19cf051382ed1975b15d21adda182e542379875eb8b07fe5b6d21f2c5c9bba24

Analysis

max time kernel
37s
max time network
46s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
02/10/2022, 14:07

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General

Target

19cf051382ed1975b15d21adda182e542379875eb8b07fe5b6d21f2c5c9bba24.exe
Size

276KB
MD5

67f71491369a107c70f7c0476377b820
SHA1

3bd5d6eb918d69cdcfceaa975db234e1f3954857
SHA256

19cf051382ed1975b15d21adda182e542379875eb8b07fe5b6d21f2c5c9bba24
SHA512

9a39be10f08ededbf0f7dcf68634df89a482e2994451f1dfe9f784ec2ab028349e5bf184b36297beac720e62364a666288430564a87ba41daed95cda055a3d76
SSDEEP

6144:9Cj9xaJEBOjC+k16ocPSDJSBmIjFiWDP+6E3G3:9CZ8J91PocPLZprP+B3W

Score

8^/10

discovery persistence spyware stealer upx

Malware Config

Signatures

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1032-59-0x0000000000400000-0x000000000044E000-memory.dmp	upx

Deletes itself 1 IoCs

pid	Process
1512	TapiUnattend.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\dllhost.exe = "C:\\Users\\Admin\\AppData\\Roaming\\Mozilla\\Extensions\\logman.exe"	19cf051382ed1975b15d21adda182e542379875eb8b07fe5b6d21f2c5c9bba24.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1208	1512	WerFault.exe	29

Checks processor information in registry 2 TTPs 6 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	19cf051382ed1975b15d21adda182e542379875eb8b07fe5b6d21f2c5c9bba24.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	19cf051382ed1975b15d21adda182e542379875eb8b07fe5b6d21f2c5c9bba24.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	19cf051382ed1975b15d21adda182e542379875eb8b07fe5b6d21f2c5c9bba24.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	TapiUnattend.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	TapiUnattend.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	TapiUnattend.exe

Enumerates system info in registry 2 TTPs 6 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	TapiUnattend.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName	TapiUnattend.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	19cf051382ed1975b15d21adda182e542379875eb8b07fe5b6d21f2c5c9bba24.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	19cf051382ed1975b15d21adda182e542379875eb8b07fe5b6d21f2c5c9bba24.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName	19cf051382ed1975b15d21adda182e542379875eb8b07fe5b6d21f2c5c9bba24.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	TapiUnattend.exe

Modifies Internet Explorer Protected Mode 1 TTPs 1 IoCs

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3\2500 = "3"	TapiUnattend.exe

Modifies Internet Explorer Protected Mode Banner 1 TTPs 1 IoCs

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main\NoProtectedModeBanner = "1"	TapiUnattend.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main	TapiUnattend.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1032	19cf051382ed1975b15d21adda182e542379875eb8b07fe5b6d21f2c5c9bba24.exe
1032	19cf051382ed1975b15d21adda182e542379875eb8b07fe5b6d21f2c5c9bba24.exe
1032	19cf051382ed1975b15d21adda182e542379875eb8b07fe5b6d21f2c5c9bba24.exe
1032	19cf051382ed1975b15d21adda182e542379875eb8b07fe5b6d21f2c5c9bba24.exe
1032	19cf051382ed1975b15d21adda182e542379875eb8b07fe5b6d21f2c5c9bba24.exe
1032	19cf051382ed1975b15d21adda182e542379875eb8b07fe5b6d21f2c5c9bba24.exe
1032	19cf051382ed1975b15d21adda182e542379875eb8b07fe5b6d21f2c5c9bba24.exe
1032	19cf051382ed1975b15d21adda182e542379875eb8b07fe5b6d21f2c5c9bba24.exe
1032	19cf051382ed1975b15d21adda182e542379875eb8b07fe5b6d21f2c5c9bba24.exe
1032	19cf051382ed1975b15d21adda182e542379875eb8b07fe5b6d21f2c5c9bba24.exe
1032	19cf051382ed1975b15d21adda182e542379875eb8b07fe5b6d21f2c5c9bba24.exe
1032	19cf051382ed1975b15d21adda182e542379875eb8b07fe5b6d21f2c5c9bba24.exe
1032	19cf051382ed1975b15d21adda182e542379875eb8b07fe5b6d21f2c5c9bba24.exe
1032	19cf051382ed1975b15d21adda182e542379875eb8b07fe5b6d21f2c5c9bba24.exe
1032	19cf051382ed1975b15d21adda182e542379875eb8b07fe5b6d21f2c5c9bba24.exe
1032	19cf051382ed1975b15d21adda182e542379875eb8b07fe5b6d21f2c5c9bba24.exe
1032	19cf051382ed1975b15d21adda182e542379875eb8b07fe5b6d21f2c5c9bba24.exe
1032	19cf051382ed1975b15d21adda182e542379875eb8b07fe5b6d21f2c5c9bba24.exe
1032	19cf051382ed1975b15d21adda182e542379875eb8b07fe5b6d21f2c5c9bba24.exe
1032	19cf051382ed1975b15d21adda182e542379875eb8b07fe5b6d21f2c5c9bba24.exe
1032	19cf051382ed1975b15d21adda182e542379875eb8b07fe5b6d21f2c5c9bba24.exe
1032	19cf051382ed1975b15d21adda182e542379875eb8b07fe5b6d21f2c5c9bba24.exe
1032	19cf051382ed1975b15d21adda182e542379875eb8b07fe5b6d21f2c5c9bba24.exe
1032	19cf051382ed1975b15d21adda182e542379875eb8b07fe5b6d21f2c5c9bba24.exe
1032	19cf051382ed1975b15d21adda182e542379875eb8b07fe5b6d21f2c5c9bba24.exe
1032	19cf051382ed1975b15d21adda182e542379875eb8b07fe5b6d21f2c5c9bba24.exe
1032	19cf051382ed1975b15d21adda182e542379875eb8b07fe5b6d21f2c5c9bba24.exe
1032	19cf051382ed1975b15d21adda182e542379875eb8b07fe5b6d21f2c5c9bba24.exe
1032	19cf051382ed1975b15d21adda182e542379875eb8b07fe5b6d21f2c5c9bba24.exe
1032	19cf051382ed1975b15d21adda182e542379875eb8b07fe5b6d21f2c5c9bba24.exe
1032	19cf051382ed1975b15d21adda182e542379875eb8b07fe5b6d21f2c5c9bba24.exe
1032	19cf051382ed1975b15d21adda182e542379875eb8b07fe5b6d21f2c5c9bba24.exe
1032	19cf051382ed1975b15d21adda182e542379875eb8b07fe5b6d21f2c5c9bba24.exe
1032	19cf051382ed1975b15d21adda182e542379875eb8b07fe5b6d21f2c5c9bba24.exe
1512	TapiUnattend.exe
1512	TapiUnattend.exe
1512	TapiUnattend.exe
1512	TapiUnattend.exe
1512	TapiUnattend.exe
1512	TapiUnattend.exe
1512	TapiUnattend.exe
1512	TapiUnattend.exe
1512	TapiUnattend.exe
1512	TapiUnattend.exe
1512	TapiUnattend.exe
1512	TapiUnattend.exe
1512	TapiUnattend.exe
1512	TapiUnattend.exe
1512	TapiUnattend.exe
1512	TapiUnattend.exe
1512	TapiUnattend.exe
1512	TapiUnattend.exe
1512	TapiUnattend.exe
1512	TapiUnattend.exe
1512	TapiUnattend.exe
1512	TapiUnattend.exe
1512	TapiUnattend.exe
1512	TapiUnattend.exe
1512	TapiUnattend.exe
1512	TapiUnattend.exe
1512	TapiUnattend.exe
1512	TapiUnattend.exe
1512	TapiUnattend.exe
1512	TapiUnattend.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1512	TapiUnattend.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1032 wrote to memory of 1512	1032	19cf051382ed1975b15d21adda182e542379875eb8b07fe5b6d21f2c5c9bba24.exe	29
PID 1032 wrote to memory of 1512	1032	19cf051382ed1975b15d21adda182e542379875eb8b07fe5b6d21f2c5c9bba24.exe	29
PID 1032 wrote to memory of 1512	1032	19cf051382ed1975b15d21adda182e542379875eb8b07fe5b6d21f2c5c9bba24.exe	29
PID 1032 wrote to memory of 1512	1032	19cf051382ed1975b15d21adda182e542379875eb8b07fe5b6d21f2c5c9bba24.exe	29
PID 1032 wrote to memory of 1512	1032	19cf051382ed1975b15d21adda182e542379875eb8b07fe5b6d21f2c5c9bba24.exe	29
PID 1032 wrote to memory of 1512	1032	19cf051382ed1975b15d21adda182e542379875eb8b07fe5b6d21f2c5c9bba24.exe	29
PID 1032 wrote to memory of 1512	1032	19cf051382ed1975b15d21adda182e542379875eb8b07fe5b6d21f2c5c9bba24.exe	29
PID 1512 wrote to memory of 1208	1512	TapiUnattend.exe	30
PID 1512 wrote to memory of 1208	1512	TapiUnattend.exe	30
PID 1512 wrote to memory of 1208	1512	TapiUnattend.exe	30
PID 1512 wrote to memory of 1208	1512	TapiUnattend.exe	30
PID 1512 wrote to memory of 1208	1512	TapiUnattend.exe	30

C:\Users\Admin\AppData\Local\Temp\19cf051382ed1975b15d21adda182e542379875eb8b07fe5b6d21f2c5c9bba24.exe
"C:\Users\Admin\AppData\Local\Temp\19cf051382ed1975b15d21adda182e542379875eb8b07fe5b6d21f2c5c9bba24.exe"
1⤵
- Adds Run key to start application
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1032
- C:\Windows\SysWOW64\TapiUnattend.exe
  C:\Windows\System32\TapiUnattend.exe
  2⤵
  - Deletes itself
  - Checks processor information in registry
  - Enumerates system info in registry
  - Modifies Internet Explorer Protected Mode
  - Modifies Internet Explorer Protected Mode Banner
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1512
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1512 -s 288
    3⤵
    - Program crash
    PID:1208

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

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Mozilla\Extensions\logman.exe

Filesize
276KB

MD5
67f71491369a107c70f7c0476377b820

SHA1
3bd5d6eb918d69cdcfceaa975db234e1f3954857

SHA256
19cf051382ed1975b15d21adda182e542379875eb8b07fe5b6d21f2c5c9bba24

SHA512
9a39be10f08ededbf0f7dcf68634df89a482e2994451f1dfe9f784ec2ab028349e5bf184b36297beac720e62364a666288430564a87ba41daed95cda055a3d76

Download Submit
memory/1032-66-0x0000000000480000-0x00000000004CB000-memory.dmp

Filesize
300KB

Download
memory/1032-55-0x0000000000480000-0x00000000004CB000-memory.dmp

Filesize
300KB

Download
memory/1032-58-0x0000000000240000-0x0000000000250000-memory.dmp

Filesize
64KB

Download
memory/1032-59-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1032-60-0x0000000000480000-0x00000000004CB000-memory.dmp

Filesize
300KB

Download
memory/1032-54-0x0000000075601000-0x0000000075603000-memory.dmp

Filesize
8KB

Download
memory/1512-72-0x0000000075170000-0x00000000751B7000-memory.dmp

Filesize
284KB

Download
memory/1512-88-0x0000000075601000-0x0000000075603000-memory.dmp

Filesize
8KB

Download
memory/1512-73-0x0000000074D30000-0x0000000074D65000-memory.dmp

Filesize
212KB

Download
memory/1512-77-0x0000000075170000-0x00000000751B7000-memory.dmp

Filesize
284KB

Download
memory/1512-63-0x00000000000E0000-0x000000000012B000-memory.dmp

Filesize
300KB

Download
memory/1512-61-0x0000000000130000-0x0000000000175000-memory.dmp

Filesize
276KB

Download
memory/1512-67-0x00000000000E0000-0x000000000012B000-memory.dmp

Filesize
300KB

Download
memory/1512-90-0x00000000000E0000-0x000000000012B000-memory.dmp

Filesize
300KB

Download
memory/1512-91-0x0000000077000000-0x0000000077180000-memory.dmp

Filesize
1.5MB

Download
memory/1512-92-0x0000000076410000-0x0000000076520000-memory.dmp

Filesize
1.1MB

Download
memory/1512-93-0x0000000075170000-0x00000000751B7000-memory.dmp

Filesize
284KB

Download
memory/1512-94-0x0000000077000000-0x0000000077180000-memory.dmp

Filesize
1.5MB

Download
memory/1512-95-0x0000000077000000-0x0000000077180000-memory.dmp

Filesize
1.5MB

Download
memory/1512-96-0x0000000077000000-0x0000000077180000-memory.dmp

Filesize
1.5MB

Download