modiloader | 67cad4e8791386300b5b92b384f3283c41bf1ebd7c2b7bbc1c6b5a403db633cc

Analysis

max time kernel
117s
max time network
121s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
03/07/2024, 22:28

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General

Target

23a927cbd9c1183d623609c6785b4a48_JaffaCakes118.exe
Size

310KB
MD5

23a927cbd9c1183d623609c6785b4a48
SHA1

46ff20d811f54468a155477741a52239b4ce9bd3
SHA256

67cad4e8791386300b5b92b384f3283c41bf1ebd7c2b7bbc1c6b5a403db633cc
SHA512

e177b948db6e0aefb9eb704e0a038a2e1aa26245fcfcb617ddfdc08f7f915822ac1d4375a86b66ca9092ead9b64b36f8d4390a5c74e7b1f9f2c617851b35fd9e
SSDEEP

6144:wimO08F3VCQH4EtteRq659uePSaKqj5PfiEbVPuovA8T:wA089VCg4K4BuUSaKOs6luovA8T

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

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe \"C:\\Windows\\winlogon.exe\""	winlogon.exe

ModiLoader Second Stage 3 IoCs

resource	yara_rule
behavioral1/memory/2156-1-0x0000000000400000-0x00000000004A3000-memory.dmp	modiloader_stage2
behavioral1/memory/2156-12-0x0000000000400000-0x00000000004A3000-memory.dmp	modiloader_stage2
behavioral1/memory/3036-22-0x0000000000400000-0x00000000004A3000-memory.dmp	modiloader_stage2

Boot or Logon Autostart Execution: Active Setup 2 TTPs 2 IoCs

Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

persistence

Active Setup

T1547.014

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{05I41M56-QW07-U20F-YX8T-VB4U6TP4UX63}\StubPath = "\"C:\\Windows\\winlogon.exe\""	winlogon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{05I41M56-QW07-U20F-YX8T-VB4U6TP4UX63}	winlogon.exe

Deletes itself 1 IoCs

pid	Process
3036	winlogon.exe

Executes dropped EXE 1 IoCs

pid	Process
3036	winlogon.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2156-0-0x0000000000400000-0x00000000004A3000-memory.dmp	upx
behavioral1/memory/2156-1-0x0000000000400000-0x00000000004A3000-memory.dmp	upx
behavioral1/files/0x0034000000015eaf-7.dat	upx
behavioral1/memory/2156-12-0x0000000000400000-0x00000000004A3000-memory.dmp	upx
behavioral1/memory/3036-13-0x0000000000400000-0x00000000004A3000-memory.dmp	upx
behavioral1/memory/3036-22-0x0000000000400000-0x00000000004A3000-memory.dmp	upx

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\winlogon.exe	23a927cbd9c1183d623609c6785b4a48_JaffaCakes118.exe
File created	C:\Windows\winlogon.exe	23a927cbd9c1183d623609c6785b4a48_JaffaCakes118.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2156 wrote to memory of 3036	2156	23a927cbd9c1183d623609c6785b4a48_JaffaCakes118.exe	28
PID 2156 wrote to memory of 3036	2156	23a927cbd9c1183d623609c6785b4a48_JaffaCakes118.exe	28
PID 2156 wrote to memory of 3036	2156	23a927cbd9c1183d623609c6785b4a48_JaffaCakes118.exe	28
PID 2156 wrote to memory of 3036	2156	23a927cbd9c1183d623609c6785b4a48_JaffaCakes118.exe	28
PID 3036 wrote to memory of 2392	3036	winlogon.exe	29
PID 3036 wrote to memory of 2392	3036	winlogon.exe	29
PID 3036 wrote to memory of 2392	3036	winlogon.exe	29
PID 3036 wrote to memory of 2392	3036	winlogon.exe	29
PID 3036 wrote to memory of 2392	3036	winlogon.exe	29
PID 3036 wrote to memory of 2392	3036	winlogon.exe	29
PID 3036 wrote to memory of 2392	3036	winlogon.exe	29
PID 3036 wrote to memory of 2392	3036	winlogon.exe	29
PID 3036 wrote to memory of 2392	3036	winlogon.exe	29
PID 3036 wrote to memory of 2392	3036	winlogon.exe	29
PID 3036 wrote to memory of 2392	3036	winlogon.exe	29
PID 3036 wrote to memory of 2392	3036	winlogon.exe	29
PID 3036 wrote to memory of 2392	3036	winlogon.exe	29
PID 3036 wrote to memory of 2392	3036	winlogon.exe	29
PID 3036 wrote to memory of 2392	3036	winlogon.exe	29
PID 3036 wrote to memory of 2392	3036	winlogon.exe	29
PID 3036 wrote to memory of 2392	3036	winlogon.exe	29
PID 3036 wrote to memory of 2392	3036	winlogon.exe	29
PID 3036 wrote to memory of 2392	3036	winlogon.exe	29
PID 3036 wrote to memory of 2392	3036	winlogon.exe	29
PID 3036 wrote to memory of 2392	3036	winlogon.exe	29
PID 3036 wrote to memory of 2392	3036	winlogon.exe	29
PID 3036 wrote to memory of 2392	3036	winlogon.exe	29
PID 3036 wrote to memory of 2392	3036	winlogon.exe	29
PID 3036 wrote to memory of 2392	3036	winlogon.exe	29
PID 3036 wrote to memory of 2392	3036	winlogon.exe	29
PID 3036 wrote to memory of 2392	3036	winlogon.exe	29
PID 3036 wrote to memory of 2392	3036	winlogon.exe	29
PID 3036 wrote to memory of 2392	3036	winlogon.exe	29
PID 3036 wrote to memory of 2392	3036	winlogon.exe	29
PID 3036 wrote to memory of 2392	3036	winlogon.exe	29
PID 3036 wrote to memory of 2392	3036	winlogon.exe	29
PID 3036 wrote to memory of 2392	3036	winlogon.exe	29
PID 3036 wrote to memory of 2392	3036	winlogon.exe	29
PID 3036 wrote to memory of 2392	3036	winlogon.exe	29
PID 3036 wrote to memory of 2392	3036	winlogon.exe	29
PID 3036 wrote to memory of 2392	3036	winlogon.exe	29
PID 3036 wrote to memory of 2392	3036	winlogon.exe	29
PID 3036 wrote to memory of 2392	3036	winlogon.exe	29
PID 3036 wrote to memory of 2392	3036	winlogon.exe	29
PID 3036 wrote to memory of 2392	3036	winlogon.exe	29
PID 3036 wrote to memory of 2392	3036	winlogon.exe	29
PID 3036 wrote to memory of 2392	3036	winlogon.exe	29
PID 3036 wrote to memory of 2392	3036	winlogon.exe	29
PID 3036 wrote to memory of 2392	3036	winlogon.exe	29
PID 3036 wrote to memory of 2392	3036	winlogon.exe	29
PID 3036 wrote to memory of 2392	3036	winlogon.exe	29
PID 3036 wrote to memory of 2392	3036	winlogon.exe	29
PID 3036 wrote to memory of 2392	3036	winlogon.exe	29
PID 3036 wrote to memory of 2392	3036	winlogon.exe	29
PID 3036 wrote to memory of 2392	3036	winlogon.exe	29
PID 3036 wrote to memory of 2392	3036	winlogon.exe	29
PID 3036 wrote to memory of 2392	3036	winlogon.exe	29
PID 3036 wrote to memory of 2392	3036	winlogon.exe	29
PID 3036 wrote to memory of 2392	3036	winlogon.exe	29
PID 3036 wrote to memory of 2392	3036	winlogon.exe	29
PID 3036 wrote to memory of 2392	3036	winlogon.exe	29
PID 3036 wrote to memory of 2392	3036	winlogon.exe	29
PID 3036 wrote to memory of 2392	3036	winlogon.exe	29
PID 3036 wrote to memory of 2392	3036	winlogon.exe	29

C:\Users\Admin\AppData\Local\Temp\23a927cbd9c1183d623609c6785b4a48_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\23a927cbd9c1183d623609c6785b4a48_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2156
- C:\Windows\winlogon.exe
  "C:\Windows\winlogon.exe" \melt "C:\Users\Admin\AppData\Local\Temp\23a927cbd9c1183d623609c6785b4a48_JaffaCakes118.exe"
  2⤵
  - Modifies WinLogon for persistence
  - Boot or Logon Autostart Execution: Active Setup
  - Deletes itself
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:3036
- - C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe"
    3⤵
    PID:2392

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Active Setup

T1547.014

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Active Setup

T1547.014

Winlogon Helper DLL

T1547.004

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\winlogon.exe

Filesize
310KB

MD5
23a927cbd9c1183d623609c6785b4a48

SHA1
46ff20d811f54468a155477741a52239b4ce9bd3

SHA256
67cad4e8791386300b5b92b384f3283c41bf1ebd7c2b7bbc1c6b5a403db633cc

SHA512
e177b948db6e0aefb9eb704e0a038a2e1aa26245fcfcb617ddfdc08f7f915822ac1d4375a86b66ca9092ead9b64b36f8d4390a5c74e7b1f9f2c617851b35fd9e

Download Submit
memory/2156-0-0x0000000000400000-0x00000000004A3000-memory.dmp

Filesize
652KB

Download
memory/2156-1-0x0000000000400000-0x00000000004A3000-memory.dmp

Filesize
652KB

Download
memory/2156-6-0x0000000002EC0000-0x0000000002ED0000-memory.dmp

Filesize
64KB

Download
memory/2156-12-0x0000000000400000-0x00000000004A3000-memory.dmp

Filesize
652KB

Download
memory/3036-13-0x0000000000400000-0x00000000004A3000-memory.dmp

Filesize
652KB

Download
memory/3036-22-0x0000000000400000-0x00000000004A3000-memory.dmp

Filesize
652KB

Download
memory/3036-16-0x0000000010410000-0x0000000010449000-memory.dmp

Filesize
228KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads