remcos | 3b6154ebe6f99baa90e7c7c2a73d47898eed72d548b90b32b916eca4f0c830fe

General

Target

639cfdfbff010fd8867a0511ee819750_NeikiAnalytics.exe
Size

1.4MB
MD5

639cfdfbff010fd8867a0511ee819750
SHA1

73d6e2c9c605eafb3ee260c047a83d69622a2c6a
SHA256

3b6154ebe6f99baa90e7c7c2a73d47898eed72d548b90b32b916eca4f0c830fe
SHA512

4541e3080e31e108d3027042b93e2b4d3facbbc83a088c07dd479dc2e6fd54ce282601755ce6bdd388e7f858f945170aa2fabf0b0d60636a01550b634b3c0bd4
SSDEEP

24576:BD39v74lfGQrFUspugRNJI2DJ53J/J/L5dJPjoA:Bp7E+QrFUBgq29

Score

10^/10

remcos host persistence rat

Malware Config

Extracted

Family

remcos

Botnet

Host

C2

213.183.58.19:4000

Attributes

audio_folder
audio
audio_path
%AppData%
audio_record_time
5
connect_delay
0
connect_interval
5
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
read.dat
keylog_flag
false
keylog_folder
CastC
keylog_path
%AppData%
mouse_option
false
mutex
remcos_sccafsoidz
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screens
screenshot_path
%AppData%
screenshot_time
1
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

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:

639cfdfbff010fd8867a0511ee819750_NeikiAnalytics.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\Control Panel\International\Geo\Nation	639cfdfbff010fd8867a0511ee819750_NeikiAnalytics.exe

Executes dropped EXE 2 IoCs

Processes:

sbietrcl.exesbietrcl.exe

pid process

1972 sbietrcl.exe
3128 sbietrcl.exe

pid	process
1972	sbietrcl.exe
3128	sbietrcl.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

639cfdfbff010fd8867a0511ee819750_NeikiAnalytics.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Application = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\sbietrcl.exe"	639cfdfbff010fd8867a0511ee819750_NeikiAnalytics.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

sbietrcl.exe

description pid process target process

PID 1972 set thread context of 3128 1972 sbietrcl.exe sbietrcl.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

description	pid	process	target process
PID 1972 set thread context of 3128	1972	sbietrcl.exe	sbietrcl.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

Processes:

639cfdfbff010fd8867a0511ee819750_NeikiAnalytics.exesbietrcl.exe

pid	process
996	639cfdfbff010fd8867a0511ee819750_NeikiAnalytics.exe
996	639cfdfbff010fd8867a0511ee819750_NeikiAnalytics.exe
996	639cfdfbff010fd8867a0511ee819750_NeikiAnalytics.exe
996	639cfdfbff010fd8867a0511ee819750_NeikiAnalytics.exe
996	639cfdfbff010fd8867a0511ee819750_NeikiAnalytics.exe
996	639cfdfbff010fd8867a0511ee819750_NeikiAnalytics.exe
1972	sbietrcl.exe
1972	sbietrcl.exe
1972	sbietrcl.exe
1972	sbietrcl.exe
1972	sbietrcl.exe
1972	sbietrcl.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

639cfdfbff010fd8867a0511ee819750_NeikiAnalytics.exesbietrcl.exe

description pid process

Token: SeDebugPrivilege 996 639cfdfbff010fd8867a0511ee819750_NeikiAnalytics.exe
Token: SeDebugPrivilege 1972 sbietrcl.exe

description	pid	process
Token: SeDebugPrivilege	996	639cfdfbff010fd8867a0511ee819750_NeikiAnalytics.exe
Token: SeDebugPrivilege	1972	sbietrcl.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

639cfdfbff010fd8867a0511ee819750_NeikiAnalytics.exesbietrcl.exe

description	pid	process	target process
PID 996 wrote to memory of 1972	996	639cfdfbff010fd8867a0511ee819750_NeikiAnalytics.exe	sbietrcl.exe
PID 996 wrote to memory of 1972	996	639cfdfbff010fd8867a0511ee819750_NeikiAnalytics.exe	sbietrcl.exe
PID 996 wrote to memory of 1972	996	639cfdfbff010fd8867a0511ee819750_NeikiAnalytics.exe	sbietrcl.exe
PID 1972 wrote to memory of 3128	1972	sbietrcl.exe	sbietrcl.exe
PID 1972 wrote to memory of 3128	1972	sbietrcl.exe	sbietrcl.exe
PID 1972 wrote to memory of 3128	1972	sbietrcl.exe	sbietrcl.exe
PID 1972 wrote to memory of 3128	1972	sbietrcl.exe	sbietrcl.exe
PID 1972 wrote to memory of 3128	1972	sbietrcl.exe	sbietrcl.exe
PID 1972 wrote to memory of 3128	1972	sbietrcl.exe	sbietrcl.exe
PID 1972 wrote to memory of 3128	1972	sbietrcl.exe	sbietrcl.exe
PID 1972 wrote to memory of 3128	1972	sbietrcl.exe	sbietrcl.exe
PID 1972 wrote to memory of 3128	1972	sbietrcl.exe	sbietrcl.exe

C:\Users\Admin\AppData\Local\Temp\639cfdfbff010fd8867a0511ee819750_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\639cfdfbff010fd8867a0511ee819750_NeikiAnalytics.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:996

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\sbietrcl.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\sbietrcl.exe"
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1972

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\sbietrcl.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\sbietrcl.exe"
3⤵
- Executes dropped EXE
PID:3128

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\sbietrcl.exe

Filesize
1.4MB

MD5
824a11b6a9b09b598bb59078c97f1587

SHA1
45b90a88e8ed27ea501b5283ed4f6b2e79ccd4d1

SHA256
eb3bc96a26c01ea01d05d856d270ca420acc0dc620c4a5d31b5d54b25418e48c

SHA512
ca3d5969e51e8716349d51aeaabd26f8f5caa3471bdcb9bb1b79f67f1a7ac36da5259669230f21c0ee3b80b72b9e975f8bdc562b019bf586a4dc24f687f39b8b

Download Submit
memory/996-28-0x0000000074DF0000-0x00000000753A1000-memory.dmp

Filesize
5.7MB

Download
memory/996-2-0x0000000074DF0000-0x00000000753A1000-memory.dmp

Filesize
5.7MB

Download
memory/996-5-0x0000000074DF0000-0x00000000753A1000-memory.dmp

Filesize
5.7MB

Download
memory/996-6-0x0000000074DF0000-0x00000000753A1000-memory.dmp

Filesize
5.7MB

Download
memory/996-1-0x0000000074DF0000-0x00000000753A1000-memory.dmp

Filesize
5.7MB

Download
memory/996-0-0x0000000074DF2000-0x0000000074DF3000-memory.dmp

Filesize
4KB

Download
memory/1972-29-0x0000000074DF0000-0x00000000753A1000-memory.dmp

Filesize
5.7MB

Download
memory/1972-30-0x0000000074DF0000-0x00000000753A1000-memory.dmp

Filesize
5.7MB

Download
memory/1972-31-0x0000000074DF0000-0x00000000753A1000-memory.dmp

Filesize
5.7MB

Download
memory/1972-32-0x0000000074DF0000-0x00000000753A1000-memory.dmp

Filesize
5.7MB

Download
memory/1972-39-0x0000000074DF0000-0x00000000753A1000-memory.dmp

Filesize
5.7MB

Download
memory/3128-35-0x0000000000390000-0x00000000003A7000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads