modiloader | 93f0dcad3d89f7da28bd2b6f6fe2ec5306022287bfceecb0e4d450cbdd0ebb74

Analysis

max time kernel
149s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19-09-2024 12:04

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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 4 IoCs

resource	yara_rule
behavioral2/memory/2124-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2124-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2124-56-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2124-61-0x0000000000400000-0x0000000000414000-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-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation	93f0dcad3d89f7da28bd2b6f6fe2ec5306022287bfceecb0e4d450cbdd0ebb74.exe

Executes dropped EXE 3 IoCs

pid	Process
3200	csrsll.exe
3300	csrsll.exe
2124	csrsll.exe

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3224-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3224-6-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4420-8-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4420-10-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3224-11-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4420-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x00080000000233e3-29.dat	upx
behavioral2/memory/3200-36-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4420-40-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3200-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3200-42-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2124-49-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2124-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2124-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2124-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2124-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3200-57-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4420-59-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3300-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2124-61-0x0000000000400000-0x0000000000414000-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-1-5-21-2412658365-3084825385-3340777666-1000\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 3224 set thread context of 4420	3224	93f0dcad3d89f7da28bd2b6f6fe2ec5306022287bfceecb0e4d450cbdd0ebb74.exe	87
PID 3200 set thread context of 3300	3200	csrsll.exe	95
PID 3200 set thread context of 2124	3200	csrsll.exe	96

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	3300	csrsll.exe
Token: SeDebugPrivilege	3300	csrsll.exe
Token: SeDebugPrivilege	3300	csrsll.exe
Token: SeDebugPrivilege	3300	csrsll.exe
Token: SeDebugPrivilege	3300	csrsll.exe
Token: SeDebugPrivilege	3300	csrsll.exe
Token: SeDebugPrivilege	3300	csrsll.exe
Token: SeDebugPrivilege	3300	csrsll.exe
Token: SeDebugPrivilege	3300	csrsll.exe
Token: SeDebugPrivilege	3300	csrsll.exe
Token: SeDebugPrivilege	3300	csrsll.exe
Token: SeDebugPrivilege	3300	csrsll.exe
Token: SeDebugPrivilege	3300	csrsll.exe
Token: SeDebugPrivilege	3300	csrsll.exe
Token: SeDebugPrivilege	3300	csrsll.exe
Token: SeDebugPrivilege	3300	csrsll.exe
Token: SeDebugPrivilege	3300	csrsll.exe
Token: SeDebugPrivilege	3300	csrsll.exe
Token: SeDebugPrivilege	3300	csrsll.exe
Token: SeDebugPrivilege	3300	csrsll.exe
Token: SeDebugPrivilege	3300	csrsll.exe
Token: SeDebugPrivilege	3300	csrsll.exe
Token: SeDebugPrivilege	3300	csrsll.exe
Token: SeDebugPrivilege	3300	csrsll.exe
Token: SeDebugPrivilege	3300	csrsll.exe
Token: SeDebugPrivilege	3300	csrsll.exe
Token: SeDebugPrivilege	3300	csrsll.exe
Token: SeDebugPrivilege	3300	csrsll.exe
Token: SeDebugPrivilege	3300	csrsll.exe
Token: SeDebugPrivilege	3300	csrsll.exe
Token: SeDebugPrivilege	3300	csrsll.exe
Token: SeDebugPrivilege	3300	csrsll.exe
Token: SeDebugPrivilege	3300	csrsll.exe
Token: SeDebugPrivilege	3300	csrsll.exe
Token: SeDebugPrivilege	3300	csrsll.exe
Token: SeDebugPrivilege	3300	csrsll.exe
Token: SeDebugPrivilege	3300	csrsll.exe
Token: SeDebugPrivilege	3300	csrsll.exe
Token: SeDebugPrivilege	3300	csrsll.exe
Token: SeDebugPrivilege	3300	csrsll.exe
Token: SeDebugPrivilege	3300	csrsll.exe
Token: SeDebugPrivilege	3300	csrsll.exe
Token: SeDebugPrivilege	3300	csrsll.exe
Token: SeDebugPrivilege	3300	csrsll.exe
Token: SeDebugPrivilege	3300	csrsll.exe
Token: SeDebugPrivilege	3300	csrsll.exe
Token: SeDebugPrivilege	3300	csrsll.exe
Token: SeDebugPrivilege	3300	csrsll.exe
Token: SeDebugPrivilege	3300	csrsll.exe
Token: SeDebugPrivilege	3300	csrsll.exe
Token: SeDebugPrivilege	3300	csrsll.exe
Token: SeDebugPrivilege	3300	csrsll.exe
Token: SeDebugPrivilege	3300	csrsll.exe
Token: SeDebugPrivilege	3300	csrsll.exe
Token: SeDebugPrivilege	3300	csrsll.exe
Token: SeDebugPrivilege	3300	csrsll.exe
Token: SeDebugPrivilege	3300	csrsll.exe
Token: SeDebugPrivilege	3300	csrsll.exe
Token: SeDebugPrivilege	3300	csrsll.exe
Token: SeDebugPrivilege	3300	csrsll.exe
Token: SeDebugPrivilege	3300	csrsll.exe
Token: SeDebugPrivilege	3300	csrsll.exe
Token: SeDebugPrivilege	3300	csrsll.exe
Token: SeDebugPrivilege	3300	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3224	93f0dcad3d89f7da28bd2b6f6fe2ec5306022287bfceecb0e4d450cbdd0ebb74.exe
4420	93f0dcad3d89f7da28bd2b6f6fe2ec5306022287bfceecb0e4d450cbdd0ebb74.exe
3200	csrsll.exe
3300	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 3224 wrote to memory of 4420	3224	93f0dcad3d89f7da28bd2b6f6fe2ec5306022287bfceecb0e4d450cbdd0ebb74.exe	87
PID 3224 wrote to memory of 4420	3224	93f0dcad3d89f7da28bd2b6f6fe2ec5306022287bfceecb0e4d450cbdd0ebb74.exe	87
PID 3224 wrote to memory of 4420	3224	93f0dcad3d89f7da28bd2b6f6fe2ec5306022287bfceecb0e4d450cbdd0ebb74.exe	87
PID 3224 wrote to memory of 4420	3224	93f0dcad3d89f7da28bd2b6f6fe2ec5306022287bfceecb0e4d450cbdd0ebb74.exe	87
PID 3224 wrote to memory of 4420	3224	93f0dcad3d89f7da28bd2b6f6fe2ec5306022287bfceecb0e4d450cbdd0ebb74.exe	87
PID 3224 wrote to memory of 4420	3224	93f0dcad3d89f7da28bd2b6f6fe2ec5306022287bfceecb0e4d450cbdd0ebb74.exe	87
PID 3224 wrote to memory of 4420	3224	93f0dcad3d89f7da28bd2b6f6fe2ec5306022287bfceecb0e4d450cbdd0ebb74.exe	87
PID 3224 wrote to memory of 4420	3224	93f0dcad3d89f7da28bd2b6f6fe2ec5306022287bfceecb0e4d450cbdd0ebb74.exe	87
PID 4420 wrote to memory of 1608	4420	93f0dcad3d89f7da28bd2b6f6fe2ec5306022287bfceecb0e4d450cbdd0ebb74.exe	88
PID 4420 wrote to memory of 1608	4420	93f0dcad3d89f7da28bd2b6f6fe2ec5306022287bfceecb0e4d450cbdd0ebb74.exe	88
PID 4420 wrote to memory of 1608	4420	93f0dcad3d89f7da28bd2b6f6fe2ec5306022287bfceecb0e4d450cbdd0ebb74.exe	88
PID 1608 wrote to memory of 4188	1608	cmd.exe	91
PID 1608 wrote to memory of 4188	1608	cmd.exe	91
PID 1608 wrote to memory of 4188	1608	cmd.exe	91
PID 4420 wrote to memory of 3200	4420	93f0dcad3d89f7da28bd2b6f6fe2ec5306022287bfceecb0e4d450cbdd0ebb74.exe	92
PID 4420 wrote to memory of 3200	4420	93f0dcad3d89f7da28bd2b6f6fe2ec5306022287bfceecb0e4d450cbdd0ebb74.exe	92
PID 4420 wrote to memory of 3200	4420	93f0dcad3d89f7da28bd2b6f6fe2ec5306022287bfceecb0e4d450cbdd0ebb74.exe	92
PID 3200 wrote to memory of 3300	3200	csrsll.exe	95
PID 3200 wrote to memory of 3300	3200	csrsll.exe	95
PID 3200 wrote to memory of 3300	3200	csrsll.exe	95
PID 3200 wrote to memory of 3300	3200	csrsll.exe	95
PID 3200 wrote to memory of 3300	3200	csrsll.exe	95
PID 3200 wrote to memory of 3300	3200	csrsll.exe	95
PID 3200 wrote to memory of 3300	3200	csrsll.exe	95
PID 3200 wrote to memory of 3300	3200	csrsll.exe	95
PID 3200 wrote to memory of 2124	3200	csrsll.exe	96
PID 3200 wrote to memory of 2124	3200	csrsll.exe	96
PID 3200 wrote to memory of 2124	3200	csrsll.exe	96
PID 3200 wrote to memory of 2124	3200	csrsll.exe	96
PID 3200 wrote to memory of 2124	3200	csrsll.exe	96
PID 3200 wrote to memory of 2124	3200	csrsll.exe	96
PID 3200 wrote to memory of 2124	3200	csrsll.exe	96
PID 3200 wrote to memory of 2124	3200	csrsll.exe	96

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:3224
- C:\Users\Admin\AppData\Local\Temp\93f0dcad3d89f7da28bd2b6f6fe2ec5306022287bfceecb0e4d450cbdd0ebb74.exe
  "C:\Users\Admin\AppData\Local\Temp\93f0dcad3d89f7da28bd2b6f6fe2ec5306022287bfceecb0e4d450cbdd0ebb74.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4420
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\ANJHY.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:4188
- - 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:3200
  - - 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:3300
  - - 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:2124

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\ANJHY.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
d57c36949fad466433d6516f0c0d8a60

SHA1
7f520e72a30daafae177ef49a877c963245a616f

SHA256
e58fdd25736a22626aa212fce024999617ad08b166360eef3a9436a5f3faf783

SHA512
ddbe907cd66a99f619c03455b0b3217c815c0b98eb4f91a4f47ce6d2d70f84d20e8d5b3d03741204679a0be35eced1a78f43646a0a549b3faf08e66183d9d14c

Download Submit
memory/2124-61-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2124-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2124-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2124-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2124-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2124-49-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3200-36-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3200-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3200-57-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3200-42-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3224-6-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3224-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3224-7-0x0000000002A80000-0x0000000002A82000-memory.dmp

Filesize
8KB

Download
memory/3224-4-0x0000000002310000-0x0000000002312000-memory.dmp

Filesize
8KB

Download
memory/3224-5-0x0000000002A70000-0x0000000002A72000-memory.dmp

Filesize
8KB

Download
memory/3224-11-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3224-3-0x0000000002300000-0x0000000002302000-memory.dmp

Filesize
8KB

Download
memory/3300-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4420-40-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4420-10-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4420-8-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4420-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4420-59-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads