modiloader | 6dc77c44cc9f926705aa069f72a9e3608a07e9e4b87ef352f29bafff7ce42be2

Analysis

max time kernel
148s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
09/04/2024, 00:42

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General

Target
e8cfee0d6b806782b539573677462894_JaffaCakes118.exe
Size 82KB
Sample240409-a2ghnscc2s
SHA256 6dc77c44cc9f926705aa069f72a9e3608a07e9e4b87ef352f29bafff7ce42be2
MD5 e8cfee0d6b806782b539573677462894
SHA1 14675c8cc5d597c45121c649f9c24db4f0e936dc
SHA512 23abc196c6a4d3770adb7fda32cbacf51cc9d5588c384a5f01239840ebaf9a5d97a3d862b13fa73206106a543426dbd4d7f395a5d604804c69d4bc56e66d90f7
SSDEEP 1536:5CGcRjb81YcIpo8Fi0Gkffx2xWHXvmF9HRKw+gL:S8OcGoreZHXvC1RKCL
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

modiloader persistence trojan

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/files/0x0007000000023333-5.dat	modiloader_stage2
behavioral2/memory/5092-8-0x0000000000400000-0x000000000041B000-memory.dmp	modiloader_stage2
behavioral2/memory/2420-13-0x0000000010000000-0x000000001000C000-memory.dmp	modiloader_stage2
behavioral2/memory/2088-25-0x0000000010000000-0x000000001000C000-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-1-5-21-1904519900-954640453-4250331663-1000\Control Panel\International\Geo\Nation	e8cfee0d6b806782b539573677462894_JaffaCakes118.exe

Executes dropped EXE 4 IoCs

pid	Process
2420	Systemloader.exe
3836	Systemloader.exe
2088	ctfmon32.exe
2820	ctfmon32.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\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Services M7 = "ctfmon32.exe"	Systemloader.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2420 set thread context of 3836	2420	Systemloader.exe	97
PID 2088 set thread context of 2820	2088	ctfmon32.exe	108

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\ctfmon32.exe	Systemloader.exe
File opened for modification	C:\Windows\ctfmon32.exe	Systemloader.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 5092 wrote to memory of 2420	5092	e8cfee0d6b806782b539573677462894_JaffaCakes118.exe	96
PID 5092 wrote to memory of 2420	5092	e8cfee0d6b806782b539573677462894_JaffaCakes118.exe	96
PID 5092 wrote to memory of 2420	5092	e8cfee0d6b806782b539573677462894_JaffaCakes118.exe	96
PID 2420 wrote to memory of 3836	2420	Systemloader.exe	97
PID 2420 wrote to memory of 3836	2420	Systemloader.exe	97
PID 2420 wrote to memory of 3836	2420	Systemloader.exe	97
PID 2420 wrote to memory of 3836	2420	Systemloader.exe	97
PID 2420 wrote to memory of 3836	2420	Systemloader.exe	97
PID 3836 wrote to memory of 2088	3836	Systemloader.exe	107
PID 3836 wrote to memory of 2088	3836	Systemloader.exe	107
PID 3836 wrote to memory of 2088	3836	Systemloader.exe	107
PID 2088 wrote to memory of 2820	2088	ctfmon32.exe	108
PID 2088 wrote to memory of 2820	2088	ctfmon32.exe	108
PID 2088 wrote to memory of 2820	2088	ctfmon32.exe	108
PID 2088 wrote to memory of 2820	2088	ctfmon32.exe	108
PID 2088 wrote to memory of 2820	2088	ctfmon32.exe	108

C:\Users\Admin\AppData\Local\Temp\e8cfee0d6b806782b539573677462894_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e8cfee0d6b806782b539573677462894_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:5092
- C:\Systemloader.exe
  "C:\Systemloader.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:2420
- - C:\Systemloader.exe
    C:\Systemloader.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - Drops file in Windows directory
    - Suspicious use of WriteProcessMemory
    PID:3836
  - - C:\Windows\ctfmon32.exe
      "C:\Windows\ctfmon32.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      Suspicious use of WriteProcessMemory
      PID:2088
    - - C:\Windows\ctfmon32.exe
        
        C:\Windows\ctfmon32.exe
        5⤵
        Executes dropped EXE
        
        PID:2820

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=2700 --field-trial-handle=2264,i,13734085038406049477,12426093271221802693,262144 --variations-seed-version /prefetch:8
1⤵
PID:4956

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

Support.Scr

Path C:\Support.Scr
Size 39KB
SHA256 1c720034e3a522781e6ed6229f449df5ea7e515b465cf9e69f302f036b3ca4f3
MD5 c77dcc7f2749c037dfa8ad8d3865e187
SHA1 2c9aab9dc22aed651693114d41e29e8d4e0b8510
SHA512 103fe188d36e05b515a159ea2bbf5d1d5fe68346b0700b987bc380d250ddf20282eef3485e0fac080362822567ace70c292ee0432f802e458b61bcac37f1b28a
SSDEEP 768:S1YsjBhISYXPxmx5LYsQXDJ8hPKqQYC8kmofCLM7z2xfNMruntsHXVFU:S1YcIpo8Fi0Gkffx2xWHX8
MD5 SHA1 SHA512 SSDEEP

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Systemloader.exe

Path C:\Systemloader.exe
Size 22KB
SHA256 b632e67b6e4b6c417c3e39e1c15ca2762158a01e81a3e5e1157ec6acd379779f
MD5 1b58ac36575d9c69123aaba7aef86e8a
SHA1 21146726066641d70a3f800d339b428f8042f714
SHA512 503ab01530714abf076f786e397e14b0c08e31fe3e3bcb6a0e38c2c767e65cb5c5755f131c426ce290a7bfe73876a3c36225da258db2ca4a5dc583d4aca0af6e
SSDEEP 384:2ezeiyiVy8Nin2A5H9CeOAgYUL1PXA1tABymXBaMD97:oec8N0hQeOllA1O8k
MD5 SHA1 SHA512 SSDEEP

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memory/2088-25-0x0000000010000000-0x000000001000C000-memory.dmp

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memory/2420-13-0x0000000010000000-0x000000001000C000-memory.dmp

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memory/2820-28-0x0000000000400000-0x0000000000451000-memory.dmp

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memory/3836-11-0x0000000000400000-0x0000000000451000-memory.dmp

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memory/3836-15-0x0000000000400000-0x0000000000451000-memory.dmp

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memory/3836-16-0x0000000000400000-0x0000000000451000-memory.dmp

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memory/3836-17-0x0000000000400000-0x0000000000451000-memory.dmp

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memory/3836-29-0x0000000000400000-0x0000000000451000-memory.dmp

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memory/5092-8-0x0000000000400000-0x000000000041B000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads