a867830b7da22184d3807ab733a7ce564c4361d4e3dd71b2e8e4d4641cdc7413

Analysis

max time kernel
135s
max time network
33s
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

a867830b7da22184d3807ab733a7ce564c4361d4e3dd71b2e8e4d4641cdc7413.exe
Size

289KB
MD5

f20fdfa318f6faab614cf029600b4d97
SHA1

bfebfeb048b3c3064535c87f7a897ef11e560941
SHA256

a867830b7da22184d3807ab733a7ce564c4361d4e3dd71b2e8e4d4641cdc7413
SHA512

810c2f839fa8d0ae23750675d94e3f44ab66520266088e58e3924cfcdc608dce6f4bf14d86c7d5f5806a2ee4efb52561dc1263215c010515b2a8a504adfa900b
SSDEEP

6144:pchQ+73/4YIJ8m1MxUyRzoVOBlYQflIGr:pch37P4BJTM6++OBlYERr

Score

8^/10

aspackv2 persistence upx

Malware Config

Signatures

ASPack v2.12-2.42 12 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

Processes:

resource	yara_rule
C:\0aea2c7f.exe	aspack_v212_v242
C:\0aea2c7f.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

Executes dropped EXE 1 IoCs

Processes:

0aea2c7f.exe

pid process

680 0aea2c7f.exe

pid	process
680	0aea2c7f.exe

Sets DLL path for service in the registry 2 TTPs 6 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0aea2c7f.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\FastUserSwitchingCompatibility\Parameters\ServiceDll = "C:\\Windows\\system32\\FastUserSwitchingCompatibility.dll"	0aea2c7f.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Ias\Parameters\ServiceDll = "C:\\Windows\\system32\\Ias.dll"	0aea2c7f.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Irmon\Parameters\ServiceDll = "C:\\Windows\\system32\\Irmon.dll"	0aea2c7f.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Nla\Parameters\ServiceDll = "C:\\Windows\\system32\\Nla.dll"	0aea2c7f.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Ntmssvc\Parameters\ServiceDll = "C:\\Windows\\system32\\Ntmssvc.dll"	0aea2c7f.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\NWCWorkstation\Parameters\ServiceDll = "C:\\Windows\\system32\\NWCWorkstation.dll"	0aea2c7f.exe

UPX packed file 31 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/1656-55-0x0000000000400000-0x0000000000461000-memory.dmp	upx
C:\0aea2c7f.exe	upx
C:\0aea2c7f.exe	upx
behavioral1/memory/680-61-0x0000000001340000-0x000000000138E000-memory.dmp	upx
behavioral1/memory/680-60-0x0000000001340000-0x000000000138E000-memory.dmp	upx
behavioral1/memory/1656-62-0x00000000002F0000-0x0000000000351000-memory.dmp	upx
behavioral1/memory/680-65-0x0000000001340000-0x000000000138E000-memory.dmp	upx
behavioral1/memory/1656-67-0x0000000000400000-0x0000000000461000-memory.dmp	upx
\??\c:\windows\SysWOW64\fastuserswitchingcompatibility.dll	upx
behavioral1/memory/1324-74-0x0000000074F30000-0x0000000074F7E000-memory.dmp	upx
behavioral1/memory/1324-73-0x0000000074F30000-0x0000000074F7E000-memory.dmp	upx
\Windows\SysWOW64\FastUserSwitchingCompatibility.dll	upx
behavioral1/memory/1324-75-0x0000000074F30000-0x0000000074F7E000-memory.dmp	upx
\??\c:\windows\SysWOW64\irmon.dll	upx
\Windows\SysWOW64\Irmon.dll	upx
behavioral1/memory/1364-79-0x0000000074F30000-0x0000000074F7E000-memory.dmp	upx
behavioral1/memory/1364-80-0x0000000074F30000-0x0000000074F7E000-memory.dmp	upx
behavioral1/memory/1364-81-0x0000000074F30000-0x0000000074F7E000-memory.dmp	upx
\??\c:\windows\SysWOW64\nla.dll	upx
\Windows\SysWOW64\Nla.dll	upx
behavioral1/memory/1552-86-0x0000000074F30000-0x0000000074F7E000-memory.dmp	upx
behavioral1/memory/1552-85-0x0000000074F30000-0x0000000074F7E000-memory.dmp	upx
behavioral1/memory/1552-87-0x0000000074F30000-0x0000000074F7E000-memory.dmp	upx
\??\c:\windows\SysWOW64\ntmssvc.dll	upx
\Windows\SysWOW64\Ntmssvc.dll	upx
behavioral1/memory/1344-92-0x0000000074F30000-0x0000000074F7E000-memory.dmp	upx
behavioral1/memory/1344-91-0x0000000074F30000-0x0000000074F7E000-memory.dmp	upx
behavioral1/memory/1344-93-0x0000000074F30000-0x0000000074F7E000-memory.dmp	upx
\??\c:\windows\SysWOW64\nwcworkstation.dll	upx
\Windows\SysWOW64\NWCWorkstation.dll	upx
behavioral1/memory/680-99-0x0000000001340000-0x000000000138E000-memory.dmp	upx

Loads dropped DLL 5 IoCs

Processes:

svchost.exesvchost.exesvchost.exesvchost.exesvchost.exe

pid process

1324 svchost.exe
1364 svchost.exe
1552 svchost.exe
1344 svchost.exe
1860 svchost.exe

pid	process
1324	svchost.exe
1364	svchost.exe
1552	svchost.exe
1344	svchost.exe
1860	svchost.exe

Drops file in System32 directory 6 IoCs

Processes:

0aea2c7f.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\FastUserSwitchingCompatibility.dll	0aea2c7f.exe
File opened for modification	C:\Windows\SysWOW64\Ias.dll	0aea2c7f.exe
File opened for modification	C:\Windows\SysWOW64\Irmon.dll	0aea2c7f.exe
File opened for modification	C:\Windows\SysWOW64\Nla.dll	0aea2c7f.exe
File opened for modification	C:\Windows\SysWOW64\Ntmssvc.dll	0aea2c7f.exe
File opened for modification	C:\Windows\SysWOW64\NWCWorkstation.dll	0aea2c7f.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

0aea2c7f.exe

pid process

680 0aea2c7f.exe

pid	process
680	0aea2c7f.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

a867830b7da22184d3807ab733a7ce564c4361d4e3dd71b2e8e4d4641cdc7413.exe

description	pid	process	target process
PID 1656 wrote to memory of 680	1656	a867830b7da22184d3807ab733a7ce564c4361d4e3dd71b2e8e4d4641cdc7413.exe	0aea2c7f.exe
PID 1656 wrote to memory of 680	1656	a867830b7da22184d3807ab733a7ce564c4361d4e3dd71b2e8e4d4641cdc7413.exe	0aea2c7f.exe
PID 1656 wrote to memory of 680	1656	a867830b7da22184d3807ab733a7ce564c4361d4e3dd71b2e8e4d4641cdc7413.exe	0aea2c7f.exe
PID 1656 wrote to memory of 680	1656	a867830b7da22184d3807ab733a7ce564c4361d4e3dd71b2e8e4d4641cdc7413.exe	0aea2c7f.exe
PID 1656 wrote to memory of 680	1656	a867830b7da22184d3807ab733a7ce564c4361d4e3dd71b2e8e4d4641cdc7413.exe	0aea2c7f.exe
PID 1656 wrote to memory of 680	1656	a867830b7da22184d3807ab733a7ce564c4361d4e3dd71b2e8e4d4641cdc7413.exe	0aea2c7f.exe
PID 1656 wrote to memory of 680	1656	a867830b7da22184d3807ab733a7ce564c4361d4e3dd71b2e8e4d4641cdc7413.exe	0aea2c7f.exe

C:\Users\Admin\AppData\Local\Temp\a867830b7da22184d3807ab733a7ce564c4361d4e3dd71b2e8e4d4641cdc7413.exe
"C:\Users\Admin\AppData\Local\Temp\a867830b7da22184d3807ab733a7ce564c4361d4e3dd71b2e8e4d4641cdc7413.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1656

C:\0aea2c7f.exe
C:\0aea2c7f.exe
2⤵
- Executes dropped EXE
- Sets DLL path for service in the registry
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
PID:680

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k netsvcs
1⤵
- Loads dropped DLL
PID:1324

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k netsvcs
1⤵
PID:564

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k netsvcs
1⤵
- Loads dropped DLL
PID:1364

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k netsvcs
1⤵
- Loads dropped DLL
PID:1552

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k netsvcs
1⤵
- Loads dropped DLL
PID:1344

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k netsvcs
1⤵
- Loads dropped DLL
PID:1860

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

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Downloads

C:\0aea2c7f.exe
Filesize
240KB

MD5
f5d2a6e81cd9b23d4899371b296b8a8c

SHA1
7b095e73b522c5a1b12e26ae389464c5c123bc8e

SHA256
775082343ef68119bf9bf671c677c981b68ed6f627ff5b8b4de414e2e9d29a42

SHA512
77842aae633daac864c148fdc5d40b22cc1dc9e3e0c0e81df7694d2c6e95bfb02bc18bb34c047bbf4b12dc24d14eb1b89acf75f43f547e311fe63730b6a54662

Download Submit
C:\0aea2c7f.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
\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
memory/680-60-0x0000000001340000-0x000000000138E000-memory.dmp

Filesize
312KB

Download
memory/680-61-0x0000000001340000-0x000000000138E000-memory.dmp

Filesize
312KB

Download
memory/680-69-0x0000000002790000-0x0000000006790000-memory.dmp

Filesize
64.0MB

Download
memory/680-66-0x0000000002790000-0x0000000006790000-memory.dmp

Filesize
64.0MB

Download
memory/680-99-0x0000000001340000-0x000000000138E000-memory.dmp

Filesize
312KB

Download
memory/680-56-0x0000000000000000-mapping.dmp

Download
memory/680-65-0x0000000001340000-0x000000000138E000-memory.dmp

Filesize
312KB

Download
memory/1324-75-0x0000000074F30000-0x0000000074F7E000-memory.dmp

Filesize
312KB

Download
memory/1324-73-0x0000000074F30000-0x0000000074F7E000-memory.dmp

Filesize
312KB

Download
memory/1324-74-0x0000000074F30000-0x0000000074F7E000-memory.dmp

Filesize
312KB

Download
memory/1344-92-0x0000000074F30000-0x0000000074F7E000-memory.dmp

Filesize
312KB

Download
memory/1344-91-0x0000000074F30000-0x0000000074F7E000-memory.dmp

Filesize
312KB

Download
memory/1344-93-0x0000000074F30000-0x0000000074F7E000-memory.dmp

Filesize
312KB

Download
memory/1364-79-0x0000000074F30000-0x0000000074F7E000-memory.dmp

Filesize
312KB

Download
memory/1364-80-0x0000000074F30000-0x0000000074F7E000-memory.dmp

Filesize
312KB

Download
memory/1364-81-0x0000000074F30000-0x0000000074F7E000-memory.dmp

Filesize
312KB

Download
memory/1552-86-0x0000000074F30000-0x0000000074F7E000-memory.dmp

Filesize
312KB

Download
memory/1552-87-0x0000000074F30000-0x0000000074F7E000-memory.dmp

Filesize
312KB

Download
memory/1552-85-0x0000000074F30000-0x0000000074F7E000-memory.dmp

Filesize
312KB

Download
memory/1656-54-0x00000000767D1000-0x00000000767D3000-memory.dmp

Filesize
8KB

Download
memory/1656-68-0x00000000002F0000-0x0000000000351000-memory.dmp

Filesize
388KB

Download
memory/1656-67-0x0000000000400000-0x0000000000461000-memory.dmp

Filesize
388KB

Download
memory/1656-64-0x0000000000340000-0x000000000038E000-memory.dmp

Filesize
312KB

Download
memory/1656-63-0x00000000002F0000-0x0000000000351000-memory.dmp

Filesize
388KB

Download
memory/1656-62-0x00000000002F0000-0x0000000000351000-memory.dmp

Filesize
388KB

Download
memory/1656-55-0x0000000000400000-0x0000000000461000-memory.dmp

Filesize
388KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads