fea87397b30e1977fd02b6ff0ed91f628ef72e8f39ba9a20dc8ba03b0af394e0

Analysis

max time kernel
162s
max time network
178s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
13/10/2023, 01:10

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General

Target

f536fb6d887612101432de91e622c930exe_JC.exe
Size

409KB
MD5

f536fb6d887612101432de91e622c930
SHA1

34b54f0ccb00f295b3aca5f0efc18d8b0922b833
SHA256

fea87397b30e1977fd02b6ff0ed91f628ef72e8f39ba9a20dc8ba03b0af394e0
SHA512

572a848fb91947e2902e60933e917d094f1abddc9b47b6379a4016829598acfb49e1a3d01d9c4e95df488512825bd1b7314c9c8d7486d37a18ab179ace12ec4b
SSDEEP

12288:1KvcjmDBJztiDYSZnaSgAVoLFO9PKhH8TO8v:1KUaJzcESZ98hH8TO8v

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1476	amisid.exe

Loads dropped DLL 6 IoCs

pid	Process
440	f536fb6d887612101432de91e622c930exe_JC.exe
440	f536fb6d887612101432de91e622c930exe_JC.exe
440	f536fb6d887612101432de91e622c930exe_JC.exe
440	f536fb6d887612101432de91e622c930exe_JC.exe
440	f536fb6d887612101432de91e622c930exe_JC.exe
440	f536fb6d887612101432de91e622c930exe_JC.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
4936	440	WerFault.exe	80

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 440 wrote to memory of 1476	440	f536fb6d887612101432de91e622c930exe_JC.exe	86
PID 440 wrote to memory of 1476	440	f536fb6d887612101432de91e622c930exe_JC.exe	86
PID 440 wrote to memory of 1476	440	f536fb6d887612101432de91e622c930exe_JC.exe	86

C:\Users\Admin\AppData\Local\Temp\f536fb6d887612101432de91e622c930exe_JC.exe
"C:\Users\Admin\AppData\Local\Temp\f536fb6d887612101432de91e622c930exe_JC.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:440
- C:\Users\Admin\AppData\Local\Temp\nsk3A7.tmp\amisid.exe
  C:\Users\Admin\AppData\Local\Temp\nsk3A7.tmp\amisid.exe
  2⤵
  - Executes dropped EXE
  PID:1476
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 440 -s 1016
  2⤵
  - Program crash
  PID:4936

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 440 -ip 440
1⤵
PID:2128

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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\nsk3A7.tmp\NSIS_AntiVmFraud.dll

Filesize
88KB

MD5
c0611351b38e6c292246ef16d5c996e2

SHA1
fd6b07503e21278a11e0812e586d24266a5b3dea

SHA256
1f25aaad57d697c252fd086236862501296d4a06b2d2f02a20d118db0c1ea5b3

SHA512
8338a3ee9c9915daa592cdcdb0bd6f4b7419d535df939cf2facebf947aeb0c3c5c1b4270c6592200ae502a6f438b5a1193ebea78b6a9f5dd9ee6a7692a609aec

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsk3A7.tmp\NSIS_AntiVmFraud.dll

Filesize
88KB

MD5
c0611351b38e6c292246ef16d5c996e2

SHA1
fd6b07503e21278a11e0812e586d24266a5b3dea

SHA256
1f25aaad57d697c252fd086236862501296d4a06b2d2f02a20d118db0c1ea5b3

SHA512
8338a3ee9c9915daa592cdcdb0bd6f4b7419d535df939cf2facebf947aeb0c3c5c1b4270c6592200ae502a6f438b5a1193ebea78b6a9f5dd9ee6a7692a609aec

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsk3A7.tmp\System.dll

Filesize
11KB

MD5
c17103ae9072a06da581dec998343fc1

SHA1
b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

SHA256
dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

SHA512
d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsk3A7.tmp\amisid.exe

Filesize
63KB

MD5
e72a358d9ca068640b71999e3feb6489

SHA1
452de7b0de255467fc113aeab0244a28d9d6ddb4

SHA256
1fde3db9ef2e1e283bd4f8cc7e703f323b8f44dc04865d52939373db2e5ca46d

SHA512
7f622c50261ce98ebeaba06413b1660a08469fc692210927affb3efd014323aaf3d6cbb682ae79579f6fbd2a52121536a3b60b19674d76209f5445f381dc626e

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsk3A7.tmp\amisid.exe

Filesize
63KB

MD5
e72a358d9ca068640b71999e3feb6489

SHA1
452de7b0de255467fc113aeab0244a28d9d6ddb4

SHA256
1fde3db9ef2e1e283bd4f8cc7e703f323b8f44dc04865d52939373db2e5ca46d

SHA512
7f622c50261ce98ebeaba06413b1660a08469fc692210927affb3efd014323aaf3d6cbb682ae79579f6fbd2a52121536a3b60b19674d76209f5445f381dc626e

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsk3A7.tmp\nsisos.dll

Filesize
5KB

MD5
69806691d649ef1c8703fd9e29231d44

SHA1
e2193fcf5b4863605eec2a5eb17bf84c7ac00166

SHA256
ba79ab7f63f02ed5d5d46b82b11d97dac5b7ef7e9b9a4df926b43ceac18483b6

SHA512
5e5e0319e701d15134a01cb6472c624e271e99891058aef4dfe779c29c73899771a5b6f8b1cd61b543a3b3defeaecaa080c9cc4e76e84038ca08e12084f128eb

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsk3A7.tmp\nsisos.dll

Filesize
5KB

MD5
69806691d649ef1c8703fd9e29231d44

SHA1
e2193fcf5b4863605eec2a5eb17bf84c7ac00166

SHA256
ba79ab7f63f02ed5d5d46b82b11d97dac5b7ef7e9b9a4df926b43ceac18483b6

SHA512
5e5e0319e701d15134a01cb6472c624e271e99891058aef4dfe779c29c73899771a5b6f8b1cd61b543a3b3defeaecaa080c9cc4e76e84038ca08e12084f128eb

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsk3A7.tmp\nsisos.dll

Filesize
5KB

MD5
69806691d649ef1c8703fd9e29231d44

SHA1
e2193fcf5b4863605eec2a5eb17bf84c7ac00166

SHA256
ba79ab7f63f02ed5d5d46b82b11d97dac5b7ef7e9b9a4df926b43ceac18483b6

SHA512
5e5e0319e701d15134a01cb6472c624e271e99891058aef4dfe779c29c73899771a5b6f8b1cd61b543a3b3defeaecaa080c9cc4e76e84038ca08e12084f128eb

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsk3A7.tmp\registry.dll

Filesize
24KB

MD5
2b7007ed0262ca02ef69d8990815cbeb

SHA1
2eabe4f755213666dbbbde024a5235ddde02b47f

SHA256
0b25b20f26de5d5bd795f934c70447112b4981343fcb2dfab3374a4018d28c2d

SHA512
aa75ee59ca0b8530eb7298b74e5f334ae9d14129f603b285a3170b82103cfdcc175af8185317e6207142517769e69a24b34fcdf0f58ed50a4960cbe8c22a0aca

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsk3A7.tmp\registry.dll

Filesize
24KB

MD5
2b7007ed0262ca02ef69d8990815cbeb

SHA1
2eabe4f755213666dbbbde024a5235ddde02b47f

SHA256
0b25b20f26de5d5bd795f934c70447112b4981343fcb2dfab3374a4018d28c2d

SHA512
aa75ee59ca0b8530eb7298b74e5f334ae9d14129f603b285a3170b82103cfdcc175af8185317e6207142517769e69a24b34fcdf0f58ed50a4960cbe8c22a0aca

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsk3A7.tmp\registry.dll

Filesize
24KB

MD5
2b7007ed0262ca02ef69d8990815cbeb

SHA1
2eabe4f755213666dbbbde024a5235ddde02b47f

SHA256
0b25b20f26de5d5bd795f934c70447112b4981343fcb2dfab3374a4018d28c2d

SHA512
aa75ee59ca0b8530eb7298b74e5f334ae9d14129f603b285a3170b82103cfdcc175af8185317e6207142517769e69a24b34fcdf0f58ed50a4960cbe8c22a0aca

Download Submit
memory/440-0-0x0000000000390000-0x0000000000452000-memory.dmp

Filesize
776KB

Download
memory/440-13-0x0000000002230000-0x0000000002289000-memory.dmp

Filesize
356KB

Download
memory/440-31-0x0000000000390000-0x0000000000452000-memory.dmp

Filesize
776KB

Download