964528d3d9ff406f4df17353d7b6de80afcc4b7dee09015f20a4818e554276e1

Analysis

max time kernel
133s
max time network
144s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
14/07/2023, 16:49

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General

Target

2f7341b731fdfbexeexe_JC.exe
Size

68KB
MD5

2f7341b731fdfb1bd6f6f1366026a9f7
SHA1

a768efc38ab1fae5e681f2694760b64394649ad1
SHA256

964528d3d9ff406f4df17353d7b6de80afcc4b7dee09015f20a4818e554276e1
SHA512

346bd9e9335796423b39913f3aae9b4877a66fe18210820ba35e1060152cdf92ee4cc7119edca954de76eeb59bea8cde4627646ec15a58653e1ebb80b3675581
SSDEEP

1536:P8mnK6QFElP6n+gymddpMOtEvwDpjYfKhBUz0S1cq:1nK6a+qdOOtEvwDpjY

Score

7^/10

upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
940	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2572	2f7341b731fdfbexeexe_JC.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2572-54-0x0000000000500000-0x000000000050F311-memory.dmp	upx
behavioral1/memory/2572-68-0x0000000000500000-0x000000000050F311-memory.dmp	upx
behavioral1/files/0x000a000000012024-65.dat	upx
behavioral1/memory/940-70-0x0000000000500000-0x000000000050F311-memory.dmp	upx
behavioral1/files/0x000a000000012024-69.dat	upx
behavioral1/files/0x000a000000012024-79.dat	upx
behavioral1/memory/940-80-0x0000000000500000-0x000000000050F311-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

description	pid	Process	procid_target
PID 2572 wrote to memory of 940	2572	2f7341b731fdfbexeexe_JC.exe	28
PID 2572 wrote to memory of 940	2572	2f7341b731fdfbexeexe_JC.exe	28
PID 2572 wrote to memory of 940	2572	2f7341b731fdfbexeexe_JC.exe	28
PID 2572 wrote to memory of 940	2572	2f7341b731fdfbexeexe_JC.exe	28

C:\Users\Admin\AppData\Local\Temp\2f7341b731fdfbexeexe_JC.exe
"C:\Users\Admin\AppData\Local\Temp\2f7341b731fdfbexeexe_JC.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2572
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:940

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
69KB

MD5
49da754783e759c7dfc70bdcdf2ed9be

SHA1
bc2d9dd4880111c284c6111a3f12110ca1f00eff

SHA256
d06d4da85611df8dcd2387b0271ccb3d8d32a9f655c2d02bb26384d4bc22b9fe

SHA512
ba96ba6f54f4d9aef2f22483ab1bff9a01a11dba9531aec45cf1407d9cd46f9a84cf2e642a1010bb2ff99227d3e0b28097e360dc8d7070b31df790b96908e47e

Download Submit
C:\Users\Admin\AppData\Local\Temp\asih.exe

Filesize
69KB

MD5
49da754783e759c7dfc70bdcdf2ed9be

SHA1
bc2d9dd4880111c284c6111a3f12110ca1f00eff

SHA256
d06d4da85611df8dcd2387b0271ccb3d8d32a9f655c2d02bb26384d4bc22b9fe

SHA512
ba96ba6f54f4d9aef2f22483ab1bff9a01a11dba9531aec45cf1407d9cd46f9a84cf2e642a1010bb2ff99227d3e0b28097e360dc8d7070b31df790b96908e47e

Download Submit
\Users\Admin\AppData\Local\Temp\asih.exe

Filesize
69KB

MD5
49da754783e759c7dfc70bdcdf2ed9be

SHA1
bc2d9dd4880111c284c6111a3f12110ca1f00eff

SHA256
d06d4da85611df8dcd2387b0271ccb3d8d32a9f655c2d02bb26384d4bc22b9fe

SHA512
ba96ba6f54f4d9aef2f22483ab1bff9a01a11dba9531aec45cf1407d9cd46f9a84cf2e642a1010bb2ff99227d3e0b28097e360dc8d7070b31df790b96908e47e

Download Submit
memory/940-70-0x0000000000500000-0x000000000050F311-memory.dmp

Filesize
60KB

Download
memory/940-73-0x0000000000450000-0x0000000000456000-memory.dmp

Filesize
24KB

Download
memory/940-72-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download
memory/940-80-0x0000000000500000-0x000000000050F311-memory.dmp

Filesize
60KB

Download
memory/2572-54-0x0000000000500000-0x000000000050F311-memory.dmp

Filesize
60KB

Download
memory/2572-55-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2572-57-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2572-56-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2572-68-0x0000000000500000-0x000000000050F311-memory.dmp

Filesize
60KB

Download