23f4442c5142db06f7d0fbc03fdbfd1c8c647afd3b9e99049895ae224136b23e

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
11/09/2024, 03:41

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General

Target

2024-09-11_3e3e209b81818e8f08089085bc464ae5_cryptolocker.exe
Size

57KB
MD5

3e3e209b81818e8f08089085bc464ae5
SHA1

f8a049477018799f49d7c6e21cf28debaef9da3c
SHA256

23f4442c5142db06f7d0fbc03fdbfd1c8c647afd3b9e99049895ae224136b23e
SHA512

00a8d12f6b6ae716b62229979e93158da57bcb76ba19068e0892b243b148d2b63ed171fdbd6196caa868d481ed4a2236e11dddec8cdecf1d301020c05c3698ac
SSDEEP

768:HQz7yVEhs9+iy6DX4WTnbcuyD7U4tOOtEvwDpj/L9+4hdCY8EQMjpi/zct:Hj+i2WTnouy84MOtEvwDpjZHyjq

Score

7^/10

discovery upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3032	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2532	2024-09-11_3e3e209b81818e8f08089085bc464ae5_cryptolocker.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2532-0-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/memory/2532-14-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/files/0x0007000000012117-15.dat	upx
behavioral1/memory/3032-25-0x0000000000500000-0x0000000000510000-memory.dmp	upx

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-11_3e3e209b81818e8f08089085bc464ae5_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	misid.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2532 wrote to memory of 3032	2532	2024-09-11_3e3e209b81818e8f08089085bc464ae5_cryptolocker.exe	30
PID 2532 wrote to memory of 3032	2532	2024-09-11_3e3e209b81818e8f08089085bc464ae5_cryptolocker.exe	30
PID 2532 wrote to memory of 3032	2532	2024-09-11_3e3e209b81818e8f08089085bc464ae5_cryptolocker.exe	30
PID 2532 wrote to memory of 3032	2532	2024-09-11_3e3e209b81818e8f08089085bc464ae5_cryptolocker.exe	30

C:\Users\Admin\AppData\Local\Temp\2024-09-11_3e3e209b81818e8f08089085bc464ae5_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-11_3e3e209b81818e8f08089085bc464ae5_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2532
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3032

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
57KB

MD5
ab2bf4f98df5ecf2584d91ed7a7c7f81

SHA1
0c469948763fa114791ff85b4a02fbbfd84e7930

SHA256
c41d24813a925fa4b3802662fcf1ea898b3f5f7a72b177533e2c2e27a4ad8ed6

SHA512
af6736b92097f61c5d2dfa3172011df1a757e04376da81d0d01158a1122806afc93287eee84567d7dc8254f41c6c17f73d3d9fc21e3abe6211083666890a3180

Download Submit
memory/2532-0-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2532-2-0x00000000004A0000-0x00000000004A6000-memory.dmp

Filesize
24KB

Download
memory/2532-9-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/2532-1-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/2532-14-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/3032-18-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/3032-17-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/3032-25-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download