ca2c622cc67af7992a861b56f47a78532f3fa97ce1fa4b8a5f342e0a9ca5dc04

Analysis

max time kernel
122s
max time network
135s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
31-12-2023 15:53

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General

Target

3a7457a327c97cba891ccfe435c296af.exe
Size

156KB
MD5

3a7457a327c97cba891ccfe435c296af
SHA1

f06864b3b6795209660e7ac5c18f17d3d8d6e08c
SHA256

ca2c622cc67af7992a861b56f47a78532f3fa97ce1fa4b8a5f342e0a9ca5dc04
SHA512

d5a3f68a5863a200b0ca97b554c62fcbd816b081d2390b6bb10ec94645f0875efda1b5221e262a04003f3b6c04032e96397aa0e469d7424724cdc07174922eef
SSDEEP

3072:1fqKqf6UTbQ0XOXVh06/0NEUYynNELl1RAX61qrZLnVnZ:hUf6YQlZ/MY2ilfAq1IZ3

Score

7^/10

upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2828	3a7457a327c97cba891ccfe435c296af.exe

Loads dropped DLL 2 IoCs

pid	Process
852	3a7457a327c97cba891ccfe435c296af.exe
852	3a7457a327c97cba891ccfe435c296af.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x0034000000015c00-8.dat	upx
behavioral1/memory/2828-13-0x0000000000400000-0x0000000000446000-memory.dmp	upx
behavioral1/memory/2828-15-0x0000000000400000-0x0000000000446000-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 852 wrote to memory of 2828	852	3a7457a327c97cba891ccfe435c296af.exe	28
PID 852 wrote to memory of 2828	852	3a7457a327c97cba891ccfe435c296af.exe	28
PID 852 wrote to memory of 2828	852	3a7457a327c97cba891ccfe435c296af.exe	28
PID 852 wrote to memory of 2828	852	3a7457a327c97cba891ccfe435c296af.exe	28

C:\Users\Admin\AppData\Local\Temp\3a7457a327c97cba891ccfe435c296af.exe
"C:\Users\Admin\AppData\Local\Temp\3a7457a327c97cba891ccfe435c296af.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:852
- C:\Windows\Temp\MT\3a7457a327c97cba891ccfe435c296af.exe
  "C:\Windows\Temp\MT\3a7457a327c97cba891ccfe435c296af.exe"
  2⤵
  - Executes dropped EXE
  PID:2828

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

\Windows\Temp\MT\3a7457a327c97cba891ccfe435c296af.exe

Filesize
95KB

MD5
2e599d7ce5933a9d46e1594847f2ca62

SHA1
8058798d12b0ea63abc4a89d55f4682d3786ac80

SHA256
fd27f7e4fd9a87025a5cb3cdd179459d2359761a5a21dc522db515517ab45115

SHA512
b64be72d3a6e99f14dd1b83d2485fb72ee32547787c5134a866412f5d0b0cbbf68c2332bc57e803b3f14a4254df6e8ea44b1cdfdf276f7212d10c06561e42182

Download Submit
memory/2828-13-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download
memory/2828-15-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download