9622989ba2a94e2ec93bd3b0390d0d248ea73b20a980468bf0ad8968c76ea531

Analysis

max time kernel
149s
max time network
34s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
23-11-2022 21:14

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General

Target

9622989ba2a94e2ec93bd3b0390d0d248ea73b20a980468bf0ad8968c76ea531.exe
Size

289KB
MD5

7d01728cbf72830e8f1744a5eebcdac1
SHA1

8d56c754d4085fffdba9d653e9c290d325370423
SHA256

9622989ba2a94e2ec93bd3b0390d0d248ea73b20a980468bf0ad8968c76ea531
SHA512

515917037da7040cc73e69f0e7b44193c4fd9d617780f0f3b3e144ccdee97d81fa0f6fe1b3f736e4e0c43170f77a9fb5ca0c359cc32516047a3441465f94c04b
SSDEEP

6144:pchQ+R3/4YIJ8m1MxUyRzoVOBlYQflIGF:pch3RP4BJTM6++OBlYERF

Score

8^/10

aspackv2 persistence upx

Malware Config

Signatures

ASPack v2.12-2.42 14 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

Processes:

resource	yara_rule
C:\35523d14.exe	aspack_v212_v242
C:\35523d14.exe	aspack_v212_v242
\??\c:\windows\SysWOW64\fastuserswitchingcompatibility.dll	aspack_v212_v242
\Windows\SysWOW64\FastUserSwitchingCompatibility.dll	aspack_v212_v242
\??\c:\windows\SysWOW64\irmon.dll	aspack_v212_v242
\Windows\SysWOW64\Irmon.dll	aspack_v212_v242
\??\c:\windows\SysWOW64\nla.dll	aspack_v212_v242
\Windows\SysWOW64\Nla.dll	aspack_v212_v242
\??\c:\windows\SysWOW64\ntmssvc.dll	aspack_v212_v242
\Windows\SysWOW64\Ntmssvc.dll	aspack_v212_v242
\??\c:\windows\SysWOW64\nwcworkstation.dll	aspack_v212_v242
\Windows\SysWOW64\NWCWorkstation.dll	aspack_v212_v242
\??\c:\windows\SysWOW64\nwsapagent.dll	aspack_v212_v242
\Windows\SysWOW64\Nwsapagent.dll	aspack_v212_v242

Executes dropped EXE 1 IoCs

Processes:

35523d14.exe

pid process

1596 35523d14.exe

pid	process
1596	35523d14.exe

Sets DLL path for service in the registry 2 TTPs 7 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

35523d14.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Nla\Parameters\ServiceDll = "C:\\Windows\\system32\\Nla.dll"	35523d14.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Ntmssvc\Parameters\ServiceDll = "C:\\Windows\\system32\\Ntmssvc.dll"	35523d14.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\NWCWorkstation\Parameters\ServiceDll = "C:\\Windows\\system32\\NWCWorkstation.dll"	35523d14.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Nwsapagent\Parameters\ServiceDll = "C:\\Windows\\system32\\Nwsapagent.dll"	35523d14.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\FastUserSwitchingCompatibility\Parameters\ServiceDll = "C:\\Windows\\system32\\FastUserSwitchingCompatibility.dll"	35523d14.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Ias\Parameters\ServiceDll = "C:\\Windows\\system32\\Ias.dll"	35523d14.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Irmon\Parameters\ServiceDll = "C:\\Windows\\system32\\Irmon.dll"	35523d14.exe

UPX packed file 34 IoCs

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

upx

Processes:

resource	yara_rule
C:\35523d14.exe	upx
C:\35523d14.exe	upx
behavioral1/memory/1596-60-0x00000000002B0000-0x00000000002FE000-memory.dmp	upx
behavioral1/memory/1596-59-0x00000000002B0000-0x00000000002FE000-memory.dmp	upx
behavioral1/memory/1628-61-0x0000000000400000-0x0000000000461000-memory.dmp	upx
behavioral1/memory/1596-64-0x00000000002B0000-0x00000000002FE000-memory.dmp	upx
\??\c:\windows\SysWOW64\fastuserswitchingcompatibility.dll	upx
\Windows\SysWOW64\FastUserSwitchingCompatibility.dll	upx
behavioral1/memory/584-70-0x0000000074360000-0x00000000743AE000-memory.dmp	upx
behavioral1/memory/584-71-0x0000000074360000-0x00000000743AE000-memory.dmp	upx
behavioral1/memory/584-72-0x0000000074360000-0x00000000743AE000-memory.dmp	upx
\??\c:\windows\SysWOW64\irmon.dll	upx
\Windows\SysWOW64\Irmon.dll	upx
\??\c:\windows\SysWOW64\nla.dll	upx
\Windows\SysWOW64\Nla.dll	upx
behavioral1/memory/808-81-0x0000000074360000-0x00000000743AE000-memory.dmp	upx
behavioral1/memory/808-82-0x0000000074360000-0x00000000743AE000-memory.dmp	upx
behavioral1/memory/808-83-0x0000000074360000-0x00000000743AE000-memory.dmp	upx
\??\c:\windows\SysWOW64\ntmssvc.dll	upx
\Windows\SysWOW64\Ntmssvc.dll	upx
behavioral1/memory/1772-88-0x0000000074360000-0x00000000743AE000-memory.dmp	upx
behavioral1/memory/1772-87-0x0000000074360000-0x00000000743AE000-memory.dmp	upx
behavioral1/memory/1772-89-0x0000000074360000-0x00000000743AE000-memory.dmp	upx
behavioral1/memory/1596-90-0x00000000002B0000-0x00000000002FE000-memory.dmp	upx
\??\c:\windows\SysWOW64\nwcworkstation.dll	upx
\Windows\SysWOW64\NWCWorkstation.dll	upx
behavioral1/memory/552-94-0x0000000074360000-0x00000000743AE000-memory.dmp	upx
behavioral1/memory/552-95-0x0000000074360000-0x00000000743AE000-memory.dmp	upx
behavioral1/memory/552-96-0x0000000074360000-0x00000000743AE000-memory.dmp	upx
\??\c:\windows\SysWOW64\nwsapagent.dll	upx
\Windows\SysWOW64\Nwsapagent.dll	upx
behavioral1/memory/820-100-0x0000000074360000-0x00000000743AE000-memory.dmp	upx
behavioral1/memory/820-101-0x0000000074360000-0x00000000743AE000-memory.dmp	upx
behavioral1/memory/820-102-0x0000000074360000-0x00000000743AE000-memory.dmp	upx

Loads dropped DLL 6 IoCs

Processes:

svchost.exesvchost.exesvchost.exesvchost.exesvchost.exesvchost.exe

pid process

584 svchost.exe
1416 svchost.exe
808 svchost.exe
1772 svchost.exe
552 svchost.exe
820 svchost.exe

pid	process
584	svchost.exe
1416	svchost.exe
808	svchost.exe
1772	svchost.exe
552	svchost.exe
820	svchost.exe

Drops file in System32 directory 7 IoCs

Processes:

35523d14.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\FastUserSwitchingCompatibility.dll	35523d14.exe
File opened for modification	C:\Windows\SysWOW64\Ias.dll	35523d14.exe
File opened for modification	C:\Windows\SysWOW64\Irmon.dll	35523d14.exe
File opened for modification	C:\Windows\SysWOW64\Nla.dll	35523d14.exe
File opened for modification	C:\Windows\SysWOW64\Ntmssvc.dll	35523d14.exe
File opened for modification	C:\Windows\SysWOW64\NWCWorkstation.dll	35523d14.exe
File opened for modification	C:\Windows\SysWOW64\Nwsapagent.dll	35523d14.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

35523d14.exe

pid process

1596 35523d14.exe

pid	process
1596	35523d14.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

9622989ba2a94e2ec93bd3b0390d0d248ea73b20a980468bf0ad8968c76ea531.exe

description	pid	process	target process
PID 1628 wrote to memory of 1596	1628	9622989ba2a94e2ec93bd3b0390d0d248ea73b20a980468bf0ad8968c76ea531.exe	35523d14.exe
PID 1628 wrote to memory of 1596	1628	9622989ba2a94e2ec93bd3b0390d0d248ea73b20a980468bf0ad8968c76ea531.exe	35523d14.exe
PID 1628 wrote to memory of 1596	1628	9622989ba2a94e2ec93bd3b0390d0d248ea73b20a980468bf0ad8968c76ea531.exe	35523d14.exe
PID 1628 wrote to memory of 1596	1628	9622989ba2a94e2ec93bd3b0390d0d248ea73b20a980468bf0ad8968c76ea531.exe	35523d14.exe
PID 1628 wrote to memory of 1596	1628	9622989ba2a94e2ec93bd3b0390d0d248ea73b20a980468bf0ad8968c76ea531.exe	35523d14.exe
PID 1628 wrote to memory of 1596	1628	9622989ba2a94e2ec93bd3b0390d0d248ea73b20a980468bf0ad8968c76ea531.exe	35523d14.exe
PID 1628 wrote to memory of 1596	1628	9622989ba2a94e2ec93bd3b0390d0d248ea73b20a980468bf0ad8968c76ea531.exe	35523d14.exe

C:\Users\Admin\AppData\Local\Temp\9622989ba2a94e2ec93bd3b0390d0d248ea73b20a980468bf0ad8968c76ea531.exe
"C:\Users\Admin\AppData\Local\Temp\9622989ba2a94e2ec93bd3b0390d0d248ea73b20a980468bf0ad8968c76ea531.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1628

C:\35523d14.exe
C:\35523d14.exe
2⤵
- Executes dropped EXE
- Sets DLL path for service in the registry
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
PID:1596

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k netsvcs
1⤵
- Loads dropped DLL
PID:584

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k netsvcs
1⤵
PID:1924

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k netsvcs
1⤵
- Loads dropped DLL
PID:1416

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k netsvcs
1⤵
- Loads dropped DLL
PID:808

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k netsvcs
1⤵
- Loads dropped DLL
PID:1772

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k netsvcs
1⤵
- Loads dropped DLL
PID:552

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k netsvcs
1⤵
- Loads dropped DLL
PID:820

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\35523d14.exe

Filesize
240KB

MD5
f5d2a6e81cd9b23d4899371b296b8a8c

SHA1
7b095e73b522c5a1b12e26ae389464c5c123bc8e

SHA256
775082343ef68119bf9bf671c677c981b68ed6f627ff5b8b4de414e2e9d29a42

SHA512
77842aae633daac864c148fdc5d40b22cc1dc9e3e0c0e81df7694d2c6e95bfb02bc18bb34c047bbf4b12dc24d14eb1b89acf75f43f547e311fe63730b6a54662

Download Submit
C:\35523d14.exe

Filesize
240KB

MD5
f5d2a6e81cd9b23d4899371b296b8a8c

SHA1
7b095e73b522c5a1b12e26ae389464c5c123bc8e

SHA256
775082343ef68119bf9bf671c677c981b68ed6f627ff5b8b4de414e2e9d29a42

SHA512
77842aae633daac864c148fdc5d40b22cc1dc9e3e0c0e81df7694d2c6e95bfb02bc18bb34c047bbf4b12dc24d14eb1b89acf75f43f547e311fe63730b6a54662

Download Submit
\??\c:\windows\SysWOW64\fastuserswitchingcompatibility.dll

Filesize
240KB

MD5
e48f830a89ba95daf7650bb9b05bd117

SHA1
304e6666ad4a8e0329f7aa4646c34c5fe57d19fe

SHA256
046338af97e20aaf13aa5aa3c550a139a5f41ee3f22592497ab1f9b7c82786c6

SHA512
a462bea2fedd9135dd9b226b5b20cfd8172581d03b2c06acae4018ba8fba1c1e5f2d68f7e0ff860fd9269a02e36cc6c59e33b8c02f8168cd83e674ee074b3095

Download Submit
\??\c:\windows\SysWOW64\irmon.dll

Filesize
240KB

MD5
e48f830a89ba95daf7650bb9b05bd117

SHA1
304e6666ad4a8e0329f7aa4646c34c5fe57d19fe

SHA256
046338af97e20aaf13aa5aa3c550a139a5f41ee3f22592497ab1f9b7c82786c6

SHA512
a462bea2fedd9135dd9b226b5b20cfd8172581d03b2c06acae4018ba8fba1c1e5f2d68f7e0ff860fd9269a02e36cc6c59e33b8c02f8168cd83e674ee074b3095

Download Submit
\??\c:\windows\SysWOW64\nla.dll

Filesize
240KB

MD5
e48f830a89ba95daf7650bb9b05bd117

SHA1
304e6666ad4a8e0329f7aa4646c34c5fe57d19fe

SHA256
046338af97e20aaf13aa5aa3c550a139a5f41ee3f22592497ab1f9b7c82786c6

SHA512
a462bea2fedd9135dd9b226b5b20cfd8172581d03b2c06acae4018ba8fba1c1e5f2d68f7e0ff860fd9269a02e36cc6c59e33b8c02f8168cd83e674ee074b3095

Download Submit
\??\c:\windows\SysWOW64\ntmssvc.dll

Filesize
240KB

MD5
e48f830a89ba95daf7650bb9b05bd117

SHA1
304e6666ad4a8e0329f7aa4646c34c5fe57d19fe

SHA256
046338af97e20aaf13aa5aa3c550a139a5f41ee3f22592497ab1f9b7c82786c6

SHA512
a462bea2fedd9135dd9b226b5b20cfd8172581d03b2c06acae4018ba8fba1c1e5f2d68f7e0ff860fd9269a02e36cc6c59e33b8c02f8168cd83e674ee074b3095

Download Submit
\??\c:\windows\SysWOW64\nwcworkstation.dll

Filesize
240KB

MD5
e48f830a89ba95daf7650bb9b05bd117

SHA1
304e6666ad4a8e0329f7aa4646c34c5fe57d19fe

SHA256
046338af97e20aaf13aa5aa3c550a139a5f41ee3f22592497ab1f9b7c82786c6

SHA512
a462bea2fedd9135dd9b226b5b20cfd8172581d03b2c06acae4018ba8fba1c1e5f2d68f7e0ff860fd9269a02e36cc6c59e33b8c02f8168cd83e674ee074b3095

Download Submit
\??\c:\windows\SysWOW64\nwsapagent.dll

Filesize
240KB

MD5
e48f830a89ba95daf7650bb9b05bd117

SHA1
304e6666ad4a8e0329f7aa4646c34c5fe57d19fe

SHA256
046338af97e20aaf13aa5aa3c550a139a5f41ee3f22592497ab1f9b7c82786c6

SHA512
a462bea2fedd9135dd9b226b5b20cfd8172581d03b2c06acae4018ba8fba1c1e5f2d68f7e0ff860fd9269a02e36cc6c59e33b8c02f8168cd83e674ee074b3095

Download Submit
\Windows\SysWOW64\FastUserSwitchingCompatibility.dll

Filesize
240KB

MD5
e48f830a89ba95daf7650bb9b05bd117

SHA1
304e6666ad4a8e0329f7aa4646c34c5fe57d19fe

SHA256
046338af97e20aaf13aa5aa3c550a139a5f41ee3f22592497ab1f9b7c82786c6

SHA512
a462bea2fedd9135dd9b226b5b20cfd8172581d03b2c06acae4018ba8fba1c1e5f2d68f7e0ff860fd9269a02e36cc6c59e33b8c02f8168cd83e674ee074b3095

Download Submit
\Windows\SysWOW64\Irmon.dll

Filesize
240KB

MD5
e48f830a89ba95daf7650bb9b05bd117

SHA1
304e6666ad4a8e0329f7aa4646c34c5fe57d19fe

SHA256
046338af97e20aaf13aa5aa3c550a139a5f41ee3f22592497ab1f9b7c82786c6

SHA512
a462bea2fedd9135dd9b226b5b20cfd8172581d03b2c06acae4018ba8fba1c1e5f2d68f7e0ff860fd9269a02e36cc6c59e33b8c02f8168cd83e674ee074b3095

Download Submit
\Windows\SysWOW64\NWCWorkstation.dll

Filesize
240KB

MD5
e48f830a89ba95daf7650bb9b05bd117

SHA1
304e6666ad4a8e0329f7aa4646c34c5fe57d19fe

SHA256
046338af97e20aaf13aa5aa3c550a139a5f41ee3f22592497ab1f9b7c82786c6

SHA512
a462bea2fedd9135dd9b226b5b20cfd8172581d03b2c06acae4018ba8fba1c1e5f2d68f7e0ff860fd9269a02e36cc6c59e33b8c02f8168cd83e674ee074b3095

Download Submit
\Windows\SysWOW64\Nla.dll

Filesize
240KB

MD5
e48f830a89ba95daf7650bb9b05bd117

SHA1
304e6666ad4a8e0329f7aa4646c34c5fe57d19fe

SHA256
046338af97e20aaf13aa5aa3c550a139a5f41ee3f22592497ab1f9b7c82786c6

SHA512
a462bea2fedd9135dd9b226b5b20cfd8172581d03b2c06acae4018ba8fba1c1e5f2d68f7e0ff860fd9269a02e36cc6c59e33b8c02f8168cd83e674ee074b3095

Download Submit
\Windows\SysWOW64\Ntmssvc.dll

Filesize
240KB

MD5
e48f830a89ba95daf7650bb9b05bd117

SHA1
304e6666ad4a8e0329f7aa4646c34c5fe57d19fe

SHA256
046338af97e20aaf13aa5aa3c550a139a5f41ee3f22592497ab1f9b7c82786c6

SHA512
a462bea2fedd9135dd9b226b5b20cfd8172581d03b2c06acae4018ba8fba1c1e5f2d68f7e0ff860fd9269a02e36cc6c59e33b8c02f8168cd83e674ee074b3095

Download Submit
\Windows\SysWOW64\Nwsapagent.dll

Filesize
240KB

MD5
e48f830a89ba95daf7650bb9b05bd117

SHA1
304e6666ad4a8e0329f7aa4646c34c5fe57d19fe

SHA256
046338af97e20aaf13aa5aa3c550a139a5f41ee3f22592497ab1f9b7c82786c6

SHA512
a462bea2fedd9135dd9b226b5b20cfd8172581d03b2c06acae4018ba8fba1c1e5f2d68f7e0ff860fd9269a02e36cc6c59e33b8c02f8168cd83e674ee074b3095

Download Submit
memory/552-94-0x0000000074360000-0x00000000743AE000-memory.dmp

Filesize
312KB

Download
memory/552-95-0x0000000074360000-0x00000000743AE000-memory.dmp

Filesize
312KB

Download
memory/552-96-0x0000000074360000-0x00000000743AE000-memory.dmp

Filesize
312KB

Download
memory/584-70-0x0000000074360000-0x00000000743AE000-memory.dmp

Filesize
312KB

Download
memory/584-71-0x0000000074360000-0x00000000743AE000-memory.dmp

Filesize
312KB

Download
memory/584-72-0x0000000074360000-0x00000000743AE000-memory.dmp

Filesize
312KB

Download
memory/808-81-0x0000000074360000-0x00000000743AE000-memory.dmp

Filesize
312KB

Download
memory/808-82-0x0000000074360000-0x00000000743AE000-memory.dmp

Filesize
312KB

Download
memory/808-83-0x0000000074360000-0x00000000743AE000-memory.dmp

Filesize
312KB

Download
memory/820-101-0x0000000074360000-0x00000000743AE000-memory.dmp

Filesize
312KB

Download
memory/820-100-0x0000000074360000-0x00000000743AE000-memory.dmp

Filesize
312KB

Download
memory/820-102-0x0000000074360000-0x00000000743AE000-memory.dmp

Filesize
312KB

Download
memory/1596-64-0x00000000002B0000-0x00000000002FE000-memory.dmp

Filesize
312KB

Download
memory/1596-55-0x0000000000000000-mapping.dmp

Download
memory/1596-66-0x0000000001E60000-0x0000000005E60000-memory.dmp

Filesize
64.0MB

Download
memory/1596-90-0x00000000002B0000-0x00000000002FE000-memory.dmp

Filesize
312KB

Download
memory/1596-59-0x00000000002B0000-0x00000000002FE000-memory.dmp

Filesize
312KB

Download
memory/1596-60-0x00000000002B0000-0x00000000002FE000-memory.dmp

Filesize
312KB

Download
memory/1596-65-0x0000000001E60000-0x0000000005E60000-memory.dmp

Filesize
64.0MB

Download
memory/1628-62-0x00000000002A0000-0x0000000000301000-memory.dmp

Filesize
388KB

Download
memory/1628-61-0x0000000000400000-0x0000000000461000-memory.dmp

Filesize
388KB

Download
memory/1628-54-0x00000000757B1000-0x00000000757B3000-memory.dmp

Filesize
8KB

Download
memory/1628-63-0x00000000003A0000-0x00000000003EE000-memory.dmp

Filesize
312KB

Download
memory/1772-89-0x0000000074360000-0x00000000743AE000-memory.dmp

Filesize
312KB

Download
memory/1772-87-0x0000000074360000-0x00000000743AE000-memory.dmp

Filesize
312KB

Download
memory/1772-88-0x0000000074360000-0x00000000743AE000-memory.dmp

Filesize
312KB

Download