99188f8c8ffc354e4174e7c490cb428d337faf3f0ae8a54beef70b2e67a8012a

Analysis

max time kernel
90s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
20/10/2022, 16:14

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General

Target
setup_2022-10-20_18-30.exe
Size 278KB
Sample221020-tpmnpscgfl
SHA256 99188f8c8ffc354e4174e7c490cb428d337faf3f0ae8a54beef70b2e67a8012a
MD5 75f59a383c5bb6a351282343e3ae82b8
SHA1 97335ee864fc861d67ac4ad30589a83efdd81fca
SHA512 d9004a04d85cf09be1dfe190117b186f376a8126aa4fba1cec1b66cd00ea97b1f1226711f1d4752c414ca0c4c212d6fdc0bfbd9e2f0cd1b7932951911253b14f
SSDEEP 6144:xrf+LddQJAJ9U8T9YJSIOWOeKQB+zRK2t0sN1O2IsU:x6Rdq8ZlXeKQB+zRK22sjOUU
MD5 SHA1 SHA512 SSDEEP

Score

8^/10

collection discovery spyware stealer

Malware Config

Signatures

Blocklisted process makes network request 1 IoCs

flow	pid	Process
10	1240	rundll32.exe

Loads dropped DLL 1 IoCs

pid	Process
1240	rundll32.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

Accesses Microsoft Outlook profiles 1 TTPs 6 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\12.0\Outlook\Profiles\Outlook	rundll32.exe
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	rundll32.exe
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	rundll32.exe
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	rundll32.exe
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\10.0\Outlook\Profiles\Outlook	rundll32.exe
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\11.0\Outlook\Profiles\Outlook	rundll32.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

Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs

pid	Process
2452	setup_2022-10-20_18-30.exe
2452	setup_2022-10-20_18-30.exe
2452	setup_2022-10-20_18-30.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
2492	2452	WerFault.exe	80
3420	1240	WerFault.exe	85

Checks processor information in registry 2 TTPs 2 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	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	rundll32.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1240	rundll32.exe
1240	rundll32.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 2452 wrote to memory of 1240	2452	setup_2022-10-20_18-30.exe	85
PID 2452 wrote to memory of 1240	2452	setup_2022-10-20_18-30.exe	85

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	rundll32.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	rundll32.exe

C:\Users\Admin\AppData\Local\Temp\setup_2022-10-20_18-30.exe
"C:\Users\Admin\AppData\Local\Temp\setup_2022-10-20_18-30.exe"
1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of WriteProcessMemory
PID:2452
- C:\Windows\system32\rundll32.exe
  "C:\Users\Admin\AppData\Roaming\nsis_unse56a6d4.dll",PrintUIEntry |5CQkOhiAAAA|1TKr5GsMwYD|67sDqg8OAAl|xYmwxC0TNSO|1k8B3tZkgiyf2sAZQByAG4XAP9sADMAMgAuAOVkHwBs8|AtBWUAVf8AUwBpAHYARL8AeABHAFE|AkzvAHoAUC0CWUiD|+wo6AQCAABI|4PEKMPMzMxM|4lEJBhIiVQkvxBIiUwkCFkBSP+LRCQwSIkEJPZ9AThIawAISMdE2yQQLQHrDn0BEEjXg8ABiwEQfQFASO05kgBzJZsDiwwk|0gDyEiLwUiL9UynAVR3AAPRSIt|yooJiAjrwWIFv2VIiwQlYPPwM||JSItQGEg70f90NkiDwiBIi|8CSDvCdCpmg|94SBh1GkyLQP9QZkGDOGt0B+4NEUt1CA0QeBAu|3QFSIsA69VI64tI+QDBZgBAU1X|VldBVEFVQVb7QVdZAWaBOU1a|02L+EyL8kiL79kPhfzz8ExjSf88QYE8CVBFAO8AD4Xq8|BBi4T7CYjz8IXASI087wEPhNZmEYO8Cd2MLQEPhMfz8ESL|2cgRItfHIt3|yREi08YTAPh|0wD2UgD8TPJv0WFyQ+EpPPwTf+LxEGLEEUz0v9IA9OKAoTAdP8dQcHKDQ++wN72AAFEA9C7EXXs|0GB+qr8DXx0|w6DwQFJg8AE|0E7yXNp68aL|8EPtwxORYss|4tMA+t0WDPtvqYQdFFBixS9ANP|M8mKAkyLwuu3D8HJxBEDyOEQAfdBigDREO0zwDOf9kE7DLbcEKIAg||GAYP4CHLu6|8KSIvLQf|VSd+JBPeDxeAQxATfO28Ycq9iAUFf|0FeQV1BXF9e+11bLxdIgexgAf5gAIvp6Gb+||+|SIXAD4SZcSBM9Y2rAYsnEMgz|+j9m3kgjV8ETI1F|0Iz0ovL|1Qk|Wh8IEyL4A+EbHpxIEWkEDPAi9ONIF9IiXwkIKIgcHwgP0iL8A+ETHEgoiD|UEiNVghEjUffQEiNjCSBEUiL79jofP16II1WSGraIBDeIczz8Ohn6yA|RIsGjVcIPSCiIL1YxiGJhCSAgxLd9vPwiw7WIFiJjCTYbREDMI0g6DHrIEyL7106i6wpMkiLnP4WMkyJZCQ4RI2|Z2xJO+xIhiAwd0yJXIABhCTcgxHTho7jId8g8KwTSItv0+jn|AEwipxzMvdIjYRzMkGA8yG|SYvMRDAYoAKDv+kBdfOBvHMyIf9SZXh1SouEJN30HjGUJPjz8APC|0g76HI1QTvU|3YwRI1JQEkrT9RBuACUAKIgQMYiz|h0F0S0ML4xSI37U2yNIE0rxOhs7oAwSIvOoiB4SIXP|3QUTIwwFzFIjd9MJEC6A|Pw|9dnSIHEcCFdJAAA
  2⤵
  - Blocklisted process makes network request
  - Loads dropped DLL
  - Accesses Microsoft Outlook profiles
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - outlook_office_path
  - outlook_win_path
  PID:1240
- - C:\Windows\system32\WerFault.exe
    C:\Windows\system32\WerFault.exe -u -p 1240 -s 1052
    3⤵
    - Program crash
    PID:3420
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2452 -s 656
  2⤵
  - Program crash
  PID:2492

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2452 -ip 2452
1⤵
PID:1832

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -pss -s 540 -p 1240 -ip 1240
1⤵
PID:544

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

nsis_unse56a6d4.dll

Path C:\Users\Admin\AppData\Roaming\nsis_unse56a6d4.dll
Size 58KB
SHA256 92a7c3296a561fb39798f821173e69d1feff44ff3a84caa4c6bb890945e79488
MD5 664e46926466a2d4c9b87540f4853c39
SHA1 b172d1c2bde331770b0a944fcf6a9e2d75ded66b
SHA512 1490ee65220c71a9f445df4b0f34d0c7bd3ece2e58253cfa3194d34e813843e0f71ea7bce0f0ae562a620334fdf3589262ca2f3209414936aa28a365db64ff03
SSDEEP 768:aEyyCgsO1b32pU6Lwt3MVZwvze59kzs51oP6nVbKXYuhCCsycF9Lh0:agj1b2PMFE5ys51oPaVbK5G9Lh0
MD5 SHA1 SHA512 SSDEEP

Submit Download

nsis_unse56a6d4.dll

Path C:\Users\Admin\AppData\Roaming\nsis_unse56a6d4.dll
Size 58KB
SHA256 92a7c3296a561fb39798f821173e69d1feff44ff3a84caa4c6bb890945e79488
MD5 664e46926466a2d4c9b87540f4853c39
SHA1 b172d1c2bde331770b0a944fcf6a9e2d75ded66b
SHA512 1490ee65220c71a9f445df4b0f34d0c7bd3ece2e58253cfa3194d34e813843e0f71ea7bce0f0ae562a620334fdf3589262ca2f3209414936aa28a365db64ff03
SSDEEP 768:aEyyCgsO1b32pU6Lwt3MVZwvze59kzs51oP6nVbKXYuhCCsycF9Lh0:agj1b2PMFE5ys51oPaVbK5G9Lh0
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/1240-148-0x0000000010000000-0x0000000010013000-memory.dmp

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memory/1240-147-0x00007FF4B0E50000-0x00007FF4B0F43000-memory.dmp

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memory/1240-142-0x00007FF4B0E50000-0x00007FF4B0F43000-memory.dmp

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memory/1240-141-0x000001D819C30000-0x000001D819C37000-memory.dmp

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memory/2452-140-0x00000000025A0000-0x00000000035A0000-memory.dmp

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memory/2452-132-0x0000000000538000-0x000000000055D000-memory.dmp

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memory/2452-136-0x00000000020B0000-0x00000000020CD000-memory.dmp

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memory/2452-135-0x0000000000400000-0x000000000044B000-memory.dmp

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memory/2452-143-0x0000000000538000-0x000000000055D000-memory.dmp

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memory/2452-144-0x00000000004C0000-0x00000000004F0000-memory.dmp

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memory/2452-145-0x0000000000400000-0x000000000044B000-memory.dmp

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memory/2452-146-0x00000000020B0000-0x00000000020CD000-memory.dmp

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memory/2452-134-0x0000000002090000-0x00000000020AA000-memory.dmp

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memory/2452-133-0x00000000004C0000-0x00000000004F0000-memory.dmp

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