ba66a8f34c835a3e54ca895e93f7a84c6716ea5d22c4283c4ca3dac739d9c22b

Analysis

max time kernel
110s
max time network
118s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
18/10/2024, 03:00

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General

Target

ba66a8f34c835a3e54ca895e93f7a84c6716ea5d22c4283c4ca3dac739d9c22bN.exe
Size

37KB
MD5

ea029a314d82fcdba1d647f400e813b0
SHA1

1fe3fce64b3bd00cbde61cad2e006b58adad5370
SHA256

ba66a8f34c835a3e54ca895e93f7a84c6716ea5d22c4283c4ca3dac739d9c22b
SHA512

8acf43444c19460531494b67b5b6959317394ff91247832d9470d3f81d421971583396945117c660d8e2001679e6a69b9667ba8ff549b6b3527038d96ed6c53f
SSDEEP

768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkIT6B:qDdFJy3QMOtEvwDpjjWMl7T6B

Score

7^/10

discovery upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2404	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2172	ba66a8f34c835a3e54ca895e93f7a84c6716ea5d22c4283c4ca3dac739d9c22bN.exe

UPX packed file 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2172-0-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/files/0x000800000001211b-16.dat	upx
behavioral1/memory/2404-20-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral1/memory/2172-17-0x0000000000500000-0x0000000000510000-memory.dmp	upx

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	ba66a8f34c835a3e54ca895e93f7a84c6716ea5d22c4283c4ca3dac739d9c22bN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	asih.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2172 wrote to memory of 2404	2172	ba66a8f34c835a3e54ca895e93f7a84c6716ea5d22c4283c4ca3dac739d9c22bN.exe	30
PID 2172 wrote to memory of 2404	2172	ba66a8f34c835a3e54ca895e93f7a84c6716ea5d22c4283c4ca3dac739d9c22bN.exe	30
PID 2172 wrote to memory of 2404	2172	ba66a8f34c835a3e54ca895e93f7a84c6716ea5d22c4283c4ca3dac739d9c22bN.exe	30
PID 2172 wrote to memory of 2404	2172	ba66a8f34c835a3e54ca895e93f7a84c6716ea5d22c4283c4ca3dac739d9c22bN.exe	30

C:\Users\Admin\AppData\Local\Temp\ba66a8f34c835a3e54ca895e93f7a84c6716ea5d22c4283c4ca3dac739d9c22bN.exe
"C:\Users\Admin\AppData\Local\Temp\ba66a8f34c835a3e54ca895e93f7a84c6716ea5d22c4283c4ca3dac739d9c22bN.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2172
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2404

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

C:\Users\Admin\AppData\Local\Temp\asih.exe

Filesize
37KB

MD5
ae9bd8940414df0f9b3d80793cba3ff1

SHA1
1013d7b3bb6f7a0cedccb00a17562112059704da

SHA256
245ddd98db03f59a58812805bd083fb3d030777eb431078de4f3c3d8d13ab5db

SHA512
531d8d218840d95ff6bef530f3a657df94be2f3069248876bb91664bd56bba223f0ce478827d9eb321af5348cd28b276fa78dbe04b99c74fcff5eaa02c659d4f

Download Submit
memory/2172-0-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2172-3-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2172-2-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2172-1-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2172-15-0x00000000021E0000-0x00000000021F0000-memory.dmp

Filesize
64KB

Download
memory/2172-17-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2404-21-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/2404-20-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2404-19-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download