modiloader | 25e2ef12e49540e40e34276c1a46d57e085424012da9d949ca8d56d57e89ad32

Analysis

max time kernel
119s
max time network
17s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
08-01-2025 11:44

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General

Target

25e2ef12e49540e40e34276c1a46d57e085424012da9d949ca8d56d57e89ad32.exe
Size

300KB
MD5

ee441f556d504f00569a75539b3bf067
SHA1

41f4e053093b3479454c25b70acfed0241039918
SHA256

25e2ef12e49540e40e34276c1a46d57e085424012da9d949ca8d56d57e89ad32
SHA512

b3bafa183c0dbac581102271a438bfe32142e1b0dac3f2201877b888f9736761dd37573fe52284d98c76b8fc18857e9d25911ec09e297241faff384377969f8f
SSDEEP

3072:Ue2A0wxDqUpM5scww4chO+O1BmP5DG0sg3i4XZ9WvDZHwdRX/L+gP38G8:UsxD5cwohO+O1sVG0/pZ6iPC8m

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/2576-245-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral1/memory/2576-253-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
1012	csrsll.exe
1728	csrsll.exe
2576	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
2240	25e2ef12e49540e40e34276c1a46d57e085424012da9d949ca8d56d57e89ad32.exe
2240	25e2ef12e49540e40e34276c1a46d57e085424012da9d949ca8d56d57e89ad32.exe
2240	25e2ef12e49540e40e34276c1a46d57e085424012da9d949ca8d56d57e89ad32.exe
2240	25e2ef12e49540e40e34276c1a46d57e085424012da9d949ca8d56d57e89ad32.exe
2240	25e2ef12e49540e40e34276c1a46d57e085424012da9d949ca8d56d57e89ad32.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-1-5-21-2703099537-420551529-3771253338-1000\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 2604 set thread context of 2240	2604	25e2ef12e49540e40e34276c1a46d57e085424012da9d949ca8d56d57e89ad32.exe	30
PID 1012 set thread context of 1728	1012	csrsll.exe	35
PID 1012 set thread context of 2576	1012	csrsll.exe	36

UPX packed file 11 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2240-95-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2240-93-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2240-99-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2240-104-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2240-102-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2240-101-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2240-235-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2576-245-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/2240-248-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1728-250-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2576-253-0x0000000000400000-0x0000000000414000-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	25e2ef12e49540e40e34276c1a46d57e085424012da9d949ca8d56d57e89ad32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	25e2ef12e49540e40e34276c1a46d57e085424012da9d949ca8d56d57e89ad32.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrsll.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	1728	csrsll.exe
Token: SeDebugPrivilege	1728	csrsll.exe
Token: SeDebugPrivilege	1728	csrsll.exe
Token: SeDebugPrivilege	1728	csrsll.exe
Token: SeDebugPrivilege	1728	csrsll.exe
Token: SeDebugPrivilege	1728	csrsll.exe
Token: SeDebugPrivilege	1728	csrsll.exe
Token: SeDebugPrivilege	1728	csrsll.exe
Token: SeDebugPrivilege	1728	csrsll.exe
Token: SeDebugPrivilege	1728	csrsll.exe
Token: SeDebugPrivilege	1728	csrsll.exe
Token: SeDebugPrivilege	1728	csrsll.exe
Token: SeDebugPrivilege	1728	csrsll.exe
Token: SeDebugPrivilege	1728	csrsll.exe
Token: SeDebugPrivilege	1728	csrsll.exe
Token: SeDebugPrivilege	1728	csrsll.exe
Token: SeDebugPrivilege	1728	csrsll.exe
Token: SeDebugPrivilege	1728	csrsll.exe
Token: SeDebugPrivilege	1728	csrsll.exe
Token: SeDebugPrivilege	1728	csrsll.exe
Token: SeDebugPrivilege	1728	csrsll.exe
Token: SeDebugPrivilege	1728	csrsll.exe
Token: SeDebugPrivilege	1728	csrsll.exe
Token: SeDebugPrivilege	1728	csrsll.exe
Token: SeDebugPrivilege	1728	csrsll.exe
Token: SeDebugPrivilege	1728	csrsll.exe
Token: SeDebugPrivilege	1728	csrsll.exe
Token: SeDebugPrivilege	1728	csrsll.exe
Token: SeDebugPrivilege	1728	csrsll.exe
Token: SeDebugPrivilege	1728	csrsll.exe
Token: SeDebugPrivilege	1728	csrsll.exe
Token: SeDebugPrivilege	1728	csrsll.exe
Token: SeDebugPrivilege	1728	csrsll.exe
Token: SeDebugPrivilege	1728	csrsll.exe
Token: SeDebugPrivilege	1728	csrsll.exe
Token: SeDebugPrivilege	1728	csrsll.exe
Token: SeDebugPrivilege	1728	csrsll.exe
Token: SeDebugPrivilege	1728	csrsll.exe
Token: SeDebugPrivilege	1728	csrsll.exe
Token: SeDebugPrivilege	1728	csrsll.exe
Token: SeDebugPrivilege	1728	csrsll.exe
Token: SeDebugPrivilege	1728	csrsll.exe
Token: SeDebugPrivilege	1728	csrsll.exe
Token: SeDebugPrivilege	1728	csrsll.exe
Token: SeDebugPrivilege	1728	csrsll.exe
Token: SeDebugPrivilege	1728	csrsll.exe
Token: SeDebugPrivilege	1728	csrsll.exe
Token: SeDebugPrivilege	1728	csrsll.exe
Token: SeDebugPrivilege	1728	csrsll.exe
Token: SeDebugPrivilege	1728	csrsll.exe
Token: SeDebugPrivilege	1728	csrsll.exe
Token: SeDebugPrivilege	1728	csrsll.exe
Token: SeDebugPrivilege	1728	csrsll.exe
Token: SeDebugPrivilege	1728	csrsll.exe
Token: SeDebugPrivilege	1728	csrsll.exe
Token: SeDebugPrivilege	1728	csrsll.exe
Token: SeDebugPrivilege	1728	csrsll.exe
Token: SeDebugPrivilege	1728	csrsll.exe
Token: SeDebugPrivilege	1728	csrsll.exe
Token: SeDebugPrivilege	1728	csrsll.exe
Token: SeDebugPrivilege	1728	csrsll.exe
Token: SeDebugPrivilege	1728	csrsll.exe
Token: SeDebugPrivilege	1728	csrsll.exe
Token: SeDebugPrivilege	1728	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2604	25e2ef12e49540e40e34276c1a46d57e085424012da9d949ca8d56d57e89ad32.exe
2240	25e2ef12e49540e40e34276c1a46d57e085424012da9d949ca8d56d57e89ad32.exe
1012	csrsll.exe
1728	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2604 wrote to memory of 2240	2604	25e2ef12e49540e40e34276c1a46d57e085424012da9d949ca8d56d57e89ad32.exe	30
PID 2604 wrote to memory of 2240	2604	25e2ef12e49540e40e34276c1a46d57e085424012da9d949ca8d56d57e89ad32.exe	30
PID 2604 wrote to memory of 2240	2604	25e2ef12e49540e40e34276c1a46d57e085424012da9d949ca8d56d57e89ad32.exe	30
PID 2604 wrote to memory of 2240	2604	25e2ef12e49540e40e34276c1a46d57e085424012da9d949ca8d56d57e89ad32.exe	30
PID 2604 wrote to memory of 2240	2604	25e2ef12e49540e40e34276c1a46d57e085424012da9d949ca8d56d57e89ad32.exe	30
PID 2604 wrote to memory of 2240	2604	25e2ef12e49540e40e34276c1a46d57e085424012da9d949ca8d56d57e89ad32.exe	30
PID 2604 wrote to memory of 2240	2604	25e2ef12e49540e40e34276c1a46d57e085424012da9d949ca8d56d57e89ad32.exe	30
PID 2604 wrote to memory of 2240	2604	25e2ef12e49540e40e34276c1a46d57e085424012da9d949ca8d56d57e89ad32.exe	30
PID 2240 wrote to memory of 2340	2240	25e2ef12e49540e40e34276c1a46d57e085424012da9d949ca8d56d57e89ad32.exe	31
PID 2240 wrote to memory of 2340	2240	25e2ef12e49540e40e34276c1a46d57e085424012da9d949ca8d56d57e89ad32.exe	31
PID 2240 wrote to memory of 2340	2240	25e2ef12e49540e40e34276c1a46d57e085424012da9d949ca8d56d57e89ad32.exe	31
PID 2240 wrote to memory of 2340	2240	25e2ef12e49540e40e34276c1a46d57e085424012da9d949ca8d56d57e89ad32.exe	31
PID 2340 wrote to memory of 2988	2340	cmd.exe	33
PID 2340 wrote to memory of 2988	2340	cmd.exe	33
PID 2340 wrote to memory of 2988	2340	cmd.exe	33
PID 2340 wrote to memory of 2988	2340	cmd.exe	33
PID 2240 wrote to memory of 1012	2240	25e2ef12e49540e40e34276c1a46d57e085424012da9d949ca8d56d57e89ad32.exe	34
PID 2240 wrote to memory of 1012	2240	25e2ef12e49540e40e34276c1a46d57e085424012da9d949ca8d56d57e89ad32.exe	34
PID 2240 wrote to memory of 1012	2240	25e2ef12e49540e40e34276c1a46d57e085424012da9d949ca8d56d57e89ad32.exe	34
PID 2240 wrote to memory of 1012	2240	25e2ef12e49540e40e34276c1a46d57e085424012da9d949ca8d56d57e89ad32.exe	34
PID 1012 wrote to memory of 1728	1012	csrsll.exe	35
PID 1012 wrote to memory of 1728	1012	csrsll.exe	35
PID 1012 wrote to memory of 1728	1012	csrsll.exe	35
PID 1012 wrote to memory of 1728	1012	csrsll.exe	35
PID 1012 wrote to memory of 1728	1012	csrsll.exe	35
PID 1012 wrote to memory of 1728	1012	csrsll.exe	35
PID 1012 wrote to memory of 1728	1012	csrsll.exe	35
PID 1012 wrote to memory of 1728	1012	csrsll.exe	35
PID 1012 wrote to memory of 2576	1012	csrsll.exe	36
PID 1012 wrote to memory of 2576	1012	csrsll.exe	36
PID 1012 wrote to memory of 2576	1012	csrsll.exe	36
PID 1012 wrote to memory of 2576	1012	csrsll.exe	36
PID 1012 wrote to memory of 2576	1012	csrsll.exe	36
PID 1012 wrote to memory of 2576	1012	csrsll.exe	36
PID 1012 wrote to memory of 2576	1012	csrsll.exe	36
PID 1012 wrote to memory of 2576	1012	csrsll.exe	36

C:\Users\Admin\AppData\Local\Temp\25e2ef12e49540e40e34276c1a46d57e085424012da9d949ca8d56d57e89ad32.exe
"C:\Users\Admin\AppData\Local\Temp\25e2ef12e49540e40e34276c1a46d57e085424012da9d949ca8d56d57e89ad32.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2604
- C:\Users\Admin\AppData\Local\Temp\25e2ef12e49540e40e34276c1a46d57e085424012da9d949ca8d56d57e89ad32.exe
  "C:\Users\Admin\AppData\Local\Temp\25e2ef12e49540e40e34276c1a46d57e085424012da9d949ca8d56d57e89ad32.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2240
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\RFGBA.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2340
  - - 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:2988
- - 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:1012
  - - 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:1728
  - - 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:2576

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\RFGBA.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
300KB

MD5
524d96bdf2b79f10db68fbf770073e80

SHA1
ca6a10dbf5b444e92b390f86dd893bbcbf2ff8a4

SHA256
ee15520f11badd4f24c96a5bb88265f0b09d1ad0ca5732ee503fc9d0cac545a8

SHA512
2c3721cc42cacc65aa7c09084afb90e194bb2c7f9abae623a32bfca38a80c0359d1dc56e6db1c03276724b1cc6b7907d9b617002cfa51091a2c74e74814e4037

Download Submit
memory/1012-171-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/1012-159-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/1012-149-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1728-250-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2240-95-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2240-102-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2240-248-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2240-235-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2240-101-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2240-104-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2240-99-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2240-91-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2240-97-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2240-93-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2576-245-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2576-253-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2604-39-0x0000000000450000-0x0000000000451000-memory.dmp

Filesize
4KB

Download
memory/2604-69-0x00000000004B0000-0x00000000004B1000-memory.dmp

Filesize
4KB

Download
memory/2604-82-0x00000000004E0000-0x00000000004E2000-memory.dmp

Filesize
8KB

Download
memory/2604-59-0x0000000000490000-0x0000000000491000-memory.dmp

Filesize
4KB

Download
memory/2604-0-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2604-27-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/2604-15-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/2604-3-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2604-79-0x00000000004D0000-0x00000000004D2000-memory.dmp

Filesize
8KB

Download
memory/2604-85-0x00000000004F0000-0x00000000004F2000-memory.dmp

Filesize
8KB

Download
memory/2604-77-0x00000000004D0000-0x00000000004D2000-memory.dmp

Filesize
8KB

Download
memory/2604-5-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2604-90-0x0000000000500000-0x0000000000502000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads