d07a3ca08c9fc3843e8e6c741db577513ff49a863598ce9a32c8199d3017fc64

Analysis

max time kernel
13s
max time network
19s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
14/07/2024, 22:51

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General

Target

uninst.exe
Size

267KB
MD5

9d64af408c95bf65b43e01a38b8f1402
SHA1

965e3725fcf5075f4292564ea04a240cfdd8bfc0
SHA256

814412530efa79ea169bd7c83be08aa0c51236762286b4632a08e1a2fe324c8e
SHA512

2918dd13d60d2fc4649c412860cee6248b9e64ef0affad2280c8c28e839536bb1a422eec0a7ed7aca60a8135f81f4f6266c2358ce5501e78c345498f6eb898e0
SSDEEP

6144:2e34Qiaq5M+jxgXoy3MEXBEVKFtIsHl+VwXTZkkr:3q55VgXogXG0FtX+w5

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2064	Au_.exe

Loads dropped DLL 8 IoCs

pid	Process
2508	uninst.exe
2064	Au_.exe
2064	Au_.exe
2064	Au_.exe
2064	Au_.exe
2064	Au_.exe
2064	Au_.exe
2064	Au_.exe

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

System Information Discovery
T1082

NSIS installer 2 IoCs

installer

resource	yara_rule
behavioral13/files/0x002c000000018f80-2.dat	nsis_installer_1
behavioral13/files/0x002c000000018f80-2.dat	nsis_installer_2

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
2064	Au_.exe
2064	Au_.exe
2064	Au_.exe
2064	Au_.exe
2064	Au_.exe
2064	Au_.exe
2064	Au_.exe
2064	Au_.exe
2064	Au_.exe
2064	Au_.exe
2064	Au_.exe
2064	Au_.exe
2064	Au_.exe
2064	Au_.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2508 wrote to memory of 2064	2508	uninst.exe	29
PID 2508 wrote to memory of 2064	2508	uninst.exe	29
PID 2508 wrote to memory of 2064	2508	uninst.exe	29
PID 2508 wrote to memory of 2064	2508	uninst.exe	29
PID 2508 wrote to memory of 2064	2508	uninst.exe	29
PID 2508 wrote to memory of 2064	2508	uninst.exe	29
PID 2508 wrote to memory of 2064	2508	uninst.exe	29

C:\Users\Admin\AppData\Local\Temp\uninst.exe
"C:\Users\Admin\AppData\Local\Temp\uninst.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2508
- 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\
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  PID:2064

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

\Users\Admin\AppData\Local\Temp\nsz8612.tmp\System.dll

Filesize
11KB

MD5
c17103ae9072a06da581dec998343fc1

SHA1
b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

SHA256
dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

SHA512
d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

Download Submit
\Users\Admin\AppData\Local\Temp\nsz8612.tmp\nsProcEx.dll

Filesize
24KB

MD5
0216cab025a4ea223141f66cbe14ccaf

SHA1
b08b563d5fd794e17208912e8237c961bca5516f

SHA256
c5c30c304347226e4ae6b758ba6ba0589cf1c0aee55886c4354859088bf88cf7

SHA512
e870aa7381e459e4114529efbfe0a354216b8e846c7c60e550749c6c625b98f8633da5e30192737a5f65de387f9497eebaf6502615cbb6fa16da5b8c5574207a

Download Submit
\Users\Admin\AppData\Local\Temp\nsz8612.tmp\nsProcess.dll

Filesize
4KB

MD5
8f4ac52cb2f7143f29f114add12452ad

SHA1
29dc25f5d69bf129d608b83821c8ec8ab8c8edb3

SHA256
b214d73aea95191f7363ad93cdc12b6fbd50a3a54b0aa891b3d45bc4b7b2aa04

SHA512
2f9e2c7450557c2b88a12d3a3b4ab999c9f2a4df0d39dcd795b307b89855387bc96fc6d4fb51de8f33de0780e08a3b15fdad43daeaf7373cca71b01d7afdaf0c

Download Submit
\Users\Admin\AppData\Local\Temp\nsz8612.tmp\winscrs.dll

Filesize
380KB

MD5
aba9373b88d323528199356d0e3e6ac3

SHA1
d409ffef8a2e9de8c02950c505d6df4e8be48048

SHA256
a395a9f9e744a9032635f6db7a037c446568adb673130ef442f804aef26f458d

SHA512
0ffad45fb8971e4e71fe8baf053d6b99e27a277269345668cdf4c0ce87093e9c779dec8682a84393a4c9a175206c25c276f86c39e76ef14ca18e837b66c340d0

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

Filesize
267KB

MD5
9d64af408c95bf65b43e01a38b8f1402

SHA1
965e3725fcf5075f4292564ea04a240cfdd8bfc0

SHA256
814412530efa79ea169bd7c83be08aa0c51236762286b4632a08e1a2fe324c8e

SHA512
2918dd13d60d2fc4649c412860cee6248b9e64ef0affad2280c8c28e839536bb1a422eec0a7ed7aca60a8135f81f4f6266c2358ce5501e78c345498f6eb898e0

Download Submit
memory/2064-28-0x00000000025A0000-0x0000000002603000-memory.dmp

Filesize
396KB

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