remcos | 6da5b50897d3a38bbd255b30d480150a4b1a3ca59650a911c85c179184e0d78e

General

Target

ogbanseef.exe
Size

2.4MB
MD5

df95e42d4edb19dc4b94941f2b613492
SHA1

39037e64ebf0763a42ff4d0312d776d51bbbf06d
SHA256

ee116c48b8e4a3fd0e805b90b03ece7fee2e141d05a386a44bf3725b41d7a534
SHA512

0a98fbb4bfb9647ddb92c2bfea3504831d29d76274a206d07e88fe5dbf41d8544633008d5d1f2ecfb9390043e14090e1b1812bc41f2519d0d0943c8d3f0227fa
SSDEEP

49152:No981ADu1skJBigljMWzOVgEwmiJQgWW4O:N/AUzZYg8iJQw4

Score

10^/10

remcos ogbmanny persistence rat

Malware Config

Extracted

Family

remcos

Version

2.7.1 Pro

Botnet

OGBMANNY

C2

91.231.84.41:52651

127.0.0.1:52651

10.5.175.21:52651

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
false
install_flag
false
install_path
%AppData%
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
remcos
keylog_path
%AppData%
mouse_option
false
mutex
Remcos-B15393
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

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-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	ogbanseef.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-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Eryrascyo = "\"C:\\Users\\Admin\\AppData\\Roaming\\Pqijqagie\\Eryrascyo.exe\""	ogbanseef.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3180 set thread context of 4964	3180	ogbanseef.exe	81

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 2 IoCs

pid	Process
4584	powershell.exe
4584	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3180	ogbanseef.exe
Token: SeDebugPrivilege	4584	powershell.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 3180 wrote to memory of 4584	3180	ogbanseef.exe	79
PID 3180 wrote to memory of 4584	3180	ogbanseef.exe	79
PID 3180 wrote to memory of 4584	3180	ogbanseef.exe	79
PID 3180 wrote to memory of 4964	3180	ogbanseef.exe	81
PID 3180 wrote to memory of 4964	3180	ogbanseef.exe	81
PID 3180 wrote to memory of 4964	3180	ogbanseef.exe	81
PID 3180 wrote to memory of 4964	3180	ogbanseef.exe	81
PID 3180 wrote to memory of 4964	3180	ogbanseef.exe	81
PID 3180 wrote to memory of 4964	3180	ogbanseef.exe	81
PID 3180 wrote to memory of 4964	3180	ogbanseef.exe	81
PID 3180 wrote to memory of 4964	3180	ogbanseef.exe	81
PID 3180 wrote to memory of 4964	3180	ogbanseef.exe	81
PID 3180 wrote to memory of 4964	3180	ogbanseef.exe	81

C:\Users\Admin\AppData\Local\Temp\ogbanseef.exe
"C:\Users\Admin\AppData\Local\Temp\ogbanseef.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:3180
- 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:4584
- C:\Users\Admin\AppData\Local\Temp\ogbanseef.exe
  C:\Users\Admin\AppData\Local\Temp\ogbanseef.exe
  2⤵
  PID:4964

Network

MITRE ATT&CK Enterprise 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

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3180-132-0x0000000000EC0000-0x0000000001122000-memory.dmp

Filesize
2.4MB

Download
memory/3180-133-0x0000000005D50000-0x0000000005D72000-memory.dmp

Filesize
136KB

Download
memory/4584-135-0x0000000002460000-0x0000000002496000-memory.dmp

Filesize
216KB

Download
memory/4584-136-0x0000000004C40000-0x0000000005268000-memory.dmp

Filesize
6.2MB

Download
memory/4584-137-0x0000000005360000-0x00000000053C6000-memory.dmp

Filesize
408KB

Download
memory/4584-138-0x00000000053D0000-0x0000000005436000-memory.dmp

Filesize
408KB

Download
memory/4584-139-0x0000000005A40000-0x0000000005A5E000-memory.dmp

Filesize
120KB

Download
memory/4584-140-0x00000000072B0000-0x000000000792A000-memory.dmp

Filesize
6.5MB

Download
memory/4584-141-0x0000000005EC0000-0x0000000005EDA000-memory.dmp

Filesize
104KB

Download
memory/4964-143-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4964-145-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4964-146-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4964-147-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download

Analysis

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