a4e7c1a4bb830c731b60d90c8dea0f01367c3bdc74ae782edfee29507960f2e4

General

Target

a4e7c1a4bb830c731b60d90c8dea0f01367c3bdc74ae782edfee29507960f2e4.exe
Size

481KB
MD5

f304fc01ee11d8249245b35c4fa4191b
SHA1

147a961c90cda69b8acbc12cf07c5d25762b625c
SHA256

a4e7c1a4bb830c731b60d90c8dea0f01367c3bdc74ae782edfee29507960f2e4
SHA512

9a924cbc7c47ddd1e0e067a9063ba9b526f224fd6e28e6fe9bcfa5ecd74f6bc2baf509a40cbcb4d6bcb76f0d316c6f165ff834719d2a9dd250d1659c2c55c2ce
SSDEEP

12288:LuD09AUkNIGBYYv4eK13x13nZHSRVMf139F5wIB7+IwtHwBtVxbesvZDSo+DYj:O09AfNIEYsunZvZ19ZTsC

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/2540-13-0x0000000000400000-0x0000000000462000-memory.dmp	Nirsoft
behavioral1/memory/2968-12-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral1/memory/2540-11-0x0000000000400000-0x0000000000462000-memory.dmp	Nirsoft
behavioral1/memory/2968-10-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral1/memory/2540-9-0x0000000000400000-0x0000000000462000-memory.dmp	Nirsoft
behavioral1/memory/2912-18-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral1/memory/2912-21-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral1/memory/2968-26-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral1/memory/2540-30-0x0000000000400000-0x0000000000462000-memory.dmp	Nirsoft

NirSoft MailPassView 4 IoCs

Password recovery tool for various email clients

resource	yara_rule
behavioral1/memory/2540-13-0x0000000000400000-0x0000000000462000-memory.dmp	MailPassView
behavioral1/memory/2540-11-0x0000000000400000-0x0000000000462000-memory.dmp	MailPassView
behavioral1/memory/2540-9-0x0000000000400000-0x0000000000462000-memory.dmp	MailPassView
behavioral1/memory/2540-30-0x0000000000400000-0x0000000000462000-memory.dmp	MailPassView

NirSoft WebBrowserPassView 3 IoCs

Password recovery tool for various web browsers

resource	yara_rule
behavioral1/memory/2968-12-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView
behavioral1/memory/2968-10-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView
behavioral1/memory/2968-26-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView

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-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts	a4e7c1a4bb830c731b60d90c8dea0f01367c3bdc74ae782edfee29507960f2e4.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2276 set thread context of 2968	2276	a4e7c1a4bb830c731b60d90c8dea0f01367c3bdc74ae782edfee29507960f2e4.exe	28
PID 2276 set thread context of 2540	2276	a4e7c1a4bb830c731b60d90c8dea0f01367c3bdc74ae782edfee29507960f2e4.exe	29
PID 2276 set thread context of 2912	2276	a4e7c1a4bb830c731b60d90c8dea0f01367c3bdc74ae782edfee29507960f2e4.exe	30

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	a4e7c1a4bb830c731b60d90c8dea0f01367c3bdc74ae782edfee29507960f2e4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a4e7c1a4bb830c731b60d90c8dea0f01367c3bdc74ae782edfee29507960f2e4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a4e7c1a4bb830c731b60d90c8dea0f01367c3bdc74ae782edfee29507960f2e4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a4e7c1a4bb830c731b60d90c8dea0f01367c3bdc74ae782edfee29507960f2e4.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2968	a4e7c1a4bb830c731b60d90c8dea0f01367c3bdc74ae782edfee29507960f2e4.exe
2968	a4e7c1a4bb830c731b60d90c8dea0f01367c3bdc74ae782edfee29507960f2e4.exe

Suspicious behavior: MapViewOfSection 3 IoCs

pid	Process
2276	a4e7c1a4bb830c731b60d90c8dea0f01367c3bdc74ae782edfee29507960f2e4.exe
2276	a4e7c1a4bb830c731b60d90c8dea0f01367c3bdc74ae782edfee29507960f2e4.exe
2276	a4e7c1a4bb830c731b60d90c8dea0f01367c3bdc74ae782edfee29507960f2e4.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2912	a4e7c1a4bb830c731b60d90c8dea0f01367c3bdc74ae782edfee29507960f2e4.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2276	a4e7c1a4bb830c731b60d90c8dea0f01367c3bdc74ae782edfee29507960f2e4.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2276 wrote to memory of 2968	2276	a4e7c1a4bb830c731b60d90c8dea0f01367c3bdc74ae782edfee29507960f2e4.exe	28
PID 2276 wrote to memory of 2968	2276	a4e7c1a4bb830c731b60d90c8dea0f01367c3bdc74ae782edfee29507960f2e4.exe	28
PID 2276 wrote to memory of 2968	2276	a4e7c1a4bb830c731b60d90c8dea0f01367c3bdc74ae782edfee29507960f2e4.exe	28
PID 2276 wrote to memory of 2968	2276	a4e7c1a4bb830c731b60d90c8dea0f01367c3bdc74ae782edfee29507960f2e4.exe	28
PID 2276 wrote to memory of 2540	2276	a4e7c1a4bb830c731b60d90c8dea0f01367c3bdc74ae782edfee29507960f2e4.exe	29
PID 2276 wrote to memory of 2540	2276	a4e7c1a4bb830c731b60d90c8dea0f01367c3bdc74ae782edfee29507960f2e4.exe	29
PID 2276 wrote to memory of 2540	2276	a4e7c1a4bb830c731b60d90c8dea0f01367c3bdc74ae782edfee29507960f2e4.exe	29
PID 2276 wrote to memory of 2540	2276	a4e7c1a4bb830c731b60d90c8dea0f01367c3bdc74ae782edfee29507960f2e4.exe	29
PID 2276 wrote to memory of 2912	2276	a4e7c1a4bb830c731b60d90c8dea0f01367c3bdc74ae782edfee29507960f2e4.exe	30
PID 2276 wrote to memory of 2912	2276	a4e7c1a4bb830c731b60d90c8dea0f01367c3bdc74ae782edfee29507960f2e4.exe	30
PID 2276 wrote to memory of 2912	2276	a4e7c1a4bb830c731b60d90c8dea0f01367c3bdc74ae782edfee29507960f2e4.exe	30
PID 2276 wrote to memory of 2912	2276	a4e7c1a4bb830c731b60d90c8dea0f01367c3bdc74ae782edfee29507960f2e4.exe	30

C:\Users\Admin\AppData\Local\Temp\a4e7c1a4bb830c731b60d90c8dea0f01367c3bdc74ae782edfee29507960f2e4.exe
"C:\Users\Admin\AppData\Local\Temp\a4e7c1a4bb830c731b60d90c8dea0f01367c3bdc74ae782edfee29507960f2e4.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2276
- C:\Users\Admin\AppData\Local\Temp\a4e7c1a4bb830c731b60d90c8dea0f01367c3bdc74ae782edfee29507960f2e4.exe
  C:\Users\Admin\AppData\Local\Temp\a4e7c1a4bb830c731b60d90c8dea0f01367c3bdc74ae782edfee29507960f2e4.exe /stext "C:\Users\Admin\AppData\Local\Temp\yrmvaqwvm"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:2968
- C:\Users\Admin\AppData\Local\Temp\a4e7c1a4bb830c731b60d90c8dea0f01367c3bdc74ae782edfee29507960f2e4.exe
  C:\Users\Admin\AppData\Local\Temp\a4e7c1a4bb830c731b60d90c8dea0f01367c3bdc74ae782edfee29507960f2e4.exe /stext "C:\Users\Admin\AppData\Local\Temp\itrobigpabfn"
  2⤵
  - Accesses Microsoft Outlook accounts
  - System Location Discovery: System Language Discovery
  PID:2540
- C:\Users\Admin\AppData\Local\Temp\a4e7c1a4bb830c731b60d90c8dea0f01367c3bdc74ae782edfee29507960f2e4.exe
  C:\Users\Admin\AppData\Local\Temp\a4e7c1a4bb830c731b60d90c8dea0f01367c3bdc74ae782edfee29507960f2e4.exe /stext "C:\Users\Admin\AppData\Local\Temp\lnwhcbrqojxshab"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2912

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:\ProgramData\remcos\logs.dat

Filesize
144B

MD5
6ec66e1d29280db29a0624ca96e94725

SHA1
091550560fd80cc08623bb11d39e61999706c31a

SHA256
7215d22047fdb55f01d11f6abe8c9376db2857c4e72520cfe8e779799f30c76a

SHA512
0919c03b3bd1f6dc7edcb18af1396e5b90d8c99dcb73c529a14f14bf5e2ce146804f2647e330ac140cb4837398b45df217a540e025ac6cbf6aac76b8048e27c2

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

Filesize
2B

MD5
f3b25701fe362ec84616a93a45ce9998

SHA1
d62636d8caec13f04e28442a0a6fa1afeb024bbb

SHA256
b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

SHA512
98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

Download Submit
memory/2276-32-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/2276-35-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/2276-36-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/2540-11-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2540-30-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2540-9-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2540-3-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2540-7-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2540-13-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2912-18-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2912-21-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2912-17-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2912-16-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2912-14-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2968-10-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2968-26-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2968-2-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2968-12-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2968-8-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download

Analysis

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