88cd987421b7810d571cd91ea722eb2731a83c2425a7bf8b0d47480ab7a70af9

General

Target

edc623389ea7cfe31884a79821e21b69_JaffaCakes118.exe
Size

146KB
MD5

edc623389ea7cfe31884a79821e21b69
SHA1

a45eb688b48feb67e942f1a5c0f3ddb897068b12
SHA256

88cd987421b7810d571cd91ea722eb2731a83c2425a7bf8b0d47480ab7a70af9
SHA512

ced0179d5ff54f3c12824872d85e3c4798471af9e1e24d38afed0f400cc1e044a9d8642ca27e0dab85094c932d95b529198aaf00bd75c8c68939f7d41c1a16ce
SSDEEP

3072:LTIOYS71IE6d4WfgJ+Og07Iw3S5GHVvANfuaZyIYlfxu/YWcShby:LkdS10dtfgrg0v33VoNfuaWfQYYby

Score

8^/10

persistence

Malware Config

Signatures

Modifies AppInit DLL entries 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1547.001

Modify Registry
T1112

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-1-5-21-817259280-2658881748-983986378-1000\Control Panel\International\Geo\Nation	edc623389ea7cfe31884a79821e21b69_JaffaCakes118.exe

Loads dropped DLL 4 IoCs

pid	Process
4920	edc623389ea7cfe31884a79821e21b69_JaffaCakes118.exe
5116	rundll32.exe
2464	Process not Found
2504	cmd.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Backinit.dll	edc623389ea7cfe31884a79821e21b69_JaffaCakes118.exe
File opened for modification	C:\Windows\system32\Backinit64.dll	edc623389ea7cfe31884a79821e21b69_JaffaCakes118.exe

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

System Information Discovery
T1082

Program crash 2 IoCs

pid	pid_target	Process	procid_target
2172	2504	WerFault.exe	110
3716	2504	WerFault.exe	110

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4920	edc623389ea7cfe31884a79821e21b69_JaffaCakes118.exe
4920	edc623389ea7cfe31884a79821e21b69_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4920 wrote to memory of 5116	4920	edc623389ea7cfe31884a79821e21b69_JaffaCakes118.exe	108
PID 4920 wrote to memory of 5116	4920	edc623389ea7cfe31884a79821e21b69_JaffaCakes118.exe	108
PID 4920 wrote to memory of 2504	4920	edc623389ea7cfe31884a79821e21b69_JaffaCakes118.exe	110
PID 4920 wrote to memory of 2504	4920	edc623389ea7cfe31884a79821e21b69_JaffaCakes118.exe	110
PID 4920 wrote to memory of 2504	4920	edc623389ea7cfe31884a79821e21b69_JaffaCakes118.exe	110

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
2108	attrib.exe

C:\Users\Admin\AppData\Local\Temp\edc623389ea7cfe31884a79821e21b69_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\edc623389ea7cfe31884a79821e21b69_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4920
- C:\Windows\System32\rundll32.exe
  "C:\Windows\System32\rundll32.exe" "C:\Windows\system32\Backinit64.dll",CreateProcessNotify
  2⤵
  - Loads dropped DLL
  PID:5116
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\240629171.bat" "C:\Users\Admin\AppData\Local\Temp\edc623389ea7cfe31884a79821e21b69_JaffaCakes118.exe""
  2⤵
  - Loads dropped DLL
  PID:2504
- - C:\Windows\SysWOW64\attrib.exe
    attrib -r -s -h"C:\Users\Admin\AppData\Local\Temp\edc623389ea7cfe31884a79821e21b69_JaffaCakes118.exe"
    3⤵
    - Views/modifies file attributes
    PID:2108
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2504 -s 528
    3⤵
    - Program crash
    PID:2172
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2504 -s 536
    3⤵
    - Program crash
    PID:3716

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 2504 -ip 2504
1⤵
PID:2520

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 2504 -ip 2504
1⤵
PID:1844

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=3860 --field-trial-handle=2264,i,7994609493164365963,13212734413040148104,262144 --variations-seed-version /prefetch:8
1⤵
PID:3756

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Hide Artifacts

1

T1564

Hidden Files and Directories

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\240629171.bat

Filesize
69B

MD5
604802586163bdc9eda42f6a471e01ad

SHA1
fc255017a78e3ec103f73c8c8651effe08089c81

SHA256
02f35eec8f33e1ad57621253ee252ca073f6cc16bf9712d89859ffeb6bb49dd3

SHA512
66dc346d7bdcc80fc8ae6894ae10cab306aaf5cf1c1dd750a971d3df37d6f4ac607d188f583d08b526e3df13234cec9c7fa7f9bdc4c4ad187fc83a3506b94888

Download Submit
C:\Windows\SysWOW64\Backinit.dll

Filesize
44KB

MD5
742b5669339ed6ecf52a5328b3d3c874

SHA1
5fef004a394b6978dde2327edd7845fae1048a76

SHA256
36add7ac4ca632a0ad9289c296b4f3fae562c62535c6c3a2cf41ec55db4394db

SHA512
195421ea732a556b1038ed61f8805988e11c69ca8fe4e2d87c23658346c2fd103b95cadbf02fc3b19770929e6fff37cd0fcef624f224e5a5f917dbe656b21b92

Download Submit
C:\Windows\system32\Backinit64.dll

Filesize
49KB

MD5
f3e4546bbd4efcee98ce0b52849eaf93

SHA1
1ed5a64c7fb23e819d4d07be2cf3af8b4a21ec91

SHA256
2fc174a878b943567431dbd617c1b4ddfaf78000ca1091eaa7d711de6c59406e

SHA512
1e37f74891380f1b52e8b680aa74b8f3318648929010cb079c17bc3a2ed7f503ee47ebab8bd3311daa771dab282d35ba6a24dc730a3c9d46deb02810938fb284

Download Submit
memory/2504-21-0x0000000010000000-0x000000001000F000-memory.dmp

Filesize
60KB

Download
memory/4920-1-0x0000000000150000-0x0000000000170000-memory.dmp

Filesize
128KB

Download
memory/4920-2-0x0000000001000000-0x0000000001027000-memory.dmp

Filesize
156KB

Download
memory/4920-7-0x0000000003700000-0x0000000003701000-memory.dmp

Filesize
4KB

Download
memory/4920-8-0x0000000010000000-0x000000001000F000-memory.dmp

Filesize
60KB

Download
memory/4920-16-0x0000000001000000-0x0000000001027000-memory.dmp

Filesize
156KB

Download
memory/5116-12-0x000001E2F44F0000-0x000001E2F44F1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing