5814d699030051e99f892bf70995bb6a453f5813288aa18e9c03fc48d11d1395

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
15/06/2024, 16:54

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General

Target

20240615470b0a94189b7d7a21bcbb38f3189ac9cryptolocker.exe
Size

90KB
MD5

470b0a94189b7d7a21bcbb38f3189ac9
SHA1

4c5b400a45b5d71ec08f0a8765b7d1f024a0c77d
SHA256

5814d699030051e99f892bf70995bb6a453f5813288aa18e9c03fc48d11d1395
SHA512

efa9e27eadf2f4e1641a85d8ba2c785501e88e7d7b578b6c3534e63e282d1d1016dd4330f15ed8d6119852c8e3cc2e6a8020a8c8982a4f9781a736ccd7304f53
SSDEEP

1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRMy8tyblR:zCsanOtEvwDpjK

Score

7^/10

upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2628	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2836	20240615470b0a94189b7d7a21bcbb38f3189ac9cryptolocker.exe

UPX packed file 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2836-8-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/files/0x000b000000015d59-14.dat	upx
behavioral1/memory/2628-15-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/memory/2628-25-0x0000000000500000-0x0000000000510000-memory.dmp	upx

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2836 wrote to memory of 2628	2836	20240615470b0a94189b7d7a21bcbb38f3189ac9cryptolocker.exe	28
PID 2836 wrote to memory of 2628	2836	20240615470b0a94189b7d7a21bcbb38f3189ac9cryptolocker.exe	28
PID 2836 wrote to memory of 2628	2836	20240615470b0a94189b7d7a21bcbb38f3189ac9cryptolocker.exe	28
PID 2836 wrote to memory of 2628	2836	20240615470b0a94189b7d7a21bcbb38f3189ac9cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\20240615470b0a94189b7d7a21bcbb38f3189ac9cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\20240615470b0a94189b7d7a21bcbb38f3189ac9cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2836
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2628

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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
90KB

MD5
11eb493ace410d4c2e93fb0fcb52adeb

SHA1
e849becb98a89b32768aeface6e7a9a4f24a82c6

SHA256
ac40c0d682370d40534f9ca2d0fe0e6e2d356d70d0bb95e11c8b29c1c20750dc

SHA512
15c849109a02885586bd97738ec41ec2fc6e002a430a610f301de892bdc416ef2cf6fc599aadc3aa4eef65fa2a59d7e7821440266ca69fe2a24a2687e8411416

Download Submit
memory/2628-15-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2628-24-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2628-17-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/2628-25-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2836-0-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/2836-1-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/2836-9-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/2836-8-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download