modiloader | 57107a017b6fd947719848d5da21d7efbdc293eeb7bbbf50dfcbfe205a6b7288

Analysis

max time kernel
149s
max time network
126s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
15-12-2024 22:41

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General

Target

57107a017b6fd947719848d5da21d7efbdc293eeb7bbbf50dfcbfe205a6b7288.exe
Size

90KB
MD5

8f6c9bc96b6438c19061a66240f80449
SHA1

e8f5f3d545b4d3ea89509f7cfe1c919a48866f2c
SHA256

57107a017b6fd947719848d5da21d7efbdc293eeb7bbbf50dfcbfe205a6b7288
SHA512

fc87811f4760da975ab18e89b4f1082f2c5f776530485deb404d5b822e9e336053c6c2c178b5b0294fa004e289da856438a39cd460eb143c48dcec5b16562082
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oD8:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3e

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/988-248-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral1/memory/988-255-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
1512	csrsll.exe
952	csrsll.exe
988	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
2652	57107a017b6fd947719848d5da21d7efbdc293eeb7bbbf50dfcbfe205a6b7288.exe
2652	57107a017b6fd947719848d5da21d7efbdc293eeb7bbbf50dfcbfe205a6b7288.exe
2652	57107a017b6fd947719848d5da21d7efbdc293eeb7bbbf50dfcbfe205a6b7288.exe
2652	57107a017b6fd947719848d5da21d7efbdc293eeb7bbbf50dfcbfe205a6b7288.exe
2652	57107a017b6fd947719848d5da21d7efbdc293eeb7bbbf50dfcbfe205a6b7288.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-1-5-21-3290804112-2823094203-3137964600-1000\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 2112 set thread context of 2652	2112	57107a017b6fd947719848d5da21d7efbdc293eeb7bbbf50dfcbfe205a6b7288.exe	31
PID 1512 set thread context of 952	1512	csrsll.exe	36
PID 1512 set thread context of 988	1512	csrsll.exe	37

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2112-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2112-26-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2652-92-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2112-89-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2652-100-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2652-98-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2652-94-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2112-104-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2652-102-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2652-101-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x000a00000001739c-129.dat	upx
behavioral1/memory/2652-143-0x00000000027C0000-0x0000000002813000-memory.dmp	upx
behavioral1/memory/2652-150-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1512-211-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/988-248-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/2652-253-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1512-247-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/952-254-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/988-255-0x0000000000400000-0x0000000000414000-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	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	57107a017b6fd947719848d5da21d7efbdc293eeb7bbbf50dfcbfe205a6b7288.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	57107a017b6fd947719848d5da21d7efbdc293eeb7bbbf50dfcbfe205a6b7288.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2112	57107a017b6fd947719848d5da21d7efbdc293eeb7bbbf50dfcbfe205a6b7288.exe
2652	57107a017b6fd947719848d5da21d7efbdc293eeb7bbbf50dfcbfe205a6b7288.exe
1512	csrsll.exe
952	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2112 wrote to memory of 2652	2112	57107a017b6fd947719848d5da21d7efbdc293eeb7bbbf50dfcbfe205a6b7288.exe	31
PID 2112 wrote to memory of 2652	2112	57107a017b6fd947719848d5da21d7efbdc293eeb7bbbf50dfcbfe205a6b7288.exe	31
PID 2112 wrote to memory of 2652	2112	57107a017b6fd947719848d5da21d7efbdc293eeb7bbbf50dfcbfe205a6b7288.exe	31
PID 2112 wrote to memory of 2652	2112	57107a017b6fd947719848d5da21d7efbdc293eeb7bbbf50dfcbfe205a6b7288.exe	31
PID 2112 wrote to memory of 2652	2112	57107a017b6fd947719848d5da21d7efbdc293eeb7bbbf50dfcbfe205a6b7288.exe	31
PID 2112 wrote to memory of 2652	2112	57107a017b6fd947719848d5da21d7efbdc293eeb7bbbf50dfcbfe205a6b7288.exe	31
PID 2112 wrote to memory of 2652	2112	57107a017b6fd947719848d5da21d7efbdc293eeb7bbbf50dfcbfe205a6b7288.exe	31
PID 2112 wrote to memory of 2652	2112	57107a017b6fd947719848d5da21d7efbdc293eeb7bbbf50dfcbfe205a6b7288.exe	31
PID 2652 wrote to memory of 2852	2652	57107a017b6fd947719848d5da21d7efbdc293eeb7bbbf50dfcbfe205a6b7288.exe	32
PID 2652 wrote to memory of 2852	2652	57107a017b6fd947719848d5da21d7efbdc293eeb7bbbf50dfcbfe205a6b7288.exe	32
PID 2652 wrote to memory of 2852	2652	57107a017b6fd947719848d5da21d7efbdc293eeb7bbbf50dfcbfe205a6b7288.exe	32
PID 2652 wrote to memory of 2852	2652	57107a017b6fd947719848d5da21d7efbdc293eeb7bbbf50dfcbfe205a6b7288.exe	32
PID 2852 wrote to memory of 1584	2852	cmd.exe	34
PID 2852 wrote to memory of 1584	2852	cmd.exe	34
PID 2852 wrote to memory of 1584	2852	cmd.exe	34
PID 2852 wrote to memory of 1584	2852	cmd.exe	34
PID 2652 wrote to memory of 1512	2652	57107a017b6fd947719848d5da21d7efbdc293eeb7bbbf50dfcbfe205a6b7288.exe	35
PID 2652 wrote to memory of 1512	2652	57107a017b6fd947719848d5da21d7efbdc293eeb7bbbf50dfcbfe205a6b7288.exe	35
PID 2652 wrote to memory of 1512	2652	57107a017b6fd947719848d5da21d7efbdc293eeb7bbbf50dfcbfe205a6b7288.exe	35
PID 2652 wrote to memory of 1512	2652	57107a017b6fd947719848d5da21d7efbdc293eeb7bbbf50dfcbfe205a6b7288.exe	35
PID 1512 wrote to memory of 952	1512	csrsll.exe	36
PID 1512 wrote to memory of 952	1512	csrsll.exe	36
PID 1512 wrote to memory of 952	1512	csrsll.exe	36
PID 1512 wrote to memory of 952	1512	csrsll.exe	36
PID 1512 wrote to memory of 952	1512	csrsll.exe	36
PID 1512 wrote to memory of 952	1512	csrsll.exe	36
PID 1512 wrote to memory of 952	1512	csrsll.exe	36
PID 1512 wrote to memory of 952	1512	csrsll.exe	36
PID 1512 wrote to memory of 988	1512	csrsll.exe	37
PID 1512 wrote to memory of 988	1512	csrsll.exe	37
PID 1512 wrote to memory of 988	1512	csrsll.exe	37
PID 1512 wrote to memory of 988	1512	csrsll.exe	37
PID 1512 wrote to memory of 988	1512	csrsll.exe	37
PID 1512 wrote to memory of 988	1512	csrsll.exe	37
PID 1512 wrote to memory of 988	1512	csrsll.exe	37
PID 1512 wrote to memory of 988	1512	csrsll.exe	37

C:\Users\Admin\AppData\Local\Temp\57107a017b6fd947719848d5da21d7efbdc293eeb7bbbf50dfcbfe205a6b7288.exe
"C:\Users\Admin\AppData\Local\Temp\57107a017b6fd947719848d5da21d7efbdc293eeb7bbbf50dfcbfe205a6b7288.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2112
- C:\Users\Admin\AppData\Local\Temp\57107a017b6fd947719848d5da21d7efbdc293eeb7bbbf50dfcbfe205a6b7288.exe
  "C:\Users\Admin\AppData\Local\Temp\57107a017b6fd947719848d5da21d7efbdc293eeb7bbbf50dfcbfe205a6b7288.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2652
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\AYMNI.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2852
  - - 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:1584
- - 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:1512
  - - 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:952
  - - 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:988

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

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Downloads

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

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
9ee0718306ce94df233949251d4cd494

SHA1
6ffad10088d4b3679e5652e05019cd6b8ce6e5a8

SHA256
06335a183dc67d600e609d9b19296f66174f301f11deb3d8edd88e497db407e9

SHA512
0546e53c17a54800168fd7e4d67746266d2e953f3b817f7d17c2a609fc71e698d1992d8ba03825ef28146939d49023c19b573099369c459a692958c23cad1221

Download Submit
memory/952-254-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/988-255-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/988-248-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1512-247-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1512-174-0x00000000002C0000-0x00000000002C1000-memory.dmp

Filesize
4KB

Download
memory/1512-211-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1512-163-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/1512-153-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2112-104-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2112-26-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2112-89-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2112-29-0x0000000000330000-0x0000000000331000-memory.dmp

Filesize
4KB

Download
memory/2112-3-0x00000000002F0000-0x00000000002F1000-memory.dmp

Filesize
4KB

Download
memory/2112-5-0x00000000002F0000-0x00000000002F1000-memory.dmp

Filesize
4KB

Download
memory/2112-15-0x0000000000310000-0x0000000000311000-memory.dmp

Filesize
4KB

Download
memory/2112-79-0x0000000000470000-0x0000000000472000-memory.dmp

Filesize
8KB

Download
memory/2112-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2112-71-0x00000000003F0000-0x00000000003F1000-memory.dmp

Filesize
4KB

Download
memory/2112-61-0x00000000003D0000-0x00000000003D1000-memory.dmp

Filesize
4KB

Download
memory/2112-41-0x0000000000350000-0x0000000000351000-memory.dmp

Filesize
4KB

Download
memory/2112-25-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/2652-94-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2652-101-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2652-144-0x00000000027C0000-0x0000000002813000-memory.dmp

Filesize
332KB

Download
memory/2652-143-0x00000000027C0000-0x0000000002813000-memory.dmp

Filesize
332KB

Download
memory/2652-150-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2652-146-0x00000000027C0000-0x0000000002813000-memory.dmp

Filesize
332KB

Download
memory/2652-92-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2652-145-0x00000000027C0000-0x0000000002813000-memory.dmp

Filesize
332KB

Download
memory/2652-210-0x00000000027C0000-0x0000000002813000-memory.dmp

Filesize
332KB

Download
memory/2652-102-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2652-90-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2652-253-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2652-96-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2652-98-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2652-100-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads