5fcf065f668321bec7e9a93292e28517f040a0ba9afd8fbd3b77296bf2e83451

General

Target

28a6aea6422d131520db0db4f4bdabcf_JaffaCakes118.exe
Size

41KB
MD5

28a6aea6422d131520db0db4f4bdabcf
SHA1

22109ec30112a0f93eaba3007adad7ac6777e980
SHA256

5fcf065f668321bec7e9a93292e28517f040a0ba9afd8fbd3b77296bf2e83451
SHA512

48c5549e398d29cfbaf4afdf38d71a6193c8c40ebb8498747d59664a9de8358aecfb011e7653e79360d9cd5a1fc40cc2a0d87c81ae63ddd9eea6384ac32672a5
SSDEEP

768:eyX3LKew369lp2z3Sd4baFXLjwP/Tgj93b8NIoNFCh2zupChiX2cpdW/:egKcR4mjD9r82GKshiXk/

Score

7^/10

discovery persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2784	CTS.exe

Reads user/profile data of web browsers 3 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

Credentials from Web Browsers
T1555.003

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"	28a6aea6422d131520db0db4f4bdabcf_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe"	CTS.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2668-0-0x0000000000150000-0x0000000000167000-memory.dmp	upx
behavioral1/memory/2668-9-0x0000000000150000-0x0000000000167000-memory.dmp	upx
behavioral1/memory/2784-11-0x0000000000AA0000-0x0000000000AB7000-memory.dmp	upx
behavioral1/files/0x0008000000017520-10.dat	upx
behavioral1/files/0x000d00000001225f-14.dat	upx
behavioral1/memory/2784-17-0x0000000000AA0000-0x0000000000AB7000-memory.dmp	upx

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\CTS.exe	28a6aea6422d131520db0db4f4bdabcf_JaffaCakes118.exe
File created	C:\Windows\CTS.exe	CTS.exe

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	28a6aea6422d131520db0db4f4bdabcf_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2668	28a6aea6422d131520db0db4f4bdabcf_JaffaCakes118.exe
Token: SeDebugPrivilege	2784	CTS.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2668 wrote to memory of 2784	2668	28a6aea6422d131520db0db4f4bdabcf_JaffaCakes118.exe	30
PID 2668 wrote to memory of 2784	2668	28a6aea6422d131520db0db4f4bdabcf_JaffaCakes118.exe	30
PID 2668 wrote to memory of 2784	2668	28a6aea6422d131520db0db4f4bdabcf_JaffaCakes118.exe	30
PID 2668 wrote to memory of 2784	2668	28a6aea6422d131520db0db4f4bdabcf_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\28a6aea6422d131520db0db4f4bdabcf_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\28a6aea6422d131520db0db4f4bdabcf_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2668
- 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:2784

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

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\abifXLkf7vhkJr8.exe

Filesize
41KB

MD5
afa3cf514c6b3f555485bc10050ff9d2

SHA1
756f85064cea3ac76fc9a3e24d9a2552e6da50b6

SHA256
479563037d6884291eb97d210cc78100582157e22545d75234aa0a028b8453d9

SHA512
fcab022f10093ac138e06459a8361f3f4bf5558e9a8fa3a15beca8cb3a872931266fedea9c97aedd8ad2eeba0ce3b526b91bddfacfafb0994a00843bf0d0652f

Download Submit
C:\Windows\CTS.exe

Filesize
28KB

MD5
e6150447c894ade7b2b9ee88d5933922

SHA1
dc62f7f9ff1a492adadbc8b6321c0b7b9cd973d1

SHA256
b612d46644d0e4a3829c4d6715f71d979103aa487624805363b36f5b4f92b118

SHA512
d6db2b459723005662a646357bd60ab6e5cf77ab4f83868c91e725e45c32b44900c32724883df6aa4a0e85cbf7441bea159334f3080cfe8e7acec540aa996ff0

Download Submit
memory/2668-0-0x0000000000150000-0x0000000000167000-memory.dmp

Filesize
92KB

Download
memory/2668-9-0x0000000000150000-0x0000000000167000-memory.dmp

Filesize
92KB

Download
memory/2784-11-0x0000000000AA0000-0x0000000000AB7000-memory.dmp

Filesize
92KB

Download
memory/2784-17-0x0000000000AA0000-0x0000000000AB7000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads