modiloader | 84138f7b7779b10f95608c0ae4ce606a7c26184ecdcbd78d5974a4c9f9ae8b82

Analysis

max time kernel
119s
max time network
118s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
11-11-2024 23:48

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General

Target

84138f7b7779b10f95608c0ae4ce606a7c26184ecdcbd78d5974a4c9f9ae8b82N.exe
Size

326KB
MD5

b01f6c36d43ef1cccb14eee4d9383420
SHA1

a61d4ae3b5316cb42a68b327dda1ed743fc60e3f
SHA256

84138f7b7779b10f95608c0ae4ce606a7c26184ecdcbd78d5974a4c9f9ae8b82
SHA512

173786bf771c1fe842dadfa43aee172b2c9ce7497635d911fba5c87efe5520eefafae143ca7814691fca36ff02a861d5d84ed287c1007d0543ac9c9f2837b823
SSDEEP

3072:ce2A0wxDqUpM5scww4chO+O1BmP5DG0sg3i4XZ9WvDZHwdRX/L+gP38XV:csxD5cwohO+O1sVG0/pZ6iPC8

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/1008-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1008-52-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1008-57-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1008-62-0x0000000000400000-0x0000000000414000-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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	84138f7b7779b10f95608c0ae4ce606a7c26184ecdcbd78d5974a4c9f9ae8b82N.exe

Executes dropped EXE 3 IoCs

pid	Process
1036	csrsll.exe
3064	csrsll.exe
1008	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-1-5-21-493223053-2004649691-1575712786-1000\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 2260 set thread context of 4948	2260	84138f7b7779b10f95608c0ae4ce606a7c26184ecdcbd78d5974a4c9f9ae8b82N.exe	95
PID 1036 set thread context of 3064	1036	csrsll.exe	106
PID 1036 set thread context of 1008	1036	csrsll.exe	107

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2260-0-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/2260-5-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/4948-8-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4948-10-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4948-12-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2260-14-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/files/0x000a000000023cb5-29.dat	upx
behavioral2/memory/1036-36-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/4948-40-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1036-41-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/1036-42-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/1008-45-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1008-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1008-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1008-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1036-56-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/1008-57-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4948-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3064-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1008-62-0x0000000000400000-0x0000000000414000-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	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	84138f7b7779b10f95608c0ae4ce606a7c26184ecdcbd78d5974a4c9f9ae8b82N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	84138f7b7779b10f95608c0ae4ce606a7c26184ecdcbd78d5974a4c9f9ae8b82N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	3064	csrsll.exe
Token: SeDebugPrivilege	3064	csrsll.exe
Token: SeDebugPrivilege	3064	csrsll.exe
Token: SeDebugPrivilege	3064	csrsll.exe
Token: SeDebugPrivilege	3064	csrsll.exe
Token: SeDebugPrivilege	3064	csrsll.exe
Token: SeDebugPrivilege	3064	csrsll.exe
Token: SeDebugPrivilege	3064	csrsll.exe
Token: SeDebugPrivilege	3064	csrsll.exe
Token: SeDebugPrivilege	3064	csrsll.exe
Token: SeDebugPrivilege	3064	csrsll.exe
Token: SeDebugPrivilege	3064	csrsll.exe
Token: SeDebugPrivilege	3064	csrsll.exe
Token: SeDebugPrivilege	3064	csrsll.exe
Token: SeDebugPrivilege	3064	csrsll.exe
Token: SeDebugPrivilege	3064	csrsll.exe
Token: SeDebugPrivilege	3064	csrsll.exe
Token: SeDebugPrivilege	3064	csrsll.exe
Token: SeDebugPrivilege	3064	csrsll.exe
Token: SeDebugPrivilege	3064	csrsll.exe
Token: SeDebugPrivilege	3064	csrsll.exe
Token: SeDebugPrivilege	3064	csrsll.exe
Token: SeDebugPrivilege	3064	csrsll.exe
Token: SeDebugPrivilege	3064	csrsll.exe
Token: SeDebugPrivilege	3064	csrsll.exe
Token: SeDebugPrivilege	3064	csrsll.exe
Token: SeDebugPrivilege	3064	csrsll.exe
Token: SeDebugPrivilege	3064	csrsll.exe
Token: SeDebugPrivilege	3064	csrsll.exe
Token: SeDebugPrivilege	3064	csrsll.exe
Token: SeDebugPrivilege	3064	csrsll.exe
Token: SeDebugPrivilege	3064	csrsll.exe
Token: SeDebugPrivilege	3064	csrsll.exe
Token: SeDebugPrivilege	3064	csrsll.exe
Token: SeDebugPrivilege	3064	csrsll.exe
Token: SeDebugPrivilege	3064	csrsll.exe
Token: SeDebugPrivilege	3064	csrsll.exe
Token: SeDebugPrivilege	3064	csrsll.exe
Token: SeDebugPrivilege	3064	csrsll.exe
Token: SeDebugPrivilege	3064	csrsll.exe
Token: SeDebugPrivilege	3064	csrsll.exe
Token: SeDebugPrivilege	3064	csrsll.exe
Token: SeDebugPrivilege	3064	csrsll.exe
Token: SeDebugPrivilege	3064	csrsll.exe
Token: SeDebugPrivilege	3064	csrsll.exe
Token: SeDebugPrivilege	3064	csrsll.exe
Token: SeDebugPrivilege	3064	csrsll.exe
Token: SeDebugPrivilege	3064	csrsll.exe
Token: SeDebugPrivilege	3064	csrsll.exe
Token: SeDebugPrivilege	3064	csrsll.exe
Token: SeDebugPrivilege	3064	csrsll.exe
Token: SeDebugPrivilege	3064	csrsll.exe
Token: SeDebugPrivilege	3064	csrsll.exe
Token: SeDebugPrivilege	3064	csrsll.exe
Token: SeDebugPrivilege	3064	csrsll.exe
Token: SeDebugPrivilege	3064	csrsll.exe
Token: SeDebugPrivilege	3064	csrsll.exe
Token: SeDebugPrivilege	3064	csrsll.exe
Token: SeDebugPrivilege	3064	csrsll.exe
Token: SeDebugPrivilege	3064	csrsll.exe
Token: SeDebugPrivilege	3064	csrsll.exe
Token: SeDebugPrivilege	3064	csrsll.exe
Token: SeDebugPrivilege	3064	csrsll.exe
Token: SeDebugPrivilege	3064	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2260	84138f7b7779b10f95608c0ae4ce606a7c26184ecdcbd78d5974a4c9f9ae8b82N.exe
4948	84138f7b7779b10f95608c0ae4ce606a7c26184ecdcbd78d5974a4c9f9ae8b82N.exe
1036	csrsll.exe
3064	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 2260 wrote to memory of 4948	2260	84138f7b7779b10f95608c0ae4ce606a7c26184ecdcbd78d5974a4c9f9ae8b82N.exe	95
PID 2260 wrote to memory of 4948	2260	84138f7b7779b10f95608c0ae4ce606a7c26184ecdcbd78d5974a4c9f9ae8b82N.exe	95
PID 2260 wrote to memory of 4948	2260	84138f7b7779b10f95608c0ae4ce606a7c26184ecdcbd78d5974a4c9f9ae8b82N.exe	95
PID 2260 wrote to memory of 4948	2260	84138f7b7779b10f95608c0ae4ce606a7c26184ecdcbd78d5974a4c9f9ae8b82N.exe	95
PID 2260 wrote to memory of 4948	2260	84138f7b7779b10f95608c0ae4ce606a7c26184ecdcbd78d5974a4c9f9ae8b82N.exe	95
PID 2260 wrote to memory of 4948	2260	84138f7b7779b10f95608c0ae4ce606a7c26184ecdcbd78d5974a4c9f9ae8b82N.exe	95
PID 2260 wrote to memory of 4948	2260	84138f7b7779b10f95608c0ae4ce606a7c26184ecdcbd78d5974a4c9f9ae8b82N.exe	95
PID 2260 wrote to memory of 4948	2260	84138f7b7779b10f95608c0ae4ce606a7c26184ecdcbd78d5974a4c9f9ae8b82N.exe	95
PID 4948 wrote to memory of 2256	4948	84138f7b7779b10f95608c0ae4ce606a7c26184ecdcbd78d5974a4c9f9ae8b82N.exe	96
PID 4948 wrote to memory of 2256	4948	84138f7b7779b10f95608c0ae4ce606a7c26184ecdcbd78d5974a4c9f9ae8b82N.exe	96
PID 4948 wrote to memory of 2256	4948	84138f7b7779b10f95608c0ae4ce606a7c26184ecdcbd78d5974a4c9f9ae8b82N.exe	96
PID 2256 wrote to memory of 4704	2256	cmd.exe	100
PID 2256 wrote to memory of 4704	2256	cmd.exe	100
PID 2256 wrote to memory of 4704	2256	cmd.exe	100
PID 4948 wrote to memory of 1036	4948	84138f7b7779b10f95608c0ae4ce606a7c26184ecdcbd78d5974a4c9f9ae8b82N.exe	101
PID 4948 wrote to memory of 1036	4948	84138f7b7779b10f95608c0ae4ce606a7c26184ecdcbd78d5974a4c9f9ae8b82N.exe	101
PID 4948 wrote to memory of 1036	4948	84138f7b7779b10f95608c0ae4ce606a7c26184ecdcbd78d5974a4c9f9ae8b82N.exe	101
PID 1036 wrote to memory of 3064	1036	csrsll.exe	106
PID 1036 wrote to memory of 3064	1036	csrsll.exe	106
PID 1036 wrote to memory of 3064	1036	csrsll.exe	106
PID 1036 wrote to memory of 3064	1036	csrsll.exe	106
PID 1036 wrote to memory of 3064	1036	csrsll.exe	106
PID 1036 wrote to memory of 3064	1036	csrsll.exe	106
PID 1036 wrote to memory of 3064	1036	csrsll.exe	106
PID 1036 wrote to memory of 3064	1036	csrsll.exe	106
PID 1036 wrote to memory of 1008	1036	csrsll.exe	107
PID 1036 wrote to memory of 1008	1036	csrsll.exe	107
PID 1036 wrote to memory of 1008	1036	csrsll.exe	107
PID 1036 wrote to memory of 1008	1036	csrsll.exe	107
PID 1036 wrote to memory of 1008	1036	csrsll.exe	107
PID 1036 wrote to memory of 1008	1036	csrsll.exe	107
PID 1036 wrote to memory of 1008	1036	csrsll.exe	107
PID 1036 wrote to memory of 1008	1036	csrsll.exe	107

C:\Users\Admin\AppData\Local\Temp\84138f7b7779b10f95608c0ae4ce606a7c26184ecdcbd78d5974a4c9f9ae8b82N.exe
"C:\Users\Admin\AppData\Local\Temp\84138f7b7779b10f95608c0ae4ce606a7c26184ecdcbd78d5974a4c9f9ae8b82N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2260
- C:\Users\Admin\AppData\Local\Temp\84138f7b7779b10f95608c0ae4ce606a7c26184ecdcbd78d5974a4c9f9ae8b82N.exe
  "C:\Users\Admin\AppData\Local\Temp\84138f7b7779b10f95608c0ae4ce606a7c26184ecdcbd78d5974a4c9f9ae8b82N.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4948
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\SGRHD.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2256
  - - 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:4704
- - 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:1036
  - - 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:3064
  - - 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:1008

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

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Downloads

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

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
326KB

MD5
173b528623a536c25a7941da0d344c77

SHA1
e69dd67ef70ea029e937387a9b1f0cf5acb6490b

SHA256
ed6d3f707824b7d74aa541d5ca8cc96c5f225483593a7d90d0d5deac3808c37b

SHA512
03fdfc2d2cc773cf5d20fb011e9d8c748b458c66c1bb9533c640f0b1611717c4077b6bff59793718c0d79331f99c311959c1301bce83b1e8ffff6f65e0d7fee0

Download Submit
memory/1008-62-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1008-57-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1008-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1008-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1008-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1008-45-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1036-36-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1036-41-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1036-56-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1036-42-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2260-7-0x00000000021F0000-0x00000000021F2000-memory.dmp

Filesize
8KB

Download
memory/2260-0-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2260-6-0x00000000021E0000-0x00000000021E2000-memory.dmp

Filesize
8KB

Download
memory/2260-4-0x00000000021D0000-0x00000000021D2000-memory.dmp

Filesize
8KB

Download
memory/2260-5-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2260-14-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2260-3-0x00000000021C0000-0x00000000021C2000-memory.dmp

Filesize
8KB

Download
memory/3064-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4948-40-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4948-10-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4948-8-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4948-12-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4948-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads