06a2ece4120121d97b8a48c40af821e48106a35a110dea56dad0e07ae02a5e27

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
22/01/2024, 14:25

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General

Target

$R1/$_1_/Uninstall.exe
Size

300KB
MD5

5221c7b9e997ca55a04536a6e06d956d
SHA1

3c7ea511c6d400123d7eee76043372c2d8d39ac6
SHA256

85157bfd33b4b761f1a0f924c0a48496d99d018cba4d8901129656bc4f72f207
SHA512

3b2bbdec9c3d735a0cc935199cca6ad43737e37ef12a535dd6d04d9b02f38ea18525884e6afccc7bf1a8c6f09e409003edfdc8497f72326b47a9962b34647379
SSDEEP

6144:N50gUCqUKdOEi9JEeF/mbOV1pj74oHKitRW:P0geUeqTF/sOV1pj7NHC

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2216	Au_.exe

Loads dropped DLL 7 IoCs

pid	Process
2860	Uninstall.exe
2216	Au_.exe
2216	Au_.exe
2216	Au_.exe
2216	Au_.exe
2216	Au_.exe
2216	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	2860	Uninstall.exe
Token: SeDebugPrivilege	2216	Au_.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2860 wrote to memory of 2216	2860	Uninstall.exe	28
PID 2860 wrote to memory of 2216	2860	Uninstall.exe	28
PID 2860 wrote to memory of 2216	2860	Uninstall.exe	28
PID 2860 wrote to memory of 2216	2860	Uninstall.exe	28
PID 2860 wrote to memory of 2216	2860	Uninstall.exe	28
PID 2860 wrote to memory of 2216	2860	Uninstall.exe	28
PID 2860 wrote to memory of 2216	2860	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:2860
- 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:2216

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\nsd658.tmp\apphelp.dll

Filesize
1.8MB

MD5
c9175d4a258ddbc431108be3c52977a4

SHA1
d0df945d2c9e34a081b7cfa2a4912bf74eb125a3

SHA256
b2cc685d31f6aac14b91f641c3e6efe55e6a15ee733c684c854ad351b542967c

SHA512
595954ea34a6f5c3a7de34ff5f447dc49f09a6de064bfb517b6b19a08223312c8c0804beb32bf99124317bd5a697bce33c919a79c52847dc76ef15887b528c2d

Download Submit
\Users\Admin\AppData\Local\Temp\nsd658.tmp\System.dll

Filesize
11KB

MD5
bf712f32249029466fa86756f5546950

SHA1
75ac4dc4808ac148ddd78f6b89a51afbd4091c2e

SHA256
7851cb12fa4131f1fee5de390d650ef65cac561279f1cfe70ad16cc9780210af

SHA512
13f69959b28416e0b8811c962a49309dca3f048a165457051a28a3eb51377dcaf99a15e86d7eee8f867a9e25ecf8c44da370ac8f530eeae7b5252eaba64b96f4

Download Submit
\Users\Admin\AppData\Local\Temp\nsd658.tmp\UAC.dll

Filesize
13KB

MD5
a88baad3461d2e9928a15753b1d93fd7

SHA1
bb826e35264968bbc3b981d8430ac55df1e6d4a6

SHA256
c5ab2926c268257122d0342739e73573d7eeda34c861bc7a68a02cbc69bd41af

SHA512
5edcf46680716930da7fd1a41b8b0426f057cf4becefb3ee84798ec8b449726afb822fb626c4942036a1ae3bb937184d1f71d0e45075abb5bf167f5d833df43a

Download Submit
\Users\Admin\AppData\Local\Temp\nsd658.tmp\nsDialogs.dll

Filesize
9KB

MD5
4ccc4a742d4423f2f0ed744fd9c81f63

SHA1
704f00a1acc327fd879cf75fc90d0b8f927c36bc

SHA256
416133dd86c0dff6b0fcaf1f46dfe97fdc85b37f90effb2d369164a8f7e13ae6

SHA512
790c5eb1f8b297e45054c855b66dfc18e9f3f1b1870559014dbefa3b9d5b6d33a993a9e089202e70f51a55d859b74e8605c6f633386fd9189b6f78941bf1bfdb

Download Submit
\Users\Admin\AppData\Local\Temp\nsd658.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
300KB

MD5
5221c7b9e997ca55a04536a6e06d956d

SHA1
3c7ea511c6d400123d7eee76043372c2d8d39ac6

SHA256
85157bfd33b4b761f1a0f924c0a48496d99d018cba4d8901129656bc4f72f207

SHA512
3b2bbdec9c3d735a0cc935199cca6ad43737e37ef12a535dd6d04d9b02f38ea18525884e6afccc7bf1a8c6f09e409003edfdc8497f72326b47a9962b34647379

Download Submit
memory/2216-16-0x0000000002520000-0x0000000002579000-memory.dmp

Filesize
356KB

Download