9b7c0c50628b98502af4b2468e66697e590c83cdf066af9700b4f2cccddcb6e4

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
07/09/2024, 00:25

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General

Target

2024-09-07_01b5391e8a1fe394c35ba754de2a5de9_cryptolocker.exe
Size

72KB
MD5

01b5391e8a1fe394c35ba754de2a5de9
SHA1

5bdce9af877a2ce32977a15e73fb6636a84c9d5a
SHA256

9b7c0c50628b98502af4b2468e66697e590c83cdf066af9700b4f2cccddcb6e4
SHA512

dd47c1396d389e720b86083c876ed0e186890a0fc51fab3ef17bb459bc8846bfc1ca1ef6a9eb7d5346dbc543548ffe0c9a05fa460de9651a094dc973e20c9005
SSDEEP

1536:nj+4zs2cPVhlMOtEvwDpj4H8u8rZVTs9f:C4Q2c94OtEvwDpj4H8zC

Score

7^/10

discovery upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2716	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2028	2024-09-07_01b5391e8a1fe394c35ba754de2a5de9_cryptolocker.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2028-0-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/memory/2028-15-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/files/0x000d00000001225f-16.dat	upx
behavioral1/memory/2716-26-0x0000000000500000-0x0000000000510000-memory.dmp	upx

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-07_01b5391e8a1fe394c35ba754de2a5de9_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	misid.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2028 wrote to memory of 2716	2028	2024-09-07_01b5391e8a1fe394c35ba754de2a5de9_cryptolocker.exe	30
PID 2028 wrote to memory of 2716	2028	2024-09-07_01b5391e8a1fe394c35ba754de2a5de9_cryptolocker.exe	30
PID 2028 wrote to memory of 2716	2028	2024-09-07_01b5391e8a1fe394c35ba754de2a5de9_cryptolocker.exe	30
PID 2028 wrote to memory of 2716	2028	2024-09-07_01b5391e8a1fe394c35ba754de2a5de9_cryptolocker.exe	30

C:\Users\Admin\AppData\Local\Temp\2024-09-07_01b5391e8a1fe394c35ba754de2a5de9_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-07_01b5391e8a1fe394c35ba754de2a5de9_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2028
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2716

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
73KB

MD5
f2a5d193595c9eb5d88f8b5152771039

SHA1
c7c32106bfc73c1565451def764de2d30300cd8e

SHA256
83ec5cb3bf166b9e477f7045c287c899722f31ae002956a2b15464be76665641

SHA512
a863facd17586b0dc520a3db54a4665571a65f2a1e0e3b129461efabaf20d82e1d795723b6b4479aeee46da13dd8cee4aee876e012de40a372841c343dede784

Download Submit
memory/2028-0-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2028-9-0x0000000000480000-0x0000000000486000-memory.dmp

Filesize
24KB

Download
memory/2028-2-0x00000000004C0000-0x00000000004C6000-memory.dmp

Filesize
24KB

Download
memory/2028-1-0x0000000000480000-0x0000000000486000-memory.dmp

Filesize
24KB

Download
memory/2028-15-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2716-18-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/2716-25-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download
memory/2716-26-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download