modiloader | 105112ca34cd0feb7c68ca934fdc893ddf50a0f2d1aa4e1cd303a8e2bf8c9bcb

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
10/12/2024, 22:47

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General

Target

105112ca34cd0feb7c68ca934fdc893ddf50a0f2d1aa4e1cd303a8e2bf8c9bcb.exe
Size

326KB
MD5

425c82229fe61085c0509542269b6f6c
SHA1

c1d63382417aa32852cb0db3aedfc73567899d39
SHA256

105112ca34cd0feb7c68ca934fdc893ddf50a0f2d1aa4e1cd303a8e2bf8c9bcb
SHA512

021457f7b5b0b0f2f882408dcbd2426af093df3fde9f3bb2c24a1bbe5a6b158a9a329485d0c0def86077b87b8184475308a745ed0469852eadc43079a8d9e3e0
SSDEEP

3072:ce2A0wxDqUpM5scww4chO+O1BmP5DG0sg3i4XZ9WvDZHwdRX/L+gP38XV/:csxD5cwohO+O1sVG0/pZ6iPC8a

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/4476-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4476-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4476-52-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4476-59-0x0000000000400000-0x0000000000414000-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	105112ca34cd0feb7c68ca934fdc893ddf50a0f2d1aa4e1cd303a8e2bf8c9bcb.exe

Executes dropped EXE 3 IoCs

pid	Process
5024	csrsll.exe
2216	csrsll.exe
4476	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 1724 set thread context of 100	1724	105112ca34cd0feb7c68ca934fdc893ddf50a0f2d1aa4e1cd303a8e2bf8c9bcb.exe	86
PID 5024 set thread context of 2216	5024	csrsll.exe	95
PID 5024 set thread context of 4476	5024	csrsll.exe	96

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1724-0-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/1724-5-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/100-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/100-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/100-12-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1724-11-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/files/0x0008000000023c62-28.dat	upx
behavioral2/memory/100-38-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/5024-39-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/5024-40-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/4476-44-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4476-50-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/5024-53-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/4476-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4476-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4476-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/100-56-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2216-58-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4476-59-0x0000000000400000-0x0000000000414000-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	105112ca34cd0feb7c68ca934fdc893ddf50a0f2d1aa4e1cd303a8e2bf8c9bcb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	105112ca34cd0feb7c68ca934fdc893ddf50a0f2d1aa4e1cd303a8e2bf8c9bcb.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	2216	csrsll.exe
Token: SeDebugPrivilege	2216	csrsll.exe
Token: SeDebugPrivilege	2216	csrsll.exe
Token: SeDebugPrivilege	2216	csrsll.exe
Token: SeDebugPrivilege	2216	csrsll.exe
Token: SeDebugPrivilege	2216	csrsll.exe
Token: SeDebugPrivilege	2216	csrsll.exe
Token: SeDebugPrivilege	2216	csrsll.exe
Token: SeDebugPrivilege	2216	csrsll.exe
Token: SeDebugPrivilege	2216	csrsll.exe
Token: SeDebugPrivilege	2216	csrsll.exe
Token: SeDebugPrivilege	2216	csrsll.exe
Token: SeDebugPrivilege	2216	csrsll.exe
Token: SeDebugPrivilege	2216	csrsll.exe
Token: SeDebugPrivilege	2216	csrsll.exe
Token: SeDebugPrivilege	2216	csrsll.exe
Token: SeDebugPrivilege	2216	csrsll.exe
Token: SeDebugPrivilege	2216	csrsll.exe
Token: SeDebugPrivilege	2216	csrsll.exe
Token: SeDebugPrivilege	2216	csrsll.exe
Token: SeDebugPrivilege	2216	csrsll.exe
Token: SeDebugPrivilege	2216	csrsll.exe
Token: SeDebugPrivilege	2216	csrsll.exe
Token: SeDebugPrivilege	2216	csrsll.exe
Token: SeDebugPrivilege	2216	csrsll.exe
Token: SeDebugPrivilege	2216	csrsll.exe
Token: SeDebugPrivilege	2216	csrsll.exe
Token: SeDebugPrivilege	2216	csrsll.exe
Token: SeDebugPrivilege	2216	csrsll.exe
Token: SeDebugPrivilege	2216	csrsll.exe
Token: SeDebugPrivilege	2216	csrsll.exe
Token: SeDebugPrivilege	2216	csrsll.exe
Token: SeDebugPrivilege	2216	csrsll.exe
Token: SeDebugPrivilege	2216	csrsll.exe
Token: SeDebugPrivilege	2216	csrsll.exe
Token: SeDebugPrivilege	2216	csrsll.exe
Token: SeDebugPrivilege	2216	csrsll.exe
Token: SeDebugPrivilege	2216	csrsll.exe
Token: SeDebugPrivilege	2216	csrsll.exe
Token: SeDebugPrivilege	2216	csrsll.exe
Token: SeDebugPrivilege	2216	csrsll.exe
Token: SeDebugPrivilege	2216	csrsll.exe
Token: SeDebugPrivilege	2216	csrsll.exe
Token: SeDebugPrivilege	2216	csrsll.exe
Token: SeDebugPrivilege	2216	csrsll.exe
Token: SeDebugPrivilege	2216	csrsll.exe
Token: SeDebugPrivilege	2216	csrsll.exe
Token: SeDebugPrivilege	2216	csrsll.exe
Token: SeDebugPrivilege	2216	csrsll.exe
Token: SeDebugPrivilege	2216	csrsll.exe
Token: SeDebugPrivilege	2216	csrsll.exe
Token: SeDebugPrivilege	2216	csrsll.exe
Token: SeDebugPrivilege	2216	csrsll.exe
Token: SeDebugPrivilege	2216	csrsll.exe
Token: SeDebugPrivilege	2216	csrsll.exe
Token: SeDebugPrivilege	2216	csrsll.exe
Token: SeDebugPrivilege	2216	csrsll.exe
Token: SeDebugPrivilege	2216	csrsll.exe
Token: SeDebugPrivilege	2216	csrsll.exe
Token: SeDebugPrivilege	2216	csrsll.exe
Token: SeDebugPrivilege	2216	csrsll.exe
Token: SeDebugPrivilege	2216	csrsll.exe
Token: SeDebugPrivilege	2216	csrsll.exe
Token: SeDebugPrivilege	2216	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1724	105112ca34cd0feb7c68ca934fdc893ddf50a0f2d1aa4e1cd303a8e2bf8c9bcb.exe
100	105112ca34cd0feb7c68ca934fdc893ddf50a0f2d1aa4e1cd303a8e2bf8c9bcb.exe
5024	csrsll.exe
2216	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 1724 wrote to memory of 100	1724	105112ca34cd0feb7c68ca934fdc893ddf50a0f2d1aa4e1cd303a8e2bf8c9bcb.exe	86
PID 1724 wrote to memory of 100	1724	105112ca34cd0feb7c68ca934fdc893ddf50a0f2d1aa4e1cd303a8e2bf8c9bcb.exe	86
PID 1724 wrote to memory of 100	1724	105112ca34cd0feb7c68ca934fdc893ddf50a0f2d1aa4e1cd303a8e2bf8c9bcb.exe	86
PID 1724 wrote to memory of 100	1724	105112ca34cd0feb7c68ca934fdc893ddf50a0f2d1aa4e1cd303a8e2bf8c9bcb.exe	86
PID 1724 wrote to memory of 100	1724	105112ca34cd0feb7c68ca934fdc893ddf50a0f2d1aa4e1cd303a8e2bf8c9bcb.exe	86
PID 1724 wrote to memory of 100	1724	105112ca34cd0feb7c68ca934fdc893ddf50a0f2d1aa4e1cd303a8e2bf8c9bcb.exe	86
PID 1724 wrote to memory of 100	1724	105112ca34cd0feb7c68ca934fdc893ddf50a0f2d1aa4e1cd303a8e2bf8c9bcb.exe	86
PID 1724 wrote to memory of 100	1724	105112ca34cd0feb7c68ca934fdc893ddf50a0f2d1aa4e1cd303a8e2bf8c9bcb.exe	86
PID 100 wrote to memory of 3936	100	105112ca34cd0feb7c68ca934fdc893ddf50a0f2d1aa4e1cd303a8e2bf8c9bcb.exe	87
PID 100 wrote to memory of 3936	100	105112ca34cd0feb7c68ca934fdc893ddf50a0f2d1aa4e1cd303a8e2bf8c9bcb.exe	87
PID 100 wrote to memory of 3936	100	105112ca34cd0feb7c68ca934fdc893ddf50a0f2d1aa4e1cd303a8e2bf8c9bcb.exe	87
PID 3936 wrote to memory of 3020	3936	cmd.exe	90
PID 3936 wrote to memory of 3020	3936	cmd.exe	90
PID 3936 wrote to memory of 3020	3936	cmd.exe	90
PID 100 wrote to memory of 5024	100	105112ca34cd0feb7c68ca934fdc893ddf50a0f2d1aa4e1cd303a8e2bf8c9bcb.exe	91
PID 100 wrote to memory of 5024	100	105112ca34cd0feb7c68ca934fdc893ddf50a0f2d1aa4e1cd303a8e2bf8c9bcb.exe	91
PID 100 wrote to memory of 5024	100	105112ca34cd0feb7c68ca934fdc893ddf50a0f2d1aa4e1cd303a8e2bf8c9bcb.exe	91
PID 5024 wrote to memory of 2216	5024	csrsll.exe	95
PID 5024 wrote to memory of 2216	5024	csrsll.exe	95
PID 5024 wrote to memory of 2216	5024	csrsll.exe	95
PID 5024 wrote to memory of 2216	5024	csrsll.exe	95
PID 5024 wrote to memory of 2216	5024	csrsll.exe	95
PID 5024 wrote to memory of 2216	5024	csrsll.exe	95
PID 5024 wrote to memory of 2216	5024	csrsll.exe	95
PID 5024 wrote to memory of 2216	5024	csrsll.exe	95
PID 5024 wrote to memory of 4476	5024	csrsll.exe	96
PID 5024 wrote to memory of 4476	5024	csrsll.exe	96
PID 5024 wrote to memory of 4476	5024	csrsll.exe	96
PID 5024 wrote to memory of 4476	5024	csrsll.exe	96
PID 5024 wrote to memory of 4476	5024	csrsll.exe	96
PID 5024 wrote to memory of 4476	5024	csrsll.exe	96
PID 5024 wrote to memory of 4476	5024	csrsll.exe	96
PID 5024 wrote to memory of 4476	5024	csrsll.exe	96

C:\Users\Admin\AppData\Local\Temp\105112ca34cd0feb7c68ca934fdc893ddf50a0f2d1aa4e1cd303a8e2bf8c9bcb.exe
"C:\Users\Admin\AppData\Local\Temp\105112ca34cd0feb7c68ca934fdc893ddf50a0f2d1aa4e1cd303a8e2bf8c9bcb.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1724
- C:\Users\Admin\AppData\Local\Temp\105112ca34cd0feb7c68ca934fdc893ddf50a0f2d1aa4e1cd303a8e2bf8c9bcb.exe
  "C:\Users\Admin\AppData\Local\Temp\105112ca34cd0feb7c68ca934fdc893ddf50a0f2d1aa4e1cd303a8e2bf8c9bcb.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:100
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\BXWAN.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3936
  - - 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:3020
- - 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:5024
  - - 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:2216
  - - 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:4476

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\BXWAN.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
326KB

MD5
a3bde5dcaf11b51219f28225d7677b78

SHA1
0902fff5207e3d1ca51b7035597d77bfeb55d247

SHA256
5ce3ef3a5cd278316da362fe0702e7a7a5d14f960d64a17342979473e4a2866a

SHA512
49699cf00f7b1b3c9ee9c6225b136c5382bca017420dea892de52cf338d3e65c1022e24276d6c0c63375656ec20c7d647137c5deb40f805c2c53718cc842f80e

Download Submit
memory/100-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/100-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/100-12-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/100-38-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/100-56-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1724-6-0x0000000002330000-0x0000000002332000-memory.dmp

Filesize
8KB

Download
memory/1724-5-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1724-0-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1724-11-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1724-4-0x0000000002310000-0x0000000002312000-memory.dmp

Filesize
8KB

Download
memory/1724-3-0x0000000002300000-0x0000000002302000-memory.dmp

Filesize
8KB

Download
memory/2216-58-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4476-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4476-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4476-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4476-44-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4476-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4476-59-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5024-53-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/5024-40-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/5024-39-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads