48772414398af77a3a9dcbfaf3226e09e8e9dbea7c122840cba237ab6030b80e

Analysis

max time kernel
147s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
27/01/2024, 23:35

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General

Target

48772414398af77a3a9dcbfaf3226e09e8e9dbea7c122840cba237ab6030b80e.exe
Size

196KB
MD5

222553f6d4e414e98f6c22a1d326c50f
SHA1

4cbabbabf28044abcb4bec7494333c67498f7974
SHA256

48772414398af77a3a9dcbfaf3226e09e8e9dbea7c122840cba237ab6030b80e
SHA512

7b9f676194fe1771a5102b5df8361b057667fddebf7266842e162ed7b9c19746cc190a3c9f22a1bc0391057452b9f0b5066a9e017f66476dfc0a518673b0e5ae
SSDEEP

6144:rBs27MMLyX5HXXXDTXXXOGqIII+pXXX5AYjKXXXDoXXXG6XXXxXXXLIIIEAkOCOo:rK20HXXX/XXXFqIIIcXXX5j2XXXcXXXJ

Score

7^/10

Malware Config

Signatures

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-1-5-21-3073191680-435865314-2862784915-1000\Control Panel\International\Geo\Nation	48772414398af77a3a9dcbfaf3226e09e8e9dbea7c122840cba237ab6030b80e.exe

Executes dropped EXE 1 IoCs

pid	Process
4920	jmahost.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\Debug\jmahost.exe	48772414398af77a3a9dcbfaf3226e09e8e9dbea7c122840cba237ab6030b80e.exe
File opened for modification	C:\Windows\Debug\jmahost.exe	48772414398af77a3a9dcbfaf3226e09e8e9dbea7c122840cba237ab6030b80e.exe

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

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	jmahost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	jmahost.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	3952	48772414398af77a3a9dcbfaf3226e09e8e9dbea7c122840cba237ab6030b80e.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3952 wrote to memory of 2484	3952	48772414398af77a3a9dcbfaf3226e09e8e9dbea7c122840cba237ab6030b80e.exe	90
PID 3952 wrote to memory of 2484	3952	48772414398af77a3a9dcbfaf3226e09e8e9dbea7c122840cba237ab6030b80e.exe	90
PID 3952 wrote to memory of 2484	3952	48772414398af77a3a9dcbfaf3226e09e8e9dbea7c122840cba237ab6030b80e.exe	90

C:\Users\Admin\AppData\Local\Temp\48772414398af77a3a9dcbfaf3226e09e8e9dbea7c122840cba237ab6030b80e.exe
"C:\Users\Admin\AppData\Local\Temp\48772414398af77a3a9dcbfaf3226e09e8e9dbea7c122840cba237ab6030b80e.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3952
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\487724~1.EXE > nul
  2⤵
  PID:2484

C:\Windows\Debug\jmahost.exe
C:\Windows\Debug\jmahost.exe
1⤵
- Executes dropped EXE
- Checks processor information in registry
PID:4920

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

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Downloads

C:\Windows\debug\jmahost.exe

Filesize
196KB

MD5
a3da74df9820b8205878c730fe0403dd

SHA1
d02da7090cb7d68c1223262159892ce9fc38e3e1

SHA256
8a5a247cbd0ec7d18debbcaac9d09c4d8f7e0e389767e021a8c62e7d9ecda309

SHA512
7e38e0ce591150f5ab1f19ce40f859e9f93b6cfaa1d29a1e73a3cca88af8d9cca5283f38abb26749b1ae989cfcdcebca0b7b139f15ff9281c8a33c5783968d2d

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads