b2568b52397d150315b27e6a1c14ca472e46ee6dddf2b664a1d698879edd235f

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-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
behavioral1/files/0x00080000000122cd-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x00080000000122cd-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2608	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2724	2024-04-28_ce57ac9d1b5af18b777ea8c82dc3d28f_cryptolocker.exe

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 2724 wrote to memory of 2608	2724	2024-04-28_ce57ac9d1b5af18b777ea8c82dc3d28f_cryptolocker.exe	28
PID 2724 wrote to memory of 2608	2724	2024-04-28_ce57ac9d1b5af18b777ea8c82dc3d28f_cryptolocker.exe	28
PID 2724 wrote to memory of 2608	2724	2024-04-28_ce57ac9d1b5af18b777ea8c82dc3d28f_cryptolocker.exe	28
PID 2724 wrote to memory of 2608	2724	2024-04-28_ce57ac9d1b5af18b777ea8c82dc3d28f_cryptolocker.exe	28

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⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2724
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2608

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

\Users\Admin\AppData\Local\Temp\misid.exe

Filesize
85KB

MD5
ac9d4ff301b7ea3ea3b414db6e7ec049

SHA1
c716591c28d7ac3ca0ee1c554a1e648f9a689b33

SHA256
80416ecd546195f8f55da15836bd823956f323430d0bb6c215e969da4658396a

SHA512
7b169feb6345734323b395310ef1215c1e8d88996b37acbf18139786d1f87770ecd941174a3a103c16dcc68011bbd0dd4de4e2b725fb11ef662734d49abce750

Download Submit
memory/2608-15-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/2608-22-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2724-0-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/2724-8-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/2724-1-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download