f8291aa7e13aa673885654fda200e589273e437f4e6b4066c146d4f291c6665a

Analysis

max time kernel
149s
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, 17:50

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General

Target

cc615f4c4733bd_JC.exe
Size

57KB
MD5

cc615f4c4733bdc9f9e42f77510bb8b0
SHA1

30264c55dd8988103352743ce775e4d28270b416
SHA256

f8291aa7e13aa673885654fda200e589273e437f4e6b4066c146d4f291c6665a
SHA512

28a19b466f007036f579af3d88b260d6c934fb9b9691aab4ad90e9f944744ea77b07a061a5d54e24517ab5821560380cc2bae8f1c56332225099881ac36aae6c
SSDEEP

1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTFH39:T6a+rdOOtEvwDpjNl

Score

7^/10

upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2508	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2604	cc615f4c4733bd_JC.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2604-54-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/files/0x0009000000012024-65.dat	upx
behavioral1/memory/2604-69-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/memory/2508-70-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/files/0x0009000000012024-68.dat	upx
behavioral1/files/0x0009000000012024-79.dat	upx
behavioral1/memory/2508-80-0x0000000000500000-0x0000000000510000-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 2604 wrote to memory of 2508	2604	cc615f4c4733bd_JC.exe	28
PID 2604 wrote to memory of 2508	2604	cc615f4c4733bd_JC.exe	28
PID 2604 wrote to memory of 2508	2604	cc615f4c4733bd_JC.exe	28
PID 2604 wrote to memory of 2508	2604	cc615f4c4733bd_JC.exe	28

C:\Users\Admin\AppData\Local\Temp\cc615f4c4733bd_JC.exe
"C:\Users\Admin\AppData\Local\Temp\cc615f4c4733bd_JC.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2604
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2508

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
57KB

MD5
1641858a5f22eba3cb74d83310ac4d8a

SHA1
3f43abbdb741fb608c0e0ec20582c12ca372f6f1

SHA256
e12b7baac0706167531ccbee8556e586d467491e9b8738566c55491b77f6b9ac

SHA512
8d4d7e462cebbac911ee3653727e4402ead1ecdb84227c3b57f447cdf6ef8167ed38e8415a25f286e1116dde66fedaa13dcc6a1ba2957ca61eee17a86b12a1c1

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

Filesize
57KB

MD5
1641858a5f22eba3cb74d83310ac4d8a

SHA1
3f43abbdb741fb608c0e0ec20582c12ca372f6f1

SHA256
e12b7baac0706167531ccbee8556e586d467491e9b8738566c55491b77f6b9ac

SHA512
8d4d7e462cebbac911ee3653727e4402ead1ecdb84227c3b57f447cdf6ef8167ed38e8415a25f286e1116dde66fedaa13dcc6a1ba2957ca61eee17a86b12a1c1

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

Filesize
57KB

MD5
1641858a5f22eba3cb74d83310ac4d8a

SHA1
3f43abbdb741fb608c0e0ec20582c12ca372f6f1

SHA256
e12b7baac0706167531ccbee8556e586d467491e9b8738566c55491b77f6b9ac

SHA512
8d4d7e462cebbac911ee3653727e4402ead1ecdb84227c3b57f447cdf6ef8167ed38e8415a25f286e1116dde66fedaa13dcc6a1ba2957ca61eee17a86b12a1c1

Download Submit
memory/2508-70-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2508-73-0x0000000000360000-0x0000000000366000-memory.dmp

Filesize
24KB

Download
memory/2508-72-0x0000000000330000-0x0000000000336000-memory.dmp

Filesize
24KB

Download
memory/2508-80-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2604-54-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2604-55-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2604-56-0x0000000000390000-0x0000000000396000-memory.dmp

Filesize
24KB

Download
memory/2604-59-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2604-69-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download