db471ec2ec313ebba20d970dd95e31457f519bd651c40072968c114bd3c3f6f2

Analysis

max time kernel
151s
max time network
170s
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 15:45

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General

Target

db471ec2ec313ebba20d970dd95e31457f519bd651c40072968c114bd3c3f6f2.exe
Size

20KB
MD5

7f82efeb2ddfc6b08d32b86f553105ae
SHA1

0b69f14ac5cc43e600d160b3f1417c2c0c95b086
SHA256

db471ec2ec313ebba20d970dd95e31457f519bd651c40072968c114bd3c3f6f2
SHA512

a470fed010dec306a3dd5a45d51f877623516aad1fc4fe7c971dda16171406cabf817e39e7482e2c55badaefa55af2e76fbdd8a55202de7a7cca940208a6133a
SSDEEP

384:lk/WrYzDzz+Z6UASvw0yFeY/l4G2F0dAcEqnXIml/PBu8L3a1HYTXl2:7YzD1Svw0yFnN7dfEqnX1/PU8L3AHYh

Score

8^/10

persistence upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

svchost.exe

pid process

3788 svchost.exe

pid	process
3788	svchost.exe

UPX packed file 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral2/memory/4580-132-0x0000000000400000-0x0000000000416000-memory.dmp	upx
C:\Users\Admin\AppData\Local\Microsoft\svchost.exe	upx
C:\Users\Admin\AppData\Local\Microsoft\svchost.exe	upx
behavioral2/memory/3788-136-0x0000000000400000-0x0000000000416000-memory.dmp	upx

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:

db471ec2ec313ebba20d970dd95e31457f519bd651c40072968c114bd3c3f6f2.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	db471ec2ec313ebba20d970dd95e31457f519bd651c40072968c114bd3c3f6f2.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

svchost.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Update = "C:\\Users\\Admin\\AppData\\Local\\Microsoft\\svchost.exe"	svchost.exe

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

System Information Discovery
T1082

Modifies registry class 1 IoCs

Processes:

db471ec2ec313ebba20d970dd95e31457f519bd651c40072968c114bd3c3f6f2.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	db471ec2ec313ebba20d970dd95e31457f519bd651c40072968c114bd3c3f6f2.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

svchost.exe

description pid process

Token: SeDebugPrivilege 3788 svchost.exe

description	pid	process
Token: SeDebugPrivilege	3788	svchost.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

db471ec2ec313ebba20d970dd95e31457f519bd651c40072968c114bd3c3f6f2.exe

description	pid	process	target process
PID 4580 wrote to memory of 3788	4580	db471ec2ec313ebba20d970dd95e31457f519bd651c40072968c114bd3c3f6f2.exe	svchost.exe
PID 4580 wrote to memory of 3788	4580	db471ec2ec313ebba20d970dd95e31457f519bd651c40072968c114bd3c3f6f2.exe	svchost.exe
PID 4580 wrote to memory of 3788	4580	db471ec2ec313ebba20d970dd95e31457f519bd651c40072968c114bd3c3f6f2.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\db471ec2ec313ebba20d970dd95e31457f519bd651c40072968c114bd3c3f6f2.exe
"C:\Users\Admin\AppData\Local\Temp\db471ec2ec313ebba20d970dd95e31457f519bd651c40072968c114bd3c3f6f2.exe"
1⤵
- Checks computer location settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4580

C:\Users\Admin\AppData\Local\Microsoft\svchost.exe
"C:\Users\Admin\AppData\Local\Microsoft\svchost.exe"
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
PID:3788

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\Local\Microsoft\svchost.exe

Filesize
20KB

MD5
7f82efeb2ddfc6b08d32b86f553105ae

SHA1
0b69f14ac5cc43e600d160b3f1417c2c0c95b086

SHA256
db471ec2ec313ebba20d970dd95e31457f519bd651c40072968c114bd3c3f6f2

SHA512
a470fed010dec306a3dd5a45d51f877623516aad1fc4fe7c971dda16171406cabf817e39e7482e2c55badaefa55af2e76fbdd8a55202de7a7cca940208a6133a

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\svchost.exe

Filesize
20KB

MD5
7f82efeb2ddfc6b08d32b86f553105ae

SHA1
0b69f14ac5cc43e600d160b3f1417c2c0c95b086

SHA256
db471ec2ec313ebba20d970dd95e31457f519bd651c40072968c114bd3c3f6f2

SHA512
a470fed010dec306a3dd5a45d51f877623516aad1fc4fe7c971dda16171406cabf817e39e7482e2c55badaefa55af2e76fbdd8a55202de7a7cca940208a6133a

Download Submit
memory/3788-133-0x0000000000000000-mapping.dmp

Download
memory/3788-136-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/4580-132-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download