c973ccd20225c16cec6b4528436141140e41a41fd255b44835d65ae0d36875c0

Analysis

max time kernel
150s
max time network
153s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
04/04/2024, 19:24

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General

Target

2024-04-04_07df826d03f5f1431f8e0565adf4ff6f_cryptolocker.exe
Size

125KB
MD5

07df826d03f5f1431f8e0565adf4ff6f
SHA1

90c4bda9c22403c12201b0700635f3f380f41fda
SHA256

c973ccd20225c16cec6b4528436141140e41a41fd255b44835d65ae0d36875c0
SHA512

86d5735586c5bb523282085a6e59c04f37a48e7c7df1d60e4016d626457e63937865825ec32281abf2d189343206ab9758ef7dc04a486d5a9094465a11d0559e
SSDEEP

1536:gUj+AIMOtEvwDpjNbwQEIPlemUhYwkkxE4qx:vCA9OtEvwDpjD

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000012267-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000012267-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2592	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
1116	2024-04-04_07df826d03f5f1431f8e0565adf4ff6f_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 1116 wrote to memory of 2592	1116	2024-04-04_07df826d03f5f1431f8e0565adf4ff6f_cryptolocker.exe	28
PID 1116 wrote to memory of 2592	1116	2024-04-04_07df826d03f5f1431f8e0565adf4ff6f_cryptolocker.exe	28
PID 1116 wrote to memory of 2592	1116	2024-04-04_07df826d03f5f1431f8e0565adf4ff6f_cryptolocker.exe	28
PID 1116 wrote to memory of 2592	1116	2024-04-04_07df826d03f5f1431f8e0565adf4ff6f_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-04-04_07df826d03f5f1431f8e0565adf4ff6f_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-04_07df826d03f5f1431f8e0565adf4ff6f_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1116
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2592

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
126KB

MD5
826ab840ebe5c67c2948f47e45af1858

SHA1
aa50e33ea7d344ee9c5d3ef9d0f9003bc0c30cfe

SHA256
b15eb8d2919a62a4ea99435544c630dbb14bd84b1e8cd83b0da9f057c08622e6

SHA512
07bcf9ff895c6a9f7f0f7230a566aba20de63a3299b4e0c27a2296ef00e1f7137a38b9a84982b06a14864a9dfd803e90b5098af41798948e5c1320e47129fcb8

Download Submit
memory/1116-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1116-1-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/1116-3-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2592-15-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download