752fa6e4b62d30146d4639d84307a5cbbd74ef990305327cd15c7a6f070d53e4

Analysis

max time kernel
140s
max time network
105s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
02-05-2024 10:14

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General

Target

Uninstall.exe
Size

99KB
MD5

938a3a38a1f3305e267f050f4567e259
SHA1

5f39937c32ace402530c93a8ec445ebcfe2bfdd1
SHA256

081b40881c097faa045087133cd2353386c1066f95a3f2ec2ef10a9909f3f12c
SHA512

ffe97f9960fb28d68dd9659589f01894064207b2e38d23401181bc021dc6cbfa6f920010c65938e0d020068ff414fddeb7ebc190471153f420752e8581b3c86b
SSDEEP

3072:X5TDpNFVbxDSXJF3BaVHhiLas+rgHjoc2YvH+mN:X57Tcf3BcHhkTO/nYvB

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1016	Au_.exe

Loads dropped DLL 3 IoCs

pid	Process
1016	Au_.exe
1016	Au_.exe
1016	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
behavioral18/files/0x000c000000023b70-3.dat	nsis_installer_1
behavioral18/files/0x000c000000023b70-3.dat	nsis_installer_2

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3188 wrote to memory of 1016	3188	Uninstall.exe	84
PID 3188 wrote to memory of 1016	3188	Uninstall.exe	84
PID 3188 wrote to memory of 1016	3188	Uninstall.exe	84

C:\Users\Admin\AppData\Local\Temp\Uninstall.exe
"C:\Users\Admin\AppData\Local\Temp\Uninstall.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3188
- 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
  PID:1016

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\nsd3672.tmp\InstallOptions.dll

Filesize
14KB

MD5
714e0ecd29f9ec555f350f38672726c7

SHA1
555b1492e782d7a30f280f2aecb64c642c1aaad3

SHA256
21fea4cf18de8e25d0ffa3375699150fcd04e6d470358696f2dffdd3fc09d7f3

SHA512
ced5814f25b688d1ede5a1395bcca69e1a0cba260104f156dc03de6ebb2015f6d832fed86ac234c36a10a75be33f489a63c8bd6111e3aaf4b078af1d94b00312

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C:\Users\Admin\AppData\Local\Temp\nsd3672.tmp\System.dll

Filesize
11KB

MD5
960a5c48e25cf2bca332e74e11d825c9

SHA1
da35c6816ace5daf4c6c1d57b93b09a82ecdc876

SHA256
484f8e9f194ed9016274ef3672b2c52ed5f574fb71d3884edf3c222b758a75a2

SHA512
cc450179e2d0d56aee2ccf8163d3882978c4e9c1aa3d3a95875fe9ba9831e07ddfd377111dc67f801fa53b6f468a418f086f1de7c71e0a5b634e1ae2a67cd3da

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C:\Users\Admin\AppData\Local\Temp\nsd3672.tmp\ioSpecial.ini

Filesize
575B

MD5
0df22361e86478d6306ffe65d53deb94

SHA1
2cb467b0d33b8faf312ee4947250121999f186df

SHA256
5b7c9aff6d4babc46f4e2396e43c047e985c04e15d5161f4e2ee62d118347f8f

SHA512
1e980ca2f2c811050609e7dc1c518a24faa71b7d8ccd68392996cd17c445509a6fc8f86eb469e8d7aa3fb9f82239c728027b159d41161ed8daefe09776b72e2b

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

Filesize
99KB

MD5
938a3a38a1f3305e267f050f4567e259

SHA1
5f39937c32ace402530c93a8ec445ebcfe2bfdd1

SHA256
081b40881c097faa045087133cd2353386c1066f95a3f2ec2ef10a9909f3f12c

SHA512
ffe97f9960fb28d68dd9659589f01894064207b2e38d23401181bc021dc6cbfa6f920010c65938e0d020068ff414fddeb7ebc190471153f420752e8581b3c86b

Download Submit