997371c951144335618b3c5f4608afebf7688a58b6a95cdc71f237f2a7cc56a2

General

Target

download1.exe
Size

483KB
MD5

b0b179cb58814287051a3933455c382e
SHA1

23bb06299fe32cc15786f9b79c22e5d7af50802a
SHA256

997371c951144335618b3c5f4608afebf7688a58b6a95cdc71f237f2a7cc56a2
SHA512

6c0c6fbd544517b05e17cdd15e64698df5683b51a9fc79dfe51e18c62202d2d45626ba41e6c9b7b7ae507ce474c948f501971815afa6accc81b4268afafb11c9
SSDEEP

6144:RTz+c6KHYBhDc1RGJdv//NkUn+N5Bkf/0TELRvIZPjbsAOZZmAX4crgWT4:RTlrYw1RUh3NFn+N5WfIQIjbs/ZmgT4

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 8 IoCs

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

resource	yara_rule
behavioral1/memory/2072-9-0x0000000000400000-0x0000000000462000-memory.dmp	Nirsoft
behavioral1/memory/2112-19-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral1/memory/2112-16-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral1/memory/2216-13-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral1/memory/2072-12-0x0000000000400000-0x0000000000462000-memory.dmp	Nirsoft
behavioral1/memory/2216-7-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral1/memory/2216-24-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral1/memory/2072-28-0x0000000000400000-0x0000000000462000-memory.dmp	Nirsoft

NirSoft MailPassView 3 IoCs

Password recovery tool for various email clients

resource	yara_rule
behavioral1/memory/2072-9-0x0000000000400000-0x0000000000462000-memory.dmp	MailPassView
behavioral1/memory/2072-12-0x0000000000400000-0x0000000000462000-memory.dmp	MailPassView
behavioral1/memory/2072-28-0x0000000000400000-0x0000000000462000-memory.dmp	MailPassView

NirSoft WebBrowserPassView 3 IoCs

Password recovery tool for various web browsers

resource	yara_rule
behavioral1/memory/2216-13-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView
behavioral1/memory/2216-7-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView
behavioral1/memory/2216-24-0x0000000000400000-0x0000000000478000-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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts	download1.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2512 set thread context of 2216	2512	download1.exe	31
PID 2512 set thread context of 2072	2512	download1.exe	32
PID 2512 set thread context of 2112	2512	download1.exe	33

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	download1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	download1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	download1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	download1.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2216	download1.exe
2216	download1.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2512	download1.exe

Suspicious behavior: MapViewOfSection 3 IoCs

pid	Process
2512	download1.exe
2512	download1.exe
2512	download1.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2112	download1.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2512	download1.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2512 wrote to memory of 2216	2512	download1.exe	31
PID 2512 wrote to memory of 2216	2512	download1.exe	31
PID 2512 wrote to memory of 2216	2512	download1.exe	31
PID 2512 wrote to memory of 2216	2512	download1.exe	31
PID 2512 wrote to memory of 2072	2512	download1.exe	32
PID 2512 wrote to memory of 2072	2512	download1.exe	32
PID 2512 wrote to memory of 2072	2512	download1.exe	32
PID 2512 wrote to memory of 2072	2512	download1.exe	32
PID 2512 wrote to memory of 2112	2512	download1.exe	33
PID 2512 wrote to memory of 2112	2512	download1.exe	33
PID 2512 wrote to memory of 2112	2512	download1.exe	33
PID 2512 wrote to memory of 2112	2512	download1.exe	33

C:\Users\Admin\AppData\Local\Temp\download1.exe
"C:\Users\Admin\AppData\Local\Temp\download1.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2512
- C:\Users\Admin\AppData\Local\Temp\download1.exe
  C:\Users\Admin\AppData\Local\Temp\download1.exe /stext "C:\Users\Admin\AppData\Local\Temp\orxyjrbgzbtabfrzelcmlxkuwior"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:2216
- C:\Users\Admin\AppData\Local\Temp\download1.exe
  C:\Users\Admin\AppData\Local\Temp\download1.exe /stext "C:\Users\Admin\AppData\Local\Temp\qtdrbkuzvjlfetfdnvpgwbfdwpgsgdn"
  2⤵
  - Accesses Microsoft Outlook accounts
  - System Location Discovery: System Language Discovery
  PID:2072
- C:\Users\Admin\AppData\Local\Temp\download1.exe
  C:\Users\Admin\AppData\Local\Temp\download1.exe /stext "C:\Users\Admin\AppData\Local\Temp\bnijccebjrdkoabhfgbhzoaufwpbhodqih"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2112

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\notpad0\logs.dat

Filesize
230B

MD5
6b0a7e3f4bc2d6644fffba214cccccf4

SHA1
02e5a51635103c9fe24f2b9379960c46bb50cdbe

SHA256
2b0888dba6c7bc83eee59efc71411195616e56bc7e4610d78db811fd697b2986

SHA512
8a583ace21b45c41fba95bdeeb609e9885aa10bf00e6781ab5832e5dd3dad2289ed9ac85fee3c2e7c4897867e16dfb0ceb7f7bc27b1ec4779a3dcc72845a3636

Download Submit
C:\Users\Admin\AppData\Local\Temp\orxyjrbgzbtabfrzelcmlxkuwior

Filesize
2B

MD5
f3b25701fe362ec84616a93a45ce9998

SHA1
d62636d8caec13f04e28442a0a6fa1afeb024bbb

SHA256
b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

SHA512
98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

Download Submit
memory/2072-12-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2072-9-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2072-28-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2072-6-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2072-2-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2112-11-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2112-15-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2112-14-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2112-16-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2112-8-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2112-19-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2112-17-0x0000000000430000-0x0000000000497000-memory.dmp

Filesize
412KB

Download
memory/2216-24-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2216-4-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2216-7-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2216-13-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2216-1-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2512-30-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/2512-34-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/2512-33-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download

Analysis

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