a52ba33e7b386e933d1a6ae99f257315935d4c68cd21f91e987d327683f9c990

Analysis

max time kernel
140s
max time network
123s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
24-05-2024 03:03

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General

Target

$TEMP/$_1750_.exe
Size

3.8MB
MD5

7ede9c63f9a5134eb50eb928c0c5aabf
SHA1

86d2cf7837cd460043835e8661ae5239c6f59fb3
SHA256

fdc3ac6e64545a4d500e7649203c9fe058c571065e98ae8a0002524879ba3c77
SHA512

7786a98dd74b769bae06e8679b093c134adffeb9bb29d89fc716498fcb900e000c320bfca178610126d5f6a3eeb9a450ac9ea0c8d292a7e6e01ccecd109a9389
SSDEEP

49152:oexhc4FrUKxYoDjU8foiL0ZN6wo5jsoYWEToHIouelzxQjAU4+vHhrv/Trah:pxK4iKxYsI8jNs7hTeBVQ0UfvBrv/qh

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

Au_.exe

pid process

1316 Au_.exe
Loads dropped DLL 7 IoCs

Processes:

$_1750_.exeAu_.exe

pid process

3056 $_1750_.exe
1316 Au_.exe
1316 Au_.exe
1316 Au_.exe
1316 Au_.exe
1316 Au_.exe
1316 Au_.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
1316	Au_.exe

pid	process
3056	$_1750_.exe
1316	Au_.exe
1316	Au_.exe
1316	Au_.exe
1316	Au_.exe
1316	Au_.exe
1316	Au_.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

$_1750_.exe

description	pid	process	target process
PID 3056 wrote to memory of 1316	3056	$_1750_.exe	Au_.exe
PID 3056 wrote to memory of 1316	3056	$_1750_.exe	Au_.exe
PID 3056 wrote to memory of 1316	3056	$_1750_.exe	Au_.exe
PID 3056 wrote to memory of 1316	3056	$_1750_.exe	Au_.exe
PID 3056 wrote to memory of 1316	3056	$_1750_.exe	Au_.exe
PID 3056 wrote to memory of 1316	3056	$_1750_.exe	Au_.exe
PID 3056 wrote to memory of 1316	3056	$_1750_.exe	Au_.exe

C:\Users\Admin\AppData\Local\Temp\$TEMP\$_1750_.exe
"C:\Users\Admin\AppData\Local\Temp\$TEMP\$_1750_.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3056
- 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\$TEMP\
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:1316

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\nsi342B.tmp\NSISList.dll

Filesize
97KB

MD5
2e0785f18f8714393bc4bc1fe170eadf

SHA1
1efba431c0fac46c6cb6f60dc08f65a0e23ccf3d

SHA256
e68d65626b24e7c1f6fbe1001f43174d0243095181025736f37ad704662f4351

SHA512
8a272bb264fa066960a4f34411a81652839eccdbc6fa25be20c0b94d7d10b16cb568338abb5d1a96c155cbc4bc7923d0387fa36bed69c1021296cc6cc5fbb45e

Download Submit
\Users\Admin\AppData\Local\Temp\nsi342B.tmp\System.dll

Filesize
11KB

MD5
c17103ae9072a06da581dec998343fc1

SHA1
b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

SHA256
dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

SHA512
d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

Download Submit
\Users\Admin\AppData\Local\Temp\nsi342B.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
3.8MB

MD5
7ede9c63f9a5134eb50eb928c0c5aabf

SHA1
86d2cf7837cd460043835e8661ae5239c6f59fb3

SHA256
fdc3ac6e64545a4d500e7649203c9fe058c571065e98ae8a0002524879ba3c77

SHA512
7786a98dd74b769bae06e8679b093c134adffeb9bb29d89fc716498fcb900e000c320bfca178610126d5f6a3eeb9a450ac9ea0c8d292a7e6e01ccecd109a9389

Download Submit
memory/1316-19-0x00000000003D0000-0x00000000003ED000-memory.dmp

Filesize
116KB

Download
memory/1316-32-0x00000000003D0000-0x00000000003ED000-memory.dmp

Filesize
116KB

Download