Malware Analysis Report

2024-09-22 16:22

Sample ID 240731-lasbmssamb
Target 1045b0b441c50d7268f9fbcc19a23093f9efae22c0fc006a28e11190f7115fa4
SHA256 1045b0b441c50d7268f9fbcc19a23093f9efae22c0fc006a28e11190f7115fa4
Tags
fickerstealer discovery 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

1045b0b441c50d7268f9fbcc19a23093f9efae22c0fc006a28e11190f7115fa4

Threat Level: Known bad

The file 1045b0b441c50d7268f9fbcc19a23093f9efae22c0fc006a28e11190f7115fa4 was found to be: Known bad.

Malicious Activity Summary

fickerstealer discovery infostealer

Fickerstealer

Looks up external IP address via web service

Suspicious use of SetThreadContext

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

MITRE ATT&CK Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-07-31 09:20

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-31 09:20

Reported

2024-07-31 09:22

Platform

win7-20240729-en

Max time kernel

140s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c04433797667c205da21d0b783bdbbbd6ba3ca3d62f43f6e7e911ccdf09007cb.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

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\c04433797667c205da21d0b783bdbbbd6ba3ca3d62f43f6e7e911ccdf09007cb.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\c04433797667c205da21d0b783bdbbbd6ba3ca3d62f43f6e7e911ccdf09007cb.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2232 wrote to memory of 2144 N/A C:\Users\Admin\AppData\Local\Temp\c04433797667c205da21d0b783bdbbbd6ba3ca3d62f43f6e7e911ccdf09007cb.exe C:\Users\Admin\AppData\Local\Temp\c04433797667c205da21d0b783bdbbbd6ba3ca3d62f43f6e7e911ccdf09007cb.exe
PID 2232 wrote to memory of 2144 N/A C:\Users\Admin\AppData\Local\Temp\c04433797667c205da21d0b783bdbbbd6ba3ca3d62f43f6e7e911ccdf09007cb.exe C:\Users\Admin\AppData\Local\Temp\c04433797667c205da21d0b783bdbbbd6ba3ca3d62f43f6e7e911ccdf09007cb.exe
PID 2232 wrote to memory of 2144 N/A C:\Users\Admin\AppData\Local\Temp\c04433797667c205da21d0b783bdbbbd6ba3ca3d62f43f6e7e911ccdf09007cb.exe C:\Users\Admin\AppData\Local\Temp\c04433797667c205da21d0b783bdbbbd6ba3ca3d62f43f6e7e911ccdf09007cb.exe
PID 2232 wrote to memory of 2144 N/A C:\Users\Admin\AppData\Local\Temp\c04433797667c205da21d0b783bdbbbd6ba3ca3d62f43f6e7e911ccdf09007cb.exe C:\Users\Admin\AppData\Local\Temp\c04433797667c205da21d0b783bdbbbd6ba3ca3d62f43f6e7e911ccdf09007cb.exe
PID 2232 wrote to memory of 2144 N/A C:\Users\Admin\AppData\Local\Temp\c04433797667c205da21d0b783bdbbbd6ba3ca3d62f43f6e7e911ccdf09007cb.exe C:\Users\Admin\AppData\Local\Temp\c04433797667c205da21d0b783bdbbbd6ba3ca3d62f43f6e7e911ccdf09007cb.exe
PID 2232 wrote to memory of 2144 N/A C:\Users\Admin\AppData\Local\Temp\c04433797667c205da21d0b783bdbbbd6ba3ca3d62f43f6e7e911ccdf09007cb.exe C:\Users\Admin\AppData\Local\Temp\c04433797667c205da21d0b783bdbbbd6ba3ca3d62f43f6e7e911ccdf09007cb.exe
PID 2232 wrote to memory of 2144 N/A C:\Users\Admin\AppData\Local\Temp\c04433797667c205da21d0b783bdbbbd6ba3ca3d62f43f6e7e911ccdf09007cb.exe C:\Users\Admin\AppData\Local\Temp\c04433797667c205da21d0b783bdbbbd6ba3ca3d62f43f6e7e911ccdf09007cb.exe
PID 2232 wrote to memory of 2144 N/A C:\Users\Admin\AppData\Local\Temp\c04433797667c205da21d0b783bdbbbd6ba3ca3d62f43f6e7e911ccdf09007cb.exe C:\Users\Admin\AppData\Local\Temp\c04433797667c205da21d0b783bdbbbd6ba3ca3d62f43f6e7e911ccdf09007cb.exe
PID 2232 wrote to memory of 2144 N/A C:\Users\Admin\AppData\Local\Temp\c04433797667c205da21d0b783bdbbbd6ba3ca3d62f43f6e7e911ccdf09007cb.exe C:\Users\Admin\AppData\Local\Temp\c04433797667c205da21d0b783bdbbbd6ba3ca3d62f43f6e7e911ccdf09007cb.exe
PID 2232 wrote to memory of 2144 N/A C:\Users\Admin\AppData\Local\Temp\c04433797667c205da21d0b783bdbbbd6ba3ca3d62f43f6e7e911ccdf09007cb.exe C:\Users\Admin\AppData\Local\Temp\c04433797667c205da21d0b783bdbbbd6ba3ca3d62f43f6e7e911ccdf09007cb.exe
PID 2232 wrote to memory of 2144 N/A C:\Users\Admin\AppData\Local\Temp\c04433797667c205da21d0b783bdbbbd6ba3ca3d62f43f6e7e911ccdf09007cb.exe C:\Users\Admin\AppData\Local\Temp\c04433797667c205da21d0b783bdbbbd6ba3ca3d62f43f6e7e911ccdf09007cb.exe
PID 2232 wrote to memory of 2144 N/A C:\Users\Admin\AppData\Local\Temp\c04433797667c205da21d0b783bdbbbd6ba3ca3d62f43f6e7e911ccdf09007cb.exe C:\Users\Admin\AppData\Local\Temp\c04433797667c205da21d0b783bdbbbd6ba3ca3d62f43f6e7e911ccdf09007cb.exe
PID 2232 wrote to memory of 2144 N/A C:\Users\Admin\AppData\Local\Temp\c04433797667c205da21d0b783bdbbbd6ba3ca3d62f43f6e7e911ccdf09007cb.exe C:\Users\Admin\AppData\Local\Temp\c04433797667c205da21d0b783bdbbbd6ba3ca3d62f43f6e7e911ccdf09007cb.exe
PID 2232 wrote to memory of 2144 N/A C:\Users\Admin\AppData\Local\Temp\c04433797667c205da21d0b783bdbbbd6ba3ca3d62f43f6e7e911ccdf09007cb.exe C:\Users\Admin\AppData\Local\Temp\c04433797667c205da21d0b783bdbbbd6ba3ca3d62f43f6e7e911ccdf09007cb.exe

Processes

C:\Users\Admin\AppData\Local\Temp\c04433797667c205da21d0b783bdbbbd6ba3ca3d62f43f6e7e911ccdf09007cb.exe

"C:\Users\Admin\AppData\Local\Temp\c04433797667c205da21d0b783bdbbbd6ba3ca3d62f43f6e7e911ccdf09007cb.exe"

C:\Users\Admin\AppData\Local\Temp\c04433797667c205da21d0b783bdbbbd6ba3ca3d62f43f6e7e911ccdf09007cb.exe

"C:\Users\Admin\AppData\Local\Temp\c04433797667c205da21d0b783bdbbbd6ba3ca3d62f43f6e7e911ccdf09007cb.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 api.ipify.org udp
US 104.26.13.205:80 api.ipify.org tcp
RU 188.120.251.192:80 tcp

Files

memory/2232-5-0x0000000000220000-0x0000000000264000-memory.dmp

memory/2144-8-0x0000000000400000-0x0000000000447000-memory.dmp

memory/2232-7-0x00000000008D0000-0x00000000009D0000-memory.dmp

memory/2144-3-0x0000000000400000-0x0000000000447000-memory.dmp

memory/2144-1-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2144-6-0x0000000000400000-0x0000000000447000-memory.dmp

C:\ProgramData\kaosdma.txt

MD5 907326301a53876360553d631f2775c4
SHA1 e900c12c18a7295611f3e2234bc68e8dc0501e06
SHA256 d5543b3a5715587c9c0993a7f56f3e1ee445af837f62c38f2f3457a2ea8d00c8
SHA512 435c1fd96b79b70c370d6f769d44eca3e682404189ff42a6b5718c21bf9dc8358d72c115d68dc25014b8cb9c709af0e64de012103fce687cf4a340fa8f3ea2aa

memory/2144-14-0x0000000000400000-0x0000000000447000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-31 09:20

Reported

2024-07-31 09:22

Platform

win10v2004-20240730-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c04433797667c205da21d0b783bdbbbd6ba3ca3d62f43f6e7e911ccdf09007cb.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

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\c04433797667c205da21d0b783bdbbbd6ba3ca3d62f43f6e7e911ccdf09007cb.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\c04433797667c205da21d0b783bdbbbd6ba3ca3d62f43f6e7e911ccdf09007cb.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3504 wrote to memory of 3628 N/A C:\Users\Admin\AppData\Local\Temp\c04433797667c205da21d0b783bdbbbd6ba3ca3d62f43f6e7e911ccdf09007cb.exe C:\Users\Admin\AppData\Local\Temp\c04433797667c205da21d0b783bdbbbd6ba3ca3d62f43f6e7e911ccdf09007cb.exe
PID 3504 wrote to memory of 3628 N/A C:\Users\Admin\AppData\Local\Temp\c04433797667c205da21d0b783bdbbbd6ba3ca3d62f43f6e7e911ccdf09007cb.exe C:\Users\Admin\AppData\Local\Temp\c04433797667c205da21d0b783bdbbbd6ba3ca3d62f43f6e7e911ccdf09007cb.exe
PID 3504 wrote to memory of 3628 N/A C:\Users\Admin\AppData\Local\Temp\c04433797667c205da21d0b783bdbbbd6ba3ca3d62f43f6e7e911ccdf09007cb.exe C:\Users\Admin\AppData\Local\Temp\c04433797667c205da21d0b783bdbbbd6ba3ca3d62f43f6e7e911ccdf09007cb.exe
PID 3504 wrote to memory of 3628 N/A C:\Users\Admin\AppData\Local\Temp\c04433797667c205da21d0b783bdbbbd6ba3ca3d62f43f6e7e911ccdf09007cb.exe C:\Users\Admin\AppData\Local\Temp\c04433797667c205da21d0b783bdbbbd6ba3ca3d62f43f6e7e911ccdf09007cb.exe
PID 3504 wrote to memory of 3628 N/A C:\Users\Admin\AppData\Local\Temp\c04433797667c205da21d0b783bdbbbd6ba3ca3d62f43f6e7e911ccdf09007cb.exe C:\Users\Admin\AppData\Local\Temp\c04433797667c205da21d0b783bdbbbd6ba3ca3d62f43f6e7e911ccdf09007cb.exe
PID 3504 wrote to memory of 3628 N/A C:\Users\Admin\AppData\Local\Temp\c04433797667c205da21d0b783bdbbbd6ba3ca3d62f43f6e7e911ccdf09007cb.exe C:\Users\Admin\AppData\Local\Temp\c04433797667c205da21d0b783bdbbbd6ba3ca3d62f43f6e7e911ccdf09007cb.exe
PID 3504 wrote to memory of 3628 N/A C:\Users\Admin\AppData\Local\Temp\c04433797667c205da21d0b783bdbbbd6ba3ca3d62f43f6e7e911ccdf09007cb.exe C:\Users\Admin\AppData\Local\Temp\c04433797667c205da21d0b783bdbbbd6ba3ca3d62f43f6e7e911ccdf09007cb.exe
PID 3504 wrote to memory of 3628 N/A C:\Users\Admin\AppData\Local\Temp\c04433797667c205da21d0b783bdbbbd6ba3ca3d62f43f6e7e911ccdf09007cb.exe C:\Users\Admin\AppData\Local\Temp\c04433797667c205da21d0b783bdbbbd6ba3ca3d62f43f6e7e911ccdf09007cb.exe
PID 3504 wrote to memory of 3628 N/A C:\Users\Admin\AppData\Local\Temp\c04433797667c205da21d0b783bdbbbd6ba3ca3d62f43f6e7e911ccdf09007cb.exe C:\Users\Admin\AppData\Local\Temp\c04433797667c205da21d0b783bdbbbd6ba3ca3d62f43f6e7e911ccdf09007cb.exe
PID 3504 wrote to memory of 3628 N/A C:\Users\Admin\AppData\Local\Temp\c04433797667c205da21d0b783bdbbbd6ba3ca3d62f43f6e7e911ccdf09007cb.exe C:\Users\Admin\AppData\Local\Temp\c04433797667c205da21d0b783bdbbbd6ba3ca3d62f43f6e7e911ccdf09007cb.exe
PID 3504 wrote to memory of 3628 N/A C:\Users\Admin\AppData\Local\Temp\c04433797667c205da21d0b783bdbbbd6ba3ca3d62f43f6e7e911ccdf09007cb.exe C:\Users\Admin\AppData\Local\Temp\c04433797667c205da21d0b783bdbbbd6ba3ca3d62f43f6e7e911ccdf09007cb.exe
PID 3504 wrote to memory of 3628 N/A C:\Users\Admin\AppData\Local\Temp\c04433797667c205da21d0b783bdbbbd6ba3ca3d62f43f6e7e911ccdf09007cb.exe C:\Users\Admin\AppData\Local\Temp\c04433797667c205da21d0b783bdbbbd6ba3ca3d62f43f6e7e911ccdf09007cb.exe
PID 3504 wrote to memory of 3628 N/A C:\Users\Admin\AppData\Local\Temp\c04433797667c205da21d0b783bdbbbd6ba3ca3d62f43f6e7e911ccdf09007cb.exe C:\Users\Admin\AppData\Local\Temp\c04433797667c205da21d0b783bdbbbd6ba3ca3d62f43f6e7e911ccdf09007cb.exe

Processes

C:\Users\Admin\AppData\Local\Temp\c04433797667c205da21d0b783bdbbbd6ba3ca3d62f43f6e7e911ccdf09007cb.exe

"C:\Users\Admin\AppData\Local\Temp\c04433797667c205da21d0b783bdbbbd6ba3ca3d62f43f6e7e911ccdf09007cb.exe"

C:\Users\Admin\AppData\Local\Temp\c04433797667c205da21d0b783bdbbbd6ba3ca3d62f43f6e7e911ccdf09007cb.exe

"C:\Users\Admin\AppData\Local\Temp\c04433797667c205da21d0b783bdbbbd6ba3ca3d62f43f6e7e911ccdf09007cb.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 13.107.21.237:443 g.bing.com tcp
US 8.8.8.8:53 api.ipify.org udp
US 172.67.74.152:80 api.ipify.org tcp
RU 188.120.251.192:80 tcp
US 8.8.8.8:53 20.177.190.20.in-addr.arpa udp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
US 8.8.8.8:53 152.74.67.172.in-addr.arpa udp
US 8.8.8.8:53 192.251.120.188.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp

Files

memory/3504-1-0x0000000000700000-0x0000000000800000-memory.dmp

memory/3504-2-0x0000000000490000-0x00000000004D4000-memory.dmp

memory/3628-3-0x0000000000400000-0x0000000000447000-memory.dmp

memory/3628-5-0x0000000000400000-0x0000000000447000-memory.dmp

memory/3628-6-0x0000000000400000-0x0000000000447000-memory.dmp

C:\ProgramData\kaosdma.txt

MD5 907326301a53876360553d631f2775c4
SHA1 e900c12c18a7295611f3e2234bc68e8dc0501e06
SHA256 d5543b3a5715587c9c0993a7f56f3e1ee445af837f62c38f2f3457a2ea8d00c8
SHA512 435c1fd96b79b70c370d6f769d44eca3e682404189ff42a6b5718c21bf9dc8358d72c115d68dc25014b8cb9c709af0e64de012103fce687cf4a340fa8f3ea2aa

memory/3628-12-0x0000000000400000-0x0000000000447000-memory.dmp