9b61561bc5061b51089f6a56d805aff939c2cc014b4efbc20acb98ebce66a2f2

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
08/03/2024, 06:17

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General

Target

2024-03-08_c28d68e8f7ce595201aa87e10f781060_cryptolocker.exe
Size

58KB
MD5

c28d68e8f7ce595201aa87e10f781060
SHA1

560e89e99c13127aee9b3360de683b47852806b9
SHA256

9b61561bc5061b51089f6a56d805aff939c2cc014b4efbc20acb98ebce66a2f2
SHA512

9e21793b452ce3b4893e71623c9546ddf490779c91d70d9a05f3d8b7d88bde1261509dd7577e1018a87cdadd67d3ec4a2f15da8a301210ad80d2b543fcf569c7
SSDEEP

1536:Tj+jsMQMOtEvwDpj5HmpJpOUHECgNMo0vp2EMV:TCjsIOtEvwDpj5HE/OUHnSMm

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 5 IoCs

resource	yara_rule
behavioral1/memory/3028-0-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_rule2
behavioral1/files/0x000900000001224d-11.dat	CryptoLocker_rule2
behavioral1/memory/3028-15-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/2540-16-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/2540-26-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 5 IoCs

resource	yara_rule
behavioral1/memory/3028-0-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_set1
behavioral1/files/0x000900000001224d-11.dat	CryptoLocker_set1
behavioral1/memory/3028-15-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_set1
behavioral1/memory/2540-16-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_set1
behavioral1/memory/2540-26-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2540	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
3028	2024-03-08_c28d68e8f7ce595201aa87e10f781060_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 3028 wrote to memory of 2540	3028	2024-03-08_c28d68e8f7ce595201aa87e10f781060_cryptolocker.exe	28
PID 3028 wrote to memory of 2540	3028	2024-03-08_c28d68e8f7ce595201aa87e10f781060_cryptolocker.exe	28
PID 3028 wrote to memory of 2540	3028	2024-03-08_c28d68e8f7ce595201aa87e10f781060_cryptolocker.exe	28
PID 3028 wrote to memory of 2540	3028	2024-03-08_c28d68e8f7ce595201aa87e10f781060_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-08_c28d68e8f7ce595201aa87e10f781060_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-08_c28d68e8f7ce595201aa87e10f781060_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3028
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2540

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
58KB

MD5
e5698a3015dcd109fd1e04a64c1e9812

SHA1
e847f7bad31b8e266b2a44c945ca2b3446e084a9

SHA256
9c6fba5d16e44ad19d18b9931689e70b312f6c57fa6e5f09f6a5c02bc01f68ab

SHA512
6bb009ba2334c777963566244964f8a51630f58a1e5dd44e1eb3da84f583bb6f482838da6681159887d4a1b18fdd9592af9b4fe59001e12c8e6ff5e43e92ca3b

Download Submit
memory/2540-16-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download
memory/2540-18-0x00000000004E0000-0x00000000004E6000-memory.dmp

Filesize
24KB

Download
memory/2540-25-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/2540-26-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download
memory/3028-0-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download
memory/3028-1-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/3028-3-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/3028-2-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/3028-15-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download