modiloader | eb83c43786cb3f9f76db660ac3a9e7f53c25285c81ae295569a93a7ce35ed4fd

General

Target

eb83c43786cb3f9f76db660ac3a9e7f53c25285c81ae295569a93a7ce35ed4fdN.exe
Size

90KB
MD5

60b78da61ddf51d14dd0183399d69f30
SHA1

bd0c76788f3c7eadfb0b8cda943eb5ca6a9d527e
SHA256

eb83c43786cb3f9f76db660ac3a9e7f53c25285c81ae295569a93a7ce35ed4fd
SHA512

6ab6a5fe4ac054dadafb84fcbbaeb0e7fa68c013382e4181ed9ffaf9e247d3924b44d79c467726ad8cb3cce80ecde9a2572e0032aaa26e6873b31c65cfac9822
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDy:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3E

Score

10^/10

modiloader discovery trojan upx

Malware Config

Signatures

ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
trojan modiloader
Modiloader family
modiloader

ModiLoader Second Stage 4 IoCs

resource	yara_rule
behavioral2/memory/4976-58-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4976-57-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4976-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4976-62-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4944 set thread context of 4840	4944	eb83c43786cb3f9f76db660ac3a9e7f53c25285c81ae295569a93a7ce35ed4fdN.exe	89

UPX packed file 19 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/4944-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4944-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4840-14-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4944-13-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4840-10-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4840-8-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000b000000023b42-37.dat	upx
behavioral2/memory/4840-40-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4976-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4840-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4976-58-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4976-57-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3208-56-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4976-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4976-47-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3208-42-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3208-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1876-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4976-62-0x0000000000400000-0x0000000000414000-memory.dmp	upx

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

System Information Discovery
T1082

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	eb83c43786cb3f9f76db660ac3a9e7f53c25285c81ae295569a93a7ce35ed4fdN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eb83c43786cb3f9f76db660ac3a9e7f53c25285c81ae295569a93a7ce35ed4fdN.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4944	eb83c43786cb3f9f76db660ac3a9e7f53c25285c81ae295569a93a7ce35ed4fdN.exe
4840	eb83c43786cb3f9f76db660ac3a9e7f53c25285c81ae295569a93a7ce35ed4fdN.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4944 wrote to memory of 4840	4944	eb83c43786cb3f9f76db660ac3a9e7f53c25285c81ae295569a93a7ce35ed4fdN.exe	89
PID 4944 wrote to memory of 4840	4944	eb83c43786cb3f9f76db660ac3a9e7f53c25285c81ae295569a93a7ce35ed4fdN.exe	89
PID 4944 wrote to memory of 4840	4944	eb83c43786cb3f9f76db660ac3a9e7f53c25285c81ae295569a93a7ce35ed4fdN.exe	89
PID 4944 wrote to memory of 4840	4944	eb83c43786cb3f9f76db660ac3a9e7f53c25285c81ae295569a93a7ce35ed4fdN.exe	89
PID 4944 wrote to memory of 4840	4944	eb83c43786cb3f9f76db660ac3a9e7f53c25285c81ae295569a93a7ce35ed4fdN.exe	89
PID 4944 wrote to memory of 4840	4944	eb83c43786cb3f9f76db660ac3a9e7f53c25285c81ae295569a93a7ce35ed4fdN.exe	89
PID 4944 wrote to memory of 4840	4944	eb83c43786cb3f9f76db660ac3a9e7f53c25285c81ae295569a93a7ce35ed4fdN.exe	89
PID 4944 wrote to memory of 4840	4944	eb83c43786cb3f9f76db660ac3a9e7f53c25285c81ae295569a93a7ce35ed4fdN.exe	89

C:\Users\Admin\AppData\Local\Temp\eb83c43786cb3f9f76db660ac3a9e7f53c25285c81ae295569a93a7ce35ed4fdN.exe
"C:\Users\Admin\AppData\Local\Temp\eb83c43786cb3f9f76db660ac3a9e7f53c25285c81ae295569a93a7ce35ed4fdN.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4944
- C:\Users\Admin\AppData\Local\Temp\eb83c43786cb3f9f76db660ac3a9e7f53c25285c81ae295569a93a7ce35ed4fdN.exe
  "C:\Users\Admin\AppData\Local\Temp\eb83c43786cb3f9f76db660ac3a9e7f53c25285c81ae295569a93a7ce35ed4fdN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:4840
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\YKSKT.bat" "
    3⤵
    PID:3040
  - - C:\Windows\SysWOW64\reg.exe
      REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Win Pdf" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe" /f
      4⤵
      PID:2212
- - C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
    3⤵
    PID:3208
  - - C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
      4⤵
      PID:1876
  - - C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
      4⤵
      PID:4976

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\YKSKT.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe

Filesize
90KB

MD5
28b84c1971efe9dff4ac5db6deadb588

SHA1
4a8a5e6a6d23bce4fc35aabeb54f50e1e93ddba3

SHA256
a06a013adb844b71095b5e647e357eb1d4f48ef87c920e29dd26258b137b28d4

SHA512
fef4543e84fba3e4f8583c1199cd497570afb2f3b851fe4b9d0ffab831b03fc0dec1c4a55031dcbd317b0809b275ca795ad0e562b9b30bd819ef2bfb850a2af9

Download Submit
memory/1876-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3208-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3208-42-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3208-56-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4840-14-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4840-10-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4840-8-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4840-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4840-40-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4944-7-0x0000000002A50000-0x0000000002A52000-memory.dmp

Filesize
8KB

Download
memory/4944-3-0x00000000021C0000-0x00000000021C2000-memory.dmp

Filesize
8KB

Download
memory/4944-4-0x00000000022E0000-0x00000000022E2000-memory.dmp

Filesize
8KB

Download
memory/4944-6-0x0000000002A40000-0x0000000002A42000-memory.dmp

Filesize
8KB

Download
memory/4944-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4944-13-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4944-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4976-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4976-58-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4976-57-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4976-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4976-47-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4976-62-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

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