23d1b2bcaf298f1d5d5f3b94da8bb25d8508257b5b1faaa4e693e0674dbccfda

Analysis

max time kernel
62s
max time network
50s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
26-11-2022 04:29

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General

Target

23d1b2bcaf298f1d5d5f3b94da8bb25d8508257b5b1faaa4e693e0674dbccfda.exe
Size

11.3MB
MD5

5bedb97fe58d9500b376f46fad2ece28
SHA1

2fb3d683ef52bf434b6baec7e6cd0b24bf20cf35
SHA256

23d1b2bcaf298f1d5d5f3b94da8bb25d8508257b5b1faaa4e693e0674dbccfda
SHA512

2da8c05cdcb3e7425bc72fd2ec5bbb07f4b527b89eb4835cbb8cfdb421da2f62b50c8db9c25920dca44fcb0a6cc7997682f6700213f1135e02024818b501e291
SSDEEP

196608:0VCHJX56teE04SCElajuPcG8efT+7nxwSn4BR/Hj7pkpw16kgXJ2QxQv31UutXKZ:AEzTE1S0I8O+7xwxBFj7pMC6k4J2QxQ2

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\nsz207F.tmp\md5dll.dll	acprotect
\Users\Admin\AppData\Local\Temp\nsz207F.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:

Bzjbjsnfpz.exe

pid process

948 Bzjbjsnfpz.exe

pid	process
948	Bzjbjsnfpz.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\nsz207F.tmp\md5dll.dll	upx
\Users\Admin\AppData\Local\Temp\nsz207F.tmp\md5dll.dll	upx

Loads dropped DLL 22 IoCs

Processes:

23d1b2bcaf298f1d5d5f3b94da8bb25d8508257b5b1faaa4e693e0674dbccfda.exeBzjbjsnfpz.exeWerFault.exe

pid	process
1992	23d1b2bcaf298f1d5d5f3b94da8bb25d8508257b5b1faaa4e693e0674dbccfda.exe
1992	23d1b2bcaf298f1d5d5f3b94da8bb25d8508257b5b1faaa4e693e0674dbccfda.exe
1992	23d1b2bcaf298f1d5d5f3b94da8bb25d8508257b5b1faaa4e693e0674dbccfda.exe
1992	23d1b2bcaf298f1d5d5f3b94da8bb25d8508257b5b1faaa4e693e0674dbccfda.exe
948	Bzjbjsnfpz.exe
948	Bzjbjsnfpz.exe
948	Bzjbjsnfpz.exe
948	Bzjbjsnfpz.exe
948	Bzjbjsnfpz.exe
948	Bzjbjsnfpz.exe
948	Bzjbjsnfpz.exe
948	Bzjbjsnfpz.exe
948	Bzjbjsnfpz.exe
948	Bzjbjsnfpz.exe
948	Bzjbjsnfpz.exe
948	Bzjbjsnfpz.exe
1516	WerFault.exe
1516	WerFault.exe
1516	WerFault.exe
1516	WerFault.exe
1516	WerFault.exe
1516	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

1516 948 WerFault.exe Bzjbjsnfpz.exe

pid	pid_target	process	target process
1516	948	WerFault.exe	Bzjbjsnfpz.exe

NSIS installer 8 IoCs

installer

Processes:

resource	yara_rule
\Users\Admin\AppData\Local\Temp\nsj85F4.tmp\Bzjbjsnfpz.exe	nsis_installer_2
C:\Users\Admin\AppData\Local\Temp\nsj85F4.tmp\Bzjbjsnfpz.exe	nsis_installer_2
C:\Users\Admin\AppData\Local\Temp\nsj85F4.tmp\Bzjbjsnfpz.exe	nsis_installer_2
\Users\Admin\AppData\Local\Temp\nsj85F4.tmp\Bzjbjsnfpz.exe	nsis_installer_2
\Users\Admin\AppData\Local\Temp\nsj85F4.tmp\Bzjbjsnfpz.exe	nsis_installer_2
\Users\Admin\AppData\Local\Temp\nsj85F4.tmp\Bzjbjsnfpz.exe	nsis_installer_2
\Users\Admin\AppData\Local\Temp\nsj85F4.tmp\Bzjbjsnfpz.exe	nsis_installer_2
\Users\Admin\AppData\Local\Temp\nsj85F4.tmp\Bzjbjsnfpz.exe	nsis_installer_2

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

Bzjbjsnfpz.exe

pid process

948 Bzjbjsnfpz.exe
948 Bzjbjsnfpz.exe

pid	process
948	Bzjbjsnfpz.exe
948	Bzjbjsnfpz.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

23d1b2bcaf298f1d5d5f3b94da8bb25d8508257b5b1faaa4e693e0674dbccfda.exeBzjbjsnfpz.exe

description	pid	process	target process
PID 1992 wrote to memory of 948	1992	23d1b2bcaf298f1d5d5f3b94da8bb25d8508257b5b1faaa4e693e0674dbccfda.exe	Bzjbjsnfpz.exe
PID 1992 wrote to memory of 948	1992	23d1b2bcaf298f1d5d5f3b94da8bb25d8508257b5b1faaa4e693e0674dbccfda.exe	Bzjbjsnfpz.exe
PID 1992 wrote to memory of 948	1992	23d1b2bcaf298f1d5d5f3b94da8bb25d8508257b5b1faaa4e693e0674dbccfda.exe	Bzjbjsnfpz.exe
PID 1992 wrote to memory of 948	1992	23d1b2bcaf298f1d5d5f3b94da8bb25d8508257b5b1faaa4e693e0674dbccfda.exe	Bzjbjsnfpz.exe
PID 948 wrote to memory of 1516	948	Bzjbjsnfpz.exe	WerFault.exe
PID 948 wrote to memory of 1516	948	Bzjbjsnfpz.exe	WerFault.exe
PID 948 wrote to memory of 1516	948	Bzjbjsnfpz.exe	WerFault.exe
PID 948 wrote to memory of 1516	948	Bzjbjsnfpz.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\23d1b2bcaf298f1d5d5f3b94da8bb25d8508257b5b1faaa4e693e0674dbccfda.exe
"C:\Users\Admin\AppData\Local\Temp\23d1b2bcaf298f1d5d5f3b94da8bb25d8508257b5b1faaa4e693e0674dbccfda.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1992

C:\Users\Admin\AppData\Local\Temp\nsj85F4.tmp\Bzjbjsnfpz.exe
"C:\Users\Admin\AppData\Local\Temp\nsj85F4.tmp\Bzjbjsnfpz.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:948

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 948 -s 568
3⤵
- Loads dropped DLL
- Program crash
PID:1516

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\nsj85F4.tmp\Bzjbjsnfpz.exe
Filesize
11.2MB

MD5
9019be60a65044a06183c25959ac9ae8

SHA1
c635768722f9d7331ba69443b1de342c75a5784f

SHA256
673f1e8ddd1dba20eed24bd232646cd5a1ca26c62cd2d4aa468137e6a1f78da8

SHA512
45bbfb548af0cebc4c7a52f0f502f07fb369fabc15fc77d78cdbc5f3fee26b8037fbc531b2084e5d85e090862c4c8edc823590a1293087324706bc117fe780c8

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsj85F4.tmp\Bzjbjsnfpz.exe
Filesize
11.2MB

MD5
9019be60a65044a06183c25959ac9ae8

SHA1
c635768722f9d7331ba69443b1de342c75a5784f

SHA256
673f1e8ddd1dba20eed24bd232646cd5a1ca26c62cd2d4aa468137e6a1f78da8

SHA512
45bbfb548af0cebc4c7a52f0f502f07fb369fabc15fc77d78cdbc5f3fee26b8037fbc531b2084e5d85e090862c4c8edc823590a1293087324706bc117fe780c8

Download Submit
\Users\Admin\AppData\Local\Temp\nsj85F4.tmp\Bzjbjsnfpz.exe
Filesize
11.2MB

MD5
9019be60a65044a06183c25959ac9ae8

SHA1
c635768722f9d7331ba69443b1de342c75a5784f

SHA256
673f1e8ddd1dba20eed24bd232646cd5a1ca26c62cd2d4aa468137e6a1f78da8

SHA512
45bbfb548af0cebc4c7a52f0f502f07fb369fabc15fc77d78cdbc5f3fee26b8037fbc531b2084e5d85e090862c4c8edc823590a1293087324706bc117fe780c8

Download Submit
\Users\Admin\AppData\Local\Temp\nsj85F4.tmp\Bzjbjsnfpz.exe
Filesize
11.2MB

MD5
9019be60a65044a06183c25959ac9ae8

SHA1
c635768722f9d7331ba69443b1de342c75a5784f

SHA256
673f1e8ddd1dba20eed24bd232646cd5a1ca26c62cd2d4aa468137e6a1f78da8

SHA512
45bbfb548af0cebc4c7a52f0f502f07fb369fabc15fc77d78cdbc5f3fee26b8037fbc531b2084e5d85e090862c4c8edc823590a1293087324706bc117fe780c8

Download Submit
\Users\Admin\AppData\Local\Temp\nsj85F4.tmp\Bzjbjsnfpz.exe
Filesize
11.2MB

MD5
9019be60a65044a06183c25959ac9ae8

SHA1
c635768722f9d7331ba69443b1de342c75a5784f

SHA256
673f1e8ddd1dba20eed24bd232646cd5a1ca26c62cd2d4aa468137e6a1f78da8

SHA512
45bbfb548af0cebc4c7a52f0f502f07fb369fabc15fc77d78cdbc5f3fee26b8037fbc531b2084e5d85e090862c4c8edc823590a1293087324706bc117fe780c8

Download Submit
\Users\Admin\AppData\Local\Temp\nsj85F4.tmp\Bzjbjsnfpz.exe
Filesize
11.2MB

MD5
9019be60a65044a06183c25959ac9ae8

SHA1
c635768722f9d7331ba69443b1de342c75a5784f

SHA256
673f1e8ddd1dba20eed24bd232646cd5a1ca26c62cd2d4aa468137e6a1f78da8

SHA512
45bbfb548af0cebc4c7a52f0f502f07fb369fabc15fc77d78cdbc5f3fee26b8037fbc531b2084e5d85e090862c4c8edc823590a1293087324706bc117fe780c8

Download Submit
\Users\Admin\AppData\Local\Temp\nsj85F4.tmp\Bzjbjsnfpz.exe
Filesize
11.2MB

MD5
9019be60a65044a06183c25959ac9ae8

SHA1
c635768722f9d7331ba69443b1de342c75a5784f

SHA256
673f1e8ddd1dba20eed24bd232646cd5a1ca26c62cd2d4aa468137e6a1f78da8

SHA512
45bbfb548af0cebc4c7a52f0f502f07fb369fabc15fc77d78cdbc5f3fee26b8037fbc531b2084e5d85e090862c4c8edc823590a1293087324706bc117fe780c8

Download Submit
\Users\Admin\AppData\Local\Temp\nsj85F4.tmp\Bzjbjsnfpz.exe
Filesize
11.2MB

MD5
9019be60a65044a06183c25959ac9ae8

SHA1
c635768722f9d7331ba69443b1de342c75a5784f

SHA256
673f1e8ddd1dba20eed24bd232646cd5a1ca26c62cd2d4aa468137e6a1f78da8

SHA512
45bbfb548af0cebc4c7a52f0f502f07fb369fabc15fc77d78cdbc5f3fee26b8037fbc531b2084e5d85e090862c4c8edc823590a1293087324706bc117fe780c8

Download Submit
\Users\Admin\AppData\Local\Temp\nsj85F4.tmp\StdUtils.dll
Filesize
14KB

MD5
21010df9bc37daffcc0b5ae190381d85

SHA1
a8ba022aafc1233894db29e40e569dfc8b280eb9

SHA256
0ebd62de633fa108cf18139be6778fa560680f9f8a755e41c6ab544ab8db5c16

SHA512
95d3dbba6eac144260d5fcc7fcd5fb3afcb59ae62bd2eafc5a1d2190e9b44f8e125290d62fef82ad8799d0072997c57b2fa8a643aba554d0a82bbd3f8eb1403e

Download Submit
\Users\Admin\AppData\Local\Temp\nsj85F4.tmp\System.dll
Filesize
11KB

MD5
00a0194c20ee912257df53bfe258ee4a

SHA1
d7b4e319bc5119024690dc8230b9cc919b1b86b2

SHA256
dc4da2ccadb11099076926b02764b2b44ad8f97cd32337421a4cc21a3f5448f3

SHA512
3b38a2c17996c3b77ebf7b858a6c37415615e756792132878d8eddbd13cb06710b7da0e8b58104768f8e475fc93e8b44b3b1ab6f70ddf52edee111aaf5ef5667

Download Submit
\Users\Admin\AppData\Local\Temp\nsj85F4.tmp\WrapperUtils.dll
Filesize
58KB

MD5
a2361c156b0fb019bbe0a5d9e1f1e6da

SHA1
c892a6af4f042232f3187db8af12a9bb8e502686

SHA256
f1fe0632c179dce8d869846570077ee9236f8c756e75851e640cb776e9e1aaed

SHA512
5fd9b50acde0a9d6ba7e98f0e1d219182599d623cef39d999ae6849aedff4a8a22bd2c30749deec4af0e5dda88729839c12c3334715a36811d972e6466971024

Download Submit
\Users\Admin\AppData\Local\Temp\nsz207F.tmp\InstallerUtils.dll
Filesize
844KB

MD5
ee2a419eae4365ff5d3b7d6647fe8a2e

SHA1
7e337bafe93299f8e1138ca195f13bb3f4e45615

SHA256
2ad05f614f0c80a4ca3aba7101a10f46126716ca573232cdd1d75d65e7a7fbd2

SHA512
55d4bbc3829d7ba7676985f6d25d45bfd5f19532e5867b9c434905b73a3dac74c49fb9bb216ec9d1f49caff8c2045123da5cdadfd6fbd26e5eae39f73380051b

Download Submit
\Users\Admin\AppData\Local\Temp\nsz207F.tmp\InstallerUtils.dll
Filesize
844KB

MD5
ee2a419eae4365ff5d3b7d6647fe8a2e

SHA1
7e337bafe93299f8e1138ca195f13bb3f4e45615

SHA256
2ad05f614f0c80a4ca3aba7101a10f46126716ca573232cdd1d75d65e7a7fbd2

SHA512
55d4bbc3829d7ba7676985f6d25d45bfd5f19532e5867b9c434905b73a3dac74c49fb9bb216ec9d1f49caff8c2045123da5cdadfd6fbd26e5eae39f73380051b

Download Submit
\Users\Admin\AppData\Local\Temp\nsz207F.tmp\InstallerUtils.dll
Filesize
844KB

MD5
ee2a419eae4365ff5d3b7d6647fe8a2e

SHA1
7e337bafe93299f8e1138ca195f13bb3f4e45615

SHA256
2ad05f614f0c80a4ca3aba7101a10f46126716ca573232cdd1d75d65e7a7fbd2

SHA512
55d4bbc3829d7ba7676985f6d25d45bfd5f19532e5867b9c434905b73a3dac74c49fb9bb216ec9d1f49caff8c2045123da5cdadfd6fbd26e5eae39f73380051b

Download Submit
\Users\Admin\AppData\Local\Temp\nsz207F.tmp\InstallerUtils.dll
Filesize
844KB

MD5
ee2a419eae4365ff5d3b7d6647fe8a2e

SHA1
7e337bafe93299f8e1138ca195f13bb3f4e45615

SHA256
2ad05f614f0c80a4ca3aba7101a10f46126716ca573232cdd1d75d65e7a7fbd2

SHA512
55d4bbc3829d7ba7676985f6d25d45bfd5f19532e5867b9c434905b73a3dac74c49fb9bb216ec9d1f49caff8c2045123da5cdadfd6fbd26e5eae39f73380051b

Download Submit
\Users\Admin\AppData\Local\Temp\nsz207F.tmp\InstallerUtils.dll
Filesize
844KB

MD5
ee2a419eae4365ff5d3b7d6647fe8a2e

SHA1
7e337bafe93299f8e1138ca195f13bb3f4e45615

SHA256
2ad05f614f0c80a4ca3aba7101a10f46126716ca573232cdd1d75d65e7a7fbd2

SHA512
55d4bbc3829d7ba7676985f6d25d45bfd5f19532e5867b9c434905b73a3dac74c49fb9bb216ec9d1f49caff8c2045123da5cdadfd6fbd26e5eae39f73380051b

Download Submit
\Users\Admin\AppData\Local\Temp\nsz207F.tmp\InstallerUtils.dll
Filesize
844KB

MD5
ee2a419eae4365ff5d3b7d6647fe8a2e

SHA1
7e337bafe93299f8e1138ca195f13bb3f4e45615

SHA256
2ad05f614f0c80a4ca3aba7101a10f46126716ca573232cdd1d75d65e7a7fbd2

SHA512
55d4bbc3829d7ba7676985f6d25d45bfd5f19532e5867b9c434905b73a3dac74c49fb9bb216ec9d1f49caff8c2045123da5cdadfd6fbd26e5eae39f73380051b

Download Submit
\Users\Admin\AppData\Local\Temp\nsz207F.tmp\InstallerUtils2.dll
Filesize
109KB

MD5
05d550d00e443d1a6f0331fd3fcbeff0

SHA1
a8a05cb414e8a1b07194a02a961ee41ca1de1387

SHA256
46ebfe3a564796632214eaff72a74026b1fba3f0f4d159833f24b84142443696

SHA512
6859b0680ed09bc0a05db05070d2c29862efb0f844b0aa3327e25aa1f19a35a1cac17d03a1585c88c79fac2a2c019cc7da11d0cbfaeb86d6634ccb9afbd371c8

Download Submit
\Users\Admin\AppData\Local\Temp\nsz207F.tmp\StdUtils.dll
Filesize
14KB

MD5
21010df9bc37daffcc0b5ae190381d85

SHA1
a8ba022aafc1233894db29e40e569dfc8b280eb9

SHA256
0ebd62de633fa108cf18139be6778fa560680f9f8a755e41c6ab544ab8db5c16

SHA512
95d3dbba6eac144260d5fcc7fcd5fb3afcb59ae62bd2eafc5a1d2190e9b44f8e125290d62fef82ad8799d0072997c57b2fa8a643aba554d0a82bbd3f8eb1403e

Download Submit
\Users\Admin\AppData\Local\Temp\nsz207F.tmp\System.dll
Filesize
11KB

MD5
00a0194c20ee912257df53bfe258ee4a

SHA1
d7b4e319bc5119024690dc8230b9cc919b1b86b2

SHA256
dc4da2ccadb11099076926b02764b2b44ad8f97cd32337421a4cc21a3f5448f3

SHA512
3b38a2c17996c3b77ebf7b858a6c37415615e756792132878d8eddbd13cb06710b7da0e8b58104768f8e475fc93e8b44b3b1ab6f70ddf52edee111aaf5ef5667

Download Submit
\Users\Admin\AppData\Local\Temp\nsz207F.tmp\UserInfo.dll
Filesize
4KB

MD5
7579ade7ae1747a31960a228ce02e666

SHA1
8ec8571a296737e819dcf86353a43fcf8ec63351

SHA256
564c80dec62d76c53497c40094db360ff8a36e0dc1bda8383d0f9583138997f5

SHA512
a88bc56e938374c333b0e33cb72951635b5d5a98b9cb2d6785073cbcad23bf4c0f9f69d3b7e87b46c76eb03ced9bb786844ce87656a9e3df4ca24acf43d7a05b

Download Submit
\Users\Admin\AppData\Local\Temp\nsz207F.tmp\md5dll.dll
Filesize
6KB

MD5
0745ff646f5af1f1cdd784c06f40fce9

SHA1
bf7eba06020d7154ce4e35f696bec6e6c966287f

SHA256
fbed2f1160469f42ce97c33ad558201b2b43e3020257f9b2259e3ce295317a70

SHA512
8d31627c719e788b5d0f5f34d4cb175989eaa35aa3335c98f2ba7902c8ae01b23de3ccb9c6eb95945f0b08ef74d456f9f22ca7539df303e1df3f6a7e67b358da

Download Submit
\Users\Admin\AppData\Local\Temp\nsz207F.tmp\md5dll.dll
Filesize
6KB

MD5
0745ff646f5af1f1cdd784c06f40fce9

SHA1
bf7eba06020d7154ce4e35f696bec6e6c966287f

SHA256
fbed2f1160469f42ce97c33ad558201b2b43e3020257f9b2259e3ce295317a70

SHA512
8d31627c719e788b5d0f5f34d4cb175989eaa35aa3335c98f2ba7902c8ae01b23de3ccb9c6eb95945f0b08ef74d456f9f22ca7539df303e1df3f6a7e67b358da

Download Submit
\Users\Admin\AppData\Local\Temp\nsz207F.tmp\nsisos.dll
Filesize
5KB

MD5
69806691d649ef1c8703fd9e29231d44

SHA1
e2193fcf5b4863605eec2a5eb17bf84c7ac00166

SHA256
ba79ab7f63f02ed5d5d46b82b11d97dac5b7ef7e9b9a4df926b43ceac18483b6

SHA512
5e5e0319e701d15134a01cb6472c624e271e99891058aef4dfe779c29c73899771a5b6f8b1cd61b543a3b3defeaecaa080c9cc4e76e84038ca08e12084f128eb

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memory/948-82-0x00000000003E0000-0x00000000003E9000-memory.dmp

Filesize
36KB

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memory/948-78-0x00000000003E0000-0x00000000003E9000-memory.dmp

Filesize
36KB

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memory/948-59-0x0000000000000000-mapping.dmp

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memory/948-84-0x00000000003E0000-0x00000000003E9000-memory.dmp

Filesize
36KB

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memory/948-85-0x00000000003E0000-0x00000000003E9000-memory.dmp

Filesize
36KB

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memory/1516-75-0x0000000000000000-mapping.dmp

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memory/1992-54-0x0000000075281000-0x0000000075283000-memory.dmp

Filesize
8KB

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads