120d523a0a643888efc5b51719ac8b7f32606e37a10d22cf059929bfbd03939d

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
27/01/2024, 01:42

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General

Target

$R1/$_1_/Uninstall.exe
Size

505KB
MD5

6b4d409e1bbd15243d56cb1768a68033
SHA1

05eb5ef7bfcecbcc8917c821dadffe9604034da4
SHA256

9e24432c7f7420a0f6379bee72b54b711a12bcd708828d5b3a11ba276721cb75
SHA512

094c716f9b0b181f5271b394c2fdf5afa8d66ab4a3cf134497d33fe9a0685b16b2a51e9ba87bf0e9b41a4c0cf9710e06d8221e1be773ce3d5a18c3bd545c72a3
SSDEEP

6144:R50gUCimyti5ELY4jurNXa4bbOV1p7VulOCkqR:j0gOmwO4SrNXhOV1p7klO8R

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2088	Au_.exe

Loads dropped DLL 7 IoCs

pid	Process
944	Uninstall.exe
2088	Au_.exe
2088	Au_.exe
2088	Au_.exe
2088	Au_.exe
2088	Au_.exe
2088	Au_.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	944	Uninstall.exe
Token: SeDebugPrivilege	2088	Au_.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 944 wrote to memory of 2088	944	Uninstall.exe	28
PID 944 wrote to memory of 2088	944	Uninstall.exe	28
PID 944 wrote to memory of 2088	944	Uninstall.exe	28
PID 944 wrote to memory of 2088	944	Uninstall.exe	28
PID 944 wrote to memory of 2088	944	Uninstall.exe	28
PID 944 wrote to memory of 2088	944	Uninstall.exe	28
PID 944 wrote to memory of 2088	944	Uninstall.exe	28

C:\Users\Admin\AppData\Local\Temp\$R1\$_1_\Uninstall.exe
"C:\Users\Admin\AppData\Local\Temp\$R1\$_1_\Uninstall.exe"
1⤵
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:944
- 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
  - Suspicious use of AdjustPrivilegeToken
  PID:2088

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\nsdFBAE.tmp\apphelp.dll

Filesize
1.9MB

MD5
fd3853b5239bbb48b387f4fb5de7e1c2

SHA1
f75b9eb6980687277e45205d08dadc47245c9ab1

SHA256
d7f1657a0b95074c74a36b5255e24e50cb45763f3f579f229819b5798198b38e

SHA512
ec714931434ea454fb0970c8ce5e9212c038d7c1d87c04e4f1e03a4beb89a6fbfa8046184109dc8e8d5c02e8d41d87e14699a0a3472d577eb11f3e76cfeda2fe

Download Submit
\Users\Admin\AppData\Local\Temp\nsdFBAE.tmp\System.dll

Filesize
11KB

MD5
bf712f32249029466fa86756f5546950

SHA1
75ac4dc4808ac148ddd78f6b89a51afbd4091c2e

SHA256
7851cb12fa4131f1fee5de390d650ef65cac561279f1cfe70ad16cc9780210af

SHA512
13f69959b28416e0b8811c962a49309dca3f048a165457051a28a3eb51377dcaf99a15e86d7eee8f867a9e25ecf8c44da370ac8f530eeae7b5252eaba64b96f4

Download Submit
\Users\Admin\AppData\Local\Temp\nsdFBAE.tmp\UAC.dll

Filesize
13KB

MD5
a88baad3461d2e9928a15753b1d93fd7

SHA1
bb826e35264968bbc3b981d8430ac55df1e6d4a6

SHA256
c5ab2926c268257122d0342739e73573d7eeda34c861bc7a68a02cbc69bd41af

SHA512
5edcf46680716930da7fd1a41b8b0426f057cf4becefb3ee84798ec8b449726afb822fb626c4942036a1ae3bb937184d1f71d0e45075abb5bf167f5d833df43a

Download Submit
\Users\Admin\AppData\Local\Temp\nsdFBAE.tmp\nsDialogs.dll

Filesize
9KB

MD5
4ccc4a742d4423f2f0ed744fd9c81f63

SHA1
704f00a1acc327fd879cf75fc90d0b8f927c36bc

SHA256
416133dd86c0dff6b0fcaf1f46dfe97fdc85b37f90effb2d369164a8f7e13ae6

SHA512
790c5eb1f8b297e45054c855b66dfc18e9f3f1b1870559014dbefa3b9d5b6d33a993a9e089202e70f51a55d859b74e8605c6f633386fd9189b6f78941bf1bfdb

Download Submit
\Users\Admin\AppData\Local\Temp\nsdFBAE.tmp\registry.dll

Filesize
24KB

MD5
2b7007ed0262ca02ef69d8990815cbeb

SHA1
2eabe4f755213666dbbbde024a5235ddde02b47f

SHA256
0b25b20f26de5d5bd795f934c70447112b4981343fcb2dfab3374a4018d28c2d

SHA512
aa75ee59ca0b8530eb7298b74e5f334ae9d14129f603b285a3170b82103cfdcc175af8185317e6207142517769e69a24b34fcdf0f58ed50a4960cbe8c22a0aca

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

Filesize
505KB

MD5
6b4d409e1bbd15243d56cb1768a68033

SHA1
05eb5ef7bfcecbcc8917c821dadffe9604034da4

SHA256
9e24432c7f7420a0f6379bee72b54b711a12bcd708828d5b3a11ba276721cb75

SHA512
094c716f9b0b181f5271b394c2fdf5afa8d66ab4a3cf134497d33fe9a0685b16b2a51e9ba87bf0e9b41a4c0cf9710e06d8221e1be773ce3d5a18c3bd545c72a3

Download Submit
memory/2088-16-0x0000000003080000-0x00000000030D9000-memory.dmp

Filesize
356KB

Download