a61f68dcbe11d67c67a3e15bd65b0404ca40b5dce96128fdcd447395fe5be005

Analysis

max time kernel
117s
max time network
124s
platform
windows7_x64
resource
win7-20240611-en
resource tags

arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
submitted
13/06/2024, 01:50

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General

Target

a61f68dcbe11d67c67a3e15bd65b0404ca40b5dce96128fdcd447395fe5be005.exe
Size

17.6MB
MD5

09936bec5ef511e3faf6cf174df4345b
SHA1

90602dbf90f192207efede8772398f90aea79ec3
SHA256

a61f68dcbe11d67c67a3e15bd65b0404ca40b5dce96128fdcd447395fe5be005
SHA512

22582ce6cebb938241e7c7d5d89468fda1e09b1569ce78b6f78a922a2b263f88b838a79cf3ee6effa8701f9ee5d5c8fc44b269c43a34d5b0950b88c3ff030fc5
SSDEEP

393216:gYZf5+zosIYmy8CcnsOapxtH+MLMzylBGFlR03ptEPdR7u:NZf5+0lLPnVapxtxMzylB+0kdc

Score

9^/10

discovery evasion trojan

Malware Config

Signatures

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	a61f68dcbe11d67c67a3e15bd65b0404ca40b5dce96128fdcd447395fe5be005.exe

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	a61f68dcbe11d67c67a3e15bd65b0404ca40b5dce96128fdcd447395fe5be005.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	a61f68dcbe11d67c67a3e15bd65b0404ca40b5dce96128fdcd447395fe5be005.exe

Deletes itself 1 IoCs

pid	Process
1672	ldrupd.bin

Executes dropped EXE 1 IoCs

pid	Process
1672	ldrupd.bin

Loads dropped DLL 5 IoCs

pid	Process
1768	a61f68dcbe11d67c67a3e15bd65b0404ca40b5dce96128fdcd447395fe5be005.exe
1768	a61f68dcbe11d67c67a3e15bd65b0404ca40b5dce96128fdcd447395fe5be005.exe
2640	WerFault.exe
2640	WerFault.exe
2640	WerFault.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	a61f68dcbe11d67c67a3e15bd65b0404ca40b5dce96128fdcd447395fe5be005.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeLoadDriverPrivilege	1768	a61f68dcbe11d67c67a3e15bd65b0404ca40b5dce96128fdcd447395fe5be005.exe
Token: SeSystemEnvironmentPrivilege	1768	a61f68dcbe11d67c67a3e15bd65b0404ca40b5dce96128fdcd447395fe5be005.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1768 wrote to memory of 3000	1768	a61f68dcbe11d67c67a3e15bd65b0404ca40b5dce96128fdcd447395fe5be005.exe	28
PID 1768 wrote to memory of 3000	1768	a61f68dcbe11d67c67a3e15bd65b0404ca40b5dce96128fdcd447395fe5be005.exe	28
PID 1768 wrote to memory of 3000	1768	a61f68dcbe11d67c67a3e15bd65b0404ca40b5dce96128fdcd447395fe5be005.exe	28
PID 1768 wrote to memory of 3000	1768	a61f68dcbe11d67c67a3e15bd65b0404ca40b5dce96128fdcd447395fe5be005.exe	28
PID 1768 wrote to memory of 2104	1768	a61f68dcbe11d67c67a3e15bd65b0404ca40b5dce96128fdcd447395fe5be005.exe	29
PID 1768 wrote to memory of 2104	1768	a61f68dcbe11d67c67a3e15bd65b0404ca40b5dce96128fdcd447395fe5be005.exe	29
PID 1768 wrote to memory of 2104	1768	a61f68dcbe11d67c67a3e15bd65b0404ca40b5dce96128fdcd447395fe5be005.exe	29
PID 1768 wrote to memory of 2104	1768	a61f68dcbe11d67c67a3e15bd65b0404ca40b5dce96128fdcd447395fe5be005.exe	29
PID 1768 wrote to memory of 1672	1768	a61f68dcbe11d67c67a3e15bd65b0404ca40b5dce96128fdcd447395fe5be005.exe	30
PID 1768 wrote to memory of 1672	1768	a61f68dcbe11d67c67a3e15bd65b0404ca40b5dce96128fdcd447395fe5be005.exe	30
PID 1768 wrote to memory of 1672	1768	a61f68dcbe11d67c67a3e15bd65b0404ca40b5dce96128fdcd447395fe5be005.exe	30
PID 1672 wrote to memory of 2640	1672	ldrupd.bin	31
PID 1672 wrote to memory of 2640	1672	ldrupd.bin	31
PID 1672 wrote to memory of 2640	1672	ldrupd.bin	31

C:\Users\Admin\AppData\Local\Temp\a61f68dcbe11d67c67a3e15bd65b0404ca40b5dce96128fdcd447395fe5be005.exe
"C:\Users\Admin\AppData\Local\Temp\a61f68dcbe11d67c67a3e15bd65b0404ca40b5dce96128fdcd447395fe5be005.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Loads dropped DLL
- Checks whether UAC is enabled
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1768
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\SysWOW64\cmd.exe"
  2⤵
  PID:3000
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\SysWOW64\cmd.exe"
  2⤵
  PID:2104
- C:\Users\Admin\AppData\Local\ldrupd.bin
  "C:\Users\Admin\AppData\Local\ldrupd.bin"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:1672
- - C:\Windows\system32\WerFault.exe
    C:\Windows\system32\WerFault.exe -u -p 1672 -s 100
    3⤵
    - Loads dropped DLL
    PID:2640

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\ldrupd.bin

Filesize
3KB

MD5
a24978a6b77e2cd99823e24c6eb4d055

SHA1
05aab593ba8e0c21f2859d04d4810fdd1ce453c3

SHA256
80ac94c086eb6e52bc3bbebd86e0795f6cb7476153af0c767b9ae4b7e9931140

SHA512
24356ce42d0fd7839166416604fd7bd101cab8754de095676c921bfb664bc110e8a87cb863afefb5fd98450496c1b3e303851943f13a3e19f206350239c2a8db

Download Submit
memory/1768-1-0x0000000140000000-0x00000001422DA000-memory.dmp

Filesize
34.9MB

Download
memory/1768-3-0x0000000140000000-0x00000001422DA000-memory.dmp

Filesize
34.9MB

Download
memory/1768-0-0x0000000140000000-0x00000001422DA000-memory.dmp

Filesize
34.9MB

Download
memory/1768-2-0x0000000140000000-0x00000001422DA000-memory.dmp

Filesize
34.9MB

Download
memory/1768-4-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/1768-43-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/1768-42-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/1768-85-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/1768-84-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/1768-83-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/1768-137-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/1768-136-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/1768-135-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/1768-134-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/1768-133-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/1768-132-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/1768-80-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/1768-79-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/1768-78-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/1768-192-0x0000000140000000-0x00000001422DA000-memory.dmp

Filesize
34.9MB

Download
memory/1768-195-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/1768-199-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/1768-198-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/1768-218-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/1768-217-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/1768-216-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/1768-215-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/1768-214-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/1768-213-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/1768-212-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/1768-211-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/1768-210-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/1768-209-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/1768-208-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/1768-207-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/1768-206-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/1768-205-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/1768-204-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/1768-203-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/1768-202-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/1768-201-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/1768-200-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/1768-197-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/1768-196-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/1768-194-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/1768-193-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/1768-592-0x0000000000200000-0x000000000020A000-memory.dmp

Filesize
40KB

Download
memory/1768-591-0x0000000000200000-0x000000000020A000-memory.dmp

Filesize
40KB

Download
memory/1768-601-0x0000000140000000-0x00000001422DA000-memory.dmp

Filesize
34.9MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads