5518ec55a079af1a62b0bc3c7437f2a9c350c9ce2d2e6a42d62f44d5bee1d4be

Analysis

max time kernel
42s
max time network
45s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
23-11-2022 09:36

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General

Target

5518ec55a079af1a62b0bc3c7437f2a9c350c9ce2d2e6a42d62f44d5bee1d4be.exe
Size

8.7MB
MD5

a3fd2f475c6f97a4d0dbd1aeea2683f4
SHA1

098c3dab659c8361838d2c783e542ff96921dc1d
SHA256

5518ec55a079af1a62b0bc3c7437f2a9c350c9ce2d2e6a42d62f44d5bee1d4be
SHA512

53eec4440f82d91d246a2f7e08e7e97c75ad4be3c1708c4ef2277aa4bfbff1613f715cd82157f4e1c56d5b7153f1640443084eb584ec307e9f594585ba5c1b25
SSDEEP

196608:32yL6zwhgAvXfxWgXkwDYVn6/K1mjSWOOESvDInlzf6YP:GyL6zwhbv1XvDOnSVFkpz

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\nsd6625.tmp\md5dll.dll	acprotect
\Users\Admin\AppData\Local\Temp\nsd6625.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:

Pqfen.exe

pid process

956 Pqfen.exe

pid	process
956	Pqfen.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\nsd6625.tmp\md5dll.dll	upx
\Users\Admin\AppData\Local\Temp\nsd6625.tmp\md5dll.dll	upx

Loads dropped DLL 22 IoCs

Processes:

5518ec55a079af1a62b0bc3c7437f2a9c350c9ce2d2e6a42d62f44d5bee1d4be.exePqfen.exeWerFault.exe

pid	process
856	5518ec55a079af1a62b0bc3c7437f2a9c350c9ce2d2e6a42d62f44d5bee1d4be.exe
856	5518ec55a079af1a62b0bc3c7437f2a9c350c9ce2d2e6a42d62f44d5bee1d4be.exe
856	5518ec55a079af1a62b0bc3c7437f2a9c350c9ce2d2e6a42d62f44d5bee1d4be.exe
856	5518ec55a079af1a62b0bc3c7437f2a9c350c9ce2d2e6a42d62f44d5bee1d4be.exe
956	Pqfen.exe
956	Pqfen.exe
956	Pqfen.exe
956	Pqfen.exe
956	Pqfen.exe
956	Pqfen.exe
956	Pqfen.exe
956	Pqfen.exe
956	Pqfen.exe
956	Pqfen.exe
956	Pqfen.exe
956	Pqfen.exe
584	WerFault.exe
584	WerFault.exe
584	WerFault.exe
584	WerFault.exe
584	WerFault.exe
584	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

584 956 WerFault.exe Pqfen.exe

pid	pid_target	process	target process
584	956	WerFault.exe	Pqfen.exe

NSIS installer 8 IoCs

installer

Processes:

resource	yara_rule
\Users\Admin\AppData\Local\Temp\nsj1C3B.tmp\Pqfen.exe	nsis_installer_2
C:\Users\Admin\AppData\Local\Temp\nsj1C3B.tmp\Pqfen.exe	nsis_installer_2
C:\Users\Admin\AppData\Local\Temp\nsj1C3B.tmp\Pqfen.exe	nsis_installer_2
\Users\Admin\AppData\Local\Temp\nsj1C3B.tmp\Pqfen.exe	nsis_installer_2
\Users\Admin\AppData\Local\Temp\nsj1C3B.tmp\Pqfen.exe	nsis_installer_2
\Users\Admin\AppData\Local\Temp\nsj1C3B.tmp\Pqfen.exe	nsis_installer_2
\Users\Admin\AppData\Local\Temp\nsj1C3B.tmp\Pqfen.exe	nsis_installer_2
\Users\Admin\AppData\Local\Temp\nsj1C3B.tmp\Pqfen.exe	nsis_installer_2

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

Pqfen.exe

pid process

956 Pqfen.exe
956 Pqfen.exe

pid	process
956	Pqfen.exe
956	Pqfen.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

5518ec55a079af1a62b0bc3c7437f2a9c350c9ce2d2e6a42d62f44d5bee1d4be.exePqfen.exe

description	pid	process	target process
PID 856 wrote to memory of 956	856	5518ec55a079af1a62b0bc3c7437f2a9c350c9ce2d2e6a42d62f44d5bee1d4be.exe	Pqfen.exe
PID 856 wrote to memory of 956	856	5518ec55a079af1a62b0bc3c7437f2a9c350c9ce2d2e6a42d62f44d5bee1d4be.exe	Pqfen.exe
PID 856 wrote to memory of 956	856	5518ec55a079af1a62b0bc3c7437f2a9c350c9ce2d2e6a42d62f44d5bee1d4be.exe	Pqfen.exe
PID 856 wrote to memory of 956	856	5518ec55a079af1a62b0bc3c7437f2a9c350c9ce2d2e6a42d62f44d5bee1d4be.exe	Pqfen.exe
PID 956 wrote to memory of 584	956	Pqfen.exe	WerFault.exe
PID 956 wrote to memory of 584	956	Pqfen.exe	WerFault.exe
PID 956 wrote to memory of 584	956	Pqfen.exe	WerFault.exe
PID 956 wrote to memory of 584	956	Pqfen.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\5518ec55a079af1a62b0bc3c7437f2a9c350c9ce2d2e6a42d62f44d5bee1d4be.exe
"C:\Users\Admin\AppData\Local\Temp\5518ec55a079af1a62b0bc3c7437f2a9c350c9ce2d2e6a42d62f44d5bee1d4be.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:856

C:\Users\Admin\AppData\Local\Temp\nsj1C3B.tmp\Pqfen.exe
"C:\Users\Admin\AppData\Local\Temp\nsj1C3B.tmp\Pqfen.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:956

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 956 -s 576
3⤵
- Loads dropped DLL
- Program crash
PID:584

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\nsj1C3B.tmp\Pqfen.exe

Filesize
8.5MB

MD5
94051f2f437fb572d42a65ce1627c64a

SHA1
9921ea0054fa5656f8eb93d02626f0946b5e9002

SHA256
b2366069c860106894f39b3ca4c38394fa0540494666f4870f370667d481057b

SHA512
ce410e41a4c822dd74691a712aeabb8b75377cef4c4d11c71bc43d23d8f3376c2f4ecd3e8718f368cdcb031e611b7251e2381bd68aedbb7058c1a21621252287

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsj1C3B.tmp\Pqfen.exe

Filesize
8.5MB

MD5
94051f2f437fb572d42a65ce1627c64a

SHA1
9921ea0054fa5656f8eb93d02626f0946b5e9002

SHA256
b2366069c860106894f39b3ca4c38394fa0540494666f4870f370667d481057b

SHA512
ce410e41a4c822dd74691a712aeabb8b75377cef4c4d11c71bc43d23d8f3376c2f4ecd3e8718f368cdcb031e611b7251e2381bd68aedbb7058c1a21621252287

Download Submit
\Users\Admin\AppData\Local\Temp\nsd6625.tmp\InstallerUtils.dll

Filesize
814KB

MD5
584d5b6f692345dac2168c440d107daa

SHA1
792942db9c2d21da8f7168e65bdf710b39246ea5

SHA256
c7f380db9aca89166465aeee5b6c2356665e59c9b65e2445df7d7c07db3f3d6e

SHA512
ac71f6ae0ed7493f87ac50314215b68d7b0a237a5aca077d651855475e1313c9755f178007e0a33bd52dad35e618eb2e932ea011e9e0c28e144dbb059ebaf22b

Download Submit
\Users\Admin\AppData\Local\Temp\nsd6625.tmp\InstallerUtils.dll

Filesize
814KB

MD5
584d5b6f692345dac2168c440d107daa

SHA1
792942db9c2d21da8f7168e65bdf710b39246ea5

SHA256
c7f380db9aca89166465aeee5b6c2356665e59c9b65e2445df7d7c07db3f3d6e

SHA512
ac71f6ae0ed7493f87ac50314215b68d7b0a237a5aca077d651855475e1313c9755f178007e0a33bd52dad35e618eb2e932ea011e9e0c28e144dbb059ebaf22b

Download Submit
\Users\Admin\AppData\Local\Temp\nsd6625.tmp\InstallerUtils.dll

Filesize
814KB

MD5
584d5b6f692345dac2168c440d107daa

SHA1
792942db9c2d21da8f7168e65bdf710b39246ea5

SHA256
c7f380db9aca89166465aeee5b6c2356665e59c9b65e2445df7d7c07db3f3d6e

SHA512
ac71f6ae0ed7493f87ac50314215b68d7b0a237a5aca077d651855475e1313c9755f178007e0a33bd52dad35e618eb2e932ea011e9e0c28e144dbb059ebaf22b

Download Submit
\Users\Admin\AppData\Local\Temp\nsd6625.tmp\InstallerUtils.dll

Filesize
814KB

MD5
584d5b6f692345dac2168c440d107daa

SHA1
792942db9c2d21da8f7168e65bdf710b39246ea5

SHA256
c7f380db9aca89166465aeee5b6c2356665e59c9b65e2445df7d7c07db3f3d6e

SHA512
ac71f6ae0ed7493f87ac50314215b68d7b0a237a5aca077d651855475e1313c9755f178007e0a33bd52dad35e618eb2e932ea011e9e0c28e144dbb059ebaf22b

Download Submit
\Users\Admin\AppData\Local\Temp\nsd6625.tmp\InstallerUtils.dll

Filesize
814KB

MD5
584d5b6f692345dac2168c440d107daa

SHA1
792942db9c2d21da8f7168e65bdf710b39246ea5

SHA256
c7f380db9aca89166465aeee5b6c2356665e59c9b65e2445df7d7c07db3f3d6e

SHA512
ac71f6ae0ed7493f87ac50314215b68d7b0a237a5aca077d651855475e1313c9755f178007e0a33bd52dad35e618eb2e932ea011e9e0c28e144dbb059ebaf22b

Download Submit
\Users\Admin\AppData\Local\Temp\nsd6625.tmp\InstallerUtils.dll

Filesize
814KB

MD5
584d5b6f692345dac2168c440d107daa

SHA1
792942db9c2d21da8f7168e65bdf710b39246ea5

SHA256
c7f380db9aca89166465aeee5b6c2356665e59c9b65e2445df7d7c07db3f3d6e

SHA512
ac71f6ae0ed7493f87ac50314215b68d7b0a237a5aca077d651855475e1313c9755f178007e0a33bd52dad35e618eb2e932ea011e9e0c28e144dbb059ebaf22b

Download Submit
\Users\Admin\AppData\Local\Temp\nsd6625.tmp\InstallerUtils2.dll

Filesize
108KB

MD5
7fffa08344b3e25874d86057e8717a74

SHA1
12d010c410ef0dfe7b380ad9abdc37cb2e5b7058

SHA256
a765a55440e25c028f5014649acd121d44248bbc48adfedf31e2388efa7eb8a7

SHA512
0d4e86f8296e05728d7b6693dd898e899e57e0e5cac00d1cd555301e6256ff577d28438ba8c2f51521eefa574269ba5101ade63ac4f2f04e68f2b9c6870c469d

Download Submit
\Users\Admin\AppData\Local\Temp\nsd6625.tmp\StdUtils.dll

Filesize
14KB

MD5
21010df9bc37daffcc0b5ae190381d85

SHA1
a8ba022aafc1233894db29e40e569dfc8b280eb9

SHA256
0ebd62de633fa108cf18139be6778fa560680f9f8a755e41c6ab544ab8db5c16

SHA512
95d3dbba6eac144260d5fcc7fcd5fb3afcb59ae62bd2eafc5a1d2190e9b44f8e125290d62fef82ad8799d0072997c57b2fa8a643aba554d0a82bbd3f8eb1403e

Download Submit
\Users\Admin\AppData\Local\Temp\nsd6625.tmp\System.dll

Filesize
11KB

MD5
00a0194c20ee912257df53bfe258ee4a

SHA1
d7b4e319bc5119024690dc8230b9cc919b1b86b2

SHA256
dc4da2ccadb11099076926b02764b2b44ad8f97cd32337421a4cc21a3f5448f3

SHA512
3b38a2c17996c3b77ebf7b858a6c37415615e756792132878d8eddbd13cb06710b7da0e8b58104768f8e475fc93e8b44b3b1ab6f70ddf52edee111aaf5ef5667

Download Submit
\Users\Admin\AppData\Local\Temp\nsd6625.tmp\UserInfo.dll

Filesize
4KB

MD5
7579ade7ae1747a31960a228ce02e666

SHA1
8ec8571a296737e819dcf86353a43fcf8ec63351

SHA256
564c80dec62d76c53497c40094db360ff8a36e0dc1bda8383d0f9583138997f5

SHA512
a88bc56e938374c333b0e33cb72951635b5d5a98b9cb2d6785073cbcad23bf4c0f9f69d3b7e87b46c76eb03ced9bb786844ce87656a9e3df4ca24acf43d7a05b

Download Submit
\Users\Admin\AppData\Local\Temp\nsd6625.tmp\md5dll.dll

Filesize
6KB

MD5
0745ff646f5af1f1cdd784c06f40fce9

SHA1
bf7eba06020d7154ce4e35f696bec6e6c966287f

SHA256
fbed2f1160469f42ce97c33ad558201b2b43e3020257f9b2259e3ce295317a70

SHA512
8d31627c719e788b5d0f5f34d4cb175989eaa35aa3335c98f2ba7902c8ae01b23de3ccb9c6eb95945f0b08ef74d456f9f22ca7539df303e1df3f6a7e67b358da

Download Submit
\Users\Admin\AppData\Local\Temp\nsd6625.tmp\md5dll.dll

Filesize
6KB

MD5
0745ff646f5af1f1cdd784c06f40fce9

SHA1
bf7eba06020d7154ce4e35f696bec6e6c966287f

SHA256
fbed2f1160469f42ce97c33ad558201b2b43e3020257f9b2259e3ce295317a70

SHA512
8d31627c719e788b5d0f5f34d4cb175989eaa35aa3335c98f2ba7902c8ae01b23de3ccb9c6eb95945f0b08ef74d456f9f22ca7539df303e1df3f6a7e67b358da

Download Submit
\Users\Admin\AppData\Local\Temp\nsd6625.tmp\nsisos.dll

Filesize
5KB

MD5
69806691d649ef1c8703fd9e29231d44

SHA1
e2193fcf5b4863605eec2a5eb17bf84c7ac00166

SHA256
ba79ab7f63f02ed5d5d46b82b11d97dac5b7ef7e9b9a4df926b43ceac18483b6

SHA512
5e5e0319e701d15134a01cb6472c624e271e99891058aef4dfe779c29c73899771a5b6f8b1cd61b543a3b3defeaecaa080c9cc4e76e84038ca08e12084f128eb

Download Submit
\Users\Admin\AppData\Local\Temp\nsj1C3B.tmp\Pqfen.exe

Filesize
8.5MB

MD5
94051f2f437fb572d42a65ce1627c64a

SHA1
9921ea0054fa5656f8eb93d02626f0946b5e9002

SHA256
b2366069c860106894f39b3ca4c38394fa0540494666f4870f370667d481057b

SHA512
ce410e41a4c822dd74691a712aeabb8b75377cef4c4d11c71bc43d23d8f3376c2f4ecd3e8718f368cdcb031e611b7251e2381bd68aedbb7058c1a21621252287

Download Submit
\Users\Admin\AppData\Local\Temp\nsj1C3B.tmp\Pqfen.exe

Filesize
8.5MB

MD5
94051f2f437fb572d42a65ce1627c64a

SHA1
9921ea0054fa5656f8eb93d02626f0946b5e9002

SHA256
b2366069c860106894f39b3ca4c38394fa0540494666f4870f370667d481057b

SHA512
ce410e41a4c822dd74691a712aeabb8b75377cef4c4d11c71bc43d23d8f3376c2f4ecd3e8718f368cdcb031e611b7251e2381bd68aedbb7058c1a21621252287

Download Submit
\Users\Admin\AppData\Local\Temp\nsj1C3B.tmp\Pqfen.exe

Filesize
8.5MB

MD5
94051f2f437fb572d42a65ce1627c64a

SHA1
9921ea0054fa5656f8eb93d02626f0946b5e9002

SHA256
b2366069c860106894f39b3ca4c38394fa0540494666f4870f370667d481057b

SHA512
ce410e41a4c822dd74691a712aeabb8b75377cef4c4d11c71bc43d23d8f3376c2f4ecd3e8718f368cdcb031e611b7251e2381bd68aedbb7058c1a21621252287

Download Submit
\Users\Admin\AppData\Local\Temp\nsj1C3B.tmp\Pqfen.exe

Filesize
8.5MB

MD5
94051f2f437fb572d42a65ce1627c64a

SHA1
9921ea0054fa5656f8eb93d02626f0946b5e9002

SHA256
b2366069c860106894f39b3ca4c38394fa0540494666f4870f370667d481057b

SHA512
ce410e41a4c822dd74691a712aeabb8b75377cef4c4d11c71bc43d23d8f3376c2f4ecd3e8718f368cdcb031e611b7251e2381bd68aedbb7058c1a21621252287

Download Submit
\Users\Admin\AppData\Local\Temp\nsj1C3B.tmp\Pqfen.exe

Filesize
8.5MB

MD5
94051f2f437fb572d42a65ce1627c64a

SHA1
9921ea0054fa5656f8eb93d02626f0946b5e9002

SHA256
b2366069c860106894f39b3ca4c38394fa0540494666f4870f370667d481057b

SHA512
ce410e41a4c822dd74691a712aeabb8b75377cef4c4d11c71bc43d23d8f3376c2f4ecd3e8718f368cdcb031e611b7251e2381bd68aedbb7058c1a21621252287

Download Submit
\Users\Admin\AppData\Local\Temp\nsj1C3B.tmp\Pqfen.exe

Filesize
8.5MB

MD5
94051f2f437fb572d42a65ce1627c64a

SHA1
9921ea0054fa5656f8eb93d02626f0946b5e9002

SHA256
b2366069c860106894f39b3ca4c38394fa0540494666f4870f370667d481057b

SHA512
ce410e41a4c822dd74691a712aeabb8b75377cef4c4d11c71bc43d23d8f3376c2f4ecd3e8718f368cdcb031e611b7251e2381bd68aedbb7058c1a21621252287

Download Submit
\Users\Admin\AppData\Local\Temp\nsj1C3B.tmp\StdUtils.dll

Filesize
14KB

MD5
21010df9bc37daffcc0b5ae190381d85

SHA1
a8ba022aafc1233894db29e40e569dfc8b280eb9

SHA256
0ebd62de633fa108cf18139be6778fa560680f9f8a755e41c6ab544ab8db5c16

SHA512
95d3dbba6eac144260d5fcc7fcd5fb3afcb59ae62bd2eafc5a1d2190e9b44f8e125290d62fef82ad8799d0072997c57b2fa8a643aba554d0a82bbd3f8eb1403e

Download Submit
\Users\Admin\AppData\Local\Temp\nsj1C3B.tmp\System.dll

Filesize
11KB

MD5
00a0194c20ee912257df53bfe258ee4a

SHA1
d7b4e319bc5119024690dc8230b9cc919b1b86b2

SHA256
dc4da2ccadb11099076926b02764b2b44ad8f97cd32337421a4cc21a3f5448f3

SHA512
3b38a2c17996c3b77ebf7b858a6c37415615e756792132878d8eddbd13cb06710b7da0e8b58104768f8e475fc93e8b44b3b1ab6f70ddf52edee111aaf5ef5667

Download Submit
\Users\Admin\AppData\Local\Temp\nsj1C3B.tmp\WrapperUtils.dll

Filesize
57KB

MD5
c4fd010850fca98b91b2b1f69adc5dbe

SHA1
0df941edfde65d932d0a8f71bb2a7636dc8f5a5c

SHA256
8a13565385d19f7667518aad4c783671060957f1ca614f590f738e31e8c59ae1

SHA512
9cb39d0cb3581a6c8387b933030e12c83388a54605fa7cf185f79486da58d96a02ed7cdd97a72d3fd3a01a742d964e69b306f90a57c2d2e4eddfc451cf85efb4

Download Submit
memory/584-75-0x0000000000000000-mapping.dmp

Download
memory/856-54-0x0000000075931000-0x0000000075933000-memory.dmp

Filesize
8KB

Download
memory/956-59-0x0000000000000000-mapping.dmp

Download
memory/956-81-0x00000000003E0000-0x00000000003E9000-memory.dmp

Filesize
36KB

Download
memory/956-82-0x00000000003E0000-0x00000000003E9000-memory.dmp

Filesize
36KB

Download
memory/956-84-0x00000000003E0000-0x00000000003E9000-memory.dmp

Filesize
36KB

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memory/956-85-0x00000000003E0000-0x00000000003E9000-memory.dmp

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36KB

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