859911e17be1c3451ed24f741df0ad6b53d95f22388ec37d5b39f52338bec774

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
01/09/2024, 12:54

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General

Target

003be3a7fc9edc7bc77fcd28b0f7b330N.exe
Size

72KB
MD5

003be3a7fc9edc7bc77fcd28b0f7b330
SHA1

391a760ee9751a4a4a2544346580353c0f556f5f
SHA256

859911e17be1c3451ed24f741df0ad6b53d95f22388ec37d5b39f52338bec774
SHA512

e2771b1f3ae4ef8dc78d29f8a8d395b5b22dff60e57d06c3c4f924b5307fa9a77ce8e759894e190c0d46d13c477485b14b0584b9bff64a11e9caafded9f880f4
SSDEEP

1536:2XPyqDsprttrtt3naryrcDypTgccsW1QOotCJZgdLeAyNFI5Q:2X7DItrfaocyTgfsqQOlJZceAT5Q

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2100	Au_.exe

Loads dropped DLL 4 IoCs

pid	Process
2176	003be3a7fc9edc7bc77fcd28b0f7b330N.exe
2100	Au_.exe
2100	Au_.exe
2100	Au_.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	003be3a7fc9edc7bc77fcd28b0f7b330N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Au_.exe

NSIS installer 1 IoCs

installer

resource	yara_rule
behavioral1/files/0x0008000000018d89-2.dat	nsis_installer_2

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2100	Au_.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2176 wrote to memory of 2100	2176	003be3a7fc9edc7bc77fcd28b0f7b330N.exe	30
PID 2176 wrote to memory of 2100	2176	003be3a7fc9edc7bc77fcd28b0f7b330N.exe	30
PID 2176 wrote to memory of 2100	2176	003be3a7fc9edc7bc77fcd28b0f7b330N.exe	30
PID 2176 wrote to memory of 2100	2176	003be3a7fc9edc7bc77fcd28b0f7b330N.exe	30
PID 2176 wrote to memory of 2100	2176	003be3a7fc9edc7bc77fcd28b0f7b330N.exe	30
PID 2176 wrote to memory of 2100	2176	003be3a7fc9edc7bc77fcd28b0f7b330N.exe	30
PID 2176 wrote to memory of 2100	2176	003be3a7fc9edc7bc77fcd28b0f7b330N.exe	30

C:\Users\Admin\AppData\Local\Temp\003be3a7fc9edc7bc77fcd28b0f7b330N.exe
"C:\Users\Admin\AppData\Local\Temp\003be3a7fc9edc7bc77fcd28b0f7b330N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2176
- 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
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: GetForegroundWindowSpam
  PID:2100

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
72KB

MD5
003be3a7fc9edc7bc77fcd28b0f7b330

SHA1
391a760ee9751a4a4a2544346580353c0f556f5f

SHA256
859911e17be1c3451ed24f741df0ad6b53d95f22388ec37d5b39f52338bec774

SHA512
e2771b1f3ae4ef8dc78d29f8a8d395b5b22dff60e57d06c3c4f924b5307fa9a77ce8e759894e190c0d46d13c477485b14b0584b9bff64a11e9caafded9f880f4

Download Submit
memory/2100-12-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/2176-7-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download