b7dba8749e2cfcf00d5570de1cbc2b993f9117de488b59ad5da6170e37db3355

Analysis

max time kernel
47s
max time network
60s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
05/12/2022, 09:29

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General

Target

b7dba8749e2cfcf00d5570de1cbc2b993f9117de488b59ad5da6170e37db3355.exe
Size

116KB
MD5

dab031682b77a4fc61bc5ee3bb102b1f
SHA1

56884abfefabd8c281d6b6cd3e4e79958c84cade
SHA256

b7dba8749e2cfcf00d5570de1cbc2b993f9117de488b59ad5da6170e37db3355
SHA512

e8c821fc71bc0b82d3fd2cb5341585b24963b92f00fb400547130cc9681076649f23906b667fc9d3ef985f38f56b1553b70228f2ea451ca9f6b764889c07fbaf
SSDEEP

3072:t9KOOSgzg7ERvFb4Jl8DNGOnvXSziI3TkBuGAc8YhJ1x:t9ZY5vFb4JlKNGs+iUTk4WZhR

Score

6^/10

Malware Config

Signatures

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 value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	b7dba8749e2cfcf00d5570de1cbc2b993f9117de488b59ad5da6170e37db3355.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	b7dba8749e2cfcf00d5570de1cbc2b993f9117de488b59ad5da6170e37db3355.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
684	tasklist.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	684	tasklist.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1600	b7dba8749e2cfcf00d5570de1cbc2b993f9117de488b59ad5da6170e37db3355.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1600 wrote to memory of 1468	1600	b7dba8749e2cfcf00d5570de1cbc2b993f9117de488b59ad5da6170e37db3355.exe	29
PID 1600 wrote to memory of 1468	1600	b7dba8749e2cfcf00d5570de1cbc2b993f9117de488b59ad5da6170e37db3355.exe	29
PID 1600 wrote to memory of 1468	1600	b7dba8749e2cfcf00d5570de1cbc2b993f9117de488b59ad5da6170e37db3355.exe	29
PID 1600 wrote to memory of 1468	1600	b7dba8749e2cfcf00d5570de1cbc2b993f9117de488b59ad5da6170e37db3355.exe	29
PID 1468 wrote to memory of 684	1468	cmd.exe	31
PID 1468 wrote to memory of 684	1468	cmd.exe	31
PID 1468 wrote to memory of 684	1468	cmd.exe	31
PID 1468 wrote to memory of 684	1468	cmd.exe	31

C:\Users\Admin\AppData\Local\Temp\b7dba8749e2cfcf00d5570de1cbc2b993f9117de488b59ad5da6170e37db3355.exe
"C:\Users\Admin\AppData\Local\Temp\b7dba8749e2cfcf00d5570de1cbc2b993f9117de488b59ad5da6170e37db3355.exe"
1⤵
- Maps connected drives based on registry
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1600
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c tasklist&&del b7dba8749e2cfcf00d5570de1cbc2b993f
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1468
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:684

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/1600-56-0x0000000075C51000-0x0000000075C53000-memory.dmp

Filesize
8KB

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