modiloader | 32ff70c4f0a9d2aab2447b0a5646efb6ef674a21e3c2f349c054d1aa3e8c7c82

Analysis

max time kernel
149s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
07/05/2024, 16:41

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General

Target
df90303b419a6e98df4cf992845f0380_NEAS.exe
Size 90KB
Sample240507-t7bddshd93
SHA256 32ff70c4f0a9d2aab2447b0a5646efb6ef674a21e3c2f349c054d1aa3e8c7c82
MD5 df90303b419a6e98df4cf992845f0380
SHA1 b93a69134b7243f89c274e538ea6e50cc625f4cc
SHA512 a7c0b997e31675538c9a8d70fbba8c36fda6b5b9daeb72b5b4d977f3cfbdd7cdb8bb2865e6c6abb5b3657e4acad13e40ab3872b2167c8f3e440e9dbfd90d820b
SSDEEP 1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDK:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3Y
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

modiloader 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/4036-50-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4036-51-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4036-52-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4036-59-0x0000000000400000-0x0000000000414000-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-1-5-21-877519540-908060166-1852957295-1000\Control Panel\International\Geo\Nation	df90303b419a6e98df4cf992845f0380_NEAS.exe

Executes dropped EXE 3 IoCs

pid	Process
4408	csrsll.exe
4344	csrsll.exe
4036	csrsll.exe

UPX packed file 17 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4632-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/456-3-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4632-4-0x0000000002900000-0x0000000002902000-memory.dmp	upx
behavioral2/memory/456-8-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4632-10-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/456-11-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x00180000000239c5-27.dat	upx
behavioral2/memory/4408-34-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4036-40-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4036-48-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4036-50-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4036-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4036-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4408-46-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/456-57-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4344-58-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4036-59-0x0000000000400000-0x0000000000414000-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-1-5-21-877519540-908060166-1852957295-1000\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 4632 set thread context of 456	4632	df90303b419a6e98df4cf992845f0380_NEAS.exe	94
PID 4408 set thread context of 4344	4408	csrsll.exe	103
PID 4408 set thread context of 4036	4408	csrsll.exe	104

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	4344	csrsll.exe
Token: SeDebugPrivilege	4344	csrsll.exe
Token: SeDebugPrivilege	4344	csrsll.exe
Token: SeDebugPrivilege	4344	csrsll.exe
Token: SeDebugPrivilege	4344	csrsll.exe
Token: SeDebugPrivilege	4344	csrsll.exe
Token: SeDebugPrivilege	4344	csrsll.exe
Token: SeDebugPrivilege	4344	csrsll.exe
Token: SeDebugPrivilege	4344	csrsll.exe
Token: SeDebugPrivilege	4344	csrsll.exe
Token: SeDebugPrivilege	4344	csrsll.exe
Token: SeDebugPrivilege	4344	csrsll.exe
Token: SeDebugPrivilege	4344	csrsll.exe
Token: SeDebugPrivilege	4344	csrsll.exe
Token: SeDebugPrivilege	4344	csrsll.exe
Token: SeDebugPrivilege	4344	csrsll.exe
Token: SeDebugPrivilege	4344	csrsll.exe
Token: SeDebugPrivilege	4344	csrsll.exe
Token: SeDebugPrivilege	4344	csrsll.exe
Token: SeDebugPrivilege	4344	csrsll.exe
Token: SeDebugPrivilege	4344	csrsll.exe
Token: SeDebugPrivilege	4344	csrsll.exe
Token: SeDebugPrivilege	4344	csrsll.exe
Token: SeDebugPrivilege	4344	csrsll.exe
Token: SeDebugPrivilege	4344	csrsll.exe
Token: SeDebugPrivilege	4344	csrsll.exe
Token: SeDebugPrivilege	4344	csrsll.exe
Token: SeDebugPrivilege	4344	csrsll.exe
Token: SeDebugPrivilege	4344	csrsll.exe
Token: SeDebugPrivilege	4344	csrsll.exe
Token: SeDebugPrivilege	4344	csrsll.exe
Token: SeDebugPrivilege	4344	csrsll.exe
Token: SeDebugPrivilege	4344	csrsll.exe
Token: SeDebugPrivilege	4344	csrsll.exe
Token: SeDebugPrivilege	4344	csrsll.exe
Token: SeDebugPrivilege	4344	csrsll.exe
Token: SeDebugPrivilege	4344	csrsll.exe
Token: SeDebugPrivilege	4344	csrsll.exe
Token: SeDebugPrivilege	4344	csrsll.exe
Token: SeDebugPrivilege	4344	csrsll.exe
Token: SeDebugPrivilege	4344	csrsll.exe
Token: SeDebugPrivilege	4344	csrsll.exe
Token: SeDebugPrivilege	4344	csrsll.exe
Token: SeDebugPrivilege	4344	csrsll.exe
Token: SeDebugPrivilege	4344	csrsll.exe
Token: SeDebugPrivilege	4344	csrsll.exe
Token: SeDebugPrivilege	4344	csrsll.exe
Token: SeDebugPrivilege	4344	csrsll.exe
Token: SeDebugPrivilege	4344	csrsll.exe
Token: SeDebugPrivilege	4344	csrsll.exe
Token: SeDebugPrivilege	4344	csrsll.exe
Token: SeDebugPrivilege	4344	csrsll.exe
Token: SeDebugPrivilege	4344	csrsll.exe
Token: SeDebugPrivilege	4344	csrsll.exe
Token: SeDebugPrivilege	4344	csrsll.exe
Token: SeDebugPrivilege	4344	csrsll.exe
Token: SeDebugPrivilege	4344	csrsll.exe
Token: SeDebugPrivilege	4344	csrsll.exe
Token: SeDebugPrivilege	4344	csrsll.exe
Token: SeDebugPrivilege	4344	csrsll.exe
Token: SeDebugPrivilege	4344	csrsll.exe
Token: SeDebugPrivilege	4344	csrsll.exe
Token: SeDebugPrivilege	4344	csrsll.exe
Token: SeDebugPrivilege	4344	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4632	df90303b419a6e98df4cf992845f0380_NEAS.exe
456	df90303b419a6e98df4cf992845f0380_NEAS.exe
4408	csrsll.exe
4344	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 4632 wrote to memory of 456	4632	df90303b419a6e98df4cf992845f0380_NEAS.exe	94
PID 4632 wrote to memory of 456	4632	df90303b419a6e98df4cf992845f0380_NEAS.exe	94
PID 4632 wrote to memory of 456	4632	df90303b419a6e98df4cf992845f0380_NEAS.exe	94
PID 4632 wrote to memory of 456	4632	df90303b419a6e98df4cf992845f0380_NEAS.exe	94
PID 4632 wrote to memory of 456	4632	df90303b419a6e98df4cf992845f0380_NEAS.exe	94
PID 4632 wrote to memory of 456	4632	df90303b419a6e98df4cf992845f0380_NEAS.exe	94
PID 4632 wrote to memory of 456	4632	df90303b419a6e98df4cf992845f0380_NEAS.exe	94
PID 4632 wrote to memory of 456	4632	df90303b419a6e98df4cf992845f0380_NEAS.exe	94
PID 456 wrote to memory of 972	456	df90303b419a6e98df4cf992845f0380_NEAS.exe	96
PID 456 wrote to memory of 972	456	df90303b419a6e98df4cf992845f0380_NEAS.exe	96
PID 456 wrote to memory of 972	456	df90303b419a6e98df4cf992845f0380_NEAS.exe	96
PID 972 wrote to memory of 532	972	cmd.exe	99
PID 972 wrote to memory of 532	972	cmd.exe	99
PID 972 wrote to memory of 532	972	cmd.exe	99
PID 456 wrote to memory of 4408	456	df90303b419a6e98df4cf992845f0380_NEAS.exe	100
PID 456 wrote to memory of 4408	456	df90303b419a6e98df4cf992845f0380_NEAS.exe	100
PID 456 wrote to memory of 4408	456	df90303b419a6e98df4cf992845f0380_NEAS.exe	100
PID 4408 wrote to memory of 4344	4408	csrsll.exe	103
PID 4408 wrote to memory of 4344	4408	csrsll.exe	103
PID 4408 wrote to memory of 4344	4408	csrsll.exe	103
PID 4408 wrote to memory of 4344	4408	csrsll.exe	103
PID 4408 wrote to memory of 4344	4408	csrsll.exe	103
PID 4408 wrote to memory of 4344	4408	csrsll.exe	103
PID 4408 wrote to memory of 4344	4408	csrsll.exe	103
PID 4408 wrote to memory of 4344	4408	csrsll.exe	103
PID 4408 wrote to memory of 4036	4408	csrsll.exe	104
PID 4408 wrote to memory of 4036	4408	csrsll.exe	104
PID 4408 wrote to memory of 4036	4408	csrsll.exe	104
PID 4408 wrote to memory of 4036	4408	csrsll.exe	104
PID 4408 wrote to memory of 4036	4408	csrsll.exe	104
PID 4408 wrote to memory of 4036	4408	csrsll.exe	104
PID 4408 wrote to memory of 4036	4408	csrsll.exe	104
PID 4408 wrote to memory of 4036	4408	csrsll.exe	104

C:\Users\Admin\AppData\Local\Temp\df90303b419a6e98df4cf992845f0380_NEAS.exe
"C:\Users\Admin\AppData\Local\Temp\df90303b419a6e98df4cf992845f0380_NEAS.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4632
- C:\Users\Admin\AppData\Local\Temp\df90303b419a6e98df4cf992845f0380_NEAS.exe
  "C:\Users\Admin\AppData\Local\Temp\df90303b419a6e98df4cf992845f0380_NEAS.exe"
  2⤵
  - Checks computer location settings
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:456
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\EYCNL.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:972
  - - 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
      PID:532
- - C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:4408
  - - C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:4344
  - - C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
      4⤵
      Executes dropped EXE
      PID:4036

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

EYCNL.txt

Path C:\Users\Admin\AppData\Local\Temp\EYCNL.txt
Size 145B
SHA256 08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff
MD5 4eb61ec7816c34ec8c125acadc57ec1b
SHA1 b0015cc865c0bb1a027be663027d3829401a31cc
SHA512 f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1
MD5 SHA1 SHA512

Submit Download

csrsll.exe

Path C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
Size 90KB
SHA256 52b6a2c27a3f190a77146cf2f71d7e1fb6afdd340a32b22528adefee294d042e
MD5 05e455195beb366fc1d556dd75e33899
SHA1 aaafed79613b77dc7aade548c0491f344004d3a1
SHA512 b7024566c0e51aa3c005f2a5bd62adaeddf1241d7f576a3c8479d443a9ead3e8bf5e9bf8bf34cfaa7a5f6e7ebeed72da4e636e092e741df9fdc6922110848356
SSDEEP 1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDK:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3Y
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/456-11-0x0000000000400000-0x000000000040B000-memory.dmp

Download

memory/456-3-0x0000000000400000-0x000000000040B000-memory.dmp

Download

memory/456-57-0x0000000000400000-0x000000000040B000-memory.dmp

Download

memory/456-55-0x0000000000410000-0x00000000004D9000-memory.dmp

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memory/456-8-0x0000000000400000-0x000000000040B000-memory.dmp

Download

memory/4036-52-0x0000000000400000-0x0000000000414000-memory.dmp

Download

memory/4036-51-0x0000000000400000-0x0000000000414000-memory.dmp

Download

memory/4036-59-0x0000000000400000-0x0000000000414000-memory.dmp

Download

memory/4036-50-0x0000000000400000-0x0000000000414000-memory.dmp

Download

memory/4036-40-0x0000000000400000-0x0000000000414000-memory.dmp

Download

memory/4036-48-0x0000000000400000-0x0000000000414000-memory.dmp

Download

memory/4344-58-0x0000000000400000-0x000000000040B000-memory.dmp

Download

memory/4408-34-0x0000000000400000-0x0000000000453000-memory.dmp

Download

memory/4408-46-0x0000000000400000-0x0000000000453000-memory.dmp

Download

memory/4632-10-0x0000000000400000-0x0000000000453000-memory.dmp

Download

memory/4632-0-0x0000000000400000-0x0000000000453000-memory.dmp

Download

memory/4632-4-0x0000000002900000-0x0000000002902000-memory.dmp

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memory/4632-5-0x0000000002910000-0x0000000002912000-memory.dmp

Download

memory/4632-6-0x0000000002920000-0x0000000002922000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads