8180bb8cbfc1690d06dd41e01c96df9e2cb26a544637583e4b3443ee10726033

Analysis

max time kernel
150s
max time network
124s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
30-12-2023 23:09

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General

Target

1f7d46a403674350705a54efa953489b.exe
Size

30KB
MD5

1f7d46a403674350705a54efa953489b
SHA1

de56826f9365cb099b7a0670caa46e73279be055
SHA256

8180bb8cbfc1690d06dd41e01c96df9e2cb26a544637583e4b3443ee10726033
SHA512

fc5057ce4b30fa5a9bb47825721bd6da0edb886d971ee3ac0b9cf19da807b06290cb952f271f07ca229092d4e55255d9edd0d7794bca8589ac983c46833212ee
SSDEEP

768:XocAX3LKew369lp2z3Sd4baFXLjwP/Tgj93b8NIocVSEFLp:SKcR4mjD9r823FLp

Score

7^/10

persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2328	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/2448-8-0x0000000000380000-0x0000000000397000-memory.dmp	upx
behavioral1/memory/2328-12-0x0000000000CA0000-0x0000000000CB7000-memory.dmp	upx
behavioral1/files/0x000d000000012716-10.dat	upx
behavioral1/memory/2448-4-0x0000000000380000-0x0000000000397000-memory.dmp	upx
behavioral1/files/0x000c000000012247-15.dat	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"	1f7d46a403674350705a54efa953489b.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	1f7d46a403674350705a54efa953489b.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2448	1f7d46a403674350705a54efa953489b.exe
Token: SeDebugPrivilege	2328	CTS.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2448 wrote to memory of 2328	2448	1f7d46a403674350705a54efa953489b.exe	28
PID 2448 wrote to memory of 2328	2448	1f7d46a403674350705a54efa953489b.exe	28
PID 2448 wrote to memory of 2328	2448	1f7d46a403674350705a54efa953489b.exe	28
PID 2448 wrote to memory of 2328	2448	1f7d46a403674350705a54efa953489b.exe	28

C:\Users\Admin\AppData\Local\Temp\1f7d46a403674350705a54efa953489b.exe
"C:\Users\Admin\AppData\Local\Temp\1f7d46a403674350705a54efa953489b.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2448
- 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:2328

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\rH00xD1rdcpoLh9.exe

Filesize
30KB

MD5
382aa3fea302c49919e3a1f47b2887e0

SHA1
cd2bdc986e5b1c003778d24386324e6a7af755fe

SHA256
f1d35a54fcefae0edb3ac66572a5e9336ad2b49454ab8a36c3cf81125ca5711a

SHA512
f919b70721e6908884715a7bab3cc6199a5b702cf65ad3b820d535c57c71ab39cbe80fa244e6ddccfedb20ec0615e5cceb3d26de73f74df02689a43604d66adb

Download Submit
C:\Windows\CTS.exe

Filesize
29KB

MD5
70aa23c9229741a9b52e5ce388a883ac

SHA1
b42683e21e13de3f71db26635954d992ebe7119e

SHA256
9d25cc704b1c00c9d17903e25ca35c319663e997cb9da0b116790b639e9688f2

SHA512
be604a2ad5ab8a3e5edb8901016a76042ba873c8d05b4ef8eec31241377ec6b2a883b51c6912dc7640581ffa624547db334683975883ae74e62808b5ae9ab0b5

Download Submit
memory/2328-12-0x0000000000CA0000-0x0000000000CB7000-memory.dmp

Filesize
92KB

Download
memory/2448-8-0x0000000000380000-0x0000000000397000-memory.dmp

Filesize
92KB

Download
memory/2448-11-0x0000000000200000-0x0000000000217000-memory.dmp

Filesize
92KB

Download
memory/2448-4-0x0000000000380000-0x0000000000397000-memory.dmp

Filesize
92KB

Download
memory/2448-19-0x0000000000200000-0x0000000000217000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads