f2f4390b13840bca6a2f4acae0eaa61c4c8a92f6fbde27f064304edfc4f4d0d3

Analysis

max time kernel
314s
max time network
328s
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 10:36

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General

Target

f2f4390b13840bca6a2f4acae0eaa61c4c8a92f6fbde27f064304edfc4f4d0d3.exe
Size

558KB
MD5

1536f2e822680238ec0b6928b5726bfc
SHA1

e8925fb80018d643412c248bb3a3b4e2ce1b6b31
SHA256

f2f4390b13840bca6a2f4acae0eaa61c4c8a92f6fbde27f064304edfc4f4d0d3
SHA512

02b1c2b47497a7e19af21c4dd679bb17695b14b2b9bc14ae767cd1ffc55c6325f3a3637fa8a6968b30f3e97d8cce0471890c24f003ae8880a9b605796de24bad
SSDEEP

12288:C2hB6DQbf9yCJnVUtHFb/LXCVhq25qeCYUXB65rFBny5KTK:uD0f8CJ+Fb/LCRqycB65Lq

Score

7^/10

Malware Config

Signatures

Loads dropped DLL 5 IoCs

Processes:

f2f4390b13840bca6a2f4acae0eaa61c4c8a92f6fbde27f064304edfc4f4d0d3.exe

pid	process
1252	f2f4390b13840bca6a2f4acae0eaa61c4c8a92f6fbde27f064304edfc4f4d0d3.exe
1252	f2f4390b13840bca6a2f4acae0eaa61c4c8a92f6fbde27f064304edfc4f4d0d3.exe
1252	f2f4390b13840bca6a2f4acae0eaa61c4c8a92f6fbde27f064304edfc4f4d0d3.exe
1252	f2f4390b13840bca6a2f4acae0eaa61c4c8a92f6fbde27f064304edfc4f4d0d3.exe
1252	f2f4390b13840bca6a2f4acae0eaa61c4c8a92f6fbde27f064304edfc4f4d0d3.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 12 IoCs

Processes:

f2f4390b13840bca6a2f4acae0eaa61c4c8a92f6fbde27f064304edfc4f4d0d3.exenet.exenet.exe

description	pid	process	target process
PID 1252 wrote to memory of 4404	1252	f2f4390b13840bca6a2f4acae0eaa61c4c8a92f6fbde27f064304edfc4f4d0d3.exe	net.exe
PID 1252 wrote to memory of 4404	1252	f2f4390b13840bca6a2f4acae0eaa61c4c8a92f6fbde27f064304edfc4f4d0d3.exe	net.exe
PID 1252 wrote to memory of 4404	1252	f2f4390b13840bca6a2f4acae0eaa61c4c8a92f6fbde27f064304edfc4f4d0d3.exe	net.exe
PID 4404 wrote to memory of 2908	4404	net.exe	net1.exe
PID 4404 wrote to memory of 2908	4404	net.exe	net1.exe
PID 4404 wrote to memory of 2908	4404	net.exe	net1.exe
PID 1252 wrote to memory of 2008	1252	f2f4390b13840bca6a2f4acae0eaa61c4c8a92f6fbde27f064304edfc4f4d0d3.exe	net.exe
PID 1252 wrote to memory of 2008	1252	f2f4390b13840bca6a2f4acae0eaa61c4c8a92f6fbde27f064304edfc4f4d0d3.exe	net.exe
PID 1252 wrote to memory of 2008	1252	f2f4390b13840bca6a2f4acae0eaa61c4c8a92f6fbde27f064304edfc4f4d0d3.exe	net.exe
PID 2008 wrote to memory of 1560	2008	net.exe	net1.exe
PID 2008 wrote to memory of 1560	2008	net.exe	net1.exe
PID 2008 wrote to memory of 1560	2008	net.exe	net1.exe

C:\Users\Admin\AppData\Local\Temp\f2f4390b13840bca6a2f4acae0eaa61c4c8a92f6fbde27f064304edfc4f4d0d3.exe
"C:\Users\Admin\AppData\Local\Temp\f2f4390b13840bca6a2f4acae0eaa61c4c8a92f6fbde27f064304edfc4f4d0d3.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1252

C:\Windows\SysWOW64\net.exe
net stop nethttpservice
2⤵
- Suspicious use of WriteProcessMemory
PID:4404

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop nethttpservice
3⤵
PID:2908

C:\Windows\SysWOW64\net.exe
net stop serviceupdater
2⤵
- Suspicious use of WriteProcessMemory
PID:2008

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 stop serviceupdater
3⤵
PID:1560

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\nsw907C.tmp\System.dll
Filesize
11KB

MD5
c17103ae9072a06da581dec998343fc1

SHA1
b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

SHA256
dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

SHA512
d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsw907C.tmp\nsExec.dll
Filesize
6KB

MD5
acc2b699edfea5bf5aae45aba3a41e96

SHA1
d2accf4d494e43ceb2cff69abe4dd17147d29cc2

SHA256
168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

SHA512
e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsw907C.tmp\nsExec.dll
Filesize
6KB

MD5
acc2b699edfea5bf5aae45aba3a41e96

SHA1
d2accf4d494e43ceb2cff69abe4dd17147d29cc2

SHA256
168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

SHA512
e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsw907C.tmp\nsExec.dll
Filesize
6KB

MD5
acc2b699edfea5bf5aae45aba3a41e96

SHA1
d2accf4d494e43ceb2cff69abe4dd17147d29cc2

SHA256
168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

SHA512
e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsw907C.tmp\nsExec.dll
Filesize
6KB

MD5
acc2b699edfea5bf5aae45aba3a41e96

SHA1
d2accf4d494e43ceb2cff69abe4dd17147d29cc2

SHA256
168a974eaa3f588d759db3f47c1a9fdc3494ba1fa1a73a84e5e3b2a4d58abd7e

SHA512
e29ea10ada98c71a18273b04f44f385b120d4e8473e441ce5748cfa44a23648814f2656f429b85440157988c88de776c6ac008dc38bf09cbb746c230a46c69fe

Download Submit
memory/1252-132-0x0000000000370000-0x00000000007BE000-memory.dmp

Filesize
4.3MB

Download
memory/1560-141-0x0000000000000000-mapping.dmp

Download
memory/2008-140-0x0000000000000000-mapping.dmp

Download
memory/2908-137-0x0000000000000000-mapping.dmp

Download
memory/4404-136-0x0000000000000000-mapping.dmp

Download