remcos | 1abe11cf0a879b99c092a403e9efedf7ecda8e92c6708c31c799ce36c2da26a8

General

Target

Yeni sipariş-po21019612_pdf.exe
Size

600KB
MD5

7261bee09673cc990e13d26feee42c2a
SHA1

99ee353456daad13d299a3954acad8be28e5a2c8
SHA256

1abe11cf0a879b99c092a403e9efedf7ecda8e92c6708c31c799ce36c2da26a8
SHA512

3cf7e34c86c02250f8c1352f1ff876c4f25628c47390d5314f6324ee26e0641ee74db3df31dd68ed3e0d8bff4baf47f753c7a6e697a0cfebfac23d2d8027bba0
SSDEEP

6144:DjDeziqALNF1XuDsF1auOOf2Am3SnXIQia00rSo0oACyjUKAaWH5UDC2KiyHS9ei:Df8iqALNXBF19OABX7GHoACaUbSKMy

Score

10^/10

remcos remotehost collection persistence rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

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-T1GOKT
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

Processes:

resource	yara_rule
behavioral2/memory/2956-190-0x0000000000400000-0x0000000000457000-memory.dmp	MailPassView
behavioral2/memory/2956-195-0x0000000000400000-0x0000000000457000-memory.dmp	MailPassView

NirSoft WebBrowserPassView 3 IoCs

Password recovery tool for various web browsers

Processes:

resource	yara_rule
behavioral2/memory/2004-188-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView
behavioral2/memory/2004-197-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView
behavioral2/memory/2004-199-0x0000000000400000-0x0000000000478000-memory.dmp	WebBrowserPassView

Nirsoft 7 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2956-190-0x0000000000400000-0x0000000000457000-memory.dmp	Nirsoft
behavioral2/memory/3476-191-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral2/memory/2004-188-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral2/memory/2956-195-0x0000000000400000-0x0000000000457000-memory.dmp	Nirsoft
behavioral2/memory/3476-196-0x0000000000400000-0x0000000000424000-memory.dmp	Nirsoft
behavioral2/memory/2004-197-0x0000000000400000-0x0000000000478000-memory.dmp	Nirsoft
behavioral2/memory/2004-199-0x0000000000400000-0x0000000000478000-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

Processes:

Yeni sipariş-po21019612_pdf.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Control Panel\International\Geo\Nation	Yeni sipariş-po21019612_pdf.exe

Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs

collection

Email Collection

T1114

Processes:

aspnet_compiler.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\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

Processes:

Yeni sipariş-po21019612_pdf.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Pozfkw = "\"C:\\Users\\Admin\\AppData\\Roaming\\Retbdeiol\\Pozfkw.exe\""	Yeni sipariş-po21019612_pdf.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

Yeni sipariş-po21019612_pdf.exeaspnet_compiler.exe

description	pid	process	target process
PID 1420 set thread context of 4416	1420	Yeni sipariş-po21019612_pdf.exe	aspnet_compiler.exe
PID 4416 set thread context of 2004	4416	aspnet_compiler.exe	aspnet_compiler.exe
PID 4416 set thread context of 2956	4416	aspnet_compiler.exe	aspnet_compiler.exe
PID 4416 set thread context of 3476	4416	aspnet_compiler.exe	aspnet_compiler.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 10 IoCs

Processes:

powershell.exeYeni sipariş-po21019612_pdf.exeaspnet_compiler.exeaspnet_compiler.exe

pid	process
3736	powershell.exe
3736	powershell.exe
1420	Yeni sipariş-po21019612_pdf.exe
1420	Yeni sipariş-po21019612_pdf.exe
2004	aspnet_compiler.exe
2004	aspnet_compiler.exe
3476	aspnet_compiler.exe
3476	aspnet_compiler.exe
2004	aspnet_compiler.exe
2004	aspnet_compiler.exe

Suspicious behavior: MapViewOfSection 3 IoCs

Processes:

aspnet_compiler.exe

pid process

4416 aspnet_compiler.exe
4416 aspnet_compiler.exe
4416 aspnet_compiler.exe

pid	process
4416	aspnet_compiler.exe
4416	aspnet_compiler.exe
4416	aspnet_compiler.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

Yeni sipariş-po21019612_pdf.exepowershell.exeaspnet_compiler.exe

description	pid	process
Token: SeDebugPrivilege	1420	Yeni sipariş-po21019612_pdf.exe
Token: SeDebugPrivilege	3736	powershell.exe
Token: SeDebugPrivilege	3476	aspnet_compiler.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

Yeni sipariş-po21019612_pdf.exeaspnet_compiler.exe

description	pid	process	target process
PID 1420 wrote to memory of 3736	1420	Yeni sipariş-po21019612_pdf.exe	powershell.exe
PID 1420 wrote to memory of 3736	1420	Yeni sipariş-po21019612_pdf.exe	powershell.exe
PID 1420 wrote to memory of 3736	1420	Yeni sipariş-po21019612_pdf.exe	powershell.exe
PID 1420 wrote to memory of 4940	1420	Yeni sipariş-po21019612_pdf.exe	aspnet_compiler.exe
PID 1420 wrote to memory of 4940	1420	Yeni sipariş-po21019612_pdf.exe	aspnet_compiler.exe
PID 1420 wrote to memory of 4940	1420	Yeni sipariş-po21019612_pdf.exe	aspnet_compiler.exe
PID 1420 wrote to memory of 4416	1420	Yeni sipariş-po21019612_pdf.exe	aspnet_compiler.exe
PID 1420 wrote to memory of 4416	1420	Yeni sipariş-po21019612_pdf.exe	aspnet_compiler.exe
PID 1420 wrote to memory of 4416	1420	Yeni sipariş-po21019612_pdf.exe	aspnet_compiler.exe
PID 1420 wrote to memory of 4416	1420	Yeni sipariş-po21019612_pdf.exe	aspnet_compiler.exe
PID 1420 wrote to memory of 4416	1420	Yeni sipariş-po21019612_pdf.exe	aspnet_compiler.exe
PID 1420 wrote to memory of 4416	1420	Yeni sipariş-po21019612_pdf.exe	aspnet_compiler.exe
PID 1420 wrote to memory of 4416	1420	Yeni sipariş-po21019612_pdf.exe	aspnet_compiler.exe
PID 1420 wrote to memory of 4416	1420	Yeni sipariş-po21019612_pdf.exe	aspnet_compiler.exe
PID 1420 wrote to memory of 4416	1420	Yeni sipariş-po21019612_pdf.exe	aspnet_compiler.exe
PID 1420 wrote to memory of 4416	1420	Yeni sipariş-po21019612_pdf.exe	aspnet_compiler.exe
PID 1420 wrote to memory of 4416	1420	Yeni sipariş-po21019612_pdf.exe	aspnet_compiler.exe
PID 1420 wrote to memory of 4416	1420	Yeni sipariş-po21019612_pdf.exe	aspnet_compiler.exe
PID 4416 wrote to memory of 2004	4416	aspnet_compiler.exe	aspnet_compiler.exe
PID 4416 wrote to memory of 2004	4416	aspnet_compiler.exe	aspnet_compiler.exe
PID 4416 wrote to memory of 2004	4416	aspnet_compiler.exe	aspnet_compiler.exe
PID 4416 wrote to memory of 2004	4416	aspnet_compiler.exe	aspnet_compiler.exe
PID 4416 wrote to memory of 2956	4416	aspnet_compiler.exe	aspnet_compiler.exe
PID 4416 wrote to memory of 2956	4416	aspnet_compiler.exe	aspnet_compiler.exe
PID 4416 wrote to memory of 2956	4416	aspnet_compiler.exe	aspnet_compiler.exe
PID 4416 wrote to memory of 2956	4416	aspnet_compiler.exe	aspnet_compiler.exe
PID 4416 wrote to memory of 3476	4416	aspnet_compiler.exe	aspnet_compiler.exe
PID 4416 wrote to memory of 3476	4416	aspnet_compiler.exe	aspnet_compiler.exe
PID 4416 wrote to memory of 3476	4416	aspnet_compiler.exe	aspnet_compiler.exe
PID 4416 wrote to memory of 3476	4416	aspnet_compiler.exe	aspnet_compiler.exe

C:\Users\Admin\AppData\Local\Temp\Yeni sipariş-po21019612_pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Yeni sipariş-po21019612_pdf.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1420

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:3736

C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
2⤵
PID:4940

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:4416

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\zepbczuyezgzggrvvkhiiokvyon"
3⤵
- Suspicious behavior: EnumeratesProcesses
PID:2004

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\bycucjershyequnzmvtctbwehvxtpqy"
3⤵
- Accesses Microsoft Outlook accounts
PID:2956

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\mahmdcptfpqrsabdwfodvgrvibpuibpqgc"
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3476

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_1cakf25j.tis.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\zepbczuyezgzggrvvkhiiokvyon
Filesize
4KB

MD5
33cb11983bebbd43f9ddfe8d26cf9a35

SHA1
f505ae1e507c227d9aafcf7f95fd6ccffd56e187

SHA256
568f3bb004b8a52e856fbf4630cd582f3e8452bb96377b5998fc97c0705d04d0

SHA512
4566580ecf0b95894bdbe5a1288743509052cfa13b1f53da8fc524779a404e893b1846218ba0027309d3c7c987478123cf0381c2abff658cf179b53b6a06b5f6

Download Submit
memory/1420-136-0x0000000004EA0000-0x0000000004F32000-memory.dmp

Filesize
584KB

Download
memory/1420-137-0x0000000004F60000-0x0000000004F6A000-memory.dmp

Filesize
40KB

Download
memory/1420-138-0x0000000005040000-0x0000000005050000-memory.dmp

Filesize
64KB

Download
memory/1420-139-0x0000000007270000-0x0000000007292000-memory.dmp

Filesize
136KB

Download
memory/1420-134-0x0000000000450000-0x00000000004EC000-memory.dmp

Filesize
624KB

Download
memory/1420-135-0x0000000005540000-0x0000000005AE4000-memory.dmp

Filesize
5.6MB

Download
memory/1420-159-0x0000000005040000-0x0000000005050000-memory.dmp

Filesize
64KB

Download
memory/2004-199-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2004-197-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2004-185-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2004-188-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2004-180-0x0000000000400000-0x0000000000478000-memory.dmp

Filesize
480KB

Download
memory/2956-190-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download
memory/2956-195-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download
memory/2956-187-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download
memory/2956-181-0x0000000000400000-0x0000000000457000-memory.dmp

Filesize
348KB

Download
memory/3476-191-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/3476-189-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/3476-196-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/3476-184-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/3736-156-0x0000000002410000-0x0000000002420000-memory.dmp

Filesize
64KB

Download
memory/3736-161-0x0000000002410000-0x0000000002420000-memory.dmp

Filesize
64KB

Download
memory/3736-140-0x0000000002490000-0x00000000024C6000-memory.dmp

Filesize
216KB

Download
memory/3736-141-0x0000000004C60000-0x0000000005288000-memory.dmp

Filesize
6.2MB

Download
memory/3736-142-0x0000000005330000-0x0000000005396000-memory.dmp

Filesize
408KB

Download
memory/3736-148-0x00000000053A0000-0x0000000005406000-memory.dmp

Filesize
408KB

Download
memory/3736-153-0x0000000002410000-0x0000000002420000-memory.dmp

Filesize
64KB

Download
memory/3736-154-0x0000000002410000-0x0000000002420000-memory.dmp

Filesize
64KB

Download
memory/3736-155-0x0000000005A30000-0x0000000005A4E000-memory.dmp

Filesize
120KB

Download
memory/3736-157-0x0000000007060000-0x00000000076DA000-memory.dmp

Filesize
6.5MB

Download
memory/3736-158-0x0000000005F30000-0x0000000005F4A000-memory.dmp

Filesize
104KB

Download
memory/3736-160-0x0000000002410000-0x0000000002420000-memory.dmp

Filesize
64KB

Download
memory/3736-162-0x0000000002410000-0x0000000002420000-memory.dmp

Filesize
64KB

Download
memory/4416-179-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4416-201-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/4416-169-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4416-170-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4416-177-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4416-176-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4416-175-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4416-174-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4416-173-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4416-172-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4416-171-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4416-167-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4416-204-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/4416-205-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4416-206-0x0000000010000000-0x0000000010019000-memory.dmp

Filesize
100KB

Download
memory/4416-207-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4416-208-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4416-209-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4416-210-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4416-211-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4416-212-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads