modiloader | 02cf57d278a3384e2d97788b5832e62bf4482976007414b5d2f2c7eb82b18293

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
19-01-2025 13:52

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General

Target

02cf57d278a3384e2d97788b5832e62bf4482976007414b5d2f2c7eb82b18293.exe
Size

300KB
MD5

07b904471765dbd6d193aee5f123da16
SHA1

5466f370b439b046d539fb02335b343930d01c18
SHA256

02cf57d278a3384e2d97788b5832e62bf4482976007414b5d2f2c7eb82b18293
SHA512

97607ea8d5af8aa02f5d46b63d9cbbdbb2ed6ab9f8c6a0b0f6ee1990865005752b7c60fb646fb8e26dc0820337d79551e0c16903001214274f437820c95e05a6
SSDEEP

3072:Ue2A0wxDqUpM5scww4chO+O1BmP5DG0sg3i4XZ9WvDZHwdRX/L+gP38Gx:UsxD5cwohO+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 1 IoCs

resource	yara_rule
behavioral1/memory/828-254-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
2784	csrsll.exe
1864	csrsll.exe
828	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
2920	02cf57d278a3384e2d97788b5832e62bf4482976007414b5d2f2c7eb82b18293.exe
2920	02cf57d278a3384e2d97788b5832e62bf4482976007414b5d2f2c7eb82b18293.exe
2920	02cf57d278a3384e2d97788b5832e62bf4482976007414b5d2f2c7eb82b18293.exe
2920	02cf57d278a3384e2d97788b5832e62bf4482976007414b5d2f2c7eb82b18293.exe
2920	02cf57d278a3384e2d97788b5832e62bf4482976007414b5d2f2c7eb82b18293.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-1-5-21-1488793075-819845221-1497111674-1000\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 1364 set thread context of 2920	1364	02cf57d278a3384e2d97788b5832e62bf4482976007414b5d2f2c7eb82b18293.exe	30
PID 2784 set thread context of 1864	2784	csrsll.exe	35
PID 2784 set thread context of 828	2784	csrsll.exe	36

UPX packed file 11 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2920-93-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2920-99-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2920-102-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2920-95-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2920-103-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2920-105-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2920-237-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/828-244-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/2920-247-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1864-251-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/828-254-0x0000000000400000-0x0000000000414000-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	02cf57d278a3384e2d97788b5832e62bf4482976007414b5d2f2c7eb82b18293.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	02cf57d278a3384e2d97788b5832e62bf4482976007414b5d2f2c7eb82b18293.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	1864	csrsll.exe
Token: SeDebugPrivilege	1864	csrsll.exe
Token: SeDebugPrivilege	1864	csrsll.exe
Token: SeDebugPrivilege	1864	csrsll.exe
Token: SeDebugPrivilege	1864	csrsll.exe
Token: SeDebugPrivilege	1864	csrsll.exe
Token: SeDebugPrivilege	1864	csrsll.exe
Token: SeDebugPrivilege	1864	csrsll.exe
Token: SeDebugPrivilege	1864	csrsll.exe
Token: SeDebugPrivilege	1864	csrsll.exe
Token: SeDebugPrivilege	1864	csrsll.exe
Token: SeDebugPrivilege	1864	csrsll.exe
Token: SeDebugPrivilege	1864	csrsll.exe
Token: SeDebugPrivilege	1864	csrsll.exe
Token: SeDebugPrivilege	1864	csrsll.exe
Token: SeDebugPrivilege	1864	csrsll.exe
Token: SeDebugPrivilege	1864	csrsll.exe
Token: SeDebugPrivilege	1864	csrsll.exe
Token: SeDebugPrivilege	1864	csrsll.exe
Token: SeDebugPrivilege	1864	csrsll.exe
Token: SeDebugPrivilege	1864	csrsll.exe
Token: SeDebugPrivilege	1864	csrsll.exe
Token: SeDebugPrivilege	1864	csrsll.exe
Token: SeDebugPrivilege	1864	csrsll.exe
Token: SeDebugPrivilege	1864	csrsll.exe
Token: SeDebugPrivilege	1864	csrsll.exe
Token: SeDebugPrivilege	1864	csrsll.exe
Token: SeDebugPrivilege	1864	csrsll.exe
Token: SeDebugPrivilege	1864	csrsll.exe
Token: SeDebugPrivilege	1864	csrsll.exe
Token: SeDebugPrivilege	1864	csrsll.exe
Token: SeDebugPrivilege	1864	csrsll.exe
Token: SeDebugPrivilege	1864	csrsll.exe
Token: SeDebugPrivilege	1864	csrsll.exe
Token: SeDebugPrivilege	1864	csrsll.exe
Token: SeDebugPrivilege	1864	csrsll.exe
Token: SeDebugPrivilege	1864	csrsll.exe
Token: SeDebugPrivilege	1864	csrsll.exe
Token: SeDebugPrivilege	1864	csrsll.exe
Token: SeDebugPrivilege	1864	csrsll.exe
Token: SeDebugPrivilege	1864	csrsll.exe
Token: SeDebugPrivilege	1864	csrsll.exe
Token: SeDebugPrivilege	1864	csrsll.exe
Token: SeDebugPrivilege	1864	csrsll.exe
Token: SeDebugPrivilege	1864	csrsll.exe
Token: SeDebugPrivilege	1864	csrsll.exe
Token: SeDebugPrivilege	1864	csrsll.exe
Token: SeDebugPrivilege	1864	csrsll.exe
Token: SeDebugPrivilege	1864	csrsll.exe
Token: SeDebugPrivilege	1864	csrsll.exe
Token: SeDebugPrivilege	1864	csrsll.exe
Token: SeDebugPrivilege	1864	csrsll.exe
Token: SeDebugPrivilege	1864	csrsll.exe
Token: SeDebugPrivilege	1864	csrsll.exe
Token: SeDebugPrivilege	1864	csrsll.exe
Token: SeDebugPrivilege	1864	csrsll.exe
Token: SeDebugPrivilege	1864	csrsll.exe
Token: SeDebugPrivilege	1864	csrsll.exe
Token: SeDebugPrivilege	1864	csrsll.exe
Token: SeDebugPrivilege	1864	csrsll.exe
Token: SeDebugPrivilege	1864	csrsll.exe
Token: SeDebugPrivilege	1864	csrsll.exe
Token: SeDebugPrivilege	1864	csrsll.exe
Token: SeDebugPrivilege	1864	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1364	02cf57d278a3384e2d97788b5832e62bf4482976007414b5d2f2c7eb82b18293.exe
2920	02cf57d278a3384e2d97788b5832e62bf4482976007414b5d2f2c7eb82b18293.exe
2784	csrsll.exe
1864	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 1364 wrote to memory of 2920	1364	02cf57d278a3384e2d97788b5832e62bf4482976007414b5d2f2c7eb82b18293.exe	30
PID 1364 wrote to memory of 2920	1364	02cf57d278a3384e2d97788b5832e62bf4482976007414b5d2f2c7eb82b18293.exe	30
PID 1364 wrote to memory of 2920	1364	02cf57d278a3384e2d97788b5832e62bf4482976007414b5d2f2c7eb82b18293.exe	30
PID 1364 wrote to memory of 2920	1364	02cf57d278a3384e2d97788b5832e62bf4482976007414b5d2f2c7eb82b18293.exe	30
PID 1364 wrote to memory of 2920	1364	02cf57d278a3384e2d97788b5832e62bf4482976007414b5d2f2c7eb82b18293.exe	30
PID 1364 wrote to memory of 2920	1364	02cf57d278a3384e2d97788b5832e62bf4482976007414b5d2f2c7eb82b18293.exe	30
PID 1364 wrote to memory of 2920	1364	02cf57d278a3384e2d97788b5832e62bf4482976007414b5d2f2c7eb82b18293.exe	30
PID 1364 wrote to memory of 2920	1364	02cf57d278a3384e2d97788b5832e62bf4482976007414b5d2f2c7eb82b18293.exe	30
PID 2920 wrote to memory of 1040	2920	02cf57d278a3384e2d97788b5832e62bf4482976007414b5d2f2c7eb82b18293.exe	31
PID 2920 wrote to memory of 1040	2920	02cf57d278a3384e2d97788b5832e62bf4482976007414b5d2f2c7eb82b18293.exe	31
PID 2920 wrote to memory of 1040	2920	02cf57d278a3384e2d97788b5832e62bf4482976007414b5d2f2c7eb82b18293.exe	31
PID 2920 wrote to memory of 1040	2920	02cf57d278a3384e2d97788b5832e62bf4482976007414b5d2f2c7eb82b18293.exe	31
PID 1040 wrote to memory of 2356	1040	cmd.exe	33
PID 1040 wrote to memory of 2356	1040	cmd.exe	33
PID 1040 wrote to memory of 2356	1040	cmd.exe	33
PID 1040 wrote to memory of 2356	1040	cmd.exe	33
PID 2920 wrote to memory of 2784	2920	02cf57d278a3384e2d97788b5832e62bf4482976007414b5d2f2c7eb82b18293.exe	34
PID 2920 wrote to memory of 2784	2920	02cf57d278a3384e2d97788b5832e62bf4482976007414b5d2f2c7eb82b18293.exe	34
PID 2920 wrote to memory of 2784	2920	02cf57d278a3384e2d97788b5832e62bf4482976007414b5d2f2c7eb82b18293.exe	34
PID 2920 wrote to memory of 2784	2920	02cf57d278a3384e2d97788b5832e62bf4482976007414b5d2f2c7eb82b18293.exe	34
PID 2784 wrote to memory of 1864	2784	csrsll.exe	35
PID 2784 wrote to memory of 1864	2784	csrsll.exe	35
PID 2784 wrote to memory of 1864	2784	csrsll.exe	35
PID 2784 wrote to memory of 1864	2784	csrsll.exe	35
PID 2784 wrote to memory of 1864	2784	csrsll.exe	35
PID 2784 wrote to memory of 1864	2784	csrsll.exe	35
PID 2784 wrote to memory of 1864	2784	csrsll.exe	35
PID 2784 wrote to memory of 1864	2784	csrsll.exe	35
PID 2784 wrote to memory of 828	2784	csrsll.exe	36
PID 2784 wrote to memory of 828	2784	csrsll.exe	36
PID 2784 wrote to memory of 828	2784	csrsll.exe	36
PID 2784 wrote to memory of 828	2784	csrsll.exe	36
PID 2784 wrote to memory of 828	2784	csrsll.exe	36
PID 2784 wrote to memory of 828	2784	csrsll.exe	36
PID 2784 wrote to memory of 828	2784	csrsll.exe	36
PID 2784 wrote to memory of 828	2784	csrsll.exe	36

C:\Users\Admin\AppData\Local\Temp\02cf57d278a3384e2d97788b5832e62bf4482976007414b5d2f2c7eb82b18293.exe
"C:\Users\Admin\AppData\Local\Temp\02cf57d278a3384e2d97788b5832e62bf4482976007414b5d2f2c7eb82b18293.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1364
- C:\Users\Admin\AppData\Local\Temp\02cf57d278a3384e2d97788b5832e62bf4482976007414b5d2f2c7eb82b18293.exe
  "C:\Users\Admin\AppData\Local\Temp\02cf57d278a3384e2d97788b5832e62bf4482976007414b5d2f2c7eb82b18293.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2920
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\QNMQD.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1040
  - - 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:2356
- - 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:2784
  - - 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:1864
  - - 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:828

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\QNMQD.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
300KB

MD5
7cee8e737ecc2ca06c56beecec8317a9

SHA1
a5de967c5aa9630dbae14e1f80b3345545e74770

SHA256
ad4c732f79482a1439ecb20938a9cd038ab66b25bb15e70cbac6e4d3c8f39adb

SHA512
085f843f0d107be806d338c5789bfcfc5c7a5d7c8913c826a56e2fab924ce8e9ccb292d066ad3f318334c95b8fe8ea9bac50cd01cad24a59cac2ae00b0c9eb0b

Download Submit
memory/828-254-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/828-244-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1364-84-0x00000000005E0000-0x00000000005E2000-memory.dmp

Filesize
8KB

Download
memory/1364-59-0x0000000000330000-0x0000000000331000-memory.dmp

Filesize
4KB

Download
memory/1364-85-0x00000000005F0000-0x00000000005F2000-memory.dmp

Filesize
8KB

Download
memory/1364-0-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1364-79-0x00000000003F0000-0x00000000003F2000-memory.dmp

Filesize
8KB

Download
memory/1364-77-0x00000000003F0000-0x00000000003F2000-memory.dmp

Filesize
8KB

Download
memory/1364-69-0x0000000000350000-0x0000000000351000-memory.dmp

Filesize
4KB

Download
memory/1364-27-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/1364-39-0x00000000002E0000-0x00000000002E1000-memory.dmp

Filesize
4KB

Download
memory/1364-3-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/1364-5-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/1364-15-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/1364-90-0x0000000002360000-0x0000000002362000-memory.dmp

Filesize
8KB

Download
memory/1864-251-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2784-150-0x00000000002C0000-0x00000000002C1000-memory.dmp

Filesize
4KB

Download
memory/2784-172-0x0000000000300000-0x0000000000301000-memory.dmp

Filesize
4KB

Download
memory/2784-160-0x00000000002E0000-0x00000000002E1000-memory.dmp

Filesize
4KB

Download
memory/2920-103-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2920-105-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2920-91-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2920-95-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2920-97-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2920-237-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2920-102-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2920-247-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2920-99-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2920-93-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads