78e9c86506ae241fced8d29a3971da840e0022031ac259e4abbfe7f428f24e02

Analysis

max time kernel
142s
max time network
126s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
24/12/2023, 23:53

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

1af9c1248a805fdedcb9f0351b95ba57.exe
Size

30KB
MD5

1af9c1248a805fdedcb9f0351b95ba57
SHA1

34c64a1eaf47c9250f45220ba34fe989c7fb45c7
SHA256

78e9c86506ae241fced8d29a3971da840e0022031ac259e4abbfe7f428f24e02
SHA512

1d656b1c660d12cb60632a523b30db7b030314abe2d331c31f2f61ffc5efbe1d06c1cb3e01c28985dead223a5bb09908c279680240ae2189ded3b0ae7819e36a
SSDEEP

768:XocAX3LKew369lp2z3Sd4baFXLjwP/Tgj93b8NIocVSEFif:SKcR4mjD9r823Fy

Score

7^/10

persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2740	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/2276-0-0x00000000010B0000-0x00000000010C7000-memory.dmp	upx
behavioral1/memory/2276-8-0x00000000010B0000-0x00000000010C7000-memory.dmp	upx
behavioral1/memory/2740-12-0x0000000000BE0000-0x0000000000BF7000-memory.dmp	upx
behavioral1/files/0x000d0000000122e8-10.dat	upx
behavioral1/files/0x000a000000012243-15.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"	1af9c1248a805fdedcb9f0351b95ba57.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	CTS.exe
File created	C:\Windows\CTS.exe	1af9c1248a805fdedcb9f0351b95ba57.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2276	1af9c1248a805fdedcb9f0351b95ba57.exe
Token: SeDebugPrivilege	2740	CTS.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2276 wrote to memory of 2740	2276	1af9c1248a805fdedcb9f0351b95ba57.exe	28
PID 2276 wrote to memory of 2740	2276	1af9c1248a805fdedcb9f0351b95ba57.exe	28
PID 2276 wrote to memory of 2740	2276	1af9c1248a805fdedcb9f0351b95ba57.exe	28
PID 2276 wrote to memory of 2740	2276	1af9c1248a805fdedcb9f0351b95ba57.exe	28

C:\Users\Admin\AppData\Local\Temp\1af9c1248a805fdedcb9f0351b95ba57.exe
"C:\Users\Admin\AppData\Local\Temp\1af9c1248a805fdedcb9f0351b95ba57.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2276
- 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:2740

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\bEsbLqbzx3GfMlj.exe

Filesize
30KB

MD5
8142c8c72b28588e5d6827c4f6fac390

SHA1
ea235babc6cbe4dd5c24097b9e9dad2374bb9cdf

SHA256
644962a2e96c3b61f9a3f288fb159c218adde785b9807ed01379d0ab730e6eb9

SHA512
608028e3dea14fddc6051441fb18d51aa81f971193e22133b16e287c66a968035fb53c9d2f6e92f76f6140e34ee9cb305053e69e20e343b3bada263ceee131ff

Download Submit
C:\Windows\CTS.exe

Filesize
29KB

MD5
70aa23c9229741a9b52e5ce388a883ac

SHA1
b42683e21e13de3f71db26635954d992ebe7119e

SHA256
9d25cc704b1c00c9d17903e25ca35c319663e997cb9da0b116790b639e9688f2

SHA512
be604a2ad5ab8a3e5edb8901016a76042ba873c8d05b4ef8eec31241377ec6b2a883b51c6912dc7640581ffa624547db334683975883ae74e62808b5ae9ab0b5

Download Submit
memory/2276-0-0x00000000010B0000-0x00000000010C7000-memory.dmp

Filesize
92KB

Download
memory/2276-8-0x00000000010B0000-0x00000000010C7000-memory.dmp

Filesize
92KB

Download
memory/2276-11-0x0000000000BE0000-0x0000000000BF7000-memory.dmp

Filesize
92KB

Download
memory/2740-12-0x0000000000BE0000-0x0000000000BF7000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads