a769231ab8ba7510039f1a503396c23fdfa6545517d5d96bd03a174627e24eb5

Analysis

max time kernel
97s
max time network
98s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
18-09-2024 22:53

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General

Target

$R1/$_1_/Uninstall.exe
Size

194KB
MD5

f3660ce8a3ead23093bdd219d90d532e
SHA1

0fe1665b698b07fa937f2df498334ab50bc6472d
SHA256

289a35991eb5d8a80eeffdea5757ba5b2264891391d06bbcd80dda5ada058479
SHA512

a5d8aa395915ef1ea472d53464ae013bfee3130c7c496c4aeb393d4b69854197610ccd9226a877f1a0c599a506da0b63443f6b6aa5e12e71d9b6169724b7eb05
SSDEEP

3072:U5BuYAVrgUCPnaA44444444444444444444444NoPAZ4444444444444yZ6S6CZn:U50gUCCfPZ6SbOV1pZR4xjXiVM

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4752	Au_.exe

Loads dropped DLL 7 IoCs

pid	Process
4752	Au_.exe
4752	Au_.exe
4752	Au_.exe
4752	Au_.exe
4752	Au_.exe
4752	Au_.exe
4752	Au_.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Uninstall.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Au_.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4752	Au_.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3628 wrote to memory of 4752	3628	Uninstall.exe	82
PID 3628 wrote to memory of 4752	3628	Uninstall.exe	82
PID 3628 wrote to memory of 4752	3628	Uninstall.exe	82

C:\Users\Admin\AppData\Local\Temp\$R1\$_1_\Uninstall.exe
"C:\Users\Admin\AppData\Local\Temp\$R1\$_1_\Uninstall.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3628
- C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe
  "C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe" _?=C:\Users\Admin\AppData\Local\Temp\$R1\$_1_\
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:4752

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\nsz83B8.tmp\System.dll

Filesize
11KB

MD5
bf712f32249029466fa86756f5546950

SHA1
75ac4dc4808ac148ddd78f6b89a51afbd4091c2e

SHA256
7851cb12fa4131f1fee5de390d650ef65cac561279f1cfe70ad16cc9780210af

SHA512
13f69959b28416e0b8811c962a49309dca3f048a165457051a28a3eb51377dcaf99a15e86d7eee8f867a9e25ecf8c44da370ac8f530eeae7b5252eaba64b96f4

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsz83B8.tmp\UAC.dll

Filesize
13KB

MD5
a88baad3461d2e9928a15753b1d93fd7

SHA1
bb826e35264968bbc3b981d8430ac55df1e6d4a6

SHA256
c5ab2926c268257122d0342739e73573d7eeda34c861bc7a68a02cbc69bd41af

SHA512
5edcf46680716930da7fd1a41b8b0426f057cf4becefb3ee84798ec8b449726afb822fb626c4942036a1ae3bb937184d1f71d0e45075abb5bf167f5d833df43a

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsz83B8.tmp\apphelp.dll

Filesize
1.9MB

MD5
23f5cf8738981276020f276b7476d6dd

SHA1
9a02b3660863d75b411d47e17baf1716549fa956

SHA256
563ca40286b7eb0b8fe97b16acf47b4267ba18eed5ef133a75c6511045e9442b

SHA512
992a3aaa3209f0c8cb9dfb8e7714b3b809ad61f116c0b29b29897d242f8453fd71c815f9eeb67c3046a9984a2b41d81b85de1b39cc5c2d16b36b585bbd935245

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsz83B8.tmp\nsDialogs.dll

Filesize
9KB

MD5
4ccc4a742d4423f2f0ed744fd9c81f63

SHA1
704f00a1acc327fd879cf75fc90d0b8f927c36bc

SHA256
416133dd86c0dff6b0fcaf1f46dfe97fdc85b37f90effb2d369164a8f7e13ae6

SHA512
790c5eb1f8b297e45054c855b66dfc18e9f3f1b1870559014dbefa3b9d5b6d33a993a9e089202e70f51a55d859b74e8605c6f633386fd9189b6f78941bf1bfdb

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsz83B8.tmp\registry.dll

Filesize
24KB

MD5
2b7007ed0262ca02ef69d8990815cbeb

SHA1
2eabe4f755213666dbbbde024a5235ddde02b47f

SHA256
0b25b20f26de5d5bd795f934c70447112b4981343fcb2dfab3374a4018d28c2d

SHA512
aa75ee59ca0b8530eb7298b74e5f334ae9d14129f603b285a3170b82103cfdcc175af8185317e6207142517769e69a24b34fcdf0f58ed50a4960cbe8c22a0aca

Download Submit
C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe

Filesize
194KB

MD5
f3660ce8a3ead23093bdd219d90d532e

SHA1
0fe1665b698b07fa937f2df498334ab50bc6472d

SHA256
289a35991eb5d8a80eeffdea5757ba5b2264891391d06bbcd80dda5ada058479

SHA512
a5d8aa395915ef1ea472d53464ae013bfee3130c7c496c4aeb393d4b69854197610ccd9226a877f1a0c599a506da0b63443f6b6aa5e12e71d9b6169724b7eb05

Download Submit
memory/4752-15-0x00000000030B0000-0x0000000003109000-memory.dmp

Filesize
356KB

Download