dd6c7714b695eb1a6e16aa5e385920a061fca1534ec84012038274f87410c4b3

General

Target

nwEU6IKjU1Kn.exe
Size

14.3MB
MD5

f6f37022aa02f7920bb2922b7166e569
SHA1

775f671492b4332b745fa931944c6655b07a6e51
SHA256

dd6c7714b695eb1a6e16aa5e385920a061fca1534ec84012038274f87410c4b3
SHA512

75f1295cc054fde4d455d689746fa8c49b98680b992c0a22a493ed62ef4d1fee0b4fe6ccc0a86a3ac59217d383086a2d2918b0dcaec0c73a88480fc96c683bee
SSDEEP

393216:AM+wSvBVMRNEe5khbrHQmNJPCtqwZukp8znc:AM+3BiNEVtHvgqTkpmc

Score

9^/10

discovery evasion trojan

Malware Config

Signatures

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

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	nwEU6IKjU1Kn.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	nwEU6IKjU1Kn.exe

Checks BIOS information in registry 2 TTPs 4 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	nwEU6IKjU1Kn.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	nwEU6IKjU1Kn.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	nwEU6IKjU1Kn.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	nwEU6IKjU1Kn.exe

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-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation	ldrupd.bin

Deletes itself 1 IoCs

pid	Process
4164	ldrupd.bin

Executes dropped EXE 2 IoCs

pid	Process
4164	ldrupd.bin
1020	nwEU6IKjU1Kn.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 2 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	nwEU6IKjU1Kn.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	nwEU6IKjU1Kn.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1020	nwEU6IKjU1Kn.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeSystemEnvironmentPrivilege	2276	nwEU6IKjU1Kn.exe
Token: SeSystemEnvironmentPrivilege	1020	nwEU6IKjU1Kn.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1020	nwEU6IKjU1Kn.exe
1020	nwEU6IKjU1Kn.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2276 wrote to memory of 456	2276	nwEU6IKjU1Kn.exe	84
PID 2276 wrote to memory of 456	2276	nwEU6IKjU1Kn.exe	84
PID 2276 wrote to memory of 456	2276	nwEU6IKjU1Kn.exe	84
PID 2276 wrote to memory of 1052	2276	nwEU6IKjU1Kn.exe	85
PID 2276 wrote to memory of 1052	2276	nwEU6IKjU1Kn.exe	85
PID 2276 wrote to memory of 1052	2276	nwEU6IKjU1Kn.exe	85
PID 2276 wrote to memory of 4164	2276	nwEU6IKjU1Kn.exe	90
PID 2276 wrote to memory of 4164	2276	nwEU6IKjU1Kn.exe	90
PID 4164 wrote to memory of 1020	4164	ldrupd.bin	92
PID 4164 wrote to memory of 1020	4164	ldrupd.bin	92
PID 1020 wrote to memory of 4100	1020	nwEU6IKjU1Kn.exe	98
PID 1020 wrote to memory of 4100	1020	nwEU6IKjU1Kn.exe	98
PID 1020 wrote to memory of 4100	1020	nwEU6IKjU1Kn.exe	98
PID 1020 wrote to memory of 1992	1020	nwEU6IKjU1Kn.exe	99
PID 1020 wrote to memory of 1992	1020	nwEU6IKjU1Kn.exe	99
PID 1020 wrote to memory of 1992	1020	nwEU6IKjU1Kn.exe	99

C:\Users\Admin\AppData\Local\Temp\nwEU6IKjU1Kn.exe
"C:\Users\Admin\AppData\Local\Temp\nwEU6IKjU1Kn.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2276
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\SysWOW64\cmd.exe"
  2⤵
  PID:456
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\SysWOW64\cmd.exe"
  2⤵
  PID:1052
- C:\Users\Admin\AppData\Local\ldrupd.bin
  "C:\Users\Admin\AppData\Local\ldrupd.bin"
  2⤵
  - Checks computer location settings
  - Deletes itself
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:4164
- - C:\Users\Admin\AppData\Local\Temp\nwEU6IKjU1Kn.exe
    "C:\Users\Admin\AppData\Local\Temp\nwEU6IKjU1Kn.exe"
    3⤵
    - Identifies VirtualBox via ACPI registry values (likely anti-VM)
    - Checks BIOS information in registry
    - Executes dropped EXE
    - Checks whether UAC is enabled
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1020
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\SysWOW64\cmd.exe"
      4⤵
      PID:4100
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\SysWOW64\cmd.exe"
      4⤵
      PID:1992

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

1

T1497

Credential Access

Discovery

Query Registry

4

T1012

System Information Discovery

4

T1082

Virtualization/Sandbox Evasion

1

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\nwEU6IKjU1Kn.exe

Filesize
16.2MB

MD5
892c372206311a3867f66753b5e0674a

SHA1
5603338f29010166bc4a7bdffa0167f40d72f1fd

SHA256
fdd34d4ee9776ada42d9b4ba2363e2062c8bdefa45089f7b2c89fed3be57395d

SHA512
e731f47123a676f83e197bf8cc262a0775b3bba739345845d0a249a76ab602e7c22189d5e03ab37564bdf3e6558c63ab1dbd67436024ae0273d0b97f64d2cc94

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

Filesize
3KB

MD5
a24978a6b77e2cd99823e24c6eb4d055

SHA1
05aab593ba8e0c21f2859d04d4810fdd1ce453c3

SHA256
80ac94c086eb6e52bc3bbebd86e0795f6cb7476153af0c767b9ae4b7e9931140

SHA512
24356ce42d0fd7839166416604fd7bd101cab8754de095676c921bfb664bc110e8a87cb863afefb5fd98450496c1b3e303851943f13a3e19f206350239c2a8db

Download Submit
memory/1020-22-0x0000000140000000-0x0000000142343000-memory.dmp

Filesize
35.3MB

Download
memory/1020-19-0x0000000140000000-0x0000000142343000-memory.dmp

Filesize
35.3MB

Download
memory/1020-566-0x0000000140000000-0x0000000142343000-memory.dmp

Filesize
35.3MB

Download
memory/1020-562-0x0000000140000000-0x0000000142343000-memory.dmp

Filesize
35.3MB

Download
memory/1020-23-0x0000000002520000-0x0000000002521000-memory.dmp

Filesize
4KB

Download
memory/1020-21-0x0000000140000000-0x0000000142343000-memory.dmp

Filesize
35.3MB

Download
memory/1020-20-0x0000000140000000-0x0000000142343000-memory.dmp

Filesize
35.3MB

Download
memory/2276-2-0x0000000140000000-0x0000000142343000-memory.dmp

Filesize
35.3MB

Download
memory/2276-1-0x0000000140000000-0x0000000142343000-memory.dmp

Filesize
35.3MB

Download
memory/2276-10-0x0000000140000000-0x0000000142343000-memory.dmp

Filesize
35.3MB

Download
memory/2276-0-0x0000000140000000-0x0000000142343000-memory.dmp

Filesize
35.3MB

Download
memory/2276-3-0x0000000140000000-0x0000000142343000-memory.dmp

Filesize
35.3MB

Download
memory/2276-5-0x0000000140000000-0x0000000142343000-memory.dmp

Filesize
35.3MB

Download
memory/2276-4-0x0000000140000000-0x0000000142343000-memory.dmp

Filesize
35.3MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads