b49c2138036d7e76af3298f1911798608bd841de4dfb8688b04f2e34d505a27f

Analysis

max time kernel
122s
max time network
128s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
26/08/2024, 02:01

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General

Target

b49c2138036d7e76af3298f1911798608bd841de4dfb8688b04f2e34d505a27f.exe
Size

289KB
MD5

6d51c0dedf349badba95936f8a37740c
SHA1

fcc4d1c24f80e12b4bd9dd6cb5a3bb83af2cfce6
SHA256

b49c2138036d7e76af3298f1911798608bd841de4dfb8688b04f2e34d505a27f
SHA512

b30d9016b55285a5c013de6a073fdc1dbc3a5af7fd1cad86e3450959dc8bba24f20f1afc28fbbc12004df2f998203adfe793b57464e9c6a6106e7dce3852eba0
SSDEEP

6144:Xe3481SVWxJy7vou2pg+0ZzcjcNi8isBTyLbwqjG:OoUx8whSRcgu2GLb

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2884	Au_.exe

Loads dropped DLL 3 IoCs

pid	Process
2732	b49c2138036d7e76af3298f1911798608bd841de4dfb8688b04f2e34d505a27f.exe
2884	Au_.exe
2884	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	b49c2138036d7e76af3298f1911798608bd841de4dfb8688b04f2e34d505a27f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Au_.exe

NSIS installer 2 IoCs

installer

resource	yara_rule
behavioral1/files/0x00070000000177da-2.dat	nsis_installer_1
behavioral1/files/0x00070000000177da-2.dat	nsis_installer_2

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2884	Au_.exe
2884	Au_.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2884	Au_.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2732 wrote to memory of 2884	2732	b49c2138036d7e76af3298f1911798608bd841de4dfb8688b04f2e34d505a27f.exe	30
PID 2732 wrote to memory of 2884	2732	b49c2138036d7e76af3298f1911798608bd841de4dfb8688b04f2e34d505a27f.exe	30
PID 2732 wrote to memory of 2884	2732	b49c2138036d7e76af3298f1911798608bd841de4dfb8688b04f2e34d505a27f.exe	30
PID 2732 wrote to memory of 2884	2732	b49c2138036d7e76af3298f1911798608bd841de4dfb8688b04f2e34d505a27f.exe	30
PID 2732 wrote to memory of 2884	2732	b49c2138036d7e76af3298f1911798608bd841de4dfb8688b04f2e34d505a27f.exe	30
PID 2732 wrote to memory of 2884	2732	b49c2138036d7e76af3298f1911798608bd841de4dfb8688b04f2e34d505a27f.exe	30
PID 2732 wrote to memory of 2884	2732	b49c2138036d7e76af3298f1911798608bd841de4dfb8688b04f2e34d505a27f.exe	30

C:\Users\Admin\AppData\Local\Temp\b49c2138036d7e76af3298f1911798608bd841de4dfb8688b04f2e34d505a27f.exe
"C:\Users\Admin\AppData\Local\Temp\b49c2138036d7e76af3298f1911798608bd841de4dfb8688b04f2e34d505a27f.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2732
- 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: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  PID:2884

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

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\nse75CD.tmp\FindProcDLL.dll

Filesize
3KB

MD5
8614c450637267afacad1645e23ba24a

SHA1
e7b7b09b5bbc13e910aa36316d9cc5fc5d4dcdc2

SHA256
0fa04f06a6de18d316832086891e9c23ae606d7784d5d5676385839b21ca2758

SHA512
af46cd679097584ff9a1d894a729b6397f4b3af17dff3e6f07bef257bc7e48ffa341d82daf298616cd5df1450fc5ab7435cacb70f27302b6db193f01a9f8391b

Download Submit
\Users\Admin\AppData\Local\Temp\nse75CD.tmp\inetc.dll

Filesize
20KB

MD5
c498ae64b4971132bba676873978de1e

SHA1
92e4009cd776b6c8616d8bffade7668ef3cb3c27

SHA256
5552bdde7e4113393f683ef501e4cc84dccc071bdc51391ea7fa3e7c1d49e4e8

SHA512
8e5ca35493f749a39ceae6796d2658ba10f7d8d9ceca45bb4365b338fabd1dfa9b9f92e33f50c91b0273e66adfbce4b98b09c15fd2473f8b214ed797462333d7

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

Filesize
289KB

MD5
6d51c0dedf349badba95936f8a37740c

SHA1
fcc4d1c24f80e12b4bd9dd6cb5a3bb83af2cfce6

SHA256
b49c2138036d7e76af3298f1911798608bd841de4dfb8688b04f2e34d505a27f

SHA512
b30d9016b55285a5c013de6a073fdc1dbc3a5af7fd1cad86e3450959dc8bba24f20f1afc28fbbc12004df2f998203adfe793b57464e9c6a6106e7dce3852eba0

Download Submit
memory/2884-11-0x0000000010000000-0x0000000010003000-memory.dmp

Filesize
12KB

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