a03e71820e6cd3ebde3a7df33cef2c1f19c22547b52c3269fc9a10920fe5f2fa

Analysis

max time kernel
281s
max time network
304s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
23-11-2022 10:17

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General

Target

a03e71820e6cd3ebde3a7df33cef2c1f19c22547b52c3269fc9a10920fe5f2fa.exe
Size

603KB
MD5

4c5098ae00b1982f515d48ad8f06b3ed
SHA1

a735745a3d0f22c6d56500e7baf78caa2c71fb12
SHA256

a03e71820e6cd3ebde3a7df33cef2c1f19c22547b52c3269fc9a10920fe5f2fa
SHA512

777b5d6655f30c4d192661d76466a0e256b3964706791bbee2f5cd2c89628d1085d70525e586a1930070ee913454cd4d624795c99988d3f2c7d18864d39c7814
SSDEEP

12288:tIny5DYTmIgATGJ7S9NUvDa2BlA1td2hAqFLK+rucharyUFDFH:5UTmDAoSffv2hPm+acEyA

Score

7^/10

Malware Config

Signatures

Loads dropped DLL 5 IoCs

Processes:

a03e71820e6cd3ebde3a7df33cef2c1f19c22547b52c3269fc9a10920fe5f2fa.exe

pid	process
3472	a03e71820e6cd3ebde3a7df33cef2c1f19c22547b52c3269fc9a10920fe5f2fa.exe
3472	a03e71820e6cd3ebde3a7df33cef2c1f19c22547b52c3269fc9a10920fe5f2fa.exe
3472	a03e71820e6cd3ebde3a7df33cef2c1f19c22547b52c3269fc9a10920fe5f2fa.exe
3472	a03e71820e6cd3ebde3a7df33cef2c1f19c22547b52c3269fc9a10920fe5f2fa.exe
3472	a03e71820e6cd3ebde3a7df33cef2c1f19c22547b52c3269fc9a10920fe5f2fa.exe

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

System Information Discovery
T1082
Runs net.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

a03e71820e6cd3ebde3a7df33cef2c1f19c22547b52c3269fc9a10920fe5f2fa.exenet.exe

description	pid	process	target process
PID 3472 wrote to memory of 4600	3472	a03e71820e6cd3ebde3a7df33cef2c1f19c22547b52c3269fc9a10920fe5f2fa.exe	net.exe
PID 3472 wrote to memory of 4600	3472	a03e71820e6cd3ebde3a7df33cef2c1f19c22547b52c3269fc9a10920fe5f2fa.exe	net.exe
PID 3472 wrote to memory of 4600	3472	a03e71820e6cd3ebde3a7df33cef2c1f19c22547b52c3269fc9a10920fe5f2fa.exe	net.exe
PID 4600 wrote to memory of 936	4600	net.exe	net1.exe
PID 4600 wrote to memory of 936	4600	net.exe	net1.exe
PID 4600 wrote to memory of 936	4600	net.exe	net1.exe
PID 3472 wrote to memory of 3424	3472	a03e71820e6cd3ebde3a7df33cef2c1f19c22547b52c3269fc9a10920fe5f2fa.exe	net.exe
PID 3472 wrote to memory of 3424	3472	a03e71820e6cd3ebde3a7df33cef2c1f19c22547b52c3269fc9a10920fe5f2fa.exe	net.exe
PID 3472 wrote to memory of 3424	3472	a03e71820e6cd3ebde3a7df33cef2c1f19c22547b52c3269fc9a10920fe5f2fa.exe	net.exe

C:\Users\Admin\AppData\Local\Temp\a03e71820e6cd3ebde3a7df33cef2c1f19c22547b52c3269fc9a10920fe5f2fa.exe
"C:\Users\Admin\AppData\Local\Temp\a03e71820e6cd3ebde3a7df33cef2c1f19c22547b52c3269fc9a10920fe5f2fa.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3472

C:\Windows\SysWOW64\net.exe
net stop nethttpservice
2⤵
- Suspicious use of WriteProcessMemory
PID:4600

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop nethttpservice
3⤵
PID:936

C:\Windows\SysWOW64\net.exe
net stop serviceupdater
2⤵
PID:3424

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\nsl3754.tmp\System.dll

Filesize
11KB

MD5
c17103ae9072a06da581dec998343fc1

SHA1
b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

SHA256
dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

SHA512
d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsl3754.tmp\nsExec.dll

Filesize
6KB

MD5
acc2b699edfea5bf5aae45aba3a41e96

SHA1
d2accf4d494e43ceb2cff69abe4dd17147d29cc2

SHA256
168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

SHA512
e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsl3754.tmp\nsExec.dll

Filesize
6KB

MD5
acc2b699edfea5bf5aae45aba3a41e96

SHA1
d2accf4d494e43ceb2cff69abe4dd17147d29cc2

SHA256
168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

SHA512
e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsl3754.tmp\nsExec.dll

Filesize
6KB

MD5
acc2b699edfea5bf5aae45aba3a41e96

SHA1
d2accf4d494e43ceb2cff69abe4dd17147d29cc2

SHA256
168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

SHA512
e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsl3754.tmp\nsExec.dll

Filesize
6KB

MD5
acc2b699edfea5bf5aae45aba3a41e96

SHA1
d2accf4d494e43ceb2cff69abe4dd17147d29cc2

SHA256
168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

SHA512
e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

Download Submit
memory/936-138-0x0000000000000000-mapping.dmp

Download
memory/3424-141-0x0000000000000000-mapping.dmp

Download
memory/3472-132-0x0000000000360000-0x00000000007BE000-memory.dmp

Filesize
4.4MB

Download
memory/3472-136-0x0000000000360000-0x00000000007BE000-memory.dmp

Filesize
4.4MB

Download
memory/4600-137-0x0000000000000000-mapping.dmp

Download