remcos | 0acd167b4b07ca846877f194af78abcf4528246358947c12dffad914df3df5cd

General

Target

0acd167b4b07ca846877f194af78abcf4528246358947c12dffad914df3df5cd.exe
Size

483KB
MD5

1b747f895701f3ac238a13c789206144
SHA1

a20cffd281aa161ee519da9902ab2a998e013e5e
SHA256

0acd167b4b07ca846877f194af78abcf4528246358947c12dffad914df3df5cd
SHA512

1fd89f37ca4831132776a27275207e241a2c55042fd4b87beb6e629219fbb209448b363741b503a03729a76041dd9a3d79562db1a376f4d73103b6bdfefe6a7e
SSDEEP

6144:kXIktXfM8Lv86r9uVWAa2je4Z5zl4hgDHQQs4NTQjoHFsAOZZoAX0cNm5Gv:kX7tPMK8ctGe4Dzl4h2QnuPs/ZoXcv

Score

10^/10

remcos zynova collection credential_access discovery rat spyware stealer

Malware Config

Extracted

Family

remcos

Botnet

zynova

C2

dogmand.duckdns.org:14645

Attributes

audio_folder
MicRecords
audio_record_time
5
connect_delay
0
connect_interval
1
copy_file
remcos.exe
copy_folder
Remcos
delete_file
false
hide_file
false
hide_keylog_file
false
install_flag
false
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
remcos
mouse_option
false
mutex
Rmc-328V14
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
take_screenshot_option
false
take_screenshot_time
5

Signatures

Remcos
Remcos is a closed-source remote control and surveillance software.
rat remcos
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 7 IoCs

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

resource	yara_rule
behavioral2/memory/3240-13-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral2/memory/996-21-0x0000000000400000-0x0000000000462000-memory.dmp	Nirsoft
behavioral2/memory/996-23-0x0000000000400000-0x0000000000462000-memory.dmp	Nirsoft
behavioral2/memory/3800-20-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral2/memory/996-19-0x0000000000400000-0x0000000000462000-memory.dmp	Nirsoft
behavioral2/memory/3800-14-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral2/memory/3240-26-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft

NirSoft MailPassView 3 IoCs

Password recovery tool for various email clients

resource	yara_rule
behavioral2/memory/996-21-0x0000000000400000-0x0000000000462000-memory.dmp	MailPassView
behavioral2/memory/996-23-0x0000000000400000-0x0000000000462000-memory.dmp	MailPassView
behavioral2/memory/996-19-0x0000000000400000-0x0000000000462000-memory.dmp	MailPassView

NirSoft WebBrowserPassView 2 IoCs

Password recovery tool for various web browsers

resource	yara_rule
behavioral2/memory/3240-13-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView
behavioral2/memory/3240-26-0x0000000000400000-0x0000000000478000-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-1-5-21-786284298-625481688-3210388970-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts	0acd167b4b07ca846877f194af78abcf4528246358947c12dffad914df3df5cd.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2756 set thread context of 3240	2756	0acd167b4b07ca846877f194af78abcf4528246358947c12dffad914df3df5cd.exe	94
PID 2756 set thread context of 996	2756	0acd167b4b07ca846877f194af78abcf4528246358947c12dffad914df3df5cd.exe	95
PID 2756 set thread context of 3800	2756	0acd167b4b07ca846877f194af78abcf4528246358947c12dffad914df3df5cd.exe	96

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	0acd167b4b07ca846877f194af78abcf4528246358947c12dffad914df3df5cd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0acd167b4b07ca846877f194af78abcf4528246358947c12dffad914df3df5cd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0acd167b4b07ca846877f194af78abcf4528246358947c12dffad914df3df5cd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0acd167b4b07ca846877f194af78abcf4528246358947c12dffad914df3df5cd.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3240	0acd167b4b07ca846877f194af78abcf4528246358947c12dffad914df3df5cd.exe
3240	0acd167b4b07ca846877f194af78abcf4528246358947c12dffad914df3df5cd.exe
3800	0acd167b4b07ca846877f194af78abcf4528246358947c12dffad914df3df5cd.exe
3800	0acd167b4b07ca846877f194af78abcf4528246358947c12dffad914df3df5cd.exe
3240	0acd167b4b07ca846877f194af78abcf4528246358947c12dffad914df3df5cd.exe
3240	0acd167b4b07ca846877f194af78abcf4528246358947c12dffad914df3df5cd.exe

Suspicious behavior: MapViewOfSection 3 IoCs

pid	Process
2756	0acd167b4b07ca846877f194af78abcf4528246358947c12dffad914df3df5cd.exe
2756	0acd167b4b07ca846877f194af78abcf4528246358947c12dffad914df3df5cd.exe
2756	0acd167b4b07ca846877f194af78abcf4528246358947c12dffad914df3df5cd.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3800	0acd167b4b07ca846877f194af78abcf4528246358947c12dffad914df3df5cd.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2756 wrote to memory of 3240	2756	0acd167b4b07ca846877f194af78abcf4528246358947c12dffad914df3df5cd.exe	94
PID 2756 wrote to memory of 3240	2756	0acd167b4b07ca846877f194af78abcf4528246358947c12dffad914df3df5cd.exe	94
PID 2756 wrote to memory of 3240	2756	0acd167b4b07ca846877f194af78abcf4528246358947c12dffad914df3df5cd.exe	94
PID 2756 wrote to memory of 996	2756	0acd167b4b07ca846877f194af78abcf4528246358947c12dffad914df3df5cd.exe	95
PID 2756 wrote to memory of 996	2756	0acd167b4b07ca846877f194af78abcf4528246358947c12dffad914df3df5cd.exe	95
PID 2756 wrote to memory of 996	2756	0acd167b4b07ca846877f194af78abcf4528246358947c12dffad914df3df5cd.exe	95
PID 2756 wrote to memory of 3800	2756	0acd167b4b07ca846877f194af78abcf4528246358947c12dffad914df3df5cd.exe	96
PID 2756 wrote to memory of 3800	2756	0acd167b4b07ca846877f194af78abcf4528246358947c12dffad914df3df5cd.exe	96
PID 2756 wrote to memory of 3800	2756	0acd167b4b07ca846877f194af78abcf4528246358947c12dffad914df3df5cd.exe	96

C:\Users\Admin\AppData\Local\Temp\0acd167b4b07ca846877f194af78abcf4528246358947c12dffad914df3df5cd.exe
"C:\Users\Admin\AppData\Local\Temp\0acd167b4b07ca846877f194af78abcf4528246358947c12dffad914df3df5cd.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2756
- C:\Users\Admin\AppData\Local\Temp\0acd167b4b07ca846877f194af78abcf4528246358947c12dffad914df3df5cd.exe
  C:\Users\Admin\AppData\Local\Temp\0acd167b4b07ca846877f194af78abcf4528246358947c12dffad914df3df5cd.exe /stext "C:\Users\Admin\AppData\Local\Temp\iqbqmfnjjqw"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:3240
- C:\Users\Admin\AppData\Local\Temp\0acd167b4b07ca846877f194af78abcf4528246358947c12dffad914df3df5cd.exe
  C:\Users\Admin\AppData\Local\Temp\0acd167b4b07ca846877f194af78abcf4528246358947c12dffad914df3df5cd.exe /stext "C:\Users\Admin\AppData\Local\Temp\ksgimxylxyofyj"
  2⤵
  - Accesses Microsoft Outlook accounts
  - System Location Discovery: System Language Discovery
  PID:996
- C:\Users\Admin\AppData\Local\Temp\0acd167b4b07ca846877f194af78abcf4528246358947c12dffad914df3df5cd.exe
  C:\Users\Admin\AppData\Local\Temp\0acd167b4b07ca846877f194af78abcf4528246358947c12dffad914df3df5cd.exe /stext "C:\Users\Admin\AppData\Local\Temp\vmmtnqjelggsbppid"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3800

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\iqbqmfnjjqw

Filesize
4KB

MD5
c7ac5a21cac5bd5580a6e28112212613

SHA1
0a256177c387053fec680e599bcb63729a16c161

SHA256
89e0e7dc8ad418f8613610b71d0c140247e26a5f9a453ee255b1467fb80f15ff

SHA512
753675a75b643132e50175d67589a3952cb5154a7e51c11883b2e28bf4fe406afbaed88e61575cc114156e41ed5c587b0f76845e6d20ddf922e775bfff3f0b43

Download Submit
memory/996-19-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/996-21-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/996-23-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/996-4-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/996-8-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2756-36-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2756-32-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/2756-33-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/2756-34-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2756-35-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2756-29-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/2756-37-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3240-9-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/3240-26-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/3240-6-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/3240-3-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/3240-13-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/3800-10-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/3800-14-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/3800-15-0x0000000000430000-0x00000000004F9000-memory.dmp

Filesize
804KB

Download
memory/3800-20-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/3800-12-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download

Analysis

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