16b6416e33fdc208df3c00f692bac758d7790e5626d7d045f139af0d75ec6b2c

Analysis

max time kernel
121s
max time network
146s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
29/12/2023, 18:42

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General

Target

00cda5840dc0fbe3df70eda5d095c17d.exe
Size

243KB
MD5

00cda5840dc0fbe3df70eda5d095c17d
SHA1

598cac4b25539a0906a43aa599b36008bcd49898
SHA256

16b6416e33fdc208df3c00f692bac758d7790e5626d7d045f139af0d75ec6b2c
SHA512

adc7e83269bce3bc4ca3635023bcfc3b09fb6edd6529047a80c77243d9ac9487e126314c53f056c26e2291b3f88019dd2e259b34fae71b917a1f65250faa1336
SSDEEP

6144:NZ+11/l9ly/1RWBT5W+KUgLvSMwAEwZm/G/HcZDL:W9ls1s15WnrSbhp/G/8ZH

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2828	Au_.exe

Loads dropped DLL 7 IoCs

pid	Process
1180	00cda5840dc0fbe3df70eda5d095c17d.exe
2828	Au_.exe
2828	Au_.exe
2828	Au_.exe
2828	Au_.exe
2828	Au_.exe
2828	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/0x000d0000000122c5-2.dat	nsis_installer_1
behavioral1/files/0x000d0000000122c5-2.dat	nsis_installer_2

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2828	Au_.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1180 wrote to memory of 2828	1180	00cda5840dc0fbe3df70eda5d095c17d.exe	28
PID 1180 wrote to memory of 2828	1180	00cda5840dc0fbe3df70eda5d095c17d.exe	28
PID 1180 wrote to memory of 2828	1180	00cda5840dc0fbe3df70eda5d095c17d.exe	28
PID 1180 wrote to memory of 2828	1180	00cda5840dc0fbe3df70eda5d095c17d.exe	28
PID 1180 wrote to memory of 2828	1180	00cda5840dc0fbe3df70eda5d095c17d.exe	28
PID 1180 wrote to memory of 2828	1180	00cda5840dc0fbe3df70eda5d095c17d.exe	28
PID 1180 wrote to memory of 2828	1180	00cda5840dc0fbe3df70eda5d095c17d.exe	28

C:\Users\Admin\AppData\Local\Temp\00cda5840dc0fbe3df70eda5d095c17d.exe
"C:\Users\Admin\AppData\Local\Temp\00cda5840dc0fbe3df70eda5d095c17d.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1180
- 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:2828

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\nsdA2A6.tmp\System.dll

Filesize
11KB

MD5
c17103ae9072a06da581dec998343fc1

SHA1
b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

SHA256
dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

SHA512
d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

Download Submit
\Users\Admin\AppData\Local\Temp\nsdA2A6.tmp\UserInfo.dll

Filesize
4KB

MD5
7579ade7ae1747a31960a228ce02e666

SHA1
8ec8571a296737e819dcf86353a43fcf8ec63351

SHA256
564c80dec62d76c53497c40094db360ff8a36e0dc1bda8383d0f9583138997f5

SHA512
a88bc56e938374c333b0e33cb72951635b5d5a98b9cb2d6785073cbcad23bf4c0f9f69d3b7e87b46c76eb03ced9bb786844ce87656a9e3df4ca24acf43d7a05b

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\Users\Admin\AppData\Local\Temp\nsdA2A6.tmp\nsDialogs.dll

Filesize
9KB

MD5
c10e04dd4ad4277d5adc951bb331c777

SHA1
b1e30808198a3ae6d6d1cca62df8893dc2a7ad43

SHA256
e31ad6c6e82e603378cb6b80e67d0e0dcd9cf384e1199ac5a65cb4935680021a

SHA512
853a5564bf751d40484ea482444c6958457cb4a17fb973cf870f03f201b8b2643be41bccde00f6b2026dc0c3d113e6481b0dc4c7b0f3ae7966d38c92c6b5862e

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

Filesize
243KB

MD5
00cda5840dc0fbe3df70eda5d095c17d

SHA1
598cac4b25539a0906a43aa599b36008bcd49898

SHA256
16b6416e33fdc208df3c00f692bac758d7790e5626d7d045f139af0d75ec6b2c

SHA512
adc7e83269bce3bc4ca3635023bcfc3b09fb6edd6529047a80c77243d9ac9487e126314c53f056c26e2291b3f88019dd2e259b34fae71b917a1f65250faa1336

Download Submit