79bac5827b881ed3f14ec5be77a1da8bc26ef9cdb65666c72bf79dc67c37d36d

Analysis

max time kernel
94s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
27-12-2024 00:17

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General

Target

5e642e91516b72121ba30456c103234eaad7895a69929a3b35f0f540a6b8c6c5.exe
Size

241KB
MD5

671f622caaaad9137a2eb0663ca0ec70
SHA1

f93256448a08355dccb1f3348e435f997a8a2319
SHA256

5e642e91516b72121ba30456c103234eaad7895a69929a3b35f0f540a6b8c6c5
SHA512

46d9dcd869d919e03c032ea152900f8463298a90cbf598b31c6eb2e6a60c006fd03a2e5114402e69abba84da1dda724226b207a86380746403f315302f394977
SSDEEP

6144:rGix6Ah4a/KCdg5GfMF5PPTw1hTbqWDgCKz+/cIGdwxWa:N6S4a/5dxww1hCWDjCyG+n

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4948	lsyvak.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2568	4948	WerFault.exe	84

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	5e642e91516b72121ba30456c103234eaad7895a69929a3b35f0f540a6b8c6c5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lsyvak.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 4536 wrote to memory of 4948	4536	5e642e91516b72121ba30456c103234eaad7895a69929a3b35f0f540a6b8c6c5.exe	84
PID 4536 wrote to memory of 4948	4536	5e642e91516b72121ba30456c103234eaad7895a69929a3b35f0f540a6b8c6c5.exe	84
PID 4536 wrote to memory of 4948	4536	5e642e91516b72121ba30456c103234eaad7895a69929a3b35f0f540a6b8c6c5.exe	84
PID 4948 wrote to memory of 3660	4948	lsyvak.exe	85
PID 4948 wrote to memory of 3660	4948	lsyvak.exe	85
PID 4948 wrote to memory of 3660	4948	lsyvak.exe	85
PID 4948 wrote to memory of 3660	4948	lsyvak.exe	85

C:\Users\Admin\AppData\Local\Temp\5e642e91516b72121ba30456c103234eaad7895a69929a3b35f0f540a6b8c6c5.exe
"C:\Users\Admin\AppData\Local\Temp\5e642e91516b72121ba30456c103234eaad7895a69929a3b35f0f540a6b8c6c5.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4536
- C:\Users\Admin\AppData\Local\Temp\lsyvak.exe
  C:\Users\Admin\AppData\Local\Temp\lsyvak.exe C:\Users\Admin\AppData\Local\Temp\viwmpw
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4948
- - C:\Users\Admin\AppData\Local\Temp\lsyvak.exe
    C:\Users\Admin\AppData\Local\Temp\lsyvak.exe C:\Users\Admin\AppData\Local\Temp\viwmpw
    3⤵
    PID:3660
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4948 -s 636
    3⤵
    - Program crash
    PID:2568

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4948 -ip 4948
1⤵
PID:2236

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\5vdpg0tqdnax6

Filesize
210KB

MD5
256a6b52e7a5738716832f1a293648fc

SHA1
59a8727f230e9f68b296651726fe5befd30dbf85

SHA256
a2b67befb327e3bc10a202d73bbbb4d03187d880e2877b6d4f8869284f6e18e3

SHA512
0304b68fe55b5ec9fbb0d60f028e9b6c18f06e4a971437736a88dbb48a530363a85a4d2ad1d35b5e50662feec3861a0485bdb352f5b1d8f375c21c71cb15dc4f

Download Submit
C:\Users\Admin\AppData\Local\Temp\lsyvak.exe

Filesize
5KB

MD5
665da445aa2fbecbaa1750cac3a263a4

SHA1
48b6e12c571d12c18f44516f74e0548f8289ade2

SHA256
1a41e1aec75c713684245dc5235fd61e70d221d01b44a1dd9dc065578bd21670

SHA512
722e11f030555c065124034f52d2ce1cf078996b8493d870caa67ff99d9a723fa4a7c9d0bdc6dbd026a38522fb4aefbcf6ec35ffc9bcd013ab357454eefc2169

Download Submit
C:\Users\Admin\AppData\Local\Temp\viwmpw

Filesize
4KB

MD5
ca134a4293baf2ed6147bd575ad0639b

SHA1
a3c93e966d2ab881d5f4e31da82f606b15225bc1

SHA256
1b92753015bae55b024807dff0657bcb41c4831ab44d1bd10972310ca181bd14

SHA512
958aa23b8ef63131390e9eb5f55244168aa49704f6f9d52554b9d898a80d88cebc2115df85ffea0752cd01232a6976332fc72ae5ffd1a0970d851b692ae5dc26

Download Submit
memory/4948-8-0x0000000000B10000-0x0000000000B12000-memory.dmp

Filesize
8KB

Download