a12e71cbb3ddc9815c1052654e0d9b8c203f745b45e0e63ee0780604ffcd14c6

Analysis

max time kernel
49s
max time network
44s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
24/11/2022, 08:32

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General

Target

a12e71cbb3ddc9815c1052654e0d9b8c203f745b45e0e63ee0780604ffcd14c6.exe
Size

12.0MB
MD5

0305071a00b2c12e74609ba9c54b55a2
SHA1

4f4d824d717246cca92c2bfbe2f2feb55f8e32e9
SHA256

a12e71cbb3ddc9815c1052654e0d9b8c203f745b45e0e63ee0780604ffcd14c6
SHA512

b2a6fb266c4222c67295e43417c90a6f7c48a4cbba9432dcd12ee426d6541852e3946cc094ccb49daac8dedaeabdd3fa97e83b68c6a6515e6f2199b66068b978
SSDEEP

196608:lexxSX4AXddEn3o9jx2VP52LG9Nyr0TiZ1GwrMhebDn8mgmpjbKtxLCKzA2Og:cxSXrG0MwLG9p0ZHj8mZFKt0oA27

Score

9^/10

evasion upx

Malware Config

Signatures

ACProtect 1.3x - 1.4x DLL software 2 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x00070000000131a9-70.dat	acprotect
behavioral1/files/0x00070000000131a9-71.dat	acprotect

Checks for common network interception software 1 TTPs
Looks in the registry for tools like Wireshark or Fiddler commonly used to analyze network activity.
evasion

Software Discovery
T1518

Executes dropped EXE 1 IoCs

pid	Process
1168	Vfuixncblb.exe

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/files/0x00070000000131a9-70.dat	upx
behavioral1/files/0x00070000000131a9-71.dat	upx

Loads dropped DLL 22 IoCs

pid	Process
1872	a12e71cbb3ddc9815c1052654e0d9b8c203f745b45e0e63ee0780604ffcd14c6.exe
1872	a12e71cbb3ddc9815c1052654e0d9b8c203f745b45e0e63ee0780604ffcd14c6.exe
1872	a12e71cbb3ddc9815c1052654e0d9b8c203f745b45e0e63ee0780604ffcd14c6.exe
1872	a12e71cbb3ddc9815c1052654e0d9b8c203f745b45e0e63ee0780604ffcd14c6.exe
1168	Vfuixncblb.exe
1168	Vfuixncblb.exe
1168	Vfuixncblb.exe
1168	Vfuixncblb.exe
1168	Vfuixncblb.exe
1168	Vfuixncblb.exe
1168	Vfuixncblb.exe
1168	Vfuixncblb.exe
1168	Vfuixncblb.exe
1168	Vfuixncblb.exe
1168	Vfuixncblb.exe
1168	Vfuixncblb.exe
680	WerFault.exe
680	WerFault.exe
680	WerFault.exe
680	WerFault.exe
680	WerFault.exe
680	WerFault.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
680	1168	WerFault.exe	27

NSIS installer 8 IoCs

installer

resource	yara_rule
behavioral1/files/0x000800000001230f-58.dat	nsis_installer_2
behavioral1/files/0x000800000001230f-60.dat	nsis_installer_2
behavioral1/files/0x000800000001230f-62.dat	nsis_installer_2
behavioral1/files/0x000800000001230f-81.dat	nsis_installer_2
behavioral1/files/0x000800000001230f-80.dat	nsis_installer_2
behavioral1/files/0x000800000001230f-79.dat	nsis_installer_2
behavioral1/files/0x000800000001230f-78.dat	nsis_installer_2
behavioral1/files/0x000800000001230f-83.dat	nsis_installer_2

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1168	Vfuixncblb.exe
1168	Vfuixncblb.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1872 wrote to memory of 1168	1872	a12e71cbb3ddc9815c1052654e0d9b8c203f745b45e0e63ee0780604ffcd14c6.exe	27
PID 1872 wrote to memory of 1168	1872	a12e71cbb3ddc9815c1052654e0d9b8c203f745b45e0e63ee0780604ffcd14c6.exe	27
PID 1872 wrote to memory of 1168	1872	a12e71cbb3ddc9815c1052654e0d9b8c203f745b45e0e63ee0780604ffcd14c6.exe	27
PID 1872 wrote to memory of 1168	1872	a12e71cbb3ddc9815c1052654e0d9b8c203f745b45e0e63ee0780604ffcd14c6.exe	27
PID 1168 wrote to memory of 680	1168	Vfuixncblb.exe	29
PID 1168 wrote to memory of 680	1168	Vfuixncblb.exe	29
PID 1168 wrote to memory of 680	1168	Vfuixncblb.exe	29
PID 1168 wrote to memory of 680	1168	Vfuixncblb.exe	29

C:\Users\Admin\AppData\Local\Temp\a12e71cbb3ddc9815c1052654e0d9b8c203f745b45e0e63ee0780604ffcd14c6.exe
"C:\Users\Admin\AppData\Local\Temp\a12e71cbb3ddc9815c1052654e0d9b8c203f745b45e0e63ee0780604ffcd14c6.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1872
- C:\Users\Admin\AppData\Local\Temp\nsd37D4.tmp\Vfuixncblb.exe
  "C:\Users\Admin\AppData\Local\Temp\nsd37D4.tmp\Vfuixncblb.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1168
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1168 -s 576
    3⤵
    - Loads dropped DLL
    - Program crash
    PID:680

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Software Discovery

T1518

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\nsd37D4.tmp\Vfuixncblb.exe

Filesize
11.9MB

MD5
aa61b487fbb8e358cf1453d30ff61130

SHA1
04d64a1e4ef3d6d05307c86eb49508b00b2c33d1

SHA256
4de80289ce2170aad60480ae12403f56f57515efeb99f83428f912e426abcc43

SHA512
7ad72f305b98b6a5365b4a01f9241af51bf974a1b49db96fbd4300d584c53c1ef1b8ea547f47471d248b80cb3b707e76ff40730af61d65ebde7c45194137e348

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsd37D4.tmp\Vfuixncblb.exe

Filesize
11.9MB

MD5
aa61b487fbb8e358cf1453d30ff61130

SHA1
04d64a1e4ef3d6d05307c86eb49508b00b2c33d1

SHA256
4de80289ce2170aad60480ae12403f56f57515efeb99f83428f912e426abcc43

SHA512
7ad72f305b98b6a5365b4a01f9241af51bf974a1b49db96fbd4300d584c53c1ef1b8ea547f47471d248b80cb3b707e76ff40730af61d65ebde7c45194137e348

Download Submit
\Users\Admin\AppData\Local\Temp\nsd37D4.tmp\StdUtils.dll

Filesize
14KB

MD5
21010df9bc37daffcc0b5ae190381d85

SHA1
a8ba022aafc1233894db29e40e569dfc8b280eb9

SHA256
0ebd62de633fa108cf18139be6778fa560680f9f8a755e41c6ab544ab8db5c16

SHA512
95d3dbba6eac144260d5fcc7fcd5fb3afcb59ae62bd2eafc5a1d2190e9b44f8e125290d62fef82ad8799d0072997c57b2fa8a643aba554d0a82bbd3f8eb1403e

Download Submit
\Users\Admin\AppData\Local\Temp\nsd37D4.tmp\System.dll

Filesize
11KB

MD5
00a0194c20ee912257df53bfe258ee4a

SHA1
d7b4e319bc5119024690dc8230b9cc919b1b86b2

SHA256
dc4da2ccadb11099076926b02764b2b44ad8f97cd32337421a4cc21a3f5448f3

SHA512
3b38a2c17996c3b77ebf7b858a6c37415615e756792132878d8eddbd13cb06710b7da0e8b58104768f8e475fc93e8b44b3b1ab6f70ddf52edee111aaf5ef5667

Download Submit
\Users\Admin\AppData\Local\Temp\nsd37D4.tmp\Vfuixncblb.exe

Filesize
11.9MB

MD5
aa61b487fbb8e358cf1453d30ff61130

SHA1
04d64a1e4ef3d6d05307c86eb49508b00b2c33d1

SHA256
4de80289ce2170aad60480ae12403f56f57515efeb99f83428f912e426abcc43

SHA512
7ad72f305b98b6a5365b4a01f9241af51bf974a1b49db96fbd4300d584c53c1ef1b8ea547f47471d248b80cb3b707e76ff40730af61d65ebde7c45194137e348

Download Submit
\Users\Admin\AppData\Local\Temp\nsd37D4.tmp\Vfuixncblb.exe

Filesize
11.9MB

MD5
aa61b487fbb8e358cf1453d30ff61130

SHA1
04d64a1e4ef3d6d05307c86eb49508b00b2c33d1

SHA256
4de80289ce2170aad60480ae12403f56f57515efeb99f83428f912e426abcc43

SHA512
7ad72f305b98b6a5365b4a01f9241af51bf974a1b49db96fbd4300d584c53c1ef1b8ea547f47471d248b80cb3b707e76ff40730af61d65ebde7c45194137e348

Download Submit
\Users\Admin\AppData\Local\Temp\nsd37D4.tmp\Vfuixncblb.exe

Filesize
11.9MB

MD5
aa61b487fbb8e358cf1453d30ff61130

SHA1
04d64a1e4ef3d6d05307c86eb49508b00b2c33d1

SHA256
4de80289ce2170aad60480ae12403f56f57515efeb99f83428f912e426abcc43

SHA512
7ad72f305b98b6a5365b4a01f9241af51bf974a1b49db96fbd4300d584c53c1ef1b8ea547f47471d248b80cb3b707e76ff40730af61d65ebde7c45194137e348

Download Submit
\Users\Admin\AppData\Local\Temp\nsd37D4.tmp\Vfuixncblb.exe

Filesize
11.9MB

MD5
aa61b487fbb8e358cf1453d30ff61130

SHA1
04d64a1e4ef3d6d05307c86eb49508b00b2c33d1

SHA256
4de80289ce2170aad60480ae12403f56f57515efeb99f83428f912e426abcc43

SHA512
7ad72f305b98b6a5365b4a01f9241af51bf974a1b49db96fbd4300d584c53c1ef1b8ea547f47471d248b80cb3b707e76ff40730af61d65ebde7c45194137e348

Download Submit
\Users\Admin\AppData\Local\Temp\nsd37D4.tmp\Vfuixncblb.exe

Filesize
11.9MB

MD5
aa61b487fbb8e358cf1453d30ff61130

SHA1
04d64a1e4ef3d6d05307c86eb49508b00b2c33d1

SHA256
4de80289ce2170aad60480ae12403f56f57515efeb99f83428f912e426abcc43

SHA512
7ad72f305b98b6a5365b4a01f9241af51bf974a1b49db96fbd4300d584c53c1ef1b8ea547f47471d248b80cb3b707e76ff40730af61d65ebde7c45194137e348

Download Submit
\Users\Admin\AppData\Local\Temp\nsd37D4.tmp\Vfuixncblb.exe

Filesize
11.9MB

MD5
aa61b487fbb8e358cf1453d30ff61130

SHA1
04d64a1e4ef3d6d05307c86eb49508b00b2c33d1

SHA256
4de80289ce2170aad60480ae12403f56f57515efeb99f83428f912e426abcc43

SHA512
7ad72f305b98b6a5365b4a01f9241af51bf974a1b49db96fbd4300d584c53c1ef1b8ea547f47471d248b80cb3b707e76ff40730af61d65ebde7c45194137e348

Download Submit
\Users\Admin\AppData\Local\Temp\nsd37D4.tmp\WrapperUtils.dll

Filesize
58KB

MD5
6a6e870a25578bf1966f007de2022015

SHA1
e7a45857c52f3ae9339007e1d496d76c55bbbab5

SHA256
948ae3a092d6e33eb8432361a82f5295e4ccd90b70158940551f2682a1288847

SHA512
03e4a1144b6f24d5172b5aa5da130b24bb804b35f43cc3b741e0298e033ac66f56569e119104ca547908b247e030feb672e656fb0fa647d56e061c0207bdcb56

Download Submit
\Users\Admin\AppData\Local\Temp\nso8F38.tmp\InstallerUtils.dll

Filesize
819KB

MD5
d01e364dec86fa684f2b3c9d7308255e

SHA1
d858210547d09458aa16913570065da889834b98

SHA256
d7fa37cc2583b3ded02aaa508b07879f20c4278c188651b054b4318b2957dbe2

SHA512
eb99a87ed4bc55600c4f4335801ff933d17558eb53b2541ffe46c6c25bd3d505fe029d37c532bc22e9050b8ce26040ae03e79a838f056ed8522050f74e32c93f

Download Submit
\Users\Admin\AppData\Local\Temp\nso8F38.tmp\InstallerUtils.dll

Filesize
819KB

MD5
d01e364dec86fa684f2b3c9d7308255e

SHA1
d858210547d09458aa16913570065da889834b98

SHA256
d7fa37cc2583b3ded02aaa508b07879f20c4278c188651b054b4318b2957dbe2

SHA512
eb99a87ed4bc55600c4f4335801ff933d17558eb53b2541ffe46c6c25bd3d505fe029d37c532bc22e9050b8ce26040ae03e79a838f056ed8522050f74e32c93f

Download Submit
\Users\Admin\AppData\Local\Temp\nso8F38.tmp\InstallerUtils.dll

Filesize
819KB

MD5
d01e364dec86fa684f2b3c9d7308255e

SHA1
d858210547d09458aa16913570065da889834b98

SHA256
d7fa37cc2583b3ded02aaa508b07879f20c4278c188651b054b4318b2957dbe2

SHA512
eb99a87ed4bc55600c4f4335801ff933d17558eb53b2541ffe46c6c25bd3d505fe029d37c532bc22e9050b8ce26040ae03e79a838f056ed8522050f74e32c93f

Download Submit
\Users\Admin\AppData\Local\Temp\nso8F38.tmp\InstallerUtils.dll

Filesize
819KB

MD5
d01e364dec86fa684f2b3c9d7308255e

SHA1
d858210547d09458aa16913570065da889834b98

SHA256
d7fa37cc2583b3ded02aaa508b07879f20c4278c188651b054b4318b2957dbe2

SHA512
eb99a87ed4bc55600c4f4335801ff933d17558eb53b2541ffe46c6c25bd3d505fe029d37c532bc22e9050b8ce26040ae03e79a838f056ed8522050f74e32c93f

Download Submit
\Users\Admin\AppData\Local\Temp\nso8F38.tmp\InstallerUtils.dll

Filesize
819KB

MD5
d01e364dec86fa684f2b3c9d7308255e

SHA1
d858210547d09458aa16913570065da889834b98

SHA256
d7fa37cc2583b3ded02aaa508b07879f20c4278c188651b054b4318b2957dbe2

SHA512
eb99a87ed4bc55600c4f4335801ff933d17558eb53b2541ffe46c6c25bd3d505fe029d37c532bc22e9050b8ce26040ae03e79a838f056ed8522050f74e32c93f

Download Submit
\Users\Admin\AppData\Local\Temp\nso8F38.tmp\InstallerUtils.dll

Filesize
819KB

MD5
d01e364dec86fa684f2b3c9d7308255e

SHA1
d858210547d09458aa16913570065da889834b98

SHA256
d7fa37cc2583b3ded02aaa508b07879f20c4278c188651b054b4318b2957dbe2

SHA512
eb99a87ed4bc55600c4f4335801ff933d17558eb53b2541ffe46c6c25bd3d505fe029d37c532bc22e9050b8ce26040ae03e79a838f056ed8522050f74e32c93f

Download Submit
\Users\Admin\AppData\Local\Temp\nso8F38.tmp\InstallerUtils2.dll

Filesize
95KB

MD5
b445e81f493f64b421ba2edcc05238ba

SHA1
da19a4bf5440977257230a717f4288f33622f0d4

SHA256
98093d979d43772597039101985d7c33366936137108d4ea0192404356064ef7

SHA512
ab59b20b3f4e4954a40cb9c005ce68f66a9110b9935969cf2711bca70d016ea24fedb15fc56e96d86adfdbfbe4088433cac950753591a322171528c0bb5efcf0

Download Submit
\Users\Admin\AppData\Local\Temp\nso8F38.tmp\StdUtils.dll

Filesize
14KB

MD5
21010df9bc37daffcc0b5ae190381d85

SHA1
a8ba022aafc1233894db29e40e569dfc8b280eb9

SHA256
0ebd62de633fa108cf18139be6778fa560680f9f8a755e41c6ab544ab8db5c16

SHA512
95d3dbba6eac144260d5fcc7fcd5fb3afcb59ae62bd2eafc5a1d2190e9b44f8e125290d62fef82ad8799d0072997c57b2fa8a643aba554d0a82bbd3f8eb1403e

Download Submit
\Users\Admin\AppData\Local\Temp\nso8F38.tmp\System.dll

Filesize
11KB

MD5
00a0194c20ee912257df53bfe258ee4a

SHA1
d7b4e319bc5119024690dc8230b9cc919b1b86b2

SHA256
dc4da2ccadb11099076926b02764b2b44ad8f97cd32337421a4cc21a3f5448f3

SHA512
3b38a2c17996c3b77ebf7b858a6c37415615e756792132878d8eddbd13cb06710b7da0e8b58104768f8e475fc93e8b44b3b1ab6f70ddf52edee111aaf5ef5667

Download Submit
\Users\Admin\AppData\Local\Temp\nso8F38.tmp\UserInfo.dll

Filesize
4KB

MD5
7579ade7ae1747a31960a228ce02e666

SHA1
8ec8571a296737e819dcf86353a43fcf8ec63351

SHA256
564c80dec62d76c53497c40094db360ff8a36e0dc1bda8383d0f9583138997f5

SHA512
a88bc56e938374c333b0e33cb72951635b5d5a98b9cb2d6785073cbcad23bf4c0f9f69d3b7e87b46c76eb03ced9bb786844ce87656a9e3df4ca24acf43d7a05b

Download Submit
\Users\Admin\AppData\Local\Temp\nso8F38.tmp\md5dll.dll

Filesize
6KB

MD5
0745ff646f5af1f1cdd784c06f40fce9

SHA1
bf7eba06020d7154ce4e35f696bec6e6c966287f

SHA256
fbed2f1160469f42ce97c33ad558201b2b43e3020257f9b2259e3ce295317a70

SHA512
8d31627c719e788b5d0f5f34d4cb175989eaa35aa3335c98f2ba7902c8ae01b23de3ccb9c6eb95945f0b08ef74d456f9f22ca7539df303e1df3f6a7e67b358da

Download Submit
\Users\Admin\AppData\Local\Temp\nso8F38.tmp\md5dll.dll

Filesize
6KB

MD5
0745ff646f5af1f1cdd784c06f40fce9

SHA1
bf7eba06020d7154ce4e35f696bec6e6c966287f

SHA256
fbed2f1160469f42ce97c33ad558201b2b43e3020257f9b2259e3ce295317a70

SHA512
8d31627c719e788b5d0f5f34d4cb175989eaa35aa3335c98f2ba7902c8ae01b23de3ccb9c6eb95945f0b08ef74d456f9f22ca7539df303e1df3f6a7e67b358da

Download Submit
\Users\Admin\AppData\Local\Temp\nso8F38.tmp\nsisos.dll

Filesize
5KB

MD5
69806691d649ef1c8703fd9e29231d44

SHA1
e2193fcf5b4863605eec2a5eb17bf84c7ac00166

SHA256
ba79ab7f63f02ed5d5d46b82b11d97dac5b7ef7e9b9a4df926b43ceac18483b6

SHA512
5e5e0319e701d15134a01cb6472c624e271e99891058aef4dfe779c29c73899771a5b6f8b1cd61b543a3b3defeaecaa080c9cc4e76e84038ca08e12084f128eb

Download Submit
memory/1168-75-0x0000000000B60000-0x0000000000B69000-memory.dmp

Filesize
36KB

Download
memory/1168-76-0x0000000000B60000-0x0000000000B69000-memory.dmp

Filesize
36KB

Download
memory/1168-84-0x0000000000B60000-0x0000000000B69000-memory.dmp

Filesize
36KB

Download
memory/1168-85-0x0000000000B60000-0x0000000000B69000-memory.dmp

Filesize
36KB

Download
memory/1872-54-0x0000000075841000-0x0000000075843000-memory.dmp

Filesize
8KB

Download