96313951bec6321631e8ecc17435adc0de7848dfadab3ae351b8dceb04f2f35f

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
24/02/2024, 08:43

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General

Target

2024-02-24_5f0de26233ce5e3ca3a99f24e5d21e27_cryptolocker.exe
Size

124KB
MD5

5f0de26233ce5e3ca3a99f24e5d21e27
SHA1

0d7f62d4ded65db2fceb0e378829e80df91ae029
SHA256

96313951bec6321631e8ecc17435adc0de7848dfadab3ae351b8dceb04f2f35f
SHA512

0bf7e963bdd82685d5f30297066842a7ca0881d49c2b403225ee8e3424e9f7588f32fe3a9debadb49a445f762c78ca343893e436fe900cdf640961f014731fe8
SSDEEP

1536:gUj+AIMOtEvwDpjNbwQEIPlemUhYwkkxE4f:vCA9OtEvwDpjm

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000e000000012248-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000e000000012248-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2748	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2412	2024-02-24_5f0de26233ce5e3ca3a99f24e5d21e27_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 2412 wrote to memory of 2748	2412	2024-02-24_5f0de26233ce5e3ca3a99f24e5d21e27_cryptolocker.exe	28
PID 2412 wrote to memory of 2748	2412	2024-02-24_5f0de26233ce5e3ca3a99f24e5d21e27_cryptolocker.exe	28
PID 2412 wrote to memory of 2748	2412	2024-02-24_5f0de26233ce5e3ca3a99f24e5d21e27_cryptolocker.exe	28
PID 2412 wrote to memory of 2748	2412	2024-02-24_5f0de26233ce5e3ca3a99f24e5d21e27_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-24_5f0de26233ce5e3ca3a99f24e5d21e27_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-24_5f0de26233ce5e3ca3a99f24e5d21e27_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2412
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2748

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
124KB

MD5
249f826b243ba2a97d277ae0a2ebe858

SHA1
e4d7e9471f251504274c6c541afcc7ec716ffadb

SHA256
dfdc242df2c25d80e7bb2035d4c8d81105b60ca1bf90f92fb2e21fa3c7867323

SHA512
57bab10541e6d64d412b2136878bdd0a13245631b6ad3b88211ed4f86a92408dd0e27ed09d188bd2434a72e1d09327468722fe0af394f87ad84937145865456d

Download Submit
memory/2412-0-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2412-2-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/2412-1-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2748-16-0x0000000000380000-0x0000000000386000-memory.dmp

Filesize
24KB

Download
memory/2748-15-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download