remcos | c07fd0e28659f9346a6330682e6c598df98402f2b853b6e00fef908ce432ee42

General

Target

image002933894HF8474H038RHF7.exe
Size

2.6MB
MD5

a20b5a07ccf2b7dc101161b49f140626
SHA1

53493c31d96556211b32e2ce078d5d63f6f5329a
SHA256

c07fd0e28659f9346a6330682e6c598df98402f2b853b6e00fef908ce432ee42
SHA512

45d49d0b5ea7c326e4e564db0cf347b2e058ab33e93a318019ec8daf2e515dea8ad636b87ca298fcb3d5ebad1e87f1eb51513a88c34c119534bea63478dd2e40

Score

10^/10

remcos evasion persistence rat trojan

Malware Config

Extracted

Family

remcos

C2

www.alldatalogs.xyz:2404

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

Processes:

image002933894HF8474H038RHF7.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "explorer.exe,\"C:\\Users\\Admin\\AppData\\Local\\Temp\\image002933894HF8474H038RHF7.exe\""	image002933894HF8474H038RHF7.exe

Remcos
Remcos is a closed-source remote control and surveillance software.
rat remcos
Turns off Windows Defender SpyNet reporting 2 TTPs
evasion

Disabling Security Tools
T1089

Modify Registry
T1112
Windows security bypass 2 TTPs
evasion trojan

Disabling Security Tools
T1089

Modify Registry
T1112

Drops startup file 2 IoCs

Processes:

image002933894HF8474H038RHF7.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\image002933894HF8474H038RHF7.exe	image002933894HF8474H038RHF7.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\image002933894HF8474H038RHF7.exe	image002933894HF8474H038RHF7.exe

Windows security modification 2 TTPs 11 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

Processes:

image002933894HF8474H038RHF7.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Real-Time Protection	image002933894HF8474H038RHF7.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Spynet\SpyNetReporting = "0"	image002933894HF8474H038RHF7.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	image002933894HF8474H038RHF7.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Exclusions\Paths	image002933894HF8474H038RHF7.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Exclusions	image002933894HF8474H038RHF7.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\image002933894HF8474H038RHF7.exe = "0"	image002933894HF8474H038RHF7.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Spynet\SubmitSamplesConsent = "0"	image002933894HF8474H038RHF7.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	image002933894HF8474H038RHF7.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\image002933894HF8474H038RHF7.exe = "0"	image002933894HF8474H038RHF7.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	image002933894HF8474H038RHF7.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Spynet	image002933894HF8474H038RHF7.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

image002933894HF8474H038RHF7.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Windows\CurrentVersion\Run\image002933894HF8474H038RHF7.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\image002933894HF8474H038RHF7.exe"	image002933894HF8474H038RHF7.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Windows\CurrentVersion\Run\<Unknown> = "C:\\Users\\Admin\\AppData\\Local\\Temp\\image002933894HF8474H038RHF7.exe"	image002933894HF8474H038RHF7.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102
Suspicious use of SetThreadContext 1 IoCs

Processes:

image002933894HF8474H038RHF7.exe

description pid process target process

PID 1176 set thread context of 196 1176 image002933894HF8474H038RHF7.exe image002933894HF8474H038RHF7.exe

description	pid	process	target process
PID 1176 set thread context of 196	1176	image002933894HF8474H038RHF7.exe	image002933894HF8474H038RHF7.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

Processes:

powershell.exepowershell.exepowershell.exepowershell.exe

pid	process
2600	powershell.exe
3700	powershell.exe
388	powershell.exe
3724	powershell.exe
388	powershell.exe
3700	powershell.exe
2600	powershell.exe
3724	powershell.exe
2600	powershell.exe
3700	powershell.exe
388	powershell.exe
3724	powershell.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

image002933894HF8474H038RHF7.exepowershell.exepowershell.exepowershell.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	1176	image002933894HF8474H038RHF7.exe
Token: SeDebugPrivilege	388	powershell.exe
Token: SeDebugPrivilege	2600	powershell.exe
Token: SeDebugPrivilege	3700	powershell.exe
Token: SeDebugPrivilege	3724	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

image002933894HF8474H038RHF7.exe

pid process

196 image002933894HF8474H038RHF7.exe

pid	process
196	image002933894HF8474H038RHF7.exe

Suspicious use of WriteProcessMemory 22 IoCs

Processes:

image002933894HF8474H038RHF7.exe

description	pid	process	target process
PID 1176 wrote to memory of 388	1176	image002933894HF8474H038RHF7.exe	powershell.exe
PID 1176 wrote to memory of 388	1176	image002933894HF8474H038RHF7.exe	powershell.exe
PID 1176 wrote to memory of 388	1176	image002933894HF8474H038RHF7.exe	powershell.exe
PID 1176 wrote to memory of 2600	1176	image002933894HF8474H038RHF7.exe	powershell.exe
PID 1176 wrote to memory of 2600	1176	image002933894HF8474H038RHF7.exe	powershell.exe
PID 1176 wrote to memory of 2600	1176	image002933894HF8474H038RHF7.exe	powershell.exe
PID 1176 wrote to memory of 3700	1176	image002933894HF8474H038RHF7.exe	powershell.exe
PID 1176 wrote to memory of 3700	1176	image002933894HF8474H038RHF7.exe	powershell.exe
PID 1176 wrote to memory of 3700	1176	image002933894HF8474H038RHF7.exe	powershell.exe
PID 1176 wrote to memory of 3724	1176	image002933894HF8474H038RHF7.exe	powershell.exe
PID 1176 wrote to memory of 3724	1176	image002933894HF8474H038RHF7.exe	powershell.exe
PID 1176 wrote to memory of 3724	1176	image002933894HF8474H038RHF7.exe	powershell.exe
PID 1176 wrote to memory of 196	1176	image002933894HF8474H038RHF7.exe	image002933894HF8474H038RHF7.exe
PID 1176 wrote to memory of 196	1176	image002933894HF8474H038RHF7.exe	image002933894HF8474H038RHF7.exe
PID 1176 wrote to memory of 196	1176	image002933894HF8474H038RHF7.exe	image002933894HF8474H038RHF7.exe
PID 1176 wrote to memory of 196	1176	image002933894HF8474H038RHF7.exe	image002933894HF8474H038RHF7.exe
PID 1176 wrote to memory of 196	1176	image002933894HF8474H038RHF7.exe	image002933894HF8474H038RHF7.exe
PID 1176 wrote to memory of 196	1176	image002933894HF8474H038RHF7.exe	image002933894HF8474H038RHF7.exe
PID 1176 wrote to memory of 196	1176	image002933894HF8474H038RHF7.exe	image002933894HF8474H038RHF7.exe
PID 1176 wrote to memory of 196	1176	image002933894HF8474H038RHF7.exe	image002933894HF8474H038RHF7.exe
PID 1176 wrote to memory of 196	1176	image002933894HF8474H038RHF7.exe	image002933894HF8474H038RHF7.exe
PID 1176 wrote to memory of 196	1176	image002933894HF8474H038RHF7.exe	image002933894HF8474H038RHF7.exe

C:\Users\Admin\AppData\Local\Temp\image002933894HF8474H038RHF7.exe
"C:\Users\Admin\AppData\Local\Temp\image002933894HF8474H038RHF7.exe"
1⤵
- Modifies WinLogon for persistence
- Drops startup file
- Windows security modification
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1176

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\image002933894HF8474H038RHF7.exe" -Force
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:388

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\image002933894HF8474H038RHF7.exe" -Force
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2600

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\image002933894HF8474H038RHF7.exe" -Force
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3700

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\image002933894HF8474H038RHF7.exe" -Force
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3724

C:\Users\Admin\AppData\Local\Temp\image002933894HF8474H038RHF7.exe
"C:\Users\Admin\AppData\Local\Temp\image002933894HF8474H038RHF7.exe"
2⤵
- Suspicious use of SetWindowsHookEx
PID:196

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

Winlogon Helper DLL

Privilege Escalation

Defense Evasion

Disabling Security Tools

Modify Registry

Web Service

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

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Downloads

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

MD5
1c19c16e21c97ed42d5beabc93391fc5

SHA1
8ad83f8e0b3acf8dfbbf87931e41f0d664c4df68

SHA256
1bcd97396c83babfe6c5068ba590d7a3f8b70e72955a9d1e4070648e404cbf05

SHA512
7d18776d8f649b3d29c182ff03efc6cea8b527542ee55304980f24577aae8b64e37044407776e220984346c3998ace5f8853afa58c8b38407482a728e9495e0c

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

MD5
bdf0bd2566f357fabdeb393df965f416

SHA1
217509a16579a42e17998ed37baa8ea442978e93

SHA256
97295ecd156f6c66497fad5d7d3ce5bb54ac64a4bf79bf23761e632283a4ab6a

SHA512
a34e953d824c964b972a198d80d8c96abfa6f75d949d6a94032327ada8acf501383a4abb572d058fb2f21178136f6ba7a8bfcf0d00d10cbf0523519365963705

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

MD5
48fec4d39cff7403de68e73074118e53

SHA1
54e1065609d8b46f4bd36ae26d18d866d1f2788f

SHA256
0d4b463cfd2336387e71194dcd55bc901bfb7525a1914b22e628c4617a72922a

SHA512
0ae5a6931b9c3400393893e22cfeba377a0b1148fcc80b240f54abfccb49f9e2d00b06b89ba879039e0cf772b5ea497a1fee54398a025ed5e6b7d0ed941cedf3

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

MD5
e038de7b6384bfb27d9b8d1840371f65

SHA1
2676649835ddb9247ab3c2db4eeb519f861d3d70

SHA256
e6748e9cd7a00f764d7a0bdaf141896efadc81b76557f3df3642167ff286401b

SHA512
333793b6233637ee1fe78cbe1082972a830d18c6b8abd3784e730a5610c9fc2ac8dd3904b7af5f5501414f26c0e2c6e3cb81c5e6f05c8a92e3e63eef51a7702d

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memory/196-52-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/196-54-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/196-53-0x0000000000413FA4-mapping.dmp

Download
memory/388-11-0x0000000073A70000-0x000000007415E000-memory.dmp

Filesize
6.9MB

Download
memory/388-8-0x0000000000000000-mapping.dmp

Download
memory/388-13-0x0000000004400000-0x0000000004401000-memory.dmp

Filesize
4KB

Download
memory/388-14-0x00000000070B0000-0x00000000070B1000-memory.dmp

Filesize
4KB

Download
memory/388-99-0x0000000009190000-0x0000000009191000-memory.dmp

Filesize
4KB

Download
memory/1176-3-0x0000000000980000-0x0000000000981000-memory.dmp

Filesize
4KB

Download
memory/1176-5-0x0000000005420000-0x0000000005421000-memory.dmp

Filesize
4KB

Download
memory/1176-6-0x0000000004EA0000-0x0000000004EFE000-memory.dmp

Filesize
376KB

Download
memory/1176-7-0x0000000006C50000-0x0000000006C51000-memory.dmp

Filesize
4KB

Download
memory/1176-2-0x0000000073A70000-0x000000007415E000-memory.dmp

Filesize
6.9MB

Download
memory/2600-81-0x00000000091F0000-0x00000000091F1000-memory.dmp

Filesize
4KB

Download
memory/2600-24-0x00000000073D0000-0x00000000073D1000-memory.dmp

Filesize
4KB

Download
memory/2600-40-0x0000000007B60000-0x0000000007B61000-memory.dmp

Filesize
4KB

Download
memory/2600-43-0x00000000081A0000-0x00000000081A1000-memory.dmp

Filesize
4KB

Download
memory/2600-48-0x0000000008440000-0x0000000008441000-memory.dmp

Filesize
4KB

Download
memory/2600-29-0x0000000007C70000-0x0000000007C71000-memory.dmp

Filesize
4KB

Download
memory/2600-9-0x0000000000000000-mapping.dmp

Download
memory/2600-28-0x0000000007C00000-0x0000000007C01000-memory.dmp

Filesize
4KB

Download
memory/2600-58-0x0000000009210000-0x0000000009243000-memory.dmp

Filesize
204KB

Download
memory/2600-27-0x0000000007B90000-0x0000000007B91000-memory.dmp

Filesize
4KB

Download
memory/2600-85-0x0000000009380000-0x0000000009381000-memory.dmp

Filesize
4KB

Download
memory/2600-15-0x0000000073A70000-0x000000007415E000-memory.dmp

Filesize
6.9MB

Download
memory/3700-10-0x0000000000000000-mapping.dmp

Download
memory/3700-106-0x0000000009AB0000-0x0000000009AB1000-memory.dmp

Filesize
4KB

Download
memory/3700-17-0x0000000073A70000-0x000000007415E000-memory.dmp

Filesize
6.9MB

Download
memory/3700-95-0x0000000009B10000-0x0000000009B11000-memory.dmp

Filesize
4KB

Download
memory/3724-20-0x0000000073A70000-0x000000007415E000-memory.dmp

Filesize
6.9MB

Download
memory/3724-12-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads