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
1572	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 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2552-0-0x0000000000A10000-0x0000000000A27000-memory.dmp	upx
behavioral2/files/0x000d000000023a68-6.dat	upx
behavioral2/memory/1572-8-0x0000000000920000-0x0000000000937000-memory.dmp	upx
behavioral2/memory/2552-9-0x0000000000A10000-0x0000000000A27000-memory.dmp	upx
behavioral2/files/0x000f0000000239cd-13.dat	upx
behavioral2/files/0x000f000000023a30-29.dat	upx
behavioral2/memory/1572-31-0x0000000000920000-0x0000000000937000-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 2 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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2552	570f03a9cf0d6a6574275ee7074250bc_JaffaCakes118.exe
Token: SeDebugPrivilege	1572	CTS.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2552 wrote to memory of 1572	2552	570f03a9cf0d6a6574275ee7074250bc_JaffaCakes118.exe	85
PID 2552 wrote to memory of 1572	2552	570f03a9cf0d6a6574275ee7074250bc_JaffaCakes118.exe	85
PID 2552 wrote to memory of 1572	2552	570f03a9cf0d6a6574275ee7074250bc_JaffaCakes118.exe	85

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:2552
- C:\Windows\CTS.exe
  "C:\Windows\CTS.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:1572

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\Microsoft\Office\16.0\excel.exe_Rules.xml

Filesize
350KB

MD5
23030ac2ca9f449f29f9c3d5496009aa

SHA1
6e9f8e6a4923eabc3be5ce5c42beda318712c07d

SHA256
ee9682409e4872f9769d3509e8823b9ebe8064c3a13ac5299e5781ea1718afb9

SHA512
1966642d81fc19da296850bf0383d2c91fee07758370996a226a8bb3ab05a58c3e7d2d859f50c246416d2432af7db9d48aebc9933bd6effdfa0e58220a4f033a

Download Submit
C:\Users\Admin\AppData\Local\Temp\GxDeAsmrfl6BVxS.exe

Filesize
44KB

MD5
ecf1ca8a99a9c1f1ef752ce67d24f589

SHA1
9c2fba01d43a58c70e38abe9f51fe148ecb1c34e

SHA256
d61bb9ad8c9cfc110600755b4f2df275d81094b9b4e48feced39e66292f89610

SHA512
3ffca3374f7fd5edd611f03d5ca88406eb7c0d80ea620dc2477db9444d026dad9c2c0b3fe8f793b9433048923d0fdf566b25a92527680b466fc58bea9f0469e8

Download Submit
C:\Windows\CTS.exe

Filesize
28KB

MD5
e6150447c894ade7b2b9ee88d5933922

SHA1
dc62f7f9ff1a492adadbc8b6321c0b7b9cd973d1

SHA256
b612d46644d0e4a3829c4d6715f71d979103aa487624805363b36f5b4f92b118

SHA512
d6db2b459723005662a646357bd60ab6e5cf77ab4f83868c91e725e45c32b44900c32724883df6aa4a0e85cbf7441bea159334f3080cfe8e7acec540aa996ff0

Download Submit
memory/1572-8-0x0000000000920000-0x0000000000937000-memory.dmp

Filesize
92KB

Download
memory/1572-31-0x0000000000920000-0x0000000000937000-memory.dmp

Filesize
92KB

Download
memory/2552-0-0x0000000000A10000-0x0000000000A27000-memory.dmp

Filesize
92KB

Download
memory/2552-9-0x0000000000A10000-0x0000000000A27000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads