f01895a90753ad205d0cab54522a7d5340fffd73e1999a5612690d4618516e2d

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
22-05-2024 01:10

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General

Target

f01895a90753ad205d0cab54522a7d5340fffd73e1999a5612690d4618516e2d.exe
Size

40KB
MD5

e118d93568a6e2dda938e6cdd1e4dec5
SHA1

38f9e1cfdef20ddb356b65e62f5ec4ca783b15e4
SHA256

f01895a90753ad205d0cab54522a7d5340fffd73e1999a5612690d4618516e2d
SHA512

48bd7a458057f04139b56920cbb27d32167f0239e1b863658b4141f575dfe6d2a6d134e97ec51c016028a4cc0be5fee90b700a2e45ea50542f386ad3ea669dc0
SSDEEP

768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITYaB0gA:qDdFJy3QMOtEvwDpjjWMl7TdCgA

Score

7^/10

upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

asih.exe

pid process

3056 asih.exe
Loads dropped DLL 1 IoCs

Processes:

f01895a90753ad205d0cab54522a7d5340fffd73e1999a5612690d4618516e2d.exe

pid process

1652 f01895a90753ad205d0cab54522a7d5340fffd73e1999a5612690d4618516e2d.exe

pid	process
3056	asih.exe

pid	process
1652	f01895a90753ad205d0cab54522a7d5340fffd73e1999a5612690d4618516e2d.exe

UPX packed file 5 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/1652-0-0x0000000000500000-0x0000000000510000-memory.dmp	upx
\Users\Admin\AppData\Local\Temp\asih.exe	upx
behavioral1/memory/1652-16-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/memory/3056-17-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/memory/3056-27-0x0000000000500000-0x0000000000510000-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:

f01895a90753ad205d0cab54522a7d5340fffd73e1999a5612690d4618516e2d.exe

description	pid	process	target process
PID 1652 wrote to memory of 3056	1652	f01895a90753ad205d0cab54522a7d5340fffd73e1999a5612690d4618516e2d.exe	asih.exe
PID 1652 wrote to memory of 3056	1652	f01895a90753ad205d0cab54522a7d5340fffd73e1999a5612690d4618516e2d.exe	asih.exe
PID 1652 wrote to memory of 3056	1652	f01895a90753ad205d0cab54522a7d5340fffd73e1999a5612690d4618516e2d.exe	asih.exe
PID 1652 wrote to memory of 3056	1652	f01895a90753ad205d0cab54522a7d5340fffd73e1999a5612690d4618516e2d.exe	asih.exe

C:\Users\Admin\AppData\Local\Temp\f01895a90753ad205d0cab54522a7d5340fffd73e1999a5612690d4618516e2d.exe
"C:\Users\Admin\AppData\Local\Temp\f01895a90753ad205d0cab54522a7d5340fffd73e1999a5612690d4618516e2d.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1652

C:\Users\Admin\AppData\Local\Temp\asih.exe
"C:\Users\Admin\AppData\Local\Temp\asih.exe"
2⤵
- Executes dropped EXE
PID:3056

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
40KB

MD5
dc307df13a7fc7483a25f8bd2e7defc3

SHA1
1f4c9eb216700c4a51dab671d25225319de8e296

SHA256
e3d699dc14cebcfe42796b7f95fa4a34964af0826672740b9e79d2dc4c6007a9

SHA512
8f111087d3a0c611f31ce1d1ac9989f8223318ac96b06dc6b10f87845e8ec87f57f9a3627a23aa32c646c1568baafd74ea7fec2ae194cabccb38fa778672589c

Download Submit
memory/1652-0-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/1652-1-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1652-2-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1652-3-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download
memory/1652-16-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/3056-17-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/3056-19-0x0000000000600000-0x0000000000606000-memory.dmp

Filesize
24KB

Download
memory/3056-26-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/3056-27-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download