Malware Analysis Report

2024-08-06 14:52

Sample ID 240418-b9ff1sha8x
Target ba6e7e1e9161199cda53984e8797add7.bin
SHA256 e4d2abb64b06e33dbb6cb728370829dc332b4ea0affe03100b2670d386ad7038
Tags
marsstealer default stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

e4d2abb64b06e33dbb6cb728370829dc332b4ea0affe03100b2670d386ad7038

Threat Level: Known bad

The file ba6e7e1e9161199cda53984e8797add7.bin was found to be: Known bad.

Malicious Activity Summary

marsstealer default stealer

Mars Stealer

Executes dropped EXE

Loads dropped DLL

Checks computer location settings

Enumerates physical storage devices

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK Matrix V13

Initial Access
TA0001
Execution
TA0002
Persistence
TA0003
Privilege Escalation
TA0004
Defense Evasion
TA0005
Credential Access
TA0006
Discovery
TA0007
System Information Discovery
T1082
Query Registry
T1012
Lateral Movement
TA0008
Collection
TA0009
Exfiltration
TA0010
Command and Control
TA0011
Impact
TA0040
Resource Development
TA0042
Reconnaissance
TA0043

Analysis: static1

Detonation Overview

Reported

2024-04-18 01:50

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-18 01:50

Reported

2024-04-18 01:52

Platform

win7-20240220-en

Max time kernel

142s

Max time network

142s

Command Line

"C:\Users\Admin\AppData\Local\Temp\32429b9055e49788020d2baccfd472075a26cbdd1c70d0693150cdf963975775.exe"

Signatures

Mars Stealer

stealer marsstealer

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\Microsoft Visual C++ 2010 x86 Redistributable Setup_10.0.40219\M3KG4QS.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\32429b9055e49788020d2baccfd472075a26cbdd1c70d0693150cdf963975775.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\32429b9055e49788020d2baccfd472075a26cbdd1c70d0693150cdf963975775.exe N/A

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2872 wrote to memory of 2556 N/A C:\Users\Admin\AppData\Local\Temp\32429b9055e49788020d2baccfd472075a26cbdd1c70d0693150cdf963975775.exe C:\Users\Admin\AppData\Local\Temp\Microsoft Visual C++ 2010 x86 Redistributable Setup_10.0.40219\M3KG4QS.exe
PID 2872 wrote to memory of 2556 N/A C:\Users\Admin\AppData\Local\Temp\32429b9055e49788020d2baccfd472075a26cbdd1c70d0693150cdf963975775.exe C:\Users\Admin\AppData\Local\Temp\Microsoft Visual C++ 2010 x86 Redistributable Setup_10.0.40219\M3KG4QS.exe
PID 2872 wrote to memory of 2556 N/A C:\Users\Admin\AppData\Local\Temp\32429b9055e49788020d2baccfd472075a26cbdd1c70d0693150cdf963975775.exe C:\Users\Admin\AppData\Local\Temp\Microsoft Visual C++ 2010 x86 Redistributable Setup_10.0.40219\M3KG4QS.exe
PID 2872 wrote to memory of 2556 N/A C:\Users\Admin\AppData\Local\Temp\32429b9055e49788020d2baccfd472075a26cbdd1c70d0693150cdf963975775.exe C:\Users\Admin\AppData\Local\Temp\Microsoft Visual C++ 2010 x86 Redistributable Setup_10.0.40219\M3KG4QS.exe

Processes

C:\Users\Admin\AppData\Local\Temp\32429b9055e49788020d2baccfd472075a26cbdd1c70d0693150cdf963975775.exe

"C:\Users\Admin\AppData\Local\Temp\32429b9055e49788020d2baccfd472075a26cbdd1c70d0693150cdf963975775.exe"

C:\Users\Admin\AppData\Local\Temp\Microsoft Visual C++ 2010 x86 Redistributable Setup_10.0.40219\M3KG4QS.exe

"C:\Users\Admin\AppData\Local\Temp\Microsoft Visual C++ 2010 x86 Redistributable Setup_10.0.40219\M3KG4QS.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 kenesrakishev.net udp
US 173.201.180.75:80 kenesrakishev.net tcp
US 173.201.180.75:80 kenesrakishev.net tcp
US 173.201.180.75:80 kenesrakishev.net tcp

Files

memory/2872-0-0x0000000000E00000-0x0000000000EA0000-memory.dmp

memory/2872-1-0x0000000074900000-0x0000000074FEE000-memory.dmp

memory/2872-2-0x0000000004CF0000-0x0000000004D30000-memory.dmp

\Users\Admin\AppData\Local\Temp\Microsoft Visual C++ 2010 x86 Redistributable Setup_10.0.40219\M3KG4QS.exe

MD5 6c919bd1a5cf9a961aabade412f587cb
SHA1 5faaf4f33cb37eae2dc909d9b01c46bd9c7eb198
SHA256 dcfd1325f755080466602c7dcf44588b2e57ba7e59c47ba561d750c0f28a4be1
SHA512 de5a6e11b85ed4c5b13492f0b679f00c419a2d0f2ff06547cd385af34ae0ca3d0de614f082b2b03095e8c10bed2c304e123a2ad4ee56d687aeb5ebbab5399967

memory/2556-14-0x0000000000400000-0x000000000043D000-memory.dmp

memory/2872-13-0x0000000000C10000-0x0000000000C4D000-memory.dmp

memory/2872-12-0x0000000000C10000-0x0000000000C4D000-memory.dmp

memory/2872-15-0x0000000074900000-0x0000000074FEE000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-18 01:50

Reported

2024-04-18 01:53

Platform

win10v2004-20240412-en

Max time kernel

147s

Max time network

154s

Command Line

"C:\Users\Admin\AppData\Local\Temp\32429b9055e49788020d2baccfd472075a26cbdd1c70d0693150cdf963975775.exe"

Signatures

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-4092317236-2027488869-1227795436-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\32429b9055e49788020d2baccfd472075a26cbdd1c70d0693150cdf963975775.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\Adobe\JJ.exe N/A

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3044 wrote to memory of 4916 N/A C:\Users\Admin\AppData\Local\Temp\32429b9055e49788020d2baccfd472075a26cbdd1c70d0693150cdf963975775.exe C:\Users\Admin\AppData\Roaming\Adobe\JJ.exe
PID 3044 wrote to memory of 4916 N/A C:\Users\Admin\AppData\Local\Temp\32429b9055e49788020d2baccfd472075a26cbdd1c70d0693150cdf963975775.exe C:\Users\Admin\AppData\Roaming\Adobe\JJ.exe
PID 3044 wrote to memory of 4916 N/A C:\Users\Admin\AppData\Local\Temp\32429b9055e49788020d2baccfd472075a26cbdd1c70d0693150cdf963975775.exe C:\Users\Admin\AppData\Roaming\Adobe\JJ.exe

Processes

C:\Users\Admin\AppData\Local\Temp\32429b9055e49788020d2baccfd472075a26cbdd1c70d0693150cdf963975775.exe

"C:\Users\Admin\AppData\Local\Temp\32429b9055e49788020d2baccfd472075a26cbdd1c70d0693150cdf963975775.exe"

C:\Users\Admin\AppData\Roaming\Adobe\JJ.exe

"C:\Users\Admin\AppData\Roaming\Adobe\JJ.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 67.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 25.24.18.2.in-addr.arpa udp
US 8.8.8.8:53 21.114.53.23.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 kenesrakishev.net udp
US 173.201.180.75:80 kenesrakishev.net tcp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 138.179.15.23.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 173.201.180.75:80 kenesrakishev.net tcp
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp
US 173.201.180.75:80 kenesrakishev.net tcp
US 8.8.8.8:53 73.239.69.13.in-addr.arpa udp

Files

memory/3044-0-0x0000000000CE0000-0x0000000000D80000-memory.dmp

memory/3044-1-0x0000000074FC0000-0x0000000075770000-memory.dmp

memory/3044-2-0x00000000057E0000-0x00000000057F0000-memory.dmp

C:\Users\Admin\AppData\Roaming\Adobe\JJ.exe

MD5 6c919bd1a5cf9a961aabade412f587cb
SHA1 5faaf4f33cb37eae2dc909d9b01c46bd9c7eb198
SHA256 dcfd1325f755080466602c7dcf44588b2e57ba7e59c47ba561d750c0f28a4be1
SHA512 de5a6e11b85ed4c5b13492f0b679f00c419a2d0f2ff06547cd385af34ae0ca3d0de614f082b2b03095e8c10bed2c304e123a2ad4ee56d687aeb5ebbab5399967

memory/4916-10-0x0000000000400000-0x000000000043D000-memory.dmp

memory/3044-13-0x0000000074FC0000-0x0000000075770000-memory.dmp