modiloader | cb091ca11ff2dfb3274b1469cf04b4cac0169976dfc0ebb96773e8ba9afb913e

Analysis

max time kernel
118s
max time network
120s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
12/01/2025, 20:11

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General

Target

cb091ca11ff2dfb3274b1469cf04b4cac0169976dfc0ebb96773e8ba9afb913eN.exe
Size

326KB
MD5

af37f384c70c6c25aa664e99c6d5f720
SHA1

0995917956212d7dd84252b16b8f320690a55831
SHA256

cb091ca11ff2dfb3274b1469cf04b4cac0169976dfc0ebb96773e8ba9afb913e
SHA512

d384330587333e669eab83f7199cf991eb225f2d6d0e52b7f5de80066458bbdc37d027b8cc4ee7c89d865a4002dafa61560e56d5bfa863f5f78de886319ccb45
SSDEEP

3072:h0e2A0wxDqUpM5scww4chO+O1BmP5DG0sg3i4XZ9WvDZHwdRX/L+gP38XVJ:h0sxD5cwohO+O1sVG0/pZ6iPC8c

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/2536-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2536-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2536-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2536-61-0x0000000000400000-0x0000000000414000-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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	cb091ca11ff2dfb3274b1469cf04b4cac0169976dfc0ebb96773e8ba9afb913eN.exe

Executes dropped EXE 3 IoCs

pid	Process
2988	csrsll.exe
3000	csrsll.exe
2536	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-1-5-21-3227495264-2217614367-4027411560-1000\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 4756 set thread context of 4768	4756	cb091ca11ff2dfb3274b1469cf04b4cac0169976dfc0ebb96773e8ba9afb913eN.exe	82
PID 2988 set thread context of 3000	2988	csrsll.exe	93
PID 2988 set thread context of 2536	2988	csrsll.exe	94

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4756-0-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/4756-5-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/4768-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4768-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4768-11-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4756-14-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/files/0x0008000000023cad-28.dat	upx
behavioral2/memory/2988-35-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/4768-39-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2988-40-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/2988-41-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/2536-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2536-50-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2536-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2536-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2988-56-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/2536-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4768-58-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3000-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2536-61-0x0000000000400000-0x0000000000414000-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	cb091ca11ff2dfb3274b1469cf04b4cac0169976dfc0ebb96773e8ba9afb913eN.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cb091ca11ff2dfb3274b1469cf04b4cac0169976dfc0ebb96773e8ba9afb913eN.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4756	cb091ca11ff2dfb3274b1469cf04b4cac0169976dfc0ebb96773e8ba9afb913eN.exe
4768	cb091ca11ff2dfb3274b1469cf04b4cac0169976dfc0ebb96773e8ba9afb913eN.exe
2988	csrsll.exe
3000	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 4756 wrote to memory of 4768	4756	cb091ca11ff2dfb3274b1469cf04b4cac0169976dfc0ebb96773e8ba9afb913eN.exe	82
PID 4756 wrote to memory of 4768	4756	cb091ca11ff2dfb3274b1469cf04b4cac0169976dfc0ebb96773e8ba9afb913eN.exe	82
PID 4756 wrote to memory of 4768	4756	cb091ca11ff2dfb3274b1469cf04b4cac0169976dfc0ebb96773e8ba9afb913eN.exe	82
PID 4756 wrote to memory of 4768	4756	cb091ca11ff2dfb3274b1469cf04b4cac0169976dfc0ebb96773e8ba9afb913eN.exe	82
PID 4756 wrote to memory of 4768	4756	cb091ca11ff2dfb3274b1469cf04b4cac0169976dfc0ebb96773e8ba9afb913eN.exe	82
PID 4756 wrote to memory of 4768	4756	cb091ca11ff2dfb3274b1469cf04b4cac0169976dfc0ebb96773e8ba9afb913eN.exe	82
PID 4756 wrote to memory of 4768	4756	cb091ca11ff2dfb3274b1469cf04b4cac0169976dfc0ebb96773e8ba9afb913eN.exe	82
PID 4756 wrote to memory of 4768	4756	cb091ca11ff2dfb3274b1469cf04b4cac0169976dfc0ebb96773e8ba9afb913eN.exe	82
PID 4768 wrote to memory of 4952	4768	cb091ca11ff2dfb3274b1469cf04b4cac0169976dfc0ebb96773e8ba9afb913eN.exe	83
PID 4768 wrote to memory of 4952	4768	cb091ca11ff2dfb3274b1469cf04b4cac0169976dfc0ebb96773e8ba9afb913eN.exe	83
PID 4768 wrote to memory of 4952	4768	cb091ca11ff2dfb3274b1469cf04b4cac0169976dfc0ebb96773e8ba9afb913eN.exe	83
PID 4952 wrote to memory of 464	4952	cmd.exe	86
PID 4952 wrote to memory of 464	4952	cmd.exe	86
PID 4952 wrote to memory of 464	4952	cmd.exe	86
PID 4768 wrote to memory of 2988	4768	cb091ca11ff2dfb3274b1469cf04b4cac0169976dfc0ebb96773e8ba9afb913eN.exe	87
PID 4768 wrote to memory of 2988	4768	cb091ca11ff2dfb3274b1469cf04b4cac0169976dfc0ebb96773e8ba9afb913eN.exe	87
PID 4768 wrote to memory of 2988	4768	cb091ca11ff2dfb3274b1469cf04b4cac0169976dfc0ebb96773e8ba9afb913eN.exe	87
PID 2988 wrote to memory of 3000	2988	csrsll.exe	93
PID 2988 wrote to memory of 3000	2988	csrsll.exe	93
PID 2988 wrote to memory of 3000	2988	csrsll.exe	93
PID 2988 wrote to memory of 3000	2988	csrsll.exe	93
PID 2988 wrote to memory of 3000	2988	csrsll.exe	93
PID 2988 wrote to memory of 3000	2988	csrsll.exe	93
PID 2988 wrote to memory of 3000	2988	csrsll.exe	93
PID 2988 wrote to memory of 3000	2988	csrsll.exe	93
PID 2988 wrote to memory of 2536	2988	csrsll.exe	94
PID 2988 wrote to memory of 2536	2988	csrsll.exe	94
PID 2988 wrote to memory of 2536	2988	csrsll.exe	94
PID 2988 wrote to memory of 2536	2988	csrsll.exe	94
PID 2988 wrote to memory of 2536	2988	csrsll.exe	94
PID 2988 wrote to memory of 2536	2988	csrsll.exe	94
PID 2988 wrote to memory of 2536	2988	csrsll.exe	94
PID 2988 wrote to memory of 2536	2988	csrsll.exe	94

C:\Users\Admin\AppData\Local\Temp\cb091ca11ff2dfb3274b1469cf04b4cac0169976dfc0ebb96773e8ba9afb913eN.exe
"C:\Users\Admin\AppData\Local\Temp\cb091ca11ff2dfb3274b1469cf04b4cac0169976dfc0ebb96773e8ba9afb913eN.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4756
- C:\Users\Admin\AppData\Local\Temp\cb091ca11ff2dfb3274b1469cf04b4cac0169976dfc0ebb96773e8ba9afb913eN.exe
  "C:\Users\Admin\AppData\Local\Temp\cb091ca11ff2dfb3274b1469cf04b4cac0169976dfc0ebb96773e8ba9afb913eN.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4768
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\VIKFD.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4952
  - - 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:464
- - 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:2988
  - - 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:3000
  - - 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:2536

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\VIKFD.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
326KB

MD5
2627e65c2d5f9ef140db97dadda5cb41

SHA1
af25a33d5cb3ef57075ea013f910491d223d90ae

SHA256
9f77092b3fd465422b22eb60511a0027e9ae0dc54513bf97b45d45f77675bb08

SHA512
85989cbd04bc51ad08e12fa61f9759bb76ba473ba89cb2cc919ef802f428ee1abcc4160cbbe2782d5fecb7b2695aca4ab86460a34be805eb857a68716c68e339

Download Submit
memory/2536-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2536-61-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2536-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2536-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2536-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2536-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2988-40-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2988-56-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2988-41-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2988-35-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/3000-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4756-5-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/4756-14-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/4756-0-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/4756-6-0x0000000002420000-0x0000000002422000-memory.dmp

Filesize
8KB

Download
memory/4756-4-0x0000000002400000-0x0000000002402000-memory.dmp

Filesize
8KB

Download
memory/4756-3-0x00000000023F0000-0x00000000023F2000-memory.dmp

Filesize
8KB

Download
memory/4768-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4768-39-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4768-58-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4768-11-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4768-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads