modiloader | 316230174bfc907cd69b12f40b8928cacaa8e3857c267b34b0343ddd3d5b9db3

Analysis

max time kernel
149s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
19-12-2024 22:07

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

316230174bfc907cd69b12f40b8928cacaa8e3857c267b34b0343ddd3d5b9db3.exe
Size

90KB
MD5

504f81dc9d37bd30b192d8da3b60266b
SHA1

bcc88725a36b265216f6b10a856c17ba5485f7e0
SHA256

316230174bfc907cd69b12f40b8928cacaa8e3857c267b34b0343ddd3d5b9db3
SHA512

72df202eb76c5c93c3594757cdf5aef99f04ffc65f2228409015e8474de563c933fccf0a65ad4920aec3a609ceae5caab0ab2c36ddbece949ec2b7f70c0b93ad
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oD2:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3A

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/1872-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1872-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1872-57-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1872-62-0x0000000000400000-0x0000000000414000-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-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	316230174bfc907cd69b12f40b8928cacaa8e3857c267b34b0343ddd3d5b9db3.exe

Executes dropped EXE 3 IoCs

pid	Process
2392	csrsll.exe
4940	csrsll.exe
1872	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-1-5-21-1045960512-3948844814-3059691613-1000\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 3116 set thread context of 208	3116	316230174bfc907cd69b12f40b8928cacaa8e3857c267b34b0343ddd3d5b9db3.exe	83
PID 2392 set thread context of 4940	2392	csrsll.exe	95
PID 2392 set thread context of 1872	2392	csrsll.exe	96

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3116-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3116-4-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/208-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/208-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3116-11-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/208-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0008000000023c86-29.dat	upx
behavioral2/memory/208-39-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2392-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2392-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1872-45-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1872-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1872-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1872-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1872-57-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/208-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2392-56-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4940-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1872-62-0x0000000000400000-0x0000000000414000-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	316230174bfc907cd69b12f40b8928cacaa8e3857c267b34b0343ddd3d5b9db3.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	316230174bfc907cd69b12f40b8928cacaa8e3857c267b34b0343ddd3d5b9db3.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	4940	csrsll.exe
Token: SeDebugPrivilege	4940	csrsll.exe
Token: SeDebugPrivilege	4940	csrsll.exe
Token: SeDebugPrivilege	4940	csrsll.exe
Token: SeDebugPrivilege	4940	csrsll.exe
Token: SeDebugPrivilege	4940	csrsll.exe
Token: SeDebugPrivilege	4940	csrsll.exe
Token: SeDebugPrivilege	4940	csrsll.exe
Token: SeDebugPrivilege	4940	csrsll.exe
Token: SeDebugPrivilege	4940	csrsll.exe
Token: SeDebugPrivilege	4940	csrsll.exe
Token: SeDebugPrivilege	4940	csrsll.exe
Token: SeDebugPrivilege	4940	csrsll.exe
Token: SeDebugPrivilege	4940	csrsll.exe
Token: SeDebugPrivilege	4940	csrsll.exe
Token: SeDebugPrivilege	4940	csrsll.exe
Token: SeDebugPrivilege	4940	csrsll.exe
Token: SeDebugPrivilege	4940	csrsll.exe
Token: SeDebugPrivilege	4940	csrsll.exe
Token: SeDebugPrivilege	4940	csrsll.exe
Token: SeDebugPrivilege	4940	csrsll.exe
Token: SeDebugPrivilege	4940	csrsll.exe
Token: SeDebugPrivilege	4940	csrsll.exe
Token: SeDebugPrivilege	4940	csrsll.exe
Token: SeDebugPrivilege	4940	csrsll.exe
Token: SeDebugPrivilege	4940	csrsll.exe
Token: SeDebugPrivilege	4940	csrsll.exe
Token: SeDebugPrivilege	4940	csrsll.exe
Token: SeDebugPrivilege	4940	csrsll.exe
Token: SeDebugPrivilege	4940	csrsll.exe
Token: SeDebugPrivilege	4940	csrsll.exe
Token: SeDebugPrivilege	4940	csrsll.exe
Token: SeDebugPrivilege	4940	csrsll.exe
Token: SeDebugPrivilege	4940	csrsll.exe
Token: SeDebugPrivilege	4940	csrsll.exe
Token: SeDebugPrivilege	4940	csrsll.exe
Token: SeDebugPrivilege	4940	csrsll.exe
Token: SeDebugPrivilege	4940	csrsll.exe
Token: SeDebugPrivilege	4940	csrsll.exe
Token: SeDebugPrivilege	4940	csrsll.exe
Token: SeDebugPrivilege	4940	csrsll.exe
Token: SeDebugPrivilege	4940	csrsll.exe
Token: SeDebugPrivilege	4940	csrsll.exe
Token: SeDebugPrivilege	4940	csrsll.exe
Token: SeDebugPrivilege	4940	csrsll.exe
Token: SeDebugPrivilege	4940	csrsll.exe
Token: SeDebugPrivilege	4940	csrsll.exe
Token: SeDebugPrivilege	4940	csrsll.exe
Token: SeDebugPrivilege	4940	csrsll.exe
Token: SeDebugPrivilege	4940	csrsll.exe
Token: SeDebugPrivilege	4940	csrsll.exe
Token: SeDebugPrivilege	4940	csrsll.exe
Token: SeDebugPrivilege	4940	csrsll.exe
Token: SeDebugPrivilege	4940	csrsll.exe
Token: SeDebugPrivilege	4940	csrsll.exe
Token: SeDebugPrivilege	4940	csrsll.exe
Token: SeDebugPrivilege	4940	csrsll.exe
Token: SeDebugPrivilege	4940	csrsll.exe
Token: SeDebugPrivilege	4940	csrsll.exe
Token: SeDebugPrivilege	4940	csrsll.exe
Token: SeDebugPrivilege	4940	csrsll.exe
Token: SeDebugPrivilege	4940	csrsll.exe
Token: SeDebugPrivilege	4940	csrsll.exe
Token: SeDebugPrivilege	4940	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3116	316230174bfc907cd69b12f40b8928cacaa8e3857c267b34b0343ddd3d5b9db3.exe
208	316230174bfc907cd69b12f40b8928cacaa8e3857c267b34b0343ddd3d5b9db3.exe
2392	csrsll.exe
4940	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 3116 wrote to memory of 208	3116	316230174bfc907cd69b12f40b8928cacaa8e3857c267b34b0343ddd3d5b9db3.exe	83
PID 3116 wrote to memory of 208	3116	316230174bfc907cd69b12f40b8928cacaa8e3857c267b34b0343ddd3d5b9db3.exe	83
PID 3116 wrote to memory of 208	3116	316230174bfc907cd69b12f40b8928cacaa8e3857c267b34b0343ddd3d5b9db3.exe	83
PID 3116 wrote to memory of 208	3116	316230174bfc907cd69b12f40b8928cacaa8e3857c267b34b0343ddd3d5b9db3.exe	83
PID 3116 wrote to memory of 208	3116	316230174bfc907cd69b12f40b8928cacaa8e3857c267b34b0343ddd3d5b9db3.exe	83
PID 3116 wrote to memory of 208	3116	316230174bfc907cd69b12f40b8928cacaa8e3857c267b34b0343ddd3d5b9db3.exe	83
PID 3116 wrote to memory of 208	3116	316230174bfc907cd69b12f40b8928cacaa8e3857c267b34b0343ddd3d5b9db3.exe	83
PID 3116 wrote to memory of 208	3116	316230174bfc907cd69b12f40b8928cacaa8e3857c267b34b0343ddd3d5b9db3.exe	83
PID 208 wrote to memory of 1456	208	316230174bfc907cd69b12f40b8928cacaa8e3857c267b34b0343ddd3d5b9db3.exe	84
PID 208 wrote to memory of 1456	208	316230174bfc907cd69b12f40b8928cacaa8e3857c267b34b0343ddd3d5b9db3.exe	84
PID 208 wrote to memory of 1456	208	316230174bfc907cd69b12f40b8928cacaa8e3857c267b34b0343ddd3d5b9db3.exe	84
PID 1456 wrote to memory of 4148	1456	cmd.exe	88
PID 1456 wrote to memory of 4148	1456	cmd.exe	88
PID 1456 wrote to memory of 4148	1456	cmd.exe	88
PID 208 wrote to memory of 2392	208	316230174bfc907cd69b12f40b8928cacaa8e3857c267b34b0343ddd3d5b9db3.exe	89
PID 208 wrote to memory of 2392	208	316230174bfc907cd69b12f40b8928cacaa8e3857c267b34b0343ddd3d5b9db3.exe	89
PID 208 wrote to memory of 2392	208	316230174bfc907cd69b12f40b8928cacaa8e3857c267b34b0343ddd3d5b9db3.exe	89
PID 2392 wrote to memory of 4940	2392	csrsll.exe	95
PID 2392 wrote to memory of 4940	2392	csrsll.exe	95
PID 2392 wrote to memory of 4940	2392	csrsll.exe	95
PID 2392 wrote to memory of 4940	2392	csrsll.exe	95
PID 2392 wrote to memory of 4940	2392	csrsll.exe	95
PID 2392 wrote to memory of 4940	2392	csrsll.exe	95
PID 2392 wrote to memory of 4940	2392	csrsll.exe	95
PID 2392 wrote to memory of 4940	2392	csrsll.exe	95
PID 2392 wrote to memory of 1872	2392	csrsll.exe	96
PID 2392 wrote to memory of 1872	2392	csrsll.exe	96
PID 2392 wrote to memory of 1872	2392	csrsll.exe	96
PID 2392 wrote to memory of 1872	2392	csrsll.exe	96
PID 2392 wrote to memory of 1872	2392	csrsll.exe	96
PID 2392 wrote to memory of 1872	2392	csrsll.exe	96
PID 2392 wrote to memory of 1872	2392	csrsll.exe	96
PID 2392 wrote to memory of 1872	2392	csrsll.exe	96

C:\Users\Admin\AppData\Local\Temp\316230174bfc907cd69b12f40b8928cacaa8e3857c267b34b0343ddd3d5b9db3.exe
"C:\Users\Admin\AppData\Local\Temp\316230174bfc907cd69b12f40b8928cacaa8e3857c267b34b0343ddd3d5b9db3.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3116
- C:\Users\Admin\AppData\Local\Temp\316230174bfc907cd69b12f40b8928cacaa8e3857c267b34b0343ddd3d5b9db3.exe
  "C:\Users\Admin\AppData\Local\Temp\316230174bfc907cd69b12f40b8928cacaa8e3857c267b34b0343ddd3d5b9db3.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:208
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\PSDIN.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1456
  - - 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:4148
- - 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:2392
  - - 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:4940
  - - 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:1872

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\PSDIN.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
ae4b07cfde5b50bbe0cea66f86c19a21

SHA1
7649fa0ec6187459c9a68731a00115043bc47009

SHA256
c369c8c273d103377bfb9d21d200b3a49771621db1d0a59ce211edb2eb47901a

SHA512
fb21ed0eac53bd6d1d474eb50cc50fa28a7b1f4bacb8725a5f1b2e48944b468411cbfb066ee13c761a309e378e1728e91f7f98f42b7a780f6bcc176909342e47

Download Submit
memory/208-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/208-58-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/208-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/208-39-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/208-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/208-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1872-57-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1872-45-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1872-62-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1872-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1872-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1872-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2392-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2392-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2392-56-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3116-11-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3116-4-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3116-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3116-6-0x0000000002440000-0x0000000002442000-memory.dmp

Filesize
8KB

Download
memory/3116-3-0x0000000002300000-0x0000000002302000-memory.dmp

Filesize
8KB

Download
memory/3116-5-0x0000000002430000-0x0000000002432000-memory.dmp

Filesize
8KB

Download
memory/4940-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads