0b8d29bb74021bd9b0d0108c67d0526da45545cf54079375cd60ba66d3701f46

Analysis

max time kernel
147s
max time network
148s
platform
windows7_x64
resource
win7-20240419-en
resource tags

arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
submitted
22-05-2024 03:38

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General

Target

0b8d29bb74021bd9b0d0108c67d0526da45545cf54079375cd60ba66d3701f46.exe
Size

88KB
MD5

fb10beca7aa226900443a4f8bf5dc2c5
SHA1

81a1908ddec058b08ae623f91b4e490a0d0f8aab
SHA256

0b8d29bb74021bd9b0d0108c67d0526da45545cf54079375cd60ba66d3701f46
SHA512

c3581d8fbb0b0a24f568a77be8c0e18d9619ababf51cb098887b6d20cf0fc15e6d6e7e25ff7d543b524dd12c6803389254974408220d8bfdca6611358ef49c1c
SSDEEP

768:qkmnjFom/kLyMro2GtOOtEvwDpjeY10Y/YMsvlMdwPK80GQuchoIgtIODZ:qkmnpomddpMOtEvwDpjJGYQbN/PKwMgH

Score

7^/10

upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

asih.exe

pid process

2668 asih.exe
Loads dropped DLL 1 IoCs

Processes:

0b8d29bb74021bd9b0d0108c67d0526da45545cf54079375cd60ba66d3701f46.exe

pid process

2844 0b8d29bb74021bd9b0d0108c67d0526da45545cf54079375cd60ba66d3701f46.exe

pid	process
2668	asih.exe

pid	process
2844	0b8d29bb74021bd9b0d0108c67d0526da45545cf54079375cd60ba66d3701f46.exe

UPX packed file 5 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral1/memory/2844-0-0x0000000000500000-0x000000000050F000-memory.dmp	upx
\Users\Admin\AppData\Local\Temp\asih.exe	upx
behavioral1/memory/2844-15-0x0000000000500000-0x000000000050F000-memory.dmp	upx
behavioral1/memory/2668-16-0x0000000000500000-0x000000000050F000-memory.dmp	upx
behavioral1/memory/2668-26-0x0000000000500000-0x000000000050F000-memory.dmp	upx

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

0b8d29bb74021bd9b0d0108c67d0526da45545cf54079375cd60ba66d3701f46.exe

description	pid	process	target process
PID 2844 wrote to memory of 2668	2844	0b8d29bb74021bd9b0d0108c67d0526da45545cf54079375cd60ba66d3701f46.exe	asih.exe
PID 2844 wrote to memory of 2668	2844	0b8d29bb74021bd9b0d0108c67d0526da45545cf54079375cd60ba66d3701f46.exe	asih.exe
PID 2844 wrote to memory of 2668	2844	0b8d29bb74021bd9b0d0108c67d0526da45545cf54079375cd60ba66d3701f46.exe	asih.exe
PID 2844 wrote to memory of 2668	2844	0b8d29bb74021bd9b0d0108c67d0526da45545cf54079375cd60ba66d3701f46.exe	asih.exe

C:\Users\Admin\AppData\Local\Temp\0b8d29bb74021bd9b0d0108c67d0526da45545cf54079375cd60ba66d3701f46.exe
"C:\Users\Admin\AppData\Local\Temp\0b8d29bb74021bd9b0d0108c67d0526da45545cf54079375cd60ba66d3701f46.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2844

C:\Users\Admin\AppData\Local\Temp\asih.exe
"C:\Users\Admin\AppData\Local\Temp\asih.exe"
2⤵
- Executes dropped EXE
PID:2668

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\asih.exe
Filesize
88KB

MD5
8d466e4a5cfa1ca3f026f90cb063a8bd

SHA1
421871cb65be8f25cd6f640d50583bc1fb2b5226

SHA256
4cb508e221745e3493c8daa6d683078efeed83a4f07a91c0e0df2024953f4e07

SHA512
ad13e9f90860d538ca9456bb86b92bbdd491f9c0b65e9c24decadfe03d1cde749c36116f7dc7a8dc48cc3b852f1b6e0303496315be0a97f7853bbace202852e4

Download Submit
memory/2668-16-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2668-18-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2668-25-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2668-26-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2844-0-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2844-2-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/2844-1-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2844-9-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2844-15-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download