ae67c6c848df69c041ad4afd63da026e25c3fac04a5820701d95530acce5b509

General

Target

ab002967c1a93920a04da73c07a58e15_JaffaCakes118.exe
Size

141KB
MD5

ab002967c1a93920a04da73c07a58e15
SHA1

fe8fe4d41ccc6c26f4c03182db2baec429837661
SHA256

ae67c6c848df69c041ad4afd63da026e25c3fac04a5820701d95530acce5b509
SHA512

6b6bceec9c8f42ccda72a3cd68c2387092a60c52813b200a9be5eed9ca4b28a6586649ca1238bea01b39b963529ed8246a26532790398f6b1b7fb228717842f5
SSDEEP

3072:SKcWmjRrz3ZKcWmjRrz35Z1PxoBDFt4a4d4WFF6IQpPSPeivZ6eqhnrZ1:hGyG5Z1aBpia4OWT6pPWeivEZ1

Score

7^/10

discovery persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2028	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
behavioral1/memory/2780-0-0x0000000000F60000-0x0000000000F77000-memory.dmp	upx
behavioral1/files/0x002c000000016caf-7.dat	upx
behavioral1/memory/2780-9-0x0000000000F60000-0x0000000000F77000-memory.dmp	upx
behavioral1/memory/2028-12-0x0000000001320000-0x0000000001337000-memory.dmp	upx
behavioral1/memory/2028-65-0x0000000001320000-0x0000000001337000-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"	ab002967c1a93920a04da73c07a58e15_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	ab002967c1a93920a04da73c07a58e15_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	ab002967c1a93920a04da73c07a58e15_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2780	ab002967c1a93920a04da73c07a58e15_JaffaCakes118.exe
Token: SeDebugPrivilege	2028	CTS.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2780 wrote to memory of 2028	2780	ab002967c1a93920a04da73c07a58e15_JaffaCakes118.exe	30
PID 2780 wrote to memory of 2028	2780	ab002967c1a93920a04da73c07a58e15_JaffaCakes118.exe	30
PID 2780 wrote to memory of 2028	2780	ab002967c1a93920a04da73c07a58e15_JaffaCakes118.exe	30
PID 2780 wrote to memory of 2028	2780	ab002967c1a93920a04da73c07a58e15_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\ab002967c1a93920a04da73c07a58e15_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ab002967c1a93920a04da73c07a58e15_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:2780
- 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:2028

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

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\cEnC0TX4A4BDv3v.exe

Filesize
82KB

MD5
9f09f72985d2cf134f6c347c3b8acc14

SHA1
41ba4f918d860cb71234b56b5d995c1669ba0bf8

SHA256
dad8c577480575b793cfae79289dab3c5ba2ea736d74b041863c4ac889165fbc

SHA512
a4c267da0877006284d23380c5e85445d3e07a2b8048e6a7d2f1aeb7422abec780360f5cc95728f42b012d08daee59ee4631ea600f57a868fc5c109283057ae8

Download Submit
C:\Windows\CTS.exe

Filesize
59KB

MD5
5efd390d5f95c8191f5ac33c4db4b143

SHA1
42d81b118815361daa3007f1a40f1576e9a9e0bc

SHA256
6028434636f349d801465f77af3a1e387a9c5032942ca6cadb6506d0800f2a74

SHA512
720fbe253483dc034307a57a2860c8629a760f883603198d1213f5290b7f236bf0f5f237728ebed50962be83dc7dc4abe61a1e9a55218778495fc6580eb20b3d

Download Submit
memory/2028-12-0x0000000001320000-0x0000000001337000-memory.dmp

Filesize
92KB

Download
memory/2028-65-0x0000000001320000-0x0000000001337000-memory.dmp

Filesize
92KB

Download
memory/2780-0-0x0000000000F60000-0x0000000000F77000-memory.dmp

Filesize
92KB

Download
memory/2780-9-0x0000000000F60000-0x0000000000F77000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads