f840a4ade87378a63c4ae90729ed6bb98392625e4c6c0ea7a44deb877b973c11

Analysis

max time kernel
91s
max time network
129s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
25/12/2023, 14:28

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General

Target

2593a4551b81b8ced21b1d87ee39d892.exe
Size

241KB
MD5

2593a4551b81b8ced21b1d87ee39d892
SHA1

68d3bdf20cd01a3c21cf5209f6d79cb8cf3906f4
SHA256

f840a4ade87378a63c4ae90729ed6bb98392625e4c6c0ea7a44deb877b973c11
SHA512

5eb0a6c320e7a5f34cb4f9dfef0618185f07490c9788f2696b404c5fd74482985d25f07460f796ecca0acdbb90194a574bdd8cc1e3e34edaee75cbe9d31cf4d3
SSDEEP

6144:tZ+11DpSy/1RWBT52H3+qP5Jkk4J3nFwZm/G/Hc0cm:s0s1s152X+qRJ4Fp/G/80N

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2288	Au_.exe

Loads dropped DLL 4 IoCs

pid	Process
2288	Au_.exe
2288	Au_.exe
2288	Au_.exe
2288	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
behavioral2/files/0x0007000000023221-3.dat	nsis_installer_1
behavioral2/files/0x0007000000023221-3.dat	nsis_installer_2

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2656 wrote to memory of 2288	2656	2593a4551b81b8ced21b1d87ee39d892.exe	89
PID 2656 wrote to memory of 2288	2656	2593a4551b81b8ced21b1d87ee39d892.exe	89
PID 2656 wrote to memory of 2288	2656	2593a4551b81b8ced21b1d87ee39d892.exe	89

C:\Users\Admin\AppData\Local\Temp\2593a4551b81b8ced21b1d87ee39d892.exe
"C:\Users\Admin\AppData\Local\Temp\2593a4551b81b8ced21b1d87ee39d892.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2656
- 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:2288

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\nse4595.tmp\System.dll

Filesize
11KB

MD5
c17103ae9072a06da581dec998343fc1

SHA1
b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

SHA256
dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

SHA512
d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

Download Submit
C:\Users\Admin\AppData\Local\Temp\nse4595.tmp\UserInfo.dll

Filesize
4KB

MD5
7579ade7ae1747a31960a228ce02e666

SHA1
8ec8571a296737e819dcf86353a43fcf8ec63351

SHA256
564c80dec62d76c53497c40094db360ff8a36e0dc1bda8383d0f9583138997f5

SHA512
a88bc56e938374c333b0e33cb72951635b5d5a98b9cb2d6785073cbcad23bf4c0f9f69d3b7e87b46c76eb03ced9bb786844ce87656a9e3df4ca24acf43d7a05b

Download Submit
C:\Users\Admin\AppData\Local\Temp\nse4595.tmp\nsDialogs.dll

Filesize
9KB

MD5
c10e04dd4ad4277d5adc951bb331c777

SHA1
b1e30808198a3ae6d6d1cca62df8893dc2a7ad43

SHA256
e31ad6c6e82e603378cb6b80e67d0e0dcd9cf384e1199ac5a65cb4935680021a

SHA512
853a5564bf751d40484ea482444c6958457cb4a17fb973cf870f03f201b8b2643be41bccde00f6b2026dc0c3d113e6481b0dc4c7b0f3ae7966d38c92c6b5862e

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

Filesize
241KB

MD5
2593a4551b81b8ced21b1d87ee39d892

SHA1
68d3bdf20cd01a3c21cf5209f6d79cb8cf3906f4

SHA256
f840a4ade87378a63c4ae90729ed6bb98392625e4c6c0ea7a44deb877b973c11

SHA512
5eb0a6c320e7a5f34cb4f9dfef0618185f07490c9788f2696b404c5fd74482985d25f07460f796ecca0acdbb90194a574bdd8cc1e3e34edaee75cbe9d31cf4d3

Download Submit