593e7fe15abc506e41665ee5fafff4ce0333ab932592179c2ec9ec47a8d827ff

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
28/03/2024, 15:30

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General

Target

2024-03-28_86c1cc1e642d68e235a77ae3c74c127a_cryptolocker.exe
Size

121KB
MD5

86c1cc1e642d68e235a77ae3c74c127a
SHA1

e9d84a574e001b4d6862a00a23c19e42b94cbcf8
SHA256

593e7fe15abc506e41665ee5fafff4ce0333ab932592179c2ec9ec47a8d827ff
SHA512

0daef86e6c3eafea61b3eb8c612b98faec30f94294b6a6f005804cf63ce5704ea603feff9b5622e031db3e0c2263dc2b45c0442e39db7aa064f3890ce647044f
SSDEEP

1536:u6QFElP6n+gWMOtEvwDpjJGYQbN/PKwMgeG:u6a++OtEvwDpj6zz

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000012253-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000012253-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2532	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2336	2024-03-28_86c1cc1e642d68e235a77ae3c74c127a_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 2336 wrote to memory of 2532	2336	2024-03-28_86c1cc1e642d68e235a77ae3c74c127a_cryptolocker.exe	28
PID 2336 wrote to memory of 2532	2336	2024-03-28_86c1cc1e642d68e235a77ae3c74c127a_cryptolocker.exe	28
PID 2336 wrote to memory of 2532	2336	2024-03-28_86c1cc1e642d68e235a77ae3c74c127a_cryptolocker.exe	28
PID 2336 wrote to memory of 2532	2336	2024-03-28_86c1cc1e642d68e235a77ae3c74c127a_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-28_86c1cc1e642d68e235a77ae3c74c127a_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-28_86c1cc1e642d68e235a77ae3c74c127a_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2336
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2532

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\asih.exe

Filesize
122KB

MD5
82db4fd64da2836e3794fcd57dbfbc65

SHA1
f9b6dec008b6f03ee38bb055ace850c27f98f4e8

SHA256
dc43153a1ddae9b844646252d7bebe2612723588e7f1f05bc61db8454a7051d3

SHA512
de313780c1d36b3c560321611f4db833bd17f01db314129c6e5127e95d4ee8a71d703379ec050e8d92971caa16eea4d26f79850b223e108cd161cc6d69674cf8

Download Submit
memory/2336-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2336-1-0x00000000004C0000-0x00000000004C6000-memory.dmp

Filesize
24KB

Download
memory/2336-3-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2532-15-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/2532-17-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download