18f25368f92e615e37bcbf6b9dd746e78c284fa43e54785f0d1a424ff216584a

General

Target

3b68985626cab622f8b6e7c64992da15_JaffaCakes118.exe
Size

190KB
MD5

3b68985626cab622f8b6e7c64992da15
SHA1

088c23e7452254185bc1d68bc8938dafb74d2e6f
SHA256

18f25368f92e615e37bcbf6b9dd746e78c284fa43e54785f0d1a424ff216584a
SHA512

ea5fc7800890882b9f92e49ed80027a8d23560bdba21ecf7428daff3bd7d4ee559c9acb957c0645dc5b7fed96de63b4f846e5f843422ccaca170b95aab0274d9
SSDEEP

3072:ehp6MQRMEJMxrYZCX2lx775d5NSpu6s2Wcy4rYnXZpMGPa4eRskmKgKWlPIE:ehpmFMdPX2lx77efs2WcyHnXZfax+KA

Score

10^/10

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-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe,C:\\Users\\Admin\\AppData\\Roaming\\dwm.exe"	3b68985626cab622f8b6e7c64992da15_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 10 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2376-1-0x0000000000400000-0x000000000046B000-memory.dmp	upx
behavioral1/memory/2376-3-0x0000000000400000-0x000000000046B000-memory.dmp	upx
behavioral1/memory/2272-7-0x0000000000400000-0x000000000046B000-memory.dmp	upx
behavioral1/memory/2272-8-0x0000000000400000-0x000000000046B000-memory.dmp	upx
behavioral1/memory/2376-68-0x0000000000400000-0x000000000046B000-memory.dmp	upx
behavioral1/memory/2544-71-0x0000000000400000-0x000000000046B000-memory.dmp	upx
behavioral1/memory/2544-70-0x0000000000400000-0x000000000046B000-memory.dmp	upx
behavioral1/memory/2544-73-0x0000000000400000-0x000000000046B000-memory.dmp	upx
behavioral1/memory/2376-129-0x0000000000400000-0x000000000046B000-memory.dmp	upx
behavioral1/memory/2376-171-0x0000000000400000-0x000000000046B000-memory.dmp	upx

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2376 wrote to memory of 2272	2376	3b68985626cab622f8b6e7c64992da15_JaffaCakes118.exe	30
PID 2376 wrote to memory of 2272	2376	3b68985626cab622f8b6e7c64992da15_JaffaCakes118.exe	30
PID 2376 wrote to memory of 2272	2376	3b68985626cab622f8b6e7c64992da15_JaffaCakes118.exe	30
PID 2376 wrote to memory of 2272	2376	3b68985626cab622f8b6e7c64992da15_JaffaCakes118.exe	30
PID 2376 wrote to memory of 2544	2376	3b68985626cab622f8b6e7c64992da15_JaffaCakes118.exe	32
PID 2376 wrote to memory of 2544	2376	3b68985626cab622f8b6e7c64992da15_JaffaCakes118.exe	32
PID 2376 wrote to memory of 2544	2376	3b68985626cab622f8b6e7c64992da15_JaffaCakes118.exe	32
PID 2376 wrote to memory of 2544	2376	3b68985626cab622f8b6e7c64992da15_JaffaCakes118.exe	32

C:\Users\Admin\AppData\Local\Temp\3b68985626cab622f8b6e7c64992da15_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\3b68985626cab622f8b6e7c64992da15_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- Suspicious use of WriteProcessMemory
PID:2376
- C:\Users\Admin\AppData\Local\Temp\3b68985626cab622f8b6e7c64992da15_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\3b68985626cab622f8b6e7c64992da15_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  PID:2272
- C:\Users\Admin\AppData\Local\Temp\3b68985626cab622f8b6e7c64992da15_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\3b68985626cab622f8b6e7c64992da15_JaffaCakes118.exe startC:\Users\Admin\AppData\Local\Temp\csrss.exe%C:\Users\Admin\AppData\Local\Temp
  2⤵
  PID:2544

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

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\DFCC.286

Filesize
600B

MD5
023672eb08b046d9473163d55923f26c

SHA1
960fd49533af48cfed23f8d880c2fc31545bf28a

SHA256
491b537cc528837ebec2861728bff9b31f3ab7efbd1e0f6426abb7bd906c0083

SHA512
29eed29de125b15c9f015d20d3122438c2f0a8c2dec68e266e444414f84c3cb36a367ba8e3ca17e433effb26529cda8cd0301361d788da67cf3ed62dcb287383

Download Submit
C:\Users\Admin\AppData\Roaming\DFCC.286

Filesize
1KB

MD5
018d6f6338731c28f82f34b024c38703

SHA1
ec8a74c1d2339bf850ec092cd3bd3a5fde8501ad

SHA256
cdc80de755ba0c13e6662d99636f44da517d01e7b9179a961fb2e62a54ab330a

SHA512
42cbe7550e901e90fd168d0c3d27bb34ebbe077ea5e1be4d6a5a48a1d762aa52a154231ba761ae36d8e74c5baf760b2e0c9f29f9e0c942ad933500d91882053f

Download Submit
C:\Users\Admin\AppData\Roaming\DFCC.286

Filesize
996B

MD5
2fa6e3a699269323d47575d42b6990da

SHA1
15752e41892d08b6e35a5c10e89ef57a96e02419

SHA256
5dd347db725a8a870b1db52b2b3cdd26917350dfd921d66d0bbb89da308bc7ec

SHA512
cf3bff19ac203a5c05399024c951c95f84d15732b3c3d1ab87cb3a04bcddd8bae9d389e81f2e88926ab57f40f7c0d48d62d595e67d73e21c1522c7d8cbef71fa

Download Submit
memory/2272-8-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/2272-7-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/2376-1-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/2376-68-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/2376-129-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/2376-3-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/2376-171-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/2544-71-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/2544-70-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/2544-73-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads