b81b2c803a4b1f50f3ce31e2de53b051c57fdd5b5bb251f1ca2bc58e636b54b9

Analysis

max time kernel
119s
max time network
124s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
11-01-2025 06:48

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General

Target

b81b2c803a4b1f50f3ce31e2de53b051c57fdd5b5bb251f1ca2bc58e636b54b9N.exe
Size

495KB
MD5

0f8c7fc867f987eefaad290f233a8380
SHA1

7a69859441dbc831361dc1cf5667f532b47a2b03
SHA256

b81b2c803a4b1f50f3ce31e2de53b051c57fdd5b5bb251f1ca2bc58e636b54b9
SHA512

6b0dd00f3b038023f05502916a062ab5590e9fc209c5ffe19568b4502087c1888aff9c6a3dfed1f710ed03e122f3e704e6606f25c092e088e4ae67f0432c7c63
SSDEEP

6144:t6LT6OYdZFo/Dj9lEYenWS1uH9vd/he9Bm9lsqPm5C/vOTKsMiCKEU5uK1ltzqtR:0LTF9jvEZ3CmW9lsq+eYzk

Score

7^/10

discovery

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2880	cmd.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 3 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	b81b2c803a4b1f50f3ce31e2de53b051c57fdd5b5bb251f1ca2bc58e636b54b9N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
3064	timeout.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2736 wrote to memory of 2880	2736	b81b2c803a4b1f50f3ce31e2de53b051c57fdd5b5bb251f1ca2bc58e636b54b9N.exe	30
PID 2736 wrote to memory of 2880	2736	b81b2c803a4b1f50f3ce31e2de53b051c57fdd5b5bb251f1ca2bc58e636b54b9N.exe	30
PID 2736 wrote to memory of 2880	2736	b81b2c803a4b1f50f3ce31e2de53b051c57fdd5b5bb251f1ca2bc58e636b54b9N.exe	30
PID 2736 wrote to memory of 2880	2736	b81b2c803a4b1f50f3ce31e2de53b051c57fdd5b5bb251f1ca2bc58e636b54b9N.exe	30
PID 2880 wrote to memory of 3064	2880	cmd.exe	32
PID 2880 wrote to memory of 3064	2880	cmd.exe	32
PID 2880 wrote to memory of 3064	2880	cmd.exe	32
PID 2880 wrote to memory of 3064	2880	cmd.exe	32

C:\Users\Admin\AppData\Local\Temp\b81b2c803a4b1f50f3ce31e2de53b051c57fdd5b5bb251f1ca2bc58e636b54b9N.exe
"C:\Users\Admin\AppData\Local\Temp\b81b2c803a4b1f50f3ce31e2de53b051c57fdd5b5bb251f1ca2bc58e636b54b9N.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2736
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\del.cmd" "
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2880
- - C:\Windows\SysWOW64\timeout.exe
    TIMEOUT /T 1 /NOBREAK
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:3064

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\del.cmd

Filesize
184B

MD5
2c7af1001fbe578c6b743375571b5e49

SHA1
0760eab23f7d3362ffdfe4fd862f5b946fadd40b

SHA256
514bf131237ed36bafcfb51b55e8bdb4ad3683a41687092208657f5f3b163688

SHA512
344c3e23de569a8f287e902ea9e41f93c0c2a27e420b56161057f9856244ec08b4d1873f358e9c07db31344c282ac4f7b226bfae239f29ae71a968f19d1d8607

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