fc9b940cc7f114f214212357a40981439ec5dd71fb61c43e232ae5c31c3220a9

Analysis

max time kernel
56s
max time network
46s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
24-11-2022 08:06

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General

Target

fc9b940cc7f114f214212357a40981439ec5dd71fb61c43e232ae5c31c3220a9.exe
Size

11.6MB
MD5

e24ffbd023aea0b263bc19987b24ee62
SHA1

7a5d16314f37f9b8cf1ee8d302c95ebaf95d4596
SHA256

fc9b940cc7f114f214212357a40981439ec5dd71fb61c43e232ae5c31c3220a9
SHA512

9b7562c5d9366afb816dc4ed7ad2552a387790b602894714f2c86637d5192292643eb910929e287bb709b01bd27b9360c6d51bab21f3998bf68c3e4a32700745
SSDEEP

196608:DlJO2GaJVs9Hzaab5RNGDG3uITFhXOmV9Vt6WAkq2TO+t0rx5W2C20fGAowV:DzO2FG9Taa1RNGDU/Fh+q9VoZBBvDH8p

Score

9^/10

evasion upx

Malware Config

Signatures

ACProtect 1.3x - 1.4x DLL software 2 IoCs

Detects file using ACProtect software.

Processes:

resource	yara_rule
\Users\Admin\AppData\Local\Temp\nsd8B51.tmp\md5dll.dll	acprotect
\Users\Admin\AppData\Local\Temp\nsd8B51.tmp\md5dll.dll	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

Processes:

Hzokrajieyv.exe

pid process

852 Hzokrajieyv.exe

pid	process
852	Hzokrajieyv.exe

UPX packed file 2 IoCs

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

upx

Processes:

resource	yara_rule
\Users\Admin\AppData\Local\Temp\nsd8B51.tmp\md5dll.dll	upx
\Users\Admin\AppData\Local\Temp\nsd8B51.tmp\md5dll.dll	upx

Loads dropped DLL 22 IoCs

Processes:

fc9b940cc7f114f214212357a40981439ec5dd71fb61c43e232ae5c31c3220a9.exeHzokrajieyv.exeWerFault.exe

pid	process
1536	fc9b940cc7f114f214212357a40981439ec5dd71fb61c43e232ae5c31c3220a9.exe
1536	fc9b940cc7f114f214212357a40981439ec5dd71fb61c43e232ae5c31c3220a9.exe
1536	fc9b940cc7f114f214212357a40981439ec5dd71fb61c43e232ae5c31c3220a9.exe
1536	fc9b940cc7f114f214212357a40981439ec5dd71fb61c43e232ae5c31c3220a9.exe
852	Hzokrajieyv.exe
852	Hzokrajieyv.exe
852	Hzokrajieyv.exe
852	Hzokrajieyv.exe
852	Hzokrajieyv.exe
852	Hzokrajieyv.exe
852	Hzokrajieyv.exe
852	Hzokrajieyv.exe
852	Hzokrajieyv.exe
852	Hzokrajieyv.exe
852	Hzokrajieyv.exe
852	Hzokrajieyv.exe
1080	WerFault.exe
1080	WerFault.exe
1080	WerFault.exe
1080	WerFault.exe
1080	WerFault.exe
1080	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

Processes:

WerFault.exe

pid pid_target process target process

1080 852 WerFault.exe Hzokrajieyv.exe

pid	pid_target	process	target process
1080	852	WerFault.exe	Hzokrajieyv.exe

NSIS installer 8 IoCs

installer

Processes:

resource	yara_rule
\Users\Admin\AppData\Local\Temp\nst59B6.tmp\Hzokrajieyv.exe	nsis_installer_2
C:\Users\Admin\AppData\Local\Temp\nst59B6.tmp\Hzokrajieyv.exe	nsis_installer_2
C:\Users\Admin\AppData\Local\Temp\nst59B6.tmp\Hzokrajieyv.exe	nsis_installer_2
\Users\Admin\AppData\Local\Temp\nst59B6.tmp\Hzokrajieyv.exe	nsis_installer_2
\Users\Admin\AppData\Local\Temp\nst59B6.tmp\Hzokrajieyv.exe	nsis_installer_2
\Users\Admin\AppData\Local\Temp\nst59B6.tmp\Hzokrajieyv.exe	nsis_installer_2
\Users\Admin\AppData\Local\Temp\nst59B6.tmp\Hzokrajieyv.exe	nsis_installer_2
\Users\Admin\AppData\Local\Temp\nst59B6.tmp\Hzokrajieyv.exe	nsis_installer_2

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

Hzokrajieyv.exe

pid process

852 Hzokrajieyv.exe
852 Hzokrajieyv.exe

pid	process
852	Hzokrajieyv.exe
852	Hzokrajieyv.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

fc9b940cc7f114f214212357a40981439ec5dd71fb61c43e232ae5c31c3220a9.exeHzokrajieyv.exe

description	pid	process	target process
PID 1536 wrote to memory of 852	1536	fc9b940cc7f114f214212357a40981439ec5dd71fb61c43e232ae5c31c3220a9.exe	Hzokrajieyv.exe
PID 1536 wrote to memory of 852	1536	fc9b940cc7f114f214212357a40981439ec5dd71fb61c43e232ae5c31c3220a9.exe	Hzokrajieyv.exe
PID 1536 wrote to memory of 852	1536	fc9b940cc7f114f214212357a40981439ec5dd71fb61c43e232ae5c31c3220a9.exe	Hzokrajieyv.exe
PID 1536 wrote to memory of 852	1536	fc9b940cc7f114f214212357a40981439ec5dd71fb61c43e232ae5c31c3220a9.exe	Hzokrajieyv.exe
PID 852 wrote to memory of 1080	852	Hzokrajieyv.exe	WerFault.exe
PID 852 wrote to memory of 1080	852	Hzokrajieyv.exe	WerFault.exe
PID 852 wrote to memory of 1080	852	Hzokrajieyv.exe	WerFault.exe
PID 852 wrote to memory of 1080	852	Hzokrajieyv.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\fc9b940cc7f114f214212357a40981439ec5dd71fb61c43e232ae5c31c3220a9.exe
"C:\Users\Admin\AppData\Local\Temp\fc9b940cc7f114f214212357a40981439ec5dd71fb61c43e232ae5c31c3220a9.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1536

C:\Users\Admin\AppData\Local\Temp\nst59B6.tmp\Hzokrajieyv.exe
"C:\Users\Admin\AppData\Local\Temp\nst59B6.tmp\Hzokrajieyv.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:852

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 852 -s 568
3⤵
- Loads dropped DLL
- Program crash
PID:1080

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Software Discovery

T1518

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\nst59B6.tmp\Hzokrajieyv.exe
Filesize
11.4MB

MD5
3fdc2eae2d24b6fc013249196d8317d5

SHA1
4bceb7d487db63ea71b74d54445049d03b44b80c

SHA256
7d8e14fde2d8d93c6953e0c2b5bcc1c8c151f313134dbbd2c443c6ccc79b0c64

SHA512
6e1b01311b42b6f3837363b05a84d052e7a5904a09cfc77957d4731bd941ca81873db67ce56a37e787a136f9817d51a4740c1fd13fb7d8bfb710bfde172a6d51

Download Submit
C:\Users\Admin\AppData\Local\Temp\nst59B6.tmp\Hzokrajieyv.exe
Filesize
11.4MB

MD5
3fdc2eae2d24b6fc013249196d8317d5

SHA1
4bceb7d487db63ea71b74d54445049d03b44b80c

SHA256
7d8e14fde2d8d93c6953e0c2b5bcc1c8c151f313134dbbd2c443c6ccc79b0c64

SHA512
6e1b01311b42b6f3837363b05a84d052e7a5904a09cfc77957d4731bd941ca81873db67ce56a37e787a136f9817d51a4740c1fd13fb7d8bfb710bfde172a6d51

Download Submit
\Users\Admin\AppData\Local\Temp\nsd8B51.tmp\InstallerUtils.dll
Filesize
780KB

MD5
31d9f64c4b99d01feb9c101727d62813

SHA1
ac3b64898b05f88c15fd4e9619fbd0ee9a8b9b0f

SHA256
5e850f55ab9070d82b5390f45a8a0015a12405ee02f134cf99752e021ac84fbe

SHA512
bcff3a7bf106d4aa16a19f8b9fc7b8c8c2185da6a80b4dc66ef50501d8430493c29b99a5fce307e8b3f7d301b303a72c6d1e02a5259d76298ad9821f8bfd5ef9

Download Submit
\Users\Admin\AppData\Local\Temp\nsd8B51.tmp\InstallerUtils.dll
Filesize
780KB

MD5
31d9f64c4b99d01feb9c101727d62813

SHA1
ac3b64898b05f88c15fd4e9619fbd0ee9a8b9b0f

SHA256
5e850f55ab9070d82b5390f45a8a0015a12405ee02f134cf99752e021ac84fbe

SHA512
bcff3a7bf106d4aa16a19f8b9fc7b8c8c2185da6a80b4dc66ef50501d8430493c29b99a5fce307e8b3f7d301b303a72c6d1e02a5259d76298ad9821f8bfd5ef9

Download Submit
\Users\Admin\AppData\Local\Temp\nsd8B51.tmp\InstallerUtils.dll
Filesize
780KB

MD5
31d9f64c4b99d01feb9c101727d62813

SHA1
ac3b64898b05f88c15fd4e9619fbd0ee9a8b9b0f

SHA256
5e850f55ab9070d82b5390f45a8a0015a12405ee02f134cf99752e021ac84fbe

SHA512
bcff3a7bf106d4aa16a19f8b9fc7b8c8c2185da6a80b4dc66ef50501d8430493c29b99a5fce307e8b3f7d301b303a72c6d1e02a5259d76298ad9821f8bfd5ef9

Download Submit
\Users\Admin\AppData\Local\Temp\nsd8B51.tmp\InstallerUtils.dll
Filesize
780KB

MD5
31d9f64c4b99d01feb9c101727d62813

SHA1
ac3b64898b05f88c15fd4e9619fbd0ee9a8b9b0f

SHA256
5e850f55ab9070d82b5390f45a8a0015a12405ee02f134cf99752e021ac84fbe

SHA512
bcff3a7bf106d4aa16a19f8b9fc7b8c8c2185da6a80b4dc66ef50501d8430493c29b99a5fce307e8b3f7d301b303a72c6d1e02a5259d76298ad9821f8bfd5ef9

Download Submit
\Users\Admin\AppData\Local\Temp\nsd8B51.tmp\InstallerUtils.dll
Filesize
780KB

MD5
31d9f64c4b99d01feb9c101727d62813

SHA1
ac3b64898b05f88c15fd4e9619fbd0ee9a8b9b0f

SHA256
5e850f55ab9070d82b5390f45a8a0015a12405ee02f134cf99752e021ac84fbe

SHA512
bcff3a7bf106d4aa16a19f8b9fc7b8c8c2185da6a80b4dc66ef50501d8430493c29b99a5fce307e8b3f7d301b303a72c6d1e02a5259d76298ad9821f8bfd5ef9

Download Submit
\Users\Admin\AppData\Local\Temp\nsd8B51.tmp\InstallerUtils.dll
Filesize
780KB

MD5
31d9f64c4b99d01feb9c101727d62813

SHA1
ac3b64898b05f88c15fd4e9619fbd0ee9a8b9b0f

SHA256
5e850f55ab9070d82b5390f45a8a0015a12405ee02f134cf99752e021ac84fbe

SHA512
bcff3a7bf106d4aa16a19f8b9fc7b8c8c2185da6a80b4dc66ef50501d8430493c29b99a5fce307e8b3f7d301b303a72c6d1e02a5259d76298ad9821f8bfd5ef9

Download Submit
\Users\Admin\AppData\Local\Temp\nsd8B51.tmp\InstallerUtils2.dll
Filesize
91KB

MD5
a0645ca66b2edc91fa60bcb3e06147ab

SHA1
1c0db5c1b8b3761748a4a67c1e2fce57b96ccab0

SHA256
0bc6de7a204ab68b85d745ec54a984dfdcd56c7195eb7f825e2eee777d8be7c2

SHA512
f7c51c135595b778a0b897a5c6241c4a7cedff0ec1965dca41ad37b45fdf3fbcc1f067f076ebb8103622844b89b0561c5abd0b2a5c84390a3a8ae2c11a3e0838

Download Submit
\Users\Admin\AppData\Local\Temp\nsd8B51.tmp\StdUtils.dll
Filesize
14KB

MD5
21010df9bc37daffcc0b5ae190381d85

SHA1
a8ba022aafc1233894db29e40e569dfc8b280eb9

SHA256
0ebd62de633fa108cf18139be6778fa560680f9f8a755e41c6ab544ab8db5c16

SHA512
95d3dbba6eac144260d5fcc7fcd5fb3afcb59ae62bd2eafc5a1d2190e9b44f8e125290d62fef82ad8799d0072997c57b2fa8a643aba554d0a82bbd3f8eb1403e

Download Submit
\Users\Admin\AppData\Local\Temp\nsd8B51.tmp\System.dll
Filesize
11KB

MD5
00a0194c20ee912257df53bfe258ee4a

SHA1
d7b4e319bc5119024690dc8230b9cc919b1b86b2

SHA256
dc4da2ccadb11099076926b02764b2b44ad8f97cd32337421a4cc21a3f5448f3

SHA512
3b38a2c17996c3b77ebf7b858a6c37415615e756792132878d8eddbd13cb06710b7da0e8b58104768f8e475fc93e8b44b3b1ab6f70ddf52edee111aaf5ef5667

Download Submit
\Users\Admin\AppData\Local\Temp\nsd8B51.tmp\UserInfo.dll
Filesize
4KB

MD5
7579ade7ae1747a31960a228ce02e666

SHA1
8ec8571a296737e819dcf86353a43fcf8ec63351

SHA256
564c80dec62d76c53497c40094db360ff8a36e0dc1bda8383d0f9583138997f5

SHA512
a88bc56e938374c333b0e33cb72951635b5d5a98b9cb2d6785073cbcad23bf4c0f9f69d3b7e87b46c76eb03ced9bb786844ce87656a9e3df4ca24acf43d7a05b

Download Submit
\Users\Admin\AppData\Local\Temp\nsd8B51.tmp\md5dll.dll
Filesize
6KB

MD5
0745ff646f5af1f1cdd784c06f40fce9

SHA1
bf7eba06020d7154ce4e35f696bec6e6c966287f

SHA256
fbed2f1160469f42ce97c33ad558201b2b43e3020257f9b2259e3ce295317a70

SHA512
8d31627c719e788b5d0f5f34d4cb175989eaa35aa3335c98f2ba7902c8ae01b23de3ccb9c6eb95945f0b08ef74d456f9f22ca7539df303e1df3f6a7e67b358da

Download Submit
\Users\Admin\AppData\Local\Temp\nsd8B51.tmp\md5dll.dll
Filesize
6KB

MD5
0745ff646f5af1f1cdd784c06f40fce9

SHA1
bf7eba06020d7154ce4e35f696bec6e6c966287f

SHA256
fbed2f1160469f42ce97c33ad558201b2b43e3020257f9b2259e3ce295317a70

SHA512
8d31627c719e788b5d0f5f34d4cb175989eaa35aa3335c98f2ba7902c8ae01b23de3ccb9c6eb95945f0b08ef74d456f9f22ca7539df303e1df3f6a7e67b358da

Download Submit
\Users\Admin\AppData\Local\Temp\nsd8B51.tmp\nsisos.dll
Filesize
5KB

MD5
69806691d649ef1c8703fd9e29231d44

SHA1
e2193fcf5b4863605eec2a5eb17bf84c7ac00166

SHA256
ba79ab7f63f02ed5d5d46b82b11d97dac5b7ef7e9b9a4df926b43ceac18483b6

SHA512
5e5e0319e701d15134a01cb6472c624e271e99891058aef4dfe779c29c73899771a5b6f8b1cd61b543a3b3defeaecaa080c9cc4e76e84038ca08e12084f128eb

Download Submit
\Users\Admin\AppData\Local\Temp\nst59B6.tmp\Hzokrajieyv.exe
Filesize
11.4MB

MD5
3fdc2eae2d24b6fc013249196d8317d5

SHA1
4bceb7d487db63ea71b74d54445049d03b44b80c

SHA256
7d8e14fde2d8d93c6953e0c2b5bcc1c8c151f313134dbbd2c443c6ccc79b0c64

SHA512
6e1b01311b42b6f3837363b05a84d052e7a5904a09cfc77957d4731bd941ca81873db67ce56a37e787a136f9817d51a4740c1fd13fb7d8bfb710bfde172a6d51

Download Submit
\Users\Admin\AppData\Local\Temp\nst59B6.tmp\Hzokrajieyv.exe
Filesize
11.4MB

MD5
3fdc2eae2d24b6fc013249196d8317d5

SHA1
4bceb7d487db63ea71b74d54445049d03b44b80c

SHA256
7d8e14fde2d8d93c6953e0c2b5bcc1c8c151f313134dbbd2c443c6ccc79b0c64

SHA512
6e1b01311b42b6f3837363b05a84d052e7a5904a09cfc77957d4731bd941ca81873db67ce56a37e787a136f9817d51a4740c1fd13fb7d8bfb710bfde172a6d51

Download Submit
\Users\Admin\AppData\Local\Temp\nst59B6.tmp\Hzokrajieyv.exe
Filesize
11.4MB

MD5
3fdc2eae2d24b6fc013249196d8317d5

SHA1
4bceb7d487db63ea71b74d54445049d03b44b80c

SHA256
7d8e14fde2d8d93c6953e0c2b5bcc1c8c151f313134dbbd2c443c6ccc79b0c64

SHA512
6e1b01311b42b6f3837363b05a84d052e7a5904a09cfc77957d4731bd941ca81873db67ce56a37e787a136f9817d51a4740c1fd13fb7d8bfb710bfde172a6d51

Download Submit
\Users\Admin\AppData\Local\Temp\nst59B6.tmp\Hzokrajieyv.exe
Filesize
11.4MB

MD5
3fdc2eae2d24b6fc013249196d8317d5

SHA1
4bceb7d487db63ea71b74d54445049d03b44b80c

SHA256
7d8e14fde2d8d93c6953e0c2b5bcc1c8c151f313134dbbd2c443c6ccc79b0c64

SHA512
6e1b01311b42b6f3837363b05a84d052e7a5904a09cfc77957d4731bd941ca81873db67ce56a37e787a136f9817d51a4740c1fd13fb7d8bfb710bfde172a6d51

Download Submit
\Users\Admin\AppData\Local\Temp\nst59B6.tmp\Hzokrajieyv.exe
Filesize
11.4MB

MD5
3fdc2eae2d24b6fc013249196d8317d5

SHA1
4bceb7d487db63ea71b74d54445049d03b44b80c

SHA256
7d8e14fde2d8d93c6953e0c2b5bcc1c8c151f313134dbbd2c443c6ccc79b0c64

SHA512
6e1b01311b42b6f3837363b05a84d052e7a5904a09cfc77957d4731bd941ca81873db67ce56a37e787a136f9817d51a4740c1fd13fb7d8bfb710bfde172a6d51

Download Submit
\Users\Admin\AppData\Local\Temp\nst59B6.tmp\Hzokrajieyv.exe
Filesize
11.4MB

MD5
3fdc2eae2d24b6fc013249196d8317d5

SHA1
4bceb7d487db63ea71b74d54445049d03b44b80c

SHA256
7d8e14fde2d8d93c6953e0c2b5bcc1c8c151f313134dbbd2c443c6ccc79b0c64

SHA512
6e1b01311b42b6f3837363b05a84d052e7a5904a09cfc77957d4731bd941ca81873db67ce56a37e787a136f9817d51a4740c1fd13fb7d8bfb710bfde172a6d51

Download Submit
\Users\Admin\AppData\Local\Temp\nst59B6.tmp\StdUtils.dll
Filesize
14KB

MD5
21010df9bc37daffcc0b5ae190381d85

SHA1
a8ba022aafc1233894db29e40e569dfc8b280eb9

SHA256
0ebd62de633fa108cf18139be6778fa560680f9f8a755e41c6ab544ab8db5c16

SHA512
95d3dbba6eac144260d5fcc7fcd5fb3afcb59ae62bd2eafc5a1d2190e9b44f8e125290d62fef82ad8799d0072997c57b2fa8a643aba554d0a82bbd3f8eb1403e

Download Submit
\Users\Admin\AppData\Local\Temp\nst59B6.tmp\System.dll
Filesize
11KB

MD5
00a0194c20ee912257df53bfe258ee4a

SHA1
d7b4e319bc5119024690dc8230b9cc919b1b86b2

SHA256
dc4da2ccadb11099076926b02764b2b44ad8f97cd32337421a4cc21a3f5448f3

SHA512
3b38a2c17996c3b77ebf7b858a6c37415615e756792132878d8eddbd13cb06710b7da0e8b58104768f8e475fc93e8b44b3b1ab6f70ddf52edee111aaf5ef5667

Download Submit
\Users\Admin\AppData\Local\Temp\nst59B6.tmp\WrapperUtils.dll
Filesize
57KB

MD5
60054f0d627dcb42cd6dcf5ea683a3fe

SHA1
b81a60a431061446ff2f90aac92fe8d5aa7d0624

SHA256
a474895d6414e491e83a852d4aaeb21aa01988ae602b7b2417024321f3b9f75a

SHA512
d4709c711e574c4e731161389846fe4e8d2d99a99711a231202806448500f20f2e8738fad940e646592e3815f194c0f2459b404c1fd709bc24e22ac3cdf01215

Download Submit
memory/852-59-0x0000000000000000-mapping.dmp

Download
memory/852-82-0x00000000003F0000-0x00000000003F9000-memory.dmp

Filesize
36KB

Download
memory/852-81-0x00000000003F0000-0x00000000003F9000-memory.dmp

Filesize
36KB

Download
memory/852-84-0x00000000003F0000-0x00000000003F9000-memory.dmp

Filesize
36KB

Download
memory/852-85-0x00000000003F0000-0x00000000003F9000-memory.dmp

Filesize
36KB

Download
memory/1080-75-0x0000000000000000-mapping.dmp

Download
memory/1536-54-0x0000000076871000-0x0000000076873000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads