Malware Analysis Report

2024-09-22 16:26

Sample ID 240118-vdp55aecd4
Target 658a6fa6804da49a4c6da4d69a19ce5e
SHA256 9039617680414a7f00e32f4df348c8ecd5be21dfb2366789e114cde1ed82be16
Tags
fickerstealer infostealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

9039617680414a7f00e32f4df348c8ecd5be21dfb2366789e114cde1ed82be16

Threat Level: Known bad

The file 658a6fa6804da49a4c6da4d69a19ce5e was found to be: Known bad.

Malicious Activity Summary

fickerstealer infostealer

Fickerstealer

Looks up external IP address via web service

Suspicious use of SetThreadContext

Program crash

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-01-18 16:52

Signatures

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-01-18 16:52

Reported

2024-01-18 16:55

Platform

win10v2004-20231222-en

Max time kernel

145s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\658a6fa6804da49a4c6da4d69a19ce5e.exe"

Signatures

Fickerstealer

infostealer fickerstealer

Looks up external IP address via web service

Description Indicator Process Target
N/A api.ipify.org N/A N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 4784 set thread context of 1916 N/A C:\Users\Admin\AppData\Local\Temp\658a6fa6804da49a4c6da4d69a19ce5e.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeManageVolumePrivilege N/A C:\Windows\System32\svchost.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\658a6fa6804da49a4c6da4d69a19ce5e.exe

"C:\Users\Admin\AppData\Local\Temp\658a6fa6804da49a4c6da4d69a19ce5e.exe"

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe

"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4784 -ip 4784

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4784 -s 272

C:\Windows\system32\rundll32.exe

"C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe

C:\Windows\System32\svchost.exe

C:\Windows\System32\svchost.exe -k UnistackSvcGroup

Network

Country Destination Domain Proto
US 8.8.8.8:53 6.181.190.20.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 187.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 208.194.73.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 api.ipify.org udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 104.237.62.211:80 api.ipify.org tcp
RU 91.241.19.100:80 tcp
US 8.8.8.8:53 211.62.237.104.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 146.78.124.51.in-addr.arpa udp
US 8.8.8.8:53 183.1.37.23.in-addr.arpa udp
US 8.8.8.8:53 119.110.54.20.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 204.178.17.96.in-addr.arpa udp
RU 91.241.19.100:80 tcp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 200.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 74.134.221.88.in-addr.arpa udp
RU 91.241.19.100:80 tcp
US 8.8.8.8:53 179.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
RU 91.241.19.100:80 tcp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
RU 91.241.19.100:80 tcp
US 8.8.8.8:53 udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
RU 91.241.19.100:80 tcp
RU 91.241.19.100:80 tcp
US 8.8.8.8:53 123.10.44.20.in-addr.arpa udp

Files

memory/1916-0-0x0000000000400000-0x000000000044F000-memory.dmp

memory/4784-3-0x0000000000CA0000-0x0000000000D12000-memory.dmp

memory/1916-18-0x0000000000400000-0x000000000044F000-memory.dmp

C:\ProgramData\kaosdma.txt

MD5 8cf4dec152a9d79a3d62202b886eda9b
SHA1 0c1b3d3d02c0b655aa3526a58486b84872f18cc2
SHA256 c30e56c9c8fe30ffa4a4ff712cf2fa1808ee82ca258cd4c8ebefcc82250b6c01
SHA512 a5a65f0604f8553d0be07bd5214db52d3f167e7511d29cb64e3fa9d8c510cc79976ff2a5acb9b8c09b666f306ac8e4ad389f9a2de3ca46d57b1e91060a4c50fd

memory/3240-24-0x0000025D5D860000-0x0000025D5D870000-memory.dmp

memory/3240-40-0x0000025D5D960000-0x0000025D5D970000-memory.dmp

memory/3240-56-0x0000025D65CD0000-0x0000025D65CD1000-memory.dmp

memory/3240-58-0x0000025D65D00000-0x0000025D65D01000-memory.dmp

memory/3240-59-0x0000025D65D00000-0x0000025D65D01000-memory.dmp

memory/3240-60-0x0000025D65E10000-0x0000025D65E11000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-01-18 16:52

Reported

2024-01-18 16:55

Platform

win7-20231215-en

Max time kernel

137s

Max time network

146s

Command Line

"C:\Users\Admin\AppData\Local\Temp\658a6fa6804da49a4c6da4d69a19ce5e.exe"

Signatures

Fickerstealer

infostealer fickerstealer

Looks up external IP address via web service

Description Indicator Process Target
N/A api.ipify.org N/A N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1848 set thread context of 2080 N/A C:\Users\Admin\AppData\Local\Temp\658a6fa6804da49a4c6da4d69a19ce5e.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1848 wrote to memory of 2080 N/A C:\Users\Admin\AppData\Local\Temp\658a6fa6804da49a4c6da4d69a19ce5e.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 1848 wrote to memory of 2080 N/A C:\Users\Admin\AppData\Local\Temp\658a6fa6804da49a4c6da4d69a19ce5e.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 1848 wrote to memory of 2080 N/A C:\Users\Admin\AppData\Local\Temp\658a6fa6804da49a4c6da4d69a19ce5e.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 1848 wrote to memory of 2080 N/A C:\Users\Admin\AppData\Local\Temp\658a6fa6804da49a4c6da4d69a19ce5e.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 1848 wrote to memory of 2080 N/A C:\Users\Admin\AppData\Local\Temp\658a6fa6804da49a4c6da4d69a19ce5e.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 1848 wrote to memory of 2080 N/A C:\Users\Admin\AppData\Local\Temp\658a6fa6804da49a4c6da4d69a19ce5e.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 1848 wrote to memory of 2080 N/A C:\Users\Admin\AppData\Local\Temp\658a6fa6804da49a4c6da4d69a19ce5e.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 1848 wrote to memory of 2080 N/A C:\Users\Admin\AppData\Local\Temp\658a6fa6804da49a4c6da4d69a19ce5e.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 1848 wrote to memory of 2080 N/A C:\Users\Admin\AppData\Local\Temp\658a6fa6804da49a4c6da4d69a19ce5e.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 1848 wrote to memory of 2672 N/A C:\Users\Admin\AppData\Local\Temp\658a6fa6804da49a4c6da4d69a19ce5e.exe C:\Windows\SysWOW64\WerFault.exe
PID 1848 wrote to memory of 2672 N/A C:\Users\Admin\AppData\Local\Temp\658a6fa6804da49a4c6da4d69a19ce5e.exe C:\Windows\SysWOW64\WerFault.exe
PID 1848 wrote to memory of 2672 N/A C:\Users\Admin\AppData\Local\Temp\658a6fa6804da49a4c6da4d69a19ce5e.exe C:\Windows\SysWOW64\WerFault.exe
PID 1848 wrote to memory of 2672 N/A C:\Users\Admin\AppData\Local\Temp\658a6fa6804da49a4c6da4d69a19ce5e.exe C:\Windows\SysWOW64\WerFault.exe

Processes

C:\Users\Admin\AppData\Local\Temp\658a6fa6804da49a4c6da4d69a19ce5e.exe

"C:\Users\Admin\AppData\Local\Temp\658a6fa6804da49a4c6da4d69a19ce5e.exe"

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe

"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1848 -s 92

Network

Country Destination Domain Proto
US 8.8.8.8:53 api.ipify.org udp
US 173.231.16.75:80 api.ipify.org tcp
RU 91.241.19.100:80 tcp
RU 91.241.19.100:80 tcp
RU 91.241.19.100:80 tcp
RU 91.241.19.100:80 tcp
RU 91.241.19.100:80 tcp
RU 91.241.19.100:80 tcp
RU 91.241.19.100:80 tcp

Files

memory/1848-0-0x0000000000CB0000-0x0000000000D22000-memory.dmp

memory/2080-1-0x0000000000400000-0x000000000044F000-memory.dmp

memory/2080-2-0x0000000000400000-0x000000000044F000-memory.dmp

memory/2080-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2080-21-0x0000000000400000-0x000000000044F000-memory.dmp

C:\ProgramData\kaosdma.txt

MD5 8cf4dec152a9d79a3d62202b886eda9b
SHA1 0c1b3d3d02c0b655aa3526a58486b84872f18cc2
SHA256 c30e56c9c8fe30ffa4a4ff712cf2fa1808ee82ca258cd4c8ebefcc82250b6c01
SHA512 a5a65f0604f8553d0be07bd5214db52d3f167e7511d29cb64e3fa9d8c510cc79976ff2a5acb9b8c09b666f306ac8e4ad389f9a2de3ca46d57b1e91060a4c50fd

memory/1848-27-0x0000000000CB0000-0x0000000000D22000-memory.dmp