7d2c25cc02002045dc1da6a47c1bd38a3621a0b2f7e1dcf15ecbfba048ce0f80

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
13/01/2024, 11:15

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General

Target

58c8444996386b67cb027fa671eab46d.exe
Size

251KB
MD5

58c8444996386b67cb027fa671eab46d
SHA1

059133bdcb0c067a8a455c5f06d640978774ff57
SHA256

7d2c25cc02002045dc1da6a47c1bd38a3621a0b2f7e1dcf15ecbfba048ce0f80
SHA512

35ce7a654ded45a426c116f37cfedfb0336c781556fe3213610503772e32b206764eec49a50b32e094393d9775a83a35c7f5caa9b2c29e0af642902ccd8f26e0
SSDEEP

6144:SzclRDvO4SIA1AT+UBiPVCi55bdbP9GwCUKMCux:nbDvJAmTs9C+hGaCk

Score

8^/10

aspackv2 persistence upx

Malware Config

Signatures

Sets DLL path for service in the registry 2 TTPs 14 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\helpsvc\Parameters\ServiceDll = "C:\\Windows\\system32\\helpsvc.dll"	35761de5.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\FastUserSwitchingCompatibility\Parameters\ServiceDll = "C:\\Windows\\system32\\FastUserSwitchingCompatibility.dll"	35761de5.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\NWCWorkstation\Parameters\ServiceDll = "C:\\Windows\\system32\\NWCWorkstation.dll"	35761de5.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\LogonHours\Parameters\ServiceDll = "C:\\Windows\\system32\\LogonHours.dll"	35761de5.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\PCAudit\Parameters\ServiceDll = "C:\\Windows\\system32\\PCAudit.dll"	35761de5.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Ias\Parameters\ServiceDll = "C:\\Windows\\system32\\Ias.dll"	35761de5.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Ntmssvc\Parameters\ServiceDll = "C:\\Windows\\system32\\Ntmssvc.dll"	35761de5.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Nwsapagent\Parameters\ServiceDll = "C:\\Windows\\system32\\Nwsapagent.dll"	35761de5.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\uploadmgr\Parameters\ServiceDll = "C:\\Windows\\system32\\uploadmgr.dll"	35761de5.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Irmon\Parameters\ServiceDll = "C:\\Windows\\system32\\Irmon.dll"	35761de5.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Nla\Parameters\ServiceDll = "C:\\Windows\\system32\\Nla.dll"	35761de5.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Wmi\Parameters\ServiceDll = "C:\\Windows\\system32\\Wmi.dll"	35761de5.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SRService\Parameters\ServiceDll = "C:\\Windows\\system32\\SRService.dll"	35761de5.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\WmdmPmSp\Parameters\ServiceDll = "C:\\Windows\\system32\\WmdmPmSp.dll"	35761de5.exe

ASPack v2.12-2.42 2 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

resource	yara_rule
behavioral2/files/0x000600000001e5df-3.dat	aspack_v212_v242
behavioral2/files/0x0006000000023236-11.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
4440	35761de5.exe

Loads dropped DLL 12 IoCs

pid	Process
528	svchost.exe
2704	svchost.exe
3216	svchost.exe
5092	svchost.exe
1308	svchost.exe
468	svchost.exe
3980	svchost.exe
4904	svchost.exe
4600	svchost.exe
3556	svchost.exe
4024	svchost.exe
4832	svchost.exe

UPX packed file 49 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4032-0-0x0000000000400000-0x0000000000441000-memory.dmp	upx
behavioral2/files/0x000600000001e5df-3.dat	upx
behavioral2/memory/4440-5-0x00000000009F0000-0x0000000000A3D000-memory.dmp	upx
behavioral2/memory/4440-7-0x00000000009F0000-0x0000000000A3D000-memory.dmp	upx
behavioral2/memory/4440-6-0x00000000009F0000-0x0000000000A3D000-memory.dmp	upx
behavioral2/files/0x0006000000023236-11.dat	upx
behavioral2/memory/528-12-0x0000000074F60000-0x0000000074FAD000-memory.dmp	upx
behavioral2/memory/528-15-0x0000000074F60000-0x0000000074FAD000-memory.dmp	upx
behavioral2/memory/528-14-0x0000000074F60000-0x0000000074FAD000-memory.dmp	upx
behavioral2/memory/528-13-0x0000000074F60000-0x0000000074FAD000-memory.dmp	upx
behavioral2/memory/2704-20-0x0000000074F60000-0x0000000074FAD000-memory.dmp	upx
behavioral2/memory/2704-19-0x0000000074F60000-0x0000000074FAD000-memory.dmp	upx
behavioral2/memory/2704-21-0x0000000074F60000-0x0000000074FAD000-memory.dmp	upx
behavioral2/memory/3216-27-0x0000000074F60000-0x0000000074FAD000-memory.dmp	upx
behavioral2/memory/3216-28-0x0000000074F60000-0x0000000074FAD000-memory.dmp	upx
behavioral2/memory/3216-26-0x0000000074F60000-0x0000000074FAD000-memory.dmp	upx
behavioral2/memory/3216-29-0x0000000074F60000-0x0000000074FAD000-memory.dmp	upx
behavioral2/memory/4440-30-0x00000000009F0000-0x0000000000A3D000-memory.dmp	upx
behavioral2/memory/5092-34-0x0000000074F60000-0x0000000074FAD000-memory.dmp	upx
behavioral2/memory/5092-35-0x0000000074F60000-0x0000000074FAD000-memory.dmp	upx
behavioral2/memory/5092-36-0x0000000074F60000-0x0000000074FAD000-memory.dmp	upx
behavioral2/memory/5092-37-0x0000000074F60000-0x0000000074FAD000-memory.dmp	upx
behavioral2/memory/1308-41-0x0000000074F60000-0x0000000074FAD000-memory.dmp	upx
behavioral2/memory/1308-42-0x0000000074F60000-0x0000000074FAD000-memory.dmp	upx
behavioral2/memory/4032-43-0x0000000000400000-0x0000000000441000-memory.dmp	upx
behavioral2/memory/1308-45-0x0000000074F60000-0x0000000074FAD000-memory.dmp	upx
behavioral2/memory/468-50-0x0000000074F60000-0x0000000074FAD000-memory.dmp	upx
behavioral2/memory/468-49-0x0000000074F60000-0x0000000074FAD000-memory.dmp	upx
behavioral2/memory/468-51-0x0000000074F60000-0x0000000074FAD000-memory.dmp	upx
behavioral2/memory/3980-57-0x0000000074F60000-0x0000000074FAD000-memory.dmp	upx
behavioral2/memory/3980-56-0x0000000074F60000-0x0000000074FAD000-memory.dmp	upx
behavioral2/memory/3980-58-0x0000000074F60000-0x0000000074FAD000-memory.dmp	upx
behavioral2/memory/4904-63-0x0000000074F60000-0x0000000074FAD000-memory.dmp	upx
behavioral2/memory/4904-64-0x0000000074F60000-0x0000000074FAD000-memory.dmp	upx
behavioral2/memory/4904-62-0x0000000074F60000-0x0000000074FAD000-memory.dmp	upx
behavioral2/memory/4904-65-0x0000000074F60000-0x0000000074FAD000-memory.dmp	upx
behavioral2/memory/4600-74-0x0000000074F50000-0x0000000074F9D000-memory.dmp	upx
behavioral2/memory/4600-75-0x0000000074F50000-0x0000000074F9D000-memory.dmp	upx
behavioral2/memory/4600-73-0x0000000074F50000-0x0000000074F9D000-memory.dmp	upx
behavioral2/memory/4600-76-0x0000000074F50000-0x0000000074F9D000-memory.dmp	upx
behavioral2/memory/3556-80-0x0000000074F50000-0x0000000074F9D000-memory.dmp	upx
behavioral2/memory/3556-83-0x0000000074F50000-0x0000000074F9D000-memory.dmp	upx
behavioral2/memory/3556-82-0x0000000074F50000-0x0000000074F9D000-memory.dmp	upx
behavioral2/memory/4024-89-0x0000000074F50000-0x0000000074F9D000-memory.dmp	upx
behavioral2/memory/4024-91-0x0000000074F50000-0x0000000074F9D000-memory.dmp	upx
behavioral2/memory/4024-90-0x0000000074F50000-0x0000000074F9D000-memory.dmp	upx
behavioral2/memory/4832-95-0x0000000074F50000-0x0000000074F9D000-memory.dmp	upx
behavioral2/memory/4832-98-0x0000000074F50000-0x0000000074F9D000-memory.dmp	upx
behavioral2/memory/4832-97-0x0000000074F50000-0x0000000074F9D000-memory.dmp	upx

Drops file in System32 directory 14 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\LogonHours.dll	35761de5.exe
File opened for modification	C:\Windows\SysWOW64\uploadmgr.dll	35761de5.exe
File opened for modification	C:\Windows\SysWOW64\Nla.dll	35761de5.exe
File opened for modification	C:\Windows\SysWOW64\Wmi.dll	35761de5.exe
File opened for modification	C:\Windows\SysWOW64\WmdmPmSp.dll	35761de5.exe
File opened for modification	C:\Windows\SysWOW64\Irmon.dll	35761de5.exe
File opened for modification	C:\Windows\SysWOW64\NWCWorkstation.dll	35761de5.exe
File opened for modification	C:\Windows\SysWOW64\Nwsapagent.dll	35761de5.exe
File opened for modification	C:\Windows\SysWOW64\PCAudit.dll	35761de5.exe
File opened for modification	C:\Windows\SysWOW64\FastUserSwitchingCompatibility.dll	35761de5.exe
File opened for modification	C:\Windows\SysWOW64\Ias.dll	35761de5.exe
File opened for modification	C:\Windows\SysWOW64\Ntmssvc.dll	35761de5.exe
File opened for modification	C:\Windows\SysWOW64\SRService.dll	35761de5.exe
File opened for modification	C:\Windows\SysWOW64\helpsvc.dll	35761de5.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4440	35761de5.exe
4440	35761de5.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4032 wrote to memory of 4440	4032	58c8444996386b67cb027fa671eab46d.exe	88
PID 4032 wrote to memory of 4440	4032	58c8444996386b67cb027fa671eab46d.exe	88
PID 4032 wrote to memory of 4440	4032	58c8444996386b67cb027fa671eab46d.exe	88
PID 4032 wrote to memory of 4924	4032	58c8444996386b67cb027fa671eab46d.exe	109
PID 4032 wrote to memory of 4924	4032	58c8444996386b67cb027fa671eab46d.exe	109
PID 4032 wrote to memory of 4924	4032	58c8444996386b67cb027fa671eab46d.exe	109
PID 4924 wrote to memory of 924	4924	cmd.exe	110
PID 4924 wrote to memory of 924	4924	cmd.exe	110
PID 4924 wrote to memory of 924	4924	cmd.exe	110

C:\Users\Admin\AppData\Local\Temp\58c8444996386b67cb027fa671eab46d.exe
"C:\Users\Admin\AppData\Local\Temp\58c8444996386b67cb027fa671eab46d.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4032
- C:\35761de5.exe
  C:\35761de5.exe
  2⤵
  - Sets DLL path for service in the registry
  - Executes dropped EXE
  - Drops file in System32 directory
  - Suspicious behavior: EnumeratesProcesses
  PID:4440
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\240633468.bat
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4924
- - C:\Windows\SysWOW64\mode.com
    mode con cols=50 lines=15
    3⤵
    PID:924

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k netsvcs -s FastUserSwitchingCompatibility
1⤵
- Loads dropped DLL
PID:528

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k netsvcs -s Irmon
1⤵
- Loads dropped DLL
PID:2704

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k netsvcs -s Nla
1⤵
- Loads dropped DLL
PID:3216

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k netsvcs -s Ntmssvc
1⤵
- Loads dropped DLL
PID:5092

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k netsvcs -s NWCWorkstation
1⤵
- Loads dropped DLL
PID:1308

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k netsvcs -s Nwsapagent
1⤵
- Loads dropped DLL
PID:468

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k netsvcs -s SRService
1⤵
- Loads dropped DLL
PID:3980

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k netsvcs -s WmdmPmSp
1⤵
- Loads dropped DLL
PID:4904

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k netsvcs -s LogonHours
1⤵
- Loads dropped DLL
PID:4600

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k netsvcs -s PCAudit
1⤵
- Loads dropped DLL
PID:3556

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k netsvcs -s helpsvc
1⤵
- Loads dropped DLL
PID:4024

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k netsvcs -s uploadmgr
1⤵
- Loads dropped DLL
PID:4832

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\35761de5.exe

Filesize
237KB

MD5
2f85e77cf24aeccc9b45fbb8111e8281

SHA1
733527ebc2cd96d8959687f82981ee53edba06be

SHA256
91d4ded63ae059c700b3f914fa8f3d801f64de851541ef3c8b94092bba9a5049

SHA512
4ccfaea2354e1d8058585ee56f886a6d337c297443a92a8e016c0978984b0690b73386b220dd82f29f8446d05160ed30f06d35f75914f5608296a31ae35e4378

Download Submit
C:\Users\Admin\AppData\Local\Temp\240633468.bat

Filesize
4KB

MD5
7e2e585c605c6e2c04a7cb041a2b577f

SHA1
bc8aa58b04f8e41cf10ff8a4dcc17099c5a3e891

SHA256
4ef02a35dc8f447e59ddcac97180ef923192e5b64a7368853edb0e17fc25b6c5

SHA512
fb0808d1e8034794be2053f3102bac18fcd7e38227cc5042ae856306407526ed55cff6a412d6a5b1253b1a0cf42cf96f621447228cfe46ae5eec2596d51e4c77

Download Submit
C:\Windows\SysWOW64\FastUserSwitchingCompatibility.dll

Filesize
237KB

MD5
9998f3c081fe4f1868a46f19ba376b45

SHA1
cc945a970dd893abeb80996ea748eeec907db5ae

SHA256
2793e4b88b0c946f4874e2feb0b2cbf0b8c48627b867f12efdcb4697993476be

SHA512
07d5249eccf7b27c3c0e980fcb27d6397e4c50a17d0cd02bf663b263b56858a51ba39068b649b6354bba130c27fa881ef8adc95b42e242f0a6afe6388d363f22

Download Submit
memory/468-50-0x0000000074F60000-0x0000000074FAD000-memory.dmp

Filesize
308KB

Download
memory/468-51-0x0000000074F60000-0x0000000074FAD000-memory.dmp

Filesize
308KB

Download
memory/468-49-0x0000000074F60000-0x0000000074FAD000-memory.dmp

Filesize
308KB

Download
memory/528-12-0x0000000074F60000-0x0000000074FAD000-memory.dmp

Filesize
308KB

Download
memory/528-15-0x0000000074F60000-0x0000000074FAD000-memory.dmp

Filesize
308KB

Download
memory/528-14-0x0000000074F60000-0x0000000074FAD000-memory.dmp

Filesize
308KB

Download
memory/528-13-0x0000000074F60000-0x0000000074FAD000-memory.dmp

Filesize
308KB

Download
memory/1308-41-0x0000000074F60000-0x0000000074FAD000-memory.dmp

Filesize
308KB

Download
memory/1308-45-0x0000000074F60000-0x0000000074FAD000-memory.dmp

Filesize
308KB

Download
memory/1308-42-0x0000000074F60000-0x0000000074FAD000-memory.dmp

Filesize
308KB

Download
memory/2704-21-0x0000000074F60000-0x0000000074FAD000-memory.dmp

Filesize
308KB

Download
memory/2704-20-0x0000000074F60000-0x0000000074FAD000-memory.dmp

Filesize
308KB

Download
memory/2704-19-0x0000000074F60000-0x0000000074FAD000-memory.dmp

Filesize
308KB

Download
memory/3216-27-0x0000000074F60000-0x0000000074FAD000-memory.dmp

Filesize
308KB

Download
memory/3216-26-0x0000000074F60000-0x0000000074FAD000-memory.dmp

Filesize
308KB

Download
memory/3216-29-0x0000000074F60000-0x0000000074FAD000-memory.dmp

Filesize
308KB

Download
memory/3216-28-0x0000000074F60000-0x0000000074FAD000-memory.dmp

Filesize
308KB

Download
memory/3556-82-0x0000000074F50000-0x0000000074F9D000-memory.dmp

Filesize
308KB

Download
memory/3556-83-0x0000000074F50000-0x0000000074F9D000-memory.dmp

Filesize
308KB

Download
memory/3556-80-0x0000000074F50000-0x0000000074F9D000-memory.dmp

Filesize
308KB

Download
memory/3980-57-0x0000000074F60000-0x0000000074FAD000-memory.dmp

Filesize
308KB

Download
memory/3980-58-0x0000000074F60000-0x0000000074FAD000-memory.dmp

Filesize
308KB

Download
memory/3980-56-0x0000000074F60000-0x0000000074FAD000-memory.dmp

Filesize
308KB

Download
memory/4024-89-0x0000000074F50000-0x0000000074F9D000-memory.dmp

Filesize
308KB

Download
memory/4024-91-0x0000000074F50000-0x0000000074F9D000-memory.dmp

Filesize
308KB

Download
memory/4024-90-0x0000000074F50000-0x0000000074F9D000-memory.dmp

Filesize
308KB

Download
memory/4032-0-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/4032-43-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/4440-30-0x00000000009F0000-0x0000000000A3D000-memory.dmp

Filesize
308KB

Download
memory/4440-6-0x00000000009F0000-0x0000000000A3D000-memory.dmp

Filesize
308KB

Download
memory/4440-7-0x00000000009F0000-0x0000000000A3D000-memory.dmp

Filesize
308KB

Download
memory/4440-5-0x00000000009F0000-0x0000000000A3D000-memory.dmp

Filesize
308KB

Download
memory/4600-74-0x0000000074F50000-0x0000000074F9D000-memory.dmp

Filesize
308KB

Download
memory/4600-75-0x0000000074F50000-0x0000000074F9D000-memory.dmp

Filesize
308KB

Download
memory/4600-73-0x0000000074F50000-0x0000000074F9D000-memory.dmp

Filesize
308KB

Download
memory/4600-76-0x0000000074F50000-0x0000000074F9D000-memory.dmp

Filesize
308KB

Download
memory/4832-97-0x0000000074F50000-0x0000000074F9D000-memory.dmp

Filesize
308KB

Download
memory/4832-98-0x0000000074F50000-0x0000000074F9D000-memory.dmp

Filesize
308KB

Download
memory/4832-95-0x0000000074F50000-0x0000000074F9D000-memory.dmp

Filesize
308KB

Download
memory/4904-65-0x0000000074F60000-0x0000000074FAD000-memory.dmp

Filesize
308KB

Download
memory/4904-62-0x0000000074F60000-0x0000000074FAD000-memory.dmp

Filesize
308KB

Download
memory/4904-64-0x0000000074F60000-0x0000000074FAD000-memory.dmp

Filesize
308KB

Download
memory/4904-63-0x0000000074F60000-0x0000000074FAD000-memory.dmp

Filesize
308KB

Download
memory/5092-36-0x0000000074F60000-0x0000000074FAD000-memory.dmp

Filesize
308KB

Download
memory/5092-35-0x0000000074F60000-0x0000000074FAD000-memory.dmp

Filesize
308KB

Download
memory/5092-34-0x0000000074F60000-0x0000000074FAD000-memory.dmp

Filesize
308KB

Download
memory/5092-37-0x0000000074F60000-0x0000000074FAD000-memory.dmp

Filesize
308KB

Download