048621ecf8f25133b2b09d512bb0fe15fc274ec7cb2ccc966aeb44d7a88beb5b

Analysis

max time kernel
150s
max time network
49s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
29/04/2024, 14:46

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General

Target

07e99b2f572b84af5c4504c23f1653bb_JaffaCakes118.exe
Size

139KB
MD5

07e99b2f572b84af5c4504c23f1653bb
SHA1

0ae4e6e6fa1b1f8161a74525d4cb5a1808abfaf4
SHA256

048621ecf8f25133b2b09d512bb0fe15fc274ec7cb2ccc966aeb44d7a88beb5b
SHA512

db5332ec426845b5ac38050b2789cc9cb988b27b81832de53a654e354130a2840b9e25c7486c2b9b75958f1e9a8d8d65fcfc3a6929cf56792acacb78cbcc1014
SSDEEP

3072:dxObYFYLjikGSZ6yYD5WNwgaV5KbwmfAYCQ4ETp:6EFdkFYtW2ganowiAM4Ed

Score

7^/10

persistence

Malware Config

Signatures

Loads dropped DLL 2 IoCs

pid	Process
4124	07e99b2f572b84af5c4504c23f1653bb_JaffaCakes118.exe
3372	explorer.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-1-5-21-17203666-93769886-2545153620-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\20eaf = "rundll32.exe \"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\20eaf.dll\",_0eaf"	explorer.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
3372	explorer.exe
3372	explorer.exe
3372	explorer.exe
3372	explorer.exe
3372	explorer.exe
3372	explorer.exe
3372	explorer.exe
3372	explorer.exe
3372	explorer.exe
3372	explorer.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4124	07e99b2f572b84af5c4504c23f1653bb_JaffaCakes118.exe
Token: SeDebugPrivilege	3372	explorer.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4124 wrote to memory of 3372	4124	07e99b2f572b84af5c4504c23f1653bb_JaffaCakes118.exe	87
PID 4124 wrote to memory of 3372	4124	07e99b2f572b84af5c4504c23f1653bb_JaffaCakes118.exe	87
PID 4124 wrote to memory of 3372	4124	07e99b2f572b84af5c4504c23f1653bb_JaffaCakes118.exe	87
PID 4124 wrote to memory of 3372	4124	07e99b2f572b84af5c4504c23f1653bb_JaffaCakes118.exe	87

C:\Users\Admin\AppData\Local\Temp\07e99b2f572b84af5c4504c23f1653bb_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\07e99b2f572b84af5c4504c23f1653bb_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4124
- C:\Windows\SysWOW64\explorer.exe
  explorer.exe
  2⤵
  - Loads dropped DLL
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3372

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\20eaf.dll

Filesize
104KB

MD5
9831947e651ce5ea222acd5b47e74496

SHA1
fe4020fc0977b2b738cf1bd14ba8d7b84567e139

SHA256
db1a6dfdafdc0dabdd40a1cc6eac074ed5e19527eb251103ccd06d1cabb882f5

SHA512
9366282f71dab1cc8ecd33d44c51888301f2466eb7e6808680c36f404b75ea12cad787d88bddd80d0e4446ab9f5fe363c387c77fcf79d9159f2e2e1f8f02e84a

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