Malware Analysis Report

2024-10-19 06:55

Sample ID 240527-sra71shg75
Target ohpndsemtf.exe
SHA256 15c37fc34c843c04dd97fdb40a9c767c0964a02ee7c0d9b22fd67a85fcf39a8a
Tags
rat mayo27 asyncrat
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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

15c37fc34c843c04dd97fdb40a9c767c0964a02ee7c0d9b22fd67a85fcf39a8a

Threat Level: Known bad

The file ohpndsemtf.exe was found to be: Known bad.

Malicious Activity Summary

rat mayo27 asyncrat

AsyncRat

Async RAT payload

Asyncrat family

Unsigned PE

Delays execution with timeout.exe

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-05-27 15:21

Signatures

Async RAT payload

rat
Description Indicator Process Target
N/A N/A N/A N/A

Asyncrat family

asyncrat

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-27 15:21

Reported

2024-05-27 15:23

Platform

win7-20240419-en

Max time kernel

139s

Max time network

139s

Command Line

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

Signatures

AsyncRat

rat asyncrat

Delays execution with timeout.exe

evasion
Description Indicator Process Target
N/A N/A C:\Windows\system32\timeout.exe N/A

Suspicious use of AdjustPrivilegeToken

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2456 wrote to memory of 1276 N/A C:\Users\Admin\AppData\Local\Temp\ohpndsemtf.exe C:\Windows\system32\cmd.exe
PID 2456 wrote to memory of 1276 N/A C:\Users\Admin\AppData\Local\Temp\ohpndsemtf.exe C:\Windows\system32\cmd.exe
PID 2456 wrote to memory of 1276 N/A C:\Users\Admin\AppData\Local\Temp\ohpndsemtf.exe C:\Windows\system32\cmd.exe

Processes

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

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

C:\Windows\system32\cmd.exe

cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmp19D4.tmp.bat""

C:\Windows\system32\timeout.exe

timeout 3

Network

Country Destination Domain Proto
US 8.8.8.8:53 flugrekorder.duckdns.org udp
US 172.94.108.75:7786 flugrekorder.duckdns.org tcp
US 172.94.108.75:7786 flugrekorder.duckdns.org tcp
US 172.94.108.75:7786 flugrekorder.duckdns.org tcp

Files

memory/2456-0-0x000007FEF51F3000-0x000007FEF51F4000-memory.dmp

memory/2456-1-0x0000000001040000-0x0000000001052000-memory.dmp

memory/2456-2-0x000007FEF51F0000-0x000007FEF5BDC000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\Cab124B.tmp

MD5 29f65ba8e88c063813cc50a4ea544e93
SHA1 05a7040d5c127e68c25d81cc51271ffb8bef3568
SHA256 1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184
SHA512 e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa

memory/2456-19-0x000007FEF51F3000-0x000007FEF51F4000-memory.dmp

memory/2456-20-0x000007FEF51F0000-0x000007FEF5BDC000-memory.dmp

memory/2456-22-0x0000000000A20000-0x0000000000A30000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\TarCCC6.tmp

MD5 435a9ac180383f9fa094131b173a2f7b
SHA1 76944ea657a9db94f9a4bef38f88c46ed4166983
SHA256 67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34
SHA512 1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

memory/2456-41-0x0000000000FC0000-0x0000000001024000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmp19D4.tmp.bat

MD5 8d14c69ac0ff875e34717e20ed8d462c
SHA1 75a0bd350a0ec00b1532e4384999ff43190c8bd7
SHA256 a5385f2394724a39abb5ebcf5cf1fe1b402c17af664ec7ad8a142a55efd832d2
SHA512 4271255b9ccc93b19eefaa8411c5b17c6c46233bd72ca7f616b0343c184102fda0b26981e50c59fe264e0513f43f29f2524cd5ea5582d2c3ad1748ac35b9a157

memory/2456-67-0x000007FEF51F0000-0x000007FEF5BDC000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-27 15:21

Reported

2024-05-27 15:23

Platform

win10v2004-20240508-en

Max time kernel

138s

Max time network

137s

Command Line

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

Signatures

AsyncRat

rat asyncrat

Delays execution with timeout.exe

evasion
Description Indicator Process Target
N/A N/A C:\Windows\system32\timeout.exe N/A

Suspicious use of AdjustPrivilegeToken

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1984 wrote to memory of 4988 N/A C:\Users\Admin\AppData\Local\Temp\ohpndsemtf.exe C:\Windows\system32\cmd.exe
PID 1984 wrote to memory of 4988 N/A C:\Users\Admin\AppData\Local\Temp\ohpndsemtf.exe C:\Windows\system32\cmd.exe
PID 4988 wrote to memory of 1304 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\timeout.exe
PID 4988 wrote to memory of 1304 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\timeout.exe

Processes

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

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

C:\Windows\system32\cmd.exe

C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp521E.tmp.bat""

C:\Windows\system32\timeout.exe

timeout 3

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 67.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 flugrekorder.duckdns.org udp
US 172.94.108.75:7786 flugrekorder.duckdns.org tcp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
NL 23.62.61.160:443 www.bing.com tcp
US 8.8.8.8:53 75.108.94.172.in-addr.arpa udp
US 8.8.8.8:53 160.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.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 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 172.94.108.75:7786 flugrekorder.duckdns.org tcp

Files

memory/1984-1-0x00007FFE314C3000-0x00007FFE314C5000-memory.dmp

memory/1984-0-0x0000000000A40000-0x0000000000A52000-memory.dmp

memory/1984-2-0x00007FFE314C0000-0x00007FFE31F81000-memory.dmp

memory/1984-5-0x00007FFE314C0000-0x00007FFE31F81000-memory.dmp

memory/1984-6-0x00007FFE314C3000-0x00007FFE314C5000-memory.dmp

memory/1984-7-0x00007FFE314C0000-0x00007FFE31F81000-memory.dmp

memory/1984-8-0x00007FFE314C0000-0x00007FFE31F81000-memory.dmp

memory/1984-9-0x000000001C260000-0x000000001C2D6000-memory.dmp

memory/1984-10-0x000000001C1E0000-0x000000001C244000-memory.dmp

memory/1984-11-0x000000001B6F0000-0x000000001B70E000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmp521E.tmp.bat

MD5 06dfd37e9ab31ef877611a007d41ebec
SHA1 68590977ef7e65fd47cb5d13c87925a09d790097
SHA256 e349485f31bd8426882ff17d5fb16edc4f5fca2d11df6cf2ac48bdbb0b9cf79b
SHA512 7dc9c43bfcce5431d000062e8a12d209b0fe97e6301d6e2f7915c9a2d57860f216bb502c9904a072941f464e1e9ed9159a70b1f092433ff2c1daf7e44a54d867

memory/1984-16-0x00007FFE314C0000-0x00007FFE31F81000-memory.dmp