20bc0b559120e640d3c739f08a60d4d8e7db8ae88281b2d4301a342aedad4412

Analysis

max time kernel
120s
max time network
122s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
18/03/2024, 11:41

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General

Target

d36b7984a56c9a97846a5989ad062382.exe
Size

242KB
MD5

d36b7984a56c9a97846a5989ad062382
SHA1

18a41b9be835bd65f274e681d73bdb53ebfaf544
SHA256

20bc0b559120e640d3c739f08a60d4d8e7db8ae88281b2d4301a342aedad4412
SHA512

dbc41ed9f492f861115180ece105193e782619760bf531cd4b63471d82102a26f0d804f6c476d82293ce20dd3bfc37a9beea64af331dc9b71e6aa75eda06091b
SSDEEP

6144:PZ+11pFuhy/1RWBT5R7C8eAQ3sDSwZm/G/HcqQ:48hs1s15R+AJOp/G/8B

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1980	Au_.exe

Loads dropped DLL 7 IoCs

pid	Process
2740	d36b7984a56c9a97846a5989ad062382.exe
1980	Au_.exe
1980	Au_.exe
1980	Au_.exe
1980	Au_.exe
1980	Au_.exe
1980	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
behavioral1/files/0x000c000000015cb0-2.dat	nsis_installer_1
behavioral1/files/0x000c000000015cb0-2.dat	nsis_installer_2

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1980	Au_.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2740 wrote to memory of 1980	2740	d36b7984a56c9a97846a5989ad062382.exe	28
PID 2740 wrote to memory of 1980	2740	d36b7984a56c9a97846a5989ad062382.exe	28
PID 2740 wrote to memory of 1980	2740	d36b7984a56c9a97846a5989ad062382.exe	28
PID 2740 wrote to memory of 1980	2740	d36b7984a56c9a97846a5989ad062382.exe	28
PID 2740 wrote to memory of 1980	2740	d36b7984a56c9a97846a5989ad062382.exe	28
PID 2740 wrote to memory of 1980	2740	d36b7984a56c9a97846a5989ad062382.exe	28
PID 2740 wrote to memory of 1980	2740	d36b7984a56c9a97846a5989ad062382.exe	28

C:\Users\Admin\AppData\Local\Temp\d36b7984a56c9a97846a5989ad062382.exe
"C:\Users\Admin\AppData\Local\Temp\d36b7984a56c9a97846a5989ad062382.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2740
- 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: GetForegroundWindowSpam
  PID:1980

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\nst15A4.tmp\System.dll

Filesize
11KB

MD5
c17103ae9072a06da581dec998343fc1

SHA1
b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

SHA256
dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

SHA512
d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

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\Users\Admin\AppData\Local\Temp\nst15A4.tmp\UserInfo.dll

Filesize
4KB

MD5
7579ade7ae1747a31960a228ce02e666

SHA1
8ec8571a296737e819dcf86353a43fcf8ec63351

SHA256
564c80dec62d76c53497c40094db360ff8a36e0dc1bda8383d0f9583138997f5

SHA512
a88bc56e938374c333b0e33cb72951635b5d5a98b9cb2d6785073cbcad23bf4c0f9f69d3b7e87b46c76eb03ced9bb786844ce87656a9e3df4ca24acf43d7a05b

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\Users\Admin\AppData\Local\Temp\nst15A4.tmp\nsDialogs.dll

Filesize
9KB

MD5
c10e04dd4ad4277d5adc951bb331c777

SHA1
b1e30808198a3ae6d6d1cca62df8893dc2a7ad43

SHA256
e31ad6c6e82e603378cb6b80e67d0e0dcd9cf384e1199ac5a65cb4935680021a

SHA512
853a5564bf751d40484ea482444c6958457cb4a17fb973cf870f03f201b8b2643be41bccde00f6b2026dc0c3d113e6481b0dc4c7b0f3ae7966d38c92c6b5862e

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

Filesize
242KB

MD5
d36b7984a56c9a97846a5989ad062382

SHA1
18a41b9be835bd65f274e681d73bdb53ebfaf544

SHA256
20bc0b559120e640d3c739f08a60d4d8e7db8ae88281b2d4301a342aedad4412

SHA512
dbc41ed9f492f861115180ece105193e782619760bf531cd4b63471d82102a26f0d804f6c476d82293ce20dd3bfc37a9beea64af331dc9b71e6aa75eda06091b

Download Submit