9f95f6d140eb42078e4508cec1d8be8b7200876b3f39b994a326131354e9e564

Analysis

max time kernel
149s
max time network
153s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
16/07/2023, 13:28

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General

Target

74326b35e80fff_JC.exe
Size

43KB
MD5

74326b35e80fff36ea09945915d5fbbd
SHA1

d048a43fb5c70bf50da46f578bd7d54c5b92aec3
SHA256

9f95f6d140eb42078e4508cec1d8be8b7200876b3f39b994a326131354e9e564
SHA512

e244b89454b212381aa028d73efae5879181e980e8f6820acdc845efc3f8ff1d690b24915d2ac12f8ad72efce4ab86795ff7244deef84d1514ba3625e26f3b30
SSDEEP

768:qUmnjFom/kLyMro2GtOOtEvwDpjeMLam5aFr7YOzzfm5oU3tupd1:qUmnpomddpMOtEvwDpjjaYaFAh5md1

Score

7^/10

upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2372	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
3000	74326b35e80fff_JC.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3000-54-0x0000000000500000-0x000000000050F000-memory.dmp	upx
behavioral1/files/0x0009000000012023-65.dat	upx
behavioral1/memory/3000-68-0x0000000000500000-0x000000000050F000-memory.dmp	upx
behavioral1/files/0x0009000000012023-69.dat	upx
behavioral1/memory/2372-71-0x0000000000500000-0x000000000050F000-memory.dmp	upx
behavioral1/files/0x0009000000012023-80.dat	upx
behavioral1/memory/2372-82-0x0000000000500000-0x000000000050F000-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

description	pid	Process	procid_target
PID 3000 wrote to memory of 2372	3000	74326b35e80fff_JC.exe	28
PID 3000 wrote to memory of 2372	3000	74326b35e80fff_JC.exe	28
PID 3000 wrote to memory of 2372	3000	74326b35e80fff_JC.exe	28
PID 3000 wrote to memory of 2372	3000	74326b35e80fff_JC.exe	28

C:\Users\Admin\AppData\Local\Temp\74326b35e80fff_JC.exe
"C:\Users\Admin\AppData\Local\Temp\74326b35e80fff_JC.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3000
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2372

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
43KB

MD5
4011338478ee32560921c083dd78608f

SHA1
a71af213edcefcfea53dab6121859ed6573f9bd3

SHA256
bc96cd83bc3edc633bc08d78ebfa19bbf288c92885a9918f014c53c3b20d7c64

SHA512
0139756640b18bb20c2bd57038b463606a9bf67ab662536f581545b8d3b590a635d749836738c7053856c783beaf34ca400508505e1218b63ee330bca9b3070d

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

Filesize
43KB

MD5
4011338478ee32560921c083dd78608f

SHA1
a71af213edcefcfea53dab6121859ed6573f9bd3

SHA256
bc96cd83bc3edc633bc08d78ebfa19bbf288c92885a9918f014c53c3b20d7c64

SHA512
0139756640b18bb20c2bd57038b463606a9bf67ab662536f581545b8d3b590a635d749836738c7053856c783beaf34ca400508505e1218b63ee330bca9b3070d

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

Filesize
43KB

MD5
4011338478ee32560921c083dd78608f

SHA1
a71af213edcefcfea53dab6121859ed6573f9bd3

SHA256
bc96cd83bc3edc633bc08d78ebfa19bbf288c92885a9918f014c53c3b20d7c64

SHA512
0139756640b18bb20c2bd57038b463606a9bf67ab662536f581545b8d3b590a635d749836738c7053856c783beaf34ca400508505e1218b63ee330bca9b3070d

Download Submit
memory/2372-82-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2372-73-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/2372-74-0x00000000002F0000-0x00000000002F6000-memory.dmp

Filesize
24KB

Download
memory/2372-71-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/3000-58-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/3000-70-0x0000000000650000-0x000000000065F000-memory.dmp

Filesize
60KB

Download
memory/3000-68-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/3000-54-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/3000-56-0x0000000000200000-0x0000000000206000-memory.dmp

Filesize
24KB

Download
memory/3000-81-0x0000000000650000-0x000000000065F000-memory.dmp

Filesize
60KB

Download
memory/3000-55-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download