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

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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 Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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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