remcos | 86a38c7be7f024035b513355c83265e1e210a2c82329839538a734ad75275d7b

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
27-08-2024 17:23

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General

Target

86a38c7be7f024035b513355c83265e1e210a2c82329839538a734ad75275d7b.exe
Size

2.5MB
MD5

b04baf73f6244754828f8583d110dd88
SHA1

651c010d7d52be0dd2dad5f1408dbddf5a1e4e87
SHA256

86a38c7be7f024035b513355c83265e1e210a2c82329839538a734ad75275d7b
SHA512

63d2d8bccd200661846564f894eae8ed0bce14e7f92da5ad2a4fa0adbb637ac20c31e95e73803d665d950c0dde144fa06bf7c90419dac831c40b0cc93e568640
SSDEEP

24576:d9zZqnxodZVAZgodXA+8NOxmSNfQ7GglYK68zcJAzQf2jYlnucOYZaxR7Ryw:d6odStNWOolY4YJAEf2oz/cxRV

Score

10^/10

remcos remotehost discovery execution rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

www.lig-gu.com:2404

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
fghjhh
mouse_option
false
mutex
Rmc-ZI0DZ3
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

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
4720	powershell.exe
3616	powershell.exe

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1492 set thread context of 1148	1492	86a38c7be7f024035b513355c83265e1e210a2c82329839538a734ad75275d7b.exe	97
PID 1148 set thread context of 2648	1148	InstallUtil.exe	105

System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	86a38c7be7f024035b513355c83265e1e210a2c82329839538a734ad75275d7b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	InstallUtil.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
4288	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1492	86a38c7be7f024035b513355c83265e1e210a2c82329839538a734ad75275d7b.exe
1492	86a38c7be7f024035b513355c83265e1e210a2c82329839538a734ad75275d7b.exe
1148	InstallUtil.exe
4720	powershell.exe
1148	InstallUtil.exe
3616	powershell.exe
4720	powershell.exe
3616	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1492	86a38c7be7f024035b513355c83265e1e210a2c82329839538a734ad75275d7b.exe
Token: SeDebugPrivilege	1148	InstallUtil.exe
Token: SeDebugPrivilege	4720	powershell.exe
Token: SeDebugPrivilege	3616	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2648	vbc.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 1492 wrote to memory of 1148	1492	86a38c7be7f024035b513355c83265e1e210a2c82329839538a734ad75275d7b.exe	97
PID 1492 wrote to memory of 1148	1492	86a38c7be7f024035b513355c83265e1e210a2c82329839538a734ad75275d7b.exe	97
PID 1492 wrote to memory of 1148	1492	86a38c7be7f024035b513355c83265e1e210a2c82329839538a734ad75275d7b.exe	97
PID 1492 wrote to memory of 1148	1492	86a38c7be7f024035b513355c83265e1e210a2c82329839538a734ad75275d7b.exe	97
PID 1492 wrote to memory of 1148	1492	86a38c7be7f024035b513355c83265e1e210a2c82329839538a734ad75275d7b.exe	97
PID 1492 wrote to memory of 1148	1492	86a38c7be7f024035b513355c83265e1e210a2c82329839538a734ad75275d7b.exe	97
PID 1492 wrote to memory of 1148	1492	86a38c7be7f024035b513355c83265e1e210a2c82329839538a734ad75275d7b.exe	97
PID 1492 wrote to memory of 1148	1492	86a38c7be7f024035b513355c83265e1e210a2c82329839538a734ad75275d7b.exe	97
PID 1148 wrote to memory of 4720	1148	InstallUtil.exe	99
PID 1148 wrote to memory of 4720	1148	InstallUtil.exe	99
PID 1148 wrote to memory of 4720	1148	InstallUtil.exe	99
PID 1148 wrote to memory of 3616	1148	InstallUtil.exe	101
PID 1148 wrote to memory of 3616	1148	InstallUtil.exe	101
PID 1148 wrote to memory of 3616	1148	InstallUtil.exe	101
PID 1148 wrote to memory of 4288	1148	InstallUtil.exe	103
PID 1148 wrote to memory of 4288	1148	InstallUtil.exe	103
PID 1148 wrote to memory of 4288	1148	InstallUtil.exe	103
PID 1148 wrote to memory of 2648	1148	InstallUtil.exe	105
PID 1148 wrote to memory of 2648	1148	InstallUtil.exe	105
PID 1148 wrote to memory of 2648	1148	InstallUtil.exe	105
PID 1148 wrote to memory of 2648	1148	InstallUtil.exe	105
PID 1148 wrote to memory of 2648	1148	InstallUtil.exe	105
PID 1148 wrote to memory of 2648	1148	InstallUtil.exe	105
PID 1148 wrote to memory of 2648	1148	InstallUtil.exe	105
PID 1148 wrote to memory of 2648	1148	InstallUtil.exe	105
PID 1148 wrote to memory of 2648	1148	InstallUtil.exe	105
PID 1148 wrote to memory of 2648	1148	InstallUtil.exe	105
PID 1148 wrote to memory of 2648	1148	InstallUtil.exe	105
PID 1148 wrote to memory of 2648	1148	InstallUtil.exe	105

C:\Users\Admin\AppData\Local\Temp\86a38c7be7f024035b513355c83265e1e210a2c82329839538a734ad75275d7b.exe
"C:\Users\Admin\AppData\Local\Temp\86a38c7be7f024035b513355c83265e1e210a2c82329839538a734ad75275d7b.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1492
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1148
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4720
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\TWzqRLWZGd.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3616
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\TWzqRLWZGd" /XML "C:\Users\Admin\AppData\Local\Temp\tmp18AE.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4288
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    PID:2648

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Scripting

T1064

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Scripting

T1064

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\fghjhh\logs.dat

Filesize
144B

MD5
e56454eed4dd6a5248f2cf661574542e

SHA1
429ea223a359b904d9b80f98a5cd39a1b363df12

SHA256
93cf7dab1e4cc13afcef8317d9a71eca024a01518831b6b46ddf9bd87ee8bf51

SHA512
68517aea8ac5b05cf7f556624757582937193d9a9751015a1b3eea7a361450b2f062a86abe5e7ddc2793df528b7fb8fb7d264c8bc5e9cdb1d639f1e7a91bf01b

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
968cb9309758126772781b83adb8a28f

SHA1
8da30e71accf186b2ba11da1797cf67f8f78b47c

SHA256
92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

SHA512
4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
18KB

MD5
b505a34331887793d07de42b6067cdc0

SHA1
bc628d96e806c6b7a1e8d2c6d3cbffaf1cb9ab8b

SHA256
798283a908d1b6181d545ad4b41cf9eea859e7cc5c2ea4c92023b7377afde829

SHA512
08742957cd422115025fb1af5cdca0d432392127a7afaee09ad8968ae6d1ded4b7d4752431ae357cfb2d3ab659f8e91951d6d30f40ec8b011943cba9b90d55ce

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_rmrouloj.uqf.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp18AE.tmp

Filesize
1KB

MD5
96954f74c80391cf72ecdd08ec8df242

SHA1
07911a035f4634bdfd8da1c2ba3bc2b25a3739dd

SHA256
d032361673ea7840ce28d810a6819d3fae1e389d3dacf1117944167894a9a402

SHA512
a5da5c9ddac44b50d05ad6a403abc030ce58643d2b7386ef02e980f2b0dfbea0ee5d5553081d453d3ce55e410969c456399d4d178b6225c099b93a598f185d95

Download Submit
memory/1148-51-0x0000000074500000-0x0000000074CB0000-memory.dmp

Filesize
7.7MB

Download
memory/1148-16-0x0000000074500000-0x0000000074CB0000-memory.dmp

Filesize
7.7MB

Download
memory/1148-24-0x0000000008210000-0x00000000082D0000-memory.dmp

Filesize
768KB

Download
memory/1148-23-0x0000000008070000-0x000000000807E000-memory.dmp

Filesize
56KB

Download
memory/1148-22-0x0000000074500000-0x0000000074CB0000-memory.dmp

Filesize
7.7MB

Download
memory/1148-21-0x0000000005DD0000-0x0000000005DEA000-memory.dmp

Filesize
104KB

Download
memory/1148-20-0x0000000007F60000-0x000000000806E000-memory.dmp

Filesize
1.1MB

Download
memory/1148-19-0x0000000074500000-0x0000000074CB0000-memory.dmp

Filesize
7.7MB

Download
memory/1148-18-0x00000000050E0000-0x0000000005434000-memory.dmp

Filesize
3.3MB

Download
memory/1148-14-0x0000000000400000-0x0000000000516000-memory.dmp

Filesize
1.1MB

Download
memory/1492-12-0x0000000006B70000-0x0000000006B8A000-memory.dmp

Filesize
104KB

Download
memory/1492-8-0x000000007450E000-0x000000007450F000-memory.dmp

Filesize
4KB

Download
memory/1492-13-0x0000000000F20000-0x0000000000F26000-memory.dmp

Filesize
24KB

Download
memory/1492-4-0x00000000052C0000-0x000000000535C000-memory.dmp

Filesize
624KB

Download
memory/1492-11-0x0000000074500000-0x0000000074CB0000-memory.dmp

Filesize
7.7MB

Download
memory/1492-10-0x0000000074500000-0x0000000074CB0000-memory.dmp

Filesize
7.7MB

Download
memory/1492-9-0x0000000074500000-0x0000000074CB0000-memory.dmp

Filesize
7.7MB

Download
memory/1492-17-0x0000000074500000-0x0000000074CB0000-memory.dmp

Filesize
7.7MB

Download
memory/1492-7-0x0000000005380000-0x000000000538A000-memory.dmp

Filesize
40KB

Download
memory/1492-2-0x00000000057D0000-0x0000000005D74000-memory.dmp

Filesize
5.6MB

Download
memory/1492-3-0x0000000005220000-0x00000000052B2000-memory.dmp

Filesize
584KB

Download
memory/1492-5-0x0000000074500000-0x0000000074CB0000-memory.dmp

Filesize
7.7MB

Download
memory/1492-0-0x000000007450E000-0x000000007450F000-memory.dmp

Filesize
4KB

Download
memory/1492-1-0x0000000000010000-0x000000000029C000-memory.dmp

Filesize
2.5MB

Download
memory/1492-6-0x0000000002D80000-0x0000000002DC4000-memory.dmp

Filesize
272KB

Download
memory/2648-37-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2648-111-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2648-40-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2648-105-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2648-61-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2648-33-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2648-112-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2648-106-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2648-35-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3616-65-0x0000000070A30000-0x0000000070A7C000-memory.dmp

Filesize
304KB

Download
memory/3616-75-0x0000000006350000-0x000000000636E000-memory.dmp

Filesize
120KB

Download
memory/3616-93-0x0000000007300000-0x0000000007314000-memory.dmp

Filesize
80KB

Download
memory/3616-64-0x0000000006D20000-0x0000000006D52000-memory.dmp

Filesize
200KB

Download
memory/3616-94-0x0000000007400000-0x000000000741A000-memory.dmp

Filesize
104KB

Download
memory/4720-88-0x0000000007A00000-0x0000000007A1A000-memory.dmp

Filesize
104KB

Download
memory/4720-86-0x00000000078B0000-0x0000000007953000-memory.dmp

Filesize
652KB

Download
memory/4720-89-0x0000000007A70000-0x0000000007A7A000-memory.dmp

Filesize
40KB

Download
memory/4720-90-0x0000000007C80000-0x0000000007D16000-memory.dmp

Filesize
600KB

Download
memory/4720-91-0x0000000007C00000-0x0000000007C11000-memory.dmp

Filesize
68KB

Download
memory/4720-92-0x0000000007C30000-0x0000000007C3E000-memory.dmp

Filesize
56KB

Download
memory/4720-87-0x0000000008050000-0x00000000086CA000-memory.dmp

Filesize
6.5MB

Download
memory/4720-36-0x0000000006070000-0x00000000060D6000-memory.dmp

Filesize
408KB

Download
memory/4720-95-0x0000000007D20000-0x0000000007D28000-memory.dmp

Filesize
32KB

Download
memory/4720-30-0x0000000005960000-0x0000000005F88000-memory.dmp

Filesize
6.2MB

Download
memory/4720-29-0x0000000002DB0000-0x0000000002DE6000-memory.dmp

Filesize
216KB

Download
memory/4720-34-0x0000000006000000-0x0000000006066000-memory.dmp

Filesize
408KB

Download
memory/4720-76-0x0000000070A30000-0x0000000070A7C000-memory.dmp

Filesize
304KB

Download
memory/4720-63-0x0000000006710000-0x000000000675C000-memory.dmp

Filesize
304KB

Download
memory/4720-62-0x00000000066D0000-0x00000000066EE000-memory.dmp

Filesize
120KB

Download
memory/4720-32-0x0000000005810000-0x0000000005832000-memory.dmp

Filesize
136KB

Download