d3439574071195299e3e8c7711dd96899fa069a5c78734f3282e701c1e9e18db

Analysis

max time kernel
186s
max time network
207s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
23-11-2022 19:07

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General

Target

d3439574071195299e3e8c7711dd96899fa069a5c78734f3282e701c1e9e18db.exe
Size

172KB
MD5

53a054a90836fcf21c006128260a76c0
SHA1

b82d8701610e1371ce1254d744a08537029b144d
SHA256

d3439574071195299e3e8c7711dd96899fa069a5c78734f3282e701c1e9e18db
SHA512

98a175cfc647898c5fd0059bd99145d1f86bb70a90c8f8c45287a488d6aeb6fd51c652ea5b6c04a55d1170858ceaba014f0556c487a07893eec976df23816bcf
SSDEEP

1536:N9ok1MA1b96lU77m5dRloraVQl7MH5xtcl8jsQIrHoK7C6C60:Nh1JYq7m5WWal7MH5xtoSGFC

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:

d3439574071195299e3e8c7711dd96899fa069a5c78734f3282e701c1e9e18db.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\Control Panel\International\Geo\Nation	d3439574071195299e3e8c7711dd96899fa069a5c78734f3282e701c1e9e18db.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:

d3439574071195299e3e8c7711dd96899fa069a5c78734f3282e701c1e9e18db.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	d3439574071195299e3e8c7711dd96899fa069a5c78734f3282e701c1e9e18db.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	d3439574071195299e3e8c7711dd96899fa069a5c78734f3282e701c1e9e18db.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

216 tasklist.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

tasklist.exe

description pid process

Token: SeDebugPrivilege 216 tasklist.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

d3439574071195299e3e8c7711dd96899fa069a5c78734f3282e701c1e9e18db.exe

pid process

2024 d3439574071195299e3e8c7711dd96899fa069a5c78734f3282e701c1e9e18db.exe

pid	process
216	tasklist.exe

description	pid	process
Token: SeDebugPrivilege	216	tasklist.exe

pid	process
2024	d3439574071195299e3e8c7711dd96899fa069a5c78734f3282e701c1e9e18db.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

d3439574071195299e3e8c7711dd96899fa069a5c78734f3282e701c1e9e18db.execmd.exe

description	pid	process	target process
PID 2024 wrote to memory of 4624	2024	d3439574071195299e3e8c7711dd96899fa069a5c78734f3282e701c1e9e18db.exe	cmd.exe
PID 2024 wrote to memory of 4624	2024	d3439574071195299e3e8c7711dd96899fa069a5c78734f3282e701c1e9e18db.exe	cmd.exe
PID 2024 wrote to memory of 4624	2024	d3439574071195299e3e8c7711dd96899fa069a5c78734f3282e701c1e9e18db.exe	cmd.exe
PID 4624 wrote to memory of 216	4624	cmd.exe	tasklist.exe
PID 4624 wrote to memory of 216	4624	cmd.exe	tasklist.exe
PID 4624 wrote to memory of 216	4624	cmd.exe	tasklist.exe

C:\Users\Admin\AppData\Local\Temp\d3439574071195299e3e8c7711dd96899fa069a5c78734f3282e701c1e9e18db.exe
"C:\Users\Admin\AppData\Local\Temp\d3439574071195299e3e8c7711dd96899fa069a5c78734f3282e701c1e9e18db.exe"
1⤵
- Checks computer location settings
- Maps connected drives based on registry
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2024

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c tasklist&&del d3439574071195299e3e8c7711dd96899fa069a5c78734f3282e701c1e9e18db.exe
2⤵
- Suspicious use of WriteProcessMemory
PID:4624

C:\Windows\SysWOW64\tasklist.exe
tasklist
3⤵
- Enumerates processes with tasklist
- Suspicious use of AdjustPrivilegeToken
PID:216

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

Peripheral Device Discovery

T1120

Process Discovery

T1057

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/216-135-0x0000000000000000-mapping.dmp

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memory/4624-134-0x0000000000000000-mapping.dmp

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