d6125b421c88d3fb451b0cb33fdb4eca058283062853c90ba112a949cdaaa77c

Analysis

max time kernel
107s
max time network
31s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
23-11-2022 09:36

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General

Target

d6125b421c88d3fb451b0cb33fdb4eca058283062853c90ba112a949cdaaa77c.exe
Size

9.2MB
MD5

08308bd677933a47aa26ec8ecf946e08
SHA1

6b84c835d1bb8aacbe5cd4ad7339370e606e90ae
SHA256

d6125b421c88d3fb451b0cb33fdb4eca058283062853c90ba112a949cdaaa77c
SHA512

e7f887ccf007b627e0fbf4d10418b0d1bd628a94b5086b86272a16291a52452ede4571d6d275b13e7ab5fc8467a81981daacc215cc0fa66c47eb2b5acef0f4b0
SSDEEP

196608:9dfptKSonTim2epA8Frghl2xPGsrXlQybhzqbh8kxwyKcp5OiBSWXacxE:rTKSonOZeSugz2xBXlQycCkNKY5O6S/F

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\nsp4D97.tmp\md5dll.dll	acprotect
\Users\Admin\AppData\Local\Temp\nsp4D97.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:

Gvhbsb.exe

pid process

1192 Gvhbsb.exe

pid	process
1192	Gvhbsb.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\nsp4D97.tmp\md5dll.dll	upx
\Users\Admin\AppData\Local\Temp\nsp4D97.tmp\md5dll.dll	upx

Loads dropped DLL 22 IoCs

Processes:

d6125b421c88d3fb451b0cb33fdb4eca058283062853c90ba112a949cdaaa77c.exeGvhbsb.exeWerFault.exe

pid	process
1308	d6125b421c88d3fb451b0cb33fdb4eca058283062853c90ba112a949cdaaa77c.exe
1308	d6125b421c88d3fb451b0cb33fdb4eca058283062853c90ba112a949cdaaa77c.exe
1308	d6125b421c88d3fb451b0cb33fdb4eca058283062853c90ba112a949cdaaa77c.exe
1308	d6125b421c88d3fb451b0cb33fdb4eca058283062853c90ba112a949cdaaa77c.exe
1192	Gvhbsb.exe
1192	Gvhbsb.exe
1192	Gvhbsb.exe
1192	Gvhbsb.exe
1192	Gvhbsb.exe
1192	Gvhbsb.exe
1192	Gvhbsb.exe
1192	Gvhbsb.exe
1192	Gvhbsb.exe
1192	Gvhbsb.exe
1192	Gvhbsb.exe
1192	Gvhbsb.exe
1576	WerFault.exe
1576	WerFault.exe
1576	WerFault.exe
1576	WerFault.exe
1576	WerFault.exe
1576	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

1576 1192 WerFault.exe Gvhbsb.exe

pid	pid_target	process	target process
1576	1192	WerFault.exe	Gvhbsb.exe

NSIS installer 8 IoCs

installer

Processes:

resource	yara_rule
\Users\Admin\AppData\Local\Temp\nsz89EA.tmp\Gvhbsb.exe	nsis_installer_2
C:\Users\Admin\AppData\Local\Temp\nsz89EA.tmp\Gvhbsb.exe	nsis_installer_2
C:\Users\Admin\AppData\Local\Temp\nsz89EA.tmp\Gvhbsb.exe	nsis_installer_2
\Users\Admin\AppData\Local\Temp\nsz89EA.tmp\Gvhbsb.exe	nsis_installer_2
\Users\Admin\AppData\Local\Temp\nsz89EA.tmp\Gvhbsb.exe	nsis_installer_2
\Users\Admin\AppData\Local\Temp\nsz89EA.tmp\Gvhbsb.exe	nsis_installer_2
\Users\Admin\AppData\Local\Temp\nsz89EA.tmp\Gvhbsb.exe	nsis_installer_2
\Users\Admin\AppData\Local\Temp\nsz89EA.tmp\Gvhbsb.exe	nsis_installer_2

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

Gvhbsb.exe

pid process

1192 Gvhbsb.exe
1192 Gvhbsb.exe

pid	process
1192	Gvhbsb.exe
1192	Gvhbsb.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

d6125b421c88d3fb451b0cb33fdb4eca058283062853c90ba112a949cdaaa77c.exeGvhbsb.exe

description	pid	process	target process
PID 1308 wrote to memory of 1192	1308	d6125b421c88d3fb451b0cb33fdb4eca058283062853c90ba112a949cdaaa77c.exe	Gvhbsb.exe
PID 1308 wrote to memory of 1192	1308	d6125b421c88d3fb451b0cb33fdb4eca058283062853c90ba112a949cdaaa77c.exe	Gvhbsb.exe
PID 1308 wrote to memory of 1192	1308	d6125b421c88d3fb451b0cb33fdb4eca058283062853c90ba112a949cdaaa77c.exe	Gvhbsb.exe
PID 1308 wrote to memory of 1192	1308	d6125b421c88d3fb451b0cb33fdb4eca058283062853c90ba112a949cdaaa77c.exe	Gvhbsb.exe
PID 1192 wrote to memory of 1576	1192	Gvhbsb.exe	WerFault.exe
PID 1192 wrote to memory of 1576	1192	Gvhbsb.exe	WerFault.exe
PID 1192 wrote to memory of 1576	1192	Gvhbsb.exe	WerFault.exe
PID 1192 wrote to memory of 1576	1192	Gvhbsb.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\d6125b421c88d3fb451b0cb33fdb4eca058283062853c90ba112a949cdaaa77c.exe
"C:\Users\Admin\AppData\Local\Temp\d6125b421c88d3fb451b0cb33fdb4eca058283062853c90ba112a949cdaaa77c.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1308

C:\Users\Admin\AppData\Local\Temp\nsz89EA.tmp\Gvhbsb.exe
"C:\Users\Admin\AppData\Local\Temp\nsz89EA.tmp\Gvhbsb.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1192

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1192 -s 576
3⤵
- Loads dropped DLL
- Program crash
PID:1576

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\nsz89EA.tmp\Gvhbsb.exe
Filesize
9.1MB

MD5
7415b6b234417a33f587f5cee7e2019b

SHA1
243ff3f7fadfbf30ef90072b92415b4e592f3498

SHA256
00898b9fd69dd4c8d580284c9f34810da32eb7cf2a9785062931f76c6d7d91ef

SHA512
9f6e81d8b5a83f78aa6bc88c44d0ee5bcd4f3d1da7ddd1d912a5449dc912f53de1d4a42890802d84c4e005f0d71f148716f19cb00952c89f64a58bcfed7bbcea

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsz89EA.tmp\Gvhbsb.exe
Filesize
9.1MB

MD5
7415b6b234417a33f587f5cee7e2019b

SHA1
243ff3f7fadfbf30ef90072b92415b4e592f3498

SHA256
00898b9fd69dd4c8d580284c9f34810da32eb7cf2a9785062931f76c6d7d91ef

SHA512
9f6e81d8b5a83f78aa6bc88c44d0ee5bcd4f3d1da7ddd1d912a5449dc912f53de1d4a42890802d84c4e005f0d71f148716f19cb00952c89f64a58bcfed7bbcea

Download Submit
\Users\Admin\AppData\Local\Temp\nsp4D97.tmp\InstallerUtils.dll
Filesize
798KB

MD5
4e6c66a248de2453a1a27b9386efedd8

SHA1
1b9cfa70dca30e34570994ba4b390f50bbfc0fa2

SHA256
1306edd4ecd14d4ac136879afb2a3c619140821bfc807219cf6bef13447dbb04

SHA512
596d444111de9fbaeba5eabe08a8a6284c2629684a60f391ac5dab335d6d9bbf874375889933afed3425e2aec93975b331ca98fa6540e21e0d27eef863e85241

Download Submit
\Users\Admin\AppData\Local\Temp\nsp4D97.tmp\InstallerUtils.dll
Filesize
798KB

MD5
4e6c66a248de2453a1a27b9386efedd8

SHA1
1b9cfa70dca30e34570994ba4b390f50bbfc0fa2

SHA256
1306edd4ecd14d4ac136879afb2a3c619140821bfc807219cf6bef13447dbb04

SHA512
596d444111de9fbaeba5eabe08a8a6284c2629684a60f391ac5dab335d6d9bbf874375889933afed3425e2aec93975b331ca98fa6540e21e0d27eef863e85241

Download Submit
\Users\Admin\AppData\Local\Temp\nsp4D97.tmp\InstallerUtils.dll
Filesize
798KB

MD5
4e6c66a248de2453a1a27b9386efedd8

SHA1
1b9cfa70dca30e34570994ba4b390f50bbfc0fa2

SHA256
1306edd4ecd14d4ac136879afb2a3c619140821bfc807219cf6bef13447dbb04

SHA512
596d444111de9fbaeba5eabe08a8a6284c2629684a60f391ac5dab335d6d9bbf874375889933afed3425e2aec93975b331ca98fa6540e21e0d27eef863e85241

Download Submit
\Users\Admin\AppData\Local\Temp\nsp4D97.tmp\InstallerUtils.dll
Filesize
798KB

MD5
4e6c66a248de2453a1a27b9386efedd8

SHA1
1b9cfa70dca30e34570994ba4b390f50bbfc0fa2

SHA256
1306edd4ecd14d4ac136879afb2a3c619140821bfc807219cf6bef13447dbb04

SHA512
596d444111de9fbaeba5eabe08a8a6284c2629684a60f391ac5dab335d6d9bbf874375889933afed3425e2aec93975b331ca98fa6540e21e0d27eef863e85241

Download Submit
\Users\Admin\AppData\Local\Temp\nsp4D97.tmp\InstallerUtils.dll
Filesize
798KB

MD5
4e6c66a248de2453a1a27b9386efedd8

SHA1
1b9cfa70dca30e34570994ba4b390f50bbfc0fa2

SHA256
1306edd4ecd14d4ac136879afb2a3c619140821bfc807219cf6bef13447dbb04

SHA512
596d444111de9fbaeba5eabe08a8a6284c2629684a60f391ac5dab335d6d9bbf874375889933afed3425e2aec93975b331ca98fa6540e21e0d27eef863e85241

Download Submit
\Users\Admin\AppData\Local\Temp\nsp4D97.tmp\InstallerUtils.dll
Filesize
798KB

MD5
4e6c66a248de2453a1a27b9386efedd8

SHA1
1b9cfa70dca30e34570994ba4b390f50bbfc0fa2

SHA256
1306edd4ecd14d4ac136879afb2a3c619140821bfc807219cf6bef13447dbb04

SHA512
596d444111de9fbaeba5eabe08a8a6284c2629684a60f391ac5dab335d6d9bbf874375889933afed3425e2aec93975b331ca98fa6540e21e0d27eef863e85241

Download Submit
\Users\Admin\AppData\Local\Temp\nsp4D97.tmp\InstallerUtils2.dll
Filesize
107KB

MD5
902917764f80dba89406c26ce36074bf

SHA1
50c52d5e7723b937a59cfaf0073526f66e694ba3

SHA256
59763bc6131230ba48b8d1c91c07f430b1b80be5b7463316d7a2d531dd5d1025

SHA512
57ae7deb46f843c423e4ccaddbe9f105f15c30ea16797cda262ce7521529cb77a977addfb53d4307aa114e50c29ecface4b436e04d5900224a7808f07ba91e39

Download Submit
\Users\Admin\AppData\Local\Temp\nsp4D97.tmp\StdUtils.dll
Filesize
14KB

MD5
21010df9bc37daffcc0b5ae190381d85

SHA1
a8ba022aafc1233894db29e40e569dfc8b280eb9

SHA256
0ebd62de633fa108cf18139be6778fa560680f9f8a755e41c6ab544ab8db5c16

SHA512
95d3dbba6eac144260d5fcc7fcd5fb3afcb59ae62bd2eafc5a1d2190e9b44f8e125290d62fef82ad8799d0072997c57b2fa8a643aba554d0a82bbd3f8eb1403e

Download Submit
\Users\Admin\AppData\Local\Temp\nsp4D97.tmp\System.dll
Filesize
11KB

MD5
00a0194c20ee912257df53bfe258ee4a

SHA1
d7b4e319bc5119024690dc8230b9cc919b1b86b2

SHA256
dc4da2ccadb11099076926b02764b2b44ad8f97cd32337421a4cc21a3f5448f3

SHA512
3b38a2c17996c3b77ebf7b858a6c37415615e756792132878d8eddbd13cb06710b7da0e8b58104768f8e475fc93e8b44b3b1ab6f70ddf52edee111aaf5ef5667

Download Submit
\Users\Admin\AppData\Local\Temp\nsp4D97.tmp\UserInfo.dll
Filesize
4KB

MD5
7579ade7ae1747a31960a228ce02e666

SHA1
8ec8571a296737e819dcf86353a43fcf8ec63351

SHA256
564c80dec62d76c53497c40094db360ff8a36e0dc1bda8383d0f9583138997f5

SHA512
a88bc56e938374c333b0e33cb72951635b5d5a98b9cb2d6785073cbcad23bf4c0f9f69d3b7e87b46c76eb03ced9bb786844ce87656a9e3df4ca24acf43d7a05b

Download Submit
\Users\Admin\AppData\Local\Temp\nsp4D97.tmp\md5dll.dll
Filesize
6KB

MD5
0745ff646f5af1f1cdd784c06f40fce9

SHA1
bf7eba06020d7154ce4e35f696bec6e6c966287f

SHA256
fbed2f1160469f42ce97c33ad558201b2b43e3020257f9b2259e3ce295317a70

SHA512
8d31627c719e788b5d0f5f34d4cb175989eaa35aa3335c98f2ba7902c8ae01b23de3ccb9c6eb95945f0b08ef74d456f9f22ca7539df303e1df3f6a7e67b358da

Download Submit
\Users\Admin\AppData\Local\Temp\nsp4D97.tmp\md5dll.dll
Filesize
6KB

MD5
0745ff646f5af1f1cdd784c06f40fce9

SHA1
bf7eba06020d7154ce4e35f696bec6e6c966287f

SHA256
fbed2f1160469f42ce97c33ad558201b2b43e3020257f9b2259e3ce295317a70

SHA512
8d31627c719e788b5d0f5f34d4cb175989eaa35aa3335c98f2ba7902c8ae01b23de3ccb9c6eb95945f0b08ef74d456f9f22ca7539df303e1df3f6a7e67b358da

Download Submit
\Users\Admin\AppData\Local\Temp\nsp4D97.tmp\nsisos.dll
Filesize
5KB

MD5
69806691d649ef1c8703fd9e29231d44

SHA1
e2193fcf5b4863605eec2a5eb17bf84c7ac00166

SHA256
ba79ab7f63f02ed5d5d46b82b11d97dac5b7ef7e9b9a4df926b43ceac18483b6

SHA512
5e5e0319e701d15134a01cb6472c624e271e99891058aef4dfe779c29c73899771a5b6f8b1cd61b543a3b3defeaecaa080c9cc4e76e84038ca08e12084f128eb

Download Submit
\Users\Admin\AppData\Local\Temp\nsz89EA.tmp\Gvhbsb.exe
Filesize
9.1MB

MD5
7415b6b234417a33f587f5cee7e2019b

SHA1
243ff3f7fadfbf30ef90072b92415b4e592f3498

SHA256
00898b9fd69dd4c8d580284c9f34810da32eb7cf2a9785062931f76c6d7d91ef

SHA512
9f6e81d8b5a83f78aa6bc88c44d0ee5bcd4f3d1da7ddd1d912a5449dc912f53de1d4a42890802d84c4e005f0d71f148716f19cb00952c89f64a58bcfed7bbcea

Download Submit
\Users\Admin\AppData\Local\Temp\nsz89EA.tmp\Gvhbsb.exe
Filesize
9.1MB

MD5
7415b6b234417a33f587f5cee7e2019b

SHA1
243ff3f7fadfbf30ef90072b92415b4e592f3498

SHA256
00898b9fd69dd4c8d580284c9f34810da32eb7cf2a9785062931f76c6d7d91ef

SHA512
9f6e81d8b5a83f78aa6bc88c44d0ee5bcd4f3d1da7ddd1d912a5449dc912f53de1d4a42890802d84c4e005f0d71f148716f19cb00952c89f64a58bcfed7bbcea

Download Submit
\Users\Admin\AppData\Local\Temp\nsz89EA.tmp\Gvhbsb.exe
Filesize
9.1MB

MD5
7415b6b234417a33f587f5cee7e2019b

SHA1
243ff3f7fadfbf30ef90072b92415b4e592f3498

SHA256
00898b9fd69dd4c8d580284c9f34810da32eb7cf2a9785062931f76c6d7d91ef

SHA512
9f6e81d8b5a83f78aa6bc88c44d0ee5bcd4f3d1da7ddd1d912a5449dc912f53de1d4a42890802d84c4e005f0d71f148716f19cb00952c89f64a58bcfed7bbcea

Download Submit
\Users\Admin\AppData\Local\Temp\nsz89EA.tmp\Gvhbsb.exe
Filesize
9.1MB

MD5
7415b6b234417a33f587f5cee7e2019b

SHA1
243ff3f7fadfbf30ef90072b92415b4e592f3498

SHA256
00898b9fd69dd4c8d580284c9f34810da32eb7cf2a9785062931f76c6d7d91ef

SHA512
9f6e81d8b5a83f78aa6bc88c44d0ee5bcd4f3d1da7ddd1d912a5449dc912f53de1d4a42890802d84c4e005f0d71f148716f19cb00952c89f64a58bcfed7bbcea

Download Submit
\Users\Admin\AppData\Local\Temp\nsz89EA.tmp\Gvhbsb.exe
Filesize
9.1MB

MD5
7415b6b234417a33f587f5cee7e2019b

SHA1
243ff3f7fadfbf30ef90072b92415b4e592f3498

SHA256
00898b9fd69dd4c8d580284c9f34810da32eb7cf2a9785062931f76c6d7d91ef

SHA512
9f6e81d8b5a83f78aa6bc88c44d0ee5bcd4f3d1da7ddd1d912a5449dc912f53de1d4a42890802d84c4e005f0d71f148716f19cb00952c89f64a58bcfed7bbcea

Download Submit
\Users\Admin\AppData\Local\Temp\nsz89EA.tmp\Gvhbsb.exe
Filesize
9.1MB

MD5
7415b6b234417a33f587f5cee7e2019b

SHA1
243ff3f7fadfbf30ef90072b92415b4e592f3498

SHA256
00898b9fd69dd4c8d580284c9f34810da32eb7cf2a9785062931f76c6d7d91ef

SHA512
9f6e81d8b5a83f78aa6bc88c44d0ee5bcd4f3d1da7ddd1d912a5449dc912f53de1d4a42890802d84c4e005f0d71f148716f19cb00952c89f64a58bcfed7bbcea

Download Submit
\Users\Admin\AppData\Local\Temp\nsz89EA.tmp\StdUtils.dll
Filesize
14KB

MD5
21010df9bc37daffcc0b5ae190381d85

SHA1
a8ba022aafc1233894db29e40e569dfc8b280eb9

SHA256
0ebd62de633fa108cf18139be6778fa560680f9f8a755e41c6ab544ab8db5c16

SHA512
95d3dbba6eac144260d5fcc7fcd5fb3afcb59ae62bd2eafc5a1d2190e9b44f8e125290d62fef82ad8799d0072997c57b2fa8a643aba554d0a82bbd3f8eb1403e

Download Submit
\Users\Admin\AppData\Local\Temp\nsz89EA.tmp\System.dll
Filesize
11KB

MD5
00a0194c20ee912257df53bfe258ee4a

SHA1
d7b4e319bc5119024690dc8230b9cc919b1b86b2

SHA256
dc4da2ccadb11099076926b02764b2b44ad8f97cd32337421a4cc21a3f5448f3

SHA512
3b38a2c17996c3b77ebf7b858a6c37415615e756792132878d8eddbd13cb06710b7da0e8b58104768f8e475fc93e8b44b3b1ab6f70ddf52edee111aaf5ef5667

Download Submit
\Users\Admin\AppData\Local\Temp\nsz89EA.tmp\WrapperUtils.dll
Filesize
57KB

MD5
0006cc5475f3e7ed4be05fb80055cf9c

SHA1
6630fd80b5d3becb07c088e5313ccf0f9be87cb3

SHA256
c6eaeb49d7ebbe17912411c71e666e719f61f66f1bd16510a42331b57de6dd88

SHA512
352ef79ef12c5b57b1b35b7b019e0b0798834fd57c8db3a0d7e44fefbae06bfdc59d6b6ebcffbfa76c617abc0d0de758128f13eec9781c6588ab6f63967e3473

Download Submit
memory/1192-76-0x00000000003F0000-0x00000000003F9000-memory.dmp

Filesize
36KB

Download
memory/1192-75-0x00000000003F0000-0x00000000003F9000-memory.dmp

Filesize
36KB

Download
memory/1192-59-0x0000000000000000-mapping.dmp

Download
memory/1192-84-0x00000000003F0000-0x00000000003F9000-memory.dmp

Filesize
36KB

Download
memory/1192-85-0x00000000003F0000-0x00000000003F9000-memory.dmp

Filesize
36KB

Download
memory/1308-54-0x0000000076941000-0x0000000076943000-memory.dmp

Filesize
8KB

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memory/1576-77-0x0000000000000000-mapping.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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