eb451590bc20be366e71a396b2293f0e5f0e5c63515f550379976ddb85779b15

Analysis

max time kernel
185s
max time network
193s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
23-11-2022 09:38

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General

Target

eb451590bc20be366e71a396b2293f0e5f0e5c63515f550379976ddb85779b15.exe
Size

8.5MB
MD5

1749453012769042f3aca67d6efa6512
SHA1

cc1669bd342d81fde8e4dd47b4548c568d0a5afe
SHA256

eb451590bc20be366e71a396b2293f0e5f0e5c63515f550379976ddb85779b15
SHA512

8a2afb7fc3fa8753b8a3d3f51a3cd83051ccb22e6876da793785844a8f3a17c02acf1b2a6382e1c6f72b12b11eadb340b42aadd242ea1242fa679a0cfc348ef4
SSDEEP

196608:22mG7Ql3JFxWU/vvEumuNysp0RXXNau8GVix02JbXKlc2Li5ogKBMTik:IUJU38uTn05Gi2Jbalc2LPB1k

Score

9^/10

evasion upx

Malware Config

Signatures

ACProtect 1.3x - 1.4x DLL software 4 IoCs

Detects file using ACProtect software.

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\nsh3E6D.tmp\md5dll.dll	acprotect
C:\Users\Admin\AppData\Local\Temp\nsh3E6D.tmp\md5dll.dll	acprotect
C:\Users\Admin\AppData\Local\Temp\nsh3E6D.tmp\md5dll.dll	acprotect
C:\Users\Admin\AppData\Local\Temp\nsh3E6D.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:

Ehwiykvp.exe

pid process

4812 Ehwiykvp.exe

pid	process
4812	Ehwiykvp.exe

UPX packed file 4 IoCs

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

upx

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\nsh3E6D.tmp\md5dll.dll	upx
C:\Users\Admin\AppData\Local\Temp\nsh3E6D.tmp\md5dll.dll	upx
C:\Users\Admin\AppData\Local\Temp\nsh3E6D.tmp\md5dll.dll	upx
C:\Users\Admin\AppData\Local\Temp\nsh3E6D.tmp\md5dll.dll	upx

Loads dropped DLL 20 IoCs

Processes:

eb451590bc20be366e71a396b2293f0e5f0e5c63515f550379976ddb85779b15.exeEhwiykvp.exe

pid	process
3140	eb451590bc20be366e71a396b2293f0e5f0e5c63515f550379976ddb85779b15.exe
3140	eb451590bc20be366e71a396b2293f0e5f0e5c63515f550379976ddb85779b15.exe
3140	eb451590bc20be366e71a396b2293f0e5f0e5c63515f550379976ddb85779b15.exe
4812	Ehwiykvp.exe
4812	Ehwiykvp.exe
4812	Ehwiykvp.exe
4812	Ehwiykvp.exe
4812	Ehwiykvp.exe
4812	Ehwiykvp.exe
4812	Ehwiykvp.exe
4812	Ehwiykvp.exe
4812	Ehwiykvp.exe
4812	Ehwiykvp.exe
4812	Ehwiykvp.exe
4812	Ehwiykvp.exe
4812	Ehwiykvp.exe
4812	Ehwiykvp.exe
4812	Ehwiykvp.exe
4812	Ehwiykvp.exe
4812	Ehwiykvp.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

3268 4812 WerFault.exe Ehwiykvp.exe

pid	pid_target	process	target process
3268	4812	WerFault.exe	Ehwiykvp.exe

NSIS installer 2 IoCs

installer

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\nsx6572.tmp\Ehwiykvp.exe	nsis_installer_2
C:\Users\Admin\AppData\Local\Temp\nsx6572.tmp\Ehwiykvp.exe	nsis_installer_2

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

Ehwiykvp.exe

pid process

4812 Ehwiykvp.exe
4812 Ehwiykvp.exe
4812 Ehwiykvp.exe
4812 Ehwiykvp.exe

pid	process
4812	Ehwiykvp.exe
4812	Ehwiykvp.exe
4812	Ehwiykvp.exe
4812	Ehwiykvp.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

eb451590bc20be366e71a396b2293f0e5f0e5c63515f550379976ddb85779b15.exe

description	pid	process	target process
PID 3140 wrote to memory of 4812	3140	eb451590bc20be366e71a396b2293f0e5f0e5c63515f550379976ddb85779b15.exe	Ehwiykvp.exe
PID 3140 wrote to memory of 4812	3140	eb451590bc20be366e71a396b2293f0e5f0e5c63515f550379976ddb85779b15.exe	Ehwiykvp.exe
PID 3140 wrote to memory of 4812	3140	eb451590bc20be366e71a396b2293f0e5f0e5c63515f550379976ddb85779b15.exe	Ehwiykvp.exe

C:\Users\Admin\AppData\Local\Temp\eb451590bc20be366e71a396b2293f0e5f0e5c63515f550379976ddb85779b15.exe
"C:\Users\Admin\AppData\Local\Temp\eb451590bc20be366e71a396b2293f0e5f0e5c63515f550379976ddb85779b15.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3140

C:\Users\Admin\AppData\Local\Temp\nsx6572.tmp\Ehwiykvp.exe
"C:\Users\Admin\AppData\Local\Temp\nsx6572.tmp\Ehwiykvp.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
PID:4812

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4812 -s 1536
3⤵
- Program crash
PID:3268

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4812 -ip 4812
1⤵
PID:3428

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\nsh3E6D.tmp\InstallerUtils.dll

Filesize
783KB

MD5
dfb6076049f0c9c5f25b0cbfd7926a84

SHA1
5868208243a45e3c300dd5196ad50ca1264c8195

SHA256
b064245cab8627b59f349684f0f827c8268a5c4406933b03c59909c24211a1d3

SHA512
30723c0a4e98cb0fb03f96be9aa7fc881b3837232dfada2db32c08cdb07f11a5423a9d8f25634316ffbdbfede4fbb97d333ece8abd259bca23d3c606a2887bd9

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsh3E6D.tmp\InstallerUtils.dll

Filesize
783KB

MD5
dfb6076049f0c9c5f25b0cbfd7926a84

SHA1
5868208243a45e3c300dd5196ad50ca1264c8195

SHA256
b064245cab8627b59f349684f0f827c8268a5c4406933b03c59909c24211a1d3

SHA512
30723c0a4e98cb0fb03f96be9aa7fc881b3837232dfada2db32c08cdb07f11a5423a9d8f25634316ffbdbfede4fbb97d333ece8abd259bca23d3c606a2887bd9

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsh3E6D.tmp\InstallerUtils.dll

Filesize
783KB

MD5
dfb6076049f0c9c5f25b0cbfd7926a84

SHA1
5868208243a45e3c300dd5196ad50ca1264c8195

SHA256
b064245cab8627b59f349684f0f827c8268a5c4406933b03c59909c24211a1d3

SHA512
30723c0a4e98cb0fb03f96be9aa7fc881b3837232dfada2db32c08cdb07f11a5423a9d8f25634316ffbdbfede4fbb97d333ece8abd259bca23d3c606a2887bd9

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsh3E6D.tmp\InstallerUtils.dll

Filesize
783KB

MD5
dfb6076049f0c9c5f25b0cbfd7926a84

SHA1
5868208243a45e3c300dd5196ad50ca1264c8195

SHA256
b064245cab8627b59f349684f0f827c8268a5c4406933b03c59909c24211a1d3

SHA512
30723c0a4e98cb0fb03f96be9aa7fc881b3837232dfada2db32c08cdb07f11a5423a9d8f25634316ffbdbfede4fbb97d333ece8abd259bca23d3c606a2887bd9

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsh3E6D.tmp\InstallerUtils.dll

Filesize
783KB

MD5
dfb6076049f0c9c5f25b0cbfd7926a84

SHA1
5868208243a45e3c300dd5196ad50ca1264c8195

SHA256
b064245cab8627b59f349684f0f827c8268a5c4406933b03c59909c24211a1d3

SHA512
30723c0a4e98cb0fb03f96be9aa7fc881b3837232dfada2db32c08cdb07f11a5423a9d8f25634316ffbdbfede4fbb97d333ece8abd259bca23d3c606a2887bd9

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsh3E6D.tmp\InstallerUtils.dll

Filesize
783KB

MD5
dfb6076049f0c9c5f25b0cbfd7926a84

SHA1
5868208243a45e3c300dd5196ad50ca1264c8195

SHA256
b064245cab8627b59f349684f0f827c8268a5c4406933b03c59909c24211a1d3

SHA512
30723c0a4e98cb0fb03f96be9aa7fc881b3837232dfada2db32c08cdb07f11a5423a9d8f25634316ffbdbfede4fbb97d333ece8abd259bca23d3c606a2887bd9

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsh3E6D.tmp\InstallerUtils2.dll

Filesize
92KB

MD5
63c87e5992fe4baa5e075a5f48dfe3a3

SHA1
17ae54067f538bb347da07b1afcacee942707a4c

SHA256
a236248e06187536bb228de8181720ad6b3dd7687c08a7a0adced5fd39b6a474

SHA512
b1f35202124ac9b4a2ce4cbf61f615d642acaf5808d232b33da4d409d3fe778df51c8b766669803adabd0c231ded9a4753e95c4d2db811bae33a594e091aff95

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsh3E6D.tmp\StdUtils.dll

Filesize
14KB

MD5
21010df9bc37daffcc0b5ae190381d85

SHA1
a8ba022aafc1233894db29e40e569dfc8b280eb9

SHA256
0ebd62de633fa108cf18139be6778fa560680f9f8a755e41c6ab544ab8db5c16

SHA512
95d3dbba6eac144260d5fcc7fcd5fb3afcb59ae62bd2eafc5a1d2190e9b44f8e125290d62fef82ad8799d0072997c57b2fa8a643aba554d0a82bbd3f8eb1403e

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsh3E6D.tmp\System.dll

Filesize
11KB

MD5
00a0194c20ee912257df53bfe258ee4a

SHA1
d7b4e319bc5119024690dc8230b9cc919b1b86b2

SHA256
dc4da2ccadb11099076926b02764b2b44ad8f97cd32337421a4cc21a3f5448f3

SHA512
3b38a2c17996c3b77ebf7b858a6c37415615e756792132878d8eddbd13cb06710b7da0e8b58104768f8e475fc93e8b44b3b1ab6f70ddf52edee111aaf5ef5667

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsh3E6D.tmp\UserInfo.dll

Filesize
4KB

MD5
7579ade7ae1747a31960a228ce02e666

SHA1
8ec8571a296737e819dcf86353a43fcf8ec63351

SHA256
564c80dec62d76c53497c40094db360ff8a36e0dc1bda8383d0f9583138997f5

SHA512
a88bc56e938374c333b0e33cb72951635b5d5a98b9cb2d6785073cbcad23bf4c0f9f69d3b7e87b46c76eb03ced9bb786844ce87656a9e3df4ca24acf43d7a05b

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsh3E6D.tmp\UserInfo.dll

Filesize
4KB

MD5
7579ade7ae1747a31960a228ce02e666

SHA1
8ec8571a296737e819dcf86353a43fcf8ec63351

SHA256
564c80dec62d76c53497c40094db360ff8a36e0dc1bda8383d0f9583138997f5

SHA512
a88bc56e938374c333b0e33cb72951635b5d5a98b9cb2d6785073cbcad23bf4c0f9f69d3b7e87b46c76eb03ced9bb786844ce87656a9e3df4ca24acf43d7a05b

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsh3E6D.tmp\md5dll.dll

Filesize
6KB

MD5
0745ff646f5af1f1cdd784c06f40fce9

SHA1
bf7eba06020d7154ce4e35f696bec6e6c966287f

SHA256
fbed2f1160469f42ce97c33ad558201b2b43e3020257f9b2259e3ce295317a70

SHA512
8d31627c719e788b5d0f5f34d4cb175989eaa35aa3335c98f2ba7902c8ae01b23de3ccb9c6eb95945f0b08ef74d456f9f22ca7539df303e1df3f6a7e67b358da

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsh3E6D.tmp\md5dll.dll

Filesize
6KB

MD5
0745ff646f5af1f1cdd784c06f40fce9

SHA1
bf7eba06020d7154ce4e35f696bec6e6c966287f

SHA256
fbed2f1160469f42ce97c33ad558201b2b43e3020257f9b2259e3ce295317a70

SHA512
8d31627c719e788b5d0f5f34d4cb175989eaa35aa3335c98f2ba7902c8ae01b23de3ccb9c6eb95945f0b08ef74d456f9f22ca7539df303e1df3f6a7e67b358da

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsh3E6D.tmp\md5dll.dll

Filesize
6KB

MD5
0745ff646f5af1f1cdd784c06f40fce9

SHA1
bf7eba06020d7154ce4e35f696bec6e6c966287f

SHA256
fbed2f1160469f42ce97c33ad558201b2b43e3020257f9b2259e3ce295317a70

SHA512
8d31627c719e788b5d0f5f34d4cb175989eaa35aa3335c98f2ba7902c8ae01b23de3ccb9c6eb95945f0b08ef74d456f9f22ca7539df303e1df3f6a7e67b358da

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsh3E6D.tmp\md5dll.dll

Filesize
6KB

MD5
0745ff646f5af1f1cdd784c06f40fce9

SHA1
bf7eba06020d7154ce4e35f696bec6e6c966287f

SHA256
fbed2f1160469f42ce97c33ad558201b2b43e3020257f9b2259e3ce295317a70

SHA512
8d31627c719e788b5d0f5f34d4cb175989eaa35aa3335c98f2ba7902c8ae01b23de3ccb9c6eb95945f0b08ef74d456f9f22ca7539df303e1df3f6a7e67b358da

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsh3E6D.tmp\nsisos.dll

Filesize
5KB

MD5
69806691d649ef1c8703fd9e29231d44

SHA1
e2193fcf5b4863605eec2a5eb17bf84c7ac00166

SHA256
ba79ab7f63f02ed5d5d46b82b11d97dac5b7ef7e9b9a4df926b43ceac18483b6

SHA512
5e5e0319e701d15134a01cb6472c624e271e99891058aef4dfe779c29c73899771a5b6f8b1cd61b543a3b3defeaecaa080c9cc4e76e84038ca08e12084f128eb

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsh3E6D.tmp\nsisos.dll

Filesize
5KB

MD5
69806691d649ef1c8703fd9e29231d44

SHA1
e2193fcf5b4863605eec2a5eb17bf84c7ac00166

SHA256
ba79ab7f63f02ed5d5d46b82b11d97dac5b7ef7e9b9a4df926b43ceac18483b6

SHA512
5e5e0319e701d15134a01cb6472c624e271e99891058aef4dfe779c29c73899771a5b6f8b1cd61b543a3b3defeaecaa080c9cc4e76e84038ca08e12084f128eb

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsx6572.tmp\Ehwiykvp.exe

Filesize
8.4MB

MD5
9adeab511eef6fc106ae76d5bd6d6dee

SHA1
84c6e693f60fad071037095a26be6258d1719f8e

SHA256
4e685915dd912fbe15f5c569189ae14388b2962efdcaac88474fe2210a86ce7d

SHA512
0c63141258d8d62a7a907d9138d285da9bd2fad990908e1b3c6a96e8981786ec36b2745dd19baccb70dfbdb450847dc5c5d50a35baa8520fd760d5621ac3ff82

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsx6572.tmp\Ehwiykvp.exe

Filesize
8.4MB

MD5
9adeab511eef6fc106ae76d5bd6d6dee

SHA1
84c6e693f60fad071037095a26be6258d1719f8e

SHA256
4e685915dd912fbe15f5c569189ae14388b2962efdcaac88474fe2210a86ce7d

SHA512
0c63141258d8d62a7a907d9138d285da9bd2fad990908e1b3c6a96e8981786ec36b2745dd19baccb70dfbdb450847dc5c5d50a35baa8520fd760d5621ac3ff82

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsx6572.tmp\StdUtils.dll

Filesize
14KB

MD5
21010df9bc37daffcc0b5ae190381d85

SHA1
a8ba022aafc1233894db29e40e569dfc8b280eb9

SHA256
0ebd62de633fa108cf18139be6778fa560680f9f8a755e41c6ab544ab8db5c16

SHA512
95d3dbba6eac144260d5fcc7fcd5fb3afcb59ae62bd2eafc5a1d2190e9b44f8e125290d62fef82ad8799d0072997c57b2fa8a643aba554d0a82bbd3f8eb1403e

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsx6572.tmp\System.dll

Filesize
11KB

MD5
00a0194c20ee912257df53bfe258ee4a

SHA1
d7b4e319bc5119024690dc8230b9cc919b1b86b2

SHA256
dc4da2ccadb11099076926b02764b2b44ad8f97cd32337421a4cc21a3f5448f3

SHA512
3b38a2c17996c3b77ebf7b858a6c37415615e756792132878d8eddbd13cb06710b7da0e8b58104768f8e475fc93e8b44b3b1ab6f70ddf52edee111aaf5ef5667

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsx6572.tmp\WrapperUtils.dll

Filesize
57KB

MD5
c626d1a9988d02b6e45c0c19405ed229

SHA1
140111525c4fb7b87e01694c379fbec4b8df7ce4

SHA256
fb5bb316ba8c77dbda1127193454b98d624ae54c0400dbcde363a74bb363e6b8

SHA512
b59a07f10a65acbfd16e3b2e15163ef4cb7dd13c961e233e861101f2e91a66fa0395d8367f7c191f05194dadf3fab1505978dbd900a845dd58930b52bfb9c1b7

Download Submit
memory/4812-154-0x0000000001100000-0x0000000001109000-memory.dmp

Filesize
36KB

Download
memory/4812-155-0x0000000001100000-0x0000000001109000-memory.dmp

Filesize
36KB

Download
memory/4812-156-0x0000000001100000-0x0000000001109000-memory.dmp

Filesize
36KB

Download
memory/4812-157-0x0000000001100000-0x0000000001109000-memory.dmp

Filesize
36KB

Download
memory/4812-158-0x0000000001100000-0x0000000001109000-memory.dmp

Filesize
36KB

Download
memory/4812-159-0x0000000001100000-0x0000000001109000-memory.dmp

Filesize
36KB

Download
memory/4812-160-0x0000000001100000-0x0000000001109000-memory.dmp

Filesize
36KB

Download
memory/4812-135-0x0000000000000000-mapping.dmp

Download