cbb7e5c450ebd0a34eb60717defd11163d085c23a07a5090b15ba542d4c3f77b

Analysis

max time kernel
147s
max time network
119s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
31/12/2023, 14:03

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General

Target

39123dfeba3914c52a6d4c0ededbf5d0.exe
Size

54KB
MD5

39123dfeba3914c52a6d4c0ededbf5d0
SHA1

dd25ddbd99c7ed3c0711494b7fb17099226e19da
SHA256

cbb7e5c450ebd0a34eb60717defd11163d085c23a07a5090b15ba542d4c3f77b
SHA512

aa500545470731c312d60ab2ecc9ba6eb37d09c29e6d22c6360d81071ea7946f5fd85c469ff3a0b3ae1d0954fb4917de156f7e1cbdcbb9f73884d715e149c8bb
SSDEEP

1536:4tqTQMx4H5izeIBBTGr4MScOQ40peZ4S4xM:dJxaRkNTcOT0pdS4xM

Score

7^/10

Malware Config

Signatures

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Control Panel\International\Geo\Nation	39123dfeba3914c52a6d4c0ededbf5d0.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Control Panel\International\Geo\Nation	lsass.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\lsass.exe	cmd.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\lsass.exe	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
3512	lsass.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3316 wrote to memory of 2420	3316	39123dfeba3914c52a6d4c0ededbf5d0.exe	50
PID 3316 wrote to memory of 2420	3316	39123dfeba3914c52a6d4c0ededbf5d0.exe	50
PID 3316 wrote to memory of 2420	3316	39123dfeba3914c52a6d4c0ededbf5d0.exe	50
PID 3316 wrote to memory of 3952	3316	39123dfeba3914c52a6d4c0ededbf5d0.exe	96
PID 3316 wrote to memory of 3952	3316	39123dfeba3914c52a6d4c0ededbf5d0.exe	96
PID 3316 wrote to memory of 3952	3316	39123dfeba3914c52a6d4c0ededbf5d0.exe	96
PID 3316 wrote to memory of 3512	3316	39123dfeba3914c52a6d4c0ededbf5d0.exe	101
PID 3316 wrote to memory of 3512	3316	39123dfeba3914c52a6d4c0ededbf5d0.exe	101
PID 3316 wrote to memory of 3512	3316	39123dfeba3914c52a6d4c0ededbf5d0.exe	101
PID 3512 wrote to memory of 3480	3512	lsass.exe	103
PID 3512 wrote to memory of 3480	3512	lsass.exe	103
PID 3512 wrote to memory of 3480	3512	lsass.exe	103

C:\Users\Admin\AppData\Local\Temp\39123dfeba3914c52a6d4c0ededbf5d0.exe
"C:\Users\Admin\AppData\Local\Temp\39123dfeba3914c52a6d4c0ededbf5d0.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3316
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c copy "C:\Users\Admin\AppData\Local\Temp\39123dfeba3914c52a6d4c0ededbf5d0.exe" "C:\temp4179.tmp"
  2⤵
  PID:2420
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c copy "C:\Users\Admin\AppData\Local\Temp\39123dfeba3914c52a6d4c0ededbf5d0.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\lsass.exe"
  2⤵
  - Drops startup file
  PID:3952
- C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\lsass.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\lsass.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:3512
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c copy "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\lsass.exe" "C:\temp573.tmp"
    3⤵
    PID:3480

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\temp4179.tmp

Filesize
54KB

MD5
39123dfeba3914c52a6d4c0ededbf5d0

SHA1
dd25ddbd99c7ed3c0711494b7fb17099226e19da

SHA256
cbb7e5c450ebd0a34eb60717defd11163d085c23a07a5090b15ba542d4c3f77b

SHA512
aa500545470731c312d60ab2ecc9ba6eb37d09c29e6d22c6360d81071ea7946f5fd85c469ff3a0b3ae1d0954fb4917de156f7e1cbdcbb9f73884d715e149c8bb

Download Submit
memory/3316-7-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/3512-11-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/3512-12-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/3512-13-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/3512-14-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/3512-15-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/3512-16-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/3512-17-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/3512-18-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/3512-19-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/3512-20-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/3512-21-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/3512-22-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/3512-23-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download