b0c457c0ec44a703e2f84aecb788dce2d61eb62735dc4266d9f97595a024fff5

Analysis

max time kernel
142s
max time network
152s
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 19:01

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General

Target

b0c457c0ec44a703e2f84aecb788dce2d61eb62735dc4266d9f97595a024fff5.exe
Size

32KB
MD5

58e08f0b8ac3469ec2a9b13a98a67c80
SHA1

fcd30f864303bdb1318406f85a8df32e3b5639bd
SHA256

b0c457c0ec44a703e2f84aecb788dce2d61eb62735dc4266d9f97595a024fff5
SHA512

346668dbf77d3f345d34837e335d7ba17b65c4534503474cf695e6e271678f9f31b7cb27169ff7d96edfb45deed2a13949512ab335bb44b2c26fa115e2e59be9
SSDEEP

384:+IRenzGwKAZ5OPFyybJBqEWDErnUOoyRBYtih/5w5lkWniT1:+IczCAZ5CFWDEBosYAhhalFn4

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

Processes:

b0c457c0ec44a703e2f84aecb788dce2d61eb62735dc4266d9f97595a024fff5.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	b0c457c0ec44a703e2f84aecb788dce2d61eb62735dc4266d9f97595a024fff5.exe

Maps connected drives based on registry 3 TTPs 2 IoCs

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

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

b0c457c0ec44a703e2f84aecb788dce2d61eb62735dc4266d9f97595a024fff5.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	b0c457c0ec44a703e2f84aecb788dce2d61eb62735dc4266d9f97595a024fff5.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	b0c457c0ec44a703e2f84aecb788dce2d61eb62735dc4266d9f97595a024fff5.exe

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

System Information Discovery
T1082
Enumerates processes with tasklist 1 TTPs 1 IoCs

Process Discovery
T1057

Processes:

tasklist.exe

pid process

4896 tasklist.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

tasklist.exe

description pid process

Token: SeDebugPrivilege 4896 tasklist.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

b0c457c0ec44a703e2f84aecb788dce2d61eb62735dc4266d9f97595a024fff5.exe

pid process

3044 b0c457c0ec44a703e2f84aecb788dce2d61eb62735dc4266d9f97595a024fff5.exe

pid	process
4896	tasklist.exe

description	pid	process
Token: SeDebugPrivilege	4896	tasklist.exe

pid	process
3044	b0c457c0ec44a703e2f84aecb788dce2d61eb62735dc4266d9f97595a024fff5.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

b0c457c0ec44a703e2f84aecb788dce2d61eb62735dc4266d9f97595a024fff5.execmd.exe

description	pid	process	target process
PID 3044 wrote to memory of 4424	3044	b0c457c0ec44a703e2f84aecb788dce2d61eb62735dc4266d9f97595a024fff5.exe	cmd.exe
PID 3044 wrote to memory of 4424	3044	b0c457c0ec44a703e2f84aecb788dce2d61eb62735dc4266d9f97595a024fff5.exe	cmd.exe
PID 3044 wrote to memory of 4424	3044	b0c457c0ec44a703e2f84aecb788dce2d61eb62735dc4266d9f97595a024fff5.exe	cmd.exe
PID 4424 wrote to memory of 4896	4424	cmd.exe	tasklist.exe
PID 4424 wrote to memory of 4896	4424	cmd.exe	tasklist.exe
PID 4424 wrote to memory of 4896	4424	cmd.exe	tasklist.exe

C:\Users\Admin\AppData\Local\Temp\b0c457c0ec44a703e2f84aecb788dce2d61eb62735dc4266d9f97595a024fff5.exe
"C:\Users\Admin\AppData\Local\Temp\b0c457c0ec44a703e2f84aecb788dce2d61eb62735dc4266d9f97595a024fff5.exe"
1⤵
- Checks computer location settings
- Maps connected drives based on registry
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3044

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c tasklist&&del b0c457c0ec44a703e2f84aecb788dce2d61eb62735dc4266d9f97595a024fff5.exe
2⤵
- Suspicious use of WriteProcessMemory
PID:4424

C:\Windows\SysWOW64\tasklist.exe
tasklist
3⤵
- Enumerates processes with tasklist
- Suspicious use of AdjustPrivilegeToken
PID:4896

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Process Discovery

T1057

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/4424-134-0x0000000000000000-mapping.dmp

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memory/4896-135-0x0000000000000000-mapping.dmp

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