modiloader | aadf1b8becca4e108e38d528310170abf516beffda48ac00e7618fb1188ac8dc

Analysis

max time kernel
149s
max time network
125s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
06-12-2024 01:17

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General

Target

aadf1b8becca4e108e38d528310170abf516beffda48ac00e7618fb1188ac8dc.exe
Size

90KB
MD5

bbe21bb6865d1121216b54da4ab730a8
SHA1

0168797721c34fed3e8d5cda7b36016b9f61d36f
SHA256

aadf1b8becca4e108e38d528310170abf516beffda48ac00e7618fb1188ac8dc
SHA512

3c6050f83b9cf7559bc724e7dd90e4e400990a4c82b29a52984d3ea36bac10322ba75b1760d855f4718c1680a9018833daecea29b138c3d3526e7239989ab7f1
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oD8:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE36

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 1 IoCs

resource	yara_rule
behavioral1/memory/2832-262-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
1848	csrsll.exe
2188	csrsll.exe
2832	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
2672	aadf1b8becca4e108e38d528310170abf516beffda48ac00e7618fb1188ac8dc.exe
2672	aadf1b8becca4e108e38d528310170abf516beffda48ac00e7618fb1188ac8dc.exe
2672	aadf1b8becca4e108e38d528310170abf516beffda48ac00e7618fb1188ac8dc.exe
2672	aadf1b8becca4e108e38d528310170abf516beffda48ac00e7618fb1188ac8dc.exe
2672	aadf1b8becca4e108e38d528310170abf516beffda48ac00e7618fb1188ac8dc.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-1-5-21-3551809350-4263495960-1443967649-1000\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 1716 set thread context of 2672	1716	aadf1b8becca4e108e38d528310170abf516beffda48ac00e7618fb1188ac8dc.exe	28
PID 1848 set thread context of 2188	1848	csrsll.exe	33
PID 1848 set thread context of 2832	1848	csrsll.exe	34

UPX packed file 23 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1716-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1716-27-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1716-82-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1716-92-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1716-91-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2672-102-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1716-104-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2672-98-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2672-96-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1716-79-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2672-106-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2672-109-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2672-108-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2672-107-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x000b0000000120d5-134.dat	upx
behavioral1/memory/2672-148-0x0000000003490000-0x00000000034E3000-memory.dmp	upx
behavioral1/memory/2672-154-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1848-214-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2832-250-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/1848-252-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2672-255-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2188-259-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2832-262-0x0000000000400000-0x0000000000414000-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	aadf1b8becca4e108e38d528310170abf516beffda48ac00e7618fb1188ac8dc.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	aadf1b8becca4e108e38d528310170abf516beffda48ac00e7618fb1188ac8dc.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe
Token: SeDebugPrivilege	2188	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1716	aadf1b8becca4e108e38d528310170abf516beffda48ac00e7618fb1188ac8dc.exe
2672	aadf1b8becca4e108e38d528310170abf516beffda48ac00e7618fb1188ac8dc.exe
1848	csrsll.exe
2188	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 1716 wrote to memory of 2672	1716	aadf1b8becca4e108e38d528310170abf516beffda48ac00e7618fb1188ac8dc.exe	28
PID 1716 wrote to memory of 2672	1716	aadf1b8becca4e108e38d528310170abf516beffda48ac00e7618fb1188ac8dc.exe	28
PID 1716 wrote to memory of 2672	1716	aadf1b8becca4e108e38d528310170abf516beffda48ac00e7618fb1188ac8dc.exe	28
PID 1716 wrote to memory of 2672	1716	aadf1b8becca4e108e38d528310170abf516beffda48ac00e7618fb1188ac8dc.exe	28
PID 1716 wrote to memory of 2672	1716	aadf1b8becca4e108e38d528310170abf516beffda48ac00e7618fb1188ac8dc.exe	28
PID 1716 wrote to memory of 2672	1716	aadf1b8becca4e108e38d528310170abf516beffda48ac00e7618fb1188ac8dc.exe	28
PID 1716 wrote to memory of 2672	1716	aadf1b8becca4e108e38d528310170abf516beffda48ac00e7618fb1188ac8dc.exe	28
PID 1716 wrote to memory of 2672	1716	aadf1b8becca4e108e38d528310170abf516beffda48ac00e7618fb1188ac8dc.exe	28
PID 2672 wrote to memory of 2560	2672	aadf1b8becca4e108e38d528310170abf516beffda48ac00e7618fb1188ac8dc.exe	29
PID 2672 wrote to memory of 2560	2672	aadf1b8becca4e108e38d528310170abf516beffda48ac00e7618fb1188ac8dc.exe	29
PID 2672 wrote to memory of 2560	2672	aadf1b8becca4e108e38d528310170abf516beffda48ac00e7618fb1188ac8dc.exe	29
PID 2672 wrote to memory of 2560	2672	aadf1b8becca4e108e38d528310170abf516beffda48ac00e7618fb1188ac8dc.exe	29
PID 2560 wrote to memory of 2956	2560	cmd.exe	31
PID 2560 wrote to memory of 2956	2560	cmd.exe	31
PID 2560 wrote to memory of 2956	2560	cmd.exe	31
PID 2560 wrote to memory of 2956	2560	cmd.exe	31
PID 2672 wrote to memory of 1848	2672	aadf1b8becca4e108e38d528310170abf516beffda48ac00e7618fb1188ac8dc.exe	32
PID 2672 wrote to memory of 1848	2672	aadf1b8becca4e108e38d528310170abf516beffda48ac00e7618fb1188ac8dc.exe	32
PID 2672 wrote to memory of 1848	2672	aadf1b8becca4e108e38d528310170abf516beffda48ac00e7618fb1188ac8dc.exe	32
PID 2672 wrote to memory of 1848	2672	aadf1b8becca4e108e38d528310170abf516beffda48ac00e7618fb1188ac8dc.exe	32
PID 1848 wrote to memory of 2188	1848	csrsll.exe	33
PID 1848 wrote to memory of 2188	1848	csrsll.exe	33
PID 1848 wrote to memory of 2188	1848	csrsll.exe	33
PID 1848 wrote to memory of 2188	1848	csrsll.exe	33
PID 1848 wrote to memory of 2188	1848	csrsll.exe	33
PID 1848 wrote to memory of 2188	1848	csrsll.exe	33
PID 1848 wrote to memory of 2188	1848	csrsll.exe	33
PID 1848 wrote to memory of 2188	1848	csrsll.exe	33
PID 1848 wrote to memory of 2832	1848	csrsll.exe	34
PID 1848 wrote to memory of 2832	1848	csrsll.exe	34
PID 1848 wrote to memory of 2832	1848	csrsll.exe	34
PID 1848 wrote to memory of 2832	1848	csrsll.exe	34
PID 1848 wrote to memory of 2832	1848	csrsll.exe	34
PID 1848 wrote to memory of 2832	1848	csrsll.exe	34
PID 1848 wrote to memory of 2832	1848	csrsll.exe	34
PID 1848 wrote to memory of 2832	1848	csrsll.exe	34

C:\Users\Admin\AppData\Local\Temp\aadf1b8becca4e108e38d528310170abf516beffda48ac00e7618fb1188ac8dc.exe
"C:\Users\Admin\AppData\Local\Temp\aadf1b8becca4e108e38d528310170abf516beffda48ac00e7618fb1188ac8dc.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1716
- C:\Users\Admin\AppData\Local\Temp\aadf1b8becca4e108e38d528310170abf516beffda48ac00e7618fb1188ac8dc.exe
  "C:\Users\Admin\AppData\Local\Temp\aadf1b8becca4e108e38d528310170abf516beffda48ac00e7618fb1188ac8dc.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2672
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\DRNLQ.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2560
  - - 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:2956
- - 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:1848
  - - 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:2188
  - - 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:2832

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

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\DRNLQ.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
9cb803f1781a8321b37dcaceb2be88ad

SHA1
435ef171f7bf91b051f43a026203bfa4a4baf43a

SHA256
cea8128963bb93d74fa7d573f0ee17aff185b1e9beb439c452dbc46ebcba13a0

SHA512
16a7316c0a1dfa2fb4913734ed293142e41cc67f16aba1d092347efaf3b38cd74534389518dd1b5dba537760b30b2abefee0a546c4e99e74b3c8ef7296072c2b

Download Submit
memory/1716-79-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1716-82-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1716-16-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/1716-5-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1716-27-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1716-3-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1716-41-0x0000000000290000-0x0000000000291000-memory.dmp

Filesize
4KB

Download
memory/1716-61-0x0000000000350000-0x0000000000351000-memory.dmp

Filesize
4KB

Download
memory/1716-92-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1716-91-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1716-13-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/1716-104-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1716-29-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/1716-71-0x0000000000370000-0x0000000000371000-memory.dmp

Filesize
4KB

Download
memory/1716-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1716-80-0x0000000000390000-0x0000000000392000-memory.dmp

Filesize
8KB

Download
memory/1716-93-0x0000000001E70000-0x0000000001EC3000-memory.dmp

Filesize
332KB

Download
memory/1848-252-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1848-167-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/1848-214-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1848-178-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/1848-157-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2188-259-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2672-96-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2672-106-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2672-98-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2672-148-0x0000000003490000-0x00000000034E3000-memory.dmp

Filesize
332KB

Download
memory/2672-242-0x0000000003490000-0x00000000034E3000-memory.dmp

Filesize
332KB

Download
memory/2672-100-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2672-149-0x0000000003490000-0x00000000034E3000-memory.dmp

Filesize
332KB

Download
memory/2672-109-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2672-154-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2672-108-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2672-150-0x0000000003490000-0x00000000034E3000-memory.dmp

Filesize
332KB

Download
memory/2672-102-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2672-94-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2672-255-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2672-244-0x0000000003490000-0x00000000034E3000-memory.dmp

Filesize
332KB

Download
memory/2672-107-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2832-250-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2832-262-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads