b065d78d5be477fa31886590dca6e95daec84296a2b5d9bd4d293fbc1cbf5cfc

General

Target

1736928426c18fddec09a2865189863f874127ef0886c6a264008603d3a139c5bad971edfc789.dat-decoded.exe
Size

482KB
MD5

a0453ab39ff4d213a85b94f1ad4478ac
SHA1

8a8f01321a77ac06693bded5cd39b3ca3197cf96
SHA256

b065d78d5be477fa31886590dca6e95daec84296a2b5d9bd4d293fbc1cbf5cfc
SHA512

51c1e03d1a7892d3b8943c42d6ee2a57cf077b041041f31278da272ebaeef575d689446cfddb53c1a71cd7fcffa4f96ed34e65032e184fbbe45ef0cad85f47d6
SSDEEP

12288:513ak/mBXTG4/1v08KI7ZnMEF76JqmsvZQMS:rak/mBXTV/R0nEF76gFZn

Score

9^/10

collection discovery spyware stealer

Malware Config

Signatures

Detected Nirsoft tools 9 IoCs

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

resource	yara_rule
behavioral1/memory/2620-24-0x0000000000400000-0x0000000000462000-memory.dmp	Nirsoft
behavioral1/memory/2620-23-0x0000000000400000-0x0000000000462000-memory.dmp	Nirsoft
behavioral1/memory/2620-22-0x0000000000400000-0x0000000000462000-memory.dmp	Nirsoft
behavioral1/memory/2576-21-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral1/memory/2932-29-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral1/memory/2932-30-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral1/memory/2932-33-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral1/memory/2576-38-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral1/memory/2620-42-0x0000000000400000-0x0000000000462000-memory.dmp	Nirsoft

NirSoft MailPassView 4 IoCs

Password recovery tool for various email clients

resource	yara_rule
behavioral1/memory/2620-24-0x0000000000400000-0x0000000000462000-memory.dmp	MailPassView
behavioral1/memory/2620-23-0x0000000000400000-0x0000000000462000-memory.dmp	MailPassView
behavioral1/memory/2620-22-0x0000000000400000-0x0000000000462000-memory.dmp	MailPassView
behavioral1/memory/2620-42-0x0000000000400000-0x0000000000462000-memory.dmp	MailPassView

NirSoft WebBrowserPassView 2 IoCs

Password recovery tool for various web browsers

resource	yara_rule
behavioral1/memory/2576-21-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView
behavioral1/memory/2576-38-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView

Deletes itself 1 IoCs

pid	Process
1748	WScript.exe

Reads user/profile data of web browsers 3 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

Credentials from Web Browsers
T1555.003

Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts	1736928426c18fddec09a2865189863f874127ef0886c6a264008603d3a139c5bad971edfc789.dat-decoded.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2196 set thread context of 2576	2196	1736928426c18fddec09a2865189863f874127ef0886c6a264008603d3a139c5bad971edfc789.dat-decoded.exe	31
PID 2196 set thread context of 2620	2196	1736928426c18fddec09a2865189863f874127ef0886c6a264008603d3a139c5bad971edfc789.dat-decoded.exe	32
PID 2196 set thread context of 2932	2196	1736928426c18fddec09a2865189863f874127ef0886c6a264008603d3a139c5bad971edfc789.dat-decoded.exe	33

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 5 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	1736928426c18fddec09a2865189863f874127ef0886c6a264008603d3a139c5bad971edfc789.dat-decoded.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1736928426c18fddec09a2865189863f874127ef0886c6a264008603d3a139c5bad971edfc789.dat-decoded.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1736928426c18fddec09a2865189863f874127ef0886c6a264008603d3a139c5bad971edfc789.dat-decoded.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1736928426c18fddec09a2865189863f874127ef0886c6a264008603d3a139c5bad971edfc789.dat-decoded.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WScript.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2576	1736928426c18fddec09a2865189863f874127ef0886c6a264008603d3a139c5bad971edfc789.dat-decoded.exe
2576	1736928426c18fddec09a2865189863f874127ef0886c6a264008603d3a139c5bad971edfc789.dat-decoded.exe

Suspicious behavior: MapViewOfSection 3 IoCs

pid	Process
2196	1736928426c18fddec09a2865189863f874127ef0886c6a264008603d3a139c5bad971edfc789.dat-decoded.exe
2196	1736928426c18fddec09a2865189863f874127ef0886c6a264008603d3a139c5bad971edfc789.dat-decoded.exe
2196	1736928426c18fddec09a2865189863f874127ef0886c6a264008603d3a139c5bad971edfc789.dat-decoded.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2932	1736928426c18fddec09a2865189863f874127ef0886c6a264008603d3a139c5bad971edfc789.dat-decoded.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2196	1736928426c18fddec09a2865189863f874127ef0886c6a264008603d3a139c5bad971edfc789.dat-decoded.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2196 wrote to memory of 2576	2196	1736928426c18fddec09a2865189863f874127ef0886c6a264008603d3a139c5bad971edfc789.dat-decoded.exe	31
PID 2196 wrote to memory of 2576	2196	1736928426c18fddec09a2865189863f874127ef0886c6a264008603d3a139c5bad971edfc789.dat-decoded.exe	31
PID 2196 wrote to memory of 2576	2196	1736928426c18fddec09a2865189863f874127ef0886c6a264008603d3a139c5bad971edfc789.dat-decoded.exe	31
PID 2196 wrote to memory of 2576	2196	1736928426c18fddec09a2865189863f874127ef0886c6a264008603d3a139c5bad971edfc789.dat-decoded.exe	31
PID 2196 wrote to memory of 2620	2196	1736928426c18fddec09a2865189863f874127ef0886c6a264008603d3a139c5bad971edfc789.dat-decoded.exe	32
PID 2196 wrote to memory of 2620	2196	1736928426c18fddec09a2865189863f874127ef0886c6a264008603d3a139c5bad971edfc789.dat-decoded.exe	32
PID 2196 wrote to memory of 2620	2196	1736928426c18fddec09a2865189863f874127ef0886c6a264008603d3a139c5bad971edfc789.dat-decoded.exe	32
PID 2196 wrote to memory of 2620	2196	1736928426c18fddec09a2865189863f874127ef0886c6a264008603d3a139c5bad971edfc789.dat-decoded.exe	32
PID 2196 wrote to memory of 2932	2196	1736928426c18fddec09a2865189863f874127ef0886c6a264008603d3a139c5bad971edfc789.dat-decoded.exe	33
PID 2196 wrote to memory of 2932	2196	1736928426c18fddec09a2865189863f874127ef0886c6a264008603d3a139c5bad971edfc789.dat-decoded.exe	33
PID 2196 wrote to memory of 2932	2196	1736928426c18fddec09a2865189863f874127ef0886c6a264008603d3a139c5bad971edfc789.dat-decoded.exe	33
PID 2196 wrote to memory of 2932	2196	1736928426c18fddec09a2865189863f874127ef0886c6a264008603d3a139c5bad971edfc789.dat-decoded.exe	33
PID 2196 wrote to memory of 1748	2196	1736928426c18fddec09a2865189863f874127ef0886c6a264008603d3a139c5bad971edfc789.dat-decoded.exe	35
PID 2196 wrote to memory of 1748	2196	1736928426c18fddec09a2865189863f874127ef0886c6a264008603d3a139c5bad971edfc789.dat-decoded.exe	35
PID 2196 wrote to memory of 1748	2196	1736928426c18fddec09a2865189863f874127ef0886c6a264008603d3a139c5bad971edfc789.dat-decoded.exe	35
PID 2196 wrote to memory of 1748	2196	1736928426c18fddec09a2865189863f874127ef0886c6a264008603d3a139c5bad971edfc789.dat-decoded.exe	35

C:\Users\Admin\AppData\Local\Temp\1736928426c18fddec09a2865189863f874127ef0886c6a264008603d3a139c5bad971edfc789.dat-decoded.exe
"C:\Users\Admin\AppData\Local\Temp\1736928426c18fddec09a2865189863f874127ef0886c6a264008603d3a139c5bad971edfc789.dat-decoded.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2196
- C:\Users\Admin\AppData\Local\Temp\1736928426c18fddec09a2865189863f874127ef0886c6a264008603d3a139c5bad971edfc789.dat-decoded.exe
  C:\Users\Admin\AppData\Local\Temp\1736928426c18fddec09a2865189863f874127ef0886c6a264008603d3a139c5bad971edfc789.dat-decoded.exe /stext "C:\Users\Admin\AppData\Local\Temp\mdoscnpztwclakaqs"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:2576
- C:\Users\Admin\AppData\Local\Temp\1736928426c18fddec09a2865189863f874127ef0886c6a264008603d3a139c5bad971edfc789.dat-decoded.exe
  C:\Users\Admin\AppData\Local\Temp\1736928426c18fddec09a2865189863f874127ef0886c6a264008603d3a139c5bad971edfc789.dat-decoded.exe /stext "C:\Users\Admin\AppData\Local\Temp\wftldfatpeuylqocjhvwr"
  2⤵
  - Accesses Microsoft Outlook accounts
  - System Location Discovery: System Language Discovery
  PID:2620
- C:\Users\Admin\AppData\Local\Temp\1736928426c18fddec09a2865189863f874127ef0886c6a264008603d3a139c5bad971edfc789.dat-decoded.exe
  C:\Users\Admin\AppData\Local\Temp\1736928426c18fddec09a2865189863f874127ef0886c6a264008603d3a139c5bad971edfc789.dat-decoded.exe /stext "C:\Users\Admin\AppData\Local\Temp\zayeeyludnmdnxkgsrhyumde"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2932
- C:\Windows\SysWOW64\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\snjxcuxwgkrohomcgfcwabzc.vbs"
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:1748

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 Information Discovery

1

T1082

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:\ProgramData\remcos\logs.dat

Filesize
144B

MD5
567408c0d7484f116634e536c1779204

SHA1
0b60611c97cc9af04b51210256a497aac56a61e8

SHA256
b87bfe3e541e9b34f47309294317a616a2468d4b9ce399aea8bbc8cf15daece3

SHA512
cd3f651a3cd6b363709fa5f871f9f8f120b0d179d78a13a695ce6cb92f8b5205178b3be561ca25d3399db3eb8479aaa5b8da68eda8cd02aac8c33bfaf6640a35

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

Filesize
2B

MD5
f3b25701fe362ec84616a93a45ce9998

SHA1
d62636d8caec13f04e28442a0a6fa1afeb024bbb

SHA256
b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

SHA512
98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

Download Submit
C:\Users\Admin\AppData\Local\Temp\snjxcuxwgkrohomcgfcwabzc.vbs

Filesize
828B

MD5
b2f45daeb981cb8e6535c14d9c148df2

SHA1
e8ea24d6c8b1921e7eb1cf838561ecce0a89c8c2

SHA256
064d88659623dbaa45a9a0f64a48e767effd8f5b73a82fd4b15d87f9a609785f

SHA512
02084fa5663f41879187d42836ebb8d9467040ad9f5f7b74a6185e42977415d0bd3d8f942edaa7c2ea7edf35e4082ee2ccce113cce9deb1558f210df7cea9901

Download Submit
memory/2196-47-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/2196-48-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/2196-44-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/2576-38-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2576-14-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2576-17-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2576-18-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2576-21-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2620-20-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2620-22-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2620-42-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2620-23-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2620-24-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2620-15-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2932-30-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2932-28-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2932-33-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2932-29-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2932-26-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download

Analysis

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