99d2df70d5be797c0aef5d31d049df971ad984fbe3360048017d609e5c9932a4

General

Target

3e79de9860576430d44784a35a43f6db_JaffaCakes118.exe
Size

475KB
MD5

3e79de9860576430d44784a35a43f6db
SHA1

bdac8de32ecfede2521f6dfacaf16e80ca0a201e
SHA256

99d2df70d5be797c0aef5d31d049df971ad984fbe3360048017d609e5c9932a4
SHA512

acc483b88cf1cc9eabfdb9ca7e7d327cb259daadc7192f67da2c780d36f6c94ca51b1b88e514c836c3bd72199ffc7e81d4dde67aaa7e6b0aaf7e9f43d5facf45
SSDEEP

12288:SYV+9Bm696pm15vSmALIBcDtVRwUTy3Cb:SvCC9vRjBcDrR9qC

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
2684	bkCUpAib4ywk75m.exe
2524	CTS.exe

Loads dropped DLL 2 IoCs

pid	Process
1244	3e79de9860576430d44784a35a43f6db_JaffaCakes118.exe
1244	3e79de9860576430d44784a35a43f6db_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 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1244-1-0x0000000000B60000-0x0000000000B77000-memory.dmp	upx
behavioral1/files/0x0008000000017520-16.dat	upx
behavioral1/memory/1244-15-0x0000000000B60000-0x0000000000B77000-memory.dmp	upx
behavioral1/memory/2524-19-0x0000000000320000-0x0000000000337000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe"	CTS.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe"	3e79de9860576430d44784a35a43f6db_JaffaCakes118.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\CTS.exe	3e79de9860576430d44784a35a43f6db_JaffaCakes118.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1244	3e79de9860576430d44784a35a43f6db_JaffaCakes118.exe
Token: SeDebugPrivilege	2524	CTS.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1244 wrote to memory of 2684	1244	3e79de9860576430d44784a35a43f6db_JaffaCakes118.exe	30
PID 1244 wrote to memory of 2684	1244	3e79de9860576430d44784a35a43f6db_JaffaCakes118.exe	30
PID 1244 wrote to memory of 2684	1244	3e79de9860576430d44784a35a43f6db_JaffaCakes118.exe	30
PID 1244 wrote to memory of 2684	1244	3e79de9860576430d44784a35a43f6db_JaffaCakes118.exe	30
PID 1244 wrote to memory of 2524	1244	3e79de9860576430d44784a35a43f6db_JaffaCakes118.exe	31
PID 1244 wrote to memory of 2524	1244	3e79de9860576430d44784a35a43f6db_JaffaCakes118.exe	31
PID 1244 wrote to memory of 2524	1244	3e79de9860576430d44784a35a43f6db_JaffaCakes118.exe	31
PID 1244 wrote to memory of 2524	1244	3e79de9860576430d44784a35a43f6db_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\3e79de9860576430d44784a35a43f6db_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\3e79de9860576430d44784a35a43f6db_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1244
- C:\Users\Admin\AppData\Local\Temp\bkCUpAib4ywk75m.exe
  C:\Users\Admin\AppData\Local\Temp\bkCUpAib4ywk75m.exe
  2⤵
  - Executes dropped EXE
  PID:2684
- C:\Windows\CTS.exe
  "C:\Windows\CTS.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Drops file in Windows directory
  - Suspicious use of AdjustPrivilegeToken
  PID:2524

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\bkCUpAib4ywk75m.exe

Filesize
447KB

MD5
3f461ca3e3d9da036cf1a4a06ddf4fb4

SHA1
15395e4b656cee3a708bc50c1094e3fa0c46802e

SHA256
cd8e84c1f8d1ee3a7014343e3fb236329d2b67c1ec233ea4b208d99e3f95105b

SHA512
d0cb3f56db648c9ee151990260a864cdcd0d508a1dafcd741d8b2ccd8f73ba29607f384a4e2752502419cfd4a41d2288d7c3ffec93925be85fc39dad9c01e7f5

Download Submit
C:\Windows\CTS.exe

Filesize
28KB

MD5
e6150447c894ade7b2b9ee88d5933922

SHA1
dc62f7f9ff1a492adadbc8b6321c0b7b9cd973d1

SHA256
b612d46644d0e4a3829c4d6715f71d979103aa487624805363b36f5b4f92b118

SHA512
d6db2b459723005662a646357bd60ab6e5cf77ab4f83868c91e725e45c32b44900c32724883df6aa4a0e85cbf7441bea159334f3080cfe8e7acec540aa996ff0

Download Submit
memory/1244-1-0x0000000000B60000-0x0000000000B77000-memory.dmp

Filesize
92KB

Download
memory/1244-15-0x0000000000B60000-0x0000000000B77000-memory.dmp

Filesize
92KB

Download
memory/2524-19-0x0000000000320000-0x0000000000337000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads