caf42d7fbf9c9e246bf7266cd08a763f39ee1eaf06c7f6ce0758be2511458b5a

General

Target

caf42d7fbf9c9e246bf7266cd08a763f39ee1eaf06c7f6ce0758be2511458b5a.exe
Size

482KB
MD5

d82f58136dcb77606b7298c80818fbf8
SHA1

a1a75c2416da3bf3294e1953c88037a0eb551beb
SHA256

caf42d7fbf9c9e246bf7266cd08a763f39ee1eaf06c7f6ce0758be2511458b5a
SHA512

d845e38e727c2990e3a9a33ee1e97ed7c677c601f03a68aabe70c997983e3187932a5b6a3f5c335f69230b06701a9f8ec1ec40d39c5ce5e895750f3bb29522a8
SSDEEP

6144:KTz+c6KHYBhDc1RGJdv//NkUn+N5Bkf/0TELRvIZPjbsAOZZBAXccrS4T4:KTlrYw1RUh3NFn+N5WfIQIjbs/ZBkT4

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/2664-10-0x0000000000400000-0x0000000000462000-memory.dmp	Nirsoft
behavioral1/memory/2508-9-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral1/memory/2664-8-0x0000000000400000-0x0000000000462000-memory.dmp	Nirsoft
behavioral1/memory/2508-7-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral1/memory/2160-15-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral1/memory/2160-16-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral1/memory/2160-19-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral1/memory/2508-24-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral1/memory/2664-28-0x0000000000400000-0x0000000000462000-memory.dmp	Nirsoft

NirSoft MailPassView 3 IoCs

Password recovery tool for various email clients

resource	yara_rule
behavioral1/memory/2664-10-0x0000000000400000-0x0000000000462000-memory.dmp	MailPassView
behavioral1/memory/2664-8-0x0000000000400000-0x0000000000462000-memory.dmp	MailPassView
behavioral1/memory/2664-28-0x0000000000400000-0x0000000000462000-memory.dmp	MailPassView

NirSoft WebBrowserPassView 3 IoCs

Password recovery tool for various web browsers

resource	yara_rule
behavioral1/memory/2508-9-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView
behavioral1/memory/2508-7-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView
behavioral1/memory/2508-24-0x0000000000400000-0x0000000000478000-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-1-5-21-2172136094-3310281978-782691160-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts	caf42d7fbf9c9e246bf7266cd08a763f39ee1eaf06c7f6ce0758be2511458b5a.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 448 set thread context of 2508	448	caf42d7fbf9c9e246bf7266cd08a763f39ee1eaf06c7f6ce0758be2511458b5a.exe	29
PID 448 set thread context of 2664	448	caf42d7fbf9c9e246bf7266cd08a763f39ee1eaf06c7f6ce0758be2511458b5a.exe	30
PID 448 set thread context of 2160	448	caf42d7fbf9c9e246bf7266cd08a763f39ee1eaf06c7f6ce0758be2511458b5a.exe	31

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	caf42d7fbf9c9e246bf7266cd08a763f39ee1eaf06c7f6ce0758be2511458b5a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	caf42d7fbf9c9e246bf7266cd08a763f39ee1eaf06c7f6ce0758be2511458b5a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	caf42d7fbf9c9e246bf7266cd08a763f39ee1eaf06c7f6ce0758be2511458b5a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	caf42d7fbf9c9e246bf7266cd08a763f39ee1eaf06c7f6ce0758be2511458b5a.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2508	caf42d7fbf9c9e246bf7266cd08a763f39ee1eaf06c7f6ce0758be2511458b5a.exe
2508	caf42d7fbf9c9e246bf7266cd08a763f39ee1eaf06c7f6ce0758be2511458b5a.exe

Suspicious behavior: MapViewOfSection 3 IoCs

pid	Process
448	caf42d7fbf9c9e246bf7266cd08a763f39ee1eaf06c7f6ce0758be2511458b5a.exe
448	caf42d7fbf9c9e246bf7266cd08a763f39ee1eaf06c7f6ce0758be2511458b5a.exe
448	caf42d7fbf9c9e246bf7266cd08a763f39ee1eaf06c7f6ce0758be2511458b5a.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2160	caf42d7fbf9c9e246bf7266cd08a763f39ee1eaf06c7f6ce0758be2511458b5a.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
448	caf42d7fbf9c9e246bf7266cd08a763f39ee1eaf06c7f6ce0758be2511458b5a.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 448 wrote to memory of 2508	448	caf42d7fbf9c9e246bf7266cd08a763f39ee1eaf06c7f6ce0758be2511458b5a.exe	29
PID 448 wrote to memory of 2508	448	caf42d7fbf9c9e246bf7266cd08a763f39ee1eaf06c7f6ce0758be2511458b5a.exe	29
PID 448 wrote to memory of 2508	448	caf42d7fbf9c9e246bf7266cd08a763f39ee1eaf06c7f6ce0758be2511458b5a.exe	29
PID 448 wrote to memory of 2508	448	caf42d7fbf9c9e246bf7266cd08a763f39ee1eaf06c7f6ce0758be2511458b5a.exe	29
PID 448 wrote to memory of 2664	448	caf42d7fbf9c9e246bf7266cd08a763f39ee1eaf06c7f6ce0758be2511458b5a.exe	30
PID 448 wrote to memory of 2664	448	caf42d7fbf9c9e246bf7266cd08a763f39ee1eaf06c7f6ce0758be2511458b5a.exe	30
PID 448 wrote to memory of 2664	448	caf42d7fbf9c9e246bf7266cd08a763f39ee1eaf06c7f6ce0758be2511458b5a.exe	30
PID 448 wrote to memory of 2664	448	caf42d7fbf9c9e246bf7266cd08a763f39ee1eaf06c7f6ce0758be2511458b5a.exe	30
PID 448 wrote to memory of 2160	448	caf42d7fbf9c9e246bf7266cd08a763f39ee1eaf06c7f6ce0758be2511458b5a.exe	31
PID 448 wrote to memory of 2160	448	caf42d7fbf9c9e246bf7266cd08a763f39ee1eaf06c7f6ce0758be2511458b5a.exe	31
PID 448 wrote to memory of 2160	448	caf42d7fbf9c9e246bf7266cd08a763f39ee1eaf06c7f6ce0758be2511458b5a.exe	31
PID 448 wrote to memory of 2160	448	caf42d7fbf9c9e246bf7266cd08a763f39ee1eaf06c7f6ce0758be2511458b5a.exe	31

C:\Users\Admin\AppData\Local\Temp\caf42d7fbf9c9e246bf7266cd08a763f39ee1eaf06c7f6ce0758be2511458b5a.exe
"C:\Users\Admin\AppData\Local\Temp\caf42d7fbf9c9e246bf7266cd08a763f39ee1eaf06c7f6ce0758be2511458b5a.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:448
- C:\Users\Admin\AppData\Local\Temp\caf42d7fbf9c9e246bf7266cd08a763f39ee1eaf06c7f6ce0758be2511458b5a.exe
  C:\Users\Admin\AppData\Local\Temp\caf42d7fbf9c9e246bf7266cd08a763f39ee1eaf06c7f6ce0758be2511458b5a.exe /stext "C:\Users\Admin\AppData\Local\Temp\lxpjycdhnnlvhwpyykbfvzdhgwwxoi"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:2508
- C:\Users\Admin\AppData\Local\Temp\caf42d7fbf9c9e246bf7266cd08a763f39ee1eaf06c7f6ce0758be2511458b5a.exe
  C:\Users\Admin\AppData\Local\Temp\caf42d7fbf9c9e246bf7266cd08a763f39ee1eaf06c7f6ce0758be2511458b5a.exe /stext "C:\Users\Admin\AppData\Local\Temp\orubyuobavdajkdchvvhydxqgdoghtsnf"
  2⤵
  - Accesses Microsoft Outlook accounts
  - System Location Discovery: System Language Discovery
  PID:2664
- C:\Users\Admin\AppData\Local\Temp\caf42d7fbf9c9e246bf7266cd08a763f39ee1eaf06c7f6ce0758be2511458b5a.exe
  C:\Users\Admin\AppData\Local\Temp\caf42d7fbf9c9e246bf7266cd08a763f39ee1eaf06c7f6ce0758be2511458b5a.exe /stext "C:\Users\Admin\AppData\Local\Temp\ymzur"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2160

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

Loading Replay Monitor...

Downloads

C:\ProgramData\remcos\logs.dat

Filesize
144B

MD5
e0bcef44932875945ecc1724bbd8ad5c

SHA1
0b46e81f34f72848e7ab291d4bcdc02b0eb0d5dd

SHA256
07af54a7356c521ec73896db3b197e4db5686efa02b3038d9e06a0ba62451a66

SHA512
c1e0f7d208a68e45ccb02560c0dc3b5bd6ed1413e27a17d618cfbdfb3d3b0c75746a19951726bc3e7803a9c0c000a33715f44fb1938cb12b64997cff68d3c0af

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

Filesize
2B

MD5
f3b25701fe362ec84616a93a45ce9998

SHA1
d62636d8caec13f04e28442a0a6fa1afeb024bbb

SHA256
b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

SHA512
98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

Download Submit
memory/448-33-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/448-34-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/448-30-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/2160-15-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2160-19-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2160-12-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2160-17-0x0000000000430000-0x00000000005B1000-memory.dmp

Filesize
1.5MB

Download
memory/2160-14-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2160-16-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2508-1-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2508-24-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2508-7-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2508-9-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2508-3-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2664-4-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2664-6-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2664-28-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2664-8-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2664-10-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download

Analysis

Sharing