modiloader | 5ed5e85ef958433684c59159932fbe9742426365cd2f5af824afb5c08ad51ba7

Analysis

max time kernel
118s
max time network
118s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
31-12-2024 19:50

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General

Target

5ed5e85ef958433684c59159932fbe9742426365cd2f5af824afb5c08ad51ba7.exe
Size

90KB
MD5

79ace600a7d749fe6ec5680017f8702e
SHA1

57eb1d3a4995f8983ce7de0b36f140c3ccab1d58
SHA256

5ed5e85ef958433684c59159932fbe9742426365cd2f5af824afb5c08ad51ba7
SHA512

08dfc3af2d1d40b88fcf5d80d5e22d73f32c1ce49dc02fdee124b3de437de9586efb55ed95d5b993fdec431bcbf92a9077207ec26d3d0806352419b7da8c9142
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oD+:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE30

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/2748-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2748-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2748-57-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2748-62-0x0000000000400000-0x0000000000414000-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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	5ed5e85ef958433684c59159932fbe9742426365cd2f5af824afb5c08ad51ba7.exe

Executes dropped EXE 3 IoCs

pid	Process
2932	csrsll.exe
2988	csrsll.exe
2748	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 1524 set thread context of 452	1524	5ed5e85ef958433684c59159932fbe9742426365cd2f5af824afb5c08ad51ba7.exe	82
PID 2932 set thread context of 2988	2932	csrsll.exe	88
PID 2932 set thread context of 2748	2932	csrsll.exe	89

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1524-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1524-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/452-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/452-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1524-12-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/452-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000b000000023b87-29.dat	upx
behavioral2/memory/452-39-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2932-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2932-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2748-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2748-50-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2748-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2748-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2748-57-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2932-58-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/452-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2988-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2748-62-0x0000000000400000-0x0000000000414000-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	5ed5e85ef958433684c59159932fbe9742426365cd2f5af824afb5c08ad51ba7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5ed5e85ef958433684c59159932fbe9742426365cd2f5af824afb5c08ad51ba7.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrsll.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2988	csrsll.exe
Token: SeDebugPrivilege	2988	csrsll.exe
Token: SeDebugPrivilege	2988	csrsll.exe
Token: SeDebugPrivilege	2988	csrsll.exe
Token: SeDebugPrivilege	2988	csrsll.exe
Token: SeDebugPrivilege	2988	csrsll.exe
Token: SeDebugPrivilege	2988	csrsll.exe
Token: SeDebugPrivilege	2988	csrsll.exe
Token: SeDebugPrivilege	2988	csrsll.exe
Token: SeDebugPrivilege	2988	csrsll.exe
Token: SeDebugPrivilege	2988	csrsll.exe
Token: SeDebugPrivilege	2988	csrsll.exe
Token: SeDebugPrivilege	2988	csrsll.exe
Token: SeDebugPrivilege	2988	csrsll.exe
Token: SeDebugPrivilege	2988	csrsll.exe
Token: SeDebugPrivilege	2988	csrsll.exe
Token: SeDebugPrivilege	2988	csrsll.exe
Token: SeDebugPrivilege	2988	csrsll.exe
Token: SeDebugPrivilege	2988	csrsll.exe
Token: SeDebugPrivilege	2988	csrsll.exe
Token: SeDebugPrivilege	2988	csrsll.exe
Token: SeDebugPrivilege	2988	csrsll.exe
Token: SeDebugPrivilege	2988	csrsll.exe
Token: SeDebugPrivilege	2988	csrsll.exe
Token: SeDebugPrivilege	2988	csrsll.exe
Token: SeDebugPrivilege	2988	csrsll.exe
Token: SeDebugPrivilege	2988	csrsll.exe
Token: SeDebugPrivilege	2988	csrsll.exe
Token: SeDebugPrivilege	2988	csrsll.exe
Token: SeDebugPrivilege	2988	csrsll.exe
Token: SeDebugPrivilege	2988	csrsll.exe
Token: SeDebugPrivilege	2988	csrsll.exe
Token: SeDebugPrivilege	2988	csrsll.exe
Token: SeDebugPrivilege	2988	csrsll.exe
Token: SeDebugPrivilege	2988	csrsll.exe
Token: SeDebugPrivilege	2988	csrsll.exe
Token: SeDebugPrivilege	2988	csrsll.exe
Token: SeDebugPrivilege	2988	csrsll.exe
Token: SeDebugPrivilege	2988	csrsll.exe
Token: SeDebugPrivilege	2988	csrsll.exe
Token: SeDebugPrivilege	2988	csrsll.exe
Token: SeDebugPrivilege	2988	csrsll.exe
Token: SeDebugPrivilege	2988	csrsll.exe
Token: SeDebugPrivilege	2988	csrsll.exe
Token: SeDebugPrivilege	2988	csrsll.exe
Token: SeDebugPrivilege	2988	csrsll.exe
Token: SeDebugPrivilege	2988	csrsll.exe
Token: SeDebugPrivilege	2988	csrsll.exe
Token: SeDebugPrivilege	2988	csrsll.exe
Token: SeDebugPrivilege	2988	csrsll.exe
Token: SeDebugPrivilege	2988	csrsll.exe
Token: SeDebugPrivilege	2988	csrsll.exe
Token: SeDebugPrivilege	2988	csrsll.exe
Token: SeDebugPrivilege	2988	csrsll.exe
Token: SeDebugPrivilege	2988	csrsll.exe
Token: SeDebugPrivilege	2988	csrsll.exe
Token: SeDebugPrivilege	2988	csrsll.exe
Token: SeDebugPrivilege	2988	csrsll.exe
Token: SeDebugPrivilege	2988	csrsll.exe
Token: SeDebugPrivilege	2988	csrsll.exe
Token: SeDebugPrivilege	2988	csrsll.exe
Token: SeDebugPrivilege	2988	csrsll.exe
Token: SeDebugPrivilege	2988	csrsll.exe
Token: SeDebugPrivilege	2988	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1524	5ed5e85ef958433684c59159932fbe9742426365cd2f5af824afb5c08ad51ba7.exe
452	5ed5e85ef958433684c59159932fbe9742426365cd2f5af824afb5c08ad51ba7.exe
2932	csrsll.exe
2988	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 1524 wrote to memory of 452	1524	5ed5e85ef958433684c59159932fbe9742426365cd2f5af824afb5c08ad51ba7.exe	82
PID 1524 wrote to memory of 452	1524	5ed5e85ef958433684c59159932fbe9742426365cd2f5af824afb5c08ad51ba7.exe	82
PID 1524 wrote to memory of 452	1524	5ed5e85ef958433684c59159932fbe9742426365cd2f5af824afb5c08ad51ba7.exe	82
PID 1524 wrote to memory of 452	1524	5ed5e85ef958433684c59159932fbe9742426365cd2f5af824afb5c08ad51ba7.exe	82
PID 1524 wrote to memory of 452	1524	5ed5e85ef958433684c59159932fbe9742426365cd2f5af824afb5c08ad51ba7.exe	82
PID 1524 wrote to memory of 452	1524	5ed5e85ef958433684c59159932fbe9742426365cd2f5af824afb5c08ad51ba7.exe	82
PID 1524 wrote to memory of 452	1524	5ed5e85ef958433684c59159932fbe9742426365cd2f5af824afb5c08ad51ba7.exe	82
PID 1524 wrote to memory of 452	1524	5ed5e85ef958433684c59159932fbe9742426365cd2f5af824afb5c08ad51ba7.exe	82
PID 452 wrote to memory of 3964	452	5ed5e85ef958433684c59159932fbe9742426365cd2f5af824afb5c08ad51ba7.exe	83
PID 452 wrote to memory of 3964	452	5ed5e85ef958433684c59159932fbe9742426365cd2f5af824afb5c08ad51ba7.exe	83
PID 452 wrote to memory of 3964	452	5ed5e85ef958433684c59159932fbe9742426365cd2f5af824afb5c08ad51ba7.exe	83
PID 3964 wrote to memory of 4940	3964	cmd.exe	86
PID 3964 wrote to memory of 4940	3964	cmd.exe	86
PID 3964 wrote to memory of 4940	3964	cmd.exe	86
PID 452 wrote to memory of 2932	452	5ed5e85ef958433684c59159932fbe9742426365cd2f5af824afb5c08ad51ba7.exe	87
PID 452 wrote to memory of 2932	452	5ed5e85ef958433684c59159932fbe9742426365cd2f5af824afb5c08ad51ba7.exe	87
PID 452 wrote to memory of 2932	452	5ed5e85ef958433684c59159932fbe9742426365cd2f5af824afb5c08ad51ba7.exe	87
PID 2932 wrote to memory of 2988	2932	csrsll.exe	88
PID 2932 wrote to memory of 2988	2932	csrsll.exe	88
PID 2932 wrote to memory of 2988	2932	csrsll.exe	88
PID 2932 wrote to memory of 2988	2932	csrsll.exe	88
PID 2932 wrote to memory of 2988	2932	csrsll.exe	88
PID 2932 wrote to memory of 2988	2932	csrsll.exe	88
PID 2932 wrote to memory of 2988	2932	csrsll.exe	88
PID 2932 wrote to memory of 2988	2932	csrsll.exe	88
PID 2932 wrote to memory of 2748	2932	csrsll.exe	89
PID 2932 wrote to memory of 2748	2932	csrsll.exe	89
PID 2932 wrote to memory of 2748	2932	csrsll.exe	89
PID 2932 wrote to memory of 2748	2932	csrsll.exe	89
PID 2932 wrote to memory of 2748	2932	csrsll.exe	89
PID 2932 wrote to memory of 2748	2932	csrsll.exe	89
PID 2932 wrote to memory of 2748	2932	csrsll.exe	89
PID 2932 wrote to memory of 2748	2932	csrsll.exe	89

C:\Users\Admin\AppData\Local\Temp\5ed5e85ef958433684c59159932fbe9742426365cd2f5af824afb5c08ad51ba7.exe
"C:\Users\Admin\AppData\Local\Temp\5ed5e85ef958433684c59159932fbe9742426365cd2f5af824afb5c08ad51ba7.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1524
- C:\Users\Admin\AppData\Local\Temp\5ed5e85ef958433684c59159932fbe9742426365cd2f5af824afb5c08ad51ba7.exe
  "C:\Users\Admin\AppData\Local\Temp\5ed5e85ef958433684c59159932fbe9742426365cd2f5af824afb5c08ad51ba7.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:452
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\NOMUG.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3964
  - - 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:4940
- - 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:2932
  - - 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:2988
  - - 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:2748

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\NOMUG.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
45e96b994761702118ca8d3ae6a07734

SHA1
b294dc3db6bb27f64ac23cce054afc7345e33181

SHA256
a80177e50f84a470f91ac04caa3ccbea4e41825b575ba294c7fe36abfbbc58fe

SHA512
825c219c73bbd1795d326f64bac5aaf934b36dbceb69e04cc8d28db1e4a830ee0b46e3f4a26187a6c0af7194d432c5caa3ea08dc1762d65b39b055e28cb63fb9

Download Submit
memory/452-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/452-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/452-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/452-39-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/452-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1524-6-0x0000000002930000-0x0000000002932000-memory.dmp

Filesize
8KB

Download
memory/1524-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1524-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1524-12-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1524-4-0x00000000021C0000-0x00000000021C2000-memory.dmp

Filesize
8KB

Download
memory/1524-3-0x00000000021B0000-0x00000000021B2000-memory.dmp

Filesize
8KB

Download
memory/2748-57-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2748-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2748-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2748-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2748-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2748-62-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2932-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2932-58-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2932-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2988-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads