af9036db58d18575c23f1ac7d0f13ebe589eedb27f865f37d7f328e2f519c650

Analysis

max time kernel
148s
max time network
152s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
18-07-2023 16:15

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

c65a7f0f5377d1_JC.exe
Size

101KB
MD5

c65a7f0f5377d1a47b0051553310675c
SHA1

5b9db2904d643673860d93d1faccf5eaebfd6cd3
SHA256

af9036db58d18575c23f1ac7d0f13ebe589eedb27f865f37d7f328e2f519c650
SHA512

d2e1385d2caadb6390fb4ce02c9ea6ffcb3ae6f8531766db8cbb56c89e00a56169c47a64a3bf3912dfae73155089b449680c7beb06d67a978130bf9cf41c96eb
SSDEEP

1536:P8mnK6QFElP6n+gymddpMOtEvwDpjIHsalRn58+2g:1nK6a+qdOOtEvwDpjU

Score

7^/10

upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2580	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2632	c65a7f0f5377d1_JC.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2632-54-0x0000000000500000-0x000000000050F311-memory.dmp	upx
behavioral1/files/0x0009000000012023-65.dat	upx
behavioral1/memory/2632-69-0x0000000000500000-0x000000000050F311-memory.dmp	upx
behavioral1/memory/2580-71-0x0000000000500000-0x000000000050F311-memory.dmp	upx
behavioral1/files/0x0009000000012023-70.dat	upx
behavioral1/files/0x0009000000012023-79.dat	upx
behavioral1/memory/2580-81-0x0000000000500000-0x000000000050F311-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 2632 wrote to memory of 2580	2632	c65a7f0f5377d1_JC.exe	28
PID 2632 wrote to memory of 2580	2632	c65a7f0f5377d1_JC.exe	28
PID 2632 wrote to memory of 2580	2632	c65a7f0f5377d1_JC.exe	28
PID 2632 wrote to memory of 2580	2632	c65a7f0f5377d1_JC.exe	28

C:\Users\Admin\AppData\Local\Temp\c65a7f0f5377d1_JC.exe
"C:\Users\Admin\AppData\Local\Temp\c65a7f0f5377d1_JC.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2632
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2580

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

Loading Replay Monitor...

Downloads

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

Filesize
101KB

MD5
5fd975ea406994f7e0b4a0c64292f524

SHA1
3d4543655e9ba99f0bf9d580ae86389e62553fbd

SHA256
1bc5ec6dc0c55d6281ba456929b9204b37c2dc80057dbf40f453640c25eecd7c

SHA512
fcb4e6992a721db15582fb225ff65affa18de911115fa4bbd81e20f271fd220ce09fc6d17e60382354e7c915a79703f4fc414a7494b334aa3d87a84c88dcb441

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

Filesize
101KB

MD5
5fd975ea406994f7e0b4a0c64292f524

SHA1
3d4543655e9ba99f0bf9d580ae86389e62553fbd

SHA256
1bc5ec6dc0c55d6281ba456929b9204b37c2dc80057dbf40f453640c25eecd7c

SHA512
fcb4e6992a721db15582fb225ff65affa18de911115fa4bbd81e20f271fd220ce09fc6d17e60382354e7c915a79703f4fc414a7494b334aa3d87a84c88dcb441

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

Filesize
101KB

MD5
5fd975ea406994f7e0b4a0c64292f524

SHA1
3d4543655e9ba99f0bf9d580ae86389e62553fbd

SHA256
1bc5ec6dc0c55d6281ba456929b9204b37c2dc80057dbf40f453640c25eecd7c

SHA512
fcb4e6992a721db15582fb225ff65affa18de911115fa4bbd81e20f271fd220ce09fc6d17e60382354e7c915a79703f4fc414a7494b334aa3d87a84c88dcb441

Download Submit
memory/2580-71-0x0000000000500000-0x000000000050F311-memory.dmp

Filesize
60KB

Download
memory/2580-81-0x0000000000500000-0x000000000050F311-memory.dmp

Filesize
60KB

Download
memory/2580-73-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/2632-56-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download
memory/2632-68-0x0000000002480000-0x0000000002490000-memory.dmp

Filesize
64KB

Download
memory/2632-69-0x0000000000500000-0x000000000050F311-memory.dmp

Filesize
60KB

Download
memory/2632-54-0x0000000000500000-0x000000000050F311-memory.dmp

Filesize
60KB

Download
memory/2632-57-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2632-80-0x0000000002480000-0x0000000002490000-memory.dmp

Filesize
64KB

Download
memory/2632-55-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download