fc23fccddb3ba337790386c047f3e09dcadf9cedae38cb11e14e6aae12ab1940

General

Target

17261710865859b5a4fbe59d9fe7633c58ddbfcf673aced5c1e11544a7b094de3c06aa9e30185.dat-decoded.exe
Size

483KB
MD5

ec6ab34d1735320d12edba8b85825e52
SHA1

722efe9572a7abc8f2d4b95fd63ebaf9572b214f
SHA256

fc23fccddb3ba337790386c047f3e09dcadf9cedae38cb11e14e6aae12ab1940
SHA512

25c365a755b680e9920c99fcd74fb90bc324205ed9ef2bca03cf6c4166ffd50fc0511db0498e238e25ebc259a1f1d6c8b1068ab56d9d4e08f8ca09f8a39fd003
SSDEEP

6144:wTz+c6KHYBhDc1RGJdv//NkUn+N5Bkf/0TELRvIZPjbsAOZZBAXccrreT4:wTlrYw1RUh3NFn+N5WfIQIjbs/ZB5T4

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 10 IoCs

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

resource	yara_rule
behavioral1/memory/3064-12-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral1/memory/3064-11-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral1/memory/2732-7-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral1/memory/3064-14-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral1/memory/2608-18-0x0000000000400000-0x0000000000462000-memory.dmp	Nirsoft
behavioral1/memory/2608-17-0x0000000000400000-0x0000000000462000-memory.dmp	Nirsoft
behavioral1/memory/2732-6-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral1/memory/2732-5-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral1/memory/2732-23-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral1/memory/2608-31-0x0000000000400000-0x0000000000462000-memory.dmp	Nirsoft

NirSoft MailPassView 3 IoCs

Password recovery tool for various email clients

resource	yara_rule
behavioral1/memory/2608-18-0x0000000000400000-0x0000000000462000-memory.dmp	MailPassView
behavioral1/memory/2608-17-0x0000000000400000-0x0000000000462000-memory.dmp	MailPassView
behavioral1/memory/2608-31-0x0000000000400000-0x0000000000462000-memory.dmp	MailPassView

NirSoft WebBrowserPassView 4 IoCs

Password recovery tool for various web browsers

resource	yara_rule
behavioral1/memory/2732-7-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView
behavioral1/memory/2732-6-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView
behavioral1/memory/2732-5-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView
behavioral1/memory/2732-23-0x0000000000400000-0x0000000000478000-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-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts	17261710865859b5a4fbe59d9fe7633c58ddbfcf673aced5c1e11544a7b094de3c06aa9e30185.dat-decoded.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2176 set thread context of 2732	2176	17261710865859b5a4fbe59d9fe7633c58ddbfcf673aced5c1e11544a7b094de3c06aa9e30185.dat-decoded.exe	30
PID 2176 set thread context of 2608	2176	17261710865859b5a4fbe59d9fe7633c58ddbfcf673aced5c1e11544a7b094de3c06aa9e30185.dat-decoded.exe	31
PID 2176 set thread context of 3064	2176	17261710865859b5a4fbe59d9fe7633c58ddbfcf673aced5c1e11544a7b094de3c06aa9e30185.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	17261710865859b5a4fbe59d9fe7633c58ddbfcf673aced5c1e11544a7b094de3c06aa9e30185.dat-decoded.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	17261710865859b5a4fbe59d9fe7633c58ddbfcf673aced5c1e11544a7b094de3c06aa9e30185.dat-decoded.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	17261710865859b5a4fbe59d9fe7633c58ddbfcf673aced5c1e11544a7b094de3c06aa9e30185.dat-decoded.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	17261710865859b5a4fbe59d9fe7633c58ddbfcf673aced5c1e11544a7b094de3c06aa9e30185.dat-decoded.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2732	17261710865859b5a4fbe59d9fe7633c58ddbfcf673aced5c1e11544a7b094de3c06aa9e30185.dat-decoded.exe
2732	17261710865859b5a4fbe59d9fe7633c58ddbfcf673aced5c1e11544a7b094de3c06aa9e30185.dat-decoded.exe

Suspicious behavior: MapViewOfSection 3 IoCs

pid	Process
2176	17261710865859b5a4fbe59d9fe7633c58ddbfcf673aced5c1e11544a7b094de3c06aa9e30185.dat-decoded.exe
2176	17261710865859b5a4fbe59d9fe7633c58ddbfcf673aced5c1e11544a7b094de3c06aa9e30185.dat-decoded.exe
2176	17261710865859b5a4fbe59d9fe7633c58ddbfcf673aced5c1e11544a7b094de3c06aa9e30185.dat-decoded.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3064	17261710865859b5a4fbe59d9fe7633c58ddbfcf673aced5c1e11544a7b094de3c06aa9e30185.dat-decoded.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2176 wrote to memory of 2732	2176	17261710865859b5a4fbe59d9fe7633c58ddbfcf673aced5c1e11544a7b094de3c06aa9e30185.dat-decoded.exe	30
PID 2176 wrote to memory of 2732	2176	17261710865859b5a4fbe59d9fe7633c58ddbfcf673aced5c1e11544a7b094de3c06aa9e30185.dat-decoded.exe	30
PID 2176 wrote to memory of 2732	2176	17261710865859b5a4fbe59d9fe7633c58ddbfcf673aced5c1e11544a7b094de3c06aa9e30185.dat-decoded.exe	30
PID 2176 wrote to memory of 2732	2176	17261710865859b5a4fbe59d9fe7633c58ddbfcf673aced5c1e11544a7b094de3c06aa9e30185.dat-decoded.exe	30
PID 2176 wrote to memory of 2608	2176	17261710865859b5a4fbe59d9fe7633c58ddbfcf673aced5c1e11544a7b094de3c06aa9e30185.dat-decoded.exe	31
PID 2176 wrote to memory of 2608	2176	17261710865859b5a4fbe59d9fe7633c58ddbfcf673aced5c1e11544a7b094de3c06aa9e30185.dat-decoded.exe	31
PID 2176 wrote to memory of 2608	2176	17261710865859b5a4fbe59d9fe7633c58ddbfcf673aced5c1e11544a7b094de3c06aa9e30185.dat-decoded.exe	31
PID 2176 wrote to memory of 2608	2176	17261710865859b5a4fbe59d9fe7633c58ddbfcf673aced5c1e11544a7b094de3c06aa9e30185.dat-decoded.exe	31
PID 2176 wrote to memory of 3064	2176	17261710865859b5a4fbe59d9fe7633c58ddbfcf673aced5c1e11544a7b094de3c06aa9e30185.dat-decoded.exe	32
PID 2176 wrote to memory of 3064	2176	17261710865859b5a4fbe59d9fe7633c58ddbfcf673aced5c1e11544a7b094de3c06aa9e30185.dat-decoded.exe	32
PID 2176 wrote to memory of 3064	2176	17261710865859b5a4fbe59d9fe7633c58ddbfcf673aced5c1e11544a7b094de3c06aa9e30185.dat-decoded.exe	32
PID 2176 wrote to memory of 3064	2176	17261710865859b5a4fbe59d9fe7633c58ddbfcf673aced5c1e11544a7b094de3c06aa9e30185.dat-decoded.exe	32

C:\Users\Admin\AppData\Local\Temp\17261710865859b5a4fbe59d9fe7633c58ddbfcf673aced5c1e11544a7b094de3c06aa9e30185.dat-decoded.exe
"C:\Users\Admin\AppData\Local\Temp\17261710865859b5a4fbe59d9fe7633c58ddbfcf673aced5c1e11544a7b094de3c06aa9e30185.dat-decoded.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2176
- C:\Users\Admin\AppData\Local\Temp\17261710865859b5a4fbe59d9fe7633c58ddbfcf673aced5c1e11544a7b094de3c06aa9e30185.dat-decoded.exe
  C:\Users\Admin\AppData\Local\Temp\17261710865859b5a4fbe59d9fe7633c58ddbfcf673aced5c1e11544a7b094de3c06aa9e30185.dat-decoded.exe /stext "C:\Users\Admin\AppData\Local\Temp\zgnn"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:2732
- C:\Users\Admin\AppData\Local\Temp\17261710865859b5a4fbe59d9fe7633c58ddbfcf673aced5c1e11544a7b094de3c06aa9e30185.dat-decoded.exe
  C:\Users\Admin\AppData\Local\Temp\17261710865859b5a4fbe59d9fe7633c58ddbfcf673aced5c1e11544a7b094de3c06aa9e30185.dat-decoded.exe /stext "C:\Users\Admin\AppData\Local\Temp\kiayvuh"
  2⤵
  - Accesses Microsoft Outlook accounts
  - System Location Discovery: System Language Discovery
  PID:2608
- C:\Users\Admin\AppData\Local\Temp\17261710865859b5a4fbe59d9fe7633c58ddbfcf673aced5c1e11544a7b094de3c06aa9e30185.dat-decoded.exe
  C:\Users\Admin\AppData\Local\Temp\17261710865859b5a4fbe59d9fe7633c58ddbfcf673aced5c1e11544a7b094de3c06aa9e30185.dat-decoded.exe /stext "C:\Users\Admin\AppData\Local\Temp\mcfrwnsgwc"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:3064

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\zgnn

Filesize
2B

MD5
f3b25701fe362ec84616a93a45ce9998

SHA1
d62636d8caec13f04e28442a0a6fa1afeb024bbb

SHA256
b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

SHA512
98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

Download Submit
memory/2176-30-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/2176-29-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/2176-26-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/2608-17-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2608-18-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2608-31-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2608-3-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2608-16-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2732-6-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2732-2-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2732-5-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2732-23-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2732-4-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2732-7-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/3064-10-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/3064-14-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/3064-11-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/3064-12-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/3064-8-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download

Analysis

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