6fd18cd682f30d43314ed705b721a331aea31e2e840d90848e69c7b93d997f9f

Analysis

max time kernel
100s
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 09:35

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General

Target

6fd18cd682f30d43314ed705b721a331aea31e2e840d90848e69c7b93d997f9f.exe
Size

8.7MB
MD5

8a3f48c01dbf6556485cfcdb258dbc2a
SHA1

5af063830f5de3301a8fe39f09d25913f922dc08
SHA256

6fd18cd682f30d43314ed705b721a331aea31e2e840d90848e69c7b93d997f9f
SHA512

0e37c19ed3c7def4984e7adf618dee8687baf145093b3add2ec514e05809c6bdc649b8f29cfe17197cc491d74af73cb1cca46722ca9aa366afe03a5d2114baeb
SSDEEP

196608:CIim+Oq7rQkdqmINztsOJhA6eQLw5q1hUNmbUGyzGo/ando6:gm+OqQnNztrerq1h3b+xCdo

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\nst5C17.tmp\md5dll.dll	acprotect
\Users\Admin\AppData\Local\Temp\nst5C17.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:

Ygcot.exe

pid process

2028 Ygcot.exe

pid	process
2028	Ygcot.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\nst5C17.tmp\md5dll.dll	upx
\Users\Admin\AppData\Local\Temp\nst5C17.tmp\md5dll.dll	upx

Loads dropped DLL 22 IoCs

Processes:

6fd18cd682f30d43314ed705b721a331aea31e2e840d90848e69c7b93d997f9f.exeYgcot.exeWerFault.exe

pid	process
1808	6fd18cd682f30d43314ed705b721a331aea31e2e840d90848e69c7b93d997f9f.exe
1808	6fd18cd682f30d43314ed705b721a331aea31e2e840d90848e69c7b93d997f9f.exe
1808	6fd18cd682f30d43314ed705b721a331aea31e2e840d90848e69c7b93d997f9f.exe
1808	6fd18cd682f30d43314ed705b721a331aea31e2e840d90848e69c7b93d997f9f.exe
2028	Ygcot.exe
2028	Ygcot.exe
2028	Ygcot.exe
2028	Ygcot.exe
2028	Ygcot.exe
2028	Ygcot.exe
2028	Ygcot.exe
2028	Ygcot.exe
2028	Ygcot.exe
2028	Ygcot.exe
2028	Ygcot.exe
2028	Ygcot.exe
1756	WerFault.exe
1756	WerFault.exe
1756	WerFault.exe
1756	WerFault.exe
1756	WerFault.exe
1756	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

1756 2028 WerFault.exe Ygcot.exe

pid	pid_target	process	target process
1756	2028	WerFault.exe	Ygcot.exe

NSIS installer 8 IoCs

installer

Processes:

resource	yara_rule
\Users\Admin\AppData\Local\Temp\nsjB9C1.tmp\Ygcot.exe	nsis_installer_2
C:\Users\Admin\AppData\Local\Temp\nsjB9C1.tmp\Ygcot.exe	nsis_installer_2
C:\Users\Admin\AppData\Local\Temp\nsjB9C1.tmp\Ygcot.exe	nsis_installer_2
\Users\Admin\AppData\Local\Temp\nsjB9C1.tmp\Ygcot.exe	nsis_installer_2
\Users\Admin\AppData\Local\Temp\nsjB9C1.tmp\Ygcot.exe	nsis_installer_2
\Users\Admin\AppData\Local\Temp\nsjB9C1.tmp\Ygcot.exe	nsis_installer_2
\Users\Admin\AppData\Local\Temp\nsjB9C1.tmp\Ygcot.exe	nsis_installer_2
\Users\Admin\AppData\Local\Temp\nsjB9C1.tmp\Ygcot.exe	nsis_installer_2

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

Ygcot.exe

pid process

2028 Ygcot.exe
2028 Ygcot.exe

pid	process
2028	Ygcot.exe
2028	Ygcot.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

6fd18cd682f30d43314ed705b721a331aea31e2e840d90848e69c7b93d997f9f.exeYgcot.exe

description	pid	process	target process
PID 1808 wrote to memory of 2028	1808	6fd18cd682f30d43314ed705b721a331aea31e2e840d90848e69c7b93d997f9f.exe	Ygcot.exe
PID 1808 wrote to memory of 2028	1808	6fd18cd682f30d43314ed705b721a331aea31e2e840d90848e69c7b93d997f9f.exe	Ygcot.exe
PID 1808 wrote to memory of 2028	1808	6fd18cd682f30d43314ed705b721a331aea31e2e840d90848e69c7b93d997f9f.exe	Ygcot.exe
PID 1808 wrote to memory of 2028	1808	6fd18cd682f30d43314ed705b721a331aea31e2e840d90848e69c7b93d997f9f.exe	Ygcot.exe
PID 2028 wrote to memory of 1756	2028	Ygcot.exe	WerFault.exe
PID 2028 wrote to memory of 1756	2028	Ygcot.exe	WerFault.exe
PID 2028 wrote to memory of 1756	2028	Ygcot.exe	WerFault.exe
PID 2028 wrote to memory of 1756	2028	Ygcot.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\6fd18cd682f30d43314ed705b721a331aea31e2e840d90848e69c7b93d997f9f.exe
"C:\Users\Admin\AppData\Local\Temp\6fd18cd682f30d43314ed705b721a331aea31e2e840d90848e69c7b93d997f9f.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1808

C:\Users\Admin\AppData\Local\Temp\nsjB9C1.tmp\Ygcot.exe
"C:\Users\Admin\AppData\Local\Temp\nsjB9C1.tmp\Ygcot.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2028

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2028 -s 568
3⤵
- Loads dropped DLL
- Program crash
PID:1756

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\nsjB9C1.tmp\Ygcot.exe
Filesize
8.5MB

MD5
73c369718bb7f881b52609f059bcbc5f

SHA1
eff14701119fb5bf4718a4c0e2afb38796b8a13d

SHA256
d262945f8ab0def0041f43df926d41d0c88040ce333d46c8d03c838db113e264

SHA512
271905d3192adbbd55d0172b853cfdb8f3acde8c491d1e240a903784d5f810163bff84a1e764b71a895d49fec81bdb88ea3190cd782d03e0955e74c1e960d6e1

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsjB9C1.tmp\Ygcot.exe
Filesize
8.5MB

MD5
73c369718bb7f881b52609f059bcbc5f

SHA1
eff14701119fb5bf4718a4c0e2afb38796b8a13d

SHA256
d262945f8ab0def0041f43df926d41d0c88040ce333d46c8d03c838db113e264

SHA512
271905d3192adbbd55d0172b853cfdb8f3acde8c491d1e240a903784d5f810163bff84a1e764b71a895d49fec81bdb88ea3190cd782d03e0955e74c1e960d6e1

Download Submit
\Users\Admin\AppData\Local\Temp\nsjB9C1.tmp\StdUtils.dll
Filesize
14KB

MD5
21010df9bc37daffcc0b5ae190381d85

SHA1
a8ba022aafc1233894db29e40e569dfc8b280eb9

SHA256
0ebd62de633fa108cf18139be6778fa560680f9f8a755e41c6ab544ab8db5c16

SHA512
95d3dbba6eac144260d5fcc7fcd5fb3afcb59ae62bd2eafc5a1d2190e9b44f8e125290d62fef82ad8799d0072997c57b2fa8a643aba554d0a82bbd3f8eb1403e

Download Submit
\Users\Admin\AppData\Local\Temp\nsjB9C1.tmp\System.dll
Filesize
11KB

MD5
00a0194c20ee912257df53bfe258ee4a

SHA1
d7b4e319bc5119024690dc8230b9cc919b1b86b2

SHA256
dc4da2ccadb11099076926b02764b2b44ad8f97cd32337421a4cc21a3f5448f3

SHA512
3b38a2c17996c3b77ebf7b858a6c37415615e756792132878d8eddbd13cb06710b7da0e8b58104768f8e475fc93e8b44b3b1ab6f70ddf52edee111aaf5ef5667

Download Submit
\Users\Admin\AppData\Local\Temp\nsjB9C1.tmp\WrapperUtils.dll
Filesize
57KB

MD5
c4fd010850fca98b91b2b1f69adc5dbe

SHA1
0df941edfde65d932d0a8f71bb2a7636dc8f5a5c

SHA256
8a13565385d19f7667518aad4c783671060957f1ca614f590f738e31e8c59ae1

SHA512
9cb39d0cb3581a6c8387b933030e12c83388a54605fa7cf185f79486da58d96a02ed7cdd97a72d3fd3a01a742d964e69b306f90a57c2d2e4eddfc451cf85efb4

Download Submit
\Users\Admin\AppData\Local\Temp\nsjB9C1.tmp\Ygcot.exe
Filesize
8.5MB

MD5
73c369718bb7f881b52609f059bcbc5f

SHA1
eff14701119fb5bf4718a4c0e2afb38796b8a13d

SHA256
d262945f8ab0def0041f43df926d41d0c88040ce333d46c8d03c838db113e264

SHA512
271905d3192adbbd55d0172b853cfdb8f3acde8c491d1e240a903784d5f810163bff84a1e764b71a895d49fec81bdb88ea3190cd782d03e0955e74c1e960d6e1

Download Submit
\Users\Admin\AppData\Local\Temp\nsjB9C1.tmp\Ygcot.exe
Filesize
8.5MB

MD5
73c369718bb7f881b52609f059bcbc5f

SHA1
eff14701119fb5bf4718a4c0e2afb38796b8a13d

SHA256
d262945f8ab0def0041f43df926d41d0c88040ce333d46c8d03c838db113e264

SHA512
271905d3192adbbd55d0172b853cfdb8f3acde8c491d1e240a903784d5f810163bff84a1e764b71a895d49fec81bdb88ea3190cd782d03e0955e74c1e960d6e1

Download Submit
\Users\Admin\AppData\Local\Temp\nsjB9C1.tmp\Ygcot.exe
Filesize
8.5MB

MD5
73c369718bb7f881b52609f059bcbc5f

SHA1
eff14701119fb5bf4718a4c0e2afb38796b8a13d

SHA256
d262945f8ab0def0041f43df926d41d0c88040ce333d46c8d03c838db113e264

SHA512
271905d3192adbbd55d0172b853cfdb8f3acde8c491d1e240a903784d5f810163bff84a1e764b71a895d49fec81bdb88ea3190cd782d03e0955e74c1e960d6e1

Download Submit
\Users\Admin\AppData\Local\Temp\nsjB9C1.tmp\Ygcot.exe
Filesize
8.5MB

MD5
73c369718bb7f881b52609f059bcbc5f

SHA1
eff14701119fb5bf4718a4c0e2afb38796b8a13d

SHA256
d262945f8ab0def0041f43df926d41d0c88040ce333d46c8d03c838db113e264

SHA512
271905d3192adbbd55d0172b853cfdb8f3acde8c491d1e240a903784d5f810163bff84a1e764b71a895d49fec81bdb88ea3190cd782d03e0955e74c1e960d6e1

Download Submit
\Users\Admin\AppData\Local\Temp\nsjB9C1.tmp\Ygcot.exe
Filesize
8.5MB

MD5
73c369718bb7f881b52609f059bcbc5f

SHA1
eff14701119fb5bf4718a4c0e2afb38796b8a13d

SHA256
d262945f8ab0def0041f43df926d41d0c88040ce333d46c8d03c838db113e264

SHA512
271905d3192adbbd55d0172b853cfdb8f3acde8c491d1e240a903784d5f810163bff84a1e764b71a895d49fec81bdb88ea3190cd782d03e0955e74c1e960d6e1

Download Submit
\Users\Admin\AppData\Local\Temp\nsjB9C1.tmp\Ygcot.exe
Filesize
8.5MB

MD5
73c369718bb7f881b52609f059bcbc5f

SHA1
eff14701119fb5bf4718a4c0e2afb38796b8a13d

SHA256
d262945f8ab0def0041f43df926d41d0c88040ce333d46c8d03c838db113e264

SHA512
271905d3192adbbd55d0172b853cfdb8f3acde8c491d1e240a903784d5f810163bff84a1e764b71a895d49fec81bdb88ea3190cd782d03e0955e74c1e960d6e1

Download Submit
\Users\Admin\AppData\Local\Temp\nst5C17.tmp\InstallerUtils.dll
Filesize
814KB

MD5
584d5b6f692345dac2168c440d107daa

SHA1
792942db9c2d21da8f7168e65bdf710b39246ea5

SHA256
c7f380db9aca89166465aeee5b6c2356665e59c9b65e2445df7d7c07db3f3d6e

SHA512
ac71f6ae0ed7493f87ac50314215b68d7b0a237a5aca077d651855475e1313c9755f178007e0a33bd52dad35e618eb2e932ea011e9e0c28e144dbb059ebaf22b

Download Submit
\Users\Admin\AppData\Local\Temp\nst5C17.tmp\InstallerUtils.dll
Filesize
814KB

MD5
584d5b6f692345dac2168c440d107daa

SHA1
792942db9c2d21da8f7168e65bdf710b39246ea5

SHA256
c7f380db9aca89166465aeee5b6c2356665e59c9b65e2445df7d7c07db3f3d6e

SHA512
ac71f6ae0ed7493f87ac50314215b68d7b0a237a5aca077d651855475e1313c9755f178007e0a33bd52dad35e618eb2e932ea011e9e0c28e144dbb059ebaf22b

Download Submit
\Users\Admin\AppData\Local\Temp\nst5C17.tmp\InstallerUtils.dll
Filesize
814KB

MD5
584d5b6f692345dac2168c440d107daa

SHA1
792942db9c2d21da8f7168e65bdf710b39246ea5

SHA256
c7f380db9aca89166465aeee5b6c2356665e59c9b65e2445df7d7c07db3f3d6e

SHA512
ac71f6ae0ed7493f87ac50314215b68d7b0a237a5aca077d651855475e1313c9755f178007e0a33bd52dad35e618eb2e932ea011e9e0c28e144dbb059ebaf22b

Download Submit
\Users\Admin\AppData\Local\Temp\nst5C17.tmp\InstallerUtils.dll
Filesize
814KB

MD5
584d5b6f692345dac2168c440d107daa

SHA1
792942db9c2d21da8f7168e65bdf710b39246ea5

SHA256
c7f380db9aca89166465aeee5b6c2356665e59c9b65e2445df7d7c07db3f3d6e

SHA512
ac71f6ae0ed7493f87ac50314215b68d7b0a237a5aca077d651855475e1313c9755f178007e0a33bd52dad35e618eb2e932ea011e9e0c28e144dbb059ebaf22b

Download Submit
\Users\Admin\AppData\Local\Temp\nst5C17.tmp\InstallerUtils.dll
Filesize
814KB

MD5
584d5b6f692345dac2168c440d107daa

SHA1
792942db9c2d21da8f7168e65bdf710b39246ea5

SHA256
c7f380db9aca89166465aeee5b6c2356665e59c9b65e2445df7d7c07db3f3d6e

SHA512
ac71f6ae0ed7493f87ac50314215b68d7b0a237a5aca077d651855475e1313c9755f178007e0a33bd52dad35e618eb2e932ea011e9e0c28e144dbb059ebaf22b

Download Submit
\Users\Admin\AppData\Local\Temp\nst5C17.tmp\InstallerUtils.dll
Filesize
814KB

MD5
584d5b6f692345dac2168c440d107daa

SHA1
792942db9c2d21da8f7168e65bdf710b39246ea5

SHA256
c7f380db9aca89166465aeee5b6c2356665e59c9b65e2445df7d7c07db3f3d6e

SHA512
ac71f6ae0ed7493f87ac50314215b68d7b0a237a5aca077d651855475e1313c9755f178007e0a33bd52dad35e618eb2e932ea011e9e0c28e144dbb059ebaf22b

Download Submit
\Users\Admin\AppData\Local\Temp\nst5C17.tmp\InstallerUtils2.dll
Filesize
108KB

MD5
7fffa08344b3e25874d86057e8717a74

SHA1
12d010c410ef0dfe7b380ad9abdc37cb2e5b7058

SHA256
a765a55440e25c028f5014649acd121d44248bbc48adfedf31e2388efa7eb8a7

SHA512
0d4e86f8296e05728d7b6693dd898e899e57e0e5cac00d1cd555301e6256ff577d28438ba8c2f51521eefa574269ba5101ade63ac4f2f04e68f2b9c6870c469d

Download Submit
\Users\Admin\AppData\Local\Temp\nst5C17.tmp\StdUtils.dll
Filesize
14KB

MD5
21010df9bc37daffcc0b5ae190381d85

SHA1
a8ba022aafc1233894db29e40e569dfc8b280eb9

SHA256
0ebd62de633fa108cf18139be6778fa560680f9f8a755e41c6ab544ab8db5c16

SHA512
95d3dbba6eac144260d5fcc7fcd5fb3afcb59ae62bd2eafc5a1d2190e9b44f8e125290d62fef82ad8799d0072997c57b2fa8a643aba554d0a82bbd3f8eb1403e

Download Submit
\Users\Admin\AppData\Local\Temp\nst5C17.tmp\System.dll
Filesize
11KB

MD5
00a0194c20ee912257df53bfe258ee4a

SHA1
d7b4e319bc5119024690dc8230b9cc919b1b86b2

SHA256
dc4da2ccadb11099076926b02764b2b44ad8f97cd32337421a4cc21a3f5448f3

SHA512
3b38a2c17996c3b77ebf7b858a6c37415615e756792132878d8eddbd13cb06710b7da0e8b58104768f8e475fc93e8b44b3b1ab6f70ddf52edee111aaf5ef5667

Download Submit
\Users\Admin\AppData\Local\Temp\nst5C17.tmp\UserInfo.dll
Filesize
4KB

MD5
7579ade7ae1747a31960a228ce02e666

SHA1
8ec8571a296737e819dcf86353a43fcf8ec63351

SHA256
564c80dec62d76c53497c40094db360ff8a36e0dc1bda8383d0f9583138997f5

SHA512
a88bc56e938374c333b0e33cb72951635b5d5a98b9cb2d6785073cbcad23bf4c0f9f69d3b7e87b46c76eb03ced9bb786844ce87656a9e3df4ca24acf43d7a05b

Download Submit
\Users\Admin\AppData\Local\Temp\nst5C17.tmp\md5dll.dll
Filesize
6KB

MD5
0745ff646f5af1f1cdd784c06f40fce9

SHA1
bf7eba06020d7154ce4e35f696bec6e6c966287f

SHA256
fbed2f1160469f42ce97c33ad558201b2b43e3020257f9b2259e3ce295317a70

SHA512
8d31627c719e788b5d0f5f34d4cb175989eaa35aa3335c98f2ba7902c8ae01b23de3ccb9c6eb95945f0b08ef74d456f9f22ca7539df303e1df3f6a7e67b358da

Download Submit
\Users\Admin\AppData\Local\Temp\nst5C17.tmp\md5dll.dll
Filesize
6KB

MD5
0745ff646f5af1f1cdd784c06f40fce9

SHA1
bf7eba06020d7154ce4e35f696bec6e6c966287f

SHA256
fbed2f1160469f42ce97c33ad558201b2b43e3020257f9b2259e3ce295317a70

SHA512
8d31627c719e788b5d0f5f34d4cb175989eaa35aa3335c98f2ba7902c8ae01b23de3ccb9c6eb95945f0b08ef74d456f9f22ca7539df303e1df3f6a7e67b358da

Download Submit
\Users\Admin\AppData\Local\Temp\nst5C17.tmp\nsisos.dll
Filesize
5KB

MD5
69806691d649ef1c8703fd9e29231d44

SHA1
e2193fcf5b4863605eec2a5eb17bf84c7ac00166

SHA256
ba79ab7f63f02ed5d5d46b82b11d97dac5b7ef7e9b9a4df926b43ceac18483b6

SHA512
5e5e0319e701d15134a01cb6472c624e271e99891058aef4dfe779c29c73899771a5b6f8b1cd61b543a3b3defeaecaa080c9cc4e76e84038ca08e12084f128eb

Download Submit
memory/1756-79-0x0000000000000000-mapping.dmp

Download
memory/1808-54-0x0000000075991000-0x0000000075993000-memory.dmp

Filesize
8KB

Download
memory/2028-76-0x00000000003F0000-0x00000000003F9000-memory.dmp

Filesize
36KB

Download
memory/2028-77-0x00000000003F0000-0x00000000003F9000-memory.dmp

Filesize
36KB

Download
memory/2028-78-0x00000000003F0000-0x00000000003F9000-memory.dmp

Filesize
36KB

Download
memory/2028-75-0x00000000003F0000-0x00000000003F9000-memory.dmp

Filesize
36KB

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memory/2028-59-0x0000000000000000-mapping.dmp

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MITRE ATT&CK Matrix ATT&CK v6

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