remcos | 2edf874ef456146a26d6f4c7836069d48597c01fb7fb569f31013866012a7bd7

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
23-01-2025 20:21

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General

Target

1737663604da278262d49c4244551f832f08605e950c70b8ed6e61efd3cf2c7036af37a35e584.dat-decoded.exe
Size

235KB
MD5

541bfc55cbbab47729342d1f2ddf0f73
SHA1

72e64bf487c1e971a9fc2f05281299caf90b27c3
SHA256

2edf874ef456146a26d6f4c7836069d48597c01fb7fb569f31013866012a7bd7
SHA512

0dd4b0fc8a4d7aec1846d2bc6a6cc98b11937ae0b99e2d20eb2c1673bed6c867414a8a2646516b895e013f50e326c158d3e1e7c2f12028a7228e9215845cc033
SSDEEP

6144:JQP761yOPJaNOKnod5naEtdpB6JdJf7s/ENdcAcrNOr0/RdVV:JQP7M0NOK3856JzjsAOZrNl

Score

10^/10

remcos manifestblessings collection discovery rat spyware stealer upx

Malware Config

Extracted

Family

remcos

Botnet

ManifestBlessings

krakencryptotrades.duckdns.org:2025

recoverytrades.duckdns.org:2026

krakenrecoveries.freemyip.com:2026

007lora.varpourtec.com:2026

masterb12.risunn.com:2026

risunn.com:2026

risunn.com:2025

nunubv1.fratellillottini.com:2026

fratellillottini.com:2025

Attributes

audio_folder
MicRecords
audio_path
ApplicationPath
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-C3DF3D
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
Remcos family
remcos

Detected Nirsoft tools 10 IoCs

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

resource	yara_rule
behavioral1/memory/2748-23-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral1/memory/2124-7-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral1/memory/2748-25-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral1/memory/2748-22-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral1/memory/2328-18-0x0000000000400000-0x0000000000462000-memory.dmp	Nirsoft
behavioral1/memory/2124-15-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral1/memory/2124-10-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral1/memory/2124-30-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral1/memory/2328-35-0x0000000000400000-0x0000000000462000-memory.dmp	Nirsoft
behavioral1/memory/1724-43-0x0000000003D20000-0x0000000003DA8000-memory.dmp	Nirsoft

NirSoft MailPassView 3 IoCs

Password recovery tool for various email clients

resource	yara_rule
behavioral1/memory/2328-18-0x0000000000400000-0x0000000000462000-memory.dmp	MailPassView
behavioral1/memory/2328-35-0x0000000000400000-0x0000000000462000-memory.dmp	MailPassView
behavioral1/memory/1724-43-0x0000000003D20000-0x0000000003DA8000-memory.dmp	MailPassView

NirSoft WebBrowserPassView 4 IoCs

Password recovery tool for various web browsers

resource	yara_rule
behavioral1/memory/2124-7-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView
behavioral1/memory/2124-15-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView
behavioral1/memory/2124-10-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView
behavioral1/memory/2124-30-0x0000000000400000-0x0000000000478000-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	1737663604da278262d49c4244551f832f08605e950c70b8ed6e61efd3cf2c7036af37a35e584.dat-decoded.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1724 set thread context of 2124	1724	1737663604da278262d49c4244551f832f08605e950c70b8ed6e61efd3cf2c7036af37a35e584.dat-decoded.exe	30
PID 1724 set thread context of 2328	1724	1737663604da278262d49c4244551f832f08605e950c70b8ed6e61efd3cf2c7036af37a35e584.dat-decoded.exe	31
PID 1724 set thread context of 2748	1724	1737663604da278262d49c4244551f832f08605e950c70b8ed6e61efd3cf2c7036af37a35e584.dat-decoded.exe	32

UPX packed file 17 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/1724-0-0x0000000000400000-0x0000000000488000-memory.dmp	upx
behavioral1/memory/1724-3-0x0000000003CA0000-0x0000000003D28000-memory.dmp	upx
behavioral1/memory/1724-8-0x0000000000400000-0x0000000000488000-memory.dmp	upx
behavioral1/memory/1724-33-0x0000000000400000-0x0000000000488000-memory.dmp	upx
behavioral1/memory/1724-46-0x0000000000400000-0x0000000000488000-memory.dmp	upx
behavioral1/memory/1724-49-0x0000000000400000-0x0000000000488000-memory.dmp	upx
behavioral1/memory/1724-52-0x0000000000400000-0x0000000000488000-memory.dmp	upx
behavioral1/memory/1724-55-0x0000000000400000-0x0000000000488000-memory.dmp	upx
behavioral1/memory/1724-58-0x0000000000400000-0x0000000000488000-memory.dmp	upx
behavioral1/memory/1724-60-0x0000000000400000-0x0000000000488000-memory.dmp	upx
behavioral1/memory/1724-64-0x0000000000400000-0x0000000000488000-memory.dmp	upx
behavioral1/memory/1724-67-0x0000000000400000-0x0000000000488000-memory.dmp	upx
behavioral1/memory/1724-70-0x0000000000400000-0x0000000000488000-memory.dmp	upx
behavioral1/memory/1724-73-0x0000000000400000-0x0000000000488000-memory.dmp	upx
behavioral1/memory/1724-76-0x0000000000400000-0x0000000000488000-memory.dmp	upx
behavioral1/memory/1724-79-0x0000000000400000-0x0000000000488000-memory.dmp	upx
behavioral1/memory/1724-81-0x0000000000400000-0x0000000000488000-memory.dmp	upx

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	1737663604da278262d49c4244551f832f08605e950c70b8ed6e61efd3cf2c7036af37a35e584.dat-decoded.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1737663604da278262d49c4244551f832f08605e950c70b8ed6e61efd3cf2c7036af37a35e584.dat-decoded.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1737663604da278262d49c4244551f832f08605e950c70b8ed6e61efd3cf2c7036af37a35e584.dat-decoded.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1737663604da278262d49c4244551f832f08605e950c70b8ed6e61efd3cf2c7036af37a35e584.dat-decoded.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2124	1737663604da278262d49c4244551f832f08605e950c70b8ed6e61efd3cf2c7036af37a35e584.dat-decoded.exe
2124	1737663604da278262d49c4244551f832f08605e950c70b8ed6e61efd3cf2c7036af37a35e584.dat-decoded.exe

Suspicious behavior: MapViewOfSection 3 IoCs

pid	Process
1724	1737663604da278262d49c4244551f832f08605e950c70b8ed6e61efd3cf2c7036af37a35e584.dat-decoded.exe
1724	1737663604da278262d49c4244551f832f08605e950c70b8ed6e61efd3cf2c7036af37a35e584.dat-decoded.exe
1724	1737663604da278262d49c4244551f832f08605e950c70b8ed6e61efd3cf2c7036af37a35e584.dat-decoded.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2748	1737663604da278262d49c4244551f832f08605e950c70b8ed6e61efd3cf2c7036af37a35e584.dat-decoded.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1724	1737663604da278262d49c4244551f832f08605e950c70b8ed6e61efd3cf2c7036af37a35e584.dat-decoded.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1724 wrote to memory of 2124	1724	1737663604da278262d49c4244551f832f08605e950c70b8ed6e61efd3cf2c7036af37a35e584.dat-decoded.exe	30
PID 1724 wrote to memory of 2124	1724	1737663604da278262d49c4244551f832f08605e950c70b8ed6e61efd3cf2c7036af37a35e584.dat-decoded.exe	30
PID 1724 wrote to memory of 2124	1724	1737663604da278262d49c4244551f832f08605e950c70b8ed6e61efd3cf2c7036af37a35e584.dat-decoded.exe	30
PID 1724 wrote to memory of 2124	1724	1737663604da278262d49c4244551f832f08605e950c70b8ed6e61efd3cf2c7036af37a35e584.dat-decoded.exe	30
PID 1724 wrote to memory of 2328	1724	1737663604da278262d49c4244551f832f08605e950c70b8ed6e61efd3cf2c7036af37a35e584.dat-decoded.exe	31
PID 1724 wrote to memory of 2328	1724	1737663604da278262d49c4244551f832f08605e950c70b8ed6e61efd3cf2c7036af37a35e584.dat-decoded.exe	31
PID 1724 wrote to memory of 2328	1724	1737663604da278262d49c4244551f832f08605e950c70b8ed6e61efd3cf2c7036af37a35e584.dat-decoded.exe	31
PID 1724 wrote to memory of 2328	1724	1737663604da278262d49c4244551f832f08605e950c70b8ed6e61efd3cf2c7036af37a35e584.dat-decoded.exe	31
PID 1724 wrote to memory of 2748	1724	1737663604da278262d49c4244551f832f08605e950c70b8ed6e61efd3cf2c7036af37a35e584.dat-decoded.exe	32
PID 1724 wrote to memory of 2748	1724	1737663604da278262d49c4244551f832f08605e950c70b8ed6e61efd3cf2c7036af37a35e584.dat-decoded.exe	32
PID 1724 wrote to memory of 2748	1724	1737663604da278262d49c4244551f832f08605e950c70b8ed6e61efd3cf2c7036af37a35e584.dat-decoded.exe	32
PID 1724 wrote to memory of 2748	1724	1737663604da278262d49c4244551f832f08605e950c70b8ed6e61efd3cf2c7036af37a35e584.dat-decoded.exe	32

C:\Users\Admin\AppData\Local\Temp\1737663604da278262d49c4244551f832f08605e950c70b8ed6e61efd3cf2c7036af37a35e584.dat-decoded.exe
"C:\Users\Admin\AppData\Local\Temp\1737663604da278262d49c4244551f832f08605e950c70b8ed6e61efd3cf2c7036af37a35e584.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:1724
- C:\Users\Admin\AppData\Local\Temp\1737663604da278262d49c4244551f832f08605e950c70b8ed6e61efd3cf2c7036af37a35e584.dat-decoded.exe
  C:\Users\Admin\AppData\Local\Temp\1737663604da278262d49c4244551f832f08605e950c70b8ed6e61efd3cf2c7036af37a35e584.dat-decoded.exe /stext "C:\Users\Admin\AppData\Local\Temp\uexjknczrxmevcitxjzb"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:2124
- C:\Users\Admin\AppData\Local\Temp\1737663604da278262d49c4244551f832f08605e950c70b8ed6e61efd3cf2c7036af37a35e584.dat-decoded.exe
  C:\Users\Admin\AppData\Local\Temp\1737663604da278262d49c4244551f832f08605e950c70b8ed6e61efd3cf2c7036af37a35e584.dat-decoded.exe /stext "C:\Users\Admin\AppData\Local\Temp\fykclfnsffejfjexotmufms"
  2⤵
  - Accesses Microsoft Outlook accounts
  - System Location Discovery: System Language Discovery
  PID:2328
- C:\Users\Admin\AppData\Local\Temp\1737663604da278262d49c4244551f832f08605e950c70b8ed6e61efd3cf2c7036af37a35e584.dat-decoded.exe
  C:\Users\Admin\AppData\Local\Temp\1737663604da278262d49c4244551f832f08605e950c70b8ed6e61efd3cf2c7036af37a35e584.dat-decoded.exe /stext "C:\Users\Admin\AppData\Local\Temp\haqmexxutowwhpsbxezwizneqi"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2748

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\remcos\logs.dat

Filesize
144B

MD5
e201f7b9e612d6c9e9687dbefe72cb14

SHA1
7f5b7626d1302c7b49b140bea8ee48eff3849435

SHA256
e39a48c218ce980c2046f0dc4ff4bf49b6413f9292608597de46e8357224a72d

SHA512
6331d2b50bc79449e726f8fbfc64a40bf69e939189fb4e7bdddad537b6519f5c3e3cda09a2881f43023c637744c512442fb76a0ef1cf2536edfb00f7f90c5570

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

Filesize
2B

MD5
f3b25701fe362ec84616a93a45ce9998

SHA1
d62636d8caec13f04e28442a0a6fa1afeb024bbb

SHA256
b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

SHA512
98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

Download Submit
memory/1724-60-0x0000000000400000-0x0000000000488000-memory.dmp

Filesize
544KB

Download
memory/1724-52-0x0000000000400000-0x0000000000488000-memory.dmp

Filesize
544KB

Download
memory/1724-55-0x0000000000400000-0x0000000000488000-memory.dmp

Filesize
544KB

Download
memory/1724-49-0x0000000000400000-0x0000000000488000-memory.dmp

Filesize
544KB

Download
memory/1724-8-0x0000000000400000-0x0000000000488000-memory.dmp

Filesize
544KB

Download
memory/1724-79-0x0000000000400000-0x0000000000488000-memory.dmp

Filesize
544KB

Download
memory/1724-76-0x0000000000400000-0x0000000000488000-memory.dmp

Filesize
544KB

Download
memory/1724-73-0x0000000000400000-0x0000000000488000-memory.dmp

Filesize
544KB

Download
memory/1724-70-0x0000000000400000-0x0000000000488000-memory.dmp

Filesize
544KB

Download
memory/1724-67-0x0000000000400000-0x0000000000488000-memory.dmp

Filesize
544KB

Download
memory/1724-3-0x0000000003CA0000-0x0000000003D28000-memory.dmp

Filesize
544KB

Download
memory/1724-33-0x0000000000400000-0x0000000000488000-memory.dmp

Filesize
544KB

Download
memory/1724-46-0x0000000000400000-0x0000000000488000-memory.dmp

Filesize
544KB

Download
memory/1724-64-0x0000000000400000-0x0000000000488000-memory.dmp

Filesize
544KB

Download
memory/1724-81-0x0000000000400000-0x0000000000488000-memory.dmp

Filesize
544KB

Download
memory/1724-44-0x0000000003D90000-0x0000000003E18000-memory.dmp

Filesize
544KB

Download
memory/1724-36-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/1724-43-0x0000000003D20000-0x0000000003DA8000-memory.dmp

Filesize
544KB

Download
memory/1724-0-0x0000000000400000-0x0000000000488000-memory.dmp

Filesize
544KB

Download
memory/1724-16-0x0000000003D90000-0x0000000003E18000-memory.dmp

Filesize
544KB

Download
memory/1724-58-0x0000000000400000-0x0000000000488000-memory.dmp

Filesize
544KB

Download
memory/1724-12-0x0000000003D20000-0x0000000003DA8000-memory.dmp

Filesize
544KB

Download
memory/1724-40-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/1724-39-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/1724-41-0x0000000003CA0000-0x0000000003D28000-memory.dmp

Filesize
544KB

Download
memory/2124-30-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2124-4-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2124-15-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2124-6-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2124-7-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2124-10-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2328-17-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2328-11-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2328-14-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2328-18-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2328-35-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2748-22-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2748-19-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2748-21-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2748-25-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2748-23-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download