f41a20587e2d277d2c061c837b45e602e002096bff0dabc26b8ecd1995015a3a

General

Target

fcc54649b014bfa9299a4433bfe29a5a_JaffaCakes118.exe
Size

318KB
MD5

fcc54649b014bfa9299a4433bfe29a5a
SHA1

02765b81e32a55788abc4500d4dd9732ea4ef229
SHA256

f41a20587e2d277d2c061c837b45e602e002096bff0dabc26b8ecd1995015a3a
SHA512

683e264b8a81ad955a15b8dff1a2b578728ec6ccf117dc5a671324e8229913c1b38d33d7bbfd060a16c59b1e3a5f91c9fe702a11eb91fd356df1f6f080549a85
SSDEEP

6144:hGJkJKWSH3STnGkaCfHW931ZPiMUmTNoKeepZqXSGqL5UUb:hl1n5aCf29bC0qfezyUb

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
2132	5AX0717gLo4OpP6.exe
4952	CTS.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 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3724-0-0x0000000000520000-0x0000000000537000-memory.dmp	upx
behavioral2/files/0x000a000000023401-7.dat	upx
behavioral2/memory/4952-9-0x00000000000D0000-0x00000000000E7000-memory.dmp	upx
behavioral2/memory/3724-10-0x0000000000520000-0x0000000000537000-memory.dmp	upx
behavioral2/files/0x000200000001e800-13.dat	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"	fcc54649b014bfa9299a4433bfe29a5a_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe"	CTS.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\CTS.exe	CTS.exe
File created	C:\Windows\CTS.exe	fcc54649b014bfa9299a4433bfe29a5a_JaffaCakes118.exe

Modifies registry class 8 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.GRF	5AX0717gLo4OpP6.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.GRF\ = "GraphEdtGraph"	5AX0717gLo4OpP6.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\GraphEdtGraph	5AX0717gLo4OpP6.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\GraphEdtGraph\ = "Filter Graph"	5AX0717gLo4OpP6.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\GraphEdtGraph\shell\open\command	5AX0717gLo4OpP6.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\GraphEdtGraph\shell	5AX0717gLo4OpP6.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\GraphEdtGraph\shell\open	5AX0717gLo4OpP6.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\GraphEdtGraph\shell\open\command\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\5AX071~1.EXE \"%1\""	5AX0717gLo4OpP6.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3724	fcc54649b014bfa9299a4433bfe29a5a_JaffaCakes118.exe
Token: SeDebugPrivilege	4952	CTS.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2132	5AX0717gLo4OpP6.exe
2132	5AX0717gLo4OpP6.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 3724 wrote to memory of 2132	3724	fcc54649b014bfa9299a4433bfe29a5a_JaffaCakes118.exe	89
PID 3724 wrote to memory of 2132	3724	fcc54649b014bfa9299a4433bfe29a5a_JaffaCakes118.exe	89
PID 3724 wrote to memory of 4952	3724	fcc54649b014bfa9299a4433bfe29a5a_JaffaCakes118.exe	90
PID 3724 wrote to memory of 4952	3724	fcc54649b014bfa9299a4433bfe29a5a_JaffaCakes118.exe	90
PID 3724 wrote to memory of 4952	3724	fcc54649b014bfa9299a4433bfe29a5a_JaffaCakes118.exe	90

C:\Users\Admin\AppData\Local\Temp\fcc54649b014bfa9299a4433bfe29a5a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fcc54649b014bfa9299a4433bfe29a5a_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3724
- C:\Users\Admin\AppData\Local\Temp\5AX0717gLo4OpP6.exe
  C:\Users\Admin\AppData\Local\Temp\5AX0717gLo4OpP6.exe
  2⤵
  - Executes dropped EXE
  - Modifies registry class
  - Suspicious use of SetWindowsHookEx
  PID:2132
- 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:4952

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\Microsoft\Office\16.0\msoia.exe_Rules.xml

Filesize
30KB

MD5
4a74379fa150719cd0ca25f77e470d49

SHA1
402a7bf185ff9285ac52ed49c7e1cdf16814b7e9

SHA256
ebcd8d11b1d4c3628947f088cc7fdbddd965737ed663161fd973ac694a21daf0

SHA512
fb14319715b8c54aed64833bb247399dca46a4ee66962ab9cfaa6c15c4015e2076f189623ae28a06aa1f92a7dea4d9e2543989d78ba630153df33c16c574fb9c

Download Submit
C:\Users\Admin\AppData\Local\Temp\5AX0717gLo4OpP6.exe

Filesize
288KB

MD5
880e155f8f47fb0db7b2080e71d59568

SHA1
2ed0c0f809765bbabd8c7d4f58e9a0bacf2bb629

SHA256
6011cd7d1a314d109bc0755d17be2e7812b2f5542ec24f3f3023532c1e8a1d44

SHA512
70977d36b8ec8c271c5ffd3303677743a2626196bb62af5d817e86a7eeed972bbb70acdd81508f7b4ee1da366ce02cd96a8d0e6f11627842f195cfd0c53a5bec

Download Submit
C:\Windows\CTS.exe

Filesize
29KB

MD5
70aa23c9229741a9b52e5ce388a883ac

SHA1
b42683e21e13de3f71db26635954d992ebe7119e

SHA256
9d25cc704b1c00c9d17903e25ca35c319663e997cb9da0b116790b639e9688f2

SHA512
be604a2ad5ab8a3e5edb8901016a76042ba873c8d05b4ef8eec31241377ec6b2a883b51c6912dc7640581ffa624547db334683975883ae74e62808b5ae9ab0b5

Download Submit
memory/3724-0-0x0000000000520000-0x0000000000537000-memory.dmp

Filesize
92KB

Download
memory/3724-10-0x0000000000520000-0x0000000000537000-memory.dmp

Filesize
92KB

Download
memory/4952-9-0x00000000000D0000-0x00000000000E7000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads