modiloader | 1d87060ade221e39cb8bf453cd8260ca51177871cd3a4877e0d0b5a32edf5a56

Analysis

max time kernel
119s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
05-12-2024 06:27

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General

Target

1d87060ade221e39cb8bf453cd8260ca51177871cd3a4877e0d0b5a32edf5a56N.exe
Size

90KB
MD5

a661b5cf789d66a437e9aa395ddf18a0
SHA1

cdf8282bb48710514a8c455215eaca4b3f29319b
SHA256

1d87060ade221e39cb8bf453cd8260ca51177871cd3a4877e0d0b5a32edf5a56
SHA512

37962493bebcbde96f3963325f3c0affdca7b5730b966e60a689703bd10137089c89677fa363f315921279b0080aba6503dc3099c1c90462925f61db17b85279
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDh:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3H

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 4 IoCs

resource	yara_rule
behavioral2/memory/1980-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1980-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1980-51-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1980-61-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	1d87060ade221e39cb8bf453cd8260ca51177871cd3a4877e0d0b5a32edf5a56N.exe

Executes dropped EXE 3 IoCs

pid	Process
768	csrsll.exe
880	csrsll.exe
1980	csrsll.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-1-5-21-2437139445-1151884604-3026847218-1000\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 2124 set thread context of 1228	2124	1d87060ade221e39cb8bf453cd8260ca51177871cd3a4877e0d0b5a32edf5a56N.exe	84
PID 768 set thread context of 880	768	csrsll.exe	101
PID 768 set thread context of 1980	768	csrsll.exe	102

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2124-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2124-4-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1228-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1228-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1228-11-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2124-13-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/files/0x0008000000023ca3-28.dat	upx
behavioral2/memory/1228-38-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/768-39-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/768-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1980-44-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1980-50-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1980-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1980-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/768-56-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1980-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1228-59-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/880-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1980-61-0x0000000000400000-0x0000000000414000-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	1d87060ade221e39cb8bf453cd8260ca51177871cd3a4877e0d0b5a32edf5a56N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1d87060ade221e39cb8bf453cd8260ca51177871cd3a4877e0d0b5a32edf5a56N.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe
Token: SeDebugPrivilege	880	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2124	1d87060ade221e39cb8bf453cd8260ca51177871cd3a4877e0d0b5a32edf5a56N.exe
1228	1d87060ade221e39cb8bf453cd8260ca51177871cd3a4877e0d0b5a32edf5a56N.exe
768	csrsll.exe
880	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 2124 wrote to memory of 1228	2124	1d87060ade221e39cb8bf453cd8260ca51177871cd3a4877e0d0b5a32edf5a56N.exe	84
PID 2124 wrote to memory of 1228	2124	1d87060ade221e39cb8bf453cd8260ca51177871cd3a4877e0d0b5a32edf5a56N.exe	84
PID 2124 wrote to memory of 1228	2124	1d87060ade221e39cb8bf453cd8260ca51177871cd3a4877e0d0b5a32edf5a56N.exe	84
PID 2124 wrote to memory of 1228	2124	1d87060ade221e39cb8bf453cd8260ca51177871cd3a4877e0d0b5a32edf5a56N.exe	84
PID 2124 wrote to memory of 1228	2124	1d87060ade221e39cb8bf453cd8260ca51177871cd3a4877e0d0b5a32edf5a56N.exe	84
PID 2124 wrote to memory of 1228	2124	1d87060ade221e39cb8bf453cd8260ca51177871cd3a4877e0d0b5a32edf5a56N.exe	84
PID 2124 wrote to memory of 1228	2124	1d87060ade221e39cb8bf453cd8260ca51177871cd3a4877e0d0b5a32edf5a56N.exe	84
PID 2124 wrote to memory of 1228	2124	1d87060ade221e39cb8bf453cd8260ca51177871cd3a4877e0d0b5a32edf5a56N.exe	84
PID 1228 wrote to memory of 2224	1228	1d87060ade221e39cb8bf453cd8260ca51177871cd3a4877e0d0b5a32edf5a56N.exe	89
PID 1228 wrote to memory of 2224	1228	1d87060ade221e39cb8bf453cd8260ca51177871cd3a4877e0d0b5a32edf5a56N.exe	89
PID 1228 wrote to memory of 2224	1228	1d87060ade221e39cb8bf453cd8260ca51177871cd3a4877e0d0b5a32edf5a56N.exe	89
PID 2224 wrote to memory of 3960	2224	cmd.exe	93
PID 2224 wrote to memory of 3960	2224	cmd.exe	93
PID 2224 wrote to memory of 3960	2224	cmd.exe	93
PID 1228 wrote to memory of 768	1228	1d87060ade221e39cb8bf453cd8260ca51177871cd3a4877e0d0b5a32edf5a56N.exe	94
PID 1228 wrote to memory of 768	1228	1d87060ade221e39cb8bf453cd8260ca51177871cd3a4877e0d0b5a32edf5a56N.exe	94
PID 1228 wrote to memory of 768	1228	1d87060ade221e39cb8bf453cd8260ca51177871cd3a4877e0d0b5a32edf5a56N.exe	94
PID 768 wrote to memory of 880	768	csrsll.exe	101
PID 768 wrote to memory of 880	768	csrsll.exe	101
PID 768 wrote to memory of 880	768	csrsll.exe	101
PID 768 wrote to memory of 880	768	csrsll.exe	101
PID 768 wrote to memory of 880	768	csrsll.exe	101
PID 768 wrote to memory of 880	768	csrsll.exe	101
PID 768 wrote to memory of 880	768	csrsll.exe	101
PID 768 wrote to memory of 880	768	csrsll.exe	101
PID 768 wrote to memory of 1980	768	csrsll.exe	102
PID 768 wrote to memory of 1980	768	csrsll.exe	102
PID 768 wrote to memory of 1980	768	csrsll.exe	102
PID 768 wrote to memory of 1980	768	csrsll.exe	102
PID 768 wrote to memory of 1980	768	csrsll.exe	102
PID 768 wrote to memory of 1980	768	csrsll.exe	102
PID 768 wrote to memory of 1980	768	csrsll.exe	102
PID 768 wrote to memory of 1980	768	csrsll.exe	102

C:\Users\Admin\AppData\Local\Temp\1d87060ade221e39cb8bf453cd8260ca51177871cd3a4877e0d0b5a32edf5a56N.exe
"C:\Users\Admin\AppData\Local\Temp\1d87060ade221e39cb8bf453cd8260ca51177871cd3a4877e0d0b5a32edf5a56N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2124
- C:\Users\Admin\AppData\Local\Temp\1d87060ade221e39cb8bf453cd8260ca51177871cd3a4877e0d0b5a32edf5a56N.exe
  "C:\Users\Admin\AppData\Local\Temp\1d87060ade221e39cb8bf453cd8260ca51177871cd3a4877e0d0b5a32edf5a56N.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1228
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\DQHUQ.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2224
  - - 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:3960
- - 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:768
  - - 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:880
  - - 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:1980

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

Query Registry

T1012

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\DQHUQ.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
a09490b040b6e077d2ec0c036f38b0da

SHA1
a9a525ae6b80673ea511ea7cacf3ed34a48bece5

SHA256
3a6c176ab0c649f85e0a7060f4645a0e89fb3d418cfdad877d27145de2217f35

SHA512
39693035b7ba0888795fb05570310c4d51f25054c3e0e8476aa7d0fb5887f25a4dd3a36c15504a1025723c19a6ecc90ec8e8e4e3eb97d80233ee824ae3abdf10

Download Submit
memory/768-56-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/768-39-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/768-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/880-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1228-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1228-11-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1228-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1228-38-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1228-59-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1228-57-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/1980-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1980-44-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1980-61-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1980-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1980-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1980-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2124-6-0x0000000002C90000-0x0000000002C92000-memory.dmp

Filesize
8KB

Download
memory/2124-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2124-3-0x0000000002B60000-0x0000000002B62000-memory.dmp

Filesize
8KB

Download
memory/2124-4-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2124-5-0x0000000002C80000-0x0000000002C82000-memory.dmp

Filesize
8KB

Download
memory/2124-13-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads