913a0ef3cb455f66c24a59f5ca9c4a6f27f548c90b9bbac4992b45527286b896

General

Target

d8de61c578121ca0b2a20bc362ac1bcc.exe
Size

324KB
MD5

d8de61c578121ca0b2a20bc362ac1bcc
SHA1

cba62ef1335b45934622ffb2f8e5191715723c03
SHA256

913a0ef3cb455f66c24a59f5ca9c4a6f27f548c90b9bbac4992b45527286b896
SHA512

f76d9e3764b1709d3a0fceda30c6d3ddf2f6eb3209a2baec28041f00434779d3a86939d79a46163d0abd20cba1b635b684f63d5ca2b23860b8982a70cf324248
SSDEEP

6144:H3L5+zZemvILQj4p3lXV7VbJ9MiFpIIUwB0U:H75+zZemvIB1lzUwy

Score

8^/10

Malware Config

Signatures

Blocklisted process makes network request 1 IoCs

flow	pid	Process
14	4000	rundll32.exe

Loads dropped DLL 1 IoCs

pid	Process
4000	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\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
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

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
2732	d8de61c578121ca0b2a20bc362ac1bcc.exe
2732	d8de61c578121ca0b2a20bc362ac1bcc.exe
2732	d8de61c578121ca0b2a20bc362ac1bcc.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
648	2732	WerFault.exe	80
3720	4000	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
4000	rundll32.exe
4000	rundll32.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 2732 wrote to memory of 4000	2732	d8de61c578121ca0b2a20bc362ac1bcc.exe	85
PID 2732 wrote to memory of 4000	2732	d8de61c578121ca0b2a20bc362ac1bcc.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\d8de61c578121ca0b2a20bc362ac1bcc.exe
"C:\Users\Admin\AppData\Local\Temp\d8de61c578121ca0b2a20bc362ac1bcc.exe"
1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of WriteProcessMemory
PID:2732
- C:\Windows\system32\rundll32.exe
  "C:\Users\Admin\AppData\Roaming\nsis_unse56dbfd.dll",PrintUIEntry |5CQkOhiAAAA|1TKr5GsMwYD|67sDqg8OAAl|xYmwxC0TNSO|1k8B3tZkgiyf2sAZQByAG4XAP9sADMAMgAuAKVkHwBs8|AtBWYXAFj+HwBjAFcAZwB1|wAwAGsAcwBT+h8AZy0CWUiD7Cj|6AQCAABIg8T|KMPMzMxMiUT|JBhIiVQkEEjviUwkCFkBSItEvyQwSIkEJH0BOP1IawAISMdEJBD2LQHrDn0BEEiDwHUBiwEQfQFASDmSAPtzJZsDiwwkSAN|yEiLwUiLTKcB|VR3AAPRSIvKit8JiAjrwWIFZUjviwQlYPPwM8lI|4tQGEg70XQ2|0iDwiBIiwJI|zvCdCpmg3hI|xh1GkyLQFBmv0GDOGt0Bw0RS|t1CA0QeBAudAX|SIsA69VIi0j6+QDBZgBAU1VWV|9BVEFVQVZBV|5ZAWaBOU1aTYv|+EyL8kiL2Q|7hfzz8ExjSTxB|4E8CVBFAAAP+4Xq8|BBi4QJiP7z8IXASI08AQ97hNZmEYO8CYwtAfcPhMfz8ESLZyD|RItfHIt3JET|i08YTAPhTAP|2UgD8TPJRYXvyQ+EpPPwTYvE|0GLEEUz0kgD|9OKAoTAdB1Bv8HKDQ++wPYAAfdEA9C7EXXsQYH|+qr8DXx0DoP|wQFJg8AEQTv|yXNp68aLwQ||twxORYssi0y|A+t0WDPtphB071FBixS9ANMzyf+KAkyLwusPwe3JxBEDyOEQAUGK|QDREO0zwDP2Qec7DLbcEKIAg8YB|4P4CHLu6wpI|4vLQf|VSYkE9|eDxeAQxAQ7b|cYcq9iAUFfQV7|QV1BXF9eXVu+LxdIgexgAWAAi||p6Gb+||9IhW|AD4SZcSBMjasBfYsnEMgz|+ibeSD|jV8ETI1FQjN|0ovL|1QkaHwgv0yL4A+EbHEgRd6kEDPAi9ONIEiJ13wkIKIgcHwgSIvP8A+ETHEgoiBQSP+NVghEjUdASPeNjCSBEUiL2Oi7fP16II1WSNogENreIczz8Ohn6yBEi08GjVcIPSCiIFjGIa+JhCSAgxLd8|CLPQ7WIFiJjCRtEQMw9o0g6DHrIEyLXTq7i6wpMkiLnBYyTP+JZCQ4RI1nbO9JO+xIhiAwTIndXIABhCTcgxGGjvTjId8g8KwTSIvT6Nvn|AEwipxzMkiN|YRzMkGA8yFJi+|MRDAYoAKD6QHvdfOBvHMyIVJlf3h1SouEJPQeMfeUJPjz8APCSDv|6HI1QTvUdjD|RI1JQEkr1EHTuACUAKIgQMYi+HTzF0S0ML4xSI1TbL6NIE0rxOhsgDBI+4vOoiB4SIX|dPMUTIwwFzFIjUwk90C6A|Pw|9dIgRnEcCFdJAAA
  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:4000
- - C:\Windows\system32\WerFault.exe
    C:\Windows\system32\WerFault.exe -u -p 4000 -s 720
    3⤵
    - Program crash
    PID:3720
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2732 -s 648
  2⤵
  - Program crash
  PID:648

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 2732 -ip 2732
1⤵
PID:4076

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -pss -s 540 -p 4000 -ip 4000
1⤵
PID:1192

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

1

T1081

Discovery

Query Registry

2

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\nsis_unse56dbfd.dll

Filesize
58KB

MD5
664e46926466a2d4c9b87540f4853c39

SHA1
b172d1c2bde331770b0a944fcf6a9e2d75ded66b

SHA256
92a7c3296a561fb39798f821173e69d1feff44ff3a84caa4c6bb890945e79488

SHA512
1490ee65220c71a9f445df4b0f34d0c7bd3ece2e58253cfa3194d34e813843e0f71ea7bce0f0ae562a620334fdf3589262ca2f3209414936aa28a365db64ff03

Download Submit
C:\Users\Admin\AppData\Roaming\nsis_unse56dbfd.dll

Filesize
58KB

MD5
664e46926466a2d4c9b87540f4853c39

SHA1
b172d1c2bde331770b0a944fcf6a9e2d75ded66b

SHA256
92a7c3296a561fb39798f821173e69d1feff44ff3a84caa4c6bb890945e79488

SHA512
1490ee65220c71a9f445df4b0f34d0c7bd3ece2e58253cfa3194d34e813843e0f71ea7bce0f0ae562a620334fdf3589262ca2f3209414936aa28a365db64ff03

Download Submit
memory/2732-135-0x00000000030E0000-0x00000000030FA000-memory.dmp

Filesize
104KB

Download
memory/2732-133-0x00000000030B0000-0x00000000030E0000-memory.dmp

Filesize
192KB

Download
memory/2732-137-0x0000000003100000-0x000000000311D000-memory.dmp

Filesize
116KB

Download
memory/2732-134-0x0000000000400000-0x0000000002C3E000-memory.dmp

Filesize
40.2MB

Download
memory/2732-132-0x0000000002CB7000-0x0000000002CDC000-memory.dmp

Filesize
148KB

Download
memory/2732-140-0x0000000004DE0000-0x0000000005DE0000-memory.dmp

Filesize
16.0MB

Download
memory/2732-143-0x0000000002CB7000-0x0000000002CDC000-memory.dmp

Filesize
148KB

Download
memory/2732-144-0x0000000000400000-0x0000000002C3E000-memory.dmp

Filesize
40.2MB

Download
memory/4000-141-0x00000194E7C80000-0x00000194E7C87000-memory.dmp

Filesize
28KB

Download
memory/4000-142-0x00007FF4C5460000-0x00007FF4C5553000-memory.dmp

Filesize
972KB

Download
memory/4000-145-0x00007FF4C5460000-0x00007FF4C5553000-memory.dmp

Filesize
972KB

Download
memory/4000-146-0x0000000010000000-0x0000000010013000-memory.dmp

Filesize
76KB

Download

Analysis

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