da63f65188d28385da056dd67d70b0430674ae747b399285db5f6574b7a53e49

Analysis

max time kernel
132s
max time network
139s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
21-11-2024 07:42

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General

Target

2024-11-21_d1a6586361b91596bb11fa4806f875f1_cryptolocker.exe
Size

55KB
MD5

d1a6586361b91596bb11fa4806f875f1
SHA1

ce9c394419d51f267d04445d94b6700fe095333e
SHA256

da63f65188d28385da056dd67d70b0430674ae747b399285db5f6574b7a53e49
SHA512

656a420e4eedc80f173552391c84bd2be63fb79896b7f15f8d57c05ba6c0817079cbb629b4ad80f1a49e4c8d6d4db0063264aa2520930d4bf502d2bcf45f50a5
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/BtOOtEvwDpjBVaD3E09vxmlcaTIT:X6QFElP6n+gJBMOtEvwDpjBtExmlw

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

asih.exe

pid process

1844 asih.exe
Loads dropped DLL 1 IoCs

Processes:

2024-11-21_d1a6586361b91596bb11fa4806f875f1_cryptolocker.exe

pid process

2400 2024-11-21_d1a6586361b91596bb11fa4806f875f1_cryptolocker.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
1844	asih.exe

pid	process
2400	2024-11-21_d1a6586361b91596bb11fa4806f875f1_cryptolocker.exe

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

Processes:

2024-11-21_d1a6586361b91596bb11fa4806f875f1_cryptolocker.exeasih.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-21_d1a6586361b91596bb11fa4806f875f1_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	asih.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

2024-11-21_d1a6586361b91596bb11fa4806f875f1_cryptolocker.exe

description	pid	process	target process
PID 2400 wrote to memory of 1844	2400	2024-11-21_d1a6586361b91596bb11fa4806f875f1_cryptolocker.exe	asih.exe
PID 2400 wrote to memory of 1844	2400	2024-11-21_d1a6586361b91596bb11fa4806f875f1_cryptolocker.exe	asih.exe
PID 2400 wrote to memory of 1844	2400	2024-11-21_d1a6586361b91596bb11fa4806f875f1_cryptolocker.exe	asih.exe
PID 2400 wrote to memory of 1844	2400	2024-11-21_d1a6586361b91596bb11fa4806f875f1_cryptolocker.exe	asih.exe

C:\Users\Admin\AppData\Local\Temp\2024-11-21_d1a6586361b91596bb11fa4806f875f1_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-21_d1a6586361b91596bb11fa4806f875f1_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2400
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1844

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

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

Filesize
55KB

MD5
30a254f128d6dd9c8cd05fde44302103

SHA1
3340c02d46c6302a5badc44ebe51f5e2fa928467

SHA256
57656c0e6132142e9073a0982eaf6ae20d7f2904472e530fabe1b554237fd1ba

SHA512
fe85b2d3abf85525141cc51d093e1fc445519db310de3bc7c4e6286a2861803ffd8fd606cc850f6e4d67e29dd9564dfa01bde7dde18a537756f15830ce91222c

Download Submit
memory/1844-15-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download
memory/1844-22-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2400-1-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download
memory/2400-0-0x0000000000430000-0x0000000000436000-memory.dmp

Filesize
24KB

Download
memory/2400-8-0x0000000000430000-0x0000000000436000-memory.dmp

Filesize
24KB

Download