modiloader | 81d12309c42b65672ede4797cd1213eb46ad2addea33f5579af3065614b31498

Analysis

max time kernel
120s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
17-12-2024 05:48

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General

Target

81d12309c42b65672ede4797cd1213eb46ad2addea33f5579af3065614b31498.exe
Size

90KB
MD5

b49d87e876ce9b1281a73d0b450b26d1
SHA1

6312d678d0b590bc05a4f7eae67a22f2969c2dc7
SHA256

81d12309c42b65672ede4797cd1213eb46ad2addea33f5579af3065614b31498
SHA512

de98122eb65f4d2ddf67907191f27d1128d6fb02dc2c9abc80342b4393737aabfa35447974c571f1718de3dee953fa182a0320a32df37eea74273a4da85447cb
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDx:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE33

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 2 IoCs

resource	yara_rule
behavioral1/memory/1172-249-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral1/memory/1172-257-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
1352	csrsll.exe
396	csrsll.exe
1172	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
2868	81d12309c42b65672ede4797cd1213eb46ad2addea33f5579af3065614b31498.exe
2868	81d12309c42b65672ede4797cd1213eb46ad2addea33f5579af3065614b31498.exe
2868	81d12309c42b65672ede4797cd1213eb46ad2addea33f5579af3065614b31498.exe
2868	81d12309c42b65672ede4797cd1213eb46ad2addea33f5579af3065614b31498.exe
2868	81d12309c42b65672ede4797cd1213eb46ad2addea33f5579af3065614b31498.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-1-5-21-4177215427-74451935-3209572229-1000\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 1900 set thread context of 2868	1900	81d12309c42b65672ede4797cd1213eb46ad2addea33f5579af3065614b31498.exe	31
PID 1352 set thread context of 396	1352	csrsll.exe	36
PID 1352 set thread context of 1172	1352	csrsll.exe	37

UPX packed file 22 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1900-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1900-26-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2868-100-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2868-98-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2868-94-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2868-92-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1900-89-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2868-103-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2868-102-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2868-108-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1900-107-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/files/0x0004000000004ed7-131.dat	upx
behavioral1/memory/2868-147-0x0000000003120000-0x0000000003173000-memory.dmp	upx
behavioral1/memory/2868-133-0x0000000003120000-0x0000000003173000-memory.dmp	upx
behavioral1/memory/2868-151-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1352-211-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1172-249-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/396-248-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2868-255-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1352-252-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/396-256-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1172-257-0x0000000000400000-0x0000000000414000-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	81d12309c42b65672ede4797cd1213eb46ad2addea33f5579af3065614b31498.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	81d12309c42b65672ede4797cd1213eb46ad2addea33f5579af3065614b31498.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrsll.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe
Token: SeDebugPrivilege	396	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1900	81d12309c42b65672ede4797cd1213eb46ad2addea33f5579af3065614b31498.exe
2868	81d12309c42b65672ede4797cd1213eb46ad2addea33f5579af3065614b31498.exe
1352	csrsll.exe
396	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 1900 wrote to memory of 2868	1900	81d12309c42b65672ede4797cd1213eb46ad2addea33f5579af3065614b31498.exe	31
PID 1900 wrote to memory of 2868	1900	81d12309c42b65672ede4797cd1213eb46ad2addea33f5579af3065614b31498.exe	31
PID 1900 wrote to memory of 2868	1900	81d12309c42b65672ede4797cd1213eb46ad2addea33f5579af3065614b31498.exe	31
PID 1900 wrote to memory of 2868	1900	81d12309c42b65672ede4797cd1213eb46ad2addea33f5579af3065614b31498.exe	31
PID 1900 wrote to memory of 2868	1900	81d12309c42b65672ede4797cd1213eb46ad2addea33f5579af3065614b31498.exe	31
PID 1900 wrote to memory of 2868	1900	81d12309c42b65672ede4797cd1213eb46ad2addea33f5579af3065614b31498.exe	31
PID 1900 wrote to memory of 2868	1900	81d12309c42b65672ede4797cd1213eb46ad2addea33f5579af3065614b31498.exe	31
PID 1900 wrote to memory of 2868	1900	81d12309c42b65672ede4797cd1213eb46ad2addea33f5579af3065614b31498.exe	31
PID 2868 wrote to memory of 2624	2868	81d12309c42b65672ede4797cd1213eb46ad2addea33f5579af3065614b31498.exe	32
PID 2868 wrote to memory of 2624	2868	81d12309c42b65672ede4797cd1213eb46ad2addea33f5579af3065614b31498.exe	32
PID 2868 wrote to memory of 2624	2868	81d12309c42b65672ede4797cd1213eb46ad2addea33f5579af3065614b31498.exe	32
PID 2868 wrote to memory of 2624	2868	81d12309c42b65672ede4797cd1213eb46ad2addea33f5579af3065614b31498.exe	32
PID 2624 wrote to memory of 1740	2624	cmd.exe	34
PID 2624 wrote to memory of 1740	2624	cmd.exe	34
PID 2624 wrote to memory of 1740	2624	cmd.exe	34
PID 2624 wrote to memory of 1740	2624	cmd.exe	34
PID 2868 wrote to memory of 1352	2868	81d12309c42b65672ede4797cd1213eb46ad2addea33f5579af3065614b31498.exe	35
PID 2868 wrote to memory of 1352	2868	81d12309c42b65672ede4797cd1213eb46ad2addea33f5579af3065614b31498.exe	35
PID 2868 wrote to memory of 1352	2868	81d12309c42b65672ede4797cd1213eb46ad2addea33f5579af3065614b31498.exe	35
PID 2868 wrote to memory of 1352	2868	81d12309c42b65672ede4797cd1213eb46ad2addea33f5579af3065614b31498.exe	35
PID 1352 wrote to memory of 396	1352	csrsll.exe	36
PID 1352 wrote to memory of 396	1352	csrsll.exe	36
PID 1352 wrote to memory of 396	1352	csrsll.exe	36
PID 1352 wrote to memory of 396	1352	csrsll.exe	36
PID 1352 wrote to memory of 396	1352	csrsll.exe	36
PID 1352 wrote to memory of 396	1352	csrsll.exe	36
PID 1352 wrote to memory of 396	1352	csrsll.exe	36
PID 1352 wrote to memory of 396	1352	csrsll.exe	36
PID 1352 wrote to memory of 1172	1352	csrsll.exe	37
PID 1352 wrote to memory of 1172	1352	csrsll.exe	37
PID 1352 wrote to memory of 1172	1352	csrsll.exe	37
PID 1352 wrote to memory of 1172	1352	csrsll.exe	37
PID 1352 wrote to memory of 1172	1352	csrsll.exe	37
PID 1352 wrote to memory of 1172	1352	csrsll.exe	37
PID 1352 wrote to memory of 1172	1352	csrsll.exe	37
PID 1352 wrote to memory of 1172	1352	csrsll.exe	37

C:\Users\Admin\AppData\Local\Temp\81d12309c42b65672ede4797cd1213eb46ad2addea33f5579af3065614b31498.exe
"C:\Users\Admin\AppData\Local\Temp\81d12309c42b65672ede4797cd1213eb46ad2addea33f5579af3065614b31498.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1900
- C:\Users\Admin\AppData\Local\Temp\81d12309c42b65672ede4797cd1213eb46ad2addea33f5579af3065614b31498.exe
  "C:\Users\Admin\AppData\Local\Temp\81d12309c42b65672ede4797cd1213eb46ad2addea33f5579af3065614b31498.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2868
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\IHUBL.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2624
  - - 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:1740
- - 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:1352
  - - 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:396
  - - 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:1172

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\IHUBL.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
0a5e8ce83f92532a2022bda4dbb65237

SHA1
a6ea12235203d832d66c12d11f42f02c9c61f109

SHA256
2ec952dd859b0e8eb9c4aa1604f1cb247f2dff35ecb4d02b863d2aa0a0bd77dc

SHA512
0a8da226df53de078c709ce0bc1b605f45ae83432896dc38384fe2aa2a299ff97de305eed005f88d9e037729280bd10dab5be87b058bc9d4f141504c7e82e7ac

Download Submit
memory/396-256-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/396-248-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1172-249-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1172-257-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1352-211-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1352-164-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/1352-154-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/1352-175-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/1352-252-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1900-26-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1900-29-0x00000000002C0000-0x00000000002C1000-memory.dmp

Filesize
4KB

Download
memory/1900-71-0x0000000000340000-0x0000000000341000-memory.dmp

Filesize
4KB

Download
memory/1900-61-0x0000000000320000-0x0000000000321000-memory.dmp

Filesize
4KB

Download
memory/1900-101-0x0000000002740000-0x0000000002793000-memory.dmp

Filesize
332KB

Download
memory/1900-25-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/1900-89-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1900-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1900-41-0x00000000002E0000-0x00000000002E1000-memory.dmp

Filesize
4KB

Download
memory/1900-79-0x00000000003E0000-0x00000000003E2000-memory.dmp

Filesize
8KB

Download
memory/1900-15-0x00000000002A0000-0x00000000002A1000-memory.dmp

Filesize
4KB

Download
memory/1900-107-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1900-5-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1900-3-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2868-98-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2868-148-0x0000000003120000-0x0000000003173000-memory.dmp

Filesize
332KB

Download
memory/2868-133-0x0000000003120000-0x0000000003173000-memory.dmp

Filesize
332KB

Download
memory/2868-151-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2868-147-0x0000000003120000-0x0000000003173000-memory.dmp

Filesize
332KB

Download
memory/2868-108-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2868-102-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2868-103-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2868-90-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2868-92-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2868-247-0x0000000003120000-0x0000000003173000-memory.dmp

Filesize
332KB

Download
memory/2868-255-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2868-94-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2868-96-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2868-100-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads