Malware Analysis Report

2024-09-22 16:27

Sample ID 231227-gkvgjahdf8
Target a615abe4326a1b99d7c2f3f1fccdc332
SHA256 dca0057b493f2c65f2cdd79de9f37d1461219a00d550b6c86d85a66e413a659b
Tags
fickerstealer infostealer
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

dca0057b493f2c65f2cdd79de9f37d1461219a00d550b6c86d85a66e413a659b

Threat Level: Known bad

The file a615abe4326a1b99d7c2f3f1fccdc332 was found to be: Known bad.

Malicious Activity Summary

fickerstealer infostealer

Fickerstealer

Looks up external IP address via web service

Suspicious use of SetThreadContext

Suspicious use of WriteProcessMemory

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2023-12-27 05:52

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-12-27 05:52

Reported

2024-01-07 15:42

Platform

win7-20231215-en

Max time kernel

145s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a615abe4326a1b99d7c2f3f1fccdc332.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 1732 set thread context of 2140 N/A C:\Users\Admin\AppData\Local\Temp\a615abe4326a1b99d7c2f3f1fccdc332.exe C:\Users\Admin\AppData\Local\Temp\a615abe4326a1b99d7c2f3f1fccdc332.exe

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1732 wrote to memory of 2140 N/A C:\Users\Admin\AppData\Local\Temp\a615abe4326a1b99d7c2f3f1fccdc332.exe C:\Users\Admin\AppData\Local\Temp\a615abe4326a1b99d7c2f3f1fccdc332.exe
PID 1732 wrote to memory of 2140 N/A C:\Users\Admin\AppData\Local\Temp\a615abe4326a1b99d7c2f3f1fccdc332.exe C:\Users\Admin\AppData\Local\Temp\a615abe4326a1b99d7c2f3f1fccdc332.exe
PID 1732 wrote to memory of 2140 N/A C:\Users\Admin\AppData\Local\Temp\a615abe4326a1b99d7c2f3f1fccdc332.exe C:\Users\Admin\AppData\Local\Temp\a615abe4326a1b99d7c2f3f1fccdc332.exe
PID 1732 wrote to memory of 2140 N/A C:\Users\Admin\AppData\Local\Temp\a615abe4326a1b99d7c2f3f1fccdc332.exe C:\Users\Admin\AppData\Local\Temp\a615abe4326a1b99d7c2f3f1fccdc332.exe
PID 1732 wrote to memory of 2140 N/A C:\Users\Admin\AppData\Local\Temp\a615abe4326a1b99d7c2f3f1fccdc332.exe C:\Users\Admin\AppData\Local\Temp\a615abe4326a1b99d7c2f3f1fccdc332.exe
PID 1732 wrote to memory of 2140 N/A C:\Users\Admin\AppData\Local\Temp\a615abe4326a1b99d7c2f3f1fccdc332.exe C:\Users\Admin\AppData\Local\Temp\a615abe4326a1b99d7c2f3f1fccdc332.exe
PID 1732 wrote to memory of 2140 N/A C:\Users\Admin\AppData\Local\Temp\a615abe4326a1b99d7c2f3f1fccdc332.exe C:\Users\Admin\AppData\Local\Temp\a615abe4326a1b99d7c2f3f1fccdc332.exe
PID 1732 wrote to memory of 2140 N/A C:\Users\Admin\AppData\Local\Temp\a615abe4326a1b99d7c2f3f1fccdc332.exe C:\Users\Admin\AppData\Local\Temp\a615abe4326a1b99d7c2f3f1fccdc332.exe
PID 1732 wrote to memory of 2140 N/A C:\Users\Admin\AppData\Local\Temp\a615abe4326a1b99d7c2f3f1fccdc332.exe C:\Users\Admin\AppData\Local\Temp\a615abe4326a1b99d7c2f3f1fccdc332.exe
PID 1732 wrote to memory of 2140 N/A C:\Users\Admin\AppData\Local\Temp\a615abe4326a1b99d7c2f3f1fccdc332.exe C:\Users\Admin\AppData\Local\Temp\a615abe4326a1b99d7c2f3f1fccdc332.exe
PID 1732 wrote to memory of 2140 N/A C:\Users\Admin\AppData\Local\Temp\a615abe4326a1b99d7c2f3f1fccdc332.exe C:\Users\Admin\AppData\Local\Temp\a615abe4326a1b99d7c2f3f1fccdc332.exe
PID 1732 wrote to memory of 2140 N/A C:\Users\Admin\AppData\Local\Temp\a615abe4326a1b99d7c2f3f1fccdc332.exe C:\Users\Admin\AppData\Local\Temp\a615abe4326a1b99d7c2f3f1fccdc332.exe
PID 1732 wrote to memory of 2140 N/A C:\Users\Admin\AppData\Local\Temp\a615abe4326a1b99d7c2f3f1fccdc332.exe C:\Users\Admin\AppData\Local\Temp\a615abe4326a1b99d7c2f3f1fccdc332.exe
PID 1732 wrote to memory of 2140 N/A C:\Users\Admin\AppData\Local\Temp\a615abe4326a1b99d7c2f3f1fccdc332.exe C:\Users\Admin\AppData\Local\Temp\a615abe4326a1b99d7c2f3f1fccdc332.exe
PID 1732 wrote to memory of 2140 N/A C:\Users\Admin\AppData\Local\Temp\a615abe4326a1b99d7c2f3f1fccdc332.exe C:\Users\Admin\AppData\Local\Temp\a615abe4326a1b99d7c2f3f1fccdc332.exe
PID 1732 wrote to memory of 2140 N/A C:\Users\Admin\AppData\Local\Temp\a615abe4326a1b99d7c2f3f1fccdc332.exe C:\Users\Admin\AppData\Local\Temp\a615abe4326a1b99d7c2f3f1fccdc332.exe
PID 1732 wrote to memory of 2140 N/A C:\Users\Admin\AppData\Local\Temp\a615abe4326a1b99d7c2f3f1fccdc332.exe C:\Users\Admin\AppData\Local\Temp\a615abe4326a1b99d7c2f3f1fccdc332.exe
PID 1732 wrote to memory of 2140 N/A C:\Users\Admin\AppData\Local\Temp\a615abe4326a1b99d7c2f3f1fccdc332.exe C:\Users\Admin\AppData\Local\Temp\a615abe4326a1b99d7c2f3f1fccdc332.exe
PID 1732 wrote to memory of 2140 N/A C:\Users\Admin\AppData\Local\Temp\a615abe4326a1b99d7c2f3f1fccdc332.exe C:\Users\Admin\AppData\Local\Temp\a615abe4326a1b99d7c2f3f1fccdc332.exe
PID 1732 wrote to memory of 2140 N/A C:\Users\Admin\AppData\Local\Temp\a615abe4326a1b99d7c2f3f1fccdc332.exe C:\Users\Admin\AppData\Local\Temp\a615abe4326a1b99d7c2f3f1fccdc332.exe

Processes

C:\Users\Admin\AppData\Local\Temp\a615abe4326a1b99d7c2f3f1fccdc332.exe

"C:\Users\Admin\AppData\Local\Temp\a615abe4326a1b99d7c2f3f1fccdc332.exe"

C:\Users\Admin\AppData\Local\Temp\a615abe4326a1b99d7c2f3f1fccdc332.exe

"C:\Users\Admin\AppData\Local\Temp\a615abe4326a1b99d7c2f3f1fccdc332.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 api.ipify.org udp
US 173.231.16.77:80 api.ipify.org tcp
RU 80.87.192.115:80 tcp
RU 80.87.192.115:80 tcp
RU 80.87.192.115:80 tcp
RU 80.87.192.115:80 tcp
RU 80.87.192.115:80 tcp
RU 80.87.192.115:80 tcp
RU 80.87.192.115:80 tcp

Files

memory/1732-1-0x0000000000630000-0x0000000000730000-memory.dmp

memory/1732-2-0x0000000000220000-0x0000000000267000-memory.dmp

memory/2140-5-0x0000000000400000-0x000000000044F000-memory.dmp

memory/2140-3-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2140-7-0x0000000000400000-0x000000000044F000-memory.dmp

memory/2140-8-0x0000000000400000-0x000000000044F000-memory.dmp

C:\ProgramData\kaosdma.txt

MD5 8cf4dec152a9d79a3d62202b886eda9b
SHA1 0c1b3d3d02c0b655aa3526a58486b84872f18cc2
SHA256 c30e56c9c8fe30ffa4a4ff712cf2fa1808ee82ca258cd4c8ebefcc82250b6c01
SHA512 a5a65f0604f8553d0be07bd5214db52d3f167e7511d29cb64e3fa9d8c510cc79976ff2a5acb9b8c09b666f306ac8e4ad389f9a2de3ca46d57b1e91060a4c50fd

memory/2140-14-0x0000000000400000-0x000000000044F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-12-27 05:52

Reported

2024-01-07 15:42

Platform

win10v2004-20231215-en

Max time kernel

158s

Max time network

178s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a615abe4326a1b99d7c2f3f1fccdc332.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 4408 set thread context of 1120 N/A C:\Users\Admin\AppData\Local\Temp\a615abe4326a1b99d7c2f3f1fccdc332.exe C:\Users\Admin\AppData\Local\Temp\a615abe4326a1b99d7c2f3f1fccdc332.exe

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4408 wrote to memory of 1120 N/A C:\Users\Admin\AppData\Local\Temp\a615abe4326a1b99d7c2f3f1fccdc332.exe C:\Users\Admin\AppData\Local\Temp\a615abe4326a1b99d7c2f3f1fccdc332.exe
PID 4408 wrote to memory of 1120 N/A C:\Users\Admin\AppData\Local\Temp\a615abe4326a1b99d7c2f3f1fccdc332.exe C:\Users\Admin\AppData\Local\Temp\a615abe4326a1b99d7c2f3f1fccdc332.exe
PID 4408 wrote to memory of 1120 N/A C:\Users\Admin\AppData\Local\Temp\a615abe4326a1b99d7c2f3f1fccdc332.exe C:\Users\Admin\AppData\Local\Temp\a615abe4326a1b99d7c2f3f1fccdc332.exe
PID 4408 wrote to memory of 1120 N/A C:\Users\Admin\AppData\Local\Temp\a615abe4326a1b99d7c2f3f1fccdc332.exe C:\Users\Admin\AppData\Local\Temp\a615abe4326a1b99d7c2f3f1fccdc332.exe
PID 4408 wrote to memory of 1120 N/A C:\Users\Admin\AppData\Local\Temp\a615abe4326a1b99d7c2f3f1fccdc332.exe C:\Users\Admin\AppData\Local\Temp\a615abe4326a1b99d7c2f3f1fccdc332.exe
PID 4408 wrote to memory of 1120 N/A C:\Users\Admin\AppData\Local\Temp\a615abe4326a1b99d7c2f3f1fccdc332.exe C:\Users\Admin\AppData\Local\Temp\a615abe4326a1b99d7c2f3f1fccdc332.exe
PID 4408 wrote to memory of 1120 N/A C:\Users\Admin\AppData\Local\Temp\a615abe4326a1b99d7c2f3f1fccdc332.exe C:\Users\Admin\AppData\Local\Temp\a615abe4326a1b99d7c2f3f1fccdc332.exe
PID 4408 wrote to memory of 1120 N/A C:\Users\Admin\AppData\Local\Temp\a615abe4326a1b99d7c2f3f1fccdc332.exe C:\Users\Admin\AppData\Local\Temp\a615abe4326a1b99d7c2f3f1fccdc332.exe
PID 4408 wrote to memory of 1120 N/A C:\Users\Admin\AppData\Local\Temp\a615abe4326a1b99d7c2f3f1fccdc332.exe C:\Users\Admin\AppData\Local\Temp\a615abe4326a1b99d7c2f3f1fccdc332.exe
PID 4408 wrote to memory of 1120 N/A C:\Users\Admin\AppData\Local\Temp\a615abe4326a1b99d7c2f3f1fccdc332.exe C:\Users\Admin\AppData\Local\Temp\a615abe4326a1b99d7c2f3f1fccdc332.exe
PID 4408 wrote to memory of 1120 N/A C:\Users\Admin\AppData\Local\Temp\a615abe4326a1b99d7c2f3f1fccdc332.exe C:\Users\Admin\AppData\Local\Temp\a615abe4326a1b99d7c2f3f1fccdc332.exe
PID 4408 wrote to memory of 1120 N/A C:\Users\Admin\AppData\Local\Temp\a615abe4326a1b99d7c2f3f1fccdc332.exe C:\Users\Admin\AppData\Local\Temp\a615abe4326a1b99d7c2f3f1fccdc332.exe
PID 4408 wrote to memory of 1120 N/A C:\Users\Admin\AppData\Local\Temp\a615abe4326a1b99d7c2f3f1fccdc332.exe C:\Users\Admin\AppData\Local\Temp\a615abe4326a1b99d7c2f3f1fccdc332.exe
PID 4408 wrote to memory of 1120 N/A C:\Users\Admin\AppData\Local\Temp\a615abe4326a1b99d7c2f3f1fccdc332.exe C:\Users\Admin\AppData\Local\Temp\a615abe4326a1b99d7c2f3f1fccdc332.exe
PID 4408 wrote to memory of 1120 N/A C:\Users\Admin\AppData\Local\Temp\a615abe4326a1b99d7c2f3f1fccdc332.exe C:\Users\Admin\AppData\Local\Temp\a615abe4326a1b99d7c2f3f1fccdc332.exe
PID 4408 wrote to memory of 1120 N/A C:\Users\Admin\AppData\Local\Temp\a615abe4326a1b99d7c2f3f1fccdc332.exe C:\Users\Admin\AppData\Local\Temp\a615abe4326a1b99d7c2f3f1fccdc332.exe
PID 4408 wrote to memory of 1120 N/A C:\Users\Admin\AppData\Local\Temp\a615abe4326a1b99d7c2f3f1fccdc332.exe C:\Users\Admin\AppData\Local\Temp\a615abe4326a1b99d7c2f3f1fccdc332.exe
PID 4408 wrote to memory of 1120 N/A C:\Users\Admin\AppData\Local\Temp\a615abe4326a1b99d7c2f3f1fccdc332.exe C:\Users\Admin\AppData\Local\Temp\a615abe4326a1b99d7c2f3f1fccdc332.exe
PID 4408 wrote to memory of 1120 N/A C:\Users\Admin\AppData\Local\Temp\a615abe4326a1b99d7c2f3f1fccdc332.exe C:\Users\Admin\AppData\Local\Temp\a615abe4326a1b99d7c2f3f1fccdc332.exe

Processes

C:\Users\Admin\AppData\Local\Temp\a615abe4326a1b99d7c2f3f1fccdc332.exe

"C:\Users\Admin\AppData\Local\Temp\a615abe4326a1b99d7c2f3f1fccdc332.exe"

C:\Users\Admin\AppData\Local\Temp\a615abe4326a1b99d7c2f3f1fccdc332.exe

"C:\Users\Admin\AppData\Local\Temp\a615abe4326a1b99d7c2f3f1fccdc332.exe"

Network

Country Destination Domain Proto
NL 52.142.223.178:80 tcp
US 8.8.8.8:53 193.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 20.177.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 api.ipify.org udp
US 104.237.62.212:80 api.ipify.org tcp
US 204.79.197.200:443 g.bing.com tcp
US 8.8.8.8:53 208.194.73.20.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
RU 80.87.192.115:80 tcp
US 8.8.8.8:53 212.62.237.104.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 146.78.124.51.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
RU 80.87.192.115:80 tcp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 59.128.231.4.in-addr.arpa 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 80.87.192.115:80 tcp
US 8.8.8.8:53 206.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 183.1.37.23.in-addr.arpa udp
RU 80.87.192.115:80 tcp
US 8.8.8.8:53 119.110.54.20.in-addr.arpa udp
US 8.8.8.8:53 205.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 211.135.221.88.in-addr.arpa udp
RU 80.87.192.115:80 tcp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 181.178.17.96.in-addr.arpa udp
RU 80.87.192.115:80 tcp
US 8.8.8.8:53 12.173.189.20.in-addr.arpa udp
RU 80.87.192.115:80 tcp

Files

memory/4408-1-0x00000000005B0000-0x00000000006B0000-memory.dmp

memory/4408-2-0x0000000000510000-0x0000000000557000-memory.dmp

memory/1120-3-0x0000000000400000-0x000000000044F000-memory.dmp

memory/1120-5-0x0000000000400000-0x000000000044F000-memory.dmp

memory/1120-6-0x0000000000400000-0x000000000044F000-memory.dmp

C:\ProgramData\kaosdma.txt

MD5 8cf4dec152a9d79a3d62202b886eda9b
SHA1 0c1b3d3d02c0b655aa3526a58486b84872f18cc2
SHA256 c30e56c9c8fe30ffa4a4ff712cf2fa1808ee82ca258cd4c8ebefcc82250b6c01
SHA512 a5a65f0604f8553d0be07bd5214db52d3f167e7511d29cb64e3fa9d8c510cc79976ff2a5acb9b8c09b666f306ac8e4ad389f9a2de3ca46d57b1e91060a4c50fd

memory/1120-12-0x0000000000400000-0x000000000044F000-memory.dmp