2daa4ecbc410fbadcbfd1d45e03aed80c6f6c23f0ff952f82bf4c5fee580d341

Analysis

max time kernel
141s
max time network
123s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
19/04/2024, 05:14

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General

Target

f9952e47358b4b2c1603c5e918e4076d_JaffaCakes118.exe
Size

75KB
MD5

f9952e47358b4b2c1603c5e918e4076d
SHA1

58fb70f44ba09624e25f97614ec076369569af11
SHA256

2daa4ecbc410fbadcbfd1d45e03aed80c6f6c23f0ff952f82bf4c5fee580d341
SHA512

c6d8319a4520b4079e79d4b21063d86bf103d32fc83b513221e94b289ada49049ac0bb98615be03e87120c3aaa63b9e48e71b7f89c54b22af0524d9efccb127a
SSDEEP

1536:SKcR4mjD9r823FHKcR4mjD9r823F3/MtlUrZY8O:SKcWmjRrz3ZKcWmjRrz3Z/MtliiL

Score

7^/10

persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2744	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/2340-0-0x00000000003D0000-0x00000000003E7000-memory.dmp	upx
behavioral1/files/0x0009000000012272-11.dat	upx
behavioral1/memory/2340-8-0x00000000003D0000-0x00000000003E7000-memory.dmp	upx
behavioral1/memory/2340-9-0x00000000000E0000-0x00000000000F7000-memory.dmp	upx
behavioral1/memory/2744-12-0x0000000001320000-0x0000000001337000-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"	f9952e47358b4b2c1603c5e918e4076d_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	f9952e47358b4b2c1603c5e918e4076d_JaffaCakes118.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2340	f9952e47358b4b2c1603c5e918e4076d_JaffaCakes118.exe
Token: SeDebugPrivilege	2744	CTS.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2340 wrote to memory of 2744	2340	f9952e47358b4b2c1603c5e918e4076d_JaffaCakes118.exe	28
PID 2340 wrote to memory of 2744	2340	f9952e47358b4b2c1603c5e918e4076d_JaffaCakes118.exe	28
PID 2340 wrote to memory of 2744	2340	f9952e47358b4b2c1603c5e918e4076d_JaffaCakes118.exe	28
PID 2340 wrote to memory of 2744	2340	f9952e47358b4b2c1603c5e918e4076d_JaffaCakes118.exe	28

C:\Users\Admin\AppData\Local\Temp\f9952e47358b4b2c1603c5e918e4076d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f9952e47358b4b2c1603c5e918e4076d_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2340
- 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:2744

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\xQlGgAzqTK8wNpJ.exe

Filesize
16KB

MD5
0609bc2d68501fa7a7fbf76836c004eb

SHA1
bbdd32670dad2bc8bc4687b9ab867d56007ec686

SHA256
98886318582fc213987bbe76ea66518d525793abe753138178ebdf44c69697f4

SHA512
21ee474f36c6cb42f4a4bd8fbfd959708343bad96363cd0a7b0ce08631e0105ccdfa4ba01a79309b3e3344e66080be7e3f7967b46da39816b5aaacaaa7d41afb

Download Submit
C:\Windows\CTS.exe

Filesize
59KB

MD5
5efd390d5f95c8191f5ac33c4db4b143

SHA1
42d81b118815361daa3007f1a40f1576e9a9e0bc

SHA256
6028434636f349d801465f77af3a1e387a9c5032942ca6cadb6506d0800f2a74

SHA512
720fbe253483dc034307a57a2860c8629a760f883603198d1213f5290b7f236bf0f5f237728ebed50962be83dc7dc4abe61a1e9a55218778495fc6580eb20b3d

Download Submit
memory/2340-0-0x00000000003D0000-0x00000000003E7000-memory.dmp

Filesize
92KB

Download
memory/2340-8-0x00000000003D0000-0x00000000003E7000-memory.dmp

Filesize
92KB

Download
memory/2340-9-0x00000000000E0000-0x00000000000F7000-memory.dmp

Filesize
92KB

Download
memory/2744-12-0x0000000001320000-0x0000000001337000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads