modiloader | b9c144592964694742c93d09a6db9194a58cfed85c9a81f00b5ae2d14ac5c87d

General

Target

b9c144592964694742c93d09a6db9194a58cfed85c9a81f00b5ae2d14ac5c87d.exe
Size

888KB
MD5

cf659feea0c1c9e0a1705e076b831f48
SHA1

4e79ae9003d92a10d09fdb231512ca914c60a7c7
SHA256

b9c144592964694742c93d09a6db9194a58cfed85c9a81f00b5ae2d14ac5c87d
SHA512

6ebf5d751d94772def751a6085e233e8cadb0c4c29193be247d0b11c977370ae82a2d5190bae463b0de60cbe8bf0c2c7a4b0dd84f9c2fd142e7ededc42afdfc4
SSDEEP

12288:oXxu5oy0XhL9ljnp9zIO6S33Ys1fCjPfeCMVAgfMCf3e9:ohAcXhL9lV9cHSY2ZCMVAgfM

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

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

Processes:

resource	yara_rule
behavioral2/memory/4100-40-0x0000000000C00000-0x0000000001C00000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral2/memory/4100-42-0x0000000000C00000-0x0000000001C00000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral2/memory/4100-43-0x0000000000C00000-0x0000000001C00000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral2/memory/4100-44-0x0000000000C00000-0x0000000001C00000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral2/memory/4100-45-0x0000000000C00000-0x0000000001C00000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral2/memory/4100-46-0x0000000000C00000-0x0000000001C00000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral2/memory/4100-47-0x0000000000C00000-0x0000000001C00000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral2/memory/4100-48-0x0000000000C00000-0x0000000001C00000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral2/memory/4100-49-0x0000000000C00000-0x0000000001C00000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral2/memory/4100-52-0x0000000000C00000-0x0000000001C00000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral2/memory/4100-55-0x0000000000C00000-0x0000000001C00000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral2/memory/4100-56-0x0000000000C00000-0x0000000001C00000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral2/memory/4100-63-0x0000000000C00000-0x0000000001C00000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral2/memory/4100-64-0x0000000000C00000-0x0000000001C00000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral2/memory/4100-71-0x0000000000C00000-0x0000000001C00000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral2/memory/4100-72-0x0000000000C00000-0x0000000001C00000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral2/memory/4100-79-0x0000000000C00000-0x0000000001C00000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral2/memory/4100-80-0x0000000000C00000-0x0000000001C00000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM

ModiLoader Second Stage 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4700-2-0x00000000028D0000-0x00000000038D0000-memory.dmp	modiloader_stage2

Executes dropped EXE 1 IoCs

Processes:

8150904.exe

pid process

3616 8150904.exe
Loads dropped DLL 1 IoCs

Processes:

8150904.exe

pid process

3616 8150904.exe

pid	process
3616	8150904.exe

pid	process
3616	8150904.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

b9c144592964694742c93d09a6db9194a58cfed85c9a81f00b5ae2d14ac5c87d.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Hmbaewme = "C:\\Users\\Public\\Hmbaewme.url"	b9c144592964694742c93d09a6db9194a58cfed85c9a81f00b5ae2d14ac5c87d.exe

Script User-Agent 1 IoCs
Uses user-agent string associated with script host/environment.

Processes:

description flow ioc

HTTP User-Agent header 47 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

powershell.exe

pid process

1212 powershell.exe
1212 powershell.exe
1212 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 1212 powershell.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

colorcpl.exe

pid process

4100 colorcpl.exe

description	flow	ioc
HTTP User-Agent header	47	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

pid	process
1212	powershell.exe
1212	powershell.exe
1212	powershell.exe

description	pid	process
Token: SeDebugPrivilege	1212	powershell.exe

pid	process
4100	colorcpl.exe

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

b9c144592964694742c93d09a6db9194a58cfed85c9a81f00b5ae2d14ac5c87d.execmd.exe8150904.execmd.execmd.exe

description	pid	process	target process
PID 4700 wrote to memory of 4148	4700	b9c144592964694742c93d09a6db9194a58cfed85c9a81f00b5ae2d14ac5c87d.exe	cmd.exe
PID 4700 wrote to memory of 4148	4700	b9c144592964694742c93d09a6db9194a58cfed85c9a81f00b5ae2d14ac5c87d.exe	cmd.exe
PID 4700 wrote to memory of 4148	4700	b9c144592964694742c93d09a6db9194a58cfed85c9a81f00b5ae2d14ac5c87d.exe	cmd.exe
PID 4700 wrote to memory of 364	4700	b9c144592964694742c93d09a6db9194a58cfed85c9a81f00b5ae2d14ac5c87d.exe	cmd.exe
PID 4700 wrote to memory of 364	4700	b9c144592964694742c93d09a6db9194a58cfed85c9a81f00b5ae2d14ac5c87d.exe	cmd.exe
PID 4700 wrote to memory of 364	4700	b9c144592964694742c93d09a6db9194a58cfed85c9a81f00b5ae2d14ac5c87d.exe	cmd.exe
PID 4700 wrote to memory of 4232	4700	b9c144592964694742c93d09a6db9194a58cfed85c9a81f00b5ae2d14ac5c87d.exe	cmd.exe
PID 4700 wrote to memory of 4232	4700	b9c144592964694742c93d09a6db9194a58cfed85c9a81f00b5ae2d14ac5c87d.exe	cmd.exe
PID 4700 wrote to memory of 4232	4700	b9c144592964694742c93d09a6db9194a58cfed85c9a81f00b5ae2d14ac5c87d.exe	cmd.exe
PID 4232 wrote to memory of 3616	4232	cmd.exe	8150904.exe
PID 4232 wrote to memory of 3616	4232	cmd.exe	8150904.exe
PID 3616 wrote to memory of 2912	3616	8150904.exe	cmd.exe
PID 3616 wrote to memory of 2912	3616	8150904.exe	cmd.exe
PID 2912 wrote to memory of 2688	2912	cmd.exe	cmd.exe
PID 2912 wrote to memory of 2688	2912	cmd.exe	cmd.exe
PID 2688 wrote to memory of 1212	2688	cmd.exe	powershell.exe
PID 2688 wrote to memory of 1212	2688	cmd.exe	powershell.exe
PID 4700 wrote to memory of 3960	4700	b9c144592964694742c93d09a6db9194a58cfed85c9a81f00b5ae2d14ac5c87d.exe	extrac32.exe
PID 4700 wrote to memory of 3960	4700	b9c144592964694742c93d09a6db9194a58cfed85c9a81f00b5ae2d14ac5c87d.exe	extrac32.exe
PID 4700 wrote to memory of 3960	4700	b9c144592964694742c93d09a6db9194a58cfed85c9a81f00b5ae2d14ac5c87d.exe	extrac32.exe
PID 4700 wrote to memory of 4100	4700	b9c144592964694742c93d09a6db9194a58cfed85c9a81f00b5ae2d14ac5c87d.exe	colorcpl.exe
PID 4700 wrote to memory of 4100	4700	b9c144592964694742c93d09a6db9194a58cfed85c9a81f00b5ae2d14ac5c87d.exe	colorcpl.exe
PID 4700 wrote to memory of 4100	4700	b9c144592964694742c93d09a6db9194a58cfed85c9a81f00b5ae2d14ac5c87d.exe	colorcpl.exe
PID 4700 wrote to memory of 4100	4700	b9c144592964694742c93d09a6db9194a58cfed85c9a81f00b5ae2d14ac5c87d.exe	colorcpl.exe

C:\Users\Admin\AppData\Local\Temp\b9c144592964694742c93d09a6db9194a58cfed85c9a81f00b5ae2d14ac5c87d.exe
"C:\Users\Admin\AppData\Local\Temp\b9c144592964694742c93d09a6db9194a58cfed85c9a81f00b5ae2d14ac5c87d.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4700

C:\Windows\SysWOW64\cmd.exe
cmd /c mkdir "\\?\C:\Windows "
2⤵
PID:4148

C:\Windows\SysWOW64\cmd.exe
cmd /c mkdir "\\?\C:\Windows \System32"
2⤵
PID:364

C:\Windows\SysWOW64\cmd.exe
cmd /c "C:\Windows \System32\8150904.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:4232

C:\Windows \System32\8150904.exe
"C:\Windows \System32\8150904.exe"
3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3616

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\windows \system32\KDECO.bat""
4⤵
- Suspicious use of WriteProcessMemory
PID:2912

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:2688

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:1212

C:\Windows\SysWOW64\extrac32.exe
C:\\Windows\\System32\\extrac32.exe /C /Y C:\Users\Admin\AppData\Local\Temp\b9c144592964694742c93d09a6db9194a58cfed85c9a81f00b5ae2d14ac5c87d.exe C:\\Users\\Public\\Libraries\\Hmbaewme.PIF
2⤵
PID:3960

C:\Windows\SysWOW64\colorcpl.exe
C:\Windows\System32\colorcpl.exe
2⤵
- Suspicious use of SetWindowsHookEx
PID:4100

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\remcos\logs.dat

Filesize
144B

MD5
f70b4b263fe0779f065cdf08708245ff

SHA1
228fb48feeaa4e8149576dce37f6376d6217ce6e

SHA256
6e47c7b883c15585f3c055d9d0a89168ad491b743171e8885d9d69f00d4655a4

SHA512
17e2318a822eaa66bd9faf5689031d6f44c960fdb69aafc09e8565214fb7e676809b676dffb7d857ed76eea3b22b7b95dc736739e63e757c9a79f5d7529ffc6f

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_5gxfisop.o4c.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Windows \System32\8150904.exe

Filesize
128KB

MD5
231ce1e1d7d98b44371ffff407d68b59

SHA1
25510d0f6353dbf0c9f72fc880de7585e34b28ff

SHA256
30951db8bfc21640645aa9144cfeaa294bb7c6980ef236d28552b6f4f3f92a96

SHA512
520887b01bda96b7c4f91b9330a5c03a12f7c7f266d4359432e7bacc76b0eef377c05a4361f8fa80ad0b94b5865699d747a5d94a2d3dcdb85dabf5887bb6c612

Download Submit
C:\Windows \System32\netutils.dll

Filesize
112KB

MD5
fa7aa88417d0c48807144a1a48fe3fbc

SHA1
6f5ec990b12d4a6075050a94e0d68d03781fa46d

SHA256
2019dcd18ba7d5554a4a9da882740aa883941670af3de9396960081a0f8aa098

SHA512
99b2eb6f8e7d00a3803cba229149e5e0cb67a3deb607782c55fbacd25d9c074cce83759de15490eff939d5ad98f26cdbd44395cc79ffe22753e16c3d9e3b5fff

Download Submit
C:\windows \system32\KDECO.bat

Filesize
11KB

MD5
c545650595b479c81ad6b9d8882aae39

SHA1
7a98aa2e6eee23b3c1bba876955d525bc618b3f0

SHA256
a3a80983cb33159f0455fa0135789402558baa1460db94d0071318512b8cb5f9

SHA512
85ac596a7da9072a28c4178e4fdedc98f1b49c8e3fe5612cfe464833297b13f65d2dc59b52d7fc9970cff8f98d954111229aec0ed9dded454e03b0cf4ebb6ff3

Download Submit
memory/1212-28-0x0000013A69470000-0x0000013A69480000-memory.dmp

Filesize
64KB

Download
memory/1212-32-0x00007FFF17520000-0x00007FFF17FE1000-memory.dmp

Filesize
10.8MB

Download
memory/1212-29-0x0000013A69470000-0x0000013A69480000-memory.dmp

Filesize
64KB

Download
memory/1212-17-0x0000013A69D30000-0x0000013A69D52000-memory.dmp

Filesize
136KB

Download
memory/1212-27-0x00007FFF17520000-0x00007FFF17FE1000-memory.dmp

Filesize
10.8MB

Download
memory/3616-15-0x00000000613C0000-0x00000000613E3000-memory.dmp

Filesize
140KB

Download
memory/4100-43-0x0000000000C00000-0x0000000001C00000-memory.dmp

Filesize
16.0MB

Download
memory/4100-49-0x0000000000C00000-0x0000000001C00000-memory.dmp

Filesize
16.0MB

Download
memory/4100-80-0x0000000000C00000-0x0000000001C00000-memory.dmp

Filesize
16.0MB

Download
memory/4100-40-0x0000000000C00000-0x0000000001C00000-memory.dmp

Filesize
16.0MB

Download
memory/4100-42-0x0000000000C00000-0x0000000001C00000-memory.dmp

Filesize
16.0MB

Download
memory/4100-79-0x0000000000C00000-0x0000000001C00000-memory.dmp

Filesize
16.0MB

Download
memory/4100-44-0x0000000000C00000-0x0000000001C00000-memory.dmp

Filesize
16.0MB

Download
memory/4100-45-0x0000000000C00000-0x0000000001C00000-memory.dmp

Filesize
16.0MB

Download
memory/4100-46-0x0000000000C00000-0x0000000001C00000-memory.dmp

Filesize
16.0MB

Download
memory/4100-47-0x0000000000C00000-0x0000000001C00000-memory.dmp

Filesize
16.0MB

Download
memory/4100-48-0x0000000000C00000-0x0000000001C00000-memory.dmp

Filesize
16.0MB

Download
memory/4100-72-0x0000000000C00000-0x0000000001C00000-memory.dmp

Filesize
16.0MB

Download
memory/4100-52-0x0000000000C00000-0x0000000001C00000-memory.dmp

Filesize
16.0MB

Download
memory/4100-55-0x0000000000C00000-0x0000000001C00000-memory.dmp

Filesize
16.0MB

Download
memory/4100-56-0x0000000000C00000-0x0000000001C00000-memory.dmp

Filesize
16.0MB

Download
memory/4100-71-0x0000000000C00000-0x0000000001C00000-memory.dmp

Filesize
16.0MB

Download
memory/4100-63-0x0000000000C00000-0x0000000001C00000-memory.dmp

Filesize
16.0MB

Download
memory/4100-64-0x0000000000C00000-0x0000000001C00000-memory.dmp

Filesize
16.0MB

Download
memory/4700-1-0x00000000028D0000-0x00000000038D0000-memory.dmp

Filesize
16.0MB

Download
memory/4700-4-0x0000000000400000-0x00000000004E8000-memory.dmp

Filesize
928KB

Download
memory/4700-0-0x00000000009E0000-0x00000000009E1000-memory.dmp

Filesize
4KB

Download
memory/4700-2-0x00000000028D0000-0x00000000038D0000-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