3e45e89d63f4a3f2091d7b1f5b2c331779c735cc45581b3f0d6f293e45fc45f1

Analysis

max time kernel
76s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
09/11/2022, 22:33

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General

Target
file.exe
Size 194KB
Sample221109-2ghnsacfh4
SHA256 3e45e89d63f4a3f2091d7b1f5b2c331779c735cc45581b3f0d6f293e45fc45f1
MD5 d879588b3878a138d84c21f9e6146f48
SHA1 5f64f9e6200115cdd6060d04b9a6fccd20ebcff4
SHA512 250e1f55c53793ee96c3e72edf42e9725ddbfed121d4a272c698f2e310241a540f410a19e89925a20d3edfc543663fe7977e1d3d7e2e7a5462c2b2a0da65a381
SSDEEP 3072:Uv5ChRQUknU7TfNMXgSrayXVE9y4qQDHg2EPkoTrEsjHZvQ3hl43vpMvxGWqB2cH:dh6zU7T1DylEtDAvPJTrF5vQ37IM
MD5 SHA1 SHA512 SSDEEP

Score

8^/10

collection discovery spyware stealer

Malware Config

Signatures

Blocklisted process makes network request 2 IoCs

flow	pid	Process
14	4796	rundll32.exe
17	4796	rundll32.exe

Loads dropped DLL 1 IoCs

pid	Process
4796	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-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\11.0\Outlook\Profiles\Outlook	rundll32.exe
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\12.0\Outlook\Profiles\Outlook	rundll32.exe
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	rundll32.exe
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	rundll32.exe
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	rundll32.exe
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\10.0\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

Program crash 1 IoCs

pid	pid_target	Process	procid_target
5064	4796	WerFault.exe	80

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 4 IoCs

pid	Process
4796	rundll32.exe
4796	rundll32.exe
4796	rundll32.exe
4796	rundll32.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 3484 wrote to memory of 4796	3484	file.exe	80
PID 3484 wrote to memory of 4796	3484	file.exe	80

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	rundll32.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	rundll32.exe

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3484
- C:\Windows\system32\rundll32.exe
  "C:\Users\Admin\AppData\Roaming\nsis_unse573ede.dll",PrintUIEntry |5CQkOhiAAAA|1TKr5GsMwYD|67sDqg8OAAl|xYmwxC0TNSO|1k8B3tZkgiyf2sAZQByAG4XAP9sADMAMgAuAOVkHwBs8|AtBVQAefsANTsARABaAGO|AGYARwBRNwAx7wBoAEktAllIg||sKOgEAgAASP+DxCjDzMzMTP+JRCQYSIlUJL8QSIlMJAhZAUj|i0QkMEiJBCT2fQE4SGsACEjHRNskEC0B6w59ARBI14PAAYsBEH0BQEjtOZIAcyWbA4sMJP9IA8hIi8FIi|VMpwFUdwAD0UiLf8qKCYgI68FiBb9lSIsEJWDz8DP|yUiLUBhIO9H|dDZIg8IgSIv|Akg7wnQqZoP|eEgYdRpMi0D|UGZBgzhrdAfuDRFLdQgNEHgQLv90BUiLAOvVSOuLSPkAwWYAQFNV|1ZXQVRBVUFW+0FXWQFmgTlNWv9Ni|hMi|JIi+|ZD4X88|BMY0n|PEGBPAlQRQDvAA+F6vPwQYuE+wmI8|CFwEiNPO8BD4TWZhGDvAndjC0BD4TH8|BEi|9nIESLXxyLd|8kRItPGEwD4f9MA9lIA|Ezyb9FhckPhKTz8E3|i8RBixBFM9L|SAPTigKEwHT|HUHByg0PvsDe9gABRAPQuxF17P9Bgfqq|A18dP8Og8EBSYPABP9BO8lzaevGi||BD7cMTkWLLP+LTAPrdFgz7b6mEHRRQYsUvQDT|zPJigJMi8Lrtw|BycQRA8jhEAH3QYoA0RDtM8Azn|ZBOwy23BCiAIP|xgGD+Ahy7uv|CkiLy0H|1UnfiQT3g8XgEMQE3ztvGHKvYgFBX|9BXkFdQVxfXvtdWy8XSIHsYAH+YACL6ehm|v||v0iFwA+EmXEgTPWNqwGLJxDIM||o|Zt5II1fBEyNRf9CM9KLy|9UJP1ofCBMi+APhGx6cSBFpBAzwIvTjSBfSIl8JCCiIHB8ID9Ii|APhExxIKIg|1BIjVYIRI1H30BIjYwkgRFIi+|Y6Hz9eiCNVkhq2iAQ3iHM8|DoZ+sgP0SLBo1XCD0goiC9WMYhiYQkgIMS3fbz8IsO1iBYiYwk2G0RAzCNIOgx6yBMi+9dOousKTJIi5z+FjJMiWQkOESNv2dsSTvsSIYgMHdMiVyAAYQk3IMR04aO4yHfIPCsE0iLb9Po5|wBMIqcczL3SI2EczJBgPMhv0mLzEQwGKACg7|pAXXzgbxzMiH|UmV4dUqLhCTd9B4xlCT48|ADwv9IO+hyNUE71P92MESNSUBJK0|UQbgAlACiIEDGIs|4dBdEtDC+MUiN+1NsjSBNK8TobO6AMEiLzqIgeEiFz|90FEyMMBcxSI3fTCRAugPz8P|XZ0iBxHAhXSQAAA==
  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:4796
- - C:\Windows\system32\WerFault.exe
    C:\Windows\system32\WerFault.exe -u -p 4796 -s 300
    3⤵
    - Program crash
    PID:5064

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -pss -s 460 -p 4796 -ip 4796
1⤵
PID:2084

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_unse573ede.dll

Path C:\Users\Admin\AppData\Roaming\nsis_unse573ede.dll
Size 58KB
SHA256 92a7c3296a561fb39798f821173e69d1feff44ff3a84caa4c6bb890945e79488
MD5 664e46926466a2d4c9b87540f4853c39
SHA1 b172d1c2bde331770b0a944fcf6a9e2d75ded66b
SHA512 1490ee65220c71a9f445df4b0f34d0c7bd3ece2e58253cfa3194d34e813843e0f71ea7bce0f0ae562a620334fdf3589262ca2f3209414936aa28a365db64ff03
SSDEEP 768:aEyyCgsO1b32pU6Lwt3MVZwvze59kzs51oP6nVbKXYuhCCsycF9Lh0:agj1b2PMFE5ys51oPaVbK5G9Lh0
MD5 SHA1 SHA512 SSDEEP

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nsis_unse573ede.dll

Path C:\Users\Admin\AppData\Roaming\nsis_unse573ede.dll
Size 58KB
SHA256 92a7c3296a561fb39798f821173e69d1feff44ff3a84caa4c6bb890945e79488
MD5 664e46926466a2d4c9b87540f4853c39
SHA1 b172d1c2bde331770b0a944fcf6a9e2d75ded66b
SHA512 1490ee65220c71a9f445df4b0f34d0c7bd3ece2e58253cfa3194d34e813843e0f71ea7bce0f0ae562a620334fdf3589262ca2f3209414936aa28a365db64ff03
SSDEEP 768:aEyyCgsO1b32pU6Lwt3MVZwvze59kzs51oP6nVbKXYuhCCsycF9Lh0:agj1b2PMFE5ys51oPaVbK5G9Lh0
MD5 SHA1 SHA512 SSDEEP

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memory/3484-132-0x00000000012A1000-0x00000000012A3000-memory.dmp

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memory/3484-133-0x0000000001260000-0x000000000127D000-memory.dmp

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memory/3484-139-0x0000000001260000-0x000000000127D000-memory.dmp

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memory/4796-137-0x000001B915170000-0x000001B915177000-memory.dmp

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memory/4796-138-0x00007FF45FEC0000-0x00007FF45FFBA000-memory.dmp

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memory/4796-140-0x00007FF45FEC0000-0x00007FF45FFBA000-memory.dmp

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memory/4796-141-0x0000000010000000-0x0000000010013000-memory.dmp

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memory/4796-142-0x00007FF45FEC0000-0x00007FF45FFBA000-memory.dmp

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