modiloader | a392050264119730a340119a7cf5048574a91e1081f73adfc268912ff13be514

Analysis

max time kernel
148s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
16-12-2024 01:31

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General

Target

a392050264119730a340119a7cf5048574a91e1081f73adfc268912ff13be514.exe
Size

90KB
MD5

e58623ba074a4cb825464ecc9419fb27
SHA1

96aba8516161663220bc5eb6c83086654e002341
SHA256

a392050264119730a340119a7cf5048574a91e1081f73adfc268912ff13be514
SHA512

d8e4b47afcc9e85b1ed1aa43c5cbe70dfe31acec655b664fcbab1ebe5ecbaf80ba5fb8d877b244a4431141a2c1d70ef97ea775eda1256357d111e54ae7b30fbe
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/4760-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4760-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4760-52-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4760-62-0x0000000000400000-0x0000000000414000-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	a392050264119730a340119a7cf5048574a91e1081f73adfc268912ff13be514.exe

Executes dropped EXE 3 IoCs

pid	Process
2436	csrsll.exe
3680	csrsll.exe
4760	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 4260 set thread context of 2708	4260	a392050264119730a340119a7cf5048574a91e1081f73adfc268912ff13be514.exe	83
PID 2436 set thread context of 3680	2436	csrsll.exe	97
PID 2436 set thread context of 4760	2436	csrsll.exe	98

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4260-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4260-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2708-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2708-11-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2708-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4260-14-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/files/0x000c000000023bae-29.dat	upx
behavioral2/memory/2436-36-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2708-40-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2436-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2436-42-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4760-47-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4760-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4760-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4760-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4760-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2436-57-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2708-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3680-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4760-62-0x0000000000400000-0x0000000000414000-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	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a392050264119730a340119a7cf5048574a91e1081f73adfc268912ff13be514.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a392050264119730a340119a7cf5048574a91e1081f73adfc268912ff13be514.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

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe
Token: SeDebugPrivilege	3680	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4260	a392050264119730a340119a7cf5048574a91e1081f73adfc268912ff13be514.exe
2708	a392050264119730a340119a7cf5048574a91e1081f73adfc268912ff13be514.exe
2436	csrsll.exe
3680	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 4260 wrote to memory of 2708	4260	a392050264119730a340119a7cf5048574a91e1081f73adfc268912ff13be514.exe	83
PID 4260 wrote to memory of 2708	4260	a392050264119730a340119a7cf5048574a91e1081f73adfc268912ff13be514.exe	83
PID 4260 wrote to memory of 2708	4260	a392050264119730a340119a7cf5048574a91e1081f73adfc268912ff13be514.exe	83
PID 4260 wrote to memory of 2708	4260	a392050264119730a340119a7cf5048574a91e1081f73adfc268912ff13be514.exe	83
PID 4260 wrote to memory of 2708	4260	a392050264119730a340119a7cf5048574a91e1081f73adfc268912ff13be514.exe	83
PID 4260 wrote to memory of 2708	4260	a392050264119730a340119a7cf5048574a91e1081f73adfc268912ff13be514.exe	83
PID 4260 wrote to memory of 2708	4260	a392050264119730a340119a7cf5048574a91e1081f73adfc268912ff13be514.exe	83
PID 4260 wrote to memory of 2708	4260	a392050264119730a340119a7cf5048574a91e1081f73adfc268912ff13be514.exe	83
PID 2708 wrote to memory of 2136	2708	a392050264119730a340119a7cf5048574a91e1081f73adfc268912ff13be514.exe	84
PID 2708 wrote to memory of 2136	2708	a392050264119730a340119a7cf5048574a91e1081f73adfc268912ff13be514.exe	84
PID 2708 wrote to memory of 2136	2708	a392050264119730a340119a7cf5048574a91e1081f73adfc268912ff13be514.exe	84
PID 2136 wrote to memory of 2476	2136	cmd.exe	88
PID 2136 wrote to memory of 2476	2136	cmd.exe	88
PID 2136 wrote to memory of 2476	2136	cmd.exe	88
PID 2708 wrote to memory of 2436	2708	a392050264119730a340119a7cf5048574a91e1081f73adfc268912ff13be514.exe	89
PID 2708 wrote to memory of 2436	2708	a392050264119730a340119a7cf5048574a91e1081f73adfc268912ff13be514.exe	89
PID 2708 wrote to memory of 2436	2708	a392050264119730a340119a7cf5048574a91e1081f73adfc268912ff13be514.exe	89
PID 2436 wrote to memory of 3680	2436	csrsll.exe	97
PID 2436 wrote to memory of 3680	2436	csrsll.exe	97
PID 2436 wrote to memory of 3680	2436	csrsll.exe	97
PID 2436 wrote to memory of 3680	2436	csrsll.exe	97
PID 2436 wrote to memory of 3680	2436	csrsll.exe	97
PID 2436 wrote to memory of 3680	2436	csrsll.exe	97
PID 2436 wrote to memory of 3680	2436	csrsll.exe	97
PID 2436 wrote to memory of 3680	2436	csrsll.exe	97
PID 2436 wrote to memory of 4760	2436	csrsll.exe	98
PID 2436 wrote to memory of 4760	2436	csrsll.exe	98
PID 2436 wrote to memory of 4760	2436	csrsll.exe	98
PID 2436 wrote to memory of 4760	2436	csrsll.exe	98
PID 2436 wrote to memory of 4760	2436	csrsll.exe	98
PID 2436 wrote to memory of 4760	2436	csrsll.exe	98
PID 2436 wrote to memory of 4760	2436	csrsll.exe	98
PID 2436 wrote to memory of 4760	2436	csrsll.exe	98

C:\Users\Admin\AppData\Local\Temp\a392050264119730a340119a7cf5048574a91e1081f73adfc268912ff13be514.exe
"C:\Users\Admin\AppData\Local\Temp\a392050264119730a340119a7cf5048574a91e1081f73adfc268912ff13be514.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4260
- C:\Users\Admin\AppData\Local\Temp\a392050264119730a340119a7cf5048574a91e1081f73adfc268912ff13be514.exe
  "C:\Users\Admin\AppData\Local\Temp\a392050264119730a340119a7cf5048574a91e1081f73adfc268912ff13be514.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2708
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\URQUH.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2136
  - - 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:2476
- - 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:2436
  - - 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:3680
  - - 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:4760

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\URQUH.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
34b29ec77e5c56e02b800d032fd2002e

SHA1
ec3b96b030356c18302a6f526712bd445353fc72

SHA256
6e5a23976ce7056f507228d95f3660533d7b5f5c5a56a83224da2a29177c2813

SHA512
b0f705694af7a013401e3b7a916e21da42ebab4dc66fc90583e0159e35a0b73a6b286c6855a9855215d12a1d409579539bbd5cbedb55d3e1fbca2bd07a5b68ce

Download Submit
memory/2436-57-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2436-42-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2436-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2436-36-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2708-40-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2708-11-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2708-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2708-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2708-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3680-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4260-3-0x0000000002B60000-0x0000000002B62000-memory.dmp

Filesize
8KB

Download
memory/4260-14-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4260-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4260-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4260-6-0x0000000002CA0000-0x0000000002CA2000-memory.dmp

Filesize
8KB

Download
memory/4260-4-0x0000000002C80000-0x0000000002C82000-memory.dmp

Filesize
8KB

Download
memory/4760-47-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4760-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4760-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4760-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4760-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4760-62-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads