a5afd05f8862d735a3a6a406eb0f977aee5937a78ecee1aa703bed2f946095fb

Analysis

max time kernel
29s
max time network
45s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
21/10/2022, 02:13

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General

Target

a5afd05f8862d735a3a6a406eb0f977aee5937a78ecee1aa703bed2f946095fb.exe
Size

72KB
MD5

58d40bec4b6f213920348f1ac03ab2d0
SHA1

8ced8a079fecd043f997240f38f91182f2aadf54
SHA256

a5afd05f8862d735a3a6a406eb0f977aee5937a78ecee1aa703bed2f946095fb
SHA512

410cb074cd453d11baafedeb586db09aced4f0f40c9b28a1362991fc6746312aea25de5d65b49527d0d8226ac7c844726674e50170aea17d96829c8320bf77a1
SSDEEP

768:BKmHCKI0RNZQHegeH22Au7gOKktdptJf1IHI8ANO26n6m+XqhWihGXohTP:BKmiZ+/vSHBT26n6LqWLXOL

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
784	cmd.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	a5afd05f8862d735a3a6a406eb0f977aee5937a78ecee1aa703bed2f946095fb.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	a5afd05f8862d735a3a6a406eb0f977aee5937a78ecee1aa703bed2f946095fb.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
688	tasklist.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	688	tasklist.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
288	a5afd05f8862d735a3a6a406eb0f977aee5937a78ecee1aa703bed2f946095fb.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 288 wrote to memory of 784	288	a5afd05f8862d735a3a6a406eb0f977aee5937a78ecee1aa703bed2f946095fb.exe	29
PID 288 wrote to memory of 784	288	a5afd05f8862d735a3a6a406eb0f977aee5937a78ecee1aa703bed2f946095fb.exe	29
PID 288 wrote to memory of 784	288	a5afd05f8862d735a3a6a406eb0f977aee5937a78ecee1aa703bed2f946095fb.exe	29
PID 288 wrote to memory of 784	288	a5afd05f8862d735a3a6a406eb0f977aee5937a78ecee1aa703bed2f946095fb.exe	29
PID 784 wrote to memory of 688	784	cmd.exe	31
PID 784 wrote to memory of 688	784	cmd.exe	31
PID 784 wrote to memory of 688	784	cmd.exe	31
PID 784 wrote to memory of 688	784	cmd.exe	31

C:\Users\Admin\AppData\Local\Temp\a5afd05f8862d735a3a6a406eb0f977aee5937a78ecee1aa703bed2f946095fb.exe
"C:\Users\Admin\AppData\Local\Temp\a5afd05f8862d735a3a6a406eb0f977aee5937a78ecee1aa703bed2f946095fb.exe"
1⤵
- Maps connected drives based on registry
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:288
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c tasklist&&del a5afd05f8862d735a3a6a406eb0f977aee5937a78ecee1aa703bed2f946095fb.exe
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:784
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:688

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/288-56-0x0000000075771000-0x0000000075773000-memory.dmp

Filesize
8KB

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