modiloader | 8158105e4cb87778d3714e6ab22a16251ffa4475124a8269fa6e722e016e3e1a

Analysis

max time kernel
148s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
13-04-2023 16:31

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General

Target

SecuriteInfo.com.Variant.Zusy.457049.29674.5090.exe
Size

769KB
MD5

5cb35f5245804a77734a1f5ec3d9cd9d
SHA1

1bb8f22923214d6d06123227147306ed35af6bf0
SHA256

8158105e4cb87778d3714e6ab22a16251ffa4475124a8269fa6e722e016e3e1a
SHA512

0c64e76ceec5943b505b28bf33136294b385e237a4a9df52984e9745ec57b6a0a1c0bd09933dad77088f8b7886dac2b232519243e4f6b0649d5182f25aaca890
SSDEEP

12288:cjtATpxC7cYFqGwib8yzaeCvFJIqtIz2X7kJ/PufCUWUo2:cjt2pHYkUraDvFTIaLkJ/Pu/ro

Score

10^/10

modiloader remcos razor persistence rat trojan

Malware Config

Extracted

Family

remcos

Botnet

Razor

20.251.10.189:2349

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
true
install_flag
false
keylog_crypt
false
keylog_file
oldcoss.dat
keylog_flag
false
keylog_path
%UserProfile%
mouse_option
false
mutex
razorsormo-2HAQFI
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
startup_value
Remcos
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/3260-134-0x0000000002710000-0x000000000273C000-memory.dmp	modiloader_stage2

Executes dropped EXE 2 IoCs

Processes:

easinvoker.exewylsmcsG.pif

pid process

1152 easinvoker.exe
4516 wylsmcsG.pif
Loads dropped DLL 1 IoCs

Processes:

easinvoker.exe

pid process

1152 easinvoker.exe

pid	process
1152	easinvoker.exe
4516	wylsmcsG.pif

pid	process
1152	easinvoker.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

SecuriteInfo.com.Variant.Zusy.457049.29674.5090.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Gscmslyw = "C:\\Users\\Public\\Libraries\\wylsmcsG.url"	SecuriteInfo.com.Variant.Zusy.457049.29674.5090.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

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

4948 PING.EXE
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

powershell.exe

pid process

4888 powershell.exe
4888 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 4888 powershell.exe

pid	process
4948	PING.EXE

pid	process
4888	powershell.exe
4888	powershell.exe

description	pid	process
Token: SeDebugPrivilege	4888	powershell.exe

Suspicious use of WriteProcessMemory 47 IoCs

Processes:

SecuriteInfo.com.Variant.Zusy.457049.29674.5090.execmd.exeeasinvoker.execmd.exe

description	pid	process	target process
PID 3260 wrote to memory of 3904	3260	SecuriteInfo.com.Variant.Zusy.457049.29674.5090.exe	cmd.exe
PID 3260 wrote to memory of 3904	3260	SecuriteInfo.com.Variant.Zusy.457049.29674.5090.exe	cmd.exe
PID 3260 wrote to memory of 3904	3260	SecuriteInfo.com.Variant.Zusy.457049.29674.5090.exe	cmd.exe
PID 3904 wrote to memory of 4604	3904	cmd.exe	cmd.exe
PID 3904 wrote to memory of 4604	3904	cmd.exe	cmd.exe
PID 3904 wrote to memory of 4604	3904	cmd.exe	cmd.exe
PID 3904 wrote to memory of 4768	3904	cmd.exe	xcopy.exe
PID 3904 wrote to memory of 4768	3904	cmd.exe	xcopy.exe
PID 3904 wrote to memory of 4768	3904	cmd.exe	xcopy.exe
PID 3904 wrote to memory of 4120	3904	cmd.exe	cmd.exe
PID 3904 wrote to memory of 4120	3904	cmd.exe	cmd.exe
PID 3904 wrote to memory of 4120	3904	cmd.exe	cmd.exe
PID 3904 wrote to memory of 3964	3904	cmd.exe	xcopy.exe
PID 3904 wrote to memory of 3964	3904	cmd.exe	xcopy.exe
PID 3904 wrote to memory of 3964	3904	cmd.exe	xcopy.exe
PID 3904 wrote to memory of 3868	3904	cmd.exe	cmd.exe
PID 3904 wrote to memory of 3868	3904	cmd.exe	cmd.exe
PID 3904 wrote to memory of 3868	3904	cmd.exe	cmd.exe
PID 3904 wrote to memory of 3624	3904	cmd.exe	xcopy.exe
PID 3904 wrote to memory of 3624	3904	cmd.exe	xcopy.exe
PID 3904 wrote to memory of 3624	3904	cmd.exe	xcopy.exe
PID 3904 wrote to memory of 1152	3904	cmd.exe	easinvoker.exe
PID 3904 wrote to memory of 1152	3904	cmd.exe	easinvoker.exe
PID 1152 wrote to memory of 4976	1152	easinvoker.exe	cmd.exe
PID 1152 wrote to memory of 4976	1152	easinvoker.exe	cmd.exe
PID 3904 wrote to memory of 4948	3904	cmd.exe	PING.EXE
PID 3904 wrote to memory of 4948	3904	cmd.exe	PING.EXE
PID 3904 wrote to memory of 4948	3904	cmd.exe	PING.EXE
PID 4976 wrote to memory of 4888	4976	cmd.exe	powershell.exe
PID 4976 wrote to memory of 4888	4976	cmd.exe	powershell.exe
PID 3260 wrote to memory of 4516	3260	SecuriteInfo.com.Variant.Zusy.457049.29674.5090.exe	wylsmcsG.pif
PID 3260 wrote to memory of 4516	3260	SecuriteInfo.com.Variant.Zusy.457049.29674.5090.exe	wylsmcsG.pif
PID 3260 wrote to memory of 4516	3260	SecuriteInfo.com.Variant.Zusy.457049.29674.5090.exe	wylsmcsG.pif
PID 3260 wrote to memory of 4516	3260	SecuriteInfo.com.Variant.Zusy.457049.29674.5090.exe	wylsmcsG.pif
PID 3260 wrote to memory of 4516	3260	SecuriteInfo.com.Variant.Zusy.457049.29674.5090.exe	wylsmcsG.pif
PID 3260 wrote to memory of 4516	3260	SecuriteInfo.com.Variant.Zusy.457049.29674.5090.exe	wylsmcsG.pif
PID 3260 wrote to memory of 4516	3260	SecuriteInfo.com.Variant.Zusy.457049.29674.5090.exe	wylsmcsG.pif
PID 3260 wrote to memory of 4516	3260	SecuriteInfo.com.Variant.Zusy.457049.29674.5090.exe	wylsmcsG.pif
PID 3260 wrote to memory of 4516	3260	SecuriteInfo.com.Variant.Zusy.457049.29674.5090.exe	wylsmcsG.pif
PID 3260 wrote to memory of 4516	3260	SecuriteInfo.com.Variant.Zusy.457049.29674.5090.exe	wylsmcsG.pif
PID 3260 wrote to memory of 4516	3260	SecuriteInfo.com.Variant.Zusy.457049.29674.5090.exe	wylsmcsG.pif
PID 3260 wrote to memory of 4516	3260	SecuriteInfo.com.Variant.Zusy.457049.29674.5090.exe	wylsmcsG.pif
PID 3260 wrote to memory of 4516	3260	SecuriteInfo.com.Variant.Zusy.457049.29674.5090.exe	wylsmcsG.pif
PID 3260 wrote to memory of 4516	3260	SecuriteInfo.com.Variant.Zusy.457049.29674.5090.exe	wylsmcsG.pif
PID 3260 wrote to memory of 4516	3260	SecuriteInfo.com.Variant.Zusy.457049.29674.5090.exe	wylsmcsG.pif
PID 3260 wrote to memory of 4516	3260	SecuriteInfo.com.Variant.Zusy.457049.29674.5090.exe	wylsmcsG.pif
PID 3260 wrote to memory of 4516	3260	SecuriteInfo.com.Variant.Zusy.457049.29674.5090.exe	wylsmcsG.pif

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Variant.Zusy.457049.29674.5090.exe
"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Variant.Zusy.457049.29674.5090.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3260

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Public\Libraries\GscmslywO.bat" "
2⤵
- Suspicious use of WriteProcessMemory
PID:3904

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /S /D /c" ECHO F"
3⤵
PID:4604

C:\Windows\SysWOW64\xcopy.exe
xcopy "easinvoker.exe" "C:\Windows \System32\" /K /D /H /Y
3⤵
- Enumerates system info in registry
PID:4768

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /S /D /c" ECHO F"
3⤵
PID:4120

C:\Windows\SysWOW64\xcopy.exe
xcopy "netutils.dll" "C:\Windows \System32\" /K /D /H /Y
3⤵
- Enumerates system info in registry
PID:3964

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /S /D /c" ECHO F"
3⤵
PID:3868

C:\Windows\SysWOW64\xcopy.exe
xcopy "KDECO.bat" "C:\Windows \System32\" /K /D /H /Y
3⤵
- Enumerates system info in registry
PID:3624

C:\Windows \System32\easinvoker.exe
"C:\Windows \System32\easinvoker.exe"
3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1152

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\windows \system32\KDECO.bat""
4⤵
- Suspicious use of WriteProcessMemory
PID:4976

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell -WindowStyle Hidden -inputformat none -outputformat none -NonInteractive -Command "Add-MpPreference -ExclusionPath 'C:\Users'"
5⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4888

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1 -n 6
3⤵
- Runs ping.exe
PID:4948

C:\Users\Public\Libraries\wylsmcsG.pif
C:\Users\Public\Libraries\wylsmcsG.pif
2⤵
- Executes dropped EXE
PID:4516

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Remote System Discovery

T1018

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ksj3w5ze.fmv.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Public\Libraries\GscmslywO.bat
Filesize
411B

MD5
55aba243e88f6a6813c117ffe1fa5979

SHA1
210b9b028a4b798c837a182321dbf2e50d112816

SHA256
5a11c5641c476891aa30e7ecfa57c2639f6827d8640061f73e9afec0adbbd7d2

SHA512
68009c4c9bbea75a3bfa9f79945d30957a95691ea405d031b4ca7f1cb47504bbc768fcae59173885743ad4d6cfdd2313c3fe0acb515e34e5c809ecdc7f45e307

Download Submit
C:\Users\Public\Libraries\KDECO.bat
Filesize
155B

MD5
213c60adf1c9ef88dc3c9b2d579959d2

SHA1
e4d2ad7b22b1a8b5b1f7a702b303c7364b0ee021

SHA256
37c59c8398279916cfce45f8c5e3431058248f5e3bef4d9f5c0f44a7d564f82e

SHA512
fe897d9caa306b0e761b2fd61bb5dc32a53bfaad1ce767c6860af4e3ad59c8f3257228a6e1072dab0f990cb51c59c648084ba419ac6bc5c0a99bdffa569217b7

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
108KB

MD5
5f382d3a2cec2944982099894bc39d15

SHA1
d214bb1f252df2549a64bd898e72d62a8fd8fd9d

SHA256
02212f763b2d19e96651613d88338c933ddfd18be4cb7e721b2fb57f55887d64

SHA512
c695548f21363bb243ada9aa5daf942f6c77bda70bdd5383132c024770df5b7477fb72a55fb867b50baf349cd8c1d66da8ac8fdf290d03a5a25b50a580170fa2

Download Submit
C:\Users\Public\Libraries\wylsmcsG.pif
Filesize
182KB

MD5
3776012e2ef5a5cae6935853e6ca79b2

SHA1
4fc81df94baaaa550473ac9d20763cfb786577ff

SHA256
8e104cc58e62de0eab837ac09b01d30e85f79045cc1803fa2ef4eafbdbd41e8d

SHA512
38811cb1431e8b7b07113ae54f1531f8992bd0e572d9daa1029cf8692396427285a4c089ffd56422ca0c6b393e9fca0856a5a5cd77062e7e71bf0a670843cfb8

Download Submit
C:\Users\Public\Libraries\wylsmcsG.pif
Filesize
182KB

MD5
3776012e2ef5a5cae6935853e6ca79b2

SHA1
4fc81df94baaaa550473ac9d20763cfb786577ff

SHA256
8e104cc58e62de0eab837ac09b01d30e85f79045cc1803fa2ef4eafbdbd41e8d

SHA512
38811cb1431e8b7b07113ae54f1531f8992bd0e572d9daa1029cf8692396427285a4c089ffd56422ca0c6b393e9fca0856a5a5cd77062e7e71bf0a670843cfb8

Download Submit
C:\Windows \System32\easinvoker.exe
Filesize
128KB

MD5
231ce1e1d7d98b44371ffff407d68b59

SHA1
25510d0f6353dbf0c9f72fc880de7585e34b28ff

SHA256
30951db8bfc21640645aa9144cfeaa294bb7c6980ef236d28552b6f4f3f92a96

SHA512
520887b01bda96b7c4f91b9330a5c03a12f7c7f266d4359432e7bacc76b0eef377c05a4361f8fa80ad0b94b5865699d747a5d94a2d3dcdb85dabf5887bb6c612

Download Submit
C:\Windows \System32\easinvoker.exe
Filesize
128KB

MD5
231ce1e1d7d98b44371ffff407d68b59

SHA1
25510d0f6353dbf0c9f72fc880de7585e34b28ff

SHA256
30951db8bfc21640645aa9144cfeaa294bb7c6980ef236d28552b6f4f3f92a96

SHA512
520887b01bda96b7c4f91b9330a5c03a12f7c7f266d4359432e7bacc76b0eef377c05a4361f8fa80ad0b94b5865699d747a5d94a2d3dcdb85dabf5887bb6c612

Download Submit
C:\Windows \System32\netutils.dll
Filesize
108KB

MD5
5f382d3a2cec2944982099894bc39d15

SHA1
d214bb1f252df2549a64bd898e72d62a8fd8fd9d

SHA256
02212f763b2d19e96651613d88338c933ddfd18be4cb7e721b2fb57f55887d64

SHA512
c695548f21363bb243ada9aa5daf942f6c77bda70bdd5383132c024770df5b7477fb72a55fb867b50baf349cd8c1d66da8ac8fdf290d03a5a25b50a580170fa2

Download Submit
C:\Windows \System32\netutils.dll
Filesize
108KB

MD5
5f382d3a2cec2944982099894bc39d15

SHA1
d214bb1f252df2549a64bd898e72d62a8fd8fd9d

SHA256
02212f763b2d19e96651613d88338c933ddfd18be4cb7e721b2fb57f55887d64

SHA512
c695548f21363bb243ada9aa5daf942f6c77bda70bdd5383132c024770df5b7477fb72a55fb867b50baf349cd8c1d66da8ac8fdf290d03a5a25b50a580170fa2

Download Submit
C:\windows \system32\KDECO.bat
Filesize
155B

MD5
213c60adf1c9ef88dc3c9b2d579959d2

SHA1
e4d2ad7b22b1a8b5b1f7a702b303c7364b0ee021

SHA256
37c59c8398279916cfce45f8c5e3431058248f5e3bef4d9f5c0f44a7d564f82e

SHA512
fe897d9caa306b0e761b2fd61bb5dc32a53bfaad1ce767c6860af4e3ad59c8f3257228a6e1072dab0f990cb51c59c648084ba419ac6bc5c0a99bdffa569217b7

Download Submit
memory/1152-167-0x00000000613C0000-0x00000000613E2000-memory.dmp

Filesize
136KB

Download
memory/3260-196-0x0000000010590000-0x0000000010613000-memory.dmp

Filesize
524KB

Download
memory/3260-136-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/3260-133-0x0000000002370000-0x0000000002371000-memory.dmp

Filesize
4KB

Download
memory/3260-134-0x0000000002710000-0x000000000273C000-memory.dmp

Filesize
176KB

Download
memory/3260-188-0x0000000010590000-0x0000000010613000-memory.dmp

Filesize
524KB

Download
memory/4516-205-0x0000000010590000-0x0000000010613000-memory.dmp

Filesize
524KB

Download
memory/4516-208-0x0000000000650000-0x00000000006D0000-memory.dmp

Filesize
512KB

Download
memory/4516-191-0x00000000005A0000-0x00000000005A1000-memory.dmp

Filesize
4KB

Download
memory/4516-232-0x0000000000650000-0x00000000006D0000-memory.dmp

Filesize
512KB

Download
memory/4516-231-0x0000000000650000-0x00000000006D0000-memory.dmp

Filesize
512KB

Download
memory/4516-197-0x0000000000600000-0x0000000000601000-memory.dmp

Filesize
4KB

Download
memory/4516-198-0x0000000000650000-0x00000000006D0000-memory.dmp

Filesize
512KB

Download
memory/4516-200-0x0000000000650000-0x00000000006D0000-memory.dmp

Filesize
512KB

Download
memory/4516-202-0x0000000000650000-0x00000000006D0000-memory.dmp

Filesize
512KB

Download
memory/4516-204-0x0000000000650000-0x00000000006D0000-memory.dmp

Filesize
512KB

Download
memory/4516-227-0x0000000000650000-0x00000000006D0000-memory.dmp

Filesize
512KB

Download
memory/4516-206-0x0000000000650000-0x00000000006D0000-memory.dmp

Filesize
512KB

Download
memory/4516-207-0x0000000000650000-0x00000000006D0000-memory.dmp

Filesize
512KB

Download
memory/4516-189-0x00000000001E0000-0x00000000001E1000-memory.dmp

Filesize
4KB

Download
memory/4516-209-0x0000000000650000-0x00000000006D0000-memory.dmp

Filesize
512KB

Download
memory/4516-211-0x0000000000650000-0x00000000006D0000-memory.dmp

Filesize
512KB

Download
memory/4516-214-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/4516-215-0x0000000000650000-0x00000000006D0000-memory.dmp

Filesize
512KB

Download
memory/4516-216-0x0000000000650000-0x00000000006D0000-memory.dmp

Filesize
512KB

Download
memory/4516-217-0x0000000000650000-0x00000000006D0000-memory.dmp

Filesize
512KB

Download
memory/4516-221-0x0000000000650000-0x00000000006D0000-memory.dmp

Filesize
512KB

Download
memory/4516-222-0x0000000000650000-0x00000000006D0000-memory.dmp

Filesize
512KB

Download
memory/4516-226-0x0000000000650000-0x00000000006D0000-memory.dmp

Filesize
512KB

Download
memory/4888-172-0x0000029AB6BB0000-0x0000029AB6BC0000-memory.dmp

Filesize
64KB

Download
memory/4888-171-0x0000029AB6BB0000-0x0000029AB6BC0000-memory.dmp

Filesize
64KB

Download
memory/4888-182-0x0000029A9CE80000-0x0000029A9CEA2000-memory.dmp

Filesize
136KB

Download