4285f5f92136ea2d50e487345ac03c99393e7d537c0af9dc197205f2a7101cca

Analysis

max time kernel
149s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20231023-en
resource tags

arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
submitted
06/11/2023, 19:13

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General

Target

NEAS.2023-09-26_c553b9b43913d3c966bcaec60f0f1e35_cryptolocker.exe
Size

38KB
MD5

c553b9b43913d3c966bcaec60f0f1e35
SHA1

5e08c739fc6af5307b129ddff071d20cacaa513c
SHA256

4285f5f92136ea2d50e487345ac03c99393e7d537c0af9dc197205f2a7101cca
SHA512

062fef47607ae55c82a3f2c235de5e470480699e9af6ed775a1e43de6941879b22e36dd1558e2a389ac2c61aeaf97b00eb026dfac61d8b73948710e6742e157e
SSDEEP

384:bgX4uGLLQRcsdeQ7/nQu63Ag7YmecFanrlwfjDUkKDfWf6XT+0vJsg5b5U3wea:bgX4zYcgTEu6QOaryfjqDlC6JFbK3Ra

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-1-5-21-984744499-3605095035-265325720-1000\Control Panel\International\Geo\Nation	NEAS.2023-09-26_c553b9b43913d3c966bcaec60f0f1e35_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
772	hasfj.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 772	4968	NEAS.2023-09-26_c553b9b43913d3c966bcaec60f0f1e35_cryptolocker.exe	87
PID 4968 wrote to memory of 772	4968	NEAS.2023-09-26_c553b9b43913d3c966bcaec60f0f1e35_cryptolocker.exe	87
PID 4968 wrote to memory of 772	4968	NEAS.2023-09-26_c553b9b43913d3c966bcaec60f0f1e35_cryptolocker.exe	87

C:\Users\Admin\AppData\Local\Temp\NEAS.2023-09-26_c553b9b43913d3c966bcaec60f0f1e35_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.2023-09-26_c553b9b43913d3c966bcaec60f0f1e35_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4968
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:772

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\hasfj.exe

Filesize
38KB

MD5
4cf307cb39c36ab529d4ba9d87c567f6

SHA1
1e4a19717f0744267578e160fede84a5e11b0b9d

SHA256
1e8250b34c189cc74ae57a9a7ff6e02ebeb044118ab1d3dc43051843891ca6c4

SHA512
65fc6b94240ff3caf1cfc703d01d34e2091d7acc3e0b91292c3a589e1ff7db43b0cac296245bbd6a241bae289f0a0549bff1ddeeaf1d81d384360325a14ac68c

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

Filesize
38KB

MD5
4cf307cb39c36ab529d4ba9d87c567f6

SHA1
1e4a19717f0744267578e160fede84a5e11b0b9d

SHA256
1e8250b34c189cc74ae57a9a7ff6e02ebeb044118ab1d3dc43051843891ca6c4

SHA512
65fc6b94240ff3caf1cfc703d01d34e2091d7acc3e0b91292c3a589e1ff7db43b0cac296245bbd6a241bae289f0a0549bff1ddeeaf1d81d384360325a14ac68c

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

Filesize
38KB

MD5
4cf307cb39c36ab529d4ba9d87c567f6

SHA1
1e4a19717f0744267578e160fede84a5e11b0b9d

SHA256
1e8250b34c189cc74ae57a9a7ff6e02ebeb044118ab1d3dc43051843891ca6c4

SHA512
65fc6b94240ff3caf1cfc703d01d34e2091d7acc3e0b91292c3a589e1ff7db43b0cac296245bbd6a241bae289f0a0549bff1ddeeaf1d81d384360325a14ac68c

Download Submit
memory/772-18-0x0000000002210000-0x0000000002216000-memory.dmp

Filesize
24KB

Download
memory/772-17-0x0000000003010000-0x0000000003016000-memory.dmp

Filesize
24KB

Download
memory/4968-0-0x0000000002260000-0x0000000002266000-memory.dmp

Filesize
24KB

Download
memory/4968-1-0x0000000002260000-0x0000000002266000-memory.dmp

Filesize
24KB

Download
memory/4968-2-0x0000000003150000-0x0000000003156000-memory.dmp

Filesize
24KB

Download