kinsing | 15bdc7e1099487ee93935fca562a3a22d50c1154584f7228fa8fbe7db68c47f9

Analysis

max time kernel
143s
max time network
151s
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 17:04

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General

Target

2024-01-25_e2c6498ef076124c4d73b91619de6245_cryptolocker.exe
Size

88KB
MD5

e2c6498ef076124c4d73b91619de6245
SHA1

388b167d0c5e2dfc6da27bd82d4dcfe9780705e9
SHA256

15bdc7e1099487ee93935fca562a3a22d50c1154584f7228fa8fbe7db68c47f9
SHA512

78e1157a683137823f1b40f1e1560413a2ce9e8e83c1f8cdcb4c090e9627774e2b014c92fa300d82236525a85b1ab61a5f65f69ef4af4a1c12aa4e96ef3d1ea8
SSDEEP

1536:vj+jsMQMOtEvwDpj5H8u8rBN6nqEZNi1OkQNj:vCjsIOtEvwDpj5H8zPsH

Score

10^/10

kinsing loader

Malware Config

Signatures

Kinsing
Kinsing is a loader written in Golang.
loader kinsing

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x0007000000023205-12.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral2/files/0x0007000000023205-12.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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\Control Panel\International\Geo\Nation	2024-01-25_e2c6498ef076124c4d73b91619de6245_cryptolocker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-635608581-3370340891-292606865-1000\Control Panel\International\Geo\Nation	misid.exe

Executes dropped EXE 1 IoCs

pid	Process
1548	misid.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 4416 wrote to memory of 1548	4416	2024-01-25_e2c6498ef076124c4d73b91619de6245_cryptolocker.exe	85
PID 4416 wrote to memory of 1548	4416	2024-01-25_e2c6498ef076124c4d73b91619de6245_cryptolocker.exe	85
PID 4416 wrote to memory of 1548	4416	2024-01-25_e2c6498ef076124c4d73b91619de6245_cryptolocker.exe	85

C:\Users\Admin\AppData\Local\Temp\2024-01-25_e2c6498ef076124c4d73b91619de6245_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-25_e2c6498ef076124c4d73b91619de6245_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4416
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  PID:1548

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\misid.exe

Filesize
88KB

MD5
be74962cfe51be9c1e7693cff3ecbf1d

SHA1
da9ebf2b9eee74ca9eb0c2859a65061978750ddb

SHA256
bb66f79311679473ecd7345189a3d0ec37f07f538dcd447f15165571dc4c3c89

SHA512
4939c95a06fed9eee72ec4a63832a2ffa81e5694a8b0f5787f12b35f34eec37f7d4e09011fba2d834d61eace634a5d4d7052398bce4545bf4d275ec7a4feb0d9

Download Submit
memory/1548-18-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/1548-17-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/4416-0-0x00000000005E0000-0x00000000005E6000-memory.dmp

Filesize
24KB

Download
memory/4416-1-0x00000000005E0000-0x00000000005E6000-memory.dmp

Filesize
24KB

Download
memory/4416-2-0x0000000000600000-0x0000000000606000-memory.dmp

Filesize
24KB

Download