modiloader | 9ab03a0ccc538f631b3a2a48635996be8f5e58bc1b0762516876c424951d2c28

Analysis

max time kernel
120s
max time network
118s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19-09-2024 11:02

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General

Target

9ab03a0ccc538f631b3a2a48635996be8f5e58bc1b0762516876c424951d2c28N.exe
Size

90KB
MD5

0d598f0ada1c5c61d3da4ebe69483520
SHA1

a8e00285f1bb464e5bad0f1289f708d366864c40
SHA256

9ab03a0ccc538f631b3a2a48635996be8f5e58bc1b0762516876c424951d2c28
SHA512

44723e8ca7fd9f09c241aeb2215efad5fb4a0ef2759adca06375cba89161479c8ee8806d5957d95d8f45b9c8cb6094db4ef9e66ada06980a6eae8ec7ae0c13d4
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/3908-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3908-56-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3908-59-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3908-64-0x0000000000400000-0x0000000000414000-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-1-5-21-945322488-2060912225-3527527000-1000\Control Panel\International\Geo\Nation	9ab03a0ccc538f631b3a2a48635996be8f5e58bc1b0762516876c424951d2c28N.exe

Executes dropped EXE 3 IoCs

pid	Process
4848	csrsll.exe
396	csrsll.exe
3908	csrsll.exe

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2292-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2292-6-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4912-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4912-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2292-11-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4912-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0008000000023486-29.dat	upx
behavioral2/memory/4848-36-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4912-40-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4848-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4848-42-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3908-50-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3908-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3908-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3908-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3908-59-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4912-62-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4848-58-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/396-63-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3908-64-0x0000000000400000-0x0000000000414000-memory.dmp	upx

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-1-5-21-945322488-2060912225-3527527000-1000\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 2292 set thread context of 4912	2292	9ab03a0ccc538f631b3a2a48635996be8f5e58bc1b0762516876c424951d2c28N.exe	87
PID 4848 set thread context of 396	4848	csrsll.exe	95
PID 4848 set thread context of 3908	4848	csrsll.exe	96

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	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	9ab03a0ccc538f631b3a2a48635996be8f5e58bc1b0762516876c424951d2c28N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9ab03a0ccc538f631b3a2a48635996be8f5e58bc1b0762516876c424951d2c28N.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2292	9ab03a0ccc538f631b3a2a48635996be8f5e58bc1b0762516876c424951d2c28N.exe
4912	9ab03a0ccc538f631b3a2a48635996be8f5e58bc1b0762516876c424951d2c28N.exe
4848	csrsll.exe
396	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 2292 wrote to memory of 4912	2292	9ab03a0ccc538f631b3a2a48635996be8f5e58bc1b0762516876c424951d2c28N.exe	87
PID 2292 wrote to memory of 4912	2292	9ab03a0ccc538f631b3a2a48635996be8f5e58bc1b0762516876c424951d2c28N.exe	87
PID 2292 wrote to memory of 4912	2292	9ab03a0ccc538f631b3a2a48635996be8f5e58bc1b0762516876c424951d2c28N.exe	87
PID 2292 wrote to memory of 4912	2292	9ab03a0ccc538f631b3a2a48635996be8f5e58bc1b0762516876c424951d2c28N.exe	87
PID 2292 wrote to memory of 4912	2292	9ab03a0ccc538f631b3a2a48635996be8f5e58bc1b0762516876c424951d2c28N.exe	87
PID 2292 wrote to memory of 4912	2292	9ab03a0ccc538f631b3a2a48635996be8f5e58bc1b0762516876c424951d2c28N.exe	87
PID 2292 wrote to memory of 4912	2292	9ab03a0ccc538f631b3a2a48635996be8f5e58bc1b0762516876c424951d2c28N.exe	87
PID 2292 wrote to memory of 4912	2292	9ab03a0ccc538f631b3a2a48635996be8f5e58bc1b0762516876c424951d2c28N.exe	87
PID 4912 wrote to memory of 1956	4912	9ab03a0ccc538f631b3a2a48635996be8f5e58bc1b0762516876c424951d2c28N.exe	88
PID 4912 wrote to memory of 1956	4912	9ab03a0ccc538f631b3a2a48635996be8f5e58bc1b0762516876c424951d2c28N.exe	88
PID 4912 wrote to memory of 1956	4912	9ab03a0ccc538f631b3a2a48635996be8f5e58bc1b0762516876c424951d2c28N.exe	88
PID 1956 wrote to memory of 3552	1956	cmd.exe	91
PID 1956 wrote to memory of 3552	1956	cmd.exe	91
PID 1956 wrote to memory of 3552	1956	cmd.exe	91
PID 4912 wrote to memory of 4848	4912	9ab03a0ccc538f631b3a2a48635996be8f5e58bc1b0762516876c424951d2c28N.exe	92
PID 4912 wrote to memory of 4848	4912	9ab03a0ccc538f631b3a2a48635996be8f5e58bc1b0762516876c424951d2c28N.exe	92
PID 4912 wrote to memory of 4848	4912	9ab03a0ccc538f631b3a2a48635996be8f5e58bc1b0762516876c424951d2c28N.exe	92
PID 4848 wrote to memory of 396	4848	csrsll.exe	95
PID 4848 wrote to memory of 396	4848	csrsll.exe	95
PID 4848 wrote to memory of 396	4848	csrsll.exe	95
PID 4848 wrote to memory of 396	4848	csrsll.exe	95
PID 4848 wrote to memory of 396	4848	csrsll.exe	95
PID 4848 wrote to memory of 396	4848	csrsll.exe	95
PID 4848 wrote to memory of 396	4848	csrsll.exe	95
PID 4848 wrote to memory of 396	4848	csrsll.exe	95
PID 4848 wrote to memory of 3908	4848	csrsll.exe	96
PID 4848 wrote to memory of 3908	4848	csrsll.exe	96
PID 4848 wrote to memory of 3908	4848	csrsll.exe	96
PID 4848 wrote to memory of 3908	4848	csrsll.exe	96
PID 4848 wrote to memory of 3908	4848	csrsll.exe	96
PID 4848 wrote to memory of 3908	4848	csrsll.exe	96
PID 4848 wrote to memory of 3908	4848	csrsll.exe	96
PID 4848 wrote to memory of 3908	4848	csrsll.exe	96

C:\Users\Admin\AppData\Local\Temp\9ab03a0ccc538f631b3a2a48635996be8f5e58bc1b0762516876c424951d2c28N.exe
"C:\Users\Admin\AppData\Local\Temp\9ab03a0ccc538f631b3a2a48635996be8f5e58bc1b0762516876c424951d2c28N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2292
- C:\Users\Admin\AppData\Local\Temp\9ab03a0ccc538f631b3a2a48635996be8f5e58bc1b0762516876c424951d2c28N.exe
  "C:\Users\Admin\AppData\Local\Temp\9ab03a0ccc538f631b3a2a48635996be8f5e58bc1b0762516876c424951d2c28N.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4912
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\PYPDE.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1956
  - - 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:3552
- - 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:4848
  - - 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:396
  - - 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:3908

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\PYPDE.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
8a9eb315680eb0e73a1991ef40bcf7aa

SHA1
a989169bba0ab154f7ec0eaa0ecdd08454ec458e

SHA256
e07e9226517c67ea277189a7bb998673870a532b623fa6bf6de92dbf43f7d8df

SHA512
beefd57620fb6d82f54d06222347905caf3c7c5648ff250e65323eef31c39a4904ab2a84f89f43a6c24332f4da0bd95d107b6f2f2c080cc20356ef2045059def

Download Submit
memory/396-63-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2292-6-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2292-3-0x00000000021B0000-0x00000000021B2000-memory.dmp

Filesize
8KB

Download
memory/2292-4-0x00000000021C0000-0x00000000021C2000-memory.dmp

Filesize
8KB

Download
memory/2292-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2292-11-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2292-5-0x00000000021E0000-0x00000000021E2000-memory.dmp

Filesize
8KB

Download
memory/3908-64-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3908-59-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3908-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3908-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3908-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3908-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4848-36-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4848-58-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4848-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4848-42-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4912-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4912-62-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4912-40-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4912-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4912-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads