modiloader | 03834141bd3e6c18064f9c02d8855c50732a56dd0085bcf9f99b6fa3df1c57d7

Analysis

max time kernel
119s
max time network
122s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
25-09-2024 04:45

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General

Target

03834141bd3e6c18064f9c02d8855c50732a56dd0085bcf9f99b6fa3df1c57d7N.exe
Size

90KB
MD5

0ac3423bfb9926aa77a923c0041dd120
SHA1

26f8d9039fbc45d206f26275263043c91ea3285e
SHA256

03834141bd3e6c18064f9c02d8855c50732a56dd0085bcf9f99b6fa3df1c57d7
SHA512

55a0be3e37ce447aba755c49603d9adb36abf5197df8973f527fc81aed6ae8a8d4851f6e21c275735ac5eda1f143c679e5a68396d6e1d96b38f002184393e429
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/1560-56-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1560-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1560-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1560-63-0x0000000000400000-0x0000000000414000-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-1-5-21-2170637797-568393320-3232933035-1000\Control Panel\International\Geo\Nation	03834141bd3e6c18064f9c02d8855c50732a56dd0085bcf9f99b6fa3df1c57d7N.exe

Executes dropped EXE 3 IoCs

pid	Process
4644	csrsll.exe
2580	csrsll.exe
1560	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-1-5-21-2170637797-568393320-3232933035-1000\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 2096 set thread context of 2312	2096	03834141bd3e6c18064f9c02d8855c50732a56dd0085bcf9f99b6fa3df1c57d7N.exe	94
PID 4644 set thread context of 2580	4644	csrsll.exe	103
PID 4644 set thread context of 1560	4644	csrsll.exe	104

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2096-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2096-4-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2312-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2312-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2096-11-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2312-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0008000000023639-29.dat	upx
behavioral2/memory/4644-36-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2312-40-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4644-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4644-42-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1560-46-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1560-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1560-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1560-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1560-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4644-58-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2312-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2580-62-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1560-63-0x0000000000400000-0x0000000000414000-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	03834141bd3e6c18064f9c02d8855c50732a56dd0085bcf9f99b6fa3df1c57d7N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	03834141bd3e6c18064f9c02d8855c50732a56dd0085bcf9f99b6fa3df1c57d7N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2580	csrsll.exe
Token: SeDebugPrivilege	2580	csrsll.exe
Token: SeDebugPrivilege	2580	csrsll.exe
Token: SeDebugPrivilege	2580	csrsll.exe
Token: SeDebugPrivilege	2580	csrsll.exe
Token: SeDebugPrivilege	2580	csrsll.exe
Token: SeDebugPrivilege	2580	csrsll.exe
Token: SeDebugPrivilege	2580	csrsll.exe
Token: SeDebugPrivilege	2580	csrsll.exe
Token: SeDebugPrivilege	2580	csrsll.exe
Token: SeDebugPrivilege	2580	csrsll.exe
Token: SeDebugPrivilege	2580	csrsll.exe
Token: SeDebugPrivilege	2580	csrsll.exe
Token: SeDebugPrivilege	2580	csrsll.exe
Token: SeDebugPrivilege	2580	csrsll.exe
Token: SeDebugPrivilege	2580	csrsll.exe
Token: SeDebugPrivilege	2580	csrsll.exe
Token: SeDebugPrivilege	2580	csrsll.exe
Token: SeDebugPrivilege	2580	csrsll.exe
Token: SeDebugPrivilege	2580	csrsll.exe
Token: SeDebugPrivilege	2580	csrsll.exe
Token: SeDebugPrivilege	2580	csrsll.exe
Token: SeDebugPrivilege	2580	csrsll.exe
Token: SeDebugPrivilege	2580	csrsll.exe
Token: SeDebugPrivilege	2580	csrsll.exe
Token: SeDebugPrivilege	2580	csrsll.exe
Token: SeDebugPrivilege	2580	csrsll.exe
Token: SeDebugPrivilege	2580	csrsll.exe
Token: SeDebugPrivilege	2580	csrsll.exe
Token: SeDebugPrivilege	2580	csrsll.exe
Token: SeDebugPrivilege	2580	csrsll.exe
Token: SeDebugPrivilege	2580	csrsll.exe
Token: SeDebugPrivilege	2580	csrsll.exe
Token: SeDebugPrivilege	2580	csrsll.exe
Token: SeDebugPrivilege	2580	csrsll.exe
Token: SeDebugPrivilege	2580	csrsll.exe
Token: SeDebugPrivilege	2580	csrsll.exe
Token: SeDebugPrivilege	2580	csrsll.exe
Token: SeDebugPrivilege	2580	csrsll.exe
Token: SeDebugPrivilege	2580	csrsll.exe
Token: SeDebugPrivilege	2580	csrsll.exe
Token: SeDebugPrivilege	2580	csrsll.exe
Token: SeDebugPrivilege	2580	csrsll.exe
Token: SeDebugPrivilege	2580	csrsll.exe
Token: SeDebugPrivilege	2580	csrsll.exe
Token: SeDebugPrivilege	2580	csrsll.exe
Token: SeDebugPrivilege	2580	csrsll.exe
Token: SeDebugPrivilege	2580	csrsll.exe
Token: SeDebugPrivilege	2580	csrsll.exe
Token: SeDebugPrivilege	2580	csrsll.exe
Token: SeDebugPrivilege	2580	csrsll.exe
Token: SeDebugPrivilege	2580	csrsll.exe
Token: SeDebugPrivilege	2580	csrsll.exe
Token: SeDebugPrivilege	2580	csrsll.exe
Token: SeDebugPrivilege	2580	csrsll.exe
Token: SeDebugPrivilege	2580	csrsll.exe
Token: SeDebugPrivilege	2580	csrsll.exe
Token: SeDebugPrivilege	2580	csrsll.exe
Token: SeDebugPrivilege	2580	csrsll.exe
Token: SeDebugPrivilege	2580	csrsll.exe
Token: SeDebugPrivilege	2580	csrsll.exe
Token: SeDebugPrivilege	2580	csrsll.exe
Token: SeDebugPrivilege	2580	csrsll.exe
Token: SeDebugPrivilege	2580	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2096	03834141bd3e6c18064f9c02d8855c50732a56dd0085bcf9f99b6fa3df1c57d7N.exe
2312	03834141bd3e6c18064f9c02d8855c50732a56dd0085bcf9f99b6fa3df1c57d7N.exe
4644	csrsll.exe
2580	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 2096 wrote to memory of 2312	2096	03834141bd3e6c18064f9c02d8855c50732a56dd0085bcf9f99b6fa3df1c57d7N.exe	94
PID 2096 wrote to memory of 2312	2096	03834141bd3e6c18064f9c02d8855c50732a56dd0085bcf9f99b6fa3df1c57d7N.exe	94
PID 2096 wrote to memory of 2312	2096	03834141bd3e6c18064f9c02d8855c50732a56dd0085bcf9f99b6fa3df1c57d7N.exe	94
PID 2096 wrote to memory of 2312	2096	03834141bd3e6c18064f9c02d8855c50732a56dd0085bcf9f99b6fa3df1c57d7N.exe	94
PID 2096 wrote to memory of 2312	2096	03834141bd3e6c18064f9c02d8855c50732a56dd0085bcf9f99b6fa3df1c57d7N.exe	94
PID 2096 wrote to memory of 2312	2096	03834141bd3e6c18064f9c02d8855c50732a56dd0085bcf9f99b6fa3df1c57d7N.exe	94
PID 2096 wrote to memory of 2312	2096	03834141bd3e6c18064f9c02d8855c50732a56dd0085bcf9f99b6fa3df1c57d7N.exe	94
PID 2096 wrote to memory of 2312	2096	03834141bd3e6c18064f9c02d8855c50732a56dd0085bcf9f99b6fa3df1c57d7N.exe	94
PID 2312 wrote to memory of 832	2312	03834141bd3e6c18064f9c02d8855c50732a56dd0085bcf9f99b6fa3df1c57d7N.exe	95
PID 2312 wrote to memory of 832	2312	03834141bd3e6c18064f9c02d8855c50732a56dd0085bcf9f99b6fa3df1c57d7N.exe	95
PID 2312 wrote to memory of 832	2312	03834141bd3e6c18064f9c02d8855c50732a56dd0085bcf9f99b6fa3df1c57d7N.exe	95
PID 832 wrote to memory of 3064	832	cmd.exe	99
PID 832 wrote to memory of 3064	832	cmd.exe	99
PID 832 wrote to memory of 3064	832	cmd.exe	99
PID 2312 wrote to memory of 4644	2312	03834141bd3e6c18064f9c02d8855c50732a56dd0085bcf9f99b6fa3df1c57d7N.exe	100
PID 2312 wrote to memory of 4644	2312	03834141bd3e6c18064f9c02d8855c50732a56dd0085bcf9f99b6fa3df1c57d7N.exe	100
PID 2312 wrote to memory of 4644	2312	03834141bd3e6c18064f9c02d8855c50732a56dd0085bcf9f99b6fa3df1c57d7N.exe	100
PID 4644 wrote to memory of 2580	4644	csrsll.exe	103
PID 4644 wrote to memory of 2580	4644	csrsll.exe	103
PID 4644 wrote to memory of 2580	4644	csrsll.exe	103
PID 4644 wrote to memory of 2580	4644	csrsll.exe	103
PID 4644 wrote to memory of 2580	4644	csrsll.exe	103
PID 4644 wrote to memory of 2580	4644	csrsll.exe	103
PID 4644 wrote to memory of 2580	4644	csrsll.exe	103
PID 4644 wrote to memory of 2580	4644	csrsll.exe	103
PID 4644 wrote to memory of 1560	4644	csrsll.exe	104
PID 4644 wrote to memory of 1560	4644	csrsll.exe	104
PID 4644 wrote to memory of 1560	4644	csrsll.exe	104
PID 4644 wrote to memory of 1560	4644	csrsll.exe	104
PID 4644 wrote to memory of 1560	4644	csrsll.exe	104
PID 4644 wrote to memory of 1560	4644	csrsll.exe	104
PID 4644 wrote to memory of 1560	4644	csrsll.exe	104
PID 4644 wrote to memory of 1560	4644	csrsll.exe	104

C:\Users\Admin\AppData\Local\Temp\03834141bd3e6c18064f9c02d8855c50732a56dd0085bcf9f99b6fa3df1c57d7N.exe
"C:\Users\Admin\AppData\Local\Temp\03834141bd3e6c18064f9c02d8855c50732a56dd0085bcf9f99b6fa3df1c57d7N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2096
- C:\Users\Admin\AppData\Local\Temp\03834141bd3e6c18064f9c02d8855c50732a56dd0085bcf9f99b6fa3df1c57d7N.exe
  "C:\Users\Admin\AppData\Local\Temp\03834141bd3e6c18064f9c02d8855c50732a56dd0085bcf9f99b6fa3df1c57d7N.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2312
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\SGQHC.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:832
  - - 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:3064
- - 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:4644
  - - 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:2580
  - - 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:1560

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4424,i,6510295916244954942,10164894160290787457,262144 --variations-seed-version --mojo-platform-channel-handle=4444 /prefetch:8
1⤵
PID:3676

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\SGQHC.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
6c0be0baa39051b9f13181f3373368b5

SHA1
5df36ce935ebacd1b217bc58aa6b01047544f8ff

SHA256
28d38d0f31379a70e16c43a512e8938e75491bbd1c34549965d10129d192fc67

SHA512
0c0180035503ba34e6e3a487c9da5629b2b0fc50859a49b83e00b7669bce7f8c556f61df7fff7cb41e987edf2810a6822d23d1f772bbc17fc07cd69760f218e9

Download Submit
memory/1560-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1560-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1560-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1560-46-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1560-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1560-63-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2096-4-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2096-11-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2096-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2096-6-0x00000000021F0000-0x00000000021F2000-memory.dmp

Filesize
8KB

Download
memory/2096-5-0x00000000021E0000-0x00000000021E2000-memory.dmp

Filesize
8KB

Download
memory/2096-3-0x00000000021B0000-0x00000000021B2000-memory.dmp

Filesize
8KB

Download
memory/2312-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2312-40-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2312-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2312-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2312-59-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/2312-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2580-62-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4644-42-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4644-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4644-36-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4644-58-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads