c3bbbb934219c7fc8e17f8f6f789d437d73d0c42a7603168d9f0da740554e1eb

Analysis

max time kernel
166s
max time network
133s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
06/01/2024, 16:05

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General

Target

46a412a3a5ab708b5eac42d51688e34a.exe
Size

30KB
MD5

46a412a3a5ab708b5eac42d51688e34a
SHA1

bd1f15955e73f1624ed6b6783c8a6ad230318b8b
SHA256

c3bbbb934219c7fc8e17f8f6f789d437d73d0c42a7603168d9f0da740554e1eb
SHA512

6c1bf004ab64b65992cf335b3d68d9089307ae44d3f4e4345f89268d608beaf80115b24dcebb7e4f4e5b33a6266f7eb586bdf5b520e5e3ef805a2fcf99f4d7cb
SSDEEP

768:XocAX3LKew369lp2z3Sd4baFXLjwP/Tgj93b8NIocVSEFCI:SKcR4mjD9r823Fz

Score

7^/10

persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2748	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/2748-13-0x0000000000DA0000-0x0000000000DB7000-memory.dmp	upx
behavioral1/memory/2864-8-0x0000000000AE0000-0x0000000000AF7000-memory.dmp	upx
behavioral1/files/0x0009000000012270-7.dat	upx
behavioral1/memory/2864-1-0x0000000000AE0000-0x0000000000AF7000-memory.dmp	upx
behavioral1/files/0x000c000000012256-15.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"	46a412a3a5ab708b5eac42d51688e34a.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	46a412a3a5ab708b5eac42d51688e34a.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2864	46a412a3a5ab708b5eac42d51688e34a.exe
Token: SeDebugPrivilege	2748	CTS.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2864 wrote to memory of 2748	2864	46a412a3a5ab708b5eac42d51688e34a.exe	16
PID 2864 wrote to memory of 2748	2864	46a412a3a5ab708b5eac42d51688e34a.exe	16
PID 2864 wrote to memory of 2748	2864	46a412a3a5ab708b5eac42d51688e34a.exe	16
PID 2864 wrote to memory of 2748	2864	46a412a3a5ab708b5eac42d51688e34a.exe	16

C:\Users\Admin\AppData\Local\Temp\46a412a3a5ab708b5eac42d51688e34a.exe
"C:\Users\Admin\AppData\Local\Temp\46a412a3a5ab708b5eac42d51688e34a.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2864
- 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:2748

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\gHD2xjWQmRp2Xa3.exe

Filesize
30KB

MD5
7d5014721eb3368eb4c9ff043ae641eb

SHA1
78364972b0ac92ef736d639758ac9d18b0f39194

SHA256
77842f0fbe03de9145aa27ba165d1c5f7460d38fcc8d2d8c726d2d7a305e2a84

SHA512
afb798013cf34187ec7cc07d1d112b030c794a4c2f0b7376e19a3c31acf941f9b4156ae1b363264e89dfe265bc2bd9e382eaaf94848140898a80abf7d613950c

Download Submit
C:\Windows\CTS.exe

Filesize
29KB

MD5
70aa23c9229741a9b52e5ce388a883ac

SHA1
b42683e21e13de3f71db26635954d992ebe7119e

SHA256
9d25cc704b1c00c9d17903e25ca35c319663e997cb9da0b116790b639e9688f2

SHA512
be604a2ad5ab8a3e5edb8901016a76042ba873c8d05b4ef8eec31241377ec6b2a883b51c6912dc7640581ffa624547db334683975883ae74e62808b5ae9ab0b5

Download Submit
memory/2748-13-0x0000000000DA0000-0x0000000000DB7000-memory.dmp

Filesize
92KB

Download
memory/2864-9-0x0000000000070000-0x0000000000087000-memory.dmp

Filesize
92KB

Download
memory/2864-12-0x0000000000070000-0x0000000000087000-memory.dmp

Filesize
92KB

Download
memory/2864-8-0x0000000000AE0000-0x0000000000AF7000-memory.dmp

Filesize
92KB

Download
memory/2864-1-0x0000000000AE0000-0x0000000000AF7000-memory.dmp

Filesize
92KB

Download
memory/2864-20-0x0000000000070000-0x0000000000087000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads