87d24edd168572f28d262c9edc2b825ea628f86e39c2d1407e9fbc42685119de

Analysis

max time kernel
203s
max time network
238s
platform
windows10-2004_x64
resource
win10v2004-en-20220113
submitted
20-02-2022 04:58

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General

Target

87d24edd168572f28d262c9edc2b825ea628f86e39c2d1407e9fbc42685119de.exe
Size

117KB
MD5

aaa963a1b4c71047d667f0c3d1760d44
SHA1

90ce48d945427822647242d42678fb6fb5b77d73
SHA256

87d24edd168572f28d262c9edc2b825ea628f86e39c2d1407e9fbc42685119de
SHA512

c3cfc8f91ac084ba4ed03e615bd0c55ef65dae3c0618dade3eccd1e2aada1edf30b6cd03e7240b2fce19b5f4f3071ee8c39ab57b0bd073d8049982eb9aea54c8

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

lyDyPhencrep.exe

pid process

4576 lyDyPhencrep.exe

pid	process
4576	lyDyPhencrep.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

87d24edd168572f28d262c9edc2b825ea628f86e39c2d1407e9fbc42685119de.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation	87d24edd168572f28d262c9edc2b825ea628f86e39c2d1407e9fbc42685119de.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

87d24edd168572f28d262c9edc2b825ea628f86e39c2d1407e9fbc42685119de.exe

description	pid	process	target process
PID 4520 wrote to memory of 4576	4520	87d24edd168572f28d262c9edc2b825ea628f86e39c2d1407e9fbc42685119de.exe	lyDyPhencrep.exe
PID 4520 wrote to memory of 4576	4520	87d24edd168572f28d262c9edc2b825ea628f86e39c2d1407e9fbc42685119de.exe	lyDyPhencrep.exe
PID 4520 wrote to memory of 4576	4520	87d24edd168572f28d262c9edc2b825ea628f86e39c2d1407e9fbc42685119de.exe	lyDyPhencrep.exe

C:\Users\Admin\AppData\Local\Temp\87d24edd168572f28d262c9edc2b825ea628f86e39c2d1407e9fbc42685119de.exe
"C:\Users\Admin\AppData\Local\Temp\87d24edd168572f28d262c9edc2b825ea628f86e39c2d1407e9fbc42685119de.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4520

C:\Users\Admin\AppData\Local\Temp\lyDyPhencrep.exe
"C:\Users\Admin\AppData\Local\Temp\lyDyPhencrep.exe" 9 REP
2⤵
- Executes dropped EXE
PID:4576

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

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\lyDyPhencrep.exe
MD5
aaa963a1b4c71047d667f0c3d1760d44

SHA1
90ce48d945427822647242d42678fb6fb5b77d73

SHA256
87d24edd168572f28d262c9edc2b825ea628f86e39c2d1407e9fbc42685119de

SHA512
c3cfc8f91ac084ba4ed03e615bd0c55ef65dae3c0618dade3eccd1e2aada1edf30b6cd03e7240b2fce19b5f4f3071ee8c39ab57b0bd073d8049982eb9aea54c8

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C:\Users\Admin\AppData\Local\Temp\lyDyPhencrep.exe
MD5
aaa963a1b4c71047d667f0c3d1760d44

SHA1
90ce48d945427822647242d42678fb6fb5b77d73

SHA256
87d24edd168572f28d262c9edc2b825ea628f86e39c2d1407e9fbc42685119de

SHA512
c3cfc8f91ac084ba4ed03e615bd0c55ef65dae3c0618dade3eccd1e2aada1edf30b6cd03e7240b2fce19b5f4f3071ee8c39ab57b0bd073d8049982eb9aea54c8

Download Submit