Malware Analysis Report

2025-01-22 13:33

Sample ID 210504-w56k6ejkba
Target 2f50000.exe
SHA256 7176b06d8ef959057db3fa2868695ee2d3e810353fb236923840903ddb47019a
Tags
osiris banker botnet
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

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

7176b06d8ef959057db3fa2868695ee2d3e810353fb236923840903ddb47019a

Threat Level: Known bad

The file 2f50000.exe was found to be: Known bad.

Malicious Activity Summary

osiris banker botnet

Osiris

Executes dropped EXE

Loads dropped DLL

Looks up external IP address via web service

Uses Tor communications

Suspicious behavior: EnumeratesProcesses

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2021-05-04 09:27

Signatures

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2021-05-04 09:27

Reported

2021-05-04 09:29

Platform

win10v20210410

Max time kernel

151s

Max time network

115s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2f50000.exe"

Signatures

Osiris

banker botnet osiris

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe N/A

Looks up external IP address via web service

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

Uses Tor communications

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\2f50000.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2f50000.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2f50000.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2f50000.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2f50000.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2f50000.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2f50000.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2f50000.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2f50000.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2f50000.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2f50000.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2f50000.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2f50000.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2f50000.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2f50000.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2f50000.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2f50000.exe N/A
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N/A N/A C:\Users\Admin\AppData\Local\Temp\2f50000.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2f50000.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2f50000.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2f50000.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2f50000.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2f50000.exe N/A
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N/A N/A C:\Users\Admin\AppData\Local\Temp\2f50000.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2f50000.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2f50000.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2f50000.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2f50000.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2f50000.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2f50000.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2f50000.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2f50000.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2f50000.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2f50000.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2f50000.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\2f50000.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3692 wrote to memory of 1236 N/A C:\Users\Admin\AppData\Local\Temp\2f50000.exe C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe
PID 3692 wrote to memory of 1236 N/A C:\Users\Admin\AppData\Local\Temp\2f50000.exe C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe

Processes

C:\Users\Admin\AppData\Local\Temp\2f50000.exe

"C:\Users\Admin\AppData\Local\Temp\2f50000.exe"

C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe

"C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe"

Network

Country Destination Domain Proto
N/A 204.13.164.118:80 204.13.164.118 tcp
N/A 8.8.8.8:53 api.ipify.org udp
N/A 54.225.157.230:443 api.ipify.org tcp
N/A 162.250.188.194:80 162.250.188.194 tcp
N/A 160.119.253.103:443 tcp
N/A 8.8.8.8:53 time-a.nist.gov udp
N/A 129.6.15.28:13 time-a.nist.gov tcp
N/A 94.16.122.65:443 94.16.122.65 tcp
N/A 179.43.156.214:80 179.43.156.214 tcp
N/A 199.249.230.153:80 199.249.230.153 tcp
N/A 199.249.230.161:80 199.249.230.161 tcp
N/A 23.129.64.233:80 23.129.64.233 tcp
N/A 46.232.251.191:443 tcp
N/A 199.249.230.73:80 199.249.230.73 tcp
N/A 128.199.213.205:80 128.199.213.205 tcp
N/A 95.216.137.135:80 95.216.137.135 tcp
N/A 89.163.225.162:443 tcp
N/A 185.220.102.244:80 185.220.102.244 tcp
N/A 51.158.146.152:80 51.158.146.152 tcp

Files

memory/1236-114-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe

MD5 b4cd27f2b37665f51eb9fe685ec1d373
SHA1 7f08febf0fdb7fc9f8bf35a10fb11e7de431abe0
SHA256 91f1023142b7babf6ff75dad984c2a35bde61dc9e61f45483f4b65008576d581
SHA512 e025f65224d78f5fd0abebe281ac0d44a385b2641e367cf39eed6aefada20a112ac47f94d7febc4424f1db6a6947bac16ff83ef93a8d745b3cddfdbe64c49a1e

C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe

MD5 b4cd27f2b37665f51eb9fe685ec1d373
SHA1 7f08febf0fdb7fc9f8bf35a10fb11e7de431abe0
SHA256 91f1023142b7babf6ff75dad984c2a35bde61dc9e61f45483f4b65008576d581
SHA512 e025f65224d78f5fd0abebe281ac0d44a385b2641e367cf39eed6aefada20a112ac47f94d7febc4424f1db6a6947bac16ff83ef93a8d745b3cddfdbe64c49a1e

C:\Users\Admin\AppData\Local\Temp\x64btit.txt

MD5 9c6a19b33f25e14a7424d3ba827e2001
SHA1 5d66e6c370d7042a57740a83eada4ac872c6cf6b
SHA256 5cdd0a21f86234aa80d93f5f96bc0afd9fae67caf2cab171fb57af6d576c6f3e
SHA512 88dd0a99ac87509bf6428b04d46d0ee0c78bbb5b0d055cb736278f969b9dc945fa8f46bcff4d9e61be2023ea33b47d4a5f9e100023ff8c7bd58d19607bb7aa07

Analysis: behavioral1

Detonation Overview

Submitted

2021-05-04 09:27

Reported

2021-05-04 09:29

Platform

win7v20210408

Max time kernel

154s

Max time network

79s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2f50000.exe"

Signatures

Osiris

banker botnet osiris

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\2f50000.exe N/A

Looks up external IP address via web service

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

Uses Tor communications

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\2f50000.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2f50000.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2f50000.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2f50000.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2f50000.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2f50000.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2f50000.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2f50000.exe N/A
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N/A N/A C:\Users\Admin\AppData\Local\Temp\2f50000.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2f50000.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2f50000.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2f50000.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2f50000.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2f50000.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2f50000.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2f50000.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2f50000.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2f50000.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\2f50000.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\2f50000.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2f50000.exe

"C:\Users\Admin\AppData\Local\Temp\2f50000.exe"

C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe

"C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe"

Network

Country Destination Domain Proto
N/A 128.31.0.34:9131 128.31.0.34 tcp
N/A 8.8.8.8:53 api.ipify.org udp
N/A 50.16.249.42:443 api.ipify.org tcp
N/A 185.204.1.239:80 185.204.1.239 tcp
N/A 51.15.197.24:443 tcp
N/A 8.8.8.8:53 time-a.nist.gov udp
N/A 129.6.15.28:13 time-a.nist.gov tcp
N/A 107.189.10.42:80 107.189.10.42 tcp
N/A 185.189.50.253:80 185.189.50.253 tcp
N/A 161.35.87.45:80 161.35.87.45 tcp
N/A 144.172.118.4:80 144.172.118.4 tcp
N/A 185.80.222.164:80 185.80.222.164 tcp
N/A 37.252.188.140:443 tcp
N/A 91.121.143.199:80 91.121.143.199 tcp
N/A 172.105.75.61:80 172.105.75.61 tcp
N/A 185.235.146.29:80 185.235.146.29 tcp
N/A 87.139.33.217:443 tcp
N/A 195.123.237.161:80 195.123.237.161 tcp
N/A 78.46.104.112:443 tcp
N/A 5.39.80.135:80 5.39.80.135 tcp
N/A 87.120.37.79:80 87.120.37.79 tcp

Files

memory/1652-60-0x00000000754F1000-0x00000000754F3000-memory.dmp

\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe

MD5 b4cd27f2b37665f51eb9fe685ec1d373
SHA1 7f08febf0fdb7fc9f8bf35a10fb11e7de431abe0
SHA256 91f1023142b7babf6ff75dad984c2a35bde61dc9e61f45483f4b65008576d581
SHA512 e025f65224d78f5fd0abebe281ac0d44a385b2641e367cf39eed6aefada20a112ac47f94d7febc4424f1db6a6947bac16ff83ef93a8d745b3cddfdbe64c49a1e

C:\Users\Admin\AppData\Local\Temp\GetX64BTIT.exe

MD5 b4cd27f2b37665f51eb9fe685ec1d373
SHA1 7f08febf0fdb7fc9f8bf35a10fb11e7de431abe0
SHA256 91f1023142b7babf6ff75dad984c2a35bde61dc9e61f45483f4b65008576d581
SHA512 e025f65224d78f5fd0abebe281ac0d44a385b2641e367cf39eed6aefada20a112ac47f94d7febc4424f1db6a6947bac16ff83ef93a8d745b3cddfdbe64c49a1e

memory/1324-62-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Local\Temp\x64btit.txt

MD5 ee04b902affb0bc26a27c936e50c2674
SHA1 84b32e3be5fa04b01adad4636a25e7432f1ec79e
SHA256 98506dc8ef70b461743e148b5b52ca923951b71a2c32a716c6a1e13fe1606ec3
SHA512 0665ac29175f30790fe6ab1b5989c43d01be40796f7ea0bc23ce1a61207a033ab449269d5198be6e9b66ff0f052fe7ec347608998b9890281bce4781c69a126e