remcos | 28027242d50c7ac56bf9c3d03be17b9f93e857b171b65222c20d679048c42793

Analysis

max time kernel
149s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
05/06/2024, 01:15

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General

Target
28027242d50c7ac56bf9c3d03be17b9f93e857b171b65222c20d679048c42793.exe
Size 856KB
Sample240605-bl7klahf9v
SHA256 28027242d50c7ac56bf9c3d03be17b9f93e857b171b65222c20d679048c42793
MD5 e24419df6c7ac3cbfd80f7a8268ab759
SHA1 0b40e02c810f89cd4f14b29261eb4a720b15e69b
SHA512 9b1c2a40a3e92ed34b1866df59f37561e81df5573ea2f3aec1b79c6b78d919aedf11c6a9295f72d2619a07763590180660e147b1c6754996a718684efeef60f9
SSDEEP 24576:0XYHRTim+Nq125N+Zr+7SLptrw6A+7ooNbVOqQ98y5/:7pim+8k5DSLbrwsxU98y5/
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

remcos pupip rat

Malware Config

Extracted

Family

remcos

Botnet

PUPIP

zakriexports.com:1988

Attributes

audio_folder
MicRecords
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
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
remcos
mouse_option
false
mutex
PUBIP-97ETXB
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
take_screenshot_option
false
take_screenshot_time
5

Signatures

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

Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003) 18 IoCs

resource	yara_rule
behavioral2/memory/2608-6-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral2/memory/2608-7-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral2/memory/2608-8-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral2/memory/2608-5-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral2/memory/2608-9-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral2/memory/2608-4-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral2/memory/2608-11-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral2/memory/2608-12-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral2/memory/2608-10-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral2/memory/2608-18-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral2/memory/2608-17-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral2/memory/2608-19-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral2/memory/2608-21-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral2/memory/2608-20-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral2/memory/2608-22-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral2/memory/2608-23-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral2/memory/2608-26-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral2/memory/2608-27-0x0000000000400000-0x0000000000482000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM

Detects executables packed with or use KoiVM 1 IoCs

resource	yara_rule
behavioral2/memory/4480-3-0x000002027BBD0000-0x000002027BCA0000-memory.dmp	INDICATOR_EXE_Packed_KoiVM

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4480 set thread context of 2608	4480	28027242d50c7ac56bf9c3d03be17b9f93e857b171b65222c20d679048c42793.exe	91

Runs regedit.exe 1 IoCs

pid	Process
772	regedit.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4480	28027242d50c7ac56bf9c3d03be17b9f93e857b171b65222c20d679048c42793.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 4480 wrote to memory of 772	4480	28027242d50c7ac56bf9c3d03be17b9f93e857b171b65222c20d679048c42793.exe	88
PID 4480 wrote to memory of 772	4480	28027242d50c7ac56bf9c3d03be17b9f93e857b171b65222c20d679048c42793.exe	88
PID 4480 wrote to memory of 772	4480	28027242d50c7ac56bf9c3d03be17b9f93e857b171b65222c20d679048c42793.exe	88
PID 4480 wrote to memory of 772	4480	28027242d50c7ac56bf9c3d03be17b9f93e857b171b65222c20d679048c42793.exe	88
PID 4480 wrote to memory of 772	4480	28027242d50c7ac56bf9c3d03be17b9f93e857b171b65222c20d679048c42793.exe	88
PID 4480 wrote to memory of 772	4480	28027242d50c7ac56bf9c3d03be17b9f93e857b171b65222c20d679048c42793.exe	88
PID 4480 wrote to memory of 772	4480	28027242d50c7ac56bf9c3d03be17b9f93e857b171b65222c20d679048c42793.exe	88
PID 4480 wrote to memory of 772	4480	28027242d50c7ac56bf9c3d03be17b9f93e857b171b65222c20d679048c42793.exe	88
PID 4480 wrote to memory of 772	4480	28027242d50c7ac56bf9c3d03be17b9f93e857b171b65222c20d679048c42793.exe	88
PID 4480 wrote to memory of 772	4480	28027242d50c7ac56bf9c3d03be17b9f93e857b171b65222c20d679048c42793.exe	88
PID 4480 wrote to memory of 2608	4480	28027242d50c7ac56bf9c3d03be17b9f93e857b171b65222c20d679048c42793.exe	91
PID 4480 wrote to memory of 2608	4480	28027242d50c7ac56bf9c3d03be17b9f93e857b171b65222c20d679048c42793.exe	91
PID 4480 wrote to memory of 2608	4480	28027242d50c7ac56bf9c3d03be17b9f93e857b171b65222c20d679048c42793.exe	91
PID 4480 wrote to memory of 2608	4480	28027242d50c7ac56bf9c3d03be17b9f93e857b171b65222c20d679048c42793.exe	91
PID 4480 wrote to memory of 2608	4480	28027242d50c7ac56bf9c3d03be17b9f93e857b171b65222c20d679048c42793.exe	91
PID 4480 wrote to memory of 2608	4480	28027242d50c7ac56bf9c3d03be17b9f93e857b171b65222c20d679048c42793.exe	91
PID 4480 wrote to memory of 2608	4480	28027242d50c7ac56bf9c3d03be17b9f93e857b171b65222c20d679048c42793.exe	91
PID 4480 wrote to memory of 2608	4480	28027242d50c7ac56bf9c3d03be17b9f93e857b171b65222c20d679048c42793.exe	91
PID 4480 wrote to memory of 2608	4480	28027242d50c7ac56bf9c3d03be17b9f93e857b171b65222c20d679048c42793.exe	91
PID 4480 wrote to memory of 2608	4480	28027242d50c7ac56bf9c3d03be17b9f93e857b171b65222c20d679048c42793.exe	91
PID 4480 wrote to memory of 2608	4480	28027242d50c7ac56bf9c3d03be17b9f93e857b171b65222c20d679048c42793.exe	91
PID 4480 wrote to memory of 2608	4480	28027242d50c7ac56bf9c3d03be17b9f93e857b171b65222c20d679048c42793.exe	91
PID 4480 wrote to memory of 4116	4480	28027242d50c7ac56bf9c3d03be17b9f93e857b171b65222c20d679048c42793.exe	92
PID 4480 wrote to memory of 4116	4480	28027242d50c7ac56bf9c3d03be17b9f93e857b171b65222c20d679048c42793.exe	92
PID 4480 wrote to memory of 4116	4480	28027242d50c7ac56bf9c3d03be17b9f93e857b171b65222c20d679048c42793.exe	92

C:\Users\Admin\AppData\Local\Temp\28027242d50c7ac56bf9c3d03be17b9f93e857b171b65222c20d679048c42793.exe
"C:\Users\Admin\AppData\Local\Temp\28027242d50c7ac56bf9c3d03be17b9f93e857b171b65222c20d679048c42793.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4480
- C:\Windows\regedit.exe
  "C:\Windows\regedit.exe"
  2⤵
  - Runs regedit.exe
  PID:772
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_wp.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_wp.exe"
  2⤵
  PID:2608
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_wp.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_wp.exe"
  2⤵
  PID:4116

Network

MITRE ATT&CK Matrix

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Downloads

memory/2608-10-0x0000000000400000-0x0000000000482000-memory.dmp

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memory/2608-8-0x0000000000400000-0x0000000000482000-memory.dmp

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memory/2608-27-0x0000000000400000-0x0000000000482000-memory.dmp

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memory/2608-26-0x0000000000400000-0x0000000000482000-memory.dmp

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memory/2608-6-0x0000000000400000-0x0000000000482000-memory.dmp

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memory/2608-7-0x0000000000400000-0x0000000000482000-memory.dmp

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memory/2608-12-0x0000000000400000-0x0000000000482000-memory.dmp

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memory/2608-5-0x0000000000400000-0x0000000000482000-memory.dmp

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memory/2608-9-0x0000000000400000-0x0000000000482000-memory.dmp

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memory/2608-4-0x0000000000400000-0x0000000000482000-memory.dmp

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memory/2608-23-0x0000000000400000-0x0000000000482000-memory.dmp

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memory/2608-11-0x0000000000400000-0x0000000000482000-memory.dmp

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memory/2608-17-0x0000000000400000-0x0000000000482000-memory.dmp

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memory/2608-22-0x0000000000400000-0x0000000000482000-memory.dmp

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memory/2608-20-0x0000000000400000-0x0000000000482000-memory.dmp

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memory/2608-18-0x0000000000400000-0x0000000000482000-memory.dmp

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memory/2608-21-0x0000000000400000-0x0000000000482000-memory.dmp

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memory/2608-19-0x0000000000400000-0x0000000000482000-memory.dmp

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memory/4480-1-0x00007FFE31143000-0x00007FFE31145000-memory.dmp

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memory/4480-16-0x00007FFE31140000-0x00007FFE31C01000-memory.dmp

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memory/4480-13-0x000002027A9D0000-0x000002027AB79000-memory.dmp

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memory/4480-0-0x0000020260350000-0x000002026035E000-memory.dmp

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memory/4480-3-0x000002027BBD0000-0x000002027BCA0000-memory.dmp

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memory/4480-2-0x00007FFE31140000-0x00007FFE31C01000-memory.dmp

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Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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