fa9054c2360af18e29931f7b262dec864c0685ab048e8e98e4d63387f58aa19d

Analysis

max time kernel
153s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
02/10/2022, 21:56

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General

Target

fa9054c2360af18e29931f7b262dec864c0685ab048e8e98e4d63387f58aa19d.exe
Size

88KB
MD5

3bef287a53a23e2052219b7d73f4ef40
SHA1

48b62fec80a5301f091b8cc87a843d5f5443e39a
SHA256

fa9054c2360af18e29931f7b262dec864c0685ab048e8e98e4d63387f58aa19d
SHA512

8f6e857240ede5f43ef0fa5b0e18e4534b1bc4e0663c5e0b48a5ae31f61b7824ca1f92fe622f701c6404d8abf0402382f1a85385fb4a17a8f6d325d581b9e79b
SSDEEP

1536:xpFrupx9oS7mOTEffZxid/sSTUr0cLSyEmiXeaxWw:xjupxT7rdJTUr0cLSyEJXdWw

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-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	fa9054c2360af18e29931f7b262dec864c0685ab048e8e98e4d63387f58aa19d.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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	fa9054c2360af18e29931f7b262dec864c0685ab048e8e98e4d63387f58aa19d.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	fa9054c2360af18e29931f7b262dec864c0685ab048e8e98e4d63387f58aa19d.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

pid	Process
2024	tasklist.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2024	tasklist.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
5000	fa9054c2360af18e29931f7b262dec864c0685ab048e8e98e4d63387f58aa19d.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 5000 wrote to memory of 2572	5000	fa9054c2360af18e29931f7b262dec864c0685ab048e8e98e4d63387f58aa19d.exe	85
PID 5000 wrote to memory of 2572	5000	fa9054c2360af18e29931f7b262dec864c0685ab048e8e98e4d63387f58aa19d.exe	85
PID 5000 wrote to memory of 2572	5000	fa9054c2360af18e29931f7b262dec864c0685ab048e8e98e4d63387f58aa19d.exe	85
PID 2572 wrote to memory of 2024	2572	cmd.exe	87
PID 2572 wrote to memory of 2024	2572	cmd.exe	87
PID 2572 wrote to memory of 2024	2572	cmd.exe	87

C:\Users\Admin\AppData\Local\Temp\fa9054c2360af18e29931f7b262dec864c0685ab048e8e98e4d63387f58aa19d.exe
"C:\Users\Admin\AppData\Local\Temp\fa9054c2360af18e29931f7b262dec864c0685ab048e8e98e4d63387f58aa19d.exe"
1⤵
- Checks computer location settings
- Maps connected drives based on registry
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5000
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c tasklist&&del fa9054c2360af18e29931f7b262dec864c
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2572
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:2024

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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