402ac768031cb55173222f1f28b0a16309f1a583c964a94d579157e875483e37

General

Target

570f03a9cf0d6a6574275ee7074250bc_JaffaCakes118.exe
Size

44KB
MD5

570f03a9cf0d6a6574275ee7074250bc
SHA1

da1fb716a69f555d6a8f38153cf4d825fefd9bd4
SHA256

402ac768031cb55173222f1f28b0a16309f1a583c964a94d579157e875483e37
SHA512

31ce664e3074e90220e36d10d821710a0c7c942e45c5ca0dbc14bcf13022bb1085f43498b9fd338c9d429714744c69989b62588da2258f86cb54e0fcd7192a06
SSDEEP

768:eyX3LKew369lp2z3Sd4baFXLjwP/Tgj93b8NIo6hFQuode/VgCt9EKv7u57LB/ue:egKcR4mjD9r82/FQuoK+T/B8trQ

Score

7^/10

discovery persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2156	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"	570f03a9cf0d6a6574275ee7074250bc_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/2424-1-0x0000000000120000-0x0000000000137000-memory.dmp	upx
behavioral1/files/0x0008000000017349-7.dat	upx
behavioral1/memory/2424-9-0x0000000000120000-0x0000000000137000-memory.dmp	upx
behavioral1/memory/2156-11-0x0000000000CC0000-0x0000000000CD7000-memory.dmp	upx
behavioral1/files/0x000a0000000120d5-14.dat	upx
behavioral1/memory/2156-17-0x0000000000CC0000-0x0000000000CD7000-memory.dmp	upx

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\CTS.exe	570f03a9cf0d6a6574275ee7074250bc_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	570f03a9cf0d6a6574275ee7074250bc_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2424	570f03a9cf0d6a6574275ee7074250bc_JaffaCakes118.exe
Token: SeDebugPrivilege	2156	CTS.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2424 wrote to memory of 2156	2424	570f03a9cf0d6a6574275ee7074250bc_JaffaCakes118.exe	30
PID 2424 wrote to memory of 2156	2424	570f03a9cf0d6a6574275ee7074250bc_JaffaCakes118.exe	30
PID 2424 wrote to memory of 2156	2424	570f03a9cf0d6a6574275ee7074250bc_JaffaCakes118.exe	30
PID 2424 wrote to memory of 2156	2424	570f03a9cf0d6a6574275ee7074250bc_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\570f03a9cf0d6a6574275ee7074250bc_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\570f03a9cf0d6a6574275ee7074250bc_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:2424
- 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:2156

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\D3gflxsYSZ4GBlR.exe

Filesize
44KB

MD5
cae4d4515c1b34962c62b1e7939866f2

SHA1
556d67194d0e1268f4eedb80fe6acb97835b3c30

SHA256
ae48907e72cfa73a8856688bcce02822d4fb410be134ecef1126fadb64a4b61f

SHA512
125535ffba833cd7f53767948a5c479aa426fbdf3dedf7bec024d1d61f302901e97ee650ad11edbb369e76f0a112b3e7ee9157bafc639d95621ee05f200dd49a

Download Submit
C:\Windows\CTS.exe

Filesize
28KB

MD5
e6150447c894ade7b2b9ee88d5933922

SHA1
dc62f7f9ff1a492adadbc8b6321c0b7b9cd973d1

SHA256
b612d46644d0e4a3829c4d6715f71d979103aa487624805363b36f5b4f92b118

SHA512
d6db2b459723005662a646357bd60ab6e5cf77ab4f83868c91e725e45c32b44900c32724883df6aa4a0e85cbf7441bea159334f3080cfe8e7acec540aa996ff0

Download Submit
memory/2156-11-0x0000000000CC0000-0x0000000000CD7000-memory.dmp

Filesize
92KB

Download
memory/2156-17-0x0000000000CC0000-0x0000000000CD7000-memory.dmp

Filesize
92KB

Download
memory/2424-1-0x0000000000120000-0x0000000000137000-memory.dmp

Filesize
92KB

Download
memory/2424-9-0x0000000000120000-0x0000000000137000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads