remcos | 34ae6e94fd8ce101fadff4baf68d7c0b8bf606d1796b7c8199e7d45a9bc57a02

Analysis

max time kernel
150s
max time network
149s
platform
windows10_x64
resource
win10v20210410
submitted
10/05/2021, 12:17

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General

Target
Contract_kyrgyzstan_pdf.exe
Size 712KB
Sample210510-pc3mzfz2qs
SHA256 34ae6e94fd8ce101fadff4baf68d7c0b8bf606d1796b7c8199e7d45a9bc57a02
MD5 67fb76a278f36ef5281467a87806d443
SHA1 22930a44626105fa99485192002166eb34145533
SHA512 352593812459f88e1210cee27d176774a4d7039280ff12d652a7ffa6330b9e9366d47bc7d3c84eeb0b6fc541e0a4b333b4d66d41ef77d9d900e56505a8af72d7
MD5 SHA1 SHA512

Score

10^/10

remcos persistence rat

Malware Config

Extracted

Family

remcos

abujafirms1.duckdns.org:12000
194.5.98.203:1988

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

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Run\Tydgll = "C:\\Users\\Public\\llgdyT.url"	Contract_kyrgyzstan_pdf.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 3968 wrote to memory of 2744	3968	Contract_kyrgyzstan_pdf.exe	79
PID 3968 wrote to memory of 2744	3968	Contract_kyrgyzstan_pdf.exe	79
PID 3968 wrote to memory of 2744	3968	Contract_kyrgyzstan_pdf.exe	79
PID 3968 wrote to memory of 2744	3968	Contract_kyrgyzstan_pdf.exe	79
PID 3968 wrote to memory of 2744	3968	Contract_kyrgyzstan_pdf.exe	79
PID 3968 wrote to memory of 2744	3968	Contract_kyrgyzstan_pdf.exe	79
PID 3968 wrote to memory of 2744	3968	Contract_kyrgyzstan_pdf.exe	79
PID 3968 wrote to memory of 2744	3968	Contract_kyrgyzstan_pdf.exe	79
PID 3968 wrote to memory of 2744	3968	Contract_kyrgyzstan_pdf.exe	79
PID 3968 wrote to memory of 2744	3968	Contract_kyrgyzstan_pdf.exe	79
PID 3968 wrote to memory of 2744	3968	Contract_kyrgyzstan_pdf.exe	79
PID 3968 wrote to memory of 2744	3968	Contract_kyrgyzstan_pdf.exe	79
PID 3968 wrote to memory of 2744	3968	Contract_kyrgyzstan_pdf.exe	79
PID 3968 wrote to memory of 2744	3968	Contract_kyrgyzstan_pdf.exe	79
PID 3968 wrote to memory of 2744	3968	Contract_kyrgyzstan_pdf.exe	79

C:\Users\Admin\AppData\Local\Temp\Contract_kyrgyzstan_pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Contract_kyrgyzstan_pdf.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3968
- C:\Windows\SysWOW64\secinit.exe
  C:\Windows\System32\secinit.exe
  2⤵
  PID:2744

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2744-116-0x00000000007C0000-0x00000000007C1000-memory.dmp

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memory/2744-119-0x0000000010590000-0x000000001060B000-memory.dmp

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memory/2744-120-0x0000000000700000-0x0000000000701000-memory.dmp

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memory/2744-121-0x0000000004500000-0x0000000004578000-memory.dmp

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memory/2744-118-0x0000000000820000-0x0000000000821000-memory.dmp

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memory/3968-114-0x0000000000540000-0x0000000000541000-memory.dmp

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Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads