modiloader | adb32d26a19fa865d1cbca27c886d8a497140db449813eee08e26c8a30b0f71d

General

Target

adb32d26a19fa865d1cbca27c886d8a497140db449813eee08e26c8a30b0f71d.exe
Size

1.1MB
MD5

796760cabed4c643ed34db0d822178bc
SHA1

56c25e1bb87fc846df47a5c2e600505005ba45c5
SHA256

adb32d26a19fa865d1cbca27c886d8a497140db449813eee08e26c8a30b0f71d
SHA512

94fe964e6b539ef90337d14bbb335c076c244c0719fbd1dc7ba611b1456ba3327832f1792f67b971aaaf0530eaa99309e93b53170465cb0c00d67e8557126cf3
SSDEEP

24576:0JIq+wADGZYx4t/yVrQ9JO85sfip46OV/b7Dnjv:eNAXCSfs8V/b7bjv

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) 17 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1804-55-0x0000000016530000-0x0000000017530000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral2/memory/1804-57-0x0000000016530000-0x0000000017530000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral2/memory/1804-58-0x0000000016530000-0x0000000017530000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral2/memory/1804-59-0x0000000016530000-0x0000000017530000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral2/memory/1804-60-0x0000000016530000-0x0000000017530000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral2/memory/1804-61-0x0000000016530000-0x0000000017530000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral2/memory/1804-63-0x0000000016530000-0x0000000017530000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral2/memory/1804-64-0x0000000016530000-0x0000000017530000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral2/memory/1804-68-0x0000000016530000-0x0000000017530000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral2/memory/1804-69-0x0000000016530000-0x0000000017530000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral2/memory/1804-70-0x0000000016530000-0x0000000017530000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral2/memory/1804-80-0x0000000016530000-0x0000000017530000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral2/memory/1804-81-0x0000000016530000-0x0000000017530000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral2/memory/1804-91-0x0000000016530000-0x0000000017530000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral2/memory/1804-92-0x0000000016530000-0x0000000017530000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral2/memory/1804-102-0x0000000016530000-0x0000000017530000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral2/memory/1804-103-0x0000000016530000-0x0000000017530000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM

ModiLoader Second Stage 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1804-2-0x0000000003F10000-0x0000000004F10000-memory.dmp	modiloader_stage2

Executes dropped EXE 2 IoCs

Processes:

easinvoker.exealpha.exe

pid process

4108 easinvoker.exe
3636 alpha.exe
Loads dropped DLL 1 IoCs

Processes:

easinvoker.exe

pid process

4108 easinvoker.exe

pid	process
4108	easinvoker.exe
3636	alpha.exe

pid	process
4108	easinvoker.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

adb32d26a19fa865d1cbca27c886d8a497140db449813eee08e26c8a30b0f71d.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Ejtitysq = "C:\\Users\\Public\\Ejtitysq.url"	adb32d26a19fa865d1cbca27c886d8a497140db449813eee08e26c8a30b0f71d.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 1 IoCs
Uses user-agent string associated with script host/environment.

Processes:

description flow ioc

HTTP User-Agent header 16 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

powershell.exe

pid process

4332 powershell.exe
4332 powershell.exe
4332 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 4332 powershell.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

adb32d26a19fa865d1cbca27c886d8a497140db449813eee08e26c8a30b0f71d.exe

pid process

1804 adb32d26a19fa865d1cbca27c886d8a497140db449813eee08e26c8a30b0f71d.exe

description	flow	ioc
HTTP User-Agent header	16	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

pid	process
4332	powershell.exe
4332	powershell.exe
4332	powershell.exe

description	pid	process
Token: SeDebugPrivilege	4332	powershell.exe

pid	process
1804	adb32d26a19fa865d1cbca27c886d8a497140db449813eee08e26c8a30b0f71d.exe

Suspicious use of WriteProcessMemory 34 IoCs

Processes:

adb32d26a19fa865d1cbca27c886d8a497140db449813eee08e26c8a30b0f71d.execmd.exeeasinvoker.execmd.exealpha.exe

description	pid	process	target process
PID 1804 wrote to memory of 436	1804	adb32d26a19fa865d1cbca27c886d8a497140db449813eee08e26c8a30b0f71d.exe	cmd.exe
PID 1804 wrote to memory of 436	1804	adb32d26a19fa865d1cbca27c886d8a497140db449813eee08e26c8a30b0f71d.exe	cmd.exe
PID 1804 wrote to memory of 436	1804	adb32d26a19fa865d1cbca27c886d8a497140db449813eee08e26c8a30b0f71d.exe	cmd.exe
PID 436 wrote to memory of 1988	436	cmd.exe	cmd.exe
PID 436 wrote to memory of 1988	436	cmd.exe	cmd.exe
PID 436 wrote to memory of 1988	436	cmd.exe	cmd.exe
PID 436 wrote to memory of 640	436	cmd.exe	xcopy.exe
PID 436 wrote to memory of 640	436	cmd.exe	xcopy.exe
PID 436 wrote to memory of 640	436	cmd.exe	xcopy.exe
PID 436 wrote to memory of 2024	436	cmd.exe	cmd.exe
PID 436 wrote to memory of 2024	436	cmd.exe	cmd.exe
PID 436 wrote to memory of 2024	436	cmd.exe	cmd.exe
PID 436 wrote to memory of 4584	436	cmd.exe	xcopy.exe
PID 436 wrote to memory of 4584	436	cmd.exe	xcopy.exe
PID 436 wrote to memory of 4584	436	cmd.exe	xcopy.exe
PID 436 wrote to memory of 4756	436	cmd.exe	cmd.exe
PID 436 wrote to memory of 4756	436	cmd.exe	cmd.exe
PID 436 wrote to memory of 4756	436	cmd.exe	cmd.exe
PID 436 wrote to memory of 3604	436	cmd.exe	xcopy.exe
PID 436 wrote to memory of 3604	436	cmd.exe	xcopy.exe
PID 436 wrote to memory of 3604	436	cmd.exe	xcopy.exe
PID 436 wrote to memory of 4108	436	cmd.exe	easinvoker.exe
PID 436 wrote to memory of 4108	436	cmd.exe	easinvoker.exe
PID 4108 wrote to memory of 964	4108	easinvoker.exe	cmd.exe
PID 4108 wrote to memory of 964	4108	easinvoker.exe	cmd.exe
PID 964 wrote to memory of 500	964	cmd.exe	extrac32.exe
PID 964 wrote to memory of 500	964	cmd.exe	extrac32.exe
PID 964 wrote to memory of 3636	964	cmd.exe	alpha.exe
PID 964 wrote to memory of 3636	964	cmd.exe	alpha.exe
PID 3636 wrote to memory of 4332	3636	alpha.exe	powershell.exe
PID 3636 wrote to memory of 4332	3636	alpha.exe	powershell.exe
PID 1804 wrote to memory of 3228	1804	adb32d26a19fa865d1cbca27c886d8a497140db449813eee08e26c8a30b0f71d.exe	extrac32.exe
PID 1804 wrote to memory of 3228	1804	adb32d26a19fa865d1cbca27c886d8a497140db449813eee08e26c8a30b0f71d.exe	extrac32.exe
PID 1804 wrote to memory of 3228	1804	adb32d26a19fa865d1cbca27c886d8a497140db449813eee08e26c8a30b0f71d.exe	extrac32.exe

C:\Users\Admin\AppData\Local\Temp\adb32d26a19fa865d1cbca27c886d8a497140db449813eee08e26c8a30b0f71d.exe
"C:\Users\Admin\AppData\Local\Temp\adb32d26a19fa865d1cbca27c886d8a497140db449813eee08e26c8a30b0f71d.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1804

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Public\Libraries\EjtitysqO.bat" "
2⤵
- Suspicious use of WriteProcessMemory
PID:436

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /S /D /c" ECHO F"
3⤵
PID:1988

C:\Windows\SysWOW64\xcopy.exe
xcopy "easinvoker.exe" "C:\Windows \System32\" /K /D /H /Y
3⤵
- Enumerates system info in registry
PID:640

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /S /D /c" ECHO F"
3⤵
PID:2024

C:\Windows\SysWOW64\xcopy.exe
xcopy "Aaa.bat" "C:\Windows \System32\" /K /D /H /Y
3⤵
- Enumerates system info in registry
PID:4584

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /S /D /c" ECHO F"
3⤵
PID:4756

C:\Windows\SysWOW64\xcopy.exe
xcopy "netutils.dll" "C:\Windows \System32\" /K /D /H /Y
3⤵
- Enumerates system info in registry
PID:3604

C:\Windows \System32\easinvoker.exe
"C:\Windows \System32\easinvoker.exe"
3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:4108

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\windows \system32\aaa.bat""
4⤵
- Suspicious use of WriteProcessMemory
PID:964

C:\Windows\System32\extrac32.exe
C:\\Windows\\System32\\extrac32.exe /C /Y C:\\Windows\\System32\\cmd.exe C:\\Users\\Public\\alpha.exe
5⤵
PID:500

C:\Users\Public\alpha.exe
C:\\Users\\Public\\alpha /c powershell.exe -inputformat none -outputformat none -NonInteractive -Command "Add-MpPreference -ExclusionPath 'C:\Users'"
5⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3636

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:4332

C:\Windows\SysWOW64\extrac32.exe
C:\\Windows\\System32\\extrac32.exe /C /Y C:\Users\Admin\AppData\Local\Temp\adb32d26a19fa865d1cbca27c886d8a497140db449813eee08e26c8a30b0f71d.exe C:\\Users\\Public\\Libraries\\Ejtitysq.PIF
2⤵
PID:3228

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3948 --field-trial-handle=2280,i,11703952675008463361,17436195144517971517,262144 --variations-seed-version /prefetch:8
1⤵
PID:748

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

Loading Replay Monitor...

Downloads

C:\ProgramData\remcos\logs.dat
Filesize
144B

MD5
75bab652484dbf50829e7032106d92f0

SHA1
a7805c5928c28eed222adaa7bcd5352e2a7b3877

SHA256
eb7af3deaa7cef1ef524c5046e7a6d6ce0af44cae075f020fe9dfe07c090dee7

SHA512
496f4af798085d357049255f92e7c863007d205e770763f5163bab0aad9a6e3180d69470d042ad784f9f0c3e9b2c593b2d7b0b138b10634c8a125c1560dfb400

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_x0fpt4h0.poj.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Public\Libraries\EjtitysqO.bat
Filesize
29KB

MD5
828ffbf60677999579dafe4bf3919c63

SHA1
a0d159a1b9a49e9eaccc53fe0c3266c0526a1bdc

SHA256
abac4a967800f5da708572ec42441ec373cd52459a83a8a382d6b8579482789d

SHA512
bf00909e24c5a6fb2346e8457a9adacd5f1b35988d90abbde9ff26896bbb59edafea60d9db4d10182a7b5e129bb69585d3e20bc5c63af3517b3a7ef1e45ffb7e

Download Submit
C:\Users\Public\Libraries\aaa.bat
Filesize
3KB

MD5
71e46efe9932b83b397b44052513fb49

SHA1
741af3b8c31095a0cc2c39c41e62279684913205

SHA256
11c20fabf677cd77e8a354b520f6ffca09cac37ce15c9932550e749e49efe08a

SHA512
76da3b441c0eaaaabdd4d21b0a3d4aa7fd49d73a5f0dab2cfb39f2e114efe4f4dabe2d46b01b66d810d6e0efa97676599ece5c213c1a69a5f2f4897a9b4ac8da

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
114KB

MD5
566b326055c3ed8e2028aa1e2c1054d0

SHA1
c25fa6d6369c083526cafcf45b5f554635afe218

SHA256
a692d4305b95e57e2cfc871d53a41a5bfc9e306cb1a86ca1159db4f469598714

SHA512
da4b0b45d47757b69f9abc1817d3cb3c85deb08658e55f07b016fba053efe541a5791b9b2b380c25b440bbae6916c5a2245261553ca3c5025d9d55c943f9823c

Download Submit
C:\Users\Public\alpha.exe
Filesize
283KB

MD5
8a2122e8162dbef04694b9c3e0b6cdee

SHA1
f1efb0fddc156e4c61c5f78a54700e4e7984d55d

SHA256
b99d61d874728edc0918ca0eb10eab93d381e7367e377406e65963366c874450

SHA512
99e784141193275d4364ba1b8762b07cc150ca3cb7e9aa1d4386ba1fa87e073d0500e61572f8d1b071f2faa2a51bb123e12d9d07054b59a1a2fd768ad9f24397

Download Submit
memory/1804-55-0x0000000016530000-0x0000000017530000-memory.dmp

Filesize
16.0MB

Download
memory/1804-1-0x0000000003F10000-0x0000000004F10000-memory.dmp

Filesize
16.0MB

Download
memory/1804-4-0x0000000000400000-0x000000000051F000-memory.dmp

Filesize
1.1MB

Download
memory/1804-2-0x0000000003F10000-0x0000000004F10000-memory.dmp

Filesize
16.0MB

Download
memory/1804-103-0x0000000016530000-0x0000000017530000-memory.dmp

Filesize
16.0MB

Download
memory/1804-102-0x0000000016530000-0x0000000017530000-memory.dmp

Filesize
16.0MB

Download
memory/1804-45-0x0000000002310000-0x0000000002311000-memory.dmp

Filesize
4KB

Download
memory/1804-92-0x0000000016530000-0x0000000017530000-memory.dmp

Filesize
16.0MB

Download
memory/1804-91-0x0000000016530000-0x0000000017530000-memory.dmp

Filesize
16.0MB

Download
memory/1804-81-0x0000000016530000-0x0000000017530000-memory.dmp

Filesize
16.0MB

Download
memory/1804-80-0x0000000016530000-0x0000000017530000-memory.dmp

Filesize
16.0MB

Download
memory/1804-0-0x0000000002310000-0x0000000002311000-memory.dmp

Filesize
4KB

Download
memory/1804-57-0x0000000016530000-0x0000000017530000-memory.dmp

Filesize
16.0MB

Download
memory/1804-58-0x0000000016530000-0x0000000017530000-memory.dmp

Filesize
16.0MB

Download
memory/1804-59-0x0000000016530000-0x0000000017530000-memory.dmp

Filesize
16.0MB

Download
memory/1804-60-0x0000000016530000-0x0000000017530000-memory.dmp

Filesize
16.0MB

Download
memory/1804-61-0x0000000016530000-0x0000000017530000-memory.dmp

Filesize
16.0MB

Download
memory/1804-63-0x0000000016530000-0x0000000017530000-memory.dmp

Filesize
16.0MB

Download
memory/1804-64-0x0000000016530000-0x0000000017530000-memory.dmp

Filesize
16.0MB

Download
memory/1804-68-0x0000000016530000-0x0000000017530000-memory.dmp

Filesize
16.0MB

Download
memory/1804-69-0x0000000016530000-0x0000000017530000-memory.dmp

Filesize
16.0MB

Download
memory/1804-70-0x0000000016530000-0x0000000017530000-memory.dmp

Filesize
16.0MB

Download
memory/4108-24-0x00000000613C0000-0x00000000613E3000-memory.dmp

Filesize
140KB

Download
memory/4332-49-0x00007FFE6CC40000-0x00007FFE6D701000-memory.dmp

Filesize
10.8MB

Download
memory/4332-43-0x000002B4666E0000-0x000002B4666F0000-memory.dmp

Filesize
64KB

Download
memory/4332-44-0x000002B4666E0000-0x000002B4666F0000-memory.dmp

Filesize
64KB

Download
memory/4332-46-0x000002B4666E0000-0x000002B4666F0000-memory.dmp

Filesize
64KB

Download
memory/4332-42-0x00007FFE6CC40000-0x00007FFE6D701000-memory.dmp

Filesize
10.8MB

Download
memory/4332-34-0x000002B468860000-0x000002B468882000-memory.dmp

Filesize
136KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

Loading Replay Monitor...

Downloads