\Local\Temp\502469c9a6519e2bfe7281b6a7034ded7ce3706180f638abbce8ca4f43dd9135N.exe
  "C:\Users\Admin\AppData\Local\Temp\502469c9a6519e2bfe7281b6a7034ded7ce3706180f638abbce8ca4f43dd9135N.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2100
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\WTSWJ.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2544
  - - 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:628
- - 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:1264
  - - 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:3040
  - - 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:688

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

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Downloads

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

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
605280078cd9a9f74ac54dc483da2706

SHA1
59a3d87dc074cff5ba9c25c03add66c3f9a96601

SHA256
981cdfbd9f8e6952385e4a17bb493cde1dafcc7c658e777c3dd6f0f267085b5d

SHA512
f2e3f925fc5800faa3a802ab8fb2ab7a49ade5a7a9f718776cdb0d738ea35d41d7e4a37a9c897f2df2dd7a9004d7f4c9f8146e8d307f85c7c5e5c7d23f5fde75

Download Submit
memory/688-259-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/688-245-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1264-244-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1264-247-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1264-164-0x0000000000470000-0x0000000000471000-memory.dmp

Filesize
4KB

Download
memory/1264-175-0x0000000000490000-0x0000000000491000-memory.dmp

Filesize
4KB

Download
memory/1264-212-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1264-154-0x00000000003F0000-0x00000000003F1000-memory.dmp

Filesize
4KB

Download
memory/1264-148-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2100-151-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2100-209-0x00000000032C0000-0x0000000003313000-memory.dmp

Filesize
332KB

Download
memory/2100-99-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2100-101-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2100-97-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2100-95-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2100-93-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2100-91-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2100-105-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2100-107-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2100-255-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2100-103-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2100-146-0x00000000032C0000-0x0000000003313000-memory.dmp

Filesize
332KB

Download
memory/2192-29-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/2192-15-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/2192-41-0x00000000002D0000-0x00000000002D1000-memory.dmp

Filesize
4KB

Download
memory/2192-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2192-90-0x0000000001F50000-0x0000000001FA3000-memory.dmp

Filesize
332KB

Download
memory/2192-79-0x00000000003D0000-0x00000000003D2000-memory.dmp

Filesize
8KB

Download
memory/2192-71-0x00000000003B0000-0x00000000003B1000-memory.dmp

Filesize
4KB

Download
memory/2192-26-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2192-61-0x0000000000310000-0x0000000000311000-memory.dmp

Filesize
4KB

Download
memory/2192-19-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/2192-89-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2192-104-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2192-3-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2192-5-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/3040-256-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads