97bb48e2e1b810fb3839fabd5e7a544bcbfdaf631dd711df9c1766942079e6f4

Analysis

max time kernel
0s
max time network
146s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
09/01/2024, 06:47

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General

Target

2024-01-08_bb0cfdd6b4189f266817c685d3b2a974_cryptolocker.exe
Size

90KB
MD5

bb0cfdd6b4189f266817c685d3b2a974
SHA1

c47e8f61f43ed4cd070c7aafd1a225346ee3358d
SHA256

97bb48e2e1b810fb3839fabd5e7a544bcbfdaf631dd711df9c1766942079e6f4
SHA512

42e715f2c85913f42e2e1f2d16852aac63c3512e67bb6874b081868d00967fc2587ef258e0394a9df9fc745def69f2a5f29cf747f35b6eb6c5f61d36007ca15e
SSDEEP

1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDjgx/mO:zCsanOtEvwDpjBx

Score

7^/10

upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3044	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2060	2024-01-08_bb0cfdd6b4189f266817c685d3b2a974_cryptolocker.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3044-17-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/memory/2060-15-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/memory/2060-0-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/memory/3044-25-0x0000000000500000-0x0000000000510000-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 2060 wrote to memory of 3044	2060	2024-01-08_bb0cfdd6b4189f266817c685d3b2a974_cryptolocker.exe	16
PID 2060 wrote to memory of 3044	2060	2024-01-08_bb0cfdd6b4189f266817c685d3b2a974_cryptolocker.exe	16
PID 2060 wrote to memory of 3044	2060	2024-01-08_bb0cfdd6b4189f266817c685d3b2a974_cryptolocker.exe	16
PID 2060 wrote to memory of 3044	2060	2024-01-08_bb0cfdd6b4189f266817c685d3b2a974_cryptolocker.exe	16

C:\Users\Admin\AppData\Local\Temp\2024-01-08_bb0cfdd6b4189f266817c685d3b2a974_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-08_bb0cfdd6b4189f266817c685d3b2a974_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2060
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:3044

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

memory/2060-9-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2060-15-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2060-2-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/2060-1-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2060-0-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/3044-17-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/3044-18-0x0000000000480000-0x0000000000486000-memory.dmp

Filesize
24KB

Download
memory/3044-25-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download