modiloader | aeee6a9e26b4d62ec9258b1b2d30aea108deefc6001c54fbb6704c1d72010eed

General

Target

Quotation.exe
Size

1.4MB
MD5

c5e1a421d9e99c5cae9400b9cd38a06b
SHA1

2c245784d3dee4e5a53432c46ba081e6f88a7b86
SHA256

aeee6a9e26b4d62ec9258b1b2d30aea108deefc6001c54fbb6704c1d72010eed
SHA512

cebdd6b10a4faf7c6d98b47020031de90faf50881c6be290bb0d9fe4bd939c091537b7d74a73efd5461a342550f58ebda3565c73f1b78bc7c94a1121050caeec
SSDEEP

24576:H17iEW02Eq8SzySmi5c3QBLeAVvu+lsVGXZuuuwxqEBQ:HJimicARtVvu+GVMZuMxqEB

Score

10^/10

modiloader remcos remotehost persistence rat trojan

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

127.0.0.1:47212

officerem.duckdns.org:47212

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
Rmc-I8N3XG
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
take_screenshot_option
false
take_screenshot_time
5

Signatures

ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
trojan modiloader
Remcos
Remcos is a closed-source remote control and surveillance software.
rat remcos

ModiLoader Second Stage 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4968-2-0x0000000004140000-0x0000000005140000-memory.dmp	modiloader_stage2

Executes dropped EXE 1 IoCs

Processes:

easinvoker.exe

pid process

3944 easinvoker.exe
Loads dropped DLL 1 IoCs

Processes:

easinvoker.exe

pid process

3944 easinvoker.exe

pid	process
3944	easinvoker.exe

pid	process
3944	easinvoker.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

Quotation.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-609813121-2907144057-1731107329-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Fkmbyyso = "C:\\Users\\Public\\Fkmbyyso.url"	Quotation.exe

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

xcopy.exexcopy.exexcopy.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	xcopy.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	xcopy.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	xcopy.exe

Script User-Agent 2 IoCs

Uses user-agent string associated with script host/environment.

Processes:

description	flow	ioc
HTTP User-Agent header	17	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	21	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

powershell.exe

pid process

3128 powershell.exe
3128 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 3128 powershell.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Quotation.exe

pid process

4968 Quotation.exe

pid	process
3128	powershell.exe
3128	powershell.exe

description	pid	process
Token: SeDebugPrivilege	3128	powershell.exe

pid	process
4968	Quotation.exe

Suspicious use of WriteProcessMemory 32 IoCs

Processes:

Quotation.execmd.exeeasinvoker.execmd.execmd.exe

description	pid	process	target process
PID 4968 wrote to memory of 924	4968	Quotation.exe	cmd.exe
PID 4968 wrote to memory of 924	4968	Quotation.exe	cmd.exe
PID 4968 wrote to memory of 924	4968	Quotation.exe	cmd.exe
PID 924 wrote to memory of 1156	924	cmd.exe	cmd.exe
PID 924 wrote to memory of 1156	924	cmd.exe	cmd.exe
PID 924 wrote to memory of 1156	924	cmd.exe	cmd.exe
PID 924 wrote to memory of 3744	924	cmd.exe	xcopy.exe
PID 924 wrote to memory of 3744	924	cmd.exe	xcopy.exe
PID 924 wrote to memory of 3744	924	cmd.exe	xcopy.exe
PID 924 wrote to memory of 448	924	cmd.exe	cmd.exe
PID 924 wrote to memory of 448	924	cmd.exe	cmd.exe
PID 924 wrote to memory of 448	924	cmd.exe	cmd.exe
PID 924 wrote to memory of 4088	924	cmd.exe	xcopy.exe
PID 924 wrote to memory of 4088	924	cmd.exe	xcopy.exe
PID 924 wrote to memory of 4088	924	cmd.exe	xcopy.exe
PID 924 wrote to memory of 64	924	cmd.exe	cmd.exe
PID 924 wrote to memory of 64	924	cmd.exe	cmd.exe
PID 924 wrote to memory of 64	924	cmd.exe	cmd.exe
PID 924 wrote to memory of 4192	924	cmd.exe	xcopy.exe
PID 924 wrote to memory of 4192	924	cmd.exe	xcopy.exe
PID 924 wrote to memory of 4192	924	cmd.exe	xcopy.exe
PID 924 wrote to memory of 3944	924	cmd.exe	easinvoker.exe
PID 924 wrote to memory of 3944	924	cmd.exe	easinvoker.exe
PID 3944 wrote to memory of 3704	3944	easinvoker.exe	cmd.exe
PID 3944 wrote to memory of 3704	3944	easinvoker.exe	cmd.exe
PID 3704 wrote to memory of 4320	3704	cmd.exe	cmd.exe
PID 3704 wrote to memory of 4320	3704	cmd.exe	cmd.exe
PID 4320 wrote to memory of 3128	4320	cmd.exe	powershell.exe
PID 4320 wrote to memory of 3128	4320	cmd.exe	powershell.exe
PID 4968 wrote to memory of 5104	4968	Quotation.exe	extrac32.exe
PID 4968 wrote to memory of 5104	4968	Quotation.exe	extrac32.exe
PID 4968 wrote to memory of 5104	4968	Quotation.exe	extrac32.exe

C:\Users\Admin\AppData\Local\Temp\Quotation.exe
"C:\Users\Admin\AppData\Local\Temp\Quotation.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4968

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Public\Libraries\FkmbyysoO.bat" "
2⤵
- Suspicious use of WriteProcessMemory
PID:924

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /S /D /c" ECHO F"
3⤵
PID:1156

C:\Windows\SysWOW64\xcopy.exe
xcopy "easinvoker.exe" "C:\Windows \System32\" /K /D /H /Y
3⤵
- Enumerates system info in registry
PID:3744

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /S /D /c" ECHO F"
3⤵
PID:448

C:\Windows\SysWOW64\xcopy.exe
xcopy "Aaa.bat" "C:\Windows \System32\" /K /D /H /Y
3⤵
- Enumerates system info in registry
PID:4088

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /S /D /c" ECHO F"
3⤵
PID:64

C:\Windows\SysWOW64\xcopy.exe
xcopy "netutils.dll" "C:\Windows \System32\" /K /D /H /Y
3⤵
- Enumerates system info in registry
PID:4192

C:\Windows \System32\easinvoker.exe
"C:\Windows \System32\easinvoker.exe"
3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3944

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\windows \system32\aaa.bat""
4⤵
- Suspicious use of WriteProcessMemory
PID:3704

C:\Windows\system32\cmd.exe
cmd /c powershell.exe -inputformat none -outputformat none -NonInteractive -Command "Add-MpPreference -ExclusionPath 'C:\Users'"
5⤵
- Suspicious use of WriteProcessMemory
PID:4320

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -inputformat none -outputformat none -NonInteractive -Command "Add-MpPreference -ExclusionPath 'C:\Users'"
6⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3128

C:\Windows\SysWOW64\extrac32.exe
C:\\Windows\\System32\\extrac32.exe /C /Y C:\Users\Admin\AppData\Local\Temp\Quotation.exe C:\\Users\\Public\\Libraries\\Fkmbyyso.PIF
2⤵
PID:5104

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\remcos\logs.dat

Filesize
144B

MD5
51ee5cdebd3df9844eb6a91a8cb8eeb3

SHA1
c03e979d4b3616d0b3a27ec2454ec5114f7ed143

SHA256
c21eb89008eff7b5a74de8f1f06bb2deb24a48f5c7071ebcb36692b5eef25655

SHA512
d23a552eae2792751d08b79eb04ab98e414ed7c77486e7a54701cd679000c8e26d65b09034c69e9e6dcaeb1636ab6a5c4b4bced03558f8c8a37ad0a28afebe2f

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_zc3igslv.lvi.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Public\Libraries\FkmbyysoO.bat

Filesize
29KB

MD5
828ffbf60677999579dafe4bf3919c63

SHA1
a0d159a1b9a49e9eaccc53fe0c3266c0526a1bdc

SHA256
abac4a967800f5da708572ec42441ec373cd52459a83a8a382d6b8579482789d

SHA512
bf00909e24c5a6fb2346e8457a9adacd5f1b35988d90abbde9ff26896bbb59edafea60d9db4d10182a7b5e129bb69585d3e20bc5c63af3517b3a7ef1e45ffb7e

Download Submit
C:\Users\Public\Libraries\aaa.bat

Filesize
18KB

MD5
f4e8f0ec6cfc5c6039402322685cb6ce

SHA1
1037835573c2886dda05d256f15306da89dc645e

SHA256
cd05094e213643d624996b98e14aa5f7a2363f63530fe0c99523f6948effe756

SHA512
c5f9dfbbdb437c8ef9e2dd53fcbafcb256ab4626b4637a21332b3112c20f0d5353674031aae21b57604ba80d3b3f51f11b0ed412ed5fa6641b32fc4793746e02

Download Submit
C:\Users\Public\Libraries\easinvoker.exe

Filesize
128KB

MD5
231ce1e1d7d98b44371ffff407d68b59

SHA1
25510d0f6353dbf0c9f72fc880de7585e34b28ff

SHA256
30951db8bfc21640645aa9144cfeaa294bb7c6980ef236d28552b6f4f3f92a96

SHA512
520887b01bda96b7c4f91b9330a5c03a12f7c7f266d4359432e7bacc76b0eef377c05a4361f8fa80ad0b94b5865699d747a5d94a2d3dcdb85dabf5887bb6c612

Download Submit
C:\Users\Public\Libraries\netutils.dll

Filesize
112KB

MD5
30468939b69d5b1f29494fff5b161e6b

SHA1
3f900a76e5a00efd97c618c8cdaa55e66384618f

SHA256
7c6b2128913876dcb70603f2c00618d2e9057f381766565baf2a37100b85f1fd

SHA512
f59fc26b77b28bc0dce41f2542c95a0fcb32204cc2d840d7cf8e74e10fbfc238f0c360e3bb5d787f32c83668ad10bbe522e098ede52f178dd8555c7af530f27f

Download Submit
memory/3128-39-0x0000029506920000-0x0000029506930000-memory.dmp

Filesize
64KB

Download
memory/3128-42-0x00007FF841410000-0x00007FF841ED1000-memory.dmp

Filesize
10.8MB

Download
memory/3128-27-0x00007FF841410000-0x00007FF841ED1000-memory.dmp

Filesize
10.8MB

Download
memory/3128-26-0x0000029506930000-0x0000029506952000-memory.dmp

Filesize
136KB

Download
memory/3128-28-0x0000029506920000-0x0000029506930000-memory.dmp

Filesize
64KB

Download
memory/3128-34-0x0000029506920000-0x0000029506930000-memory.dmp

Filesize
64KB

Download
memory/3944-24-0x00000000613C0000-0x00000000613E3000-memory.dmp

Filesize
140KB

Download
memory/4968-44-0x0000000000770000-0x0000000000771000-memory.dmp

Filesize
4KB

Download
memory/4968-60-0x0000000016680000-0x0000000017680000-memory.dmp

Filesize
16.0MB

Download
memory/4968-2-0x0000000004140000-0x0000000005140000-memory.dmp

Filesize
16.0MB

Download
memory/4968-0-0x0000000000770000-0x0000000000771000-memory.dmp

Filesize
4KB

Download
memory/4968-50-0x0000000016680000-0x0000000017680000-memory.dmp

Filesize
16.0MB

Download
memory/4968-52-0x0000000016680000-0x0000000017680000-memory.dmp

Filesize
16.0MB

Download
memory/4968-53-0x0000000016680000-0x0000000017680000-memory.dmp

Filesize
16.0MB

Download
memory/4968-54-0x0000000016680000-0x0000000017680000-memory.dmp

Filesize
16.0MB

Download
memory/4968-55-0x0000000016680000-0x0000000017680000-memory.dmp

Filesize
16.0MB

Download
memory/4968-56-0x0000000016680000-0x0000000017680000-memory.dmp

Filesize
16.0MB

Download
memory/4968-59-0x0000000016680000-0x0000000017680000-memory.dmp

Filesize
16.0MB

Download
memory/4968-4-0x0000000000400000-0x0000000000573000-memory.dmp

Filesize
1.4MB

Download
memory/4968-61-0x0000000016680000-0x0000000017680000-memory.dmp

Filesize
16.0MB

Download
memory/4968-1-0x0000000004140000-0x0000000005140000-memory.dmp

Filesize
16.0MB

Download
memory/4968-71-0x0000000016680000-0x0000000017680000-memory.dmp

Filesize
16.0MB

Download
memory/4968-72-0x0000000016680000-0x0000000017680000-memory.dmp

Filesize
16.0MB

Download
memory/4968-82-0x0000000016680000-0x0000000017680000-memory.dmp

Filesize
16.0MB

Download
memory/4968-83-0x0000000016680000-0x0000000017680000-memory.dmp

Filesize
16.0MB

Download
memory/4968-93-0x0000000016680000-0x0000000017680000-memory.dmp

Filesize
16.0MB

Download
memory/4968-94-0x0000000016680000-0x0000000017680000-memory.dmp

Filesize
16.0MB

Download
memory/4968-104-0x0000000016680000-0x0000000017680000-memory.dmp

Filesize
16.0MB

Download
memory/4968-105-0x0000000016680000-0x0000000017680000-memory.dmp

Filesize
16.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads