14066f289048cfc6fae3021d7517586b3d738e462516e97dc62a93ce58a1270a

Analysis

max time kernel
122s
max time network
126s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
13-06-2024 06:28

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General

Target

$R1/$_1_/Uninstall.exe
Size

432KB
MD5

ba4bf933878c8388c0a936550c1f3ad2
SHA1

fc46db566ec29099629c07f59ea4aef39dd7cd6b
SHA256

2b6c7f5137ef3979bdb701c44b9117937a05c99ca3f360a16a19f19524802f05
SHA512

4346eb988c9e365c9a0ac7e96aae86ec47c9c7c2aa8de367261c0c1fce2c1f1540d46053df2752fe6fb1becd16706c03e1c83aa1030ab8e2b94a2fe7a71315a4
SSDEEP

3072:P5BuYAVrgUCPncDYk3gSzYyxyZ+1Q77j6CZp+MHuR1pQfzLH8lOCkqb:P50gUCUkZSsB+Q7nbOV1pULclOCkq

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2172	Au_.exe

Loads dropped DLL 7 IoCs

pid	Process
2500	Uninstall.exe
2172	Au_.exe
2172	Au_.exe
2172	Au_.exe
2172	Au_.exe
2172	Au_.exe
2172	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	2500	Uninstall.exe
Token: SeDebugPrivilege	2172	Au_.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2500 wrote to memory of 2172	2500	Uninstall.exe	28
PID 2500 wrote to memory of 2172	2500	Uninstall.exe	28
PID 2500 wrote to memory of 2172	2500	Uninstall.exe	28
PID 2500 wrote to memory of 2172	2500	Uninstall.exe	28
PID 2500 wrote to memory of 2172	2500	Uninstall.exe	28
PID 2500 wrote to memory of 2172	2500	Uninstall.exe	28
PID 2500 wrote to memory of 2172	2500	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:2500
- 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:2172

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\nsdDF6.tmp\apphelp.dll

Filesize
1.8MB

MD5
782cc7c471a648566a523d8497c0c14c

SHA1
600406959ce8a9a34c9d8af7013a4e00cb87e534

SHA256
f3ad6e5c3965801777fc5b3155a190ed72e216ec70cd4917d147d6ec22f24e63

SHA512
0fcaef7aa32249fcb9d45e6b8f4d763885ce507e311e2d5b4142705aeeb63db0e718145b08c0e8d7477a9d9c20b38234a0011203021f65c605a460b7c3b4b69f

Download Submit
\Users\Admin\AppData\Local\Temp\nsdDF6.tmp\System.dll

Filesize
11KB

MD5
bf712f32249029466fa86756f5546950

SHA1
75ac4dc4808ac148ddd78f6b89a51afbd4091c2e

SHA256
7851cb12fa4131f1fee5de390d650ef65cac561279f1cfe70ad16cc9780210af

SHA512
13f69959b28416e0b8811c962a49309dca3f048a165457051a28a3eb51377dcaf99a15e86d7eee8f867a9e25ecf8c44da370ac8f530eeae7b5252eaba64b96f4

Download Submit
\Users\Admin\AppData\Local\Temp\nsdDF6.tmp\UAC.dll

Filesize
13KB

MD5
a88baad3461d2e9928a15753b1d93fd7

SHA1
bb826e35264968bbc3b981d8430ac55df1e6d4a6

SHA256
c5ab2926c268257122d0342739e73573d7eeda34c861bc7a68a02cbc69bd41af

SHA512
5edcf46680716930da7fd1a41b8b0426f057cf4becefb3ee84798ec8b449726afb822fb626c4942036a1ae3bb937184d1f71d0e45075abb5bf167f5d833df43a

Download Submit
\Users\Admin\AppData\Local\Temp\nsdDF6.tmp\nsDialogs.dll

Filesize
9KB

MD5
4ccc4a742d4423f2f0ed744fd9c81f63

SHA1
704f00a1acc327fd879cf75fc90d0b8f927c36bc

SHA256
416133dd86c0dff6b0fcaf1f46dfe97fdc85b37f90effb2d369164a8f7e13ae6

SHA512
790c5eb1f8b297e45054c855b66dfc18e9f3f1b1870559014dbefa3b9d5b6d33a993a9e089202e70f51a55d859b74e8605c6f633386fd9189b6f78941bf1bfdb

Download Submit
\Users\Admin\AppData\Local\Temp\nsdDF6.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
432KB

MD5
ba4bf933878c8388c0a936550c1f3ad2

SHA1
fc46db566ec29099629c07f59ea4aef39dd7cd6b

SHA256
2b6c7f5137ef3979bdb701c44b9117937a05c99ca3f360a16a19f19524802f05

SHA512
4346eb988c9e365c9a0ac7e96aae86ec47c9c7c2aa8de367261c0c1fce2c1f1540d46053df2752fe6fb1becd16706c03e1c83aa1030ab8e2b94a2fe7a71315a4

Download Submit
memory/2172-16-0x0000000000AE0000-0x0000000000B39000-memory.dmp

Filesize
356KB

Download