modiloader | 3826a668ed94df39283862ae7e85757695cf2724531083e068a3947fc052c1a9

General

Target

PDF 86812376724_PO.exe
Size

561KB
MD5

28fdba7295380d922ef4db0deda34705
SHA1

69a33211d1b5b375e886bfb2ab2eadad79e1f61c
SHA256

95935a1ae37717226eb2b3d7c53a97cdabe5e9b28d370237f7badef2820ff29b
SHA512

664244459e0da68779b567ea297909169b2f9f9852d1664c8b18bfdc239b4342723cee2b21c4fd631cee9ef2e37354368a19ada74af34db9fb4319b1be684ca3
SSDEEP

12288:iP2oEhUMrM7FX/SdjY3ZrL26hnkKVJxgkI+:iuzUMrYXaBKX1kKVEkI

Score

10^/10

modiloader remcos aaaaaaaaaaa discovery persistence rat trojan

Malware Config

Extracted

Family

remcos

Version

2.7.0 Pro

Botnet

AAAAAAAAAAA

C2

incidencias6645.ddns.net:8638

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
Remcos-Y8P2FO
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
wikipedia;solitaire;

Signatures

ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
trojan modiloader
Modiloader family
modiloader
Remcos
Remcos is a closed-source remote control and surveillance software.
rat remcos
Remcos family
remcos

ModiLoader Second Stage 1 IoCs

resource	yara_rule
behavioral2/memory/1052-18-0x00000000032C0000-0x0000000003316000-memory.dmp	modiloader_stage2

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Nijn = "C:\\Users\\Admin\\AppData\\Local\\njiN.url"	PDF 86812376724_PO.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 IoCs

Web Service

T1102

flow	ioc
22	drive.google.com
23	drive.google.com
20	discord.com

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PDF 86812376724_PO.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ieinstal.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4260	ieinstal.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1052 wrote to memory of 4260	1052	PDF 86812376724_PO.exe	98
PID 1052 wrote to memory of 4260	1052	PDF 86812376724_PO.exe	98
PID 1052 wrote to memory of 4260	1052	PDF 86812376724_PO.exe	98
PID 1052 wrote to memory of 4260	1052	PDF 86812376724_PO.exe	98
PID 1052 wrote to memory of 4260	1052	PDF 86812376724_PO.exe	98
PID 1052 wrote to memory of 4260	1052	PDF 86812376724_PO.exe	98
PID 1052 wrote to memory of 4260	1052	PDF 86812376724_PO.exe	98
PID 1052 wrote to memory of 4260	1052	PDF 86812376724_PO.exe	98
PID 1052 wrote to memory of 4260	1052	PDF 86812376724_PO.exe	98
PID 1052 wrote to memory of 4260	1052	PDF 86812376724_PO.exe	98
PID 1052 wrote to memory of 4260	1052	PDF 86812376724_PO.exe	98
PID 1052 wrote to memory of 4260	1052	PDF 86812376724_PO.exe	98
PID 1052 wrote to memory of 4260	1052	PDF 86812376724_PO.exe	98
PID 1052 wrote to memory of 4260	1052	PDF 86812376724_PO.exe	98
PID 1052 wrote to memory of 4260	1052	PDF 86812376724_PO.exe	98

C:\Users\Admin\AppData\Local\Temp\PDF 86812376724_PO.exe
"C:\Users\Admin\AppData\Local\Temp\PDF 86812376724_PO.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1052
- C:\Program Files (x86)\internet explorer\ieinstal.exe
  "C:\Program Files (x86)\internet explorer\ieinstal.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:4260

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\remcos\logs.dat

Filesize
74B

MD5
184a0ebca43dabeae5caabf7057e2edc

SHA1
24bc92e3db4f2456ae7bc54658489950cba53d23

SHA256
d48d831655e5f49160dd50d009de97ab9d87c132c6b9d3818663b8b2dbcebb48

SHA512
e1370d1415353d10facbeef406f183af3c6339d712e13367cadbf5ece421803ca901808eee3ab9f1ce4b082efb010c4606bfe5f3e039e8652b02ee19b4c2a953

Download Submit
memory/1052-33-0x0000000010540000-0x0000000010564000-memory.dmp

Filesize
144KB

Download
memory/1052-2-0x0000000000650000-0x0000000000651000-memory.dmp

Filesize
4KB

Download
memory/1052-1-0x0000000000400000-0x0000000000492000-memory.dmp

Filesize
584KB

Download
memory/1052-3-0x0000000000400000-0x0000000000492000-memory.dmp

Filesize
584KB

Download
memory/1052-18-0x00000000032C0000-0x0000000003316000-memory.dmp

Filesize
344KB

Download
memory/1052-0-0x0000000000650000-0x0000000000651000-memory.dmp

Filesize
4KB

Download
memory/4260-42-0x0000000000890000-0x00000000008B2000-memory.dmp

Filesize
136KB

Download
memory/4260-47-0x0000000000890000-0x00000000008B2000-memory.dmp

Filesize
136KB

Download
memory/4260-37-0x0000000000890000-0x00000000008B2000-memory.dmp

Filesize
136KB

Download
memory/4260-41-0x0000000000890000-0x00000000008B2000-memory.dmp

Filesize
136KB

Download
memory/4260-38-0x0000000000890000-0x00000000008B2000-memory.dmp

Filesize
136KB

Download
memory/4260-28-0x00000000003D0000-0x00000000003D1000-memory.dmp

Filesize
4KB

Download
memory/4260-43-0x0000000010540000-0x0000000010564000-memory.dmp

Filesize
144KB

Download
memory/4260-45-0x0000000000890000-0x00000000008B2000-memory.dmp

Filesize
136KB

Download
memory/4260-46-0x0000000000890000-0x00000000008B2000-memory.dmp

Filesize
136KB

Download
memory/4260-35-0x0000000000370000-0x0000000000371000-memory.dmp

Filesize
4KB

Download
memory/4260-50-0x0000000000890000-0x00000000008B2000-memory.dmp

Filesize
136KB

Download
memory/4260-56-0x0000000000890000-0x00000000008B2000-memory.dmp

Filesize
136KB

Download
memory/4260-27-0x0000000000310000-0x0000000000311000-memory.dmp

Filesize
4KB

Download
memory/4260-59-0x0000000000890000-0x00000000008B2000-memory.dmp

Filesize
136KB

Download
memory/4260-62-0x0000000000890000-0x00000000008B2000-memory.dmp

Filesize
136KB

Download
memory/4260-69-0x0000000000890000-0x00000000008B2000-memory.dmp

Filesize
136KB

Download
memory/4260-75-0x0000000000890000-0x00000000008B2000-memory.dmp

Filesize
136KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads