remcos | fc7cb61d2d3af49d228b2aa554255b5c0401090684cf4336485499af4b6ae2bb

General

Target

48066338a1fea5493f9c9a763d409d2d.exe
Size

847KB
MD5

48066338a1fea5493f9c9a763d409d2d
SHA1

9c6a204e009c8f2f2758a62bb29c598bb7a93af8
SHA256

fc7cb61d2d3af49d228b2aa554255b5c0401090684cf4336485499af4b6ae2bb
SHA512

d53c2dba23840ec4f5cfc966cf2efb97c5b65914845cf9b0ca5444cd03c1537fe3c04429d4258eab9f438cdf1dc461cc5b878210722ffc2228788313d686a440

Score

10^/10

remcos 10.20 persistence rat

Malware Config

Extracted

Family

remcos

Version

3.3.0 Pro

Botnet

10.20

C2

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
sgs.dat
keylog_flag
false
keylog_folder
excom
keylog_path
%AppData%
mouse_option
false
mutex
gfhdfthvgcdfsgdfgsds-9FC8KS
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
wikipedia;solitaire;

Signatures

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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

48066338a1fea5493f9c9a763d409d2d.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Windows\CurrentVersion\Run\Protrf = "C:\\Users\\Public\\frtorP.url"	48066338a1fea5493f9c9a763d409d2d.exe

Modifies registry key 1 TTPs 3 IoCs

Modify Registry
T1112

Processes:

reg.exereg.exereg.exe

pid process

1896 reg.exe
1692 reg.exe
892 reg.exe

pid	process
1896	reg.exe
1692	reg.exe
892	reg.exe

Suspicious use of WriteProcessMemory 44 IoCs

Processes:

48066338a1fea5493f9c9a763d409d2d.execmd.execmd.execmd.exe

description	pid	process	target process
PID 1756 wrote to memory of 1964	1756	48066338a1fea5493f9c9a763d409d2d.exe	DpiScaling.exe
PID 1756 wrote to memory of 1964	1756	48066338a1fea5493f9c9a763d409d2d.exe	DpiScaling.exe
PID 1756 wrote to memory of 1964	1756	48066338a1fea5493f9c9a763d409d2d.exe	DpiScaling.exe
PID 1756 wrote to memory of 1964	1756	48066338a1fea5493f9c9a763d409d2d.exe	DpiScaling.exe
PID 1756 wrote to memory of 1964	1756	48066338a1fea5493f9c9a763d409d2d.exe	DpiScaling.exe
PID 1756 wrote to memory of 1964	1756	48066338a1fea5493f9c9a763d409d2d.exe	DpiScaling.exe
PID 1756 wrote to memory of 1964	1756	48066338a1fea5493f9c9a763d409d2d.exe	DpiScaling.exe
PID 1756 wrote to memory of 1964	1756	48066338a1fea5493f9c9a763d409d2d.exe	DpiScaling.exe
PID 1756 wrote to memory of 1964	1756	48066338a1fea5493f9c9a763d409d2d.exe	DpiScaling.exe
PID 1756 wrote to memory of 1964	1756	48066338a1fea5493f9c9a763d409d2d.exe	DpiScaling.exe
PID 1756 wrote to memory of 1964	1756	48066338a1fea5493f9c9a763d409d2d.exe	DpiScaling.exe
PID 1756 wrote to memory of 1964	1756	48066338a1fea5493f9c9a763d409d2d.exe	DpiScaling.exe
PID 1756 wrote to memory of 1964	1756	48066338a1fea5493f9c9a763d409d2d.exe	DpiScaling.exe
PID 1756 wrote to memory of 1964	1756	48066338a1fea5493f9c9a763d409d2d.exe	DpiScaling.exe
PID 1756 wrote to memory of 1964	1756	48066338a1fea5493f9c9a763d409d2d.exe	DpiScaling.exe
PID 1756 wrote to memory of 1964	1756	48066338a1fea5493f9c9a763d409d2d.exe	DpiScaling.exe
PID 1756 wrote to memory of 1588	1756	48066338a1fea5493f9c9a763d409d2d.exe	cmd.exe
PID 1756 wrote to memory of 1588	1756	48066338a1fea5493f9c9a763d409d2d.exe	cmd.exe
PID 1756 wrote to memory of 1588	1756	48066338a1fea5493f9c9a763d409d2d.exe	cmd.exe
PID 1756 wrote to memory of 1588	1756	48066338a1fea5493f9c9a763d409d2d.exe	cmd.exe
PID 1588 wrote to memory of 1328	1588	cmd.exe	cmd.exe
PID 1588 wrote to memory of 1328	1588	cmd.exe	cmd.exe
PID 1588 wrote to memory of 1328	1588	cmd.exe	cmd.exe
PID 1588 wrote to memory of 1328	1588	cmd.exe	cmd.exe
PID 1328 wrote to memory of 1896	1328	cmd.exe	reg.exe
PID 1328 wrote to memory of 1896	1328	cmd.exe	reg.exe
PID 1328 wrote to memory of 1896	1328	cmd.exe	reg.exe
PID 1328 wrote to memory of 1896	1328	cmd.exe	reg.exe
PID 1328 wrote to memory of 1692	1328	cmd.exe	reg.exe
PID 1328 wrote to memory of 1692	1328	cmd.exe	reg.exe
PID 1328 wrote to memory of 1692	1328	cmd.exe	reg.exe
PID 1328 wrote to memory of 1692	1328	cmd.exe	reg.exe
PID 1328 wrote to memory of 1352	1328	cmd.exe	schtasks.exe
PID 1328 wrote to memory of 1352	1328	cmd.exe	schtasks.exe
PID 1328 wrote to memory of 1352	1328	cmd.exe	schtasks.exe
PID 1328 wrote to memory of 1352	1328	cmd.exe	schtasks.exe
PID 1756 wrote to memory of 1992	1756	48066338a1fea5493f9c9a763d409d2d.exe	cmd.exe
PID 1756 wrote to memory of 1992	1756	48066338a1fea5493f9c9a763d409d2d.exe	cmd.exe
PID 1756 wrote to memory of 1992	1756	48066338a1fea5493f9c9a763d409d2d.exe	cmd.exe
PID 1756 wrote to memory of 1992	1756	48066338a1fea5493f9c9a763d409d2d.exe	cmd.exe
PID 1992 wrote to memory of 892	1992	cmd.exe	reg.exe
PID 1992 wrote to memory of 892	1992	cmd.exe	reg.exe
PID 1992 wrote to memory of 892	1992	cmd.exe	reg.exe
PID 1992 wrote to memory of 892	1992	cmd.exe	reg.exe

C:\Users\Admin\AppData\Local\Temp\48066338a1fea5493f9c9a763d409d2d.exe
"C:\Users\Admin\AppData\Local\Temp\48066338a1fea5493f9c9a763d409d2d.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1756

C:\Windows\SysWOW64\DpiScaling.exe
C:\Windows\System32\DpiScaling.exe
2⤵
PID:1964

C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Public\Trast.bat" "
2⤵
- Suspicious use of WriteProcessMemory
PID:1588

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /K C:\Users\Public\UKO.bat
3⤵
- Suspicious use of WriteProcessMemory
PID:1328

C:\Windows\SysWOW64\reg.exe
reg delete hkcu\Environment /v windir /f
4⤵
- Modifies registry key
PID:1896

C:\Windows\SysWOW64\reg.exe
reg add hkcu\Environment /v windir /d "cmd /c start /min C:\Users\Public\KDECO.bat reg delete hkcu\Environment /v windir /f && REM "
4⤵
- Modifies registry key
PID:1692

C:\Windows\SysWOW64\schtasks.exe
schtasks /Run /TN \Microsoft\Windows\DiskCleanup\SilentCleanup /I
4⤵
PID:1352

C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Public\nest.bat" "
2⤵
- Suspicious use of WriteProcessMemory
PID:1992

C:\Windows\SysWOW64\reg.exe
reg delete hkcu\Environment /v windir /f
3⤵
- Modifies registry key
PID:892

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

2

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Public\Trast.bat
MD5
4068c9f69fcd8a171c67f81d4a952a54

SHA1
4d2536a8c28cdcc17465e20d6693fb9e8e713b36

SHA256
24222300c78180b50ed1f8361ba63cb27316ec994c1c9079708a51b4a1a9d810

SHA512
a64f9319acc51fffd0491c74dcd9c9084c2783b82f95727e4bfe387a8528c6dcf68f11418e88f1e133d115daf907549c86dd7ad866b2a7938add5225fbb2811d

Download Submit
C:\Users\Public\UKO.bat
MD5
eaf8d967454c3bbddbf2e05a421411f8

SHA1
6170880409b24de75c2dc3d56a506fbff7f6622c

SHA256
f35f2658455a2e40f151549a7d6465a836c33fa9109e67623916f889849eac56

SHA512
fe5be5c673e99f70c93019d01abb0a29dd2ecf25b2d895190ff551f020c28e7d8f99f65007f440f0f76c5bcac343b2a179a94d190c938ea3b9e1197890a412e9

Download Submit
C:\Users\Public\nest.bat
MD5
8ada51400b7915de2124baaf75e3414c

SHA1
1a7b9db12184ab7fd7fce1c383f9670a00adb081

SHA256
45aa3957c29865260a78f03eef18ae9aebdbf7bea751ecc88be4a799f2bb46c7

SHA512
9afc138157a4565294ca49942579cdb6f5d8084e56f9354738de62b585f4c0fa3e7f2cbc9541827f2084e3ff36c46eed29b46f5dd2444062ffcd05c599992e68

Download Submit
memory/892-85-0x0000000000000000-mapping.dmp

Download
memory/1328-73-0x0000000000000000-mapping.dmp

Download
memory/1352-77-0x0000000000000000-mapping.dmp

Download
memory/1588-71-0x0000000000000000-mapping.dmp

Download
memory/1692-76-0x0000000000000000-mapping.dmp

Download
memory/1756-55-0x0000000000311000-0x0000000000325000-memory.dmp

Filesize
80KB

Download
memory/1756-56-0x0000000075A71000-0x0000000075A73000-memory.dmp

Filesize
8KB

Download
memory/1756-54-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/1896-75-0x0000000000000000-mapping.dmp

Download
memory/1964-68-0x0000000072600000-0x000000007267C000-memory.dmp

Filesize
496KB

Download
memory/1964-81-0x0000000072600000-0x000000007267C000-memory.dmp

Filesize
496KB

Download
memory/1964-80-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download
memory/1964-82-0x0000000000400000-0x0000000000479000-memory.dmp

Filesize
484KB

Download
memory/1964-79-0x0000000000100000-0x0000000000101000-memory.dmp

Filesize
4KB

Download
memory/1964-78-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download
memory/1964-58-0x0000000000000000-mapping.dmp

Download
memory/1964-57-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download
memory/1992-83-0x0000000000000000-mapping.dmp

Download

Analysis

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