modiloader | 8111cd53b0d266c395e1f95b2219796ec19851db7b57710d90281909566fea84

Analysis

max time kernel
119s
max time network
118s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
16-09-2024 22:26

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

8111cd53b0d266c395e1f95b2219796ec19851db7b57710d90281909566fea84N.exe
Size

90KB
MD5

5ecfd1424bb1f62a376b030fc1c2e460
SHA1

94804b128a8b10d7a0cd0561ac6216d30c39b40c
SHA256

8111cd53b0d266c395e1f95b2219796ec19851db7b57710d90281909566fea84
SHA512

c332870dc542952ab4b60d84f96a966572ef04e5809f5eea546fb90fcbbcdae5bf1b589fc431635d2292949f2714c74e45cb13d03797f009af809aa5edb3a521
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDK:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3Y

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 Second Stage 1 IoCs

resource	yara_rule
behavioral1/memory/1284-261-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
1124	csrsll.exe
1616	csrsll.exe
1284	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
2416	8111cd53b0d266c395e1f95b2219796ec19851db7b57710d90281909566fea84N.exe
2416	8111cd53b0d266c395e1f95b2219796ec19851db7b57710d90281909566fea84N.exe
2416	8111cd53b0d266c395e1f95b2219796ec19851db7b57710d90281909566fea84N.exe
2416	8111cd53b0d266c395e1f95b2219796ec19851db7b57710d90281909566fea84N.exe
2416	8111cd53b0d266c395e1f95b2219796ec19851db7b57710d90281909566fea84N.exe

UPX packed file 22 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2008-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2008-91-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2008-82-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2008-79-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2008-26-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2416-108-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2416-106-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2416-104-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2008-102-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2416-101-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2416-96-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2416-94-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x00080000000120fe-134.dat	upx
behavioral1/memory/2416-142-0x0000000003220000-0x0000000003273000-memory.dmp	upx
behavioral1/memory/2416-136-0x0000000003220000-0x0000000003273000-memory.dmp	upx
behavioral1/memory/2416-154-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1124-224-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1284-254-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/2416-250-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1124-246-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1616-258-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1284-261-0x0000000000400000-0x0000000000414000-memory.dmp	upx

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-1-5-21-2703099537-420551529-3771253338-1000\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 2008 set thread context of 2416	2008	8111cd53b0d266c395e1f95b2219796ec19851db7b57710d90281909566fea84N.exe	30
PID 1124 set thread context of 1616	1124	csrsll.exe	35
PID 1124 set thread context of 1284	1124	csrsll.exe	36

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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
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	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8111cd53b0d266c395e1f95b2219796ec19851db7b57710d90281909566fea84N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8111cd53b0d266c395e1f95b2219796ec19851db7b57710d90281909566fea84N.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	1616	csrsll.exe
Token: SeDebugPrivilege	1616	csrsll.exe
Token: SeDebugPrivilege	1616	csrsll.exe
Token: SeDebugPrivilege	1616	csrsll.exe
Token: SeDebugPrivilege	1616	csrsll.exe
Token: SeDebugPrivilege	1616	csrsll.exe
Token: SeDebugPrivilege	1616	csrsll.exe
Token: SeDebugPrivilege	1616	csrsll.exe
Token: SeDebugPrivilege	1616	csrsll.exe
Token: SeDebugPrivilege	1616	csrsll.exe
Token: SeDebugPrivilege	1616	csrsll.exe
Token: SeDebugPrivilege	1616	csrsll.exe
Token: SeDebugPrivilege	1616	csrsll.exe
Token: SeDebugPrivilege	1616	csrsll.exe
Token: SeDebugPrivilege	1616	csrsll.exe
Token: SeDebugPrivilege	1616	csrsll.exe
Token: SeDebugPrivilege	1616	csrsll.exe
Token: SeDebugPrivilege	1616	csrsll.exe
Token: SeDebugPrivilege	1616	csrsll.exe
Token: SeDebugPrivilege	1616	csrsll.exe
Token: SeDebugPrivilege	1616	csrsll.exe
Token: SeDebugPrivilege	1616	csrsll.exe
Token: SeDebugPrivilege	1616	csrsll.exe
Token: SeDebugPrivilege	1616	csrsll.exe
Token: SeDebugPrivilege	1616	csrsll.exe
Token: SeDebugPrivilege	1616	csrsll.exe
Token: SeDebugPrivilege	1616	csrsll.exe
Token: SeDebugPrivilege	1616	csrsll.exe
Token: SeDebugPrivilege	1616	csrsll.exe
Token: SeDebugPrivilege	1616	csrsll.exe
Token: SeDebugPrivilege	1616	csrsll.exe
Token: SeDebugPrivilege	1616	csrsll.exe
Token: SeDebugPrivilege	1616	csrsll.exe
Token: SeDebugPrivilege	1616	csrsll.exe
Token: SeDebugPrivilege	1616	csrsll.exe
Token: SeDebugPrivilege	1616	csrsll.exe
Token: SeDebugPrivilege	1616	csrsll.exe
Token: SeDebugPrivilege	1616	csrsll.exe
Token: SeDebugPrivilege	1616	csrsll.exe
Token: SeDebugPrivilege	1616	csrsll.exe
Token: SeDebugPrivilege	1616	csrsll.exe
Token: SeDebugPrivilege	1616	csrsll.exe
Token: SeDebugPrivilege	1616	csrsll.exe
Token: SeDebugPrivilege	1616	csrsll.exe
Token: SeDebugPrivilege	1616	csrsll.exe
Token: SeDebugPrivilege	1616	csrsll.exe
Token: SeDebugPrivilege	1616	csrsll.exe
Token: SeDebugPrivilege	1616	csrsll.exe
Token: SeDebugPrivilege	1616	csrsll.exe
Token: SeDebugPrivilege	1616	csrsll.exe
Token: SeDebugPrivilege	1616	csrsll.exe
Token: SeDebugPrivilege	1616	csrsll.exe
Token: SeDebugPrivilege	1616	csrsll.exe
Token: SeDebugPrivilege	1616	csrsll.exe
Token: SeDebugPrivilege	1616	csrsll.exe
Token: SeDebugPrivilege	1616	csrsll.exe
Token: SeDebugPrivilege	1616	csrsll.exe
Token: SeDebugPrivilege	1616	csrsll.exe
Token: SeDebugPrivilege	1616	csrsll.exe
Token: SeDebugPrivilege	1616	csrsll.exe
Token: SeDebugPrivilege	1616	csrsll.exe
Token: SeDebugPrivilege	1616	csrsll.exe
Token: SeDebugPrivilege	1616	csrsll.exe
Token: SeDebugPrivilege	1616	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2008	8111cd53b0d266c395e1f95b2219796ec19851db7b57710d90281909566fea84N.exe
2416	8111cd53b0d266c395e1f95b2219796ec19851db7b57710d90281909566fea84N.exe
1124	csrsll.exe
1616	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2008 wrote to memory of 2416	2008	8111cd53b0d266c395e1f95b2219796ec19851db7b57710d90281909566fea84N.exe	30
PID 2008 wrote to memory of 2416	2008	8111cd53b0d266c395e1f95b2219796ec19851db7b57710d90281909566fea84N.exe	30
PID 2008 wrote to memory of 2416	2008	8111cd53b0d266c395e1f95b2219796ec19851db7b57710d90281909566fea84N.exe	30
PID 2008 wrote to memory of 2416	2008	8111cd53b0d266c395e1f95b2219796ec19851db7b57710d90281909566fea84N.exe	30
PID 2008 wrote to memory of 2416	2008	8111cd53b0d266c395e1f95b2219796ec19851db7b57710d90281909566fea84N.exe	30
PID 2008 wrote to memory of 2416	2008	8111cd53b0d266c395e1f95b2219796ec19851db7b57710d90281909566fea84N.exe	30
PID 2008 wrote to memory of 2416	2008	8111cd53b0d266c395e1f95b2219796ec19851db7b57710d90281909566fea84N.exe	30
PID 2008 wrote to memory of 2416	2008	8111cd53b0d266c395e1f95b2219796ec19851db7b57710d90281909566fea84N.exe	30
PID 2416 wrote to memory of 1260	2416	8111cd53b0d266c395e1f95b2219796ec19851db7b57710d90281909566fea84N.exe	31
PID 2416 wrote to memory of 1260	2416	8111cd53b0d266c395e1f95b2219796ec19851db7b57710d90281909566fea84N.exe	31
PID 2416 wrote to memory of 1260	2416	8111cd53b0d266c395e1f95b2219796ec19851db7b57710d90281909566fea84N.exe	31
PID 2416 wrote to memory of 1260	2416	8111cd53b0d266c395e1f95b2219796ec19851db7b57710d90281909566fea84N.exe	31
PID 1260 wrote to memory of 2792	1260	cmd.exe	33
PID 1260 wrote to memory of 2792	1260	cmd.exe	33
PID 1260 wrote to memory of 2792	1260	cmd.exe	33
PID 1260 wrote to memory of 2792	1260	cmd.exe	33
PID 2416 wrote to memory of 1124	2416	8111cd53b0d266c395e1f95b2219796ec19851db7b57710d90281909566fea84N.exe	34
PID 2416 wrote to memory of 1124	2416	8111cd53b0d266c395e1f95b2219796ec19851db7b57710d90281909566fea84N.exe	34
PID 2416 wrote to memory of 1124	2416	8111cd53b0d266c395e1f95b2219796ec19851db7b57710d90281909566fea84N.exe	34
PID 2416 wrote to memory of 1124	2416	8111cd53b0d266c395e1f95b2219796ec19851db7b57710d90281909566fea84N.exe	34
PID 1124 wrote to memory of 1616	1124	csrsll.exe	35
PID 1124 wrote to memory of 1616	1124	csrsll.exe	35
PID 1124 wrote to memory of 1616	1124	csrsll.exe	35
PID 1124 wrote to memory of 1616	1124	csrsll.exe	35
PID 1124 wrote to memory of 1616	1124	csrsll.exe	35
PID 1124 wrote to memory of 1616	1124	csrsll.exe	35
PID 1124 wrote to memory of 1616	1124	csrsll.exe	35
PID 1124 wrote to memory of 1616	1124	csrsll.exe	35
PID 1124 wrote to memory of 1284	1124	csrsll.exe	36
PID 1124 wrote to memory of 1284	1124	csrsll.exe	36
PID 1124 wrote to memory of 1284	1124	csrsll.exe	36
PID 1124 wrote to memory of 1284	1124	csrsll.exe	36
PID 1124 wrote to memory of 1284	1124	csrsll.exe	36
PID 1124 wrote to memory of 1284	1124	csrsll.exe	36
PID 1124 wrote to memory of 1284	1124	csrsll.exe	36
PID 1124 wrote to memory of 1284	1124	csrsll.exe	36

C:\Users\Admin\AppData\Local\Temp\8111cd53b0d266c395e1f95b2219796ec19851db7b57710d90281909566fea84N.exe
"C:\Users\Admin\AppData\Local\Temp\8111cd53b0d266c395e1f95b2219796ec19851db7b57710d90281909566fea84N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2008
- C:\Users\Admin\AppData\Local\Temp\8111cd53b0d266c395e1f95b2219796ec19851db7b57710d90281909566fea84N.exe
  "C:\Users\Admin\AppData\Local\Temp\8111cd53b0d266c395e1f95b2219796ec19851db7b57710d90281909566fea84N.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2416
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\DIYWF.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1260
  - - 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:2792
- - 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:1124
  - - 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:1616
  - - 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:1284

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

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\DIYWF.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
9bf28757a77f4510dddd74edccfaa6d6

SHA1
9eccbaff375f67a0629411057c07daf42c16935d

SHA256
6f4ff5f8ca1df0c3f77523f52874324ddad4361e12e6f16dd89ec26b31954beb

SHA512
317391aeeef0992579ca35addec011a766dcf0a5352ae602df2f44c2571cb597ee68cabb0e7a028cf3d86bbadadcefa7d07297cfb6ed84a5cbde6f0a9c36db76

Download Submit
memory/1124-246-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1124-224-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1124-168-0x00000000003F0000-0x00000000003F1000-memory.dmp

Filesize
4KB

Download
memory/1124-158-0x00000000003D0000-0x00000000003D1000-memory.dmp

Filesize
4KB

Download
memory/1284-261-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1284-254-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1616-258-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2008-102-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2008-79-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2008-29-0x0000000000290000-0x0000000000291000-memory.dmp

Filesize
4KB

Download
memory/2008-26-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2008-25-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/2008-3-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2008-15-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/2008-105-0x0000000002460000-0x00000000024B3000-memory.dmp

Filesize
332KB

Download
memory/2008-5-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2008-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2008-91-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2008-82-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2008-80-0x00000000003B0000-0x00000000003B2000-memory.dmp

Filesize
8KB

Download
memory/2008-41-0x00000000002B0000-0x00000000002B1000-memory.dmp

Filesize
4KB

Download
memory/2008-71-0x0000000000390000-0x0000000000391000-memory.dmp

Filesize
4KB

Download
memory/2008-61-0x0000000000370000-0x0000000000371000-memory.dmp

Filesize
4KB

Download
memory/2416-94-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2416-92-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2416-136-0x0000000003220000-0x0000000003273000-memory.dmp

Filesize
332KB

Download
memory/2416-150-0x0000000003220000-0x0000000003273000-memory.dmp

Filesize
332KB

Download
memory/2416-154-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2416-155-0x0000000003220000-0x0000000003273000-memory.dmp

Filesize
332KB

Download
memory/2416-142-0x0000000003220000-0x0000000003273000-memory.dmp

Filesize
332KB

Download
memory/2416-96-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2416-250-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2416-101-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2416-98-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2416-104-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2416-106-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2416-108-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads