modiloader | c0c8c5d326f501e88abe18f5ec2f3d4401baa5520b9f8e4ab10d2b4f5d62abd3

Analysis

max time kernel
119s
max time network
121s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
05-12-2024 03:51

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

c0c8c5d326f501e88abe18f5ec2f3d4401baa5520b9f8e4ab10d2b4f5d62abd3.exe
Size

90KB
MD5

9f59b151103cbc258e6cd5f08912f0b0
SHA1

3f189599d23617bb425e7cbbaed7ec156913e22e
SHA256

c0c8c5d326f501e88abe18f5ec2f3d4401baa5520b9f8e4ab10d2b4f5d62abd3
SHA512

877eb41885d13c6d77fbe4951204702bf1f2cec827e9c98c425040d350283ea76d98bb8ca182c223486e59414d6fd812d9ece8f90de39f59e8af73538c9251a4
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDM:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3m

Score

10^/10

modiloader discovery persistence 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/3128-52-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3128-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3128-57-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3128-62-0x0000000000400000-0x0000000000414000-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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	c0c8c5d326f501e88abe18f5ec2f3d4401baa5520b9f8e4ab10d2b4f5d62abd3.exe

Executes dropped EXE 3 IoCs

pid	Process
1500	csrsll.exe
2284	csrsll.exe
3128	csrsll.exe

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-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Win Pdf = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\csrsll.exe"	reg.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3012 set thread context of 3988	3012	c0c8c5d326f501e88abe18f5ec2f3d4401baa5520b9f8e4ab10d2b4f5d62abd3.exe	86
PID 1500 set thread context of 2284	1500	csrsll.exe	95
PID 1500 set thread context of 3128	1500	csrsll.exe	96

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3012-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3012-4-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3988-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3988-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3012-11-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3988-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0008000000023cb7-29.dat	upx
behavioral2/memory/3988-39-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1500-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1500-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3128-50-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3128-45-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3128-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3128-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1500-56-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3988-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3128-57-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2284-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3128-62-0x0000000000400000-0x0000000000414000-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 7 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	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c0c8c5d326f501e88abe18f5ec2f3d4401baa5520b9f8e4ab10d2b4f5d62abd3.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c0c8c5d326f501e88abe18f5ec2f3d4401baa5520b9f8e4ab10d2b4f5d62abd3.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrsll.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2284	csrsll.exe
Token: SeDebugPrivilege	2284	csrsll.exe
Token: SeDebugPrivilege	2284	csrsll.exe
Token: SeDebugPrivilege	2284	csrsll.exe
Token: SeDebugPrivilege	2284	csrsll.exe
Token: SeDebugPrivilege	2284	csrsll.exe
Token: SeDebugPrivilege	2284	csrsll.exe
Token: SeDebugPrivilege	2284	csrsll.exe
Token: SeDebugPrivilege	2284	csrsll.exe
Token: SeDebugPrivilege	2284	csrsll.exe
Token: SeDebugPrivilege	2284	csrsll.exe
Token: SeDebugPrivilege	2284	csrsll.exe
Token: SeDebugPrivilege	2284	csrsll.exe
Token: SeDebugPrivilege	2284	csrsll.exe
Token: SeDebugPrivilege	2284	csrsll.exe
Token: SeDebugPrivilege	2284	csrsll.exe
Token: SeDebugPrivilege	2284	csrsll.exe
Token: SeDebugPrivilege	2284	csrsll.exe
Token: SeDebugPrivilege	2284	csrsll.exe
Token: SeDebugPrivilege	2284	csrsll.exe
Token: SeDebugPrivilege	2284	csrsll.exe
Token: SeDebugPrivilege	2284	csrsll.exe
Token: SeDebugPrivilege	2284	csrsll.exe
Token: SeDebugPrivilege	2284	csrsll.exe
Token: SeDebugPrivilege	2284	csrsll.exe
Token: SeDebugPrivilege	2284	csrsll.exe
Token: SeDebugPrivilege	2284	csrsll.exe
Token: SeDebugPrivilege	2284	csrsll.exe
Token: SeDebugPrivilege	2284	csrsll.exe
Token: SeDebugPrivilege	2284	csrsll.exe
Token: SeDebugPrivilege	2284	csrsll.exe
Token: SeDebugPrivilege	2284	csrsll.exe
Token: SeDebugPrivilege	2284	csrsll.exe
Token: SeDebugPrivilege	2284	csrsll.exe
Token: SeDebugPrivilege	2284	csrsll.exe
Token: SeDebugPrivilege	2284	csrsll.exe
Token: SeDebugPrivilege	2284	csrsll.exe
Token: SeDebugPrivilege	2284	csrsll.exe
Token: SeDebugPrivilege	2284	csrsll.exe
Token: SeDebugPrivilege	2284	csrsll.exe
Token: SeDebugPrivilege	2284	csrsll.exe
Token: SeDebugPrivilege	2284	csrsll.exe
Token: SeDebugPrivilege	2284	csrsll.exe
Token: SeDebugPrivilege	2284	csrsll.exe
Token: SeDebugPrivilege	2284	csrsll.exe
Token: SeDebugPrivilege	2284	csrsll.exe
Token: SeDebugPrivilege	2284	csrsll.exe
Token: SeDebugPrivilege	2284	csrsll.exe
Token: SeDebugPrivilege	2284	csrsll.exe
Token: SeDebugPrivilege	2284	csrsll.exe
Token: SeDebugPrivilege	2284	csrsll.exe
Token: SeDebugPrivilege	2284	csrsll.exe
Token: SeDebugPrivilege	2284	csrsll.exe
Token: SeDebugPrivilege	2284	csrsll.exe
Token: SeDebugPrivilege	2284	csrsll.exe
Token: SeDebugPrivilege	2284	csrsll.exe
Token: SeDebugPrivilege	2284	csrsll.exe
Token: SeDebugPrivilege	2284	csrsll.exe
Token: SeDebugPrivilege	2284	csrsll.exe
Token: SeDebugPrivilege	2284	csrsll.exe
Token: SeDebugPrivilege	2284	csrsll.exe
Token: SeDebugPrivilege	2284	csrsll.exe
Token: SeDebugPrivilege	2284	csrsll.exe
Token: SeDebugPrivilege	2284	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3012	c0c8c5d326f501e88abe18f5ec2f3d4401baa5520b9f8e4ab10d2b4f5d62abd3.exe
3988	c0c8c5d326f501e88abe18f5ec2f3d4401baa5520b9f8e4ab10d2b4f5d62abd3.exe
1500	csrsll.exe
2284	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 3012 wrote to memory of 3988	3012	c0c8c5d326f501e88abe18f5ec2f3d4401baa5520b9f8e4ab10d2b4f5d62abd3.exe	86
PID 3012 wrote to memory of 3988	3012	c0c8c5d326f501e88abe18f5ec2f3d4401baa5520b9f8e4ab10d2b4f5d62abd3.exe	86
PID 3012 wrote to memory of 3988	3012	c0c8c5d326f501e88abe18f5ec2f3d4401baa5520b9f8e4ab10d2b4f5d62abd3.exe	86
PID 3012 wrote to memory of 3988	3012	c0c8c5d326f501e88abe18f5ec2f3d4401baa5520b9f8e4ab10d2b4f5d62abd3.exe	86
PID 3012 wrote to memory of 3988	3012	c0c8c5d326f501e88abe18f5ec2f3d4401baa5520b9f8e4ab10d2b4f5d62abd3.exe	86
PID 3012 wrote to memory of 3988	3012	c0c8c5d326f501e88abe18f5ec2f3d4401baa5520b9f8e4ab10d2b4f5d62abd3.exe	86
PID 3012 wrote to memory of 3988	3012	c0c8c5d326f501e88abe18f5ec2f3d4401baa5520b9f8e4ab10d2b4f5d62abd3.exe	86
PID 3012 wrote to memory of 3988	3012	c0c8c5d326f501e88abe18f5ec2f3d4401baa5520b9f8e4ab10d2b4f5d62abd3.exe	86
PID 3988 wrote to memory of 2380	3988	c0c8c5d326f501e88abe18f5ec2f3d4401baa5520b9f8e4ab10d2b4f5d62abd3.exe	87
PID 3988 wrote to memory of 2380	3988	c0c8c5d326f501e88abe18f5ec2f3d4401baa5520b9f8e4ab10d2b4f5d62abd3.exe	87
PID 3988 wrote to memory of 2380	3988	c0c8c5d326f501e88abe18f5ec2f3d4401baa5520b9f8e4ab10d2b4f5d62abd3.exe	87
PID 2380 wrote to memory of 3264	2380	cmd.exe	90
PID 2380 wrote to memory of 3264	2380	cmd.exe	90
PID 2380 wrote to memory of 3264	2380	cmd.exe	90
PID 3988 wrote to memory of 1500	3988	c0c8c5d326f501e88abe18f5ec2f3d4401baa5520b9f8e4ab10d2b4f5d62abd3.exe	91
PID 3988 wrote to memory of 1500	3988	c0c8c5d326f501e88abe18f5ec2f3d4401baa5520b9f8e4ab10d2b4f5d62abd3.exe	91
PID 3988 wrote to memory of 1500	3988	c0c8c5d326f501e88abe18f5ec2f3d4401baa5520b9f8e4ab10d2b4f5d62abd3.exe	91
PID 1500 wrote to memory of 2284	1500	csrsll.exe	95
PID 1500 wrote to memory of 2284	1500	csrsll.exe	95
PID 1500 wrote to memory of 2284	1500	csrsll.exe	95
PID 1500 wrote to memory of 2284	1500	csrsll.exe	95
PID 1500 wrote to memory of 2284	1500	csrsll.exe	95
PID 1500 wrote to memory of 2284	1500	csrsll.exe	95
PID 1500 wrote to memory of 2284	1500	csrsll.exe	95
PID 1500 wrote to memory of 2284	1500	csrsll.exe	95
PID 1500 wrote to memory of 3128	1500	csrsll.exe	96
PID 1500 wrote to memory of 3128	1500	csrsll.exe	96
PID 1500 wrote to memory of 3128	1500	csrsll.exe	96
PID 1500 wrote to memory of 3128	1500	csrsll.exe	96
PID 1500 wrote to memory of 3128	1500	csrsll.exe	96
PID 1500 wrote to memory of 3128	1500	csrsll.exe	96
PID 1500 wrote to memory of 3128	1500	csrsll.exe	96
PID 1500 wrote to memory of 3128	1500	csrsll.exe	96

C:\Users\Admin\AppData\Local\Temp\c0c8c5d326f501e88abe18f5ec2f3d4401baa5520b9f8e4ab10d2b4f5d62abd3.exe
"C:\Users\Admin\AppData\Local\Temp\c0c8c5d326f501e88abe18f5ec2f3d4401baa5520b9f8e4ab10d2b4f5d62abd3.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3012
- C:\Users\Admin\AppData\Local\Temp\c0c8c5d326f501e88abe18f5ec2f3d4401baa5520b9f8e4ab10d2b4f5d62abd3.exe
  "C:\Users\Admin\AppData\Local\Temp\c0c8c5d326f501e88abe18f5ec2f3d4401baa5520b9f8e4ab10d2b4f5d62abd3.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3988
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\RFGBC.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2380
  - - 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⤵
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      PID:3264
- - C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1500
  - - C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:2284
  - - C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      PID:3128

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
ac9f7a96cbba8116013e0ca312d6359f

SHA1
980158c65104774e2f1ce0386b359cbb05e212a8

SHA256
c646a544ec392b363055a9f913d24eededfea9de126097e9918f1cf72c6aec91

SHA512
4ba5c15719f0f9ec92a184e1fe919c05375cc85d71592845af9c4da3fafa6ac3a10c02f1fd46035eba220ef86edf27ed422dc02d24be158990836e16dd05f0ce

Download Submit
memory/1500-56-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1500-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1500-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2284-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3012-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3012-4-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3012-5-0x0000000002920000-0x0000000002922000-memory.dmp

Filesize
8KB

Download
memory/3012-11-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3012-6-0x0000000002940000-0x0000000002942000-memory.dmp

Filesize
8KB

Download
memory/3012-3-0x0000000002900000-0x0000000002902000-memory.dmp

Filesize
8KB

Download
memory/3128-57-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3128-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3128-62-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3128-45-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3128-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3128-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3988-39-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3988-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3988-58-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/3988-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3988-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3988-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads