ad9cca761aa1f40165174f606fcf68c20093844c638823c105fcfaa69040a8be

Analysis

max time kernel
160s
max time network
162s
platform
windows10-2004_x64
resource
win10v2004-20231020-en
resource tags

arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
submitted
22/10/2023, 11:13

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General

Target

NEAS.2023-09-07_cd828ac21cc24e2e18db90abcf78e2e5_cryptolocker_JC.exe
Size

42KB
MD5

cd828ac21cc24e2e18db90abcf78e2e5
SHA1

b1981b6e2138a96316968837450f76d1c69f204e
SHA256

ad9cca761aa1f40165174f606fcf68c20093844c638823c105fcfaa69040a8be
SHA512

ed25a1107bfab81316818e38de5a64bef634a67853d7f52954c2266eba6298fead577f1f24e8977eb67958f9306f1eef7ee3bbd0ba403dd79604e06a602e5a88
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBaaEqbIu55jOA:X6QFElP6n+gJQMOtEvwDpjB0GIWj9

Score

7^/10

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-568313063-1441237985-1542345083-1000\Control Panel\International\Geo\Nation	NEAS.2023-09-07_cd828ac21cc24e2e18db90abcf78e2e5_cryptolocker_JC.exe

Executes dropped EXE 1 IoCs

pid	Process
3064	asih.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 4968 wrote to memory of 3064	4968	NEAS.2023-09-07_cd828ac21cc24e2e18db90abcf78e2e5_cryptolocker_JC.exe	85
PID 4968 wrote to memory of 3064	4968	NEAS.2023-09-07_cd828ac21cc24e2e18db90abcf78e2e5_cryptolocker_JC.exe	85
PID 4968 wrote to memory of 3064	4968	NEAS.2023-09-07_cd828ac21cc24e2e18db90abcf78e2e5_cryptolocker_JC.exe	85

C:\Users\Admin\AppData\Local\Temp\NEAS.2023-09-07_cd828ac21cc24e2e18db90abcf78e2e5_cryptolocker_JC.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.2023-09-07_cd828ac21cc24e2e18db90abcf78e2e5_cryptolocker_JC.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4968
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:3064

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

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
42KB

MD5
3bb24e4a55c10262ced7bbb4f9f59fbc

SHA1
d36e7a0af77f809b3169750dfa322dab368e25ce

SHA256
a49f0210c304987895ea6c7ace967924df1bd05d694d82cafabf3b71ce4e8bd6

SHA512
3a688233cdc0c858a1c78bcb2856f726fd92883a04699fcce97cd6bcdda714a50ae7590705062b8aa3e35ac0c86d619d79e0d76ddd018e44e8263118fae02bee

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

Filesize
42KB

MD5
3bb24e4a55c10262ced7bbb4f9f59fbc

SHA1
d36e7a0af77f809b3169750dfa322dab368e25ce

SHA256
a49f0210c304987895ea6c7ace967924df1bd05d694d82cafabf3b71ce4e8bd6

SHA512
3a688233cdc0c858a1c78bcb2856f726fd92883a04699fcce97cd6bcdda714a50ae7590705062b8aa3e35ac0c86d619d79e0d76ddd018e44e8263118fae02bee

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

Filesize
42KB

MD5
3bb24e4a55c10262ced7bbb4f9f59fbc

SHA1
d36e7a0af77f809b3169750dfa322dab368e25ce

SHA256
a49f0210c304987895ea6c7ace967924df1bd05d694d82cafabf3b71ce4e8bd6

SHA512
3a688233cdc0c858a1c78bcb2856f726fd92883a04699fcce97cd6bcdda714a50ae7590705062b8aa3e35ac0c86d619d79e0d76ddd018e44e8263118fae02bee

Download Submit
memory/3064-17-0x00000000005D0000-0x00000000005D6000-memory.dmp

Filesize
24KB

Download
memory/3064-18-0x00000000005B0000-0x00000000005B6000-memory.dmp

Filesize
24KB

Download
memory/4968-0-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/4968-1-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/4968-2-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download