622ec38350ef232c097f4759f3e978d892f18ffca77febd053017a602025c92c

Analysis

max time kernel
140s
max time network
128s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
19/07/2024, 10:25

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General

Target

5b8a576e4b247184a53f0688601fa265_JaffaCakes118.exe
Size

183KB
MD5

5b8a576e4b247184a53f0688601fa265
SHA1

8677e593d9794a7597f5ede650cc79f8c5d92c0f
SHA256

622ec38350ef232c097f4759f3e978d892f18ffca77febd053017a602025c92c
SHA512

56a489e555bf7257157544654501240213203410c6fdefe93d47d94de67d5b0032c01fd2b60f36eba26e478307d25a3f0aad0013073676b05e76acaa9c96fa55
SSDEEP

3072:0GScvnAigS+b3LNKQenbAr5tzq49hSbCHp7/afzceOAB/s7TjiWLNIVatWtDw6uO:5RvAM+b3CbEtzq4CWBafzZOGeiWatEhw

Score

10^/10

persistence upx

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1705699165-553239100-4129523827-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe,C:\\Users\\Admin\\AppData\\Roaming\\dwm.exe"	5b8a576e4b247184a53f0688601fa265_JaffaCakes118.exe

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1300-1-0x0000000000400000-0x0000000000490000-memory.dmp	upx
behavioral2/memory/4252-7-0x0000000000400000-0x0000000000490000-memory.dmp	upx
behavioral2/memory/4252-8-0x0000000000400000-0x0000000000490000-memory.dmp	upx
behavioral2/memory/4252-9-0x0000000000400000-0x0000000000490000-memory.dmp	upx
behavioral2/memory/1300-43-0x0000000000400000-0x0000000000490000-memory.dmp	upx
behavioral2/memory/3152-104-0x0000000000400000-0x0000000000490000-memory.dmp	upx
behavioral2/memory/1300-106-0x0000000000400000-0x0000000000490000-memory.dmp	upx
behavioral2/memory/1300-171-0x0000000000400000-0x0000000000490000-memory.dmp	upx

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1300 wrote to memory of 4252	1300	5b8a576e4b247184a53f0688601fa265_JaffaCakes118.exe	86
PID 1300 wrote to memory of 4252	1300	5b8a576e4b247184a53f0688601fa265_JaffaCakes118.exe	86
PID 1300 wrote to memory of 4252	1300	5b8a576e4b247184a53f0688601fa265_JaffaCakes118.exe	86
PID 1300 wrote to memory of 3152	1300	5b8a576e4b247184a53f0688601fa265_JaffaCakes118.exe	94
PID 1300 wrote to memory of 3152	1300	5b8a576e4b247184a53f0688601fa265_JaffaCakes118.exe	94
PID 1300 wrote to memory of 3152	1300	5b8a576e4b247184a53f0688601fa265_JaffaCakes118.exe	94

C:\Users\Admin\AppData\Local\Temp\5b8a576e4b247184a53f0688601fa265_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\5b8a576e4b247184a53f0688601fa265_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- Suspicious use of WriteProcessMemory
PID:1300
- C:\Users\Admin\AppData\Local\Temp\5b8a576e4b247184a53f0688601fa265_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\5b8a576e4b247184a53f0688601fa265_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  PID:4252
- C:\Users\Admin\AppData\Local\Temp\5b8a576e4b247184a53f0688601fa265_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\5b8a576e4b247184a53f0688601fa265_JaffaCakes118.exe startC:\Users\Admin\AppData\Local\Temp\csrss.exe%C:\Users\Admin\AppData\Local\Temp
  2⤵
  PID:3152

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\4DE4.753

Filesize
996B

MD5
0a5fb79798622ccac1b35a16da61b9a5

SHA1
4c426f2b269a83d42d73007bf2848671cac262ac

SHA256
1bfbbb9c20b1fda098bddcfc046ecb6708b45490e1f21ceeb5dac05031734201

SHA512
a8c9467319b071b4fd411ccb0751be1c9744d361bbf28820e9a30aab6173f5a80de3d6543b80b6766e155984d6b5b269d5d32dcaeeeaf44d45db724bff6ce0bf

Download Submit
C:\Users\Admin\AppData\Roaming\4DE4.753

Filesize
600B

MD5
d504c154269ea8784efdda847e5dcb4d

SHA1
92bc2d0cee3e0df07569e5188b2c9a23433f3968

SHA256
e35d773681806cd78977f5b090a2b28988edb2b9b4ebded0e393d0428c374c33

SHA512
d7e403ea0e09cc49c1e033f1eb32f2e666f8a5d0c799a925a6025646fccd71d9f6fadf1fef467546a3c0c31a0c07a244484b9cc0bd2b4bc6c3119734b6415fd6

Download Submit
memory/1300-1-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/1300-43-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/1300-106-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/1300-171-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/3152-104-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/3152-105-0x00000000004B7000-0x00000000004D4000-memory.dmp

Filesize
116KB

Download
memory/4252-7-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/4252-8-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/4252-9-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads