kinsing | 29dcbda7bd7b305a5365fcf7892357e43a377615106ed425e85218c5f5c51c15

Analysis

max time kernel
142s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
25-01-2024 17:30

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General

Target

2024-01-25_7109e89db73dd1bc428b9fca4d98e31f_cryptolocker.exe
Size

64KB
MD5

7109e89db73dd1bc428b9fca4d98e31f
SHA1

7857563f8079c5ddc1fdcdc1fa09425012de59d5
SHA256

29dcbda7bd7b305a5365fcf7892357e43a377615106ed425e85218c5f5c51c15
SHA512

0394de68bd2a7559fa1b980c6e3d7e8d1232c948c83b2ddab072d86775d88d6aea18789fb3bd5c21a4543a0da76b40c1e68c4568d6f4f9fa13e6e26c037237c6
SSDEEP

1536:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZszsbKY1x/9lfL+gniDSA9J:aq7tdgI2MyzNORQtOflIwoHNV2XBFV7H

Score

10^/10

kinsing loader

Malware Config

Signatures

Kinsing
Kinsing is a loader written in Golang.
loader kinsing

Detection of CryptoLocker Variants 1 IoCs

Processes:

resource	yara_rule
behavioral2/files/0x000700000002320f-12.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

Processes:

resource	yara_rule
behavioral2/files/0x000700000002320f-12.dat	CryptoLocker_set1

Checks computer location settings 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

2024-01-25_7109e89db73dd1bc428b9fca4d98e31f_cryptolocker.exehurok.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\Control Panel\International\Geo\Nation	2024-01-25_7109e89db73dd1bc428b9fca4d98e31f_cryptolocker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\Control Panel\International\Geo\Nation	hurok.exe

Executes dropped EXE 1 IoCs

Processes:

hurok.exe

pid	Process
3224	hurok.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

Processes:

2024-01-25_7109e89db73dd1bc428b9fca4d98e31f_cryptolocker.exe

description	pid	Process	procid_target
PID 2056 wrote to memory of 3224	2056	2024-01-25_7109e89db73dd1bc428b9fca4d98e31f_cryptolocker.exe	87
PID 2056 wrote to memory of 3224	2056	2024-01-25_7109e89db73dd1bc428b9fca4d98e31f_cryptolocker.exe	87
PID 2056 wrote to memory of 3224	2056	2024-01-25_7109e89db73dd1bc428b9fca4d98e31f_cryptolocker.exe	87

C:\Users\Admin\AppData\Local\Temp\2024-01-25_7109e89db73dd1bc428b9fca4d98e31f_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-25_7109e89db73dd1bc428b9fca4d98e31f_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2056
- C:\Users\Admin\AppData\Local\Temp\hurok.exe
  "C:\Users\Admin\AppData\Local\Temp\hurok.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  PID:3224

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\hurok.exe

Filesize
64KB

MD5
4263718aef54f76304e2080537abb362

SHA1
1aeafd53aaf124b503c3e7d1b4c2dd09ee8e2fa8

SHA256
c974e3fce0400c3e610fd39b042b7e3737b281f37ba84019ad8d6a01d10eb32b

SHA512
3146d2ded272c371429e0df7d796ea145ca8adf921fd8e6ea5cd0b78f196a4fac23f40a338eb947d3b9602de2ee07097558e8f882efad2a297c53e2665d38d9d

Download Submit
memory/2056-0-0x0000000002200000-0x0000000002206000-memory.dmp

Filesize
24KB

Download
memory/2056-1-0x0000000002200000-0x0000000002206000-memory.dmp

Filesize
24KB

Download
memory/2056-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/3224-25-0x00000000005A0000-0x00000000005A6000-memory.dmp

Filesize
24KB

Download