667cb510540d8e7a6cd30007d30a8ca11110dde57bd03d2cbf87ca6b7868bdb9

Analysis

max time kernel
120s
max time network
137s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
22/03/2025, 06:18

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General

Target

efb13a6c7f3b3923b440d094e7abe8aa.exe
Size

2.1MB
MD5

efb13a6c7f3b3923b440d094e7abe8aa
SHA1

d32ce22d33ded09ae5d11a240b320945de13a403
SHA256

3922011926532435941a3806520a838edbc986796fd30b8b7ec631a8c2ecbff8
SHA512

01254aa10451874e82701d07f0adeb6b70a55818b0c21ac7bbc1a4c1d1ad073670ebe8d7241c5ef7bf405aecacdfc579bfe703de491cd44b165f700bf49114fa
SSDEEP

49152:KB/FBVWix5TC0/5ljAhscAWlMym/HXR1supwJ4Cfq:q

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2912	ls3yc3fb.stj.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2152 wrote to memory of 2912	2152	efb13a6c7f3b3923b440d094e7abe8aa.exe	30
PID 2152 wrote to memory of 2912	2152	efb13a6c7f3b3923b440d094e7abe8aa.exe	30
PID 2152 wrote to memory of 2912	2152	efb13a6c7f3b3923b440d094e7abe8aa.exe	30

C:\Users\Admin\AppData\Local\Temp\efb13a6c7f3b3923b440d094e7abe8aa.exe
"C:\Users\Admin\AppData\Local\Temp\efb13a6c7f3b3923b440d094e7abe8aa.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2152
- C:\Users\Admin\AppData\Local\Temp\ls3yc3fb.stj.exe
  "C:\Users\Admin\AppData\Local\Temp\ls3yc3fb.stj.exe"
  2⤵
  - Executes dropped EXE
  PID:2912

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

C:\Users\Admin\AppData\Local\Temp\ls3yc3fb.stj.exe

Filesize
777KB

MD5
67c847973f3c013e3e5049f6a82ae1b5

SHA1
ddd92d14cc4c4e1e5a3afcb24087f997e63f561f

SHA256
0efeb9b6ed577e71905b9944d794da8ee14084c6cde61d5bb695c10448c75933

SHA512
eff87736136998b54fdd952b4e85fa800d13bad9ffa9863dd55595f3e7ca2c557cf0ba45ab47fb06f79ba6efd07294f8f1fab30cd81c5b9bcc5e02f25419c86e

Download Submit
memory/2152-0-0x000007FEF6403000-0x000007FEF6404000-memory.dmp

Filesize
4KB

Download
memory/2152-1-0x0000000000C90000-0x0000000000EAE000-memory.dmp

Filesize
2.1MB

Download
memory/2152-9-0x0000000000550000-0x0000000000560000-memory.dmp

Filesize
64KB

Download
memory/2912-8-0x00000000000E0000-0x00000000001A6000-memory.dmp

Filesize
792KB

Download
memory/2912-10-0x000007FEF6400000-0x000007FEF6DEC000-memory.dmp

Filesize
9.9MB

Download
memory/2912-11-0x000007FEF6400000-0x000007FEF6DEC000-memory.dmp

Filesize
9.9MB

Download