modiloader | 6ac38ab3bca2d56f3ba92749c85502fba7360006041ab53fc303646322f8e32a

Analysis

max time kernel
120s
max time network
116s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20-01-2025 22:42

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General

Target

6ac38ab3bca2d56f3ba92749c85502fba7360006041ab53fc303646322f8e32a.exe
Size

90KB
MD5

2052dcee50d702f1f45b35d0da772193
SHA1

ad35d154b3f0a21d5f6f768bd3d6e235c5bfe08a
SHA256

6ac38ab3bca2d56f3ba92749c85502fba7360006041ab53fc303646322f8e32a
SHA512

fc44e385b08083e1c3086c44abe8bc80f270774b40e2a0603720a816e4cf089668ffb5db628d6b427b77939bab4448edc5ae9d6701e6bdcbc66b90559c6480b3
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDD:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3l

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/3932-56-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3932-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3932-57-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3932-62-0x0000000000400000-0x0000000000414000-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	6ac38ab3bca2d56f3ba92749c85502fba7360006041ab53fc303646322f8e32a.exe

Executes dropped EXE 3 IoCs

pid	Process
404	csrsll.exe
2896	csrsll.exe
3932	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 552 set thread context of 1860	552	6ac38ab3bca2d56f3ba92749c85502fba7360006041ab53fc303646322f8e32a.exe	89
PID 404 set thread context of 2896	404	csrsll.exe	103
PID 404 set thread context of 3932	404	csrsll.exe	104

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/552-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1860-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1860-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1860-12-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/552-11-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/552-14-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/files/0x000b000000023b80-29.dat	upx
behavioral2/memory/1860-39-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/404-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/404-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3932-45-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3932-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3932-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/404-55-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1860-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3932-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3932-57-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2896-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3932-62-0x0000000000400000-0x0000000000414000-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	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	6ac38ab3bca2d56f3ba92749c85502fba7360006041ab53fc303646322f8e32a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6ac38ab3bca2d56f3ba92749c85502fba7360006041ab53fc303646322f8e32a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2896	csrsll.exe
Token: SeDebugPrivilege	2896	csrsll.exe
Token: SeDebugPrivilege	2896	csrsll.exe
Token: SeDebugPrivilege	2896	csrsll.exe
Token: SeDebugPrivilege	2896	csrsll.exe
Token: SeDebugPrivilege	2896	csrsll.exe
Token: SeDebugPrivilege	2896	csrsll.exe
Token: SeDebugPrivilege	2896	csrsll.exe
Token: SeDebugPrivilege	2896	csrsll.exe
Token: SeDebugPrivilege	2896	csrsll.exe
Token: SeDebugPrivilege	2896	csrsll.exe
Token: SeDebugPrivilege	2896	csrsll.exe
Token: SeDebugPrivilege	2896	csrsll.exe
Token: SeDebugPrivilege	2896	csrsll.exe
Token: SeDebugPrivilege	2896	csrsll.exe
Token: SeDebugPrivilege	2896	csrsll.exe
Token: SeDebugPrivilege	2896	csrsll.exe
Token: SeDebugPrivilege	2896	csrsll.exe
Token: SeDebugPrivilege	2896	csrsll.exe
Token: SeDebugPrivilege	2896	csrsll.exe
Token: SeDebugPrivilege	2896	csrsll.exe
Token: SeDebugPrivilege	2896	csrsll.exe
Token: SeDebugPrivilege	2896	csrsll.exe
Token: SeDebugPrivilege	2896	csrsll.exe
Token: SeDebugPrivilege	2896	csrsll.exe
Token: SeDebugPrivilege	2896	csrsll.exe
Token: SeDebugPrivilege	2896	csrsll.exe
Token: SeDebugPrivilege	2896	csrsll.exe
Token: SeDebugPrivilege	2896	csrsll.exe
Token: SeDebugPrivilege	2896	csrsll.exe
Token: SeDebugPrivilege	2896	csrsll.exe
Token: SeDebugPrivilege	2896	csrsll.exe
Token: SeDebugPrivilege	2896	csrsll.exe
Token: SeDebugPrivilege	2896	csrsll.exe
Token: SeDebugPrivilege	2896	csrsll.exe
Token: SeDebugPrivilege	2896	csrsll.exe
Token: SeDebugPrivilege	2896	csrsll.exe
Token: SeDebugPrivilege	2896	csrsll.exe
Token: SeDebugPrivilege	2896	csrsll.exe
Token: SeDebugPrivilege	2896	csrsll.exe
Token: SeDebugPrivilege	2896	csrsll.exe
Token: SeDebugPrivilege	2896	csrsll.exe
Token: SeDebugPrivilege	2896	csrsll.exe
Token: SeDebugPrivilege	2896	csrsll.exe
Token: SeDebugPrivilege	2896	csrsll.exe
Token: SeDebugPrivilege	2896	csrsll.exe
Token: SeDebugPrivilege	2896	csrsll.exe
Token: SeDebugPrivilege	2896	csrsll.exe
Token: SeDebugPrivilege	2896	csrsll.exe
Token: SeDebugPrivilege	2896	csrsll.exe
Token: SeDebugPrivilege	2896	csrsll.exe
Token: SeDebugPrivilege	2896	csrsll.exe
Token: SeDebugPrivilege	2896	csrsll.exe
Token: SeDebugPrivilege	2896	csrsll.exe
Token: SeDebugPrivilege	2896	csrsll.exe
Token: SeDebugPrivilege	2896	csrsll.exe
Token: SeDebugPrivilege	2896	csrsll.exe
Token: SeDebugPrivilege	2896	csrsll.exe
Token: SeDebugPrivilege	2896	csrsll.exe
Token: SeDebugPrivilege	2896	csrsll.exe
Token: SeDebugPrivilege	2896	csrsll.exe
Token: SeDebugPrivilege	2896	csrsll.exe
Token: SeDebugPrivilege	2896	csrsll.exe
Token: SeDebugPrivilege	2896	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
552	6ac38ab3bca2d56f3ba92749c85502fba7360006041ab53fc303646322f8e32a.exe
1860	6ac38ab3bca2d56f3ba92749c85502fba7360006041ab53fc303646322f8e32a.exe
404	csrsll.exe
2896	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 552 wrote to memory of 1860	552	6ac38ab3bca2d56f3ba92749c85502fba7360006041ab53fc303646322f8e32a.exe	89
PID 552 wrote to memory of 1860	552	6ac38ab3bca2d56f3ba92749c85502fba7360006041ab53fc303646322f8e32a.exe	89
PID 552 wrote to memory of 1860	552	6ac38ab3bca2d56f3ba92749c85502fba7360006041ab53fc303646322f8e32a.exe	89
PID 552 wrote to memory of 1860	552	6ac38ab3bca2d56f3ba92749c85502fba7360006041ab53fc303646322f8e32a.exe	89
PID 552 wrote to memory of 1860	552	6ac38ab3bca2d56f3ba92749c85502fba7360006041ab53fc303646322f8e32a.exe	89
PID 552 wrote to memory of 1860	552	6ac38ab3bca2d56f3ba92749c85502fba7360006041ab53fc303646322f8e32a.exe	89
PID 552 wrote to memory of 1860	552	6ac38ab3bca2d56f3ba92749c85502fba7360006041ab53fc303646322f8e32a.exe	89
PID 552 wrote to memory of 1860	552	6ac38ab3bca2d56f3ba92749c85502fba7360006041ab53fc303646322f8e32a.exe	89
PID 1860 wrote to memory of 2504	1860	6ac38ab3bca2d56f3ba92749c85502fba7360006041ab53fc303646322f8e32a.exe	92
PID 1860 wrote to memory of 2504	1860	6ac38ab3bca2d56f3ba92749c85502fba7360006041ab53fc303646322f8e32a.exe	92
PID 1860 wrote to memory of 2504	1860	6ac38ab3bca2d56f3ba92749c85502fba7360006041ab53fc303646322f8e32a.exe	92
PID 2504 wrote to memory of 384	2504	cmd.exe	96
PID 2504 wrote to memory of 384	2504	cmd.exe	96
PID 2504 wrote to memory of 384	2504	cmd.exe	96
PID 1860 wrote to memory of 404	1860	6ac38ab3bca2d56f3ba92749c85502fba7360006041ab53fc303646322f8e32a.exe	97
PID 1860 wrote to memory of 404	1860	6ac38ab3bca2d56f3ba92749c85502fba7360006041ab53fc303646322f8e32a.exe	97
PID 1860 wrote to memory of 404	1860	6ac38ab3bca2d56f3ba92749c85502fba7360006041ab53fc303646322f8e32a.exe	97
PID 404 wrote to memory of 2896	404	csrsll.exe	103
PID 404 wrote to memory of 2896	404	csrsll.exe	103
PID 404 wrote to memory of 2896	404	csrsll.exe	103
PID 404 wrote to memory of 2896	404	csrsll.exe	103
PID 404 wrote to memory of 2896	404	csrsll.exe	103
PID 404 wrote to memory of 2896	404	csrsll.exe	103
PID 404 wrote to memory of 2896	404	csrsll.exe	103
PID 404 wrote to memory of 2896	404	csrsll.exe	103
PID 404 wrote to memory of 3932	404	csrsll.exe	104
PID 404 wrote to memory of 3932	404	csrsll.exe	104
PID 404 wrote to memory of 3932	404	csrsll.exe	104
PID 404 wrote to memory of 3932	404	csrsll.exe	104
PID 404 wrote to memory of 3932	404	csrsll.exe	104
PID 404 wrote to memory of 3932	404	csrsll.exe	104
PID 404 wrote to memory of 3932	404	csrsll.exe	104
PID 404 wrote to memory of 3932	404	csrsll.exe	104

C:\Users\Admin\AppData\Local\Temp\6ac38ab3bca2d56f3ba92749c85502fba7360006041ab53fc303646322f8e32a.exe
"C:\Users\Admin\AppData\Local\Temp\6ac38ab3bca2d56f3ba92749c85502fba7360006041ab53fc303646322f8e32a.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:552
- C:\Users\Admin\AppData\Local\Temp\6ac38ab3bca2d56f3ba92749c85502fba7360006041ab53fc303646322f8e32a.exe
  "C:\Users\Admin\AppData\Local\Temp\6ac38ab3bca2d56f3ba92749c85502fba7360006041ab53fc303646322f8e32a.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1860
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\EVMAL.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2504
  - - 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:384
- - 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:404
  - - 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:2896
  - - 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:3932

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\EVMAL.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
dacbeec5637b205c2471e88e2a9b30ba

SHA1
b69931f54418f2ed8b88c0faaaffc723648003c7

SHA256
27b11397d1f1f157811804b2299c026de3aeb6aad8b2d0aec1647845b2072560

SHA512
11469ed7e0a803103cf4b0f89657d57ce5c80e66e21e74e9f984e11993081e2cdfe298261f0b2b8fdde85a29cb0438797345babdccf4b1d1201ed4d070162ce3

Download Submit
memory/404-55-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/404-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/404-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/552-11-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/552-5-0x0000000002A60000-0x0000000002A62000-memory.dmp

Filesize
8KB

Download
memory/552-4-0x0000000002A50000-0x0000000002A52000-memory.dmp

Filesize
8KB

Download
memory/552-3-0x0000000002A30000-0x0000000002A32000-memory.dmp

Filesize
8KB

Download
memory/552-14-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/552-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/552-6-0x0000000002A40000-0x0000000002A42000-memory.dmp

Filesize
8KB

Download
memory/1860-58-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/1860-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1860-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1860-39-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1860-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1860-12-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2896-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3932-45-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3932-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3932-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3932-57-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3932-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3932-62-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads