remcos | 6256a9de45ff5b2c8f1f0462de2f96e730df80bed12f227caff765646b730e80

General

Target

ubabalo logs.exe
Size

1.8MB
MD5

84528fbc769f9d1f9858ac7f3e2b771e
SHA1

2facdf0f04ac13a31a463fec11c1a96b97ba95a8
SHA256

6256a9de45ff5b2c8f1f0462de2f96e730df80bed12f227caff765646b730e80
SHA512

be8bc54e340898ed9e97029deea743349475080b5ce3197917fd77258f8bfdc8418457a45c938eed05bd945eed6b9879fd7e8c2e22255022ba589ef1975337c1
SSDEEP

24576:Srps73f4UQJjDDlGQ5kRQ6o0p54F28zsmlVFLA8FiHV2T7PajK7/rwd1lI7KWTe+:CiSP5NNrL5I23PN/v9eIFDei

Score

10^/10

remcos mimiboy persistence rat

Malware Config

Extracted

Family

remcos

Version

2.7.1 Pro

Botnet

MIMIBOY

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-SURYWD
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:

ubabalo logs.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\Fnhyunnbid = "\"C:\\Users\\Admin\\AppData\\Roaming\\Ttlppziotq\\Fnhyunnbid.exe\""	ubabalo logs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

ubabalo logs.exe

description pid process target process

PID 1776 set thread context of 288 1776 ubabalo logs.exe ubabalo logs.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 1 IoCs

Processes:

powershell.exe

pid process

572 powershell.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

powershell.exeubabalo logs.exe

description pid process

Token: SeDebugPrivilege 572 powershell.exe
Token: SeDebugPrivilege 1776 ubabalo logs.exe

description	pid	process	target process
PID 1776 set thread context of 288	1776	ubabalo logs.exe	ubabalo logs.exe

pid	process
572	powershell.exe

description	pid	process
Token: SeDebugPrivilege	572	powershell.exe
Token: SeDebugPrivilege	1776	ubabalo logs.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

ubabalo logs.exe

description	pid	process	target process
PID 1776 wrote to memory of 572	1776	ubabalo logs.exe	powershell.exe
PID 1776 wrote to memory of 572	1776	ubabalo logs.exe	powershell.exe
PID 1776 wrote to memory of 572	1776	ubabalo logs.exe	powershell.exe
PID 1776 wrote to memory of 572	1776	ubabalo logs.exe	powershell.exe
PID 1776 wrote to memory of 288	1776	ubabalo logs.exe	ubabalo logs.exe
PID 1776 wrote to memory of 288	1776	ubabalo logs.exe	ubabalo logs.exe
PID 1776 wrote to memory of 288	1776	ubabalo logs.exe	ubabalo logs.exe
PID 1776 wrote to memory of 288	1776	ubabalo logs.exe	ubabalo logs.exe
PID 1776 wrote to memory of 288	1776	ubabalo logs.exe	ubabalo logs.exe
PID 1776 wrote to memory of 288	1776	ubabalo logs.exe	ubabalo logs.exe
PID 1776 wrote to memory of 288	1776	ubabalo logs.exe	ubabalo logs.exe
PID 1776 wrote to memory of 288	1776	ubabalo logs.exe	ubabalo logs.exe
PID 1776 wrote to memory of 288	1776	ubabalo logs.exe	ubabalo logs.exe
PID 1776 wrote to memory of 288	1776	ubabalo logs.exe	ubabalo logs.exe
PID 1776 wrote to memory of 288	1776	ubabalo logs.exe	ubabalo logs.exe

C:\Users\Admin\AppData\Local\Temp\ubabalo logs.exe
"C:\Users\Admin\AppData\Local\Temp\ubabalo logs.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1776

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:572

C:\Users\Admin\AppData\Local\Temp\ubabalo logs.exe
"C:\Users\Admin\AppData\Local\Temp\ubabalo logs.exe"
2⤵
PID:288

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

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/288-74-0x0000000000413FA4-mapping.dmp

Download
memory/288-70-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/288-78-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/288-64-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/288-73-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/288-71-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/288-69-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/288-65-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/288-79-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/288-77-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/288-67-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/572-62-0x000000006EBE0000-0x000000006F18B000-memory.dmp

Filesize
5.7MB

Download
memory/572-61-0x000000006EBE0000-0x000000006F18B000-memory.dmp

Filesize
5.7MB

Download
memory/572-60-0x000000006EBE0000-0x000000006F18B000-memory.dmp

Filesize
5.7MB

Download
memory/572-58-0x0000000000000000-mapping.dmp

Download
memory/1776-55-0x0000000075F01000-0x0000000075F03000-memory.dmp

Filesize
8KB

Download
memory/1776-54-0x0000000001140000-0x0000000001320000-memory.dmp

Filesize
1.9MB

Download
memory/1776-57-0x0000000004720000-0x00000000047B2000-memory.dmp

Filesize
584KB

Download
memory/1776-56-0x00000000052B0000-0x0000000005414000-memory.dmp

Filesize
1.4MB

Download
memory/1776-63-0x0000000005040000-0x000000000508C000-memory.dmp

Filesize
304KB

Download

Analysis

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