91a3d50ee5111caf454324505c6139c52aa589762a4287e0a211568357af223a

Analysis

max time kernel
151s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
01/12/2022, 00:47

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General

Target

91a3d50ee5111caf454324505c6139c52aa589762a4287e0a211568357af223a.exe
Size

296KB
MD5

379bc8951e044e98dc5ad21024959ee0
SHA1

45ad8774a786fa1252982e37fdda0d3d3822b05b
SHA256

91a3d50ee5111caf454324505c6139c52aa589762a4287e0a211568357af223a
SHA512

21bdaa0a5f10f3bbea75138473a9cc0e47a628e8f6654ec2231bfd361c3dfca0606afeced6f49f32f833ff5a37a05c9565f1ad879a3363adca491c2eba3eeb05
SSDEEP

3072:7sUMT62/lvMnh1l1U7+vHlw6o3qx5tg6oJ2XfQaOorx4e2vTugfXVTGs6:ZH290n91U7YlHo3tBQIaOorx4eaLt76

Score

8^/10

discovery persistence spyware stealer upx

Malware Config

Signatures

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3736-133-0x0000000000400000-0x000000000054A000-memory.dmp	upx
behavioral2/memory/3736-137-0x0000000000400000-0x000000000054A000-memory.dmp	upx

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-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ddodiag.exe = "C:\\Users\\Admin\\AppData\\Roaming\\Mozilla\\Extensions\\wermgr.exe"	91a3d50ee5111caf454324505c6139c52aa589762a4287e0a211568357af223a.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

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	91a3d50ee5111caf454324505c6139c52aa589762a4287e0a211568357af223a.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	91a3d50ee5111caf454324505c6139c52aa589762a4287e0a211568357af223a.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	91a3d50ee5111caf454324505c6139c52aa589762a4287e0a211568357af223a.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	instnm.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	instnm.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	instnm.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\SystemProductName	instnm.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	91a3d50ee5111caf454324505c6139c52aa589762a4287e0a211568357af223a.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	91a3d50ee5111caf454324505c6139c52aa589762a4287e0a211568357af223a.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName	91a3d50ee5111caf454324505c6139c52aa589762a4287e0a211568357af223a.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	instnm.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	instnm.exe

Modifies Internet Explorer Protected Mode 1 TTPs 1 IoCs

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3\2500 = "3"	instnm.exe

Modifies Internet Explorer Protected Mode Banner 1 TTPs 1 IoCs

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\NoProtectedModeBanner = "1"	instnm.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Internet Explorer\Main	instnm.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3736	91a3d50ee5111caf454324505c6139c52aa589762a4287e0a211568357af223a.exe
3736	91a3d50ee5111caf454324505c6139c52aa589762a4287e0a211568357af223a.exe
3736	91a3d50ee5111caf454324505c6139c52aa589762a4287e0a211568357af223a.exe
3736	91a3d50ee5111caf454324505c6139c52aa589762a4287e0a211568357af223a.exe
3736	91a3d50ee5111caf454324505c6139c52aa589762a4287e0a211568357af223a.exe
3736	91a3d50ee5111caf454324505c6139c52aa589762a4287e0a211568357af223a.exe
3736	91a3d50ee5111caf454324505c6139c52aa589762a4287e0a211568357af223a.exe
3736	91a3d50ee5111caf454324505c6139c52aa589762a4287e0a211568357af223a.exe
3736	91a3d50ee5111caf454324505c6139c52aa589762a4287e0a211568357af223a.exe
3736	91a3d50ee5111caf454324505c6139c52aa589762a4287e0a211568357af223a.exe
3736	91a3d50ee5111caf454324505c6139c52aa589762a4287e0a211568357af223a.exe
3736	91a3d50ee5111caf454324505c6139c52aa589762a4287e0a211568357af223a.exe
3736	91a3d50ee5111caf454324505c6139c52aa589762a4287e0a211568357af223a.exe
3736	91a3d50ee5111caf454324505c6139c52aa589762a4287e0a211568357af223a.exe
3736	91a3d50ee5111caf454324505c6139c52aa589762a4287e0a211568357af223a.exe
3736	91a3d50ee5111caf454324505c6139c52aa589762a4287e0a211568357af223a.exe
3736	91a3d50ee5111caf454324505c6139c52aa589762a4287e0a211568357af223a.exe
3736	91a3d50ee5111caf454324505c6139c52aa589762a4287e0a211568357af223a.exe
3736	91a3d50ee5111caf454324505c6139c52aa589762a4287e0a211568357af223a.exe
3736	91a3d50ee5111caf454324505c6139c52aa589762a4287e0a211568357af223a.exe
3736	91a3d50ee5111caf454324505c6139c52aa589762a4287e0a211568357af223a.exe
3736	91a3d50ee5111caf454324505c6139c52aa589762a4287e0a211568357af223a.exe
3736	91a3d50ee5111caf454324505c6139c52aa589762a4287e0a211568357af223a.exe
3736	91a3d50ee5111caf454324505c6139c52aa589762a4287e0a211568357af223a.exe
3736	91a3d50ee5111caf454324505c6139c52aa589762a4287e0a211568357af223a.exe
3736	91a3d50ee5111caf454324505c6139c52aa589762a4287e0a211568357af223a.exe
3736	91a3d50ee5111caf454324505c6139c52aa589762a4287e0a211568357af223a.exe
3736	91a3d50ee5111caf454324505c6139c52aa589762a4287e0a211568357af223a.exe
3736	91a3d50ee5111caf454324505c6139c52aa589762a4287e0a211568357af223a.exe
3736	91a3d50ee5111caf454324505c6139c52aa589762a4287e0a211568357af223a.exe
3736	91a3d50ee5111caf454324505c6139c52aa589762a4287e0a211568357af223a.exe
3736	91a3d50ee5111caf454324505c6139c52aa589762a4287e0a211568357af223a.exe
208	instnm.exe
208	instnm.exe
208	instnm.exe
208	instnm.exe
208	instnm.exe
208	instnm.exe
208	instnm.exe
208	instnm.exe
208	instnm.exe
208	instnm.exe
208	instnm.exe
208	instnm.exe
208	instnm.exe
208	instnm.exe
208	instnm.exe
208	instnm.exe
208	instnm.exe
208	instnm.exe
208	instnm.exe
208	instnm.exe
208	instnm.exe
208	instnm.exe
208	instnm.exe
208	instnm.exe
208	instnm.exe
208	instnm.exe
208	instnm.exe
208	instnm.exe
208	instnm.exe
208	instnm.exe
208	instnm.exe
208	instnm.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	208	instnm.exe
Token: SeDebugPrivilege	4184	ndadmin.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 3736 wrote to memory of 208	3736	91a3d50ee5111caf454324505c6139c52aa589762a4287e0a211568357af223a.exe	82
PID 3736 wrote to memory of 208	3736	91a3d50ee5111caf454324505c6139c52aa589762a4287e0a211568357af223a.exe	82
PID 3736 wrote to memory of 208	3736	91a3d50ee5111caf454324505c6139c52aa589762a4287e0a211568357af223a.exe	82
PID 3736 wrote to memory of 208	3736	91a3d50ee5111caf454324505c6139c52aa589762a4287e0a211568357af223a.exe	82
PID 3736 wrote to memory of 208	3736	91a3d50ee5111caf454324505c6139c52aa589762a4287e0a211568357af223a.exe	82
PID 3736 wrote to memory of 208	3736	91a3d50ee5111caf454324505c6139c52aa589762a4287e0a211568357af223a.exe	82
PID 208 wrote to memory of 2524	208	instnm.exe	87
PID 208 wrote to memory of 2524	208	instnm.exe	87
PID 208 wrote to memory of 4184	208	instnm.exe	89
PID 208 wrote to memory of 4184	208	instnm.exe	89
PID 208 wrote to memory of 4184	208	instnm.exe	89
PID 208 wrote to memory of 4184	208	instnm.exe	89
PID 208 wrote to memory of 4184	208	instnm.exe	89
PID 208 wrote to memory of 4184	208	instnm.exe	89

C:\Users\Admin\AppData\Local\Temp\91a3d50ee5111caf454324505c6139c52aa589762a4287e0a211568357af223a.exe
"C:\Users\Admin\AppData\Local\Temp\91a3d50ee5111caf454324505c6139c52aa589762a4287e0a211568357af223a.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:3736
- C:\Windows\SysWOW64\instnm.exe
  C:\Windows\System32\instnm.exe
  2⤵
  - 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:208
- - C:\Windows\SysWOW64\stordiag.exe
    C:\Windows\System32\stordiag.exe
    3⤵
    PID:2524
- - C:\Windows\SysWOW64\ndadmin.exe
    C:\Windows\System32\ndadmin.exe
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:4184

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

Replay Monitor

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Downloads

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

Filesize
296KB

MD5
379bc8951e044e98dc5ad21024959ee0

SHA1
45ad8774a786fa1252982e37fdda0d3d3822b05b

SHA256
91a3d50ee5111caf454324505c6139c52aa589762a4287e0a211568357af223a

SHA512
21bdaa0a5f10f3bbea75138473a9cc0e47a628e8f6654ec2231bfd361c3dfca0606afeced6f49f32f833ff5a37a05c9565f1ad879a3363adca491c2eba3eeb05

Download Submit
memory/208-160-0x0000000077C70000-0x0000000077E13000-memory.dmp

Filesize
1.6MB

Download
memory/208-159-0x0000000077C70000-0x0000000077E13000-memory.dmp

Filesize
1.6MB

Download
memory/208-167-0x00000000009B0000-0x00000000009FB000-memory.dmp

Filesize
300KB

Download
memory/208-152-0x0000000077C70000-0x0000000077E13000-memory.dmp

Filesize
1.6MB

Download
memory/208-150-0x0000000077C70000-0x0000000077E13000-memory.dmp

Filesize
1.6MB

Download
memory/208-158-0x0000000077C70000-0x0000000077E13000-memory.dmp

Filesize
1.6MB

Download
memory/208-142-0x00000000009B0000-0x00000000009FB000-memory.dmp

Filesize
300KB

Download
memory/208-145-0x0000000077C70000-0x0000000077E13000-memory.dmp

Filesize
1.6MB

Download
memory/208-147-0x00000000009B0000-0x00000000009FB000-memory.dmp

Filesize
300KB

Download
memory/208-148-0x0000000077990000-0x0000000077BA5000-memory.dmp

Filesize
2.1MB

Download
memory/208-154-0x0000000077990000-0x0000000077BA5000-memory.dmp

Filesize
2.1MB

Download
memory/208-156-0x0000000077C70000-0x0000000077E13000-memory.dmp

Filesize
1.6MB

Download
memory/208-157-0x0000000077990000-0x0000000077BA5000-memory.dmp

Filesize
2.1MB

Download
memory/208-149-0x00000000776E0000-0x0000000077743000-memory.dmp

Filesize
396KB

Download
memory/208-155-0x0000000077C70000-0x0000000077E13000-memory.dmp

Filesize
1.6MB

Download
memory/3736-134-0x0000000002280000-0x00000000022CB000-memory.dmp

Filesize
300KB

Download
memory/3736-141-0x0000000002280000-0x00000000022CB000-memory.dmp

Filesize
300KB

Download
memory/3736-139-0x0000000002280000-0x00000000022CB000-memory.dmp

Filesize
300KB

Download
memory/3736-132-0x0000000000400000-0x000000000054A000-memory.dmp

Filesize
1.3MB

Download
memory/3736-133-0x0000000000400000-0x000000000054A000-memory.dmp

Filesize
1.3MB

Download
memory/3736-138-0x0000000002340000-0x000000000248A000-memory.dmp

Filesize
1.3MB

Download
memory/3736-137-0x0000000000400000-0x000000000054A000-memory.dmp

Filesize
1.3MB

Download
memory/4184-166-0x0000000000580000-0x00000000005CB000-memory.dmp

Filesize
300KB

Download
memory/4184-163-0x0000000000580000-0x00000000005CB000-memory.dmp

Filesize
300KB

Download
memory/4184-168-0x0000000000580000-0x00000000005CB000-memory.dmp

Filesize
300KB

Download