8f935b41186a5a5a9edcc35212bb1bbda6da0c855af1de17e53b2654c2fa829d

Analysis

max time kernel
140s
max time network
153s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
14/07/2023, 16:43

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General

Target

2e93d4cfbc83fcexeexe_JC.exe
Size

81KB
MD5

2e93d4cfbc83fcd4c32b28e298937b83
SHA1

c6a289fd349c53abf5b53a30b8f09c20bad2f1a0
SHA256

8f935b41186a5a5a9edcc35212bb1bbda6da0c855af1de17e53b2654c2fa829d
SHA512

5e4182eda2e4992e371996e63a8b6022c99437da7b12e14f3882bdad26bd5bcc9e5aa79dbe5154634cf71a6388be50fc8bd653094f44b1deb6b144a7a13b8fff
SSDEEP

1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUXQaOKX55tM:T6a+rdOOtEvwDpjNt

Score

7^/10

upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2828	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
1292	2e93d4cfbc83fcexeexe_JC.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1292-53-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/files/0x000d00000001201e-64.dat	upx
behavioral1/files/0x000d00000001201e-67.dat	upx
behavioral1/memory/1292-69-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/memory/2828-68-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/files/0x000d00000001201e-78.dat	upx
behavioral1/memory/2828-79-0x0000000000500000-0x0000000000510000-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

description	pid	Process	procid_target
PID 1292 wrote to memory of 2828	1292	2e93d4cfbc83fcexeexe_JC.exe	28
PID 1292 wrote to memory of 2828	1292	2e93d4cfbc83fcexeexe_JC.exe	28
PID 1292 wrote to memory of 2828	1292	2e93d4cfbc83fcexeexe_JC.exe	28
PID 1292 wrote to memory of 2828	1292	2e93d4cfbc83fcexeexe_JC.exe	28

C:\Users\Admin\AppData\Local\Temp\2e93d4cfbc83fcexeexe_JC.exe
"C:\Users\Admin\AppData\Local\Temp\2e93d4cfbc83fcexeexe_JC.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1292
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2828

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
81KB

MD5
2305781557ca9c2bd147b170b84d2519

SHA1
3a737b0a3a6e8be474f5ad56c11134a0cfd6895e

SHA256
b2f5063d2d303f02fa3a1eb01e90c503e5a25e5a069ba420c311babc916bcecc

SHA512
6ffff5c3932bdec2359c8ec54df02882250dc0a81a8aba6dd3a3a8bdb261fd74efbd27b2bf75231deedd76d62249ed4a90eb4f50a3836e0005d6020d1e7f92f9

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

Filesize
81KB

MD5
2305781557ca9c2bd147b170b84d2519

SHA1
3a737b0a3a6e8be474f5ad56c11134a0cfd6895e

SHA256
b2f5063d2d303f02fa3a1eb01e90c503e5a25e5a069ba420c311babc916bcecc

SHA512
6ffff5c3932bdec2359c8ec54df02882250dc0a81a8aba6dd3a3a8bdb261fd74efbd27b2bf75231deedd76d62249ed4a90eb4f50a3836e0005d6020d1e7f92f9

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

Filesize
81KB

MD5
2305781557ca9c2bd147b170b84d2519

SHA1
3a737b0a3a6e8be474f5ad56c11134a0cfd6895e

SHA256
b2f5063d2d303f02fa3a1eb01e90c503e5a25e5a069ba420c311babc916bcecc

SHA512
6ffff5c3932bdec2359c8ec54df02882250dc0a81a8aba6dd3a3a8bdb261fd74efbd27b2bf75231deedd76d62249ed4a90eb4f50a3836e0005d6020d1e7f92f9

Download Submit
memory/1292-53-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/1292-54-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/1292-55-0x0000000000200000-0x0000000000206000-memory.dmp

Filesize
24KB

Download
memory/1292-57-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/1292-69-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2828-68-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2828-72-0x00000000004E0000-0x00000000004E6000-memory.dmp

Filesize
24KB

Download
memory/2828-71-0x0000000000600000-0x0000000000606000-memory.dmp

Filesize
24KB

Download
memory/2828-79-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download