Malware Analysis Report

2024-09-22 16:24

Sample ID 231225-a8y2asfbh6
Target 1e6666100c72fac437bfebd67672844a
SHA256 067cab9c4123e51af9d20ae94bb59c21b207fc45a106046470c2b2d5283cf15e
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

067cab9c4123e51af9d20ae94bb59c21b207fc45a106046470c2b2d5283cf15e

Threat Level: Known bad

The file 1e6666100c72fac437bfebd67672844a 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

2023-12-25 00:53

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-12-25 00:53

Reported

2023-12-26 10:40

Platform

win7-20231215-en

Max time kernel

141s

Max time network

131s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1e6666100c72fac437bfebd67672844a.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 1736 set thread context of 1720 N/A C:\Users\Admin\AppData\Local\Temp\1e6666100c72fac437bfebd67672844a.exe C:\Users\Admin\AppData\Local\Temp\1e6666100c72fac437bfebd67672844a.exe

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1736 wrote to memory of 1720 N/A C:\Users\Admin\AppData\Local\Temp\1e6666100c72fac437bfebd67672844a.exe C:\Users\Admin\AppData\Local\Temp\1e6666100c72fac437bfebd67672844a.exe
PID 1736 wrote to memory of 1720 N/A C:\Users\Admin\AppData\Local\Temp\1e6666100c72fac437bfebd67672844a.exe C:\Users\Admin\AppData\Local\Temp\1e6666100c72fac437bfebd67672844a.exe
PID 1736 wrote to memory of 1720 N/A C:\Users\Admin\AppData\Local\Temp\1e6666100c72fac437bfebd67672844a.exe C:\Users\Admin\AppData\Local\Temp\1e6666100c72fac437bfebd67672844a.exe
PID 1736 wrote to memory of 1720 N/A C:\Users\Admin\AppData\Local\Temp\1e6666100c72fac437bfebd67672844a.exe C:\Users\Admin\AppData\Local\Temp\1e6666100c72fac437bfebd67672844a.exe
PID 1736 wrote to memory of 1720 N/A C:\Users\Admin\AppData\Local\Temp\1e6666100c72fac437bfebd67672844a.exe C:\Users\Admin\AppData\Local\Temp\1e6666100c72fac437bfebd67672844a.exe
PID 1736 wrote to memory of 1720 N/A C:\Users\Admin\AppData\Local\Temp\1e6666100c72fac437bfebd67672844a.exe C:\Users\Admin\AppData\Local\Temp\1e6666100c72fac437bfebd67672844a.exe
PID 1736 wrote to memory of 1720 N/A C:\Users\Admin\AppData\Local\Temp\1e6666100c72fac437bfebd67672844a.exe C:\Users\Admin\AppData\Local\Temp\1e6666100c72fac437bfebd67672844a.exe
PID 1736 wrote to memory of 1720 N/A C:\Users\Admin\AppData\Local\Temp\1e6666100c72fac437bfebd67672844a.exe C:\Users\Admin\AppData\Local\Temp\1e6666100c72fac437bfebd67672844a.exe
PID 1736 wrote to memory of 1720 N/A C:\Users\Admin\AppData\Local\Temp\1e6666100c72fac437bfebd67672844a.exe C:\Users\Admin\AppData\Local\Temp\1e6666100c72fac437bfebd67672844a.exe
PID 1736 wrote to memory of 1720 N/A C:\Users\Admin\AppData\Local\Temp\1e6666100c72fac437bfebd67672844a.exe C:\Users\Admin\AppData\Local\Temp\1e6666100c72fac437bfebd67672844a.exe
PID 1736 wrote to memory of 1720 N/A C:\Users\Admin\AppData\Local\Temp\1e6666100c72fac437bfebd67672844a.exe C:\Users\Admin\AppData\Local\Temp\1e6666100c72fac437bfebd67672844a.exe
PID 1736 wrote to memory of 1720 N/A C:\Users\Admin\AppData\Local\Temp\1e6666100c72fac437bfebd67672844a.exe C:\Users\Admin\AppData\Local\Temp\1e6666100c72fac437bfebd67672844a.exe
PID 1736 wrote to memory of 1720 N/A C:\Users\Admin\AppData\Local\Temp\1e6666100c72fac437bfebd67672844a.exe C:\Users\Admin\AppData\Local\Temp\1e6666100c72fac437bfebd67672844a.exe
PID 1736 wrote to memory of 1720 N/A C:\Users\Admin\AppData\Local\Temp\1e6666100c72fac437bfebd67672844a.exe C:\Users\Admin\AppData\Local\Temp\1e6666100c72fac437bfebd67672844a.exe
PID 1736 wrote to memory of 1720 N/A C:\Users\Admin\AppData\Local\Temp\1e6666100c72fac437bfebd67672844a.exe C:\Users\Admin\AppData\Local\Temp\1e6666100c72fac437bfebd67672844a.exe
PID 1736 wrote to memory of 1720 N/A C:\Users\Admin\AppData\Local\Temp\1e6666100c72fac437bfebd67672844a.exe C:\Users\Admin\AppData\Local\Temp\1e6666100c72fac437bfebd67672844a.exe
PID 1736 wrote to memory of 1720 N/A C:\Users\Admin\AppData\Local\Temp\1e6666100c72fac437bfebd67672844a.exe C:\Users\Admin\AppData\Local\Temp\1e6666100c72fac437bfebd67672844a.exe
PID 1736 wrote to memory of 1720 N/A C:\Users\Admin\AppData\Local\Temp\1e6666100c72fac437bfebd67672844a.exe C:\Users\Admin\AppData\Local\Temp\1e6666100c72fac437bfebd67672844a.exe
PID 1736 wrote to memory of 1720 N/A C:\Users\Admin\AppData\Local\Temp\1e6666100c72fac437bfebd67672844a.exe C:\Users\Admin\AppData\Local\Temp\1e6666100c72fac437bfebd67672844a.exe
PID 1736 wrote to memory of 1720 N/A C:\Users\Admin\AppData\Local\Temp\1e6666100c72fac437bfebd67672844a.exe C:\Users\Admin\AppData\Local\Temp\1e6666100c72fac437bfebd67672844a.exe

Processes

C:\Users\Admin\AppData\Local\Temp\1e6666100c72fac437bfebd67672844a.exe

"C:\Users\Admin\AppData\Local\Temp\1e6666100c72fac437bfebd67672844a.exe"

C:\Users\Admin\AppData\Local\Temp\1e6666100c72fac437bfebd67672844a.exe

"C:\Users\Admin\AppData\Local\Temp\1e6666100c72fac437bfebd67672844a.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 api.ipify.org udp
US 64.185.227.156:80 api.ipify.org tcp
RU 80.87.192.115:80 tcp

Files

memory/1720-3-0x0000000000400000-0x000000000044F000-memory.dmp

memory/1736-4-0x0000000000912000-0x000000000093A000-memory.dmp

memory/1720-8-0x0000000000400000-0x000000000044F000-memory.dmp

memory/1720-7-0x0000000000400000-0x000000000044F000-memory.dmp

memory/1736-6-0x0000000000220000-0x0000000000267000-memory.dmp

memory/1720-1-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

C:\ProgramData\kaosdma.txt

MD5 8cf4dec152a9d79a3d62202b886eda9b
SHA1 0c1b3d3d02c0b655aa3526a58486b84872f18cc2
SHA256 c30e56c9c8fe30ffa4a4ff712cf2fa1808ee82ca258cd4c8ebefcc82250b6c01
SHA512 a5a65f0604f8553d0be07bd5214db52d3f167e7511d29cb64e3fa9d8c510cc79976ff2a5acb9b8c09b666f306ac8e4ad389f9a2de3ca46d57b1e91060a4c50fd

memory/1720-14-0x0000000000400000-0x000000000044F000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-12-25 00:53

Reported

2023-12-26 10:40

Platform

win10v2004-20231215-en

Max time kernel

147s

Max time network

147s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1e6666100c72fac437bfebd67672844a.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 5096 set thread context of 2220 N/A C:\Users\Admin\AppData\Local\Temp\1e6666100c72fac437bfebd67672844a.exe C:\Users\Admin\AppData\Local\Temp\1e6666100c72fac437bfebd67672844a.exe

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 5096 wrote to memory of 2220 N/A C:\Users\Admin\AppData\Local\Temp\1e6666100c72fac437bfebd67672844a.exe C:\Users\Admin\AppData\Local\Temp\1e6666100c72fac437bfebd67672844a.exe
PID 5096 wrote to memory of 2220 N/A C:\Users\Admin\AppData\Local\Temp\1e6666100c72fac437bfebd67672844a.exe C:\Users\Admin\AppData\Local\Temp\1e6666100c72fac437bfebd67672844a.exe
PID 5096 wrote to memory of 2220 N/A C:\Users\Admin\AppData\Local\Temp\1e6666100c72fac437bfebd67672844a.exe C:\Users\Admin\AppData\Local\Temp\1e6666100c72fac437bfebd67672844a.exe
PID 5096 wrote to memory of 2220 N/A C:\Users\Admin\AppData\Local\Temp\1e6666100c72fac437bfebd67672844a.exe C:\Users\Admin\AppData\Local\Temp\1e6666100c72fac437bfebd67672844a.exe
PID 5096 wrote to memory of 2220 N/A C:\Users\Admin\AppData\Local\Temp\1e6666100c72fac437bfebd67672844a.exe C:\Users\Admin\AppData\Local\Temp\1e6666100c72fac437bfebd67672844a.exe
PID 5096 wrote to memory of 2220 N/A C:\Users\Admin\AppData\Local\Temp\1e6666100c72fac437bfebd67672844a.exe C:\Users\Admin\AppData\Local\Temp\1e6666100c72fac437bfebd67672844a.exe
PID 5096 wrote to memory of 2220 N/A C:\Users\Admin\AppData\Local\Temp\1e6666100c72fac437bfebd67672844a.exe C:\Users\Admin\AppData\Local\Temp\1e6666100c72fac437bfebd67672844a.exe
PID 5096 wrote to memory of 2220 N/A C:\Users\Admin\AppData\Local\Temp\1e6666100c72fac437bfebd67672844a.exe C:\Users\Admin\AppData\Local\Temp\1e6666100c72fac437bfebd67672844a.exe
PID 5096 wrote to memory of 2220 N/A C:\Users\Admin\AppData\Local\Temp\1e6666100c72fac437bfebd67672844a.exe C:\Users\Admin\AppData\Local\Temp\1e6666100c72fac437bfebd67672844a.exe
PID 5096 wrote to memory of 2220 N/A C:\Users\Admin\AppData\Local\Temp\1e6666100c72fac437bfebd67672844a.exe C:\Users\Admin\AppData\Local\Temp\1e6666100c72fac437bfebd67672844a.exe
PID 5096 wrote to memory of 2220 N/A C:\Users\Admin\AppData\Local\Temp\1e6666100c72fac437bfebd67672844a.exe C:\Users\Admin\AppData\Local\Temp\1e6666100c72fac437bfebd67672844a.exe
PID 5096 wrote to memory of 2220 N/A C:\Users\Admin\AppData\Local\Temp\1e6666100c72fac437bfebd67672844a.exe C:\Users\Admin\AppData\Local\Temp\1e6666100c72fac437bfebd67672844a.exe
PID 5096 wrote to memory of 2220 N/A C:\Users\Admin\AppData\Local\Temp\1e6666100c72fac437bfebd67672844a.exe C:\Users\Admin\AppData\Local\Temp\1e6666100c72fac437bfebd67672844a.exe
PID 5096 wrote to memory of 2220 N/A C:\Users\Admin\AppData\Local\Temp\1e6666100c72fac437bfebd67672844a.exe C:\Users\Admin\AppData\Local\Temp\1e6666100c72fac437bfebd67672844a.exe
PID 5096 wrote to memory of 2220 N/A C:\Users\Admin\AppData\Local\Temp\1e6666100c72fac437bfebd67672844a.exe C:\Users\Admin\AppData\Local\Temp\1e6666100c72fac437bfebd67672844a.exe
PID 5096 wrote to memory of 2220 N/A C:\Users\Admin\AppData\Local\Temp\1e6666100c72fac437bfebd67672844a.exe C:\Users\Admin\AppData\Local\Temp\1e6666100c72fac437bfebd67672844a.exe
PID 5096 wrote to memory of 2220 N/A C:\Users\Admin\AppData\Local\Temp\1e6666100c72fac437bfebd67672844a.exe C:\Users\Admin\AppData\Local\Temp\1e6666100c72fac437bfebd67672844a.exe
PID 5096 wrote to memory of 2220 N/A C:\Users\Admin\AppData\Local\Temp\1e6666100c72fac437bfebd67672844a.exe C:\Users\Admin\AppData\Local\Temp\1e6666100c72fac437bfebd67672844a.exe
PID 5096 wrote to memory of 2220 N/A C:\Users\Admin\AppData\Local\Temp\1e6666100c72fac437bfebd67672844a.exe C:\Users\Admin\AppData\Local\Temp\1e6666100c72fac437bfebd67672844a.exe

Processes

C:\Users\Admin\AppData\Local\Temp\1e6666100c72fac437bfebd67672844a.exe

"C:\Users\Admin\AppData\Local\Temp\1e6666100c72fac437bfebd67672844a.exe"

C:\Users\Admin\AppData\Local\Temp\1e6666100c72fac437bfebd67672844a.exe

"C:\Users\Admin\AppData\Local\Temp\1e6666100c72fac437bfebd67672844a.exe"

Network

Country Destination Domain Proto
GB 23.44.234.16:80 tcp
US 138.91.171.81:80 tcp
US 8.8.8.8:53 147.177.190.20.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.200:443 g.bing.com tcp
US 8.8.8.8:53 api.ipify.org udp
US 173.231.16.77:80 api.ipify.org tcp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 208.194.73.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 77.16.231.173.in-addr.arpa udp
RU 80.87.192.115:80 tcp
US 8.8.8.8:53 115.192.87.80.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 59.128.231.4.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 100.5.17.2.in-addr.arpa udp
US 8.8.8.8:53 119.110.54.20.in-addr.arpa udp
US 8.8.8.8:53 www.microsoft.com udp
US 2.17.5.133:80 www.microsoft.com tcp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
US 2.17.5.133:80 www.microsoft.com tcp
US 8.8.8.8:53 133.5.17.2.in-addr.arpa udp
US 8.8.8.8:53 174.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 211.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 138.201.86.20.in-addr.arpa udp
US 8.8.8.8:53 79.121.231.20.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.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
US 8.8.8.8:53 32.134.221.88.in-addr.arpa udp
GB 96.17.178.174:80 tcp
GB 96.17.178.174:80 tcp
GB 96.17.178.174:80 tcp
GB 96.17.178.174:80 tcp
GB 96.17.178.174:80 tcp
GB 96.17.178.174:80 tcp

Files

memory/5096-1-0x00000000006E0000-0x00000000007E0000-memory.dmp

memory/5096-2-0x0000000000630000-0x0000000000677000-memory.dmp

memory/2220-5-0x0000000000400000-0x000000000044F000-memory.dmp

memory/2220-6-0x0000000000400000-0x000000000044F000-memory.dmp

memory/2220-3-0x0000000000400000-0x000000000044F000-memory.dmp

C:\ProgramData\kaosdma.txt

MD5 d41d8cd98f00b204e9800998ecf8427e
SHA1 da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256 e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512 cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

memory/2220-12-0x0000000000400000-0x000000000044F000-memory.dmp