modiloader | a6e9da392a04f477ba3c20a003e9005b55e56490271d1e7a055439f2c9c3b2ae

Analysis

max time kernel
149s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
05-01-2025 03:43

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General

Target

a6e9da392a04f477ba3c20a003e9005b55e56490271d1e7a055439f2c9c3b2ae.exe
Size

338KB
MD5

2621b72f1ecfd5b58bd7a4708048d875
SHA1

924adf4e5b6782698f4cf43c2baa4bb02255c92c
SHA256

a6e9da392a04f477ba3c20a003e9005b55e56490271d1e7a055439f2c9c3b2ae
SHA512

07c16b966056fcbb01c313517e7228517a700c08964145b78d1669f037438e85b284ac5c5c106374c45e1e5b8b24b70df63774c0a4a761e4dbb5d4e303a13974
SSDEEP

3072:uc3sBG7mXh7m/zZM3jAbNOM6CNtDCZFc/:/3sBz0Z4Mj72F

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/2800-56-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2800-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2800-57-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2800-59-0x0000000000400000-0x0000000000414000-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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	a6e9da392a04f477ba3c20a003e9005b55e56490271d1e7a055439f2c9c3b2ae.exe

Executes dropped EXE 3 IoCs

pid	Process
4332	csrsll.exe
3240	csrsll.exe
2800	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-1-5-21-2878641211-696417878-3864914810-1000\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 5032 set thread context of 2948	5032	a6e9da392a04f477ba3c20a003e9005b55e56490271d1e7a055439f2c9c3b2ae.exe	85
PID 4332 set thread context of 3240	4332	csrsll.exe	93
PID 4332 set thread context of 2800	4332	csrsll.exe	94

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral2/memory/5032-0-0x0000000000400000-0x0000000000457000-memory.dmp	upx
behavioral2/memory/2948-5-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2948-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/5032-8-0x0000000000400000-0x0000000000457000-memory.dmp	upx
behavioral2/memory/2948-10-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2948-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0008000000023c78-26.dat	upx
behavioral2/memory/4332-33-0x0000000000400000-0x0000000000457000-memory.dmp	upx
behavioral2/memory/4332-37-0x0000000000400000-0x0000000000457000-memory.dmp	upx
behavioral2/memory/4332-38-0x0000000000400000-0x0000000000457000-memory.dmp	upx
behavioral2/memory/2948-46-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2800-43-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4332-49-0x0000000000400000-0x0000000000457000-memory.dmp	upx
behavioral2/memory/2948-52-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2800-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2800-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2800-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2800-57-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3240-58-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2800-59-0x0000000000400000-0x0000000000414000-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	a6e9da392a04f477ba3c20a003e9005b55e56490271d1e7a055439f2c9c3b2ae.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a6e9da392a04f477ba3c20a003e9005b55e56490271d1e7a055439f2c9c3b2ae.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	3240	csrsll.exe
Token: SeDebugPrivilege	3240	csrsll.exe
Token: SeDebugPrivilege	3240	csrsll.exe
Token: SeDebugPrivilege	3240	csrsll.exe
Token: SeDebugPrivilege	3240	csrsll.exe
Token: SeDebugPrivilege	3240	csrsll.exe
Token: SeDebugPrivilege	3240	csrsll.exe
Token: SeDebugPrivilege	3240	csrsll.exe
Token: SeDebugPrivilege	3240	csrsll.exe
Token: SeDebugPrivilege	3240	csrsll.exe
Token: SeDebugPrivilege	3240	csrsll.exe
Token: SeDebugPrivilege	3240	csrsll.exe
Token: SeDebugPrivilege	3240	csrsll.exe
Token: SeDebugPrivilege	3240	csrsll.exe
Token: SeDebugPrivilege	3240	csrsll.exe
Token: SeDebugPrivilege	3240	csrsll.exe
Token: SeDebugPrivilege	3240	csrsll.exe
Token: SeDebugPrivilege	3240	csrsll.exe
Token: SeDebugPrivilege	3240	csrsll.exe
Token: SeDebugPrivilege	3240	csrsll.exe
Token: SeDebugPrivilege	3240	csrsll.exe
Token: SeDebugPrivilege	3240	csrsll.exe
Token: SeDebugPrivilege	3240	csrsll.exe
Token: SeDebugPrivilege	3240	csrsll.exe
Token: SeDebugPrivilege	3240	csrsll.exe
Token: SeDebugPrivilege	3240	csrsll.exe
Token: SeDebugPrivilege	3240	csrsll.exe
Token: SeDebugPrivilege	3240	csrsll.exe
Token: SeDebugPrivilege	3240	csrsll.exe
Token: SeDebugPrivilege	3240	csrsll.exe
Token: SeDebugPrivilege	3240	csrsll.exe
Token: SeDebugPrivilege	3240	csrsll.exe
Token: SeDebugPrivilege	3240	csrsll.exe
Token: SeDebugPrivilege	3240	csrsll.exe
Token: SeDebugPrivilege	3240	csrsll.exe
Token: SeDebugPrivilege	3240	csrsll.exe
Token: SeDebugPrivilege	3240	csrsll.exe
Token: SeDebugPrivilege	3240	csrsll.exe
Token: SeDebugPrivilege	3240	csrsll.exe
Token: SeDebugPrivilege	3240	csrsll.exe
Token: SeDebugPrivilege	3240	csrsll.exe
Token: SeDebugPrivilege	3240	csrsll.exe
Token: SeDebugPrivilege	3240	csrsll.exe
Token: SeDebugPrivilege	3240	csrsll.exe
Token: SeDebugPrivilege	3240	csrsll.exe
Token: SeDebugPrivilege	3240	csrsll.exe
Token: SeDebugPrivilege	3240	csrsll.exe
Token: SeDebugPrivilege	3240	csrsll.exe
Token: SeDebugPrivilege	3240	csrsll.exe
Token: SeDebugPrivilege	3240	csrsll.exe
Token: SeDebugPrivilege	3240	csrsll.exe
Token: SeDebugPrivilege	3240	csrsll.exe
Token: SeDebugPrivilege	3240	csrsll.exe
Token: SeDebugPrivilege	3240	csrsll.exe
Token: SeDebugPrivilege	3240	csrsll.exe
Token: SeDebugPrivilege	3240	csrsll.exe
Token: SeDebugPrivilege	3240	csrsll.exe
Token: SeDebugPrivilege	3240	csrsll.exe
Token: SeDebugPrivilege	3240	csrsll.exe
Token: SeDebugPrivilege	3240	csrsll.exe
Token: SeDebugPrivilege	3240	csrsll.exe
Token: SeDebugPrivilege	3240	csrsll.exe
Token: SeDebugPrivilege	3240	csrsll.exe
Token: SeDebugPrivilege	3240	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
5032	a6e9da392a04f477ba3c20a003e9005b55e56490271d1e7a055439f2c9c3b2ae.exe
2948	a6e9da392a04f477ba3c20a003e9005b55e56490271d1e7a055439f2c9c3b2ae.exe
4332	csrsll.exe
3240	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 5032 wrote to memory of 2948	5032	a6e9da392a04f477ba3c20a003e9005b55e56490271d1e7a055439f2c9c3b2ae.exe	85
PID 5032 wrote to memory of 2948	5032	a6e9da392a04f477ba3c20a003e9005b55e56490271d1e7a055439f2c9c3b2ae.exe	85
PID 5032 wrote to memory of 2948	5032	a6e9da392a04f477ba3c20a003e9005b55e56490271d1e7a055439f2c9c3b2ae.exe	85
PID 5032 wrote to memory of 2948	5032	a6e9da392a04f477ba3c20a003e9005b55e56490271d1e7a055439f2c9c3b2ae.exe	85
PID 5032 wrote to memory of 2948	5032	a6e9da392a04f477ba3c20a003e9005b55e56490271d1e7a055439f2c9c3b2ae.exe	85
PID 5032 wrote to memory of 2948	5032	a6e9da392a04f477ba3c20a003e9005b55e56490271d1e7a055439f2c9c3b2ae.exe	85
PID 5032 wrote to memory of 2948	5032	a6e9da392a04f477ba3c20a003e9005b55e56490271d1e7a055439f2c9c3b2ae.exe	85
PID 5032 wrote to memory of 2948	5032	a6e9da392a04f477ba3c20a003e9005b55e56490271d1e7a055439f2c9c3b2ae.exe	85
PID 2948 wrote to memory of 4780	2948	a6e9da392a04f477ba3c20a003e9005b55e56490271d1e7a055439f2c9c3b2ae.exe	87
PID 2948 wrote to memory of 4780	2948	a6e9da392a04f477ba3c20a003e9005b55e56490271d1e7a055439f2c9c3b2ae.exe	87
PID 2948 wrote to memory of 4780	2948	a6e9da392a04f477ba3c20a003e9005b55e56490271d1e7a055439f2c9c3b2ae.exe	87
PID 4780 wrote to memory of 2088	4780	cmd.exe	91
PID 4780 wrote to memory of 2088	4780	cmd.exe	91
PID 4780 wrote to memory of 2088	4780	cmd.exe	91
PID 2948 wrote to memory of 4332	2948	a6e9da392a04f477ba3c20a003e9005b55e56490271d1e7a055439f2c9c3b2ae.exe	92
PID 2948 wrote to memory of 4332	2948	a6e9da392a04f477ba3c20a003e9005b55e56490271d1e7a055439f2c9c3b2ae.exe	92
PID 2948 wrote to memory of 4332	2948	a6e9da392a04f477ba3c20a003e9005b55e56490271d1e7a055439f2c9c3b2ae.exe	92
PID 4332 wrote to memory of 3240	4332	csrsll.exe	93
PID 4332 wrote to memory of 3240	4332	csrsll.exe	93
PID 4332 wrote to memory of 3240	4332	csrsll.exe	93
PID 4332 wrote to memory of 3240	4332	csrsll.exe	93
PID 4332 wrote to memory of 3240	4332	csrsll.exe	93
PID 4332 wrote to memory of 3240	4332	csrsll.exe	93
PID 4332 wrote to memory of 3240	4332	csrsll.exe	93
PID 4332 wrote to memory of 3240	4332	csrsll.exe	93
PID 4332 wrote to memory of 2800	4332	csrsll.exe	94
PID 4332 wrote to memory of 2800	4332	csrsll.exe	94
PID 4332 wrote to memory of 2800	4332	csrsll.exe	94
PID 4332 wrote to memory of 2800	4332	csrsll.exe	94
PID 4332 wrote to memory of 2800	4332	csrsll.exe	94
PID 4332 wrote to memory of 2800	4332	csrsll.exe	94
PID 4332 wrote to memory of 2800	4332	csrsll.exe	94
PID 4332 wrote to memory of 2800	4332	csrsll.exe	94

C:\Users\Admin\AppData\Local\Temp\a6e9da392a04f477ba3c20a003e9005b55e56490271d1e7a055439f2c9c3b2ae.exe
"C:\Users\Admin\AppData\Local\Temp\a6e9da392a04f477ba3c20a003e9005b55e56490271d1e7a055439f2c9c3b2ae.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5032
- C:\Users\Admin\AppData\Local\Temp\a6e9da392a04f477ba3c20a003e9005b55e56490271d1e7a055439f2c9c3b2ae.exe
  "C:\Users\Admin\AppData\Local\Temp\a6e9da392a04f477ba3c20a003e9005b55e56490271d1e7a055439f2c9c3b2ae.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2948
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\JAUVJ.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4780
  - - 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:2088
- - 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:4332
  - - 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:3240
  - - 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:2800

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\JAUVJ.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
338KB

MD5
4a5146d02eaf4b2b4dd7b1016947cfe2

SHA1
51a87b2de99a706f3c31567d08441131471c6ab3

SHA256
a437ae188675892716195700c31d1efb8406a711377a4d1b640fd3766a07596f

SHA512
550e4b0978d7a7b7f69a9360501a9bca256a795a3d8d820416acd7edf787a0ff6d0cc35b6110cceab76b424ca5f281a7fe2764a182af640e1e1a3f9cc55654fc

Download Submit
memory/2800-59-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2800-43-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2800-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2800-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2800-57-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2800-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2948-5-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2948-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2948-10-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2948-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2948-52-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2948-46-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3240-58-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4332-49-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download
memory/4332-38-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download
memory/4332-37-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download
memory/4332-33-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download
memory/5032-0-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download
memory/5032-8-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download
memory/5032-4-0x0000000002430000-0x0000000002431000-memory.dmp

Filesize
4KB

Download
memory/5032-3-0x0000000002410000-0x0000000002411000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads