modiloader | 4d8f8def81704bbd8e31779ecb3b8d25f0d8bc0d2a3dbd55c1f18217dd1ecf5f

General

Target

swift103.exe
Size

1.1MB
MD5

8983a4b99c0e4d0f73ff5d266dd67530
SHA1

aeea9b73d6e3da69bc813f8631da539bb68e5a45
SHA256

4d8f8def81704bbd8e31779ecb3b8d25f0d8bc0d2a3dbd55c1f18217dd1ecf5f
SHA512

3d9dc1abf87ccb3ec3d686fb412af94230820bd550abd3fd16aeedc09cb255342904ee82d67e639056d31522d778db4bb0c7abc2978e808a7d4904fbe9168366
SSDEEP

12288:NtN+qFRD49GYo3EU9Aj4aNJqASiMOUS+6IjfG80A5ZXYsLgzCROfekqQz/sYgVgw:NLX89GZ9Na2lO0Zf1/VgOk1zkfVc1M

Score

10^/10

modiloader remcos april persistence rat trojan

Malware Config

Extracted

Family

remcos

Botnet

APRIL

C2

mrbigice.hopto.org:3453

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
remcos
mouse_option
false
mutex
Rmc-N5A2Q9
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
startup_value
toolz
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
behavioral1/memory/1560-54-0x0000000002240000-0x00000000022DF000-memory.dmp	modiloader_stage2

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

swift103.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Windows\CurrentVersion\Run\Mxecq = "C:\\Users\\Public\\Libraries\\qcexM.url"	swift103.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

796 1512 WerFault.exe wscript.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

swift103.exe

pid process

1560 swift103.exe

pid	pid_target	process	target process
796	1512	WerFault.exe	wscript.exe

pid	process
1560	swift103.exe

Suspicious use of WriteProcessMemory 22 IoCs

Processes:

swift103.exewscript.exe

description	pid	process	target process
PID 1560 wrote to memory of 1512	1560	swift103.exe	wscript.exe
PID 1560 wrote to memory of 1512	1560	swift103.exe	wscript.exe
PID 1560 wrote to memory of 1512	1560	swift103.exe	wscript.exe
PID 1560 wrote to memory of 1512	1560	swift103.exe	wscript.exe
PID 1560 wrote to memory of 1512	1560	swift103.exe	wscript.exe
PID 1560 wrote to memory of 1512	1560	swift103.exe	wscript.exe
PID 1560 wrote to memory of 1512	1560	swift103.exe	wscript.exe
PID 1560 wrote to memory of 1512	1560	swift103.exe	wscript.exe
PID 1560 wrote to memory of 1512	1560	swift103.exe	wscript.exe
PID 1560 wrote to memory of 1512	1560	swift103.exe	wscript.exe
PID 1560 wrote to memory of 1512	1560	swift103.exe	wscript.exe
PID 1560 wrote to memory of 1512	1560	swift103.exe	wscript.exe
PID 1560 wrote to memory of 1512	1560	swift103.exe	wscript.exe
PID 1560 wrote to memory of 1512	1560	swift103.exe	wscript.exe
PID 1560 wrote to memory of 1512	1560	swift103.exe	wscript.exe
PID 1560 wrote to memory of 1512	1560	swift103.exe	wscript.exe
PID 1560 wrote to memory of 1512	1560	swift103.exe	wscript.exe
PID 1560 wrote to memory of 1512	1560	swift103.exe	wscript.exe
PID 1512 wrote to memory of 796	1512	wscript.exe	WerFault.exe
PID 1512 wrote to memory of 796	1512	wscript.exe	WerFault.exe
PID 1512 wrote to memory of 796	1512	wscript.exe	WerFault.exe
PID 1512 wrote to memory of 796	1512	wscript.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\swift103.exe
"C:\Users\Admin\AppData\Local\Temp\swift103.exe"
1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1560
- C:\Windows\SysWOW64\wscript.exe
  C:\Windows\System32\wscript.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1512
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1512 -s 376
    3⤵
    - Program crash
    PID:796

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1512-61-0x0000000001CB0000-0x0000000001CB1000-memory.dmp

Filesize
4KB

Download
memory/1512-64-0x0000000001D10000-0x0000000001D11000-memory.dmp

Filesize
4KB

Download
memory/1512-69-0x0000000001D60000-0x0000000001D61000-memory.dmp

Filesize
4KB

Download
memory/1512-78-0x0000000010590000-0x000000001060F000-memory.dmp

Filesize
508KB

Download
memory/1512-81-0x0000000001DC0000-0x0000000001DC1000-memory.dmp

Filesize
4KB

Download
memory/1512-83-0x0000000010590000-0x000000001060F000-memory.dmp

Filesize
508KB

Download
memory/1512-84-0x0000000002030000-0x00000000020AC000-memory.dmp

Filesize
496KB

Download
memory/1560-54-0x0000000002240000-0x00000000022DF000-memory.dmp

Filesize
636KB

Download
memory/1560-56-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1560-57-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/1560-60-0x0000000010590000-0x000000001060F000-memory.dmp

Filesize
508KB

Download
memory/1560-77-0x0000000010590000-0x000000001060F000-memory.dmp

Filesize
508KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads