a82ceac17ecd5723ab25eb7b8e3b6d540650c8ee8c00a97f9dea9735f8e0cdd6

Analysis

max time kernel
300s
max time network
322s
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 10:16

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General

Target

a82ceac17ecd5723ab25eb7b8e3b6d540650c8ee8c00a97f9dea9735f8e0cdd6.exe
Size

602KB
MD5

346f708e7fd9747599ae8ff7362c7a24
SHA1

3550bf4cf570da577b4cadf3c5e46c4f4aea97bc
SHA256

a82ceac17ecd5723ab25eb7b8e3b6d540650c8ee8c00a97f9dea9735f8e0cdd6
SHA512

100b24ca318a5fcff3b2644f17d348690603daf8c496903ce43d53c7d0b0111fe12e7ab9811f8ae49cc3fbc4e391d202807baca24d486e5f2bafde68dd857efc
SSDEEP

12288:OIny5DYTcIxXIdEiKh3vKe4I4Wyj88kSDPVkNjRob85YVLZyO2DZ:QUTc2Rh37QWEPkiNORY85jOW

Score

7^/10

Malware Config

Signatures

Loads dropped DLL 5 IoCs

Processes:

a82ceac17ecd5723ab25eb7b8e3b6d540650c8ee8c00a97f9dea9735f8e0cdd6.exe

pid	process
1076	a82ceac17ecd5723ab25eb7b8e3b6d540650c8ee8c00a97f9dea9735f8e0cdd6.exe
1076	a82ceac17ecd5723ab25eb7b8e3b6d540650c8ee8c00a97f9dea9735f8e0cdd6.exe
1076	a82ceac17ecd5723ab25eb7b8e3b6d540650c8ee8c00a97f9dea9735f8e0cdd6.exe
1076	a82ceac17ecd5723ab25eb7b8e3b6d540650c8ee8c00a97f9dea9735f8e0cdd6.exe
1076	a82ceac17ecd5723ab25eb7b8e3b6d540650c8ee8c00a97f9dea9735f8e0cdd6.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:

a82ceac17ecd5723ab25eb7b8e3b6d540650c8ee8c00a97f9dea9735f8e0cdd6.exenet.exe

description	pid	process	target process
PID 1076 wrote to memory of 2936	1076	a82ceac17ecd5723ab25eb7b8e3b6d540650c8ee8c00a97f9dea9735f8e0cdd6.exe	net.exe
PID 1076 wrote to memory of 2936	1076	a82ceac17ecd5723ab25eb7b8e3b6d540650c8ee8c00a97f9dea9735f8e0cdd6.exe	net.exe
PID 1076 wrote to memory of 2936	1076	a82ceac17ecd5723ab25eb7b8e3b6d540650c8ee8c00a97f9dea9735f8e0cdd6.exe	net.exe
PID 2936 wrote to memory of 768	2936	net.exe	net1.exe
PID 2936 wrote to memory of 768	2936	net.exe	net1.exe
PID 2936 wrote to memory of 768	2936	net.exe	net1.exe
PID 1076 wrote to memory of 4276	1076	a82ceac17ecd5723ab25eb7b8e3b6d540650c8ee8c00a97f9dea9735f8e0cdd6.exe	net.exe
PID 1076 wrote to memory of 4276	1076	a82ceac17ecd5723ab25eb7b8e3b6d540650c8ee8c00a97f9dea9735f8e0cdd6.exe	net.exe
PID 1076 wrote to memory of 4276	1076	a82ceac17ecd5723ab25eb7b8e3b6d540650c8ee8c00a97f9dea9735f8e0cdd6.exe	net.exe

C:\Users\Admin\AppData\Local\Temp\a82ceac17ecd5723ab25eb7b8e3b6d540650c8ee8c00a97f9dea9735f8e0cdd6.exe
"C:\Users\Admin\AppData\Local\Temp\a82ceac17ecd5723ab25eb7b8e3b6d540650c8ee8c00a97f9dea9735f8e0cdd6.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1076

C:\Windows\SysWOW64\net.exe
net stop nethttpservice
2⤵
- Suspicious use of WriteProcessMemory
PID:2936

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop nethttpservice
3⤵
PID:768

C:\Windows\SysWOW64\net.exe
net stop serviceupdater
2⤵
PID:4276

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\nsq1F38.tmp\System.dll

Filesize
11KB

MD5
c17103ae9072a06da581dec998343fc1

SHA1
b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

SHA256
dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

SHA512
d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsq1F38.tmp\nsExec.dll

Filesize
6KB

MD5
acc2b699edfea5bf5aae45aba3a41e96

SHA1
d2accf4d494e43ceb2cff69abe4dd17147d29cc2

SHA256
168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

SHA512
e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsq1F38.tmp\nsExec.dll

Filesize
6KB

MD5
acc2b699edfea5bf5aae45aba3a41e96

SHA1
d2accf4d494e43ceb2cff69abe4dd17147d29cc2

SHA256
168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

SHA512
e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsq1F38.tmp\nsExec.dll

Filesize
6KB

MD5
acc2b699edfea5bf5aae45aba3a41e96

SHA1
d2accf4d494e43ceb2cff69abe4dd17147d29cc2

SHA256
168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

SHA512
e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsq1F38.tmp\nsExec.dll

Filesize
6KB

MD5
acc2b699edfea5bf5aae45aba3a41e96

SHA1
d2accf4d494e43ceb2cff69abe4dd17147d29cc2

SHA256
168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

SHA512
e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

Download Submit
memory/768-137-0x0000000000000000-mapping.dmp

Download
memory/1076-132-0x0000000000360000-0x00000000007BE000-memory.dmp

Filesize
4.4MB

Download
memory/1076-138-0x0000000000360000-0x00000000007BE000-memory.dmp

Filesize
4.4MB

Download
memory/2936-136-0x0000000000000000-mapping.dmp

Download
memory/4276-141-0x0000000000000000-mapping.dmp

Download