remcos | a1098873c94184cf24edd24c3883f4be52224575da34f0469ad4a525c852ef28

Analysis

max time kernel
150s
max time network
152s
platform
windows10_x64
resource
win10-20220414-en
submitted
19-06-2022 17:36

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General

Target

a1098873c94184cf24edd24c3883f4be52224575da34f0469ad4a525c852ef28.exe
Size

985KB
MD5

0e5c23d14dc6448fff9ee7fe356cee81
SHA1

fae0a0acbf6e174b22d3fe0ff6cfe332a462b33b
SHA256

a1098873c94184cf24edd24c3883f4be52224575da34f0469ad4a525c852ef28
SHA512

6363c36750aa00e9f521d402f10f37745bd0f8a4ab2cfddbf342bce7743b8a853016e2afc58982f719d316d73fe255841276966a508eb3ccb7ce83733ff12b03

Score

10^/10

remcos 06192022 persistence rat

Malware Config

Extracted

Family

remcos

Botnet

06192022

nikahuve.ac.ug:6968

kalskala.ac.ug:6968

tuekisaa.ac.ug:6968

parthaha.ac.ug:6968

Attributes

audio_folder
MicRecords
audio_path
%AppData%
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
true
install_flag
false
install_path
%AppData%
keylog_crypt
true
keylog_file
scxs.dat
keylog_flag
false
keylog_folder
forbas
keylog_path
%AppData%
mouse_option
false
mutex
cvxyttydfsgbghfgfhtd-RXTSAM
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
take_screenshot_title
notepad;solitaire;

Signatures

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

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:

a1098873c94184cf24edd24c3883f4be52224575da34f0469ad4a525c852ef28.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3578829114-180201921-3281645608-1000\Control Panel\International\Geo\Nation	a1098873c94184cf24edd24c3883f4be52224575da34f0469ad4a525c852ef28.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

a1098873c94184cf24edd24c3883f4be52224575da34f0469ad4a525c852ef28.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3578829114-180201921-3281645608-1000\Software\Microsoft\Windows\CurrentVersion\Run\winost = "\"C:\\Users\\Admin\\AppData\\Roaming\\winost.exe\""	a1098873c94184cf24edd24c3883f4be52224575da34f0469ad4a525c852ef28.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

a1098873c94184cf24edd24c3883f4be52224575da34f0469ad4a525c852ef28.exe

description	pid	process	target process
PID 2600 set thread context of 4604	2600	a1098873c94184cf24edd24c3883f4be52224575da34f0469ad4a525c852ef28.exe	MSBuild.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 9 IoCs

Processes:

powershell.exea1098873c94184cf24edd24c3883f4be52224575da34f0469ad4a525c852ef28.exe

pid	process
4972	powershell.exe
4972	powershell.exe
4972	powershell.exe
2600	a1098873c94184cf24edd24c3883f4be52224575da34f0469ad4a525c852ef28.exe
2600	a1098873c94184cf24edd24c3883f4be52224575da34f0469ad4a525c852ef28.exe
2600	a1098873c94184cf24edd24c3883f4be52224575da34f0469ad4a525c852ef28.exe
2600	a1098873c94184cf24edd24c3883f4be52224575da34f0469ad4a525c852ef28.exe
2600	a1098873c94184cf24edd24c3883f4be52224575da34f0469ad4a525c852ef28.exe
2600	a1098873c94184cf24edd24c3883f4be52224575da34f0469ad4a525c852ef28.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

a1098873c94184cf24edd24c3883f4be52224575da34f0469ad4a525c852ef28.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	2600	a1098873c94184cf24edd24c3883f4be52224575da34f0469ad4a525c852ef28.exe
Token: SeDebugPrivilege	4972	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

MSBuild.exe

pid process

4604 MSBuild.exe

pid	process
4604	MSBuild.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

a1098873c94184cf24edd24c3883f4be52224575da34f0469ad4a525c852ef28.exe

description	pid	process	target process
PID 2600 wrote to memory of 4972	2600	a1098873c94184cf24edd24c3883f4be52224575da34f0469ad4a525c852ef28.exe	powershell.exe
PID 2600 wrote to memory of 4972	2600	a1098873c94184cf24edd24c3883f4be52224575da34f0469ad4a525c852ef28.exe	powershell.exe
PID 2600 wrote to memory of 4972	2600	a1098873c94184cf24edd24c3883f4be52224575da34f0469ad4a525c852ef28.exe	powershell.exe
PID 2600 wrote to memory of 432	2600	a1098873c94184cf24edd24c3883f4be52224575da34f0469ad4a525c852ef28.exe	MSBuild.exe
PID 2600 wrote to memory of 432	2600	a1098873c94184cf24edd24c3883f4be52224575da34f0469ad4a525c852ef28.exe	MSBuild.exe
PID 2600 wrote to memory of 432	2600	a1098873c94184cf24edd24c3883f4be52224575da34f0469ad4a525c852ef28.exe	MSBuild.exe
PID 2600 wrote to memory of 4604	2600	a1098873c94184cf24edd24c3883f4be52224575da34f0469ad4a525c852ef28.exe	MSBuild.exe
PID 2600 wrote to memory of 4604	2600	a1098873c94184cf24edd24c3883f4be52224575da34f0469ad4a525c852ef28.exe	MSBuild.exe
PID 2600 wrote to memory of 4604	2600	a1098873c94184cf24edd24c3883f4be52224575da34f0469ad4a525c852ef28.exe	MSBuild.exe
PID 2600 wrote to memory of 4604	2600	a1098873c94184cf24edd24c3883f4be52224575da34f0469ad4a525c852ef28.exe	MSBuild.exe
PID 2600 wrote to memory of 4604	2600	a1098873c94184cf24edd24c3883f4be52224575da34f0469ad4a525c852ef28.exe	MSBuild.exe
PID 2600 wrote to memory of 4604	2600	a1098873c94184cf24edd24c3883f4be52224575da34f0469ad4a525c852ef28.exe	MSBuild.exe
PID 2600 wrote to memory of 4604	2600	a1098873c94184cf24edd24c3883f4be52224575da34f0469ad4a525c852ef28.exe	MSBuild.exe
PID 2600 wrote to memory of 4604	2600	a1098873c94184cf24edd24c3883f4be52224575da34f0469ad4a525c852ef28.exe	MSBuild.exe
PID 2600 wrote to memory of 4604	2600	a1098873c94184cf24edd24c3883f4be52224575da34f0469ad4a525c852ef28.exe	MSBuild.exe
PID 2600 wrote to memory of 4604	2600	a1098873c94184cf24edd24c3883f4be52224575da34f0469ad4a525c852ef28.exe	MSBuild.exe
PID 2600 wrote to memory of 4604	2600	a1098873c94184cf24edd24c3883f4be52224575da34f0469ad4a525c852ef28.exe	MSBuild.exe
PID 2600 wrote to memory of 4604	2600	a1098873c94184cf24edd24c3883f4be52224575da34f0469ad4a525c852ef28.exe	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\a1098873c94184cf24edd24c3883f4be52224575da34f0469ad4a525c852ef28.exe
"C:\Users\Admin\AppData\Local\Temp\a1098873c94184cf24edd24c3883f4be52224575da34f0469ad4a525c852ef28.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:2600

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMQAwADsAIABTAGUAdAAtAE0AcABQAHIAZQBmAGUAcgBlAG4AYwBlACAALQBFAHgAYwBsAHUAcwBpAG8AbgBQAGEAdABoACAAJwBDADoAXAAnAA==
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4972

C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
2⤵
PID:432

C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
2⤵
- Suspicious use of SetWindowsHookEx
PID:4604

Network

MITRE ATT&CK Matrix ATT&CK 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

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/2600-116-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/2600-117-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/2600-119-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/2600-118-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/2600-120-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/2600-121-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/2600-124-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/2600-123-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/2600-122-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/2600-125-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/2600-126-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/2600-127-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/2600-128-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/2600-129-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/2600-130-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/2600-131-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/2600-132-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/2600-133-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/2600-134-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/2600-135-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/2600-136-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/2600-137-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/2600-138-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/2600-139-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/2600-140-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/2600-141-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/2600-143-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/2600-142-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/2600-144-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/2600-145-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/2600-146-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/2600-147-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/2600-148-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/2600-149-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/2600-150-0x00000000002E0000-0x00000000003DC000-memory.dmp

Filesize
1008KB

Download
memory/2600-151-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/2600-152-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/2600-153-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/2600-154-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/2600-155-0x0000000004BD0000-0x0000000004C46000-memory.dmp

Filesize
472KB

Download
memory/2600-156-0x0000000005000000-0x0000000005050000-memory.dmp

Filesize
320KB

Download
memory/2600-157-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/2600-158-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/2600-159-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/2600-160-0x0000000005110000-0x00000000051C2000-memory.dmp

Filesize
712KB

Download
memory/2600-161-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/2600-162-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/2600-163-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/2600-164-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/2600-165-0x00000000051D0000-0x00000000052C8000-memory.dmp

Filesize
992KB

Download
memory/2600-166-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/2600-167-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/2600-168-0x00000000050E0000-0x00000000050FE000-memory.dmp

Filesize
120KB

Download
memory/2600-169-0x00000000053C0000-0x000000000540C000-memory.dmp

Filesize
304KB

Download
memory/2600-170-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/2600-171-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/2600-172-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/2600-173-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/2600-174-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/2600-175-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/2600-176-0x0000000005520000-0x00000000055B2000-memory.dmp

Filesize
584KB

Download
memory/2600-177-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/2600-178-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/2600-179-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/2600-180-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/2600-181-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/2600-182-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/2600-183-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/2600-184-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/2600-185-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/2600-186-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/4604-518-0x000000000043133D-mapping.dmp

Download
memory/4604-566-0x0000000000400000-0x000000000047B000-memory.dmp

Filesize
492KB

Download
memory/4604-567-0x0000000000400000-0x000000000047B000-memory.dmp

Filesize
492KB

Download
memory/4972-187-0x0000000000000000-mapping.dmp

Download
memory/4972-188-0x0000000077550000-0x00000000776DE000-memory.dmp

Filesize
1.6MB

Download
memory/4972-223-0x00000000044A0000-0x00000000044D6000-memory.dmp

Filesize
216KB

Download
memory/4972-228-0x0000000006D50000-0x0000000007378000-memory.dmp

Filesize
6.2MB

Download
memory/4972-246-0x0000000006BC0000-0x0000000006BE2000-memory.dmp

Filesize
136KB

Download
memory/4972-248-0x00000000073F0000-0x0000000007456000-memory.dmp

Filesize
408KB

Download
memory/4972-249-0x0000000007560000-0x00000000075C6000-memory.dmp

Filesize
408KB

Download
memory/4972-250-0x00000000075D0000-0x0000000007920000-memory.dmp

Filesize
3.3MB

Download
memory/4972-253-0x0000000006D30000-0x0000000006D4C000-memory.dmp

Filesize
112KB

Download
memory/4972-254-0x0000000007CC0000-0x0000000007D0B000-memory.dmp

Filesize
300KB

Download
memory/4972-268-0x00000000094F0000-0x0000000009B68000-memory.dmp

Filesize
6.5MB

Download
memory/4972-269-0x0000000008A40000-0x0000000008A5A000-memory.dmp

Filesize
104KB

Download
memory/4972-276-0x0000000008DF0000-0x0000000008E23000-memory.dmp

Filesize
204KB

Download
memory/4972-277-0x0000000006830000-0x000000000684E000-memory.dmp

Filesize
120KB

Download
memory/4972-286-0x0000000008F60000-0x0000000009005000-memory.dmp

Filesize
660KB

Download
memory/4972-290-0x0000000009110000-0x00000000091A4000-memory.dmp

Filesize
592KB

Download
memory/4972-493-0x0000000009090000-0x00000000090AA000-memory.dmp

Filesize
104KB

Download
memory/4972-498-0x0000000009080000-0x0000000009088000-memory.dmp

Filesize
32KB

Download