74cb115c00d95ad8b9d31498252638036f0117776dc81698e85e18b59d8d7bd6

General

Target

b389face833ea8e03cd134b6b3e061d3_JaffaCakes118.exe
Size

182KB
MD5

b389face833ea8e03cd134b6b3e061d3
SHA1

59033e2a0f173a2e523368db10139e1f4059dba6
SHA256

74cb115c00d95ad8b9d31498252638036f0117776dc81698e85e18b59d8d7bd6
SHA512

0f942c058549f20535f52489f454ccd85753968a10193a0fc00257b593ef4ef849fb46ca1924e9bc7c410352e2749045b8f20b85e922a34096c5a6ebc26fb6bb
SSDEEP

3072:YrOscJZSn/s5UiJSCtkOMP3vZpCIcArNS+h3FtqaZS8aQA50Ax8KUsZOepqoY:rqs5Ugg3vZpvrpZP4dQAy+8KUOOes

Score

10^/10

discovery 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-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe,C:\\Users\\Admin\\AppData\\Roaming\\dwm.exe"	b389face833ea8e03cd134b6b3e061d3_JaffaCakes118.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1120-2-0x0000000000400000-0x0000000000490000-memory.dmp	upx
behavioral2/memory/2212-12-0x0000000000400000-0x0000000000490000-memory.dmp	upx
behavioral2/memory/2212-13-0x0000000000400000-0x0000000000490000-memory.dmp	upx
behavioral2/memory/2212-15-0x0000000000400000-0x0000000000490000-memory.dmp	upx
behavioral2/memory/1120-16-0x0000000000400000-0x0000000000490000-memory.dmp	upx
behavioral2/memory/2156-83-0x0000000000400000-0x0000000000490000-memory.dmp	upx
behavioral2/memory/1120-84-0x0000000000400000-0x0000000000490000-memory.dmp	upx
behavioral2/memory/1120-193-0x0000000000400000-0x0000000000490000-memory.dmp	upx
behavioral2/memory/1120-194-0x0000000000400000-0x0000000000490000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b389face833ea8e03cd134b6b3e061d3_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1120 wrote to memory of 2212	1120	b389face833ea8e03cd134b6b3e061d3_JaffaCakes118.exe	85
PID 1120 wrote to memory of 2212	1120	b389face833ea8e03cd134b6b3e061d3_JaffaCakes118.exe	85
PID 1120 wrote to memory of 2212	1120	b389face833ea8e03cd134b6b3e061d3_JaffaCakes118.exe	85
PID 1120 wrote to memory of 2156	1120	b389face833ea8e03cd134b6b3e061d3_JaffaCakes118.exe	90
PID 1120 wrote to memory of 2156	1120	b389face833ea8e03cd134b6b3e061d3_JaffaCakes118.exe	90
PID 1120 wrote to memory of 2156	1120	b389face833ea8e03cd134b6b3e061d3_JaffaCakes118.exe	90

C:\Users\Admin\AppData\Local\Temp\b389face833ea8e03cd134b6b3e061d3_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b389face833ea8e03cd134b6b3e061d3_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1120
- C:\Users\Admin\AppData\Local\Temp\b389face833ea8e03cd134b6b3e061d3_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\b389face833ea8e03cd134b6b3e061d3_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  PID:2212
- C:\Users\Admin\AppData\Local\Temp\b389face833ea8e03cd134b6b3e061d3_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\b389face833ea8e03cd134b6b3e061d3_JaffaCakes118.exe startC:\Users\Admin\AppData\Local\Temp\csrss.exe%C:\Users\Admin\AppData\Local\Temp
  2⤵
  PID:2156

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Winlogon Helper DLL

1

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Winlogon Helper DLL

1

T1547.004

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\58BC.7CC

Filesize
1KB

MD5
b06583e02ece7182e7517ce552079411

SHA1
46c78b659b64d4a2c3f4fd05c9d7e734578c89a4

SHA256
bf3b9b5545439a6917e79eba1a2ab5cc832b6fd77bf207100f1f3ff231f696e2

SHA512
e7def45cad358237fafff383be491886006c6a68321ffd509dc18a6fa5a81687afd358ae154910522b644cc8702ef93aaf87acf0f26e30cdf29070b0458c213c

Download Submit
C:\Users\Admin\AppData\Roaming\58BC.7CC

Filesize
600B

MD5
2e87cdee2e5f49e315423ae7f0415dc8

SHA1
35b6333098ce698abf225bffe5cb719da9447837

SHA256
6e0f11dd31e1b565115d5b8cf8cbcf5968d68cde6b9ef23ca51f71d6cef34782

SHA512
c4cc0599a5480d859c75cf45beb8d72b98c5f442dfa986802fec62edf72f1c71c850cc29433f290bb5b8ca774b9d3dc0c892b9c5e36758fb0d855beb8d9c1ca0

Download Submit
C:\Users\Admin\AppData\Roaming\58BC.7CC

Filesize
996B

MD5
026507a9857847d11fe7d04c6bf7605e

SHA1
a1baea093c396a0ca53d14244891462a57b57cb5

SHA256
b9d7bb288f78f6b8b682deb4b4c7eb6b53aa0bcfa4977a9a41a66f747e512702

SHA512
4807529d469e5a55dcadf1da8ef355196124b2966896387e7b33ac91b416eff09478629d9317b5b6ea92cc10afbac58a07ff7ef6c329888660ae65f4239ff79a

Download Submit
memory/1120-16-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/1120-84-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/1120-1-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/1120-2-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/1120-193-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/1120-194-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/2156-83-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/2212-13-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/2212-15-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/2212-12-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads