modiloader | e78e1baff2d7a3f921993ef1537adbed0b4cead4154cc42c2bd760ace1dce46f

Analysis

max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20220721-en
resource tags

arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system
submitted
03-08-2022 05:18

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General

Target

order.scr
Size

943KB
MD5

d898ec314df386d53273beae1740c7f9
SHA1

48129f3aa13df929f1cb8ed23980eb350473d637
SHA256

e78e1baff2d7a3f921993ef1537adbed0b4cead4154cc42c2bd760ace1dce46f
SHA512

89acf578e9c40eb83e053d220c3793dacaa5bfb6fa5a7ea7b9ed8a33d5c0962dfe771c1e5f34605b86fa7a384decff22c42dd7cb8a48b98388aa0cd667917bc6

Score

10^/10

modiloader remcos remotehost persistence rat trojan

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

www.varshtrade.com:2404

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
notepad
mouse_option
false
mutex
notepad-TFQMB3
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 63 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4532-145-0x00000000041F0000-0x00000000042E7000-memory.dmp	modiloader_stage2
behavioral2/memory/4532-161-0x00000000041F0000-0x00000000042E7000-memory.dmp	modiloader_stage2
behavioral2/memory/4532-162-0x00000000041F0000-0x00000000042E7000-memory.dmp	modiloader_stage2
behavioral2/memory/4532-163-0x00000000041F0000-0x00000000042E7000-memory.dmp	modiloader_stage2
behavioral2/memory/4532-164-0x00000000041F0000-0x00000000042E7000-memory.dmp	modiloader_stage2
behavioral2/memory/4532-165-0x00000000041F0000-0x00000000042E7000-memory.dmp	modiloader_stage2
behavioral2/memory/4532-166-0x00000000041F0000-0x00000000042E7000-memory.dmp	modiloader_stage2
behavioral2/memory/4532-167-0x00000000041F0000-0x00000000042E7000-memory.dmp	modiloader_stage2
behavioral2/memory/4532-168-0x00000000041F0000-0x00000000042E7000-memory.dmp	modiloader_stage2
behavioral2/memory/4532-169-0x00000000041F0000-0x00000000042E7000-memory.dmp	modiloader_stage2
behavioral2/memory/4532-170-0x00000000041F0000-0x00000000042E7000-memory.dmp	modiloader_stage2
behavioral2/memory/4532-171-0x00000000041F0000-0x00000000042E7000-memory.dmp	modiloader_stage2
behavioral2/memory/4532-172-0x00000000041F0000-0x00000000042E7000-memory.dmp	modiloader_stage2
behavioral2/memory/4532-173-0x00000000041F0000-0x00000000042E7000-memory.dmp	modiloader_stage2
behavioral2/memory/4532-174-0x00000000041F0000-0x00000000042E7000-memory.dmp	modiloader_stage2
behavioral2/memory/4532-175-0x00000000041F0000-0x00000000042E7000-memory.dmp	modiloader_stage2
behavioral2/memory/4532-176-0x00000000041F0000-0x00000000042E7000-memory.dmp	modiloader_stage2
behavioral2/memory/4532-177-0x00000000041F0000-0x00000000042E7000-memory.dmp	modiloader_stage2
behavioral2/memory/4532-178-0x00000000041F0000-0x00000000042E7000-memory.dmp	modiloader_stage2
behavioral2/memory/4532-179-0x00000000041F0000-0x00000000042E7000-memory.dmp	modiloader_stage2
behavioral2/memory/4532-180-0x00000000041F0000-0x00000000042E7000-memory.dmp	modiloader_stage2
behavioral2/memory/4532-181-0x00000000041F0000-0x00000000042E7000-memory.dmp	modiloader_stage2
behavioral2/memory/4532-182-0x00000000041F0000-0x00000000042E7000-memory.dmp	modiloader_stage2
behavioral2/memory/4532-183-0x00000000041F0000-0x00000000042E7000-memory.dmp	modiloader_stage2
behavioral2/memory/4532-184-0x00000000041F0000-0x00000000042E7000-memory.dmp	modiloader_stage2
behavioral2/memory/4532-185-0x00000000041F0000-0x00000000042E7000-memory.dmp	modiloader_stage2
behavioral2/memory/4532-186-0x00000000041F0000-0x00000000042E7000-memory.dmp	modiloader_stage2
behavioral2/memory/4532-187-0x00000000041F0000-0x00000000042E7000-memory.dmp	modiloader_stage2
behavioral2/memory/4532-188-0x00000000041F0000-0x00000000042E7000-memory.dmp	modiloader_stage2
behavioral2/memory/4532-189-0x00000000041F0000-0x00000000042E7000-memory.dmp	modiloader_stage2
behavioral2/memory/4532-190-0x00000000041F0000-0x00000000042E7000-memory.dmp	modiloader_stage2
behavioral2/memory/4532-191-0x00000000041F0000-0x00000000042E7000-memory.dmp	modiloader_stage2
behavioral2/memory/4532-192-0x00000000041F0000-0x00000000042E7000-memory.dmp	modiloader_stage2
behavioral2/memory/4532-193-0x00000000041F0000-0x00000000042E7000-memory.dmp	modiloader_stage2
behavioral2/memory/4532-194-0x00000000041F0000-0x00000000042E7000-memory.dmp	modiloader_stage2
behavioral2/memory/4532-195-0x00000000041F0000-0x00000000042E7000-memory.dmp	modiloader_stage2
behavioral2/memory/4532-196-0x00000000041F0000-0x00000000042E7000-memory.dmp	modiloader_stage2
behavioral2/memory/4532-197-0x00000000041F0000-0x00000000042E7000-memory.dmp	modiloader_stage2
behavioral2/memory/4532-198-0x00000000041F0000-0x00000000042E7000-memory.dmp	modiloader_stage2
behavioral2/memory/4532-199-0x00000000041F0000-0x00000000042E7000-memory.dmp	modiloader_stage2
behavioral2/memory/4532-200-0x00000000041F0000-0x00000000042E7000-memory.dmp	modiloader_stage2
behavioral2/memory/4532-201-0x00000000041F0000-0x00000000042E7000-memory.dmp	modiloader_stage2
behavioral2/memory/4532-202-0x00000000041F0000-0x00000000042E7000-memory.dmp	modiloader_stage2
behavioral2/memory/4532-204-0x00000000041F0000-0x00000000042E7000-memory.dmp	modiloader_stage2
behavioral2/memory/4532-203-0x00000000041F0000-0x00000000042E7000-memory.dmp	modiloader_stage2
behavioral2/memory/4532-206-0x00000000041F0000-0x00000000042E7000-memory.dmp	modiloader_stage2
behavioral2/memory/4532-209-0x00000000041F0000-0x00000000042E7000-memory.dmp	modiloader_stage2
behavioral2/memory/4532-210-0x00000000041F0000-0x00000000042E7000-memory.dmp	modiloader_stage2
behavioral2/memory/4532-207-0x00000000041F0000-0x00000000042E7000-memory.dmp	modiloader_stage2
behavioral2/memory/4532-211-0x00000000041F0000-0x00000000042E7000-memory.dmp	modiloader_stage2
behavioral2/memory/4532-212-0x00000000041F0000-0x00000000042E7000-memory.dmp	modiloader_stage2
behavioral2/memory/4532-213-0x00000000041F0000-0x00000000042E7000-memory.dmp	modiloader_stage2
behavioral2/memory/4532-214-0x00000000041F0000-0x00000000042E7000-memory.dmp	modiloader_stage2
behavioral2/memory/4532-215-0x00000000041F0000-0x00000000042E7000-memory.dmp	modiloader_stage2
behavioral2/memory/4532-216-0x00000000041F0000-0x00000000042E7000-memory.dmp	modiloader_stage2
behavioral2/memory/4532-217-0x00000000041F0000-0x00000000042E7000-memory.dmp	modiloader_stage2
behavioral2/memory/4532-218-0x00000000041F0000-0x00000000042E7000-memory.dmp	modiloader_stage2
behavioral2/memory/4532-219-0x00000000041F0000-0x00000000042E7000-memory.dmp	modiloader_stage2
behavioral2/memory/4532-220-0x00000000041F0000-0x00000000042E7000-memory.dmp	modiloader_stage2
behavioral2/memory/4532-221-0x00000000041F0000-0x00000000042E7000-memory.dmp	modiloader_stage2
behavioral2/memory/4532-222-0x00000000041F0000-0x00000000042E7000-memory.dmp	modiloader_stage2
behavioral2/memory/4532-225-0x00000000041F0000-0x00000000042E7000-memory.dmp	modiloader_stage2
behavioral2/memory/4532-223-0x00000000041F0000-0x00000000042E7000-memory.dmp	modiloader_stage2

Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.

Query Registry
T1012

System Information Discovery
T1082

Processes:

order.scr

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000\Control Panel\International\Geo\Nation order.scr

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000\Control Panel\International\Geo\Nation	order.scr

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

order.scr

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Tikgts = "C:\\Users\\Public\\Libraries\\stgkiT.url"	order.scr

Enumerates connected drives 3 TTPs 24 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

cleanmgr.exe

description	ioc	process
File opened (read-only)	\??\X:	cleanmgr.exe
File opened (read-only)	\??\A:	cleanmgr.exe
File opened (read-only)	\??\F:	cleanmgr.exe
File opened (read-only)	\??\J:	cleanmgr.exe
File opened (read-only)	\??\K:	cleanmgr.exe
File opened (read-only)	\??\M:	cleanmgr.exe
File opened (read-only)	\??\N:	cleanmgr.exe
File opened (read-only)	\??\R:	cleanmgr.exe
File opened (read-only)	\??\Y:	cleanmgr.exe
File opened (read-only)	\??\Z:	cleanmgr.exe
File opened (read-only)	\??\G:	cleanmgr.exe
File opened (read-only)	\??\L:	cleanmgr.exe
File opened (read-only)	\??\P:	cleanmgr.exe
File opened (read-only)	\??\Q:	cleanmgr.exe
File opened (read-only)	\??\V:	cleanmgr.exe
File opened (read-only)	\??\E:	cleanmgr.exe
File opened (read-only)	\??\S:	cleanmgr.exe
File opened (read-only)	\??\W:	cleanmgr.exe
File opened (read-only)	\??\B:	cleanmgr.exe
File opened (read-only)	\??\H:	cleanmgr.exe
File opened (read-only)	\??\I:	cleanmgr.exe
File opened (read-only)	\??\O:	cleanmgr.exe
File opened (read-only)	\??\T:	cleanmgr.exe
File opened (read-only)	\??\U:	cleanmgr.exe

Drops file in System32 directory 4 IoCs

Processes:

cleanmgr.exe

description	ioc	process
File opened for modification	C:\Windows\system32\LogFiles\setupcln\setuperr.log	cleanmgr.exe
File opened for modification	C:\Windows\system32\LogFiles\setupcln\diagerr.xml	cleanmgr.exe
File opened for modification	C:\Windows\system32\LogFiles\setupcln\diagwrn.xml	cleanmgr.exe
File opened for modification	C:\Windows\system32\LogFiles\setupcln\setupact.log	cleanmgr.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

order.scr

pid process

4532 order.scr
4532 order.scr

pid	process
4532	order.scr
4532	order.scr

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

order.scr

description	pid	process	target process
PID 4532 wrote to memory of 4000	4532	order.scr	cleanmgr.exe
PID 4532 wrote to memory of 4000	4532	order.scr	cleanmgr.exe
PID 4532 wrote to memory of 4000	4532	order.scr	cleanmgr.exe
PID 4532 wrote to memory of 4000	4532	order.scr	cleanmgr.exe
PID 4532 wrote to memory of 4000	4532	order.scr	cleanmgr.exe
PID 4532 wrote to memory of 4000	4532	order.scr	cleanmgr.exe
PID 4532 wrote to memory of 4000	4532	order.scr	cleanmgr.exe
PID 4532 wrote to memory of 4000	4532	order.scr	cleanmgr.exe
PID 4532 wrote to memory of 4000	4532	order.scr	cleanmgr.exe
PID 4532 wrote to memory of 4000	4532	order.scr	cleanmgr.exe
PID 4532 wrote to memory of 4000	4532	order.scr	cleanmgr.exe
PID 4532 wrote to memory of 4000	4532	order.scr	cleanmgr.exe
PID 4532 wrote to memory of 4000	4532	order.scr	cleanmgr.exe
PID 4532 wrote to memory of 4000	4532	order.scr	cleanmgr.exe
PID 4532 wrote to memory of 4000	4532	order.scr	cleanmgr.exe

C:\Users\Admin\AppData\Local\Temp\order.scr
"C:\Users\Admin\AppData\Local\Temp\order.scr" /S
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4532

C:\Windows\SysWOW64\cleanmgr.exe
"C:\Windows\System32\cleanmgr.exe"
2⤵
- Enumerates connected drives
- Drops file in System32 directory
PID:4000

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

Peripheral Device Discovery

T1120

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/4000-205-0x0000000000000000-mapping.dmp

Download
memory/4000-208-0x0000000050590000-0x000000005061A000-memory.dmp

Filesize
552KB

Download
memory/4000-224-0x0000000000400000-0x000000000047E000-memory.dmp

Filesize
504KB

Download
memory/4000-236-0x0000000000400000-0x000000000047E000-memory.dmp

Filesize
504KB

Download
memory/4532-145-0x00000000041F0000-0x00000000042E7000-memory.dmp

Filesize
988KB

Download
memory/4532-161-0x00000000041F0000-0x00000000042E7000-memory.dmp

Filesize
988KB

Download
memory/4532-162-0x00000000041F0000-0x00000000042E7000-memory.dmp

Filesize
988KB

Download
memory/4532-163-0x00000000041F0000-0x00000000042E7000-memory.dmp

Filesize
988KB

Download
memory/4532-164-0x00000000041F0000-0x00000000042E7000-memory.dmp

Filesize
988KB

Download
memory/4532-165-0x00000000041F0000-0x00000000042E7000-memory.dmp

Filesize
988KB

Download
memory/4532-166-0x00000000041F0000-0x00000000042E7000-memory.dmp

Filesize
988KB

Download
memory/4532-167-0x00000000041F0000-0x00000000042E7000-memory.dmp

Filesize
988KB

Download
memory/4532-168-0x00000000041F0000-0x00000000042E7000-memory.dmp

Filesize
988KB

Download
memory/4532-169-0x00000000041F0000-0x00000000042E7000-memory.dmp

Filesize
988KB

Download
memory/4532-170-0x00000000041F0000-0x00000000042E7000-memory.dmp

Filesize
988KB

Download
memory/4532-171-0x00000000041F0000-0x00000000042E7000-memory.dmp

Filesize
988KB

Download
memory/4532-172-0x00000000041F0000-0x00000000042E7000-memory.dmp

Filesize
988KB

Download
memory/4532-173-0x00000000041F0000-0x00000000042E7000-memory.dmp

Filesize
988KB

Download
memory/4532-174-0x00000000041F0000-0x00000000042E7000-memory.dmp

Filesize
988KB

Download
memory/4532-175-0x00000000041F0000-0x00000000042E7000-memory.dmp

Filesize
988KB

Download
memory/4532-176-0x00000000041F0000-0x00000000042E7000-memory.dmp

Filesize
988KB

Download
memory/4532-177-0x00000000041F0000-0x00000000042E7000-memory.dmp

Filesize
988KB

Download
memory/4532-178-0x00000000041F0000-0x00000000042E7000-memory.dmp

Filesize
988KB

Download
memory/4532-179-0x00000000041F0000-0x00000000042E7000-memory.dmp

Filesize
988KB

Download
memory/4532-180-0x00000000041F0000-0x00000000042E7000-memory.dmp

Filesize
988KB

Download
memory/4532-181-0x00000000041F0000-0x00000000042E7000-memory.dmp

Filesize
988KB

Download
memory/4532-182-0x00000000041F0000-0x00000000042E7000-memory.dmp

Filesize
988KB

Download
memory/4532-183-0x00000000041F0000-0x00000000042E7000-memory.dmp

Filesize
988KB

Download
memory/4532-184-0x00000000041F0000-0x00000000042E7000-memory.dmp

Filesize
988KB

Download
memory/4532-185-0x00000000041F0000-0x00000000042E7000-memory.dmp

Filesize
988KB

Download
memory/4532-186-0x00000000041F0000-0x00000000042E7000-memory.dmp

Filesize
988KB

Download
memory/4532-187-0x00000000041F0000-0x00000000042E7000-memory.dmp

Filesize
988KB

Download
memory/4532-188-0x00000000041F0000-0x00000000042E7000-memory.dmp

Filesize
988KB

Download
memory/4532-189-0x00000000041F0000-0x00000000042E7000-memory.dmp

Filesize
988KB

Download
memory/4532-190-0x00000000041F0000-0x00000000042E7000-memory.dmp

Filesize
988KB

Download
memory/4532-191-0x00000000041F0000-0x00000000042E7000-memory.dmp

Filesize
988KB

Download
memory/4532-192-0x00000000041F0000-0x00000000042E7000-memory.dmp

Filesize
988KB

Download
memory/4532-193-0x00000000041F0000-0x00000000042E7000-memory.dmp

Filesize
988KB

Download
memory/4532-194-0x00000000041F0000-0x00000000042E7000-memory.dmp

Filesize
988KB

Download
memory/4532-195-0x00000000041F0000-0x00000000042E7000-memory.dmp

Filesize
988KB

Download
memory/4532-196-0x00000000041F0000-0x00000000042E7000-memory.dmp

Filesize
988KB

Download
memory/4532-197-0x00000000041F0000-0x00000000042E7000-memory.dmp

Filesize
988KB

Download
memory/4532-198-0x00000000041F0000-0x00000000042E7000-memory.dmp

Filesize
988KB

Download
memory/4532-199-0x00000000041F0000-0x00000000042E7000-memory.dmp

Filesize
988KB

Download
memory/4532-200-0x00000000041F0000-0x00000000042E7000-memory.dmp

Filesize
988KB

Download
memory/4532-201-0x00000000041F0000-0x00000000042E7000-memory.dmp

Filesize
988KB

Download
memory/4532-202-0x00000000041F0000-0x00000000042E7000-memory.dmp

Filesize
988KB

Download
memory/4532-204-0x00000000041F0000-0x00000000042E7000-memory.dmp

Filesize
988KB

Download
memory/4532-203-0x00000000041F0000-0x00000000042E7000-memory.dmp

Filesize
988KB

Download
memory/4532-206-0x00000000041F0000-0x00000000042E7000-memory.dmp

Filesize
988KB

Download
memory/4532-209-0x00000000041F0000-0x00000000042E7000-memory.dmp

Filesize
988KB

Download
memory/4532-210-0x00000000041F0000-0x00000000042E7000-memory.dmp

Filesize
988KB

Download
memory/4532-207-0x00000000041F0000-0x00000000042E7000-memory.dmp

Filesize
988KB

Download
memory/4532-211-0x00000000041F0000-0x00000000042E7000-memory.dmp

Filesize
988KB

Download
memory/4532-212-0x00000000041F0000-0x00000000042E7000-memory.dmp

Filesize
988KB

Download
memory/4532-213-0x00000000041F0000-0x00000000042E7000-memory.dmp

Filesize
988KB

Download
memory/4532-214-0x00000000041F0000-0x00000000042E7000-memory.dmp

Filesize
988KB

Download
memory/4532-215-0x00000000041F0000-0x00000000042E7000-memory.dmp

Filesize
988KB

Download
memory/4532-216-0x00000000041F0000-0x00000000042E7000-memory.dmp

Filesize
988KB

Download
memory/4532-217-0x00000000041F0000-0x00000000042E7000-memory.dmp

Filesize
988KB

Download
memory/4532-218-0x00000000041F0000-0x00000000042E7000-memory.dmp

Filesize
988KB

Download
memory/4532-219-0x00000000041F0000-0x00000000042E7000-memory.dmp

Filesize
988KB

Download
memory/4532-220-0x00000000041F0000-0x00000000042E7000-memory.dmp

Filesize
988KB

Download
memory/4532-221-0x00000000041F0000-0x00000000042E7000-memory.dmp

Filesize
988KB

Download
memory/4532-222-0x00000000041F0000-0x00000000042E7000-memory.dmp

Filesize
988KB

Download
memory/4532-225-0x00000000041F0000-0x00000000042E7000-memory.dmp

Filesize
988KB

Download
memory/4532-223-0x00000000041F0000-0x00000000042E7000-memory.dmp

Filesize
988KB

Download