03f7b428c0db97100e9e80b5de88bcfec7d7dcd44fe73ac0ba6b2e19966e9b1c

Analysis

max time kernel
134s
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, 21:15

Sharing

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General

Target

03f7b428c0db97100e9e80b5de88bcfec7d7dcd44fe73ac0ba6b2e19966e9b1c.exe
Size

292KB
MD5

4f1e22e6db668dafcfcc9fc2ac598a46
SHA1

34b7d74d57510cb827b981d055e777558a3dfbcf
SHA256

03f7b428c0db97100e9e80b5de88bcfec7d7dcd44fe73ac0ba6b2e19966e9b1c
SHA512

46d47442473c32f6b7429fa6fb830d17c002a1442dd8d0f0a5f0caa614bcd683f13a7eff052906e4898592209ae472f611d38ef22366a01893eb7f3ba8b1b50c
SSDEEP

6144:sN+HTr4epupk3/4YIJ8m1MxUyRzoVOBlYQflIGf:sNgrZPP4BJTM6++OBlYERf

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

resource	yara_rule
behavioral1/files/0x000a0000000126d9-56.dat	aspack_v212_v242
behavioral1/files/0x000a0000000126d9-60.dat	aspack_v212_v242
behavioral1/files/0x0008000000013147-70.dat	aspack_v212_v242
behavioral1/files/0x0008000000013147-69.dat	aspack_v212_v242
behavioral1/files/0x000800000001334c-75.dat	aspack_v212_v242
behavioral1/files/0x000800000001334c-76.dat	aspack_v212_v242
behavioral1/files/0x00070000000133d0-81.dat	aspack_v212_v242
behavioral1/files/0x00070000000133d0-82.dat	aspack_v212_v242
behavioral1/files/0x00070000000133d8-86.dat	aspack_v212_v242
behavioral1/files/0x00070000000133d8-87.dat	aspack_v212_v242
behavioral1/files/0x00070000000133dd-92.dat	aspack_v212_v242
behavioral1/files/0x00070000000133dd-93.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
2020	0a532e3b.exe

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

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Ntmssvc\Parameters\ServiceDll = "C:\\Windows\\system32\\Ntmssvc.dll"	0a532e3b.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\NWCWorkstation\Parameters\ServiceDll = "C:\\Windows\\system32\\NWCWorkstation.dll"	0a532e3b.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\FastUserSwitchingCompatibility\Parameters\ServiceDll = "C:\\Windows\\system32\\FastUserSwitchingCompatibility.dll"	0a532e3b.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Ias\Parameters\ServiceDll = "C:\\Windows\\system32\\Ias.dll"	0a532e3b.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Irmon\Parameters\ServiceDll = "C:\\Windows\\system32\\Irmon.dll"	0a532e3b.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Nla\Parameters\ServiceDll = "C:\\Windows\\system32\\Nla.dll"	0a532e3b.exe

UPX packed file 30 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x000a0000000126d9-56.dat	upx
behavioral1/memory/1892-57-0x0000000000400000-0x0000000000460000-memory.dmp	upx
behavioral1/files/0x000a0000000126d9-60.dat	upx
behavioral1/memory/2020-62-0x00000000011D0000-0x000000000121E000-memory.dmp	upx
behavioral1/memory/2020-65-0x00000000011D0000-0x000000000121E000-memory.dmp	upx
behavioral1/memory/2020-64-0x00000000011D0000-0x000000000121E000-memory.dmp	upx
behavioral1/memory/2020-66-0x0000000000270000-0x00000000002BE000-memory.dmp	upx
behavioral1/files/0x0008000000013147-70.dat	upx
behavioral1/files/0x0008000000013147-69.dat	upx
behavioral1/memory/1328-72-0x0000000074E80000-0x0000000074ECE000-memory.dmp	upx
behavioral1/memory/1328-73-0x0000000074E80000-0x0000000074ECE000-memory.dmp	upx
behavioral1/memory/1328-74-0x0000000074E80000-0x0000000074ECE000-memory.dmp	upx
behavioral1/files/0x000800000001334c-75.dat	upx
behavioral1/files/0x000800000001334c-76.dat	upx
behavioral1/memory/1888-80-0x0000000074E20000-0x0000000074E6E000-memory.dmp	upx
behavioral1/files/0x00070000000133d0-81.dat	upx
behavioral1/files/0x00070000000133d0-82.dat	upx
behavioral1/files/0x00070000000133d8-86.dat	upx
behavioral1/files/0x00070000000133d8-87.dat	upx
behavioral1/memory/1708-90-0x0000000074E80000-0x0000000074ECE000-memory.dmp	upx
behavioral1/memory/1708-89-0x0000000074E80000-0x0000000074ECE000-memory.dmp	upx
behavioral1/memory/1708-91-0x0000000074E80000-0x0000000074ECE000-memory.dmp	upx
behavioral1/files/0x00070000000133dd-92.dat	upx
behavioral1/files/0x00070000000133dd-93.dat	upx
behavioral1/memory/300-96-0x0000000074E80000-0x0000000074ECE000-memory.dmp	upx
behavioral1/memory/300-95-0x0000000074E80000-0x0000000074ECE000-memory.dmp	upx
behavioral1/memory/300-97-0x0000000074E80000-0x0000000074ECE000-memory.dmp	upx
behavioral1/memory/2020-98-0x00000000011D0000-0x000000000121E000-memory.dmp	upx
behavioral1/memory/2020-99-0x0000000000270000-0x00000000002BE000-memory.dmp	upx
behavioral1/memory/2020-100-0x0000000000270000-0x00000000002BE000-memory.dmp	upx

Loads dropped DLL 5 IoCs

pid	Process
1328	svchost.exe
1888	svchost.exe
1404	svchost.exe
1708	svchost.exe
300	svchost.exe

Drops file in System32 directory 6 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Irmon.dll	0a532e3b.exe
File opened for modification	C:\Windows\SysWOW64\Nla.dll	0a532e3b.exe
File opened for modification	C:\Windows\SysWOW64\Ntmssvc.dll	0a532e3b.exe
File opened for modification	C:\Windows\SysWOW64\NWCWorkstation.dll	0a532e3b.exe
File opened for modification	C:\Windows\SysWOW64\FastUserSwitchingCompatibility.dll	0a532e3b.exe
File opened for modification	C:\Windows\SysWOW64\Ias.dll	0a532e3b.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2020	0a532e3b.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1892 wrote to memory of 2020	1892	03f7b428c0db97100e9e80b5de88bcfec7d7dcd44fe73ac0ba6b2e19966e9b1c.exe	28
PID 1892 wrote to memory of 2020	1892	03f7b428c0db97100e9e80b5de88bcfec7d7dcd44fe73ac0ba6b2e19966e9b1c.exe	28
PID 1892 wrote to memory of 2020	1892	03f7b428c0db97100e9e80b5de88bcfec7d7dcd44fe73ac0ba6b2e19966e9b1c.exe	28
PID 1892 wrote to memory of 2020	1892	03f7b428c0db97100e9e80b5de88bcfec7d7dcd44fe73ac0ba6b2e19966e9b1c.exe	28
PID 1892 wrote to memory of 2020	1892	03f7b428c0db97100e9e80b5de88bcfec7d7dcd44fe73ac0ba6b2e19966e9b1c.exe	28
PID 1892 wrote to memory of 2020	1892	03f7b428c0db97100e9e80b5de88bcfec7d7dcd44fe73ac0ba6b2e19966e9b1c.exe	28
PID 1892 wrote to memory of 2020	1892	03f7b428c0db97100e9e80b5de88bcfec7d7dcd44fe73ac0ba6b2e19966e9b1c.exe	28

C:\Users\Admin\AppData\Local\Temp\03f7b428c0db97100e9e80b5de88bcfec7d7dcd44fe73ac0ba6b2e19966e9b1c.exe
"C:\Users\Admin\AppData\Local\Temp\03f7b428c0db97100e9e80b5de88bcfec7d7dcd44fe73ac0ba6b2e19966e9b1c.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1892
- C:\0a532e3b.exe
  C:\0a532e3b.exe
  2⤵
  - Executes dropped EXE
  - Sets DLL path for service in the registry
  - Drops file in System32 directory
  - Suspicious behavior: EnumeratesProcesses
  PID:2020

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k netsvcs
1⤵
- Loads dropped DLL
PID:1328

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k netsvcs
1⤵
- Loads dropped DLL
PID:1888

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k netsvcs
1⤵
- Loads dropped DLL
PID:1404

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k netsvcs
1⤵
- Loads dropped DLL
PID:1708

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k netsvcs
1⤵
- Loads dropped DLL
PID:300

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

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Downloads

C:\0a532e3b.exe

Filesize
240KB

MD5
f5d2a6e81cd9b23d4899371b296b8a8c

SHA1
7b095e73b522c5a1b12e26ae389464c5c123bc8e

SHA256
775082343ef68119bf9bf671c677c981b68ed6f627ff5b8b4de414e2e9d29a42

SHA512
77842aae633daac864c148fdc5d40b22cc1dc9e3e0c0e81df7694d2c6e95bfb02bc18bb34c047bbf4b12dc24d14eb1b89acf75f43f547e311fe63730b6a54662

Download Submit
C:\0a532e3b.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/300-96-0x0000000074E80000-0x0000000074ECE000-memory.dmp

Filesize
312KB

Download
memory/300-95-0x0000000074E80000-0x0000000074ECE000-memory.dmp

Filesize
312KB

Download
memory/300-97-0x0000000074E80000-0x0000000074ECE000-memory.dmp

Filesize
312KB

Download
memory/1328-74-0x0000000074E80000-0x0000000074ECE000-memory.dmp

Filesize
312KB

Download
memory/1328-72-0x0000000074E80000-0x0000000074ECE000-memory.dmp

Filesize
312KB

Download
memory/1328-73-0x0000000074E80000-0x0000000074ECE000-memory.dmp

Filesize
312KB

Download
memory/1708-89-0x0000000074E80000-0x0000000074ECE000-memory.dmp

Filesize
312KB

Download
memory/1708-90-0x0000000074E80000-0x0000000074ECE000-memory.dmp

Filesize
312KB

Download
memory/1708-91-0x0000000074E80000-0x0000000074ECE000-memory.dmp

Filesize
312KB

Download
memory/1888-80-0x0000000074E20000-0x0000000074E6E000-memory.dmp

Filesize
312KB

Download
memory/1892-59-0x0000000000240000-0x00000000002A0000-memory.dmp

Filesize
384KB

Download
memory/1892-54-0x0000000075EC1000-0x0000000075EC3000-memory.dmp

Filesize
8KB

Download
memory/1892-57-0x0000000000400000-0x0000000000460000-memory.dmp

Filesize
384KB

Download
memory/1892-61-0x0000000000260000-0x00000000002AE000-memory.dmp

Filesize
312KB

Download
memory/2020-66-0x0000000000270000-0x00000000002BE000-memory.dmp

Filesize
312KB

Download
memory/2020-63-0x0000000000270000-0x00000000002BE000-memory.dmp

Filesize
312KB

Download
memory/2020-67-0x0000000002620000-0x0000000006620000-memory.dmp

Filesize
64.0MB

Download
memory/2020-62-0x00000000011D0000-0x000000000121E000-memory.dmp

Filesize
312KB

Download
memory/2020-65-0x00000000011D0000-0x000000000121E000-memory.dmp

Filesize
312KB

Download
memory/2020-68-0x0000000002620000-0x0000000006620000-memory.dmp

Filesize
64.0MB

Download
memory/2020-64-0x00000000011D0000-0x000000000121E000-memory.dmp

Filesize
312KB

Download
memory/2020-98-0x00000000011D0000-0x000000000121E000-memory.dmp

Filesize
312KB

Download
memory/2020-99-0x0000000000270000-0x00000000002BE000-memory.dmp

Filesize
312KB

Download
memory/2020-100-0x0000000000270000-0x00000000002BE000-memory.dmp

Filesize
312KB

Download