d51bd8d643a069051c99d31fbee39edf0da2f011d6bd757c846e721cdcaa43bd

Analysis

max time kernel
120s
max time network
32s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
23-11-2022 09:38

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General

Target

d51bd8d643a069051c99d31fbee39edf0da2f011d6bd757c846e721cdcaa43bd.exe
Size

11.1MB
MD5

a0178f46fd38fc7ac7a19aedb2a505c9
SHA1

82c2940d59350dbbc3243c11d8a9eeb121087a7a
SHA256

d51bd8d643a069051c99d31fbee39edf0da2f011d6bd757c846e721cdcaa43bd
SHA512

70905fb4ff1d18b070847376587197c3ab0a727abf509bd1365450180295b605be9fa4a1e87959a3e914a363142ccce25fda49e17f89f62a28caa1a07863a0e8
SSDEEP

196608:0D64qmKGaWpTn6gk8xF5QpcNgKTmCw7dJhj+XilgLNo6c+loAVm51lQD9WH+tnlR:0jt5aSMot6KTmC4j+Slge6eOY1J8R

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\nsoF98E.tmp\md5dll.dll	acprotect
\Users\Admin\AppData\Local\Temp\nsoF98E.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:

Kxpmsphznchrza.exe

pid process

464 Kxpmsphznchrza.exe

pid	process
464	Kxpmsphznchrza.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\nsoF98E.tmp\md5dll.dll	upx
\Users\Admin\AppData\Local\Temp\nsoF98E.tmp\md5dll.dll	upx

Loads dropped DLL 22 IoCs

Processes:

d51bd8d643a069051c99d31fbee39edf0da2f011d6bd757c846e721cdcaa43bd.exeKxpmsphznchrza.exeWerFault.exe

pid	process
1756	d51bd8d643a069051c99d31fbee39edf0da2f011d6bd757c846e721cdcaa43bd.exe
1756	d51bd8d643a069051c99d31fbee39edf0da2f011d6bd757c846e721cdcaa43bd.exe
1756	d51bd8d643a069051c99d31fbee39edf0da2f011d6bd757c846e721cdcaa43bd.exe
1756	d51bd8d643a069051c99d31fbee39edf0da2f011d6bd757c846e721cdcaa43bd.exe
464	Kxpmsphznchrza.exe
464	Kxpmsphznchrza.exe
464	Kxpmsphznchrza.exe
464	Kxpmsphznchrza.exe
464	Kxpmsphznchrza.exe
464	Kxpmsphznchrza.exe
464	Kxpmsphznchrza.exe
464	Kxpmsphznchrza.exe
464	Kxpmsphznchrza.exe
464	Kxpmsphznchrza.exe
464	Kxpmsphznchrza.exe
464	Kxpmsphznchrza.exe
932	WerFault.exe
932	WerFault.exe
932	WerFault.exe
932	WerFault.exe
932	WerFault.exe
932	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

932 464 WerFault.exe Kxpmsphznchrza.exe

pid	pid_target	process	target process
932	464	WerFault.exe	Kxpmsphznchrza.exe

NSIS installer 8 IoCs

installer

Processes:

resource	yara_rule
\Users\Admin\AppData\Local\Temp\nsj9C80.tmp\Kxpmsphznchrza.exe	nsis_installer_2
C:\Users\Admin\AppData\Local\Temp\nsj9C80.tmp\Kxpmsphznchrza.exe	nsis_installer_2
C:\Users\Admin\AppData\Local\Temp\nsj9C80.tmp\Kxpmsphznchrza.exe	nsis_installer_2
\Users\Admin\AppData\Local\Temp\nsj9C80.tmp\Kxpmsphznchrza.exe	nsis_installer_2
\Users\Admin\AppData\Local\Temp\nsj9C80.tmp\Kxpmsphznchrza.exe	nsis_installer_2
\Users\Admin\AppData\Local\Temp\nsj9C80.tmp\Kxpmsphznchrza.exe	nsis_installer_2
\Users\Admin\AppData\Local\Temp\nsj9C80.tmp\Kxpmsphznchrza.exe	nsis_installer_2
\Users\Admin\AppData\Local\Temp\nsj9C80.tmp\Kxpmsphznchrza.exe	nsis_installer_2

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

Kxpmsphznchrza.exe

pid process

464 Kxpmsphznchrza.exe
464 Kxpmsphznchrza.exe

pid	process
464	Kxpmsphznchrza.exe
464	Kxpmsphznchrza.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

d51bd8d643a069051c99d31fbee39edf0da2f011d6bd757c846e721cdcaa43bd.exeKxpmsphznchrza.exe

description	pid	process	target process
PID 1756 wrote to memory of 464	1756	d51bd8d643a069051c99d31fbee39edf0da2f011d6bd757c846e721cdcaa43bd.exe	Kxpmsphznchrza.exe
PID 1756 wrote to memory of 464	1756	d51bd8d643a069051c99d31fbee39edf0da2f011d6bd757c846e721cdcaa43bd.exe	Kxpmsphznchrza.exe
PID 1756 wrote to memory of 464	1756	d51bd8d643a069051c99d31fbee39edf0da2f011d6bd757c846e721cdcaa43bd.exe	Kxpmsphznchrza.exe
PID 1756 wrote to memory of 464	1756	d51bd8d643a069051c99d31fbee39edf0da2f011d6bd757c846e721cdcaa43bd.exe	Kxpmsphznchrza.exe
PID 464 wrote to memory of 932	464	Kxpmsphznchrza.exe	WerFault.exe
PID 464 wrote to memory of 932	464	Kxpmsphznchrza.exe	WerFault.exe
PID 464 wrote to memory of 932	464	Kxpmsphznchrza.exe	WerFault.exe
PID 464 wrote to memory of 932	464	Kxpmsphznchrza.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\d51bd8d643a069051c99d31fbee39edf0da2f011d6bd757c846e721cdcaa43bd.exe
"C:\Users\Admin\AppData\Local\Temp\d51bd8d643a069051c99d31fbee39edf0da2f011d6bd757c846e721cdcaa43bd.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1756

C:\Users\Admin\AppData\Local\Temp\nsj9C80.tmp\Kxpmsphznchrza.exe
"C:\Users\Admin\AppData\Local\Temp\nsj9C80.tmp\Kxpmsphznchrza.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:464

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 464 -s 572
3⤵
- Loads dropped DLL
- Program crash
PID:932

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\nsj9C80.tmp\Kxpmsphznchrza.exe

Filesize
11.0MB

MD5
264d227b17689bbd1f3d71ad6d30b8f0

SHA1
9640ef8319009acf9c508e6ec5e801c466509e46

SHA256
040ffec9135779e63d6e88db71f8a04830f3ebef9665d8d120bc2643b3efab24

SHA512
041039dcfab1889a88f80fd68a0ceb3648b2500171cfe8c26933b4074e4a2f7107cc2f6039a2a27342ab972df7c1837c2f07e06d34ed251a2b7d8ecb023c3832

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsj9C80.tmp\Kxpmsphznchrza.exe

Filesize
11.0MB

MD5
264d227b17689bbd1f3d71ad6d30b8f0

SHA1
9640ef8319009acf9c508e6ec5e801c466509e46

SHA256
040ffec9135779e63d6e88db71f8a04830f3ebef9665d8d120bc2643b3efab24

SHA512
041039dcfab1889a88f80fd68a0ceb3648b2500171cfe8c26933b4074e4a2f7107cc2f6039a2a27342ab972df7c1837c2f07e06d34ed251a2b7d8ecb023c3832

Download Submit
\Users\Admin\AppData\Local\Temp\nsj9C80.tmp\Kxpmsphznchrza.exe

Filesize
11.0MB

MD5
264d227b17689bbd1f3d71ad6d30b8f0

SHA1
9640ef8319009acf9c508e6ec5e801c466509e46

SHA256
040ffec9135779e63d6e88db71f8a04830f3ebef9665d8d120bc2643b3efab24

SHA512
041039dcfab1889a88f80fd68a0ceb3648b2500171cfe8c26933b4074e4a2f7107cc2f6039a2a27342ab972df7c1837c2f07e06d34ed251a2b7d8ecb023c3832

Download Submit
\Users\Admin\AppData\Local\Temp\nsj9C80.tmp\Kxpmsphznchrza.exe

Filesize
11.0MB

MD5
264d227b17689bbd1f3d71ad6d30b8f0

SHA1
9640ef8319009acf9c508e6ec5e801c466509e46

SHA256
040ffec9135779e63d6e88db71f8a04830f3ebef9665d8d120bc2643b3efab24

SHA512
041039dcfab1889a88f80fd68a0ceb3648b2500171cfe8c26933b4074e4a2f7107cc2f6039a2a27342ab972df7c1837c2f07e06d34ed251a2b7d8ecb023c3832

Download Submit
\Users\Admin\AppData\Local\Temp\nsj9C80.tmp\Kxpmsphznchrza.exe

Filesize
11.0MB

MD5
264d227b17689bbd1f3d71ad6d30b8f0

SHA1
9640ef8319009acf9c508e6ec5e801c466509e46

SHA256
040ffec9135779e63d6e88db71f8a04830f3ebef9665d8d120bc2643b3efab24

SHA512
041039dcfab1889a88f80fd68a0ceb3648b2500171cfe8c26933b4074e4a2f7107cc2f6039a2a27342ab972df7c1837c2f07e06d34ed251a2b7d8ecb023c3832

Download Submit
\Users\Admin\AppData\Local\Temp\nsj9C80.tmp\Kxpmsphznchrza.exe

Filesize
11.0MB

MD5
264d227b17689bbd1f3d71ad6d30b8f0

SHA1
9640ef8319009acf9c508e6ec5e801c466509e46

SHA256
040ffec9135779e63d6e88db71f8a04830f3ebef9665d8d120bc2643b3efab24

SHA512
041039dcfab1889a88f80fd68a0ceb3648b2500171cfe8c26933b4074e4a2f7107cc2f6039a2a27342ab972df7c1837c2f07e06d34ed251a2b7d8ecb023c3832

Download Submit
\Users\Admin\AppData\Local\Temp\nsj9C80.tmp\Kxpmsphznchrza.exe

Filesize
11.0MB

MD5
264d227b17689bbd1f3d71ad6d30b8f0

SHA1
9640ef8319009acf9c508e6ec5e801c466509e46

SHA256
040ffec9135779e63d6e88db71f8a04830f3ebef9665d8d120bc2643b3efab24

SHA512
041039dcfab1889a88f80fd68a0ceb3648b2500171cfe8c26933b4074e4a2f7107cc2f6039a2a27342ab972df7c1837c2f07e06d34ed251a2b7d8ecb023c3832

Download Submit
\Users\Admin\AppData\Local\Temp\nsj9C80.tmp\Kxpmsphznchrza.exe

Filesize
11.0MB

MD5
264d227b17689bbd1f3d71ad6d30b8f0

SHA1
9640ef8319009acf9c508e6ec5e801c466509e46

SHA256
040ffec9135779e63d6e88db71f8a04830f3ebef9665d8d120bc2643b3efab24

SHA512
041039dcfab1889a88f80fd68a0ceb3648b2500171cfe8c26933b4074e4a2f7107cc2f6039a2a27342ab972df7c1837c2f07e06d34ed251a2b7d8ecb023c3832

Download Submit
\Users\Admin\AppData\Local\Temp\nsj9C80.tmp\StdUtils.dll

Filesize
14KB

MD5
21010df9bc37daffcc0b5ae190381d85

SHA1
a8ba022aafc1233894db29e40e569dfc8b280eb9

SHA256
0ebd62de633fa108cf18139be6778fa560680f9f8a755e41c6ab544ab8db5c16

SHA512
95d3dbba6eac144260d5fcc7fcd5fb3afcb59ae62bd2eafc5a1d2190e9b44f8e125290d62fef82ad8799d0072997c57b2fa8a643aba554d0a82bbd3f8eb1403e

Download Submit
\Users\Admin\AppData\Local\Temp\nsj9C80.tmp\System.dll

Filesize
11KB

MD5
00a0194c20ee912257df53bfe258ee4a

SHA1
d7b4e319bc5119024690dc8230b9cc919b1b86b2

SHA256
dc4da2ccadb11099076926b02764b2b44ad8f97cd32337421a4cc21a3f5448f3

SHA512
3b38a2c17996c3b77ebf7b858a6c37415615e756792132878d8eddbd13cb06710b7da0e8b58104768f8e475fc93e8b44b3b1ab6f70ddf52edee111aaf5ef5667

Download Submit
\Users\Admin\AppData\Local\Temp\nsj9C80.tmp\WrapperUtils.dll

Filesize
57KB

MD5
047659e4c26a878c461f122dad741b24

SHA1
7a9dc7e8eff89d80771a4e42311ac2dcb92fb013

SHA256
cb4719f4f5009f3a0a5cf405855cf5668dd4d554b534470e4d437775e156f002

SHA512
324a624771e4edaf5b32bb8fdc2a68d4777517d3739e2fc4a46ba8c5b46c5871f2fbf6f1619225100de7ac4d72fb84537f789ee8ed82d19df84540520d152067

Download Submit
\Users\Admin\AppData\Local\Temp\nsoF98E.tmp\InstallerUtils.dll

Filesize
798KB

MD5
4ef66e4c6484fe2bbec94aebf2c70e86

SHA1
2fef4e3b1c209bfeb45db55bf8e18514d88e84ec

SHA256
61b7ad6f0e0e56332a5ad2d09b2a39e02376baff130d2ec387c499128ba71402

SHA512
c56c6f1f9f82aefee2620d6fbd4eac1912ab81e3e4813818498f2c105d20bc43ef007b895ff4a5b45a63024d331c24aca098e6d0afd60a1fabf052a91db98b03

Download Submit
\Users\Admin\AppData\Local\Temp\nsoF98E.tmp\InstallerUtils.dll

Filesize
798KB

MD5
4ef66e4c6484fe2bbec94aebf2c70e86

SHA1
2fef4e3b1c209bfeb45db55bf8e18514d88e84ec

SHA256
61b7ad6f0e0e56332a5ad2d09b2a39e02376baff130d2ec387c499128ba71402

SHA512
c56c6f1f9f82aefee2620d6fbd4eac1912ab81e3e4813818498f2c105d20bc43ef007b895ff4a5b45a63024d331c24aca098e6d0afd60a1fabf052a91db98b03

Download Submit
\Users\Admin\AppData\Local\Temp\nsoF98E.tmp\InstallerUtils.dll

Filesize
798KB

MD5
4ef66e4c6484fe2bbec94aebf2c70e86

SHA1
2fef4e3b1c209bfeb45db55bf8e18514d88e84ec

SHA256
61b7ad6f0e0e56332a5ad2d09b2a39e02376baff130d2ec387c499128ba71402

SHA512
c56c6f1f9f82aefee2620d6fbd4eac1912ab81e3e4813818498f2c105d20bc43ef007b895ff4a5b45a63024d331c24aca098e6d0afd60a1fabf052a91db98b03

Download Submit
\Users\Admin\AppData\Local\Temp\nsoF98E.tmp\InstallerUtils.dll

Filesize
798KB

MD5
4ef66e4c6484fe2bbec94aebf2c70e86

SHA1
2fef4e3b1c209bfeb45db55bf8e18514d88e84ec

SHA256
61b7ad6f0e0e56332a5ad2d09b2a39e02376baff130d2ec387c499128ba71402

SHA512
c56c6f1f9f82aefee2620d6fbd4eac1912ab81e3e4813818498f2c105d20bc43ef007b895ff4a5b45a63024d331c24aca098e6d0afd60a1fabf052a91db98b03

Download Submit
\Users\Admin\AppData\Local\Temp\nsoF98E.tmp\InstallerUtils.dll

Filesize
798KB

MD5
4ef66e4c6484fe2bbec94aebf2c70e86

SHA1
2fef4e3b1c209bfeb45db55bf8e18514d88e84ec

SHA256
61b7ad6f0e0e56332a5ad2d09b2a39e02376baff130d2ec387c499128ba71402

SHA512
c56c6f1f9f82aefee2620d6fbd4eac1912ab81e3e4813818498f2c105d20bc43ef007b895ff4a5b45a63024d331c24aca098e6d0afd60a1fabf052a91db98b03

Download Submit
\Users\Admin\AppData\Local\Temp\nsoF98E.tmp\InstallerUtils.dll

Filesize
798KB

MD5
4ef66e4c6484fe2bbec94aebf2c70e86

SHA1
2fef4e3b1c209bfeb45db55bf8e18514d88e84ec

SHA256
61b7ad6f0e0e56332a5ad2d09b2a39e02376baff130d2ec387c499128ba71402

SHA512
c56c6f1f9f82aefee2620d6fbd4eac1912ab81e3e4813818498f2c105d20bc43ef007b895ff4a5b45a63024d331c24aca098e6d0afd60a1fabf052a91db98b03

Download Submit
\Users\Admin\AppData\Local\Temp\nsoF98E.tmp\InstallerUtils2.dll

Filesize
92KB

MD5
5196f94057d153974d5415dc1816a46c

SHA1
af7c5711dc748e132b5d02d5c154833c693f8544

SHA256
6f9c43df5867e42fb3b05b37a92a10f811edca203d1c548d92a667838824743d

SHA512
331ecfcba6264408b12e3e8821961a9bdb09e1800caabeb9aaac0dca4811e17361079b38b7312140744111c0f6be88ee3bea186e37f1164e33fb0f3cb8014a6b

Download Submit
\Users\Admin\AppData\Local\Temp\nsoF98E.tmp\StdUtils.dll

Filesize
14KB

MD5
21010df9bc37daffcc0b5ae190381d85

SHA1
a8ba022aafc1233894db29e40e569dfc8b280eb9

SHA256
0ebd62de633fa108cf18139be6778fa560680f9f8a755e41c6ab544ab8db5c16

SHA512
95d3dbba6eac144260d5fcc7fcd5fb3afcb59ae62bd2eafc5a1d2190e9b44f8e125290d62fef82ad8799d0072997c57b2fa8a643aba554d0a82bbd3f8eb1403e

Download Submit
\Users\Admin\AppData\Local\Temp\nsoF98E.tmp\System.dll

Filesize
11KB

MD5
00a0194c20ee912257df53bfe258ee4a

SHA1
d7b4e319bc5119024690dc8230b9cc919b1b86b2

SHA256
dc4da2ccadb11099076926b02764b2b44ad8f97cd32337421a4cc21a3f5448f3

SHA512
3b38a2c17996c3b77ebf7b858a6c37415615e756792132878d8eddbd13cb06710b7da0e8b58104768f8e475fc93e8b44b3b1ab6f70ddf52edee111aaf5ef5667

Download Submit
\Users\Admin\AppData\Local\Temp\nsoF98E.tmp\UserInfo.dll

Filesize
4KB

MD5
7579ade7ae1747a31960a228ce02e666

SHA1
8ec8571a296737e819dcf86353a43fcf8ec63351

SHA256
564c80dec62d76c53497c40094db360ff8a36e0dc1bda8383d0f9583138997f5

SHA512
a88bc56e938374c333b0e33cb72951635b5d5a98b9cb2d6785073cbcad23bf4c0f9f69d3b7e87b46c76eb03ced9bb786844ce87656a9e3df4ca24acf43d7a05b

Download Submit
\Users\Admin\AppData\Local\Temp\nsoF98E.tmp\md5dll.dll

Filesize
6KB

MD5
0745ff646f5af1f1cdd784c06f40fce9

SHA1
bf7eba06020d7154ce4e35f696bec6e6c966287f

SHA256
fbed2f1160469f42ce97c33ad558201b2b43e3020257f9b2259e3ce295317a70

SHA512
8d31627c719e788b5d0f5f34d4cb175989eaa35aa3335c98f2ba7902c8ae01b23de3ccb9c6eb95945f0b08ef74d456f9f22ca7539df303e1df3f6a7e67b358da

Download Submit
\Users\Admin\AppData\Local\Temp\nsoF98E.tmp\md5dll.dll

Filesize
6KB

MD5
0745ff646f5af1f1cdd784c06f40fce9

SHA1
bf7eba06020d7154ce4e35f696bec6e6c966287f

SHA256
fbed2f1160469f42ce97c33ad558201b2b43e3020257f9b2259e3ce295317a70

SHA512
8d31627c719e788b5d0f5f34d4cb175989eaa35aa3335c98f2ba7902c8ae01b23de3ccb9c6eb95945f0b08ef74d456f9f22ca7539df303e1df3f6a7e67b358da

Download Submit
\Users\Admin\AppData\Local\Temp\nsoF98E.tmp\nsisos.dll

Filesize
5KB

MD5
69806691d649ef1c8703fd9e29231d44

SHA1
e2193fcf5b4863605eec2a5eb17bf84c7ac00166

SHA256
ba79ab7f63f02ed5d5d46b82b11d97dac5b7ef7e9b9a4df926b43ceac18483b6

SHA512
5e5e0319e701d15134a01cb6472c624e271e99891058aef4dfe779c29c73899771a5b6f8b1cd61b543a3b3defeaecaa080c9cc4e76e84038ca08e12084f128eb

Download Submit
memory/464-76-0x0000000001290000-0x0000000001299000-memory.dmp

Filesize
36KB

Download
memory/464-75-0x0000000001290000-0x0000000001299000-memory.dmp

Filesize
36KB

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memory/464-59-0x0000000000000000-mapping.dmp

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memory/464-84-0x0000000001290000-0x0000000001299000-memory.dmp

Filesize
36KB

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memory/464-85-0x0000000001290000-0x0000000001299000-memory.dmp

Filesize
36KB

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memory/932-77-0x0000000000000000-mapping.dmp

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memory/1756-54-0x0000000075531000-0x0000000075533000-memory.dmp

Filesize
8KB

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