b2568b52397d150315b27e6a1c14ca472e46ee6dddf2b664a1d698879edd235f

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
28-04-2024 14:52

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General

Target

2024-04-28_ce57ac9d1b5af18b777ea8c82dc3d28f_cryptolocker.exe
Size

84KB
MD5

ce57ac9d1b5af18b777ea8c82dc3d28f
SHA1

2392cc629db54f8f4a9f7275cb445b305c042a81
SHA256

b2568b52397d150315b27e6a1c14ca472e46ee6dddf2b664a1d698879edd235f
SHA512

210fd2aba377d8409e54917ccd8e11dda1f6a59cb44351ceda740be7ca91c5b7c983de1f9bbddf1a92d44782338dc6ba936b79a7c61fed98606a45984ea75223
SSDEEP

1536:vj+jsMQMOtEvwDpj5HwYYTjipvF2hBfWafHNBmP:vCjsIOtEvwDpj5H9YvQd2e

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x001c000000023af8-12.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral2/files/0x001c000000023af8-12.dat	CryptoLocker_set1

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-1-5-21-3726321484-1950364574-433157660-1000\Control Panel\International\Geo\Nation	2024-04-28_ce57ac9d1b5af18b777ea8c82dc3d28f_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
2844	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 2864 wrote to memory of 2844	2864	2024-04-28_ce57ac9d1b5af18b777ea8c82dc3d28f_cryptolocker.exe	83
PID 2864 wrote to memory of 2844	2864	2024-04-28_ce57ac9d1b5af18b777ea8c82dc3d28f_cryptolocker.exe	83
PID 2864 wrote to memory of 2844	2864	2024-04-28_ce57ac9d1b5af18b777ea8c82dc3d28f_cryptolocker.exe	83

C:\Users\Admin\AppData\Local\Temp\2024-04-28_ce57ac9d1b5af18b777ea8c82dc3d28f_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-28_ce57ac9d1b5af18b777ea8c82dc3d28f_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2864
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2844

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
85KB

MD5
ac9d4ff301b7ea3ea3b414db6e7ec049

SHA1
c716591c28d7ac3ca0ee1c554a1e648f9a689b33

SHA256
80416ecd546195f8f55da15836bd823956f323430d0bb6c215e969da4658396a

SHA512
7b169feb6345734323b395310ef1215c1e8d88996b37acbf18139786d1f87770ecd941174a3a103c16dcc68011bbd0dd4de4e2b725fb11ef662734d49abce750

Download Submit
memory/2844-23-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/2844-17-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/2864-0-0x0000000000560000-0x0000000000566000-memory.dmp

Filesize
24KB

Download
memory/2864-1-0x00000000006C0000-0x00000000006C6000-memory.dmp

Filesize
24KB

Download
memory/2864-8-0x0000000000560000-0x0000000000566000-memory.dmp

Filesize
24KB

Download