4068cd1fc7ecc98609d8d9a009ab1a495daed1b9f69cfdc9b828bfa8aff6496d

General

Target

eed86f1144fcf03372ff75621a514f50_JaffaCakes118.exe
Size

173KB
MD5

eed86f1144fcf03372ff75621a514f50
SHA1

9fc5729ea95bcb0ac0359ca94bfba173e808a527
SHA256

4068cd1fc7ecc98609d8d9a009ab1a495daed1b9f69cfdc9b828bfa8aff6496d
SHA512

abec772cbd1a5f91b75f85f62e7d2e55bd42221f899a40206b0b83acdfeb760754d17513954ddc822fbbccc6a78dd5c64ca1704d8b0089418bde7f75d63ef8db
SSDEEP

3072:6Jb6Q4L03yHPAVBSJxvqlD5n8DwCOCACPNc05zK4jp+eiJeNPtJwCTwV3x4M9:UbCL0sASKdWc05zN+dJ0PtaAgL

Score

10^/10

discovery persistence spyware stealer 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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe,C:\\Users\\Admin\\AppData\\Roaming\\dwm.exe"	eed86f1144fcf03372ff75621a514f50_JaffaCakes118.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2684-1-0x0000000000400000-0x000000000048D000-memory.dmp	upx
behavioral1/memory/2684-2-0x0000000000400000-0x000000000048D000-memory.dmp	upx
behavioral1/memory/1908-6-0x0000000000400000-0x000000000048D000-memory.dmp	upx
behavioral1/memory/1908-8-0x0000000000400000-0x000000000048D000-memory.dmp	upx
behavioral1/memory/2684-16-0x0000000000400000-0x000000000048D000-memory.dmp	upx
behavioral1/memory/2684-81-0x0000000000400000-0x000000000048D000-memory.dmp	upx
behavioral1/memory/1456-83-0x0000000000400000-0x000000000048D000-memory.dmp	upx
behavioral1/memory/1456-85-0x0000000000400000-0x000000000048D000-memory.dmp	upx
behavioral1/memory/2684-188-0x0000000000400000-0x000000000048D000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 3 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	eed86f1144fcf03372ff75621a514f50_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eed86f1144fcf03372ff75621a514f50_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eed86f1144fcf03372ff75621a514f50_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2684 wrote to memory of 1908	2684	eed86f1144fcf03372ff75621a514f50_JaffaCakes118.exe	30
PID 2684 wrote to memory of 1908	2684	eed86f1144fcf03372ff75621a514f50_JaffaCakes118.exe	30
PID 2684 wrote to memory of 1908	2684	eed86f1144fcf03372ff75621a514f50_JaffaCakes118.exe	30
PID 2684 wrote to memory of 1908	2684	eed86f1144fcf03372ff75621a514f50_JaffaCakes118.exe	30
PID 2684 wrote to memory of 1456	2684	eed86f1144fcf03372ff75621a514f50_JaffaCakes118.exe	32
PID 2684 wrote to memory of 1456	2684	eed86f1144fcf03372ff75621a514f50_JaffaCakes118.exe	32
PID 2684 wrote to memory of 1456	2684	eed86f1144fcf03372ff75621a514f50_JaffaCakes118.exe	32
PID 2684 wrote to memory of 1456	2684	eed86f1144fcf03372ff75621a514f50_JaffaCakes118.exe	32

C:\Users\Admin\AppData\Local\Temp\eed86f1144fcf03372ff75621a514f50_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\eed86f1144fcf03372ff75621a514f50_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2684
- C:\Users\Admin\AppData\Local\Temp\eed86f1144fcf03372ff75621a514f50_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\eed86f1144fcf03372ff75621a514f50_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1908
- C:\Users\Admin\AppData\Local\Temp\eed86f1144fcf03372ff75621a514f50_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\eed86f1144fcf03372ff75621a514f50_JaffaCakes118.exe startC:\Users\Admin\AppData\Local\Temp\csrss.exe%C:\Users\Admin\AppData\Local\Temp
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1456

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

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\729D.BE1

Filesize
1KB

MD5
c8fc3939b1f10f114b2af7c8ab00c8e7

SHA1
96760e60da3d32393f64e97e6412819db9062912

SHA256
5f28f3ba1170bd9381fead5ac346d282e31a1ffc7ba86d02db209a25a1f9ca31

SHA512
fc7b3956bd8ed66f90508f9af1a06996b5232db23e0b98af1405afa43386e1cc875aba6062ef5b58b8c3889911d9e65b405d57b0e66134746ce358f2c10462a3

Download Submit
C:\Users\Admin\AppData\Roaming\729D.BE1

Filesize
600B

MD5
e2a10dd78d79d534713b6497f94ad2ff

SHA1
66b23907aab277563dface7d51b965406fc3cde6

SHA256
77e9ee35ad97438d6221b4111c6c8ad258f4ae1c5aab6bd6ca141c4350cee00e

SHA512
4a9a64a4ba6372121cbd98efddcded0cb34369a45e9619abae073385cd13a3f60d88fb26b143358cbfcc2ddf0364d06d21bbaa2612abec9e99e708430fdbfd5d

Download Submit
C:\Users\Admin\AppData\Roaming\729D.BE1

Filesize
996B

MD5
0bd7ddfef9e11d734854e6685b3c302f

SHA1
82f34c9de3f1ec161ea8b01abe1fd29d6a82f63a

SHA256
7f4245f7c6db12c4268396aeebe376799da4e31f4ef8a25b8ecf410cc9d7c3b9

SHA512
8c1dcdc4ab857a240a77efb3b2c403de07dde58b09bc6a9416fe78528eea6a897197d1a97e3795b51abe95d7dd46c8fcb3542ccb777cc0bd97feae95914ed726

Download Submit
memory/1456-85-0x0000000000400000-0x000000000048D000-memory.dmp

Filesize
564KB

Download
memory/1456-83-0x0000000000400000-0x000000000048D000-memory.dmp

Filesize
564KB

Download
memory/1908-8-0x0000000000400000-0x000000000048D000-memory.dmp

Filesize
564KB

Download
memory/1908-6-0x0000000000400000-0x000000000048D000-memory.dmp

Filesize
564KB

Download
memory/1908-5-0x0000000000400000-0x000000000048D000-memory.dmp

Filesize
564KB

Download
memory/2684-16-0x0000000000400000-0x000000000048D000-memory.dmp

Filesize
564KB

Download
memory/2684-81-0x0000000000400000-0x000000000048D000-memory.dmp

Filesize
564KB

Download
memory/2684-1-0x0000000000400000-0x000000000048D000-memory.dmp

Filesize
564KB

Download
memory/2684-2-0x0000000000400000-0x000000000048D000-memory.dmp

Filesize
564KB

Download
memory/2684-188-0x0000000000400000-0x000000000048D000-memory.dmp

Filesize
564KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads