remcos | 86a38c7be7f024035b513355c83265e1e210a2c82329839538a734ad75275d7b

Analysis

max time kernel
149s
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 02:45

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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
548	powershell.exe
1360	powershell.exe

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4432 set thread context of 2608	4432	86a38c7be7f024035b513355c83265e1e210a2c82329839538a734ad75275d7b.exe	98
PID 2608 set thread context of 2208	2608	InstallUtil.exe	106

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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe
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

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
776	schtasks.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
4432	86a38c7be7f024035b513355c83265e1e210a2c82329839538a734ad75275d7b.exe
4432	86a38c7be7f024035b513355c83265e1e210a2c82329839538a734ad75275d7b.exe
4432	86a38c7be7f024035b513355c83265e1e210a2c82329839538a734ad75275d7b.exe
4432	86a38c7be7f024035b513355c83265e1e210a2c82329839538a734ad75275d7b.exe
2608	InstallUtil.exe
548	powershell.exe
1360	powershell.exe
2608	InstallUtil.exe
1360	powershell.exe
548	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	4432	86a38c7be7f024035b513355c83265e1e210a2c82329839538a734ad75275d7b.exe
Token: SeDebugPrivilege	2608	InstallUtil.exe
Token: SeDebugPrivilege	1360	powershell.exe
Token: SeDebugPrivilege	548	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2208	vbc.exe

Suspicious use of WriteProcessMemory 37 IoCs

description	pid	Process	procid_target
PID 4432 wrote to memory of 4360	4432	86a38c7be7f024035b513355c83265e1e210a2c82329839538a734ad75275d7b.exe	97
PID 4432 wrote to memory of 4360	4432	86a38c7be7f024035b513355c83265e1e210a2c82329839538a734ad75275d7b.exe	97
PID 4432 wrote to memory of 4360	4432	86a38c7be7f024035b513355c83265e1e210a2c82329839538a734ad75275d7b.exe	97
PID 4432 wrote to memory of 4360	4432	86a38c7be7f024035b513355c83265e1e210a2c82329839538a734ad75275d7b.exe	97
PID 4432 wrote to memory of 4360	4432	86a38c7be7f024035b513355c83265e1e210a2c82329839538a734ad75275d7b.exe	97
PID 4432 wrote to memory of 4360	4432	86a38c7be7f024035b513355c83265e1e210a2c82329839538a734ad75275d7b.exe	97
PID 4432 wrote to memory of 4360	4432	86a38c7be7f024035b513355c83265e1e210a2c82329839538a734ad75275d7b.exe	97
PID 4432 wrote to memory of 4360	4432	86a38c7be7f024035b513355c83265e1e210a2c82329839538a734ad75275d7b.exe	97
PID 4432 wrote to memory of 2608	4432	86a38c7be7f024035b513355c83265e1e210a2c82329839538a734ad75275d7b.exe	98
PID 4432 wrote to memory of 2608	4432	86a38c7be7f024035b513355c83265e1e210a2c82329839538a734ad75275d7b.exe	98
PID 4432 wrote to memory of 2608	4432	86a38c7be7f024035b513355c83265e1e210a2c82329839538a734ad75275d7b.exe	98
PID 4432 wrote to memory of 2608	4432	86a38c7be7f024035b513355c83265e1e210a2c82329839538a734ad75275d7b.exe	98
PID 4432 wrote to memory of 2608	4432	86a38c7be7f024035b513355c83265e1e210a2c82329839538a734ad75275d7b.exe	98
PID 4432 wrote to memory of 2608	4432	86a38c7be7f024035b513355c83265e1e210a2c82329839538a734ad75275d7b.exe	98
PID 4432 wrote to memory of 2608	4432	86a38c7be7f024035b513355c83265e1e210a2c82329839538a734ad75275d7b.exe	98
PID 4432 wrote to memory of 2608	4432	86a38c7be7f024035b513355c83265e1e210a2c82329839538a734ad75275d7b.exe	98
PID 2608 wrote to memory of 548	2608	InstallUtil.exe	100
PID 2608 wrote to memory of 548	2608	InstallUtil.exe	100
PID 2608 wrote to memory of 548	2608	InstallUtil.exe	100
PID 2608 wrote to memory of 1360	2608	InstallUtil.exe	102
PID 2608 wrote to memory of 1360	2608	InstallUtil.exe	102
PID 2608 wrote to memory of 1360	2608	InstallUtil.exe	102
PID 2608 wrote to memory of 776	2608	InstallUtil.exe	104
PID 2608 wrote to memory of 776	2608	InstallUtil.exe	104
PID 2608 wrote to memory of 776	2608	InstallUtil.exe	104
PID 2608 wrote to memory of 2208	2608	InstallUtil.exe	106
PID 2608 wrote to memory of 2208	2608	InstallUtil.exe	106
PID 2608 wrote to memory of 2208	2608	InstallUtil.exe	106
PID 2608 wrote to memory of 2208	2608	InstallUtil.exe	106
PID 2608 wrote to memory of 2208	2608	InstallUtil.exe	106
PID 2608 wrote to memory of 2208	2608	InstallUtil.exe	106
PID 2608 wrote to memory of 2208	2608	InstallUtil.exe	106
PID 2608 wrote to memory of 2208	2608	InstallUtil.exe	106
PID 2608 wrote to memory of 2208	2608	InstallUtil.exe	106
PID 2608 wrote to memory of 2208	2608	InstallUtil.exe	106
PID 2608 wrote to memory of 2208	2608	InstallUtil.exe	106
PID 2608 wrote to memory of 2208	2608	InstallUtil.exe	106

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:4432
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
  2⤵
  PID:4360
- 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:2608
- - 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:548
- - 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:1360
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\TWzqRLWZGd" /XML "C:\Users\Admin\AppData\Local\Temp\tmp69.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:776
- - 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:2208

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

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Downloads

C:\ProgramData\fghjhh\logs.dat

Filesize
144B

MD5
98b3101240b763c280ea9b882bd2de4a

SHA1
0072ab7a92b41fb478020084d88dbb5694271bf8

SHA256
ce53ba1cef94b2be82d09489baae98d7264649f6c6ec7435e4517d7d62ce8711

SHA512
f1113b6d7f4bfb9e11cdc4613206f270686681758a2fe1aaf8e6baf42e1b503d48da5665d29cebfee2428b8dfa012af672e106562368c22154f2a7a64f0c0171

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
a08f6663529410a9feca642edafdacc7

SHA1
60b2483901b3a5b16511b321cc3bd61b10e48145

SHA256
c19b7f9765af90361ff12048357d3ab27b380dcbce1b0662a236fd4190982d8b

SHA512
ffcb91151e1195bf6c85e65b222467545b40840c304634b4c521def6d5804bc94959dc7b307f64d2e9fb907267dda0f640c29033193e432fa6240b3bd4233106

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_kqab34z2.ag3.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp69.tmp

Filesize
1KB

MD5
a93dbf1fdd576c68c7ee9b18740d790b

SHA1
54fc645ec05a40aea35b3c5f0f48524c10a65415

SHA256
40774d24824c5a9d4fd91a86d73fb79bf9e1a43614112542f2248fd887460ac6

SHA512
9e58180bb0ce72fc5b6fbae9021d8e8158f282547f4f92026b45e551ba089047cb7d1c9e3582d817feda1d2500583d1e65d72c07c617c902582573e6a4a143e0

Download Submit
memory/548-89-0x0000000007BC0000-0x0000000007BCA000-memory.dmp

Filesize
40KB

Download
memory/548-29-0x0000000002EF0000-0x0000000002F26000-memory.dmp

Filesize
216KB

Download
memory/548-87-0x0000000008190000-0x000000000880A000-memory.dmp

Filesize
6.5MB

Download
memory/548-88-0x0000000007B50000-0x0000000007B6A000-memory.dmp

Filesize
104KB

Download
memory/548-86-0x00000000079F0000-0x0000000007A93000-memory.dmp

Filesize
652KB

Download
memory/548-75-0x0000000006DC0000-0x0000000006DDE000-memory.dmp

Filesize
120KB

Download
memory/548-65-0x00000000730C0000-0x000000007310C000-memory.dmp

Filesize
304KB

Download
memory/548-64-0x00000000077A0000-0x00000000077D2000-memory.dmp

Filesize
200KB

Download
memory/548-90-0x0000000007DD0000-0x0000000007E66000-memory.dmp

Filesize
600KB

Download
memory/548-95-0x0000000007E70000-0x0000000007E78000-memory.dmp

Filesize
32KB

Download
memory/1360-32-0x0000000004C20000-0x0000000004C42000-memory.dmp

Filesize
136KB

Download
memory/1360-34-0x00000000053E0000-0x0000000005446000-memory.dmp

Filesize
408KB

Download
memory/1360-94-0x00000000070B0000-0x00000000070CA000-memory.dmp

Filesize
104KB

Download
memory/1360-93-0x0000000006FB0000-0x0000000006FC4000-memory.dmp

Filesize
80KB

Download
memory/1360-92-0x0000000006FA0000-0x0000000006FAE000-memory.dmp

Filesize
56KB

Download
memory/1360-91-0x0000000006F70000-0x0000000006F81000-memory.dmp

Filesize
68KB

Download
memory/1360-76-0x00000000730C0000-0x000000007310C000-memory.dmp

Filesize
304KB

Download
memory/1360-61-0x0000000005A40000-0x0000000005A5E000-memory.dmp

Filesize
120KB

Download
memory/1360-62-0x0000000005AE0000-0x0000000005B2C000-memory.dmp

Filesize
304KB

Download
memory/1360-33-0x0000000005370000-0x00000000053D6000-memory.dmp

Filesize
408KB

Download
memory/1360-30-0x0000000004C90000-0x00000000052B8000-memory.dmp

Filesize
6.2MB

Download
memory/2208-63-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2208-105-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2208-112-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2208-111-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2208-106-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2208-47-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2208-44-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2208-59-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2208-57-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/2608-18-0x0000000006070000-0x00000000063C4000-memory.dmp

Filesize
3.3MB

Download
memory/2608-21-0x00000000084F0000-0x000000000850A000-memory.dmp

Filesize
104KB

Download
memory/2608-23-0x0000000008540000-0x000000000854E000-memory.dmp

Filesize
56KB

Download
memory/2608-14-0x0000000000400000-0x0000000000516000-memory.dmp

Filesize
1.1MB

Download
memory/2608-17-0x00000000745F0000-0x0000000074DA0000-memory.dmp

Filesize
7.7MB

Download
memory/2608-60-0x00000000745F0000-0x0000000074DA0000-memory.dmp

Filesize
7.7MB

Download
memory/2608-19-0x00000000745F0000-0x0000000074DA0000-memory.dmp

Filesize
7.7MB

Download
memory/2608-22-0x00000000745F0000-0x0000000074DA0000-memory.dmp

Filesize
7.7MB

Download
memory/2608-20-0x00000000083E0000-0x00000000084EE000-memory.dmp

Filesize
1.1MB

Download
memory/2608-24-0x00000000086E0000-0x00000000087A0000-memory.dmp

Filesize
768KB

Download
memory/4432-13-0x0000000003200000-0x0000000003206000-memory.dmp

Filesize
24KB

Download
memory/4432-3-0x0000000005910000-0x00000000059A2000-memory.dmp

Filesize
584KB

Download
memory/4432-5-0x00000000745F0000-0x0000000074DA0000-memory.dmp

Filesize
7.7MB

Download
memory/4432-8-0x00000000745FE000-0x00000000745FF000-memory.dmp

Filesize
4KB

Download
memory/4432-9-0x00000000745F0000-0x0000000074DA0000-memory.dmp

Filesize
7.7MB

Download
memory/4432-10-0x00000000745F0000-0x0000000074DA0000-memory.dmp

Filesize
7.7MB

Download
memory/4432-6-0x00000000058B0000-0x00000000058F4000-memory.dmp

Filesize
272KB

Download
memory/4432-4-0x0000000005A70000-0x0000000005B0C000-memory.dmp

Filesize
624KB

Download
memory/4432-7-0x0000000005B60000-0x0000000005B6A000-memory.dmp

Filesize
40KB

Download
memory/4432-2-0x0000000005F80000-0x0000000006524000-memory.dmp

Filesize
5.6MB

Download
memory/4432-11-0x00000000745F0000-0x0000000074DA0000-memory.dmp

Filesize
7.7MB

Download
memory/4432-0-0x00000000745FE000-0x00000000745FF000-memory.dmp

Filesize
4KB

Download
memory/4432-1-0x0000000000320000-0x00000000005AC000-memory.dmp

Filesize
2.5MB

Download
memory/4432-12-0x0000000007310000-0x000000000732A000-memory.dmp

Filesize
104KB

Download
memory/4432-16-0x00000000745F0000-0x0000000074DA0000-memory.dmp

Filesize
7.7MB

Download