142879fbafd13c294428cdbde2365159e25dd9dfdc2364ddc785d6c8666224c3

Analysis

max time kernel
44s
max time network
47s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
23-11-2022 09:37

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General

Target

142879fbafd13c294428cdbde2365159e25dd9dfdc2364ddc785d6c8666224c3.exe
Size

8.6MB
MD5

b7bfa6f38c0ea47abf1a63522bdb9ba0
SHA1

a7b4f8a541d1964787c31574cd191590d6e426e1
SHA256

142879fbafd13c294428cdbde2365159e25dd9dfdc2364ddc785d6c8666224c3
SHA512

727177aab100236fdb8aed0db0cc54114a8f243b23798726ba4cd170dd466cb73c7a1f1cfa2f3fc00df8ec94d6f7b284c61ed9b3baffa0619e5177b48065eeb0
SSDEEP

196608:FiTlS6KG2ME4IcIeTbQuSiAUb7eaxHAxBWrfdcsh9pxsYmH:6S6KHns5xAE7eaxHAxqfdLpm1H

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\nsj8ECB.tmp\md5dll.dll	acprotect
\Users\Admin\AppData\Local\Temp\nsj8ECB.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:

Ywqhutkwiktl.exe

pid process

1756 Ywqhutkwiktl.exe

pid	process
1756	Ywqhutkwiktl.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\nsj8ECB.tmp\md5dll.dll	upx
\Users\Admin\AppData\Local\Temp\nsj8ECB.tmp\md5dll.dll	upx

Loads dropped DLL 22 IoCs

Processes:

142879fbafd13c294428cdbde2365159e25dd9dfdc2364ddc785d6c8666224c3.exeYwqhutkwiktl.exeWerFault.exe

pid	process
276	142879fbafd13c294428cdbde2365159e25dd9dfdc2364ddc785d6c8666224c3.exe
276	142879fbafd13c294428cdbde2365159e25dd9dfdc2364ddc785d6c8666224c3.exe
276	142879fbafd13c294428cdbde2365159e25dd9dfdc2364ddc785d6c8666224c3.exe
276	142879fbafd13c294428cdbde2365159e25dd9dfdc2364ddc785d6c8666224c3.exe
1756	Ywqhutkwiktl.exe
1756	Ywqhutkwiktl.exe
1756	Ywqhutkwiktl.exe
1756	Ywqhutkwiktl.exe
1756	Ywqhutkwiktl.exe
1756	Ywqhutkwiktl.exe
1756	Ywqhutkwiktl.exe
1756	Ywqhutkwiktl.exe
1756	Ywqhutkwiktl.exe
1756	Ywqhutkwiktl.exe
1756	Ywqhutkwiktl.exe
1756	Ywqhutkwiktl.exe
1160	WerFault.exe
1160	WerFault.exe
1160	WerFault.exe
1160	WerFault.exe
1160	WerFault.exe
1160	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

1160 1756 WerFault.exe Ywqhutkwiktl.exe

pid	pid_target	process	target process
1160	1756	WerFault.exe	Ywqhutkwiktl.exe

NSIS installer 8 IoCs

installer

Processes:

resource	yara_rule
\Users\Admin\AppData\Local\Temp\nst36AD.tmp\Ywqhutkwiktl.exe	nsis_installer_2
C:\Users\Admin\AppData\Local\Temp\nst36AD.tmp\Ywqhutkwiktl.exe	nsis_installer_2
C:\Users\Admin\AppData\Local\Temp\nst36AD.tmp\Ywqhutkwiktl.exe	nsis_installer_2
\Users\Admin\AppData\Local\Temp\nst36AD.tmp\Ywqhutkwiktl.exe	nsis_installer_2
\Users\Admin\AppData\Local\Temp\nst36AD.tmp\Ywqhutkwiktl.exe	nsis_installer_2
\Users\Admin\AppData\Local\Temp\nst36AD.tmp\Ywqhutkwiktl.exe	nsis_installer_2
\Users\Admin\AppData\Local\Temp\nst36AD.tmp\Ywqhutkwiktl.exe	nsis_installer_2
\Users\Admin\AppData\Local\Temp\nst36AD.tmp\Ywqhutkwiktl.exe	nsis_installer_2

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

Ywqhutkwiktl.exe

pid process

1756 Ywqhutkwiktl.exe
1756 Ywqhutkwiktl.exe

pid	process
1756	Ywqhutkwiktl.exe
1756	Ywqhutkwiktl.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

142879fbafd13c294428cdbde2365159e25dd9dfdc2364ddc785d6c8666224c3.exeYwqhutkwiktl.exe

description	pid	process	target process
PID 276 wrote to memory of 1756	276	142879fbafd13c294428cdbde2365159e25dd9dfdc2364ddc785d6c8666224c3.exe	Ywqhutkwiktl.exe
PID 276 wrote to memory of 1756	276	142879fbafd13c294428cdbde2365159e25dd9dfdc2364ddc785d6c8666224c3.exe	Ywqhutkwiktl.exe
PID 276 wrote to memory of 1756	276	142879fbafd13c294428cdbde2365159e25dd9dfdc2364ddc785d6c8666224c3.exe	Ywqhutkwiktl.exe
PID 276 wrote to memory of 1756	276	142879fbafd13c294428cdbde2365159e25dd9dfdc2364ddc785d6c8666224c3.exe	Ywqhutkwiktl.exe
PID 1756 wrote to memory of 1160	1756	Ywqhutkwiktl.exe	WerFault.exe
PID 1756 wrote to memory of 1160	1756	Ywqhutkwiktl.exe	WerFault.exe
PID 1756 wrote to memory of 1160	1756	Ywqhutkwiktl.exe	WerFault.exe
PID 1756 wrote to memory of 1160	1756	Ywqhutkwiktl.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\142879fbafd13c294428cdbde2365159e25dd9dfdc2364ddc785d6c8666224c3.exe
"C:\Users\Admin\AppData\Local\Temp\142879fbafd13c294428cdbde2365159e25dd9dfdc2364ddc785d6c8666224c3.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:276

C:\Users\Admin\AppData\Local\Temp\nst36AD.tmp\Ywqhutkwiktl.exe
"C:\Users\Admin\AppData\Local\Temp\nst36AD.tmp\Ywqhutkwiktl.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1756

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1756 -s 568
3⤵
- Loads dropped DLL
- Program crash
PID:1160

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\nst36AD.tmp\Ywqhutkwiktl.exe

Filesize
8.6MB

MD5
24fc07d104046a3ad3ba7a705b4a47a6

SHA1
354ac4c93ea13872706f8f770b4517b62c43899b

SHA256
aa5d78e7a15e8f51f3087ae4f0cfdf4ec181abf4a09c3f995fbeee10ed528c41

SHA512
8534ff2f97a1a5c77f20af7d1589606470d67a53db6fd9cbb58c44a745430e432bd6e40d644fe84b545920a2fe6e882329a1dfa4f0787c9764845b28b69c27a9

Download Submit
C:\Users\Admin\AppData\Local\Temp\nst36AD.tmp\Ywqhutkwiktl.exe

Filesize
8.6MB

MD5
24fc07d104046a3ad3ba7a705b4a47a6

SHA1
354ac4c93ea13872706f8f770b4517b62c43899b

SHA256
aa5d78e7a15e8f51f3087ae4f0cfdf4ec181abf4a09c3f995fbeee10ed528c41

SHA512
8534ff2f97a1a5c77f20af7d1589606470d67a53db6fd9cbb58c44a745430e432bd6e40d644fe84b545920a2fe6e882329a1dfa4f0787c9764845b28b69c27a9

Download Submit
\Users\Admin\AppData\Local\Temp\nsj8ECB.tmp\InstallerUtils.dll

Filesize
804KB

MD5
ebae10bf70f2fb4c13212c04a6ea84b1

SHA1
490adb44942bebee15d9de072f342cb075a57cdc

SHA256
bcd9ead62631dc781abed34f5c04481664860934b3f39c927e45969fb52a142b

SHA512
7e34e26b10c3ef7219620a0a79dad99cee43b29064013886482ea37a61f8f08c13505ce307eadbb8ead0c337eb3f1b7b1da4df6e0d91c075d83f23977120c2b1

Download Submit
\Users\Admin\AppData\Local\Temp\nsj8ECB.tmp\InstallerUtils.dll

Filesize
804KB

MD5
ebae10bf70f2fb4c13212c04a6ea84b1

SHA1
490adb44942bebee15d9de072f342cb075a57cdc

SHA256
bcd9ead62631dc781abed34f5c04481664860934b3f39c927e45969fb52a142b

SHA512
7e34e26b10c3ef7219620a0a79dad99cee43b29064013886482ea37a61f8f08c13505ce307eadbb8ead0c337eb3f1b7b1da4df6e0d91c075d83f23977120c2b1

Download Submit
\Users\Admin\AppData\Local\Temp\nsj8ECB.tmp\InstallerUtils.dll

Filesize
804KB

MD5
ebae10bf70f2fb4c13212c04a6ea84b1

SHA1
490adb44942bebee15d9de072f342cb075a57cdc

SHA256
bcd9ead62631dc781abed34f5c04481664860934b3f39c927e45969fb52a142b

SHA512
7e34e26b10c3ef7219620a0a79dad99cee43b29064013886482ea37a61f8f08c13505ce307eadbb8ead0c337eb3f1b7b1da4df6e0d91c075d83f23977120c2b1

Download Submit
\Users\Admin\AppData\Local\Temp\nsj8ECB.tmp\InstallerUtils.dll

Filesize
804KB

MD5
ebae10bf70f2fb4c13212c04a6ea84b1

SHA1
490adb44942bebee15d9de072f342cb075a57cdc

SHA256
bcd9ead62631dc781abed34f5c04481664860934b3f39c927e45969fb52a142b

SHA512
7e34e26b10c3ef7219620a0a79dad99cee43b29064013886482ea37a61f8f08c13505ce307eadbb8ead0c337eb3f1b7b1da4df6e0d91c075d83f23977120c2b1

Download Submit
\Users\Admin\AppData\Local\Temp\nsj8ECB.tmp\InstallerUtils.dll

Filesize
804KB

MD5
ebae10bf70f2fb4c13212c04a6ea84b1

SHA1
490adb44942bebee15d9de072f342cb075a57cdc

SHA256
bcd9ead62631dc781abed34f5c04481664860934b3f39c927e45969fb52a142b

SHA512
7e34e26b10c3ef7219620a0a79dad99cee43b29064013886482ea37a61f8f08c13505ce307eadbb8ead0c337eb3f1b7b1da4df6e0d91c075d83f23977120c2b1

Download Submit
\Users\Admin\AppData\Local\Temp\nsj8ECB.tmp\InstallerUtils.dll

Filesize
804KB

MD5
ebae10bf70f2fb4c13212c04a6ea84b1

SHA1
490adb44942bebee15d9de072f342cb075a57cdc

SHA256
bcd9ead62631dc781abed34f5c04481664860934b3f39c927e45969fb52a142b

SHA512
7e34e26b10c3ef7219620a0a79dad99cee43b29064013886482ea37a61f8f08c13505ce307eadbb8ead0c337eb3f1b7b1da4df6e0d91c075d83f23977120c2b1

Download Submit
\Users\Admin\AppData\Local\Temp\nsj8ECB.tmp\InstallerUtils2.dll

Filesize
106KB

MD5
fd795abfeef48b38c065fb044f533a1e

SHA1
9fe57698c23316c3cd945b167e65e398e8b43d05

SHA256
b8c91f36173b0bf4a2be926e4464fcffd56391e9c68a7fd4c48316e7edf012ae

SHA512
55350166c6dcffbaa198d1e5597b8c957d171be76d6fadf9e95074845d99b0a1d4f60cee1f49b4d19e1c31da6074e0931561c935a35118f461d5015bc5afca8d

Download Submit
\Users\Admin\AppData\Local\Temp\nsj8ECB.tmp\StdUtils.dll

Filesize
14KB

MD5
21010df9bc37daffcc0b5ae190381d85

SHA1
a8ba022aafc1233894db29e40e569dfc8b280eb9

SHA256
0ebd62de633fa108cf18139be6778fa560680f9f8a755e41c6ab544ab8db5c16

SHA512
95d3dbba6eac144260d5fcc7fcd5fb3afcb59ae62bd2eafc5a1d2190e9b44f8e125290d62fef82ad8799d0072997c57b2fa8a643aba554d0a82bbd3f8eb1403e

Download Submit
\Users\Admin\AppData\Local\Temp\nsj8ECB.tmp\System.dll

Filesize
11KB

MD5
00a0194c20ee912257df53bfe258ee4a

SHA1
d7b4e319bc5119024690dc8230b9cc919b1b86b2

SHA256
dc4da2ccadb11099076926b02764b2b44ad8f97cd32337421a4cc21a3f5448f3

SHA512
3b38a2c17996c3b77ebf7b858a6c37415615e756792132878d8eddbd13cb06710b7da0e8b58104768f8e475fc93e8b44b3b1ab6f70ddf52edee111aaf5ef5667

Download Submit
\Users\Admin\AppData\Local\Temp\nsj8ECB.tmp\UserInfo.dll

Filesize
4KB

MD5
7579ade7ae1747a31960a228ce02e666

SHA1
8ec8571a296737e819dcf86353a43fcf8ec63351

SHA256
564c80dec62d76c53497c40094db360ff8a36e0dc1bda8383d0f9583138997f5

SHA512
a88bc56e938374c333b0e33cb72951635b5d5a98b9cb2d6785073cbcad23bf4c0f9f69d3b7e87b46c76eb03ced9bb786844ce87656a9e3df4ca24acf43d7a05b

Download Submit
\Users\Admin\AppData\Local\Temp\nsj8ECB.tmp\md5dll.dll

Filesize
6KB

MD5
0745ff646f5af1f1cdd784c06f40fce9

SHA1
bf7eba06020d7154ce4e35f696bec6e6c966287f

SHA256
fbed2f1160469f42ce97c33ad558201b2b43e3020257f9b2259e3ce295317a70

SHA512
8d31627c719e788b5d0f5f34d4cb175989eaa35aa3335c98f2ba7902c8ae01b23de3ccb9c6eb95945f0b08ef74d456f9f22ca7539df303e1df3f6a7e67b358da

Download Submit
\Users\Admin\AppData\Local\Temp\nsj8ECB.tmp\md5dll.dll

Filesize
6KB

MD5
0745ff646f5af1f1cdd784c06f40fce9

SHA1
bf7eba06020d7154ce4e35f696bec6e6c966287f

SHA256
fbed2f1160469f42ce97c33ad558201b2b43e3020257f9b2259e3ce295317a70

SHA512
8d31627c719e788b5d0f5f34d4cb175989eaa35aa3335c98f2ba7902c8ae01b23de3ccb9c6eb95945f0b08ef74d456f9f22ca7539df303e1df3f6a7e67b358da

Download Submit
\Users\Admin\AppData\Local\Temp\nsj8ECB.tmp\nsisos.dll

Filesize
5KB

MD5
69806691d649ef1c8703fd9e29231d44

SHA1
e2193fcf5b4863605eec2a5eb17bf84c7ac00166

SHA256
ba79ab7f63f02ed5d5d46b82b11d97dac5b7ef7e9b9a4df926b43ceac18483b6

SHA512
5e5e0319e701d15134a01cb6472c624e271e99891058aef4dfe779c29c73899771a5b6f8b1cd61b543a3b3defeaecaa080c9cc4e76e84038ca08e12084f128eb

Download Submit
\Users\Admin\AppData\Local\Temp\nst36AD.tmp\StdUtils.dll

Filesize
14KB

MD5
21010df9bc37daffcc0b5ae190381d85

SHA1
a8ba022aafc1233894db29e40e569dfc8b280eb9

SHA256
0ebd62de633fa108cf18139be6778fa560680f9f8a755e41c6ab544ab8db5c16

SHA512
95d3dbba6eac144260d5fcc7fcd5fb3afcb59ae62bd2eafc5a1d2190e9b44f8e125290d62fef82ad8799d0072997c57b2fa8a643aba554d0a82bbd3f8eb1403e

Download Submit
\Users\Admin\AppData\Local\Temp\nst36AD.tmp\System.dll

Filesize
11KB

MD5
00a0194c20ee912257df53bfe258ee4a

SHA1
d7b4e319bc5119024690dc8230b9cc919b1b86b2

SHA256
dc4da2ccadb11099076926b02764b2b44ad8f97cd32337421a4cc21a3f5448f3

SHA512
3b38a2c17996c3b77ebf7b858a6c37415615e756792132878d8eddbd13cb06710b7da0e8b58104768f8e475fc93e8b44b3b1ab6f70ddf52edee111aaf5ef5667

Download Submit
\Users\Admin\AppData\Local\Temp\nst36AD.tmp\WrapperUtils.dll

Filesize
57KB

MD5
cd6ebfe25688c584e2e792314bf0e8f6

SHA1
b767784fcb219437ebfeedf749555849b2c20cd9

SHA256
0c61fb3e8d470a4dedb0b2cac925cddb41391195b6e16f0ea188d71c756299e7

SHA512
dddae3d5360a2166c0ddcf52e1023212a4b70c5c5bff76d34e347833868a5f18a85153939d4e698224f8b580d052127301ba718c79811aaeaa9fc1b3e9c92e13

Download Submit
\Users\Admin\AppData\Local\Temp\nst36AD.tmp\Ywqhutkwiktl.exe

Filesize
8.6MB

MD5
24fc07d104046a3ad3ba7a705b4a47a6

SHA1
354ac4c93ea13872706f8f770b4517b62c43899b

SHA256
aa5d78e7a15e8f51f3087ae4f0cfdf4ec181abf4a09c3f995fbeee10ed528c41

SHA512
8534ff2f97a1a5c77f20af7d1589606470d67a53db6fd9cbb58c44a745430e432bd6e40d644fe84b545920a2fe6e882329a1dfa4f0787c9764845b28b69c27a9

Download Submit
\Users\Admin\AppData\Local\Temp\nst36AD.tmp\Ywqhutkwiktl.exe

Filesize
8.6MB

MD5
24fc07d104046a3ad3ba7a705b4a47a6

SHA1
354ac4c93ea13872706f8f770b4517b62c43899b

SHA256
aa5d78e7a15e8f51f3087ae4f0cfdf4ec181abf4a09c3f995fbeee10ed528c41

SHA512
8534ff2f97a1a5c77f20af7d1589606470d67a53db6fd9cbb58c44a745430e432bd6e40d644fe84b545920a2fe6e882329a1dfa4f0787c9764845b28b69c27a9

Download Submit
\Users\Admin\AppData\Local\Temp\nst36AD.tmp\Ywqhutkwiktl.exe

Filesize
8.6MB

MD5
24fc07d104046a3ad3ba7a705b4a47a6

SHA1
354ac4c93ea13872706f8f770b4517b62c43899b

SHA256
aa5d78e7a15e8f51f3087ae4f0cfdf4ec181abf4a09c3f995fbeee10ed528c41

SHA512
8534ff2f97a1a5c77f20af7d1589606470d67a53db6fd9cbb58c44a745430e432bd6e40d644fe84b545920a2fe6e882329a1dfa4f0787c9764845b28b69c27a9

Download Submit
\Users\Admin\AppData\Local\Temp\nst36AD.tmp\Ywqhutkwiktl.exe

Filesize
8.6MB

MD5
24fc07d104046a3ad3ba7a705b4a47a6

SHA1
354ac4c93ea13872706f8f770b4517b62c43899b

SHA256
aa5d78e7a15e8f51f3087ae4f0cfdf4ec181abf4a09c3f995fbeee10ed528c41

SHA512
8534ff2f97a1a5c77f20af7d1589606470d67a53db6fd9cbb58c44a745430e432bd6e40d644fe84b545920a2fe6e882329a1dfa4f0787c9764845b28b69c27a9

Download Submit
\Users\Admin\AppData\Local\Temp\nst36AD.tmp\Ywqhutkwiktl.exe

Filesize
8.6MB

MD5
24fc07d104046a3ad3ba7a705b4a47a6

SHA1
354ac4c93ea13872706f8f770b4517b62c43899b

SHA256
aa5d78e7a15e8f51f3087ae4f0cfdf4ec181abf4a09c3f995fbeee10ed528c41

SHA512
8534ff2f97a1a5c77f20af7d1589606470d67a53db6fd9cbb58c44a745430e432bd6e40d644fe84b545920a2fe6e882329a1dfa4f0787c9764845b28b69c27a9

Download Submit
\Users\Admin\AppData\Local\Temp\nst36AD.tmp\Ywqhutkwiktl.exe

Filesize
8.6MB

MD5
24fc07d104046a3ad3ba7a705b4a47a6

SHA1
354ac4c93ea13872706f8f770b4517b62c43899b

SHA256
aa5d78e7a15e8f51f3087ae4f0cfdf4ec181abf4a09c3f995fbeee10ed528c41

SHA512
8534ff2f97a1a5c77f20af7d1589606470d67a53db6fd9cbb58c44a745430e432bd6e40d644fe84b545920a2fe6e882329a1dfa4f0787c9764845b28b69c27a9

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memory/276-54-0x00000000753C1000-0x00000000753C3000-memory.dmp

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8KB

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memory/1160-77-0x0000000000000000-mapping.dmp

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memory/1756-76-0x00000000003E0000-0x00000000003E9000-memory.dmp

Filesize
36KB

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memory/1756-59-0x0000000000000000-mapping.dmp

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memory/1756-75-0x00000000003E0000-0x00000000003E9000-memory.dmp

Filesize
36KB

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memory/1756-84-0x00000000003E0000-0x00000000003E9000-memory.dmp

Filesize
36KB

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memory/1756-85-0x00000000003E0000-0x00000000003E9000-memory.dmp

Filesize
36KB

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