99a11f085f087ed16112cda26f1eb660801e83502fe0d7cf7d6f2e0b163855b6

General

Target

172473828466b4d9f0ebb306e13dad9106234d8415d3746f3618cff65e0c606334980e8e77797.dat-decoded.exe
Size

483KB
MD5

38e6f445a4cd8ff659aed076d167038a
SHA1

963fb45fb3531877dccf2a31bccc5d0cbd480445
SHA256

99a11f085f087ed16112cda26f1eb660801e83502fe0d7cf7d6f2e0b163855b6
SHA512

216cdfb939b6e6647affcb04aa298b24dc5cd5df4b931e5f5ee24bda3789dda7441d4b2ceaec6a04eb13d4e94b0ff6aa3349763eadef2119d8a149fb9ac240ac
SSDEEP

6144:QTz+c6KHYBhDc1RGJdv//NkUn+N5Bkf/0TELRvIZPjbsAOZZBAXccrwT4:QTlrYw1RUh3NFn+N5WfIQIjbs/ZBjT4

Score

9^/10

collection credential_access discovery spyware stealer

Malware Config

Signatures

Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

Detected Nirsoft tools 9 IoCs

Free utilities often used by attackers which can steal passwords, product keys, etc.

resource	yara_rule
behavioral1/memory/1668-11-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral1/memory/1208-17-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral1/memory/1668-16-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral1/memory/1668-15-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral1/memory/1208-14-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral1/memory/2020-9-0x0000000000400000-0x0000000000462000-memory.dmp	Nirsoft
behavioral1/memory/1668-19-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral1/memory/1208-24-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral1/memory/2020-27-0x0000000000400000-0x0000000000462000-memory.dmp	Nirsoft

NirSoft MailPassView 2 IoCs

Password recovery tool for various email clients

resource	yara_rule
behavioral1/memory/2020-9-0x0000000000400000-0x0000000000462000-memory.dmp	MailPassView
behavioral1/memory/2020-27-0x0000000000400000-0x0000000000462000-memory.dmp	MailPassView

NirSoft WebBrowserPassView 3 IoCs

Password recovery tool for various web browsers

resource	yara_rule
behavioral1/memory/1208-17-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView
behavioral1/memory/1208-14-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView
behavioral1/memory/1208-24-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView

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
T1552.001

Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts	172473828466b4d9f0ebb306e13dad9106234d8415d3746f3618cff65e0c606334980e8e77797.dat-decoded.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1724 set thread context of 1208	1724	172473828466b4d9f0ebb306e13dad9106234d8415d3746f3618cff65e0c606334980e8e77797.dat-decoded.exe	30
PID 1724 set thread context of 2020	1724	172473828466b4d9f0ebb306e13dad9106234d8415d3746f3618cff65e0c606334980e8e77797.dat-decoded.exe	31
PID 1724 set thread context of 1668	1724	172473828466b4d9f0ebb306e13dad9106234d8415d3746f3618cff65e0c606334980e8e77797.dat-decoded.exe	32

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	172473828466b4d9f0ebb306e13dad9106234d8415d3746f3618cff65e0c606334980e8e77797.dat-decoded.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	172473828466b4d9f0ebb306e13dad9106234d8415d3746f3618cff65e0c606334980e8e77797.dat-decoded.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	172473828466b4d9f0ebb306e13dad9106234d8415d3746f3618cff65e0c606334980e8e77797.dat-decoded.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	172473828466b4d9f0ebb306e13dad9106234d8415d3746f3618cff65e0c606334980e8e77797.dat-decoded.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1208	172473828466b4d9f0ebb306e13dad9106234d8415d3746f3618cff65e0c606334980e8e77797.dat-decoded.exe
1208	172473828466b4d9f0ebb306e13dad9106234d8415d3746f3618cff65e0c606334980e8e77797.dat-decoded.exe

Suspicious behavior: MapViewOfSection 3 IoCs

pid	Process
1724	172473828466b4d9f0ebb306e13dad9106234d8415d3746f3618cff65e0c606334980e8e77797.dat-decoded.exe
1724	172473828466b4d9f0ebb306e13dad9106234d8415d3746f3618cff65e0c606334980e8e77797.dat-decoded.exe
1724	172473828466b4d9f0ebb306e13dad9106234d8415d3746f3618cff65e0c606334980e8e77797.dat-decoded.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1668	172473828466b4d9f0ebb306e13dad9106234d8415d3746f3618cff65e0c606334980e8e77797.dat-decoded.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1724 wrote to memory of 1208	1724	172473828466b4d9f0ebb306e13dad9106234d8415d3746f3618cff65e0c606334980e8e77797.dat-decoded.exe	30
PID 1724 wrote to memory of 1208	1724	172473828466b4d9f0ebb306e13dad9106234d8415d3746f3618cff65e0c606334980e8e77797.dat-decoded.exe	30
PID 1724 wrote to memory of 1208	1724	172473828466b4d9f0ebb306e13dad9106234d8415d3746f3618cff65e0c606334980e8e77797.dat-decoded.exe	30
PID 1724 wrote to memory of 1208	1724	172473828466b4d9f0ebb306e13dad9106234d8415d3746f3618cff65e0c606334980e8e77797.dat-decoded.exe	30
PID 1724 wrote to memory of 2020	1724	172473828466b4d9f0ebb306e13dad9106234d8415d3746f3618cff65e0c606334980e8e77797.dat-decoded.exe	31
PID 1724 wrote to memory of 2020	1724	172473828466b4d9f0ebb306e13dad9106234d8415d3746f3618cff65e0c606334980e8e77797.dat-decoded.exe	31
PID 1724 wrote to memory of 2020	1724	172473828466b4d9f0ebb306e13dad9106234d8415d3746f3618cff65e0c606334980e8e77797.dat-decoded.exe	31
PID 1724 wrote to memory of 2020	1724	172473828466b4d9f0ebb306e13dad9106234d8415d3746f3618cff65e0c606334980e8e77797.dat-decoded.exe	31
PID 1724 wrote to memory of 1668	1724	172473828466b4d9f0ebb306e13dad9106234d8415d3746f3618cff65e0c606334980e8e77797.dat-decoded.exe	32
PID 1724 wrote to memory of 1668	1724	172473828466b4d9f0ebb306e13dad9106234d8415d3746f3618cff65e0c606334980e8e77797.dat-decoded.exe	32
PID 1724 wrote to memory of 1668	1724	172473828466b4d9f0ebb306e13dad9106234d8415d3746f3618cff65e0c606334980e8e77797.dat-decoded.exe	32
PID 1724 wrote to memory of 1668	1724	172473828466b4d9f0ebb306e13dad9106234d8415d3746f3618cff65e0c606334980e8e77797.dat-decoded.exe	32

C:\Users\Admin\AppData\Local\Temp\172473828466b4d9f0ebb306e13dad9106234d8415d3746f3618cff65e0c606334980e8e77797.dat-decoded.exe
"C:\Users\Admin\AppData\Local\Temp\172473828466b4d9f0ebb306e13dad9106234d8415d3746f3618cff65e0c606334980e8e77797.dat-decoded.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1724
- C:\Users\Admin\AppData\Local\Temp\172473828466b4d9f0ebb306e13dad9106234d8415d3746f3618cff65e0c606334980e8e77797.dat-decoded.exe
  C:\Users\Admin\AppData\Local\Temp\172473828466b4d9f0ebb306e13dad9106234d8415d3746f3618cff65e0c606334980e8e77797.dat-decoded.exe /stext "C:\Users\Admin\AppData\Local\Temp\mxuwpz"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:1208
- C:\Users\Admin\AppData\Local\Temp\172473828466b4d9f0ebb306e13dad9106234d8415d3746f3618cff65e0c606334980e8e77797.dat-decoded.exe
  C:\Users\Admin\AppData\Local\Temp\172473828466b4d9f0ebb306e13dad9106234d8415d3746f3618cff65e0c606334980e8e77797.dat-decoded.exe /stext "C:\Users\Admin\AppData\Local\Temp\prhoispbek"
  2⤵
  - Accesses Microsoft Outlook accounts
  - System Location Discovery: System Language Discovery
  PID:2020
- C:\Users\Admin\AppData\Local\Temp\172473828466b4d9f0ebb306e13dad9106234d8415d3746f3618cff65e0c606334980e8e77797.dat-decoded.exe
  C:\Users\Admin\AppData\Local\Temp\172473828466b4d9f0ebb306e13dad9106234d8415d3746f3618cff65e0c606334980e8e77797.dat-decoded.exe /stext "C:\Users\Admin\AppData\Local\Temp\ztnhikadsskwt"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:1668

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

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\Local\Temp\mxuwpz

Filesize
2B

MD5
f3b25701fe362ec84616a93a45ce9998

SHA1
d62636d8caec13f04e28442a0a6fa1afeb024bbb

SHA256
b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

SHA512
98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

Download Submit
memory/1208-14-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1208-24-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1208-17-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1208-13-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1208-1-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/1668-15-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1668-11-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1668-7-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1668-16-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1668-10-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1668-19-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1724-32-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/1724-33-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/1724-29-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/2020-2-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2020-6-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2020-27-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2020-4-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2020-5-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2020-9-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download

Analysis

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