modiloader | 6e4597db411c7c93428ddc24f95c2d4a16c91263c12344923c04aceae016834d

Analysis

max time kernel
101s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20220721-en
resource tags

arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system
submitted
11-08-2022 17:36

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General

Target

tmp.exe
Size

914KB
MD5

2c423d03a39192e874aab20c14d1883b
SHA1

023cf31791a48de9cc1ac9e2b98e47393f1d0e3b
SHA256

6e4597db411c7c93428ddc24f95c2d4a16c91263c12344923c04aceae016834d
SHA512

479d80a09d6792340f1999b51d02e59a5a578734ae6af1102dc54a0fa79040f43d6878fbd8acfd1fd57cb3751077b65c4ac1bd64a04e8f39c9dc213166cc1b5c

Score

10^/10

modiloader remcos ceo_nasco persistence rat trojan

Malware Config

Extracted

Family

remcos

Botnet

ceo_nasco

194.5.98.28:7006

Attributes

audio_folder
audio
audio_path
%AppData%
audio_record_time
5
connect_delay
0
connect_interval
5
copy_file
remcos.exe
copy_folder
remcos
delete_file
false
hide_file
false
hide_keylog_file
false
install_flag
false
install_path
%AppData%
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
remcos
keylog_path
%AppData%
mouse_option
false
mutex
remcos_zxeqqeixcisywfn
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screens
screenshot_path
%AppData%
screenshot_time
1
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 62 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2244-148-0x0000000004280000-0x0000000004315000-memory.dmp	modiloader_stage2
behavioral2/memory/2244-161-0x0000000004280000-0x0000000004315000-memory.dmp	modiloader_stage2
behavioral2/memory/2244-162-0x0000000004280000-0x0000000004315000-memory.dmp	modiloader_stage2
behavioral2/memory/2244-163-0x0000000004280000-0x0000000004315000-memory.dmp	modiloader_stage2
behavioral2/memory/2244-164-0x0000000004280000-0x0000000004315000-memory.dmp	modiloader_stage2
behavioral2/memory/2244-165-0x0000000004280000-0x0000000004315000-memory.dmp	modiloader_stage2
behavioral2/memory/2244-166-0x0000000004280000-0x0000000004315000-memory.dmp	modiloader_stage2
behavioral2/memory/2244-167-0x0000000004280000-0x0000000004315000-memory.dmp	modiloader_stage2
behavioral2/memory/2244-168-0x0000000004280000-0x0000000004315000-memory.dmp	modiloader_stage2
behavioral2/memory/2244-169-0x0000000004280000-0x0000000004315000-memory.dmp	modiloader_stage2
behavioral2/memory/2244-170-0x0000000004280000-0x0000000004315000-memory.dmp	modiloader_stage2
behavioral2/memory/2244-171-0x0000000004280000-0x0000000004315000-memory.dmp	modiloader_stage2
behavioral2/memory/2244-172-0x0000000004280000-0x0000000004315000-memory.dmp	modiloader_stage2
behavioral2/memory/2244-173-0x0000000004280000-0x0000000004315000-memory.dmp	modiloader_stage2
behavioral2/memory/2244-174-0x0000000004280000-0x0000000004315000-memory.dmp	modiloader_stage2
behavioral2/memory/2244-175-0x0000000004280000-0x0000000004315000-memory.dmp	modiloader_stage2
behavioral2/memory/2244-176-0x0000000004280000-0x0000000004315000-memory.dmp	modiloader_stage2
behavioral2/memory/2244-177-0x0000000004280000-0x0000000004315000-memory.dmp	modiloader_stage2
behavioral2/memory/2244-178-0x0000000004280000-0x0000000004315000-memory.dmp	modiloader_stage2
behavioral2/memory/2244-179-0x0000000004280000-0x0000000004315000-memory.dmp	modiloader_stage2
behavioral2/memory/2244-180-0x0000000004280000-0x0000000004315000-memory.dmp	modiloader_stage2
behavioral2/memory/2244-181-0x0000000004280000-0x0000000004315000-memory.dmp	modiloader_stage2
behavioral2/memory/2244-182-0x0000000004280000-0x0000000004315000-memory.dmp	modiloader_stage2
behavioral2/memory/2244-183-0x0000000004280000-0x0000000004315000-memory.dmp	modiloader_stage2
behavioral2/memory/2244-184-0x0000000004280000-0x0000000004315000-memory.dmp	modiloader_stage2
behavioral2/memory/2244-185-0x0000000004280000-0x0000000004315000-memory.dmp	modiloader_stage2
behavioral2/memory/2244-186-0x0000000004280000-0x0000000004315000-memory.dmp	modiloader_stage2
behavioral2/memory/2244-187-0x0000000004280000-0x0000000004315000-memory.dmp	modiloader_stage2
behavioral2/memory/2244-188-0x0000000004280000-0x0000000004315000-memory.dmp	modiloader_stage2
behavioral2/memory/2244-189-0x0000000004280000-0x0000000004315000-memory.dmp	modiloader_stage2
behavioral2/memory/2244-190-0x0000000004280000-0x0000000004315000-memory.dmp	modiloader_stage2
behavioral2/memory/2244-191-0x0000000004280000-0x0000000004315000-memory.dmp	modiloader_stage2
behavioral2/memory/2244-192-0x0000000004280000-0x0000000004315000-memory.dmp	modiloader_stage2
behavioral2/memory/2244-193-0x0000000004280000-0x0000000004315000-memory.dmp	modiloader_stage2
behavioral2/memory/2244-194-0x0000000004280000-0x0000000004315000-memory.dmp	modiloader_stage2
behavioral2/memory/2244-195-0x0000000004280000-0x0000000004315000-memory.dmp	modiloader_stage2
behavioral2/memory/2244-197-0x0000000004280000-0x0000000004315000-memory.dmp	modiloader_stage2
behavioral2/memory/2244-196-0x0000000004280000-0x0000000004315000-memory.dmp	modiloader_stage2
behavioral2/memory/2244-198-0x0000000004280000-0x0000000004315000-memory.dmp	modiloader_stage2
behavioral2/memory/2244-199-0x0000000004280000-0x0000000004315000-memory.dmp	modiloader_stage2
behavioral2/memory/2244-200-0x0000000004280000-0x0000000004315000-memory.dmp	modiloader_stage2
behavioral2/memory/2244-202-0x0000000004280000-0x0000000004315000-memory.dmp	modiloader_stage2
behavioral2/memory/2244-203-0x0000000004280000-0x0000000004315000-memory.dmp	modiloader_stage2
behavioral2/memory/2244-204-0x0000000004280000-0x0000000004315000-memory.dmp	modiloader_stage2
behavioral2/memory/2244-201-0x0000000004280000-0x0000000004315000-memory.dmp	modiloader_stage2
behavioral2/memory/2244-210-0x0000000004280000-0x0000000004315000-memory.dmp	modiloader_stage2
behavioral2/memory/2244-209-0x0000000004280000-0x0000000004315000-memory.dmp	modiloader_stage2
behavioral2/memory/2244-211-0x0000000004280000-0x0000000004315000-memory.dmp	modiloader_stage2
behavioral2/memory/2244-212-0x0000000004280000-0x0000000004315000-memory.dmp	modiloader_stage2
behavioral2/memory/2244-213-0x0000000004280000-0x0000000004315000-memory.dmp	modiloader_stage2
behavioral2/memory/2244-217-0x0000000004280000-0x0000000004315000-memory.dmp	modiloader_stage2
behavioral2/memory/2244-218-0x0000000004280000-0x0000000004315000-memory.dmp	modiloader_stage2
behavioral2/memory/2244-215-0x0000000004280000-0x0000000004315000-memory.dmp	modiloader_stage2
behavioral2/memory/2244-219-0x0000000004280000-0x0000000004315000-memory.dmp	modiloader_stage2
behavioral2/memory/2244-220-0x0000000004280000-0x0000000004315000-memory.dmp	modiloader_stage2
behavioral2/memory/2244-221-0x0000000004280000-0x0000000004315000-memory.dmp	modiloader_stage2
behavioral2/memory/2244-222-0x0000000004280000-0x0000000004315000-memory.dmp	modiloader_stage2
behavioral2/memory/2244-223-0x0000000004280000-0x0000000004315000-memory.dmp	modiloader_stage2
behavioral2/memory/2244-224-0x0000000004280000-0x0000000004315000-memory.dmp	modiloader_stage2
behavioral2/memory/2244-225-0x0000000004280000-0x0000000004315000-memory.dmp	modiloader_stage2
behavioral2/memory/2244-226-0x0000000004280000-0x0000000004315000-memory.dmp	modiloader_stage2
behavioral2/memory/2244-227-0x0000000004280000-0x0000000004315000-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:

tmp.exe

description ioc process

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

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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

tmp.exe

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

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

System Information Discovery
T1082
Program crash 2 IoCs

Processes:

WerFault.exeWerFault.exe

pid pid_target process target process

2408 4956 WerFault.exe cmd.exe
3040 4956 WerFault.exe cmd.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

tmp.exe

pid process

2244 tmp.exe
2244 tmp.exe

pid	pid_target	process	target process
2408	4956	WerFault.exe	cmd.exe
3040	4956	WerFault.exe	cmd.exe

pid	process
2244	tmp.exe
2244	tmp.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

tmp.exe

description	pid	process	target process
PID 2244 wrote to memory of 4956	2244	tmp.exe	cmd.exe
PID 2244 wrote to memory of 4956	2244	tmp.exe	cmd.exe
PID 2244 wrote to memory of 4956	2244	tmp.exe	cmd.exe
PID 2244 wrote to memory of 4956	2244	tmp.exe	cmd.exe
PID 2244 wrote to memory of 4956	2244	tmp.exe	cmd.exe
PID 2244 wrote to memory of 4956	2244	tmp.exe	cmd.exe
PID 2244 wrote to memory of 4956	2244	tmp.exe	cmd.exe
PID 2244 wrote to memory of 4956	2244	tmp.exe	cmd.exe
PID 2244 wrote to memory of 4956	2244	tmp.exe	cmd.exe
PID 2244 wrote to memory of 4956	2244	tmp.exe	cmd.exe
PID 2244 wrote to memory of 4956	2244	tmp.exe	cmd.exe
PID 2244 wrote to memory of 4956	2244	tmp.exe	cmd.exe
PID 2244 wrote to memory of 4956	2244	tmp.exe	cmd.exe
PID 2244 wrote to memory of 4956	2244	tmp.exe	cmd.exe
PID 2244 wrote to memory of 4956	2244	tmp.exe	cmd.exe
PID 2244 wrote to memory of 4956	2244	tmp.exe	cmd.exe
PID 2244 wrote to memory of 4956	2244	tmp.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2244

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe"
2⤵
PID:4956

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4956 -s 552
3⤵
- Program crash
PID:2408

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4956 -s 560
3⤵
- Program crash
PID:3040

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4956 -ip 4956
1⤵
PID:3008

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 4956 -ip 4956
1⤵
PID:1460

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

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/2244-192-0x0000000004280000-0x0000000004315000-memory.dmp

Filesize
596KB

Download
memory/2244-173-0x0000000004280000-0x0000000004315000-memory.dmp

Filesize
596KB

Download
memory/2244-162-0x0000000004280000-0x0000000004315000-memory.dmp

Filesize
596KB

Download
memory/2244-163-0x0000000004280000-0x0000000004315000-memory.dmp

Filesize
596KB

Download
memory/2244-164-0x0000000004280000-0x0000000004315000-memory.dmp

Filesize
596KB

Download
memory/2244-165-0x0000000004280000-0x0000000004315000-memory.dmp

Filesize
596KB

Download
memory/2244-166-0x0000000004280000-0x0000000004315000-memory.dmp

Filesize
596KB

Download
memory/2244-167-0x0000000004280000-0x0000000004315000-memory.dmp

Filesize
596KB

Download
memory/2244-168-0x0000000004280000-0x0000000004315000-memory.dmp

Filesize
596KB

Download
memory/2244-169-0x0000000004280000-0x0000000004315000-memory.dmp

Filesize
596KB

Download
memory/2244-170-0x0000000004280000-0x0000000004315000-memory.dmp

Filesize
596KB

Download
memory/2244-171-0x0000000004280000-0x0000000004315000-memory.dmp

Filesize
596KB

Download
memory/2244-172-0x0000000004280000-0x0000000004315000-memory.dmp

Filesize
596KB

Download
memory/2244-193-0x0000000004280000-0x0000000004315000-memory.dmp

Filesize
596KB

Download
memory/2244-174-0x0000000004280000-0x0000000004315000-memory.dmp

Filesize
596KB

Download
memory/2244-175-0x0000000004280000-0x0000000004315000-memory.dmp

Filesize
596KB

Download
memory/2244-176-0x0000000004280000-0x0000000004315000-memory.dmp

Filesize
596KB

Download
memory/2244-177-0x0000000004280000-0x0000000004315000-memory.dmp

Filesize
596KB

Download
memory/2244-178-0x0000000004280000-0x0000000004315000-memory.dmp

Filesize
596KB

Download
memory/2244-179-0x0000000004280000-0x0000000004315000-memory.dmp

Filesize
596KB

Download
memory/2244-180-0x0000000004280000-0x0000000004315000-memory.dmp

Filesize
596KB

Download
memory/2244-181-0x0000000004280000-0x0000000004315000-memory.dmp

Filesize
596KB

Download
memory/2244-182-0x0000000004280000-0x0000000004315000-memory.dmp

Filesize
596KB

Download
memory/2244-183-0x0000000004280000-0x0000000004315000-memory.dmp

Filesize
596KB

Download
memory/2244-184-0x0000000004280000-0x0000000004315000-memory.dmp

Filesize
596KB

Download
memory/2244-185-0x0000000004280000-0x0000000004315000-memory.dmp

Filesize
596KB

Download
memory/2244-186-0x0000000004280000-0x0000000004315000-memory.dmp

Filesize
596KB

Download
memory/2244-187-0x0000000004280000-0x0000000004315000-memory.dmp

Filesize
596KB

Download
memory/2244-188-0x0000000004280000-0x0000000004315000-memory.dmp

Filesize
596KB

Download
memory/2244-189-0x0000000004280000-0x0000000004315000-memory.dmp

Filesize
596KB

Download
memory/2244-194-0x0000000004280000-0x0000000004315000-memory.dmp

Filesize
596KB

Download
memory/2244-191-0x0000000004280000-0x0000000004315000-memory.dmp

Filesize
596KB

Download
memory/2244-196-0x0000000004280000-0x0000000004315000-memory.dmp

Filesize
596KB

Download
memory/2244-161-0x0000000004280000-0x0000000004315000-memory.dmp

Filesize
596KB

Download
memory/2244-190-0x0000000004280000-0x0000000004315000-memory.dmp

Filesize
596KB

Download
memory/2244-195-0x0000000004280000-0x0000000004315000-memory.dmp

Filesize
596KB

Download
memory/2244-197-0x0000000004280000-0x0000000004315000-memory.dmp

Filesize
596KB

Download
memory/2244-148-0x0000000004280000-0x0000000004315000-memory.dmp

Filesize
596KB

Download
memory/2244-198-0x0000000004280000-0x0000000004315000-memory.dmp

Filesize
596KB

Download
memory/2244-199-0x0000000004280000-0x0000000004315000-memory.dmp

Filesize
596KB

Download
memory/2244-200-0x0000000004280000-0x0000000004315000-memory.dmp

Filesize
596KB

Download
memory/2244-202-0x0000000004280000-0x0000000004315000-memory.dmp

Filesize
596KB

Download
memory/2244-203-0x0000000004280000-0x0000000004315000-memory.dmp

Filesize
596KB

Download
memory/2244-204-0x0000000004280000-0x0000000004315000-memory.dmp

Filesize
596KB

Download
memory/2244-201-0x0000000004280000-0x0000000004315000-memory.dmp

Filesize
596KB

Download
memory/2244-207-0x00000000505A0000-0x00000000505C7000-memory.dmp

Filesize
156KB

Download
memory/2244-210-0x0000000004280000-0x0000000004315000-memory.dmp

Filesize
596KB

Download
memory/2244-209-0x0000000004280000-0x0000000004315000-memory.dmp

Filesize
596KB

Download
memory/2244-211-0x0000000004280000-0x0000000004315000-memory.dmp

Filesize
596KB

Download
memory/2244-212-0x0000000004280000-0x0000000004315000-memory.dmp

Filesize
596KB

Download
memory/2244-213-0x0000000004280000-0x0000000004315000-memory.dmp

Filesize
596KB

Download
memory/2244-217-0x0000000004280000-0x0000000004315000-memory.dmp

Filesize
596KB

Download
memory/2244-218-0x0000000004280000-0x0000000004315000-memory.dmp

Filesize
596KB

Download
memory/2244-215-0x0000000004280000-0x0000000004315000-memory.dmp

Filesize
596KB

Download
memory/2244-227-0x0000000004280000-0x0000000004315000-memory.dmp

Filesize
596KB

Download
memory/2244-219-0x0000000004280000-0x0000000004315000-memory.dmp

Filesize
596KB

Download
memory/2244-220-0x0000000004280000-0x0000000004315000-memory.dmp

Filesize
596KB

Download
memory/2244-221-0x0000000004280000-0x0000000004315000-memory.dmp

Filesize
596KB

Download
memory/2244-222-0x0000000004280000-0x0000000004315000-memory.dmp

Filesize
596KB

Download
memory/2244-223-0x0000000004280000-0x0000000004315000-memory.dmp

Filesize
596KB

Download
memory/2244-224-0x0000000004280000-0x0000000004315000-memory.dmp

Filesize
596KB

Download
memory/2244-225-0x0000000004280000-0x0000000004315000-memory.dmp

Filesize
596KB

Download
memory/2244-226-0x0000000004280000-0x0000000004315000-memory.dmp

Filesize
596KB

Download
memory/4956-205-0x0000000000000000-mapping.dmp

Download
memory/4956-214-0x00000000505A0000-0x00000000505C7000-memory.dmp

Filesize
156KB

Download
memory/4956-216-0x0000000001510000-0x0000000001527000-memory.dmp

Filesize
92KB

Download