kinsing | ade65af2774459a828865f24c74ee6f922cdaaa01d0d7b23d5c5eed6ee0359c4

Analysis

max time kernel
150s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
25-01-2024 17:36

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General

Target

2024-01-25_b837865ab3bd08266b105a4fe1797dc0_cryptolocker.exe
Size

46KB
MD5

b837865ab3bd08266b105a4fe1797dc0
SHA1

05f277a0a13a2d75fe7bd3e28e7a824bf4112162
SHA256

ade65af2774459a828865f24c74ee6f922cdaaa01d0d7b23d5c5eed6ee0359c4
SHA512

89a50a55df4fcf1266559edf06a093e13a8ed3f750de662e2f4e2a5ffe3911405378207802485d1f7c8010a0d1ee61b495dcd52e9d74f4850b42776cb7c68c9e
SSDEEP

768:bgX4zYcgTEu6QOaryfjqDlC6JFbK37YbDu5z/hDa:bgGYcA/53GAA6y37nbG

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/0x0007000000023237-12.dat	CryptoLocker_rule2

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

Processes:

2024-01-25_b837865ab3bd08266b105a4fe1797dc0_cryptolocker.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Control Panel\International\Geo\Nation	2024-01-25_b837865ab3bd08266b105a4fe1797dc0_cryptolocker.exe

Executes dropped EXE 1 IoCs

Processes:

hasfj.exe

pid	Process
4428	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

Processes:

2024-01-25_b837865ab3bd08266b105a4fe1797dc0_cryptolocker.exe

description	pid	Process	procid_target
PID 2176 wrote to memory of 4428	2176	2024-01-25_b837865ab3bd08266b105a4fe1797dc0_cryptolocker.exe	88
PID 2176 wrote to memory of 4428	2176	2024-01-25_b837865ab3bd08266b105a4fe1797dc0_cryptolocker.exe	88
PID 2176 wrote to memory of 4428	2176	2024-01-25_b837865ab3bd08266b105a4fe1797dc0_cryptolocker.exe	88

C:\Users\Admin\AppData\Local\Temp\2024-01-25_b837865ab3bd08266b105a4fe1797dc0_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-25_b837865ab3bd08266b105a4fe1797dc0_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2176
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:4428

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
46KB

MD5
df286ca42d8ecfceb8cb858e4831730c

SHA1
195946f6528e996017cb4e9018258a1bc5d942a9

SHA256
fc2565736f1bdb62924243227c43471e57117e71ed7aed3e539fcc31fd8b8de3

SHA512
386fdca9c37b77cdbff1443bd539814bee23777518786527bb5ad6728f61ff9d647b45191ac12a5ab24d2aeb50642d938f59048592cf5844f0f755d4c10d35b7

Download Submit
memory/2176-0-0x00000000022D0000-0x00000000022D6000-memory.dmp

Filesize
24KB

Download
memory/2176-2-0x0000000003150000-0x0000000003156000-memory.dmp

Filesize
24KB

Download
memory/2176-1-0x00000000022D0000-0x00000000022D6000-memory.dmp

Filesize
24KB

Download
memory/4428-17-0x0000000003010000-0x0000000003016000-memory.dmp

Filesize
24KB

Download
memory/4428-22-0x0000000002210000-0x0000000002216000-memory.dmp

Filesize
24KB

Download