modiloader | 2c375b98aa57a35c65dd9ec570ad71447b26a239d134e1a4ca0ddeb8b4d38fab

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
29/11/2024, 21:03

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General

Target

2c375b98aa57a35c65dd9ec570ad71447b26a239d134e1a4ca0ddeb8b4d38fab.exe
Size

90KB
MD5

02607621ee93390f04fc8520ccb75c3e
SHA1

bcd1572bd87917001dbd23c1a7de673e6cf265d2
SHA256

2c375b98aa57a35c65dd9ec570ad71447b26a239d134e1a4ca0ddeb8b4d38fab
SHA512

0106f97e805bc24b31f7173754c956136b98194af21d7de7c93d4406ec5b61429329b67a2a60cac4b53f1eb8bb0cd3fb5ab044ed4a5ed4e78f59509c967750a1
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 family
modiloader

ModiLoader Second Stage 4 IoCs

resource	yara_rule
behavioral2/memory/2944-56-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2944-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2944-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2944-62-0x0000000000400000-0x0000000000414000-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	2c375b98aa57a35c65dd9ec570ad71447b26a239d134e1a4ca0ddeb8b4d38fab.exe

Executes dropped EXE 3 IoCs

pid	Process
3096	csrsll.exe
1012	csrsll.exe
2944	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 384 set thread context of 8	384	2c375b98aa57a35c65dd9ec570ad71447b26a239d134e1a4ca0ddeb8b4d38fab.exe	83
PID 3096 set thread context of 1012	3096	csrsll.exe	97
PID 3096 set thread context of 2944	3096	csrsll.exe	98

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral2/memory/384-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/384-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/8-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/8-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/384-11-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/8-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0008000000023c86-29.dat	upx
behavioral2/memory/3096-36-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/8-40-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3096-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3096-42-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2944-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2944-46-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2944-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2944-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2944-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3096-58-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/8-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1012-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2944-62-0x0000000000400000-0x0000000000414000-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	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2c375b98aa57a35c65dd9ec570ad71447b26a239d134e1a4ca0ddeb8b4d38fab.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2c375b98aa57a35c65dd9ec570ad71447b26a239d134e1a4ca0ddeb8b4d38fab.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

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	1012	csrsll.exe
Token: SeDebugPrivilege	1012	csrsll.exe
Token: SeDebugPrivilege	1012	csrsll.exe
Token: SeDebugPrivilege	1012	csrsll.exe
Token: SeDebugPrivilege	1012	csrsll.exe
Token: SeDebugPrivilege	1012	csrsll.exe
Token: SeDebugPrivilege	1012	csrsll.exe
Token: SeDebugPrivilege	1012	csrsll.exe
Token: SeDebugPrivilege	1012	csrsll.exe
Token: SeDebugPrivilege	1012	csrsll.exe
Token: SeDebugPrivilege	1012	csrsll.exe
Token: SeDebugPrivilege	1012	csrsll.exe
Token: SeDebugPrivilege	1012	csrsll.exe
Token: SeDebugPrivilege	1012	csrsll.exe
Token: SeDebugPrivilege	1012	csrsll.exe
Token: SeDebugPrivilege	1012	csrsll.exe
Token: SeDebugPrivilege	1012	csrsll.exe
Token: SeDebugPrivilege	1012	csrsll.exe
Token: SeDebugPrivilege	1012	csrsll.exe
Token: SeDebugPrivilege	1012	csrsll.exe
Token: SeDebugPrivilege	1012	csrsll.exe
Token: SeDebugPrivilege	1012	csrsll.exe
Token: SeDebugPrivilege	1012	csrsll.exe
Token: SeDebugPrivilege	1012	csrsll.exe
Token: SeDebugPrivilege	1012	csrsll.exe
Token: SeDebugPrivilege	1012	csrsll.exe
Token: SeDebugPrivilege	1012	csrsll.exe
Token: SeDebugPrivilege	1012	csrsll.exe
Token: SeDebugPrivilege	1012	csrsll.exe
Token: SeDebugPrivilege	1012	csrsll.exe
Token: SeDebugPrivilege	1012	csrsll.exe
Token: SeDebugPrivilege	1012	csrsll.exe
Token: SeDebugPrivilege	1012	csrsll.exe
Token: SeDebugPrivilege	1012	csrsll.exe
Token: SeDebugPrivilege	1012	csrsll.exe
Token: SeDebugPrivilege	1012	csrsll.exe
Token: SeDebugPrivilege	1012	csrsll.exe
Token: SeDebugPrivilege	1012	csrsll.exe
Token: SeDebugPrivilege	1012	csrsll.exe
Token: SeDebugPrivilege	1012	csrsll.exe
Token: SeDebugPrivilege	1012	csrsll.exe
Token: SeDebugPrivilege	1012	csrsll.exe
Token: SeDebugPrivilege	1012	csrsll.exe
Token: SeDebugPrivilege	1012	csrsll.exe
Token: SeDebugPrivilege	1012	csrsll.exe
Token: SeDebugPrivilege	1012	csrsll.exe
Token: SeDebugPrivilege	1012	csrsll.exe
Token: SeDebugPrivilege	1012	csrsll.exe
Token: SeDebugPrivilege	1012	csrsll.exe
Token: SeDebugPrivilege	1012	csrsll.exe
Token: SeDebugPrivilege	1012	csrsll.exe
Token: SeDebugPrivilege	1012	csrsll.exe
Token: SeDebugPrivilege	1012	csrsll.exe
Token: SeDebugPrivilege	1012	csrsll.exe
Token: SeDebugPrivilege	1012	csrsll.exe
Token: SeDebugPrivilege	1012	csrsll.exe
Token: SeDebugPrivilege	1012	csrsll.exe
Token: SeDebugPrivilege	1012	csrsll.exe
Token: SeDebugPrivilege	1012	csrsll.exe
Token: SeDebugPrivilege	1012	csrsll.exe
Token: SeDebugPrivilege	1012	csrsll.exe
Token: SeDebugPrivilege	1012	csrsll.exe
Token: SeDebugPrivilege	1012	csrsll.exe
Token: SeDebugPrivilege	1012	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
384	2c375b98aa57a35c65dd9ec570ad71447b26a239d134e1a4ca0ddeb8b4d38fab.exe
8	2c375b98aa57a35c65dd9ec570ad71447b26a239d134e1a4ca0ddeb8b4d38fab.exe
3096	csrsll.exe
1012	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 384 wrote to memory of 8	384	2c375b98aa57a35c65dd9ec570ad71447b26a239d134e1a4ca0ddeb8b4d38fab.exe	83
PID 384 wrote to memory of 8	384	2c375b98aa57a35c65dd9ec570ad71447b26a239d134e1a4ca0ddeb8b4d38fab.exe	83
PID 384 wrote to memory of 8	384	2c375b98aa57a35c65dd9ec570ad71447b26a239d134e1a4ca0ddeb8b4d38fab.exe	83
PID 384 wrote to memory of 8	384	2c375b98aa57a35c65dd9ec570ad71447b26a239d134e1a4ca0ddeb8b4d38fab.exe	83
PID 384 wrote to memory of 8	384	2c375b98aa57a35c65dd9ec570ad71447b26a239d134e1a4ca0ddeb8b4d38fab.exe	83
PID 384 wrote to memory of 8	384	2c375b98aa57a35c65dd9ec570ad71447b26a239d134e1a4ca0ddeb8b4d38fab.exe	83
PID 384 wrote to memory of 8	384	2c375b98aa57a35c65dd9ec570ad71447b26a239d134e1a4ca0ddeb8b4d38fab.exe	83
PID 384 wrote to memory of 8	384	2c375b98aa57a35c65dd9ec570ad71447b26a239d134e1a4ca0ddeb8b4d38fab.exe	83
PID 8 wrote to memory of 548	8	2c375b98aa57a35c65dd9ec570ad71447b26a239d134e1a4ca0ddeb8b4d38fab.exe	84
PID 8 wrote to memory of 548	8	2c375b98aa57a35c65dd9ec570ad71447b26a239d134e1a4ca0ddeb8b4d38fab.exe	84
PID 8 wrote to memory of 548	8	2c375b98aa57a35c65dd9ec570ad71447b26a239d134e1a4ca0ddeb8b4d38fab.exe	84
PID 548 wrote to memory of 4084	548	cmd.exe	88
PID 548 wrote to memory of 4084	548	cmd.exe	88
PID 548 wrote to memory of 4084	548	cmd.exe	88
PID 8 wrote to memory of 3096	8	2c375b98aa57a35c65dd9ec570ad71447b26a239d134e1a4ca0ddeb8b4d38fab.exe	89
PID 8 wrote to memory of 3096	8	2c375b98aa57a35c65dd9ec570ad71447b26a239d134e1a4ca0ddeb8b4d38fab.exe	89
PID 8 wrote to memory of 3096	8	2c375b98aa57a35c65dd9ec570ad71447b26a239d134e1a4ca0ddeb8b4d38fab.exe	89
PID 3096 wrote to memory of 1012	3096	csrsll.exe	97
PID 3096 wrote to memory of 1012	3096	csrsll.exe	97
PID 3096 wrote to memory of 1012	3096	csrsll.exe	97
PID 3096 wrote to memory of 1012	3096	csrsll.exe	97
PID 3096 wrote to memory of 1012	3096	csrsll.exe	97
PID 3096 wrote to memory of 1012	3096	csrsll.exe	97
PID 3096 wrote to memory of 1012	3096	csrsll.exe	97
PID 3096 wrote to memory of 1012	3096	csrsll.exe	97
PID 3096 wrote to memory of 2944	3096	csrsll.exe	98
PID 3096 wrote to memory of 2944	3096	csrsll.exe	98
PID 3096 wrote to memory of 2944	3096	csrsll.exe	98
PID 3096 wrote to memory of 2944	3096	csrsll.exe	98
PID 3096 wrote to memory of 2944	3096	csrsll.exe	98
PID 3096 wrote to memory of 2944	3096	csrsll.exe	98
PID 3096 wrote to memory of 2944	3096	csrsll.exe	98
PID 3096 wrote to memory of 2944	3096	csrsll.exe	98

C:\Users\Admin\AppData\Local\Temp\2c375b98aa57a35c65dd9ec570ad71447b26a239d134e1a4ca0ddeb8b4d38fab.exe
"C:\Users\Admin\AppData\Local\Temp\2c375b98aa57a35c65dd9ec570ad71447b26a239d134e1a4ca0ddeb8b4d38fab.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:384
- C:\Users\Admin\AppData\Local\Temp\2c375b98aa57a35c65dd9ec570ad71447b26a239d134e1a4ca0ddeb8b4d38fab.exe
  "C:\Users\Admin\AppData\Local\Temp\2c375b98aa57a35c65dd9ec570ad71447b26a239d134e1a4ca0ddeb8b4d38fab.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:8
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\SOJSD.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:548
  - - 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:4084
- - 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:3096
  - - 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:1012
  - - 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:2944

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\SOJSD.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
d67d749d741a5e561ace0bf7069cd06b

SHA1
5e102308704f27bdb454f2f1780f30075db6b211

SHA256
f846db15c1e34ab90c2088bb75d550327f5056de059b60c00b9195c46dbe470f

SHA512
ffa85988bee4c5ebd3c226fb90ad5862585697112573a8202e3e77839e2cbf1ecf386bfa76354f604203e1d83774b24a48bfce46677dcd73ae98b5bcff68bfbb

Download Submit
memory/8-40-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/8-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/8-59-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/8-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/8-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/8-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/384-3-0x0000000002300000-0x0000000002302000-memory.dmp

Filesize
8KB

Download
memory/384-11-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/384-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/384-4-0x0000000002310000-0x0000000002312000-memory.dmp

Filesize
8KB

Download
memory/384-6-0x0000000002330000-0x0000000002332000-memory.dmp

Filesize
8KB

Download
memory/384-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1012-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2944-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2944-46-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2944-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2944-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2944-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2944-62-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3096-36-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3096-58-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3096-42-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3096-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads