7746a21ed430db583c495ab631cb7bf30b1ddfe97949802134ddba93518363a7

Analysis

max time kernel
141s
max time network
123s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
26/01/2024, 12:00

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General

Target

774cdbe22080e3f26c1c3c999aa9efeb.exe
Size

281KB
MD5

774cdbe22080e3f26c1c3c999aa9efeb
SHA1

b030e3954a9b18672224a67700b75f4c87a4d36a
SHA256

7746a21ed430db583c495ab631cb7bf30b1ddfe97949802134ddba93518363a7
SHA512

d967538c86ca21a0bb508191e9d1bb4ecd3894c1217041e4d5dc6bb65d03f019484ac69e54cb45906a4195e727651ee38a911a6015d08dad994f43d96dde1b9d
SSDEEP

6144:hGyGrtpCQMmcOY0AvQnlTDyQWbXi1SuFsGk:h3/LmfYgRd+MSu6

Score

7^/10

persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
2348	6K0KULPLfNCwNJn.exe
2776	CTS.exe

Loads dropped DLL 2 IoCs

pid	Process
1872	774cdbe22080e3f26c1c3c999aa9efeb.exe
1872	774cdbe22080e3f26c1c3c999aa9efeb.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 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/1872-0-0x0000000001290000-0x00000000012A7000-memory.dmp	upx
behavioral1/memory/1872-14-0x0000000001290000-0x00000000012A7000-memory.dmp	upx
behavioral1/memory/2776-18-0x0000000000F60000-0x0000000000F77000-memory.dmp	upx
behavioral1/files/0x000a000000012261-16.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"	774cdbe22080e3f26c1c3c999aa9efeb.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	774cdbe22080e3f26c1c3c999aa9efeb.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1872	774cdbe22080e3f26c1c3c999aa9efeb.exe
Token: SeDebugPrivilege	2776	CTS.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1872 wrote to memory of 2348	1872	774cdbe22080e3f26c1c3c999aa9efeb.exe	28
PID 1872 wrote to memory of 2348	1872	774cdbe22080e3f26c1c3c999aa9efeb.exe	28
PID 1872 wrote to memory of 2348	1872	774cdbe22080e3f26c1c3c999aa9efeb.exe	28
PID 1872 wrote to memory of 2348	1872	774cdbe22080e3f26c1c3c999aa9efeb.exe	28
PID 1872 wrote to memory of 2776	1872	774cdbe22080e3f26c1c3c999aa9efeb.exe	30
PID 1872 wrote to memory of 2776	1872	774cdbe22080e3f26c1c3c999aa9efeb.exe	30
PID 1872 wrote to memory of 2776	1872	774cdbe22080e3f26c1c3c999aa9efeb.exe	30
PID 1872 wrote to memory of 2776	1872	774cdbe22080e3f26c1c3c999aa9efeb.exe	30

C:\Users\Admin\AppData\Local\Temp\774cdbe22080e3f26c1c3c999aa9efeb.exe
"C:\Users\Admin\AppData\Local\Temp\774cdbe22080e3f26c1c3c999aa9efeb.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1872
- C:\Users\Admin\AppData\Local\Temp\6K0KULPLfNCwNJn.exe
  C:\Users\Admin\AppData\Local\Temp\6K0KULPLfNCwNJn.exe
  2⤵
  - Executes dropped EXE
  PID:2348
- 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:2776

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:\Windows\CTS.exe

Filesize
59KB

MD5
5efd390d5f95c8191f5ac33c4db4b143

SHA1
42d81b118815361daa3007f1a40f1576e9a9e0bc

SHA256
6028434636f349d801465f77af3a1e387a9c5032942ca6cadb6506d0800f2a74

SHA512
720fbe253483dc034307a57a2860c8629a760f883603198d1213f5290b7f236bf0f5f237728ebed50962be83dc7dc4abe61a1e9a55218778495fc6580eb20b3d

Download Submit
\Users\Admin\AppData\Local\Temp\6K0KULPLfNCwNJn.exe

Filesize
222KB

MD5
a58fb787b1a3b7799f13050aa52dc848

SHA1
117daee8c96304f852137ad1eff96ac7c08efa20

SHA256
f7255219d602f7920d482692a16458c97ad44eb001e89785b00b11ed33f7ac49

SHA512
2650c651daa7b6f53e7c28af2577ceaf12c22e522f9de26cc74e81a110d1ff4268e8a87e02a4146ee85bdbf41b7c35a968bde242f16e40c121ba755b78f6a1dd

Download Submit
memory/1872-0-0x0000000001290000-0x00000000012A7000-memory.dmp

Filesize
92KB

Download
memory/1872-14-0x0000000001290000-0x00000000012A7000-memory.dmp

Filesize
92KB

Download
memory/1872-17-0x0000000000F60000-0x0000000000F77000-memory.dmp

Filesize
92KB

Download
memory/2776-18-0x0000000000F60000-0x0000000000F77000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads