3b4e5651a3a4b96bf197f0a7b3cda3f90c0c829e4dd2557225c8ba6c4c9234ad

Analysis

max time kernel
44s
max time network
49s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
03-10-2022 06:53

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General

Target

3b4e5651a3a4b96bf197f0a7b3cda3f90c0c829e4dd2557225c8ba6c4c9234ad.exe
Size

92KB
MD5

698ed1228627b5ee1b6c663f2f11be90
SHA1

5552ed0d5f0fa5ff235889898b5e95e245a015d1
SHA256

3b4e5651a3a4b96bf197f0a7b3cda3f90c0c829e4dd2557225c8ba6c4c9234ad
SHA512

1bdfff3ac429339cfc5cc9a841a67a8ca44e108b491f676924248afaa828c78b85990d9fde8789d1636fb87401943536efe83496bc2549871103529eff184f6a
SSDEEP

1536:t6QE9k2lmZSQ/bYe0g/ICs+6kzYZVpekZKB0gOEzZGn:tX2lmZSQ/bYPg/ICs+FCVpekZKBMmYn

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	3b4e5651a3a4b96bf197f0a7b3cda3f90c0c829e4dd2557225c8ba6c4c9234ad.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	3b4e5651a3a4b96bf197f0a7b3cda3f90c0c829e4dd2557225c8ba6c4c9234ad.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
520	tasklist.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	520	tasklist.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1048	3b4e5651a3a4b96bf197f0a7b3cda3f90c0c829e4dd2557225c8ba6c4c9234ad.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1048 wrote to memory of 892	1048	3b4e5651a3a4b96bf197f0a7b3cda3f90c0c829e4dd2557225c8ba6c4c9234ad.exe	28
PID 1048 wrote to memory of 892	1048	3b4e5651a3a4b96bf197f0a7b3cda3f90c0c829e4dd2557225c8ba6c4c9234ad.exe	28
PID 1048 wrote to memory of 892	1048	3b4e5651a3a4b96bf197f0a7b3cda3f90c0c829e4dd2557225c8ba6c4c9234ad.exe	28
PID 1048 wrote to memory of 892	1048	3b4e5651a3a4b96bf197f0a7b3cda3f90c0c829e4dd2557225c8ba6c4c9234ad.exe	28
PID 892 wrote to memory of 520	892	cmd.exe	30
PID 892 wrote to memory of 520	892	cmd.exe	30
PID 892 wrote to memory of 520	892	cmd.exe	30
PID 892 wrote to memory of 520	892	cmd.exe	30

C:\Users\Admin\AppData\Local\Temp\3b4e5651a3a4b96bf197f0a7b3cda3f90c0c829e4dd2557225c8ba6c4c9234ad.exe
"C:\Users\Admin\AppData\Local\Temp\3b4e5651a3a4b96bf197f0a7b3cda3f90c0c829e4dd2557225c8ba6c4c9234ad.exe"
1⤵
- Maps connected drives based on registry
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1048
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c tasklist&&del 3b4e5651a3a4b96bf197f0a7b3cda3f90c
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:892
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:520

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

Replay Monitor

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Downloads

memory/520-58-0x0000000000000000-mapping.dmp

Download
memory/892-57-0x0000000000000000-mapping.dmp

Download
memory/1048-56-0x00000000759F1000-0x00000000759F3000-memory.dmp

Filesize
8KB

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