e5588aef6afd35bb77e1d48b4cdff5cd3518032c1800d15f4b0258d2861e5d28

Analysis

max time kernel
139s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
23-11-2022 12:50

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

e5588aef6afd35bb77e1d48b4cdff5cd3518032c1800d15f4b0258d2861e5d28.exe
Size

471KB
MD5

ca30e693e0a77051d010b82ebe469153
SHA1

fbd2fae427ba661f761d65cd17ff62dad4bced8c
SHA256

e5588aef6afd35bb77e1d48b4cdff5cd3518032c1800d15f4b0258d2861e5d28
SHA512

13d5afe719575208a87b599d19fee7cb486f1e512744b75725a7dc4a920f81bc0e610fa0910d8fe9a9f5dcf0e7934f8493b5318b33ad74dbb2a9798f71cb652c
SSDEEP

6144:Nmsyd7BspOWZ+Stxo3Gc2uqy3gu88mWCMpCRWFf2Kj+m+6XjY/:5pO3StxwGc2c3tfmfsCRA22+m+8c

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

worker.exe

pid process

4992 worker.exe

pid	process
4992	worker.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:

e5588aef6afd35bb77e1d48b4cdff5cd3518032c1800d15f4b0258d2861e5d28.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation	e5588aef6afd35bb77e1d48b4cdff5cd3518032c1800d15f4b0258d2861e5d28.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 AdjustPrivilegeToken 1 IoCs

Processes:

worker.exe

description pid process

Token: SeDebugPrivilege 4992 worker.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

worker.exe

pid process

4992 worker.exe
4992 worker.exe

description	pid	process
Token: SeDebugPrivilege	4992	worker.exe

pid	process
4992	worker.exe
4992	worker.exe

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

e5588aef6afd35bb77e1d48b4cdff5cd3518032c1800d15f4b0258d2861e5d28.exe

description	pid	process	target process
PID 988 wrote to memory of 4992	988	e5588aef6afd35bb77e1d48b4cdff5cd3518032c1800d15f4b0258d2861e5d28.exe	worker.exe
PID 988 wrote to memory of 4992	988	e5588aef6afd35bb77e1d48b4cdff5cd3518032c1800d15f4b0258d2861e5d28.exe	worker.exe

C:\Users\Admin\AppData\Local\Temp\e5588aef6afd35bb77e1d48b4cdff5cd3518032c1800d15f4b0258d2861e5d28.exe
"C:\Users\Admin\AppData\Local\Temp\e5588aef6afd35bb77e1d48b4cdff5cd3518032c1800d15f4b0258d2861e5d28.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:988

C:\Users\Admin\AppData\Local\Temp\DM\worker.exe
"C:\Users\Admin\AppData\Local\Temp\DM\worker.exe"
2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:4992

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\DM\parent.txt

Filesize
471KB

MD5
ca30e693e0a77051d010b82ebe469153

SHA1
fbd2fae427ba661f761d65cd17ff62dad4bced8c

SHA256
e5588aef6afd35bb77e1d48b4cdff5cd3518032c1800d15f4b0258d2861e5d28

SHA512
13d5afe719575208a87b599d19fee7cb486f1e512744b75725a7dc4a920f81bc0e610fa0910d8fe9a9f5dcf0e7934f8493b5318b33ad74dbb2a9798f71cb652c

Download Submit
C:\Users\Admin\AppData\Local\Temp\DM\worker.exe

Filesize
19KB

MD5
2b23c69b68708c14fc214c3454e6b1bd

SHA1
5c923d25c14ad13dab4f05bb1423026f873e7dc4

SHA256
b2eb3b20cfa82a80207cb9fe8ea7cb28faa1b35612816b7b0052e68b9c8068bd

SHA512
00135ff0664e9de5f98be600773c72025f5f338e7301ab9d10b023fef672baa2ddbe3124813352eacf8d7475f0905d68dded619aa2cc3099f10b943ff3cdb8c5

Download Submit
C:\Users\Admin\AppData\Local\Temp\DM\worker.exe

Filesize
19KB

MD5
2b23c69b68708c14fc214c3454e6b1bd

SHA1
5c923d25c14ad13dab4f05bb1423026f873e7dc4

SHA256
b2eb3b20cfa82a80207cb9fe8ea7cb28faa1b35612816b7b0052e68b9c8068bd

SHA512
00135ff0664e9de5f98be600773c72025f5f338e7301ab9d10b023fef672baa2ddbe3124813352eacf8d7475f0905d68dded619aa2cc3099f10b943ff3cdb8c5

Download Submit
memory/4992-132-0x0000000000000000-mapping.dmp

Download
memory/4992-135-0x00007FFDDEAE0000-0x00007FFDDF516000-memory.dmp

Filesize
10.2MB

Download
memory/4992-136-0x000000000165A000-0x000000000165F000-memory.dmp

Filesize
20KB

Download
memory/4992-138-0x000000000165A000-0x000000000165F000-memory.dmp

Filesize
20KB

Download