e4782f9027def25cce8bc96a7b2761599694886ea21e460fded5cbb7ed25e648

Analysis

max time kernel
90s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
07-11-2022 09:51

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General

Target

e4782f9027def25cce8bc96a7b2761599694886ea21e460fded5cbb7ed25e648.exe
Size

27KB
MD5

20147c1f20139b546b6a46404bb1c530
SHA1

e46d76eb400ef509e09e3b646f24290c9ec61848
SHA256

e4782f9027def25cce8bc96a7b2761599694886ea21e460fded5cbb7ed25e648
SHA512

a294fbbf35ada4d7122d257e50f9a6e91386c6cd16481b28f9515a4175472a41b4821b9b89ee87271e350e9325db12d3f7a6d8812138942d6ff4b80fc0185958
SSDEEP

768:ctfFQakjSiV4/c2+L0mNvjaRziDG/jDQjjmWze1+Hc9hsta:Y0GB/L+L0mNvjaRziDG/jDQjjmWyoHct

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4588	JavaUpdater.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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	e4782f9027def25cce8bc96a7b2761599694886ea21e460fded5cbb7ed25e648.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\JavaUpdater = "C:\\Users\\Admin\\AppData\\Roaming\\JavaUpdater\\JavaUpdater.exe"	JavaUpdater.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\JavaUpdater = "C:\\Users\\Admin\\AppData\\Roaming\\JavaUpdater\\JavaUpdater.exe"	e4782f9027def25cce8bc96a7b2761599694886ea21e460fded5cbb7ed25e648.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 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2444	e4782f9027def25cce8bc96a7b2761599694886ea21e460fded5cbb7ed25e648.exe
Token: SeDebugPrivilege	4588	JavaUpdater.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 2444 wrote to memory of 4588	2444	e4782f9027def25cce8bc96a7b2761599694886ea21e460fded5cbb7ed25e648.exe	82
PID 2444 wrote to memory of 4588	2444	e4782f9027def25cce8bc96a7b2761599694886ea21e460fded5cbb7ed25e648.exe	82

C:\Users\Admin\AppData\Local\Temp\e4782f9027def25cce8bc96a7b2761599694886ea21e460fded5cbb7ed25e648.exe
"C:\Users\Admin\AppData\Local\Temp\e4782f9027def25cce8bc96a7b2761599694886ea21e460fded5cbb7ed25e648.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2444
- C:\Users\Admin\AppData\Roaming\JavaUpdater\JavaUpdater.exe
  "C:\Users\Admin\AppData\Roaming\JavaUpdater\JavaUpdater.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  PID:4588

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

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\Roaming\JavaUpdater\JavaUpdater.exe

Filesize
27KB

MD5
20147c1f20139b546b6a46404bb1c530

SHA1
e46d76eb400ef509e09e3b646f24290c9ec61848

SHA256
e4782f9027def25cce8bc96a7b2761599694886ea21e460fded5cbb7ed25e648

SHA512
a294fbbf35ada4d7122d257e50f9a6e91386c6cd16481b28f9515a4175472a41b4821b9b89ee87271e350e9325db12d3f7a6d8812138942d6ff4b80fc0185958

Download Submit
C:\Users\Admin\AppData\Roaming\JavaUpdater\JavaUpdater.exe

Filesize
27KB

MD5
20147c1f20139b546b6a46404bb1c530

SHA1
e46d76eb400ef509e09e3b646f24290c9ec61848

SHA256
e4782f9027def25cce8bc96a7b2761599694886ea21e460fded5cbb7ed25e648

SHA512
a294fbbf35ada4d7122d257e50f9a6e91386c6cd16481b28f9515a4175472a41b4821b9b89ee87271e350e9325db12d3f7a6d8812138942d6ff4b80fc0185958

Download Submit
memory/2444-132-0x00000000003B0000-0x00000000003BE000-memory.dmp

Filesize
56KB

Download
memory/2444-133-0x00007FF834C30000-0x00007FF8356F1000-memory.dmp

Filesize
10.8MB

Download
memory/2444-137-0x00007FF834C30000-0x00007FF8356F1000-memory.dmp

Filesize
10.8MB

Download
memory/4588-134-0x0000000000000000-mapping.dmp

Download
memory/4588-138-0x00007FF834C30000-0x00007FF8356F1000-memory.dmp

Filesize
10.8MB

Download
memory/4588-139-0x00007FF834C30000-0x00007FF8356F1000-memory.dmp

Filesize
10.8MB

Download
memory/4588-140-0x00007FF834C30000-0x00007FF8356F1000-memory.dmp

Filesize
10.8MB

Download