74e93cc6b272c923885a99e724c6f21cdcf0ef2d955884a93cd703747b21b335

Analysis

max time kernel
112s
max time network
148s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
09/01/2024, 06:40

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General

Target

2024-01-08_4b6bbd51490cefb107ff79fd82d0fae3_cryptolocker.exe
Size

50KB
MD5

4b6bbd51490cefb107ff79fd82d0fae3
SHA1

221aa55036484707665aaf5269fef9dd3390c2e1
SHA256

74e93cc6b272c923885a99e724c6f21cdcf0ef2d955884a93cd703747b21b335
SHA512

ea0bea1876fdf226e6a2359bec0f68e6474640207ca4d92cb95cf9ed45aa089449c26b5a0113a90bfa9dbbb65c1e2597e4b90a020a4a1c34931f42e78d1c793c
SSDEEP

768:bIDOw9UiaCHfjnE0Sfa7ilR0p9u6p4ICNBCXK9m:bIDOw9a0DwitDZz5

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3000	lossy.exe

Loads dropped DLL 1 IoCs

pid	Process
3064	2024-01-08_4b6bbd51490cefb107ff79fd82d0fae3_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 3064 wrote to memory of 3000	3064	2024-01-08_4b6bbd51490cefb107ff79fd82d0fae3_cryptolocker.exe	16
PID 3064 wrote to memory of 3000	3064	2024-01-08_4b6bbd51490cefb107ff79fd82d0fae3_cryptolocker.exe	16
PID 3064 wrote to memory of 3000	3064	2024-01-08_4b6bbd51490cefb107ff79fd82d0fae3_cryptolocker.exe	16
PID 3064 wrote to memory of 3000	3064	2024-01-08_4b6bbd51490cefb107ff79fd82d0fae3_cryptolocker.exe	16

C:\Users\Admin\AppData\Local\Temp\lossy.exe
"C:\Users\Admin\AppData\Local\Temp\lossy.exe"
1⤵
- Executes dropped EXE
PID:3000

C:\Users\Admin\AppData\Local\Temp\2024-01-08_4b6bbd51490cefb107ff79fd82d0fae3_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-08_4b6bbd51490cefb107ff79fd82d0fae3_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3064

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

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

Filesize
50KB

MD5
cb3ac27c633a24a1fd4cef3ed2c0bada

SHA1
04e2a0ad35504fa8e0fbd4f405e7d529f9163441

SHA256
ee6c8325ade28f4b9e5abccc835d4001d1edc0efc489f994fa416e26e38a159c

SHA512
a689829f289b626f090d17805cd00f43ca897a045391d65ace2d4df22691e6dbc8e2f6c913f2cb15ee56484c4ad34f56b702667a5a391782d9cd6cfb29329f96

Download Submit
memory/3000-22-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download
memory/3000-15-0x0000000000560000-0x0000000000566000-memory.dmp

Filesize
24KB

Download
memory/3064-8-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/3064-1-0x0000000000430000-0x0000000000436000-memory.dmp

Filesize
24KB

Download
memory/3064-0-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download