remcos | 897616b24bebbd22e1434c357b3c069889fa7c8d7e2ec1b679f7ee6bc2c270f4

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
02/05/2023, 08:04

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General

Target

AWB25637373283GT.exe
Size

8KB
MD5

765e838105b7c2f6937d93f94336400f
SHA1

349cd40b0d346a164d68665a1a81f8233d482d81
SHA256

e1e5649b11992bddafd4ca3b16396043eb4049b58c7500237fdd307a0d414102
SHA512

57eac422db79f9efb53f95eeb928ed1ac9afa33fe4af58dcb6a6bcfbe6e920f089f477220f6e8a23bbbed36e8162ca1f9c4ed3cc6dc9e2444d4648f8297c53ce
SSDEEP

192:KjfON+D5LUELalfNXTRe5YqM0UP8mmILgmNfDTgP6F:BMLUELsfNXdPjngP6

Score

10^/10

remcos remotehost collection persistence rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

obologs.work.gd:34346

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-SI52AW
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
startup_value
Remcos
take_screenshot_option
false
take_screenshot_time
5

Signatures

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

NirSoft MailPassView 2 IoCs

Password recovery tool for various email clients

resource	yara_rule
behavioral2/memory/4200-183-0x0000000000400000-0x0000000000457000-memory.dmp	MailPassView
behavioral2/memory/4200-185-0x0000000000400000-0x0000000000457000-memory.dmp	MailPassView

NirSoft WebBrowserPassView 2 IoCs

Password recovery tool for various web browsers

resource	yara_rule
behavioral2/memory/4676-182-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView
behavioral2/memory/4676-194-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView

Nirsoft 6 IoCs

resource	yara_rule
behavioral2/memory/4200-183-0x0000000000400000-0x0000000000457000-memory.dmp	Nirsoft
behavioral2/memory/4200-185-0x0000000000400000-0x0000000000457000-memory.dmp	Nirsoft
behavioral2/memory/4676-182-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral2/memory/4668-191-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral2/memory/4668-192-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral2/memory/4676-194-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Control Panel\International\Geo\Nation	AWB25637373283GT.exe

Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts	aspnet_compiler.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Hahmkq = "\"C:\\Users\\Admin\\AppData\\Roaming\\Kgypucf\\Hahmkq.exe\""	AWB25637373283GT.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 4352 set thread context of 3692	4352	AWB25637373283GT.exe	93
PID 3692 set thread context of 4676	3692	aspnet_compiler.exe	94
PID 3692 set thread context of 4200	3692	aspnet_compiler.exe	95
PID 3692 set thread context of 4668	3692	aspnet_compiler.exe	98

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2896	powershell.exe
2896	powershell.exe
4676	aspnet_compiler.exe
4676	aspnet_compiler.exe
4668	aspnet_compiler.exe
4668	aspnet_compiler.exe
4676	aspnet_compiler.exe
4676	aspnet_compiler.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
3692	aspnet_compiler.exe
3692	aspnet_compiler.exe
3692	aspnet_compiler.exe
3692	aspnet_compiler.exe
3692	aspnet_compiler.exe
3692	aspnet_compiler.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4352	AWB25637373283GT.exe
Token: SeDebugPrivilege	2896	powershell.exe
Token: SeDebugPrivilege	4668	aspnet_compiler.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 4352 wrote to memory of 2896	4352	AWB25637373283GT.exe	84
PID 4352 wrote to memory of 2896	4352	AWB25637373283GT.exe	84
PID 4352 wrote to memory of 2896	4352	AWB25637373283GT.exe	84
PID 4352 wrote to memory of 3692	4352	AWB25637373283GT.exe	93
PID 4352 wrote to memory of 3692	4352	AWB25637373283GT.exe	93
PID 4352 wrote to memory of 3692	4352	AWB25637373283GT.exe	93
PID 4352 wrote to memory of 3692	4352	AWB25637373283GT.exe	93
PID 4352 wrote to memory of 3692	4352	AWB25637373283GT.exe	93
PID 4352 wrote to memory of 3692	4352	AWB25637373283GT.exe	93
PID 4352 wrote to memory of 3692	4352	AWB25637373283GT.exe	93
PID 4352 wrote to memory of 3692	4352	AWB25637373283GT.exe	93
PID 4352 wrote to memory of 3692	4352	AWB25637373283GT.exe	93
PID 4352 wrote to memory of 3692	4352	AWB25637373283GT.exe	93
PID 4352 wrote to memory of 3692	4352	AWB25637373283GT.exe	93
PID 4352 wrote to memory of 3692	4352	AWB25637373283GT.exe	93
PID 3692 wrote to memory of 4676	3692	aspnet_compiler.exe	94
PID 3692 wrote to memory of 4676	3692	aspnet_compiler.exe	94
PID 3692 wrote to memory of 4676	3692	aspnet_compiler.exe	94
PID 3692 wrote to memory of 4676	3692	aspnet_compiler.exe	94
PID 3692 wrote to memory of 4200	3692	aspnet_compiler.exe	95
PID 3692 wrote to memory of 4200	3692	aspnet_compiler.exe	95
PID 3692 wrote to memory of 4200	3692	aspnet_compiler.exe	95
PID 3692 wrote to memory of 4200	3692	aspnet_compiler.exe	95
PID 3692 wrote to memory of 3276	3692	aspnet_compiler.exe	96
PID 3692 wrote to memory of 3276	3692	aspnet_compiler.exe	96
PID 3692 wrote to memory of 3276	3692	aspnet_compiler.exe	96
PID 3692 wrote to memory of 2692	3692	aspnet_compiler.exe	97
PID 3692 wrote to memory of 2692	3692	aspnet_compiler.exe	97
PID 3692 wrote to memory of 2692	3692	aspnet_compiler.exe	97
PID 3692 wrote to memory of 4636	3692	aspnet_compiler.exe	99
PID 3692 wrote to memory of 4636	3692	aspnet_compiler.exe	99
PID 3692 wrote to memory of 4636	3692	aspnet_compiler.exe	99
PID 3692 wrote to memory of 4668	3692	aspnet_compiler.exe	98
PID 3692 wrote to memory of 4668	3692	aspnet_compiler.exe	98
PID 3692 wrote to memory of 4668	3692	aspnet_compiler.exe	98
PID 3692 wrote to memory of 4668	3692	aspnet_compiler.exe	98

C:\Users\Admin\AppData\Local\Temp\AWB25637373283GT.exe
"C:\Users\Admin\AppData\Local\Temp\AWB25637373283GT.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4352
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2896
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
  C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:3692
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe /stext "C:\Users\Admin\AppData\Local\Temp\glilaiusqajfdbkltizqkd"
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    PID:4676
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe /stext "C:\Users\Admin\AppData\Local\Temp\qfndbbfueibkfhhpctmjvhvgpv"
    3⤵
    - Accesses Microsoft Outlook accounts
    PID:4200
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe /stext "C:\Users\Admin\AppData\Local\Temp\shswctxnsqtxpnvtuehlguppybjkq"
    3⤵
    PID:3276
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe /stext "C:\Users\Admin\AppData\Local\Temp\shswctxnsqtxpnvtuehlguppybjkq"
    3⤵
    PID:2692
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe /stext "C:\Users\Admin\AppData\Local\Temp\shswctxnsqtxpnvtuehlguppybjkq"
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4668
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
    C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe /stext "C:\Users\Admin\AppData\Local\Temp\shswctxnsqtxpnvtuehlguppybjkq"
    3⤵
    PID:4636

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_x3oshxgc.zco.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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

Filesize
4KB

MD5
9d9e72c9c9718c1b11fa079c9e176126

SHA1
84061c88da377e5badb0456d7e7d27b2b589da53

SHA256
c1b68659db646a5da925a4bb927a9803ab7d10ae74516a2547c87097f87ba317

SHA512
1b1aba5888e92f1afd33454ae69de66bc8202a4974b36696a0a6903cc528cb59810f778446ba855ac125b3c77f6be0ebee5d6df49a2838e0c0543a9a29a4e428

Download Submit
memory/2896-146-0x0000000005AA0000-0x0000000005B06000-memory.dmp

Filesize
408KB

Download
memory/2896-137-0x0000000004CC0000-0x0000000004CD0000-memory.dmp

Filesize
64KB

Download
memory/2896-139-0x0000000005300000-0x0000000005928000-memory.dmp

Filesize
6.2MB

Download
memory/2896-140-0x0000000005170000-0x00000000051D6000-memory.dmp

Filesize
408KB

Download
memory/2896-157-0x0000000004CC0000-0x0000000004CD0000-memory.dmp

Filesize
64KB

Download
memory/2896-151-0x00000000060B0000-0x00000000060CE000-memory.dmp

Filesize
120KB

Download
memory/2896-152-0x0000000004CC0000-0x0000000004CD0000-memory.dmp

Filesize
64KB

Download
memory/2896-153-0x00000000078D0000-0x0000000007F4A000-memory.dmp

Filesize
6.5MB

Download
memory/2896-154-0x00000000065A0000-0x00000000065BA000-memory.dmp

Filesize
104KB

Download
memory/2896-156-0x0000000004CC0000-0x0000000004CD0000-memory.dmp

Filesize
64KB

Download
memory/2896-138-0x0000000004CC0000-0x0000000004CD0000-memory.dmp

Filesize
64KB

Download
memory/2896-136-0x0000000002AA0000-0x0000000002AD6000-memory.dmp

Filesize
216KB

Download
memory/2896-158-0x0000000004CC0000-0x0000000004CD0000-memory.dmp

Filesize
64KB

Download
memory/3692-173-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3692-199-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/3692-163-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3692-165-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3692-166-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3692-167-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3692-168-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3692-169-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3692-170-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3692-171-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3692-172-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3692-210-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3692-175-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3692-209-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3692-208-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3692-207-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3692-206-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3692-205-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3692-204-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3692-203-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3692-202-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3692-201-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/3692-200-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3692-196-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/4200-177-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download
memory/4200-185-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download
memory/4200-181-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download
memory/4200-183-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download
memory/4352-135-0x0000000006260000-0x0000000006282000-memory.dmp

Filesize
136KB

Download
memory/4352-133-0x0000000000260000-0x0000000000268000-memory.dmp

Filesize
32KB

Download
memory/4352-155-0x0000000004C50000-0x0000000004C60000-memory.dmp

Filesize
64KB

Download
memory/4352-134-0x0000000004C50000-0x0000000004C60000-memory.dmp

Filesize
64KB

Download
memory/4668-187-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4668-184-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4668-191-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4668-192-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4676-194-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/4676-180-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/4676-182-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/4676-176-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download