modiloader | ec8ff87bec1c64b51d78c1f808b3c7a76e78ad73c7824a5ebcfd89c1a00179a6

General

Target

Document.exe
Size

797KB
MD5

ea64758c657b2494ccf084c30fc5a77a
SHA1

bbecd555e2cb1bed5b3021998f12fca5de58b2d0
SHA256

ec8ff87bec1c64b51d78c1f808b3c7a76e78ad73c7824a5ebcfd89c1a00179a6
SHA512

d1b2f833737b4d89df271ce4b0ebe9df9a9520e32885f5238584f8e38c279d9f28a46111589fe6fcf710c165e994dd5c69276c50b238e87f1ad176e2e68c6168

Score

10^/10

modiloader remcos remotehost persistence rat trojan

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

dash.3utilities.com:2404

dash1.3utilities.com:2404

dash2.ddns.net:2404

bash.mywire.org:2404

bash1.accesscam.org:2404

dash3.ddns.net:2404

dash4.ddns.net:2404

bash2.accessscam.org:2404

Attributes

audio_folder
MicRecords
audio_path
%AppData%
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
install_path
%AppData%
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
remcos
keylog_path
%AppData%
mouse_option
false
mutex
dashboard-6MIR0J
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
take_screenshot_title
notepad;solitaire;

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

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:

Document.exe

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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Document.exe

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

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

Drops file in System32 directory 4 IoCs

Processes:

cleanmgr.exe

description	ioc	process
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
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

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

System Information Discovery
T1082
Runs net.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

powershell.exeDocument.exe

pid process

4468 powershell.exe
4468 powershell.exe
4064 Document.exe
4064 Document.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 4468 powershell.exe

pid	process
4468	powershell.exe
4468	powershell.exe
4064	Document.exe
4064	Document.exe

description	pid	process
Token: SeDebugPrivilege	4468	powershell.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

Document.execmd.execmd.exenet.exe

description	pid	process	target process
PID 4064 wrote to memory of 224	4064	Document.exe	cmd.exe
PID 4064 wrote to memory of 224	4064	Document.exe	cmd.exe
PID 4064 wrote to memory of 224	4064	Document.exe	cmd.exe
PID 224 wrote to memory of 1360	224	cmd.exe	cmd.exe
PID 224 wrote to memory of 1360	224	cmd.exe	cmd.exe
PID 224 wrote to memory of 1360	224	cmd.exe	cmd.exe
PID 1360 wrote to memory of 2596	1360	cmd.exe	net.exe
PID 1360 wrote to memory of 2596	1360	cmd.exe	net.exe
PID 1360 wrote to memory of 2596	1360	cmd.exe	net.exe
PID 2596 wrote to memory of 4248	2596	net.exe	net1.exe
PID 2596 wrote to memory of 4248	2596	net.exe	net1.exe
PID 2596 wrote to memory of 4248	2596	net.exe	net1.exe
PID 1360 wrote to memory of 4468	1360	cmd.exe	powershell.exe
PID 1360 wrote to memory of 4468	1360	cmd.exe	powershell.exe
PID 1360 wrote to memory of 4468	1360	cmd.exe	powershell.exe
PID 4064 wrote to memory of 4632	4064	Document.exe	cleanmgr.exe
PID 4064 wrote to memory of 4632	4064	Document.exe	cleanmgr.exe
PID 4064 wrote to memory of 4632	4064	Document.exe	cleanmgr.exe
PID 4064 wrote to memory of 4632	4064	Document.exe	cleanmgr.exe
PID 4064 wrote to memory of 4632	4064	Document.exe	cleanmgr.exe
PID 4064 wrote to memory of 4632	4064	Document.exe	cleanmgr.exe
PID 4064 wrote to memory of 4632	4064	Document.exe	cleanmgr.exe
PID 4064 wrote to memory of 4632	4064	Document.exe	cleanmgr.exe
PID 4064 wrote to memory of 4632	4064	Document.exe	cleanmgr.exe
PID 4064 wrote to memory of 4632	4064	Document.exe	cleanmgr.exe
PID 4064 wrote to memory of 4632	4064	Document.exe	cleanmgr.exe
PID 4064 wrote to memory of 4632	4064	Document.exe	cleanmgr.exe
PID 4064 wrote to memory of 4632	4064	Document.exe	cleanmgr.exe
PID 4064 wrote to memory of 4632	4064	Document.exe	cleanmgr.exe
PID 4064 wrote to memory of 4632	4064	Document.exe	cleanmgr.exe

C:\Users\Admin\AppData\Local\Temp\Document.exe
"C:\Users\Admin\AppData\Local\Temp\Document.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4064

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Public\Libraries\Ulvyvlt.bat" "
2⤵
- Suspicious use of WriteProcessMemory
PID:224

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /K C:\Users\Public\Libraries\UlvyvlO.bat
3⤵
- Suspicious use of WriteProcessMemory
PID:1360

C:\Windows\SysWOW64\net.exe
net session
4⤵
- Suspicious use of WriteProcessMemory
PID:2596

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 session
5⤵
PID:4248

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
powershell -WindowStyle Hidden -inputformat none -outputformat none -NonInteractive -Command "Add-MpPreference -ExclusionPath 'C:\Users'"
4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4468

C:\Windows\SysWOW64\cleanmgr.exe
"C:\Windows\System32\cleanmgr.exe"
2⤵
- Enumerates connected drives
- Drops file in System32 directory
PID:4632

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

3

T1082

Peripheral Device Discovery

1

T1120

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Public\Libraries\Cdex.bat
Filesize
155B

MD5
213c60adf1c9ef88dc3c9b2d579959d2

SHA1
e4d2ad7b22b1a8b5b1f7a702b303c7364b0ee021

SHA256
37c59c8398279916cfce45f8c5e3431058248f5e3bef4d9f5c0f44a7d564f82e

SHA512
fe897d9caa306b0e761b2fd61bb5dc32a53bfaad1ce767c6860af4e3ad59c8f3257228a6e1072dab0f990cb51c59c648084ba419ac6bc5c0a99bdffa569217b7

Download Submit
C:\Users\Public\Libraries\UlvyvlO.bat
Filesize
1KB

MD5
df48c09f243ebcc8a165f77a1c2bf889

SHA1
455f7db0adcc2a58d006f1630fb0bd55cd868c07

SHA256
4ef9821678da07138c19405387f3fb95e409fbd461c7b8d847c05075facd63ca

SHA512
735838c7cca953697ded48adfcd037b7f198072a8962f5940ce12e1bb1c7dd8c1f257a829276f5f5456f776f5bd13342222dd6e0dfc8f18a23f464f2c8d8f1cc

Download Submit
C:\Users\Public\Libraries\Ulvyvlt.bat
Filesize
55B

MD5
9b70685868593285beb06eaad32bc83a

SHA1
183b4f5d1cadf370d3bf1679b3023b514ba55ea0

SHA256
40b967cdbb347ceff7da10099d7955cc7c0189fe8233c5f47f00a225a98f0c49

SHA512
6ed4dbdeb4d3e478f948e5ee8f0191f6608f15de3eec55f2c1144a40900ed054ecc37f0cb1f62016abc56e6127e10dec1e663a20416938adf051342724d004cd

Download Submit
memory/224-159-0x0000000000000000-mapping.dmp

Download
memory/1360-161-0x0000000000000000-mapping.dmp

Download
memory/2596-163-0x0000000000000000-mapping.dmp

Download
memory/4248-164-0x0000000000000000-mapping.dmp

Download
memory/4468-173-0x00000000065C0000-0x00000000065F2000-memory.dmp

Filesize
200KB

Download
memory/4468-177-0x0000000007300000-0x000000000731A000-memory.dmp

Filesize
104KB

Download
memory/4468-168-0x00000000052D0000-0x00000000058F8000-memory.dmp

Filesize
6.2MB

Download
memory/4468-169-0x0000000005160000-0x0000000005182000-memory.dmp

Filesize
136KB

Download
memory/4468-170-0x0000000005900000-0x0000000005966000-memory.dmp

Filesize
408KB

Download
memory/4468-171-0x00000000059E0000-0x0000000005A46000-memory.dmp

Filesize
408KB

Download
memory/4468-172-0x0000000006000000-0x000000000601E000-memory.dmp

Filesize
120KB

Download
memory/4468-166-0x0000000000000000-mapping.dmp

Download
memory/4468-174-0x000000006F8F0000-0x000000006F93C000-memory.dmp

Filesize
304KB

Download
memory/4468-175-0x00000000065A0000-0x00000000065BE000-memory.dmp

Filesize
120KB

Download
memory/4468-176-0x0000000007950000-0x0000000007FCA000-memory.dmp

Filesize
6.5MB

Download
memory/4468-167-0x0000000004C60000-0x0000000004C96000-memory.dmp

Filesize
216KB

Download
memory/4468-178-0x0000000007380000-0x000000000738A000-memory.dmp

Filesize
40KB

Download
memory/4468-179-0x0000000007570000-0x0000000007606000-memory.dmp

Filesize
600KB

Download
memory/4468-180-0x0000000007540000-0x000000000754E000-memory.dmp

Filesize
56KB

Download
memory/4468-181-0x0000000007630000-0x000000000764A000-memory.dmp

Filesize
104KB

Download
memory/4468-182-0x0000000007620000-0x0000000007628000-memory.dmp

Filesize
32KB

Download
memory/4632-183-0x0000000000000000-mapping.dmp

Download
memory/4632-184-0x0000000050590000-0x0000000050617000-memory.dmp

Filesize
540KB

Download
memory/4632-185-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download
memory/4632-186-0x0000000000400000-0x000000000047A000-memory.dmp

Filesize
488KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads