modiloader | 506e304d1701fe146be9e976b37c96d4521e0883ff515db21c5c82dc64d9b2fc

Analysis

max time kernel
120s
max time network
120s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
10-11-2024 04:46

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General

Target

506e304d1701fe146be9e976b37c96d4521e0883ff515db21c5c82dc64d9b2fcN.exe
Size

94KB
MD5

263f022f4e1165d0aa1f05f8f5b6b6e0
SHA1

d1ad3b6b523cb4b02bff114bc657f6d83922c4af
SHA256

506e304d1701fe146be9e976b37c96d4521e0883ff515db21c5c82dc64d9b2fc
SHA512

2ffbf152c75a7eec52b49fef44d3cc30c3a75b712c447841845715c1860b843a94e949635e8e6a573a85b7940c3e38481bf2f010356f44424676767a2b281073
SSDEEP

1536:/pdyL9GjGiwA1z0PmVggNJKbFD2BBMx1RiwmPJr3raDk5BRf13KH9m2POE/:/pdyLALwACPmV3NYaYLiwIt3raA5BRfM

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/180524-147853-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral1/memory/180524-147860-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
185232	csrsll.exe
180524	csrsll.exe
180584	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
184848	506e304d1701fe146be9e976b37c96d4521e0883ff515db21c5c82dc64d9b2fcN.exe
184848	506e304d1701fe146be9e976b37c96d4521e0883ff515db21c5c82dc64d9b2fcN.exe
184848	506e304d1701fe146be9e976b37c96d4521e0883ff515db21c5c82dc64d9b2fcN.exe
184848	506e304d1701fe146be9e976b37c96d4521e0883ff515db21c5c82dc64d9b2fcN.exe
184848	506e304d1701fe146be9e976b37c96d4521e0883ff515db21c5c82dc64d9b2fcN.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-1-5-21-1163522206-1469769407-485553996-1000\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 2556 set thread context of 184848	2556	506e304d1701fe146be9e976b37c96d4521e0883ff515db21c5c82dc64d9b2fcN.exe	31
PID 185232 set thread context of 180584	185232	csrsll.exe	36
PID 185232 set thread context of 180524	185232	csrsll.exe	37

UPX packed file 16 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2556-0-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/2556-178-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/184848-73937-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2556-73930-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/184848-73926-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/184848-73925-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/184848-73924-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/184848-73921-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/184848-73919-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/184848-73959-0x0000000003230000-0x0000000003286000-memory.dmp	upx
behavioral1/files/0x000a00000001755b-73957.dat	upx
behavioral1/memory/180584-147854-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/180524-147853-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/185232-147852-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/184848-147857-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/180524-147860-0x0000000000400000-0x0000000000414000-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	506e304d1701fe146be9e976b37c96d4521e0883ff515db21c5c82dc64d9b2fcN.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	506e304d1701fe146be9e976b37c96d4521e0883ff515db21c5c82dc64d9b2fcN.exe

Suspicious use of AdjustPrivilegeToken 39 IoCs

description	pid	Process
Token: SeDebugPrivilege	180584	csrsll.exe
Token: SeDebugPrivilege	180584	csrsll.exe
Token: SeDebugPrivilege	180584	csrsll.exe
Token: SeDebugPrivilege	180584	csrsll.exe
Token: SeDebugPrivilege	180584	csrsll.exe
Token: SeDebugPrivilege	180584	csrsll.exe
Token: SeDebugPrivilege	180584	csrsll.exe
Token: SeDebugPrivilege	180584	csrsll.exe
Token: SeDebugPrivilege	180584	csrsll.exe
Token: SeDebugPrivilege	180584	csrsll.exe
Token: SeDebugPrivilege	180584	csrsll.exe
Token: SeDebugPrivilege	180584	csrsll.exe
Token: SeDebugPrivilege	180584	csrsll.exe
Token: SeDebugPrivilege	180584	csrsll.exe
Token: SeDebugPrivilege	180584	csrsll.exe
Token: SeDebugPrivilege	180584	csrsll.exe
Token: SeDebugPrivilege	180584	csrsll.exe
Token: SeDebugPrivilege	180584	csrsll.exe
Token: SeDebugPrivilege	180584	csrsll.exe
Token: SeDebugPrivilege	180584	csrsll.exe
Token: SeDebugPrivilege	180584	csrsll.exe
Token: SeDebugPrivilege	180584	csrsll.exe
Token: SeDebugPrivilege	180584	csrsll.exe
Token: SeDebugPrivilege	180584	csrsll.exe
Token: SeDebugPrivilege	180584	csrsll.exe
Token: SeDebugPrivilege	180584	csrsll.exe
Token: SeDebugPrivilege	180584	csrsll.exe
Token: SeDebugPrivilege	180584	csrsll.exe
Token: SeDebugPrivilege	180584	csrsll.exe
Token: SeDebugPrivilege	180584	csrsll.exe
Token: SeDebugPrivilege	180584	csrsll.exe
Token: SeDebugPrivilege	180584	csrsll.exe
Token: SeDebugPrivilege	180584	csrsll.exe
Token: SeDebugPrivilege	180584	csrsll.exe
Token: SeDebugPrivilege	180584	csrsll.exe
Token: SeDebugPrivilege	180584	csrsll.exe
Token: SeDebugPrivilege	180584	csrsll.exe
Token: SeDebugPrivilege	180584	csrsll.exe
Token: SeDebugPrivilege	180584	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2556	506e304d1701fe146be9e976b37c96d4521e0883ff515db21c5c82dc64d9b2fcN.exe
184848	506e304d1701fe146be9e976b37c96d4521e0883ff515db21c5c82dc64d9b2fcN.exe
185232	csrsll.exe
180584	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2556 wrote to memory of 184848	2556	506e304d1701fe146be9e976b37c96d4521e0883ff515db21c5c82dc64d9b2fcN.exe	31
PID 2556 wrote to memory of 184848	2556	506e304d1701fe146be9e976b37c96d4521e0883ff515db21c5c82dc64d9b2fcN.exe	31
PID 2556 wrote to memory of 184848	2556	506e304d1701fe146be9e976b37c96d4521e0883ff515db21c5c82dc64d9b2fcN.exe	31
PID 2556 wrote to memory of 184848	2556	506e304d1701fe146be9e976b37c96d4521e0883ff515db21c5c82dc64d9b2fcN.exe	31
PID 2556 wrote to memory of 184848	2556	506e304d1701fe146be9e976b37c96d4521e0883ff515db21c5c82dc64d9b2fcN.exe	31
PID 2556 wrote to memory of 184848	2556	506e304d1701fe146be9e976b37c96d4521e0883ff515db21c5c82dc64d9b2fcN.exe	31
PID 2556 wrote to memory of 184848	2556	506e304d1701fe146be9e976b37c96d4521e0883ff515db21c5c82dc64d9b2fcN.exe	31
PID 2556 wrote to memory of 184848	2556	506e304d1701fe146be9e976b37c96d4521e0883ff515db21c5c82dc64d9b2fcN.exe	31
PID 184848 wrote to memory of 185140	184848	506e304d1701fe146be9e976b37c96d4521e0883ff515db21c5c82dc64d9b2fcN.exe	32
PID 184848 wrote to memory of 185140	184848	506e304d1701fe146be9e976b37c96d4521e0883ff515db21c5c82dc64d9b2fcN.exe	32
PID 184848 wrote to memory of 185140	184848	506e304d1701fe146be9e976b37c96d4521e0883ff515db21c5c82dc64d9b2fcN.exe	32
PID 184848 wrote to memory of 185140	184848	506e304d1701fe146be9e976b37c96d4521e0883ff515db21c5c82dc64d9b2fcN.exe	32
PID 185140 wrote to memory of 185208	185140	cmd.exe	34
PID 185140 wrote to memory of 185208	185140	cmd.exe	34
PID 185140 wrote to memory of 185208	185140	cmd.exe	34
PID 185140 wrote to memory of 185208	185140	cmd.exe	34
PID 184848 wrote to memory of 185232	184848	506e304d1701fe146be9e976b37c96d4521e0883ff515db21c5c82dc64d9b2fcN.exe	35
PID 184848 wrote to memory of 185232	184848	506e304d1701fe146be9e976b37c96d4521e0883ff515db21c5c82dc64d9b2fcN.exe	35
PID 184848 wrote to memory of 185232	184848	506e304d1701fe146be9e976b37c96d4521e0883ff515db21c5c82dc64d9b2fcN.exe	35
PID 184848 wrote to memory of 185232	184848	506e304d1701fe146be9e976b37c96d4521e0883ff515db21c5c82dc64d9b2fcN.exe	35
PID 185232 wrote to memory of 180584	185232	csrsll.exe	36
PID 185232 wrote to memory of 180584	185232	csrsll.exe	36
PID 185232 wrote to memory of 180584	185232	csrsll.exe	36
PID 185232 wrote to memory of 180584	185232	csrsll.exe	36
PID 185232 wrote to memory of 180584	185232	csrsll.exe	36
PID 185232 wrote to memory of 180584	185232	csrsll.exe	36
PID 185232 wrote to memory of 180584	185232	csrsll.exe	36
PID 185232 wrote to memory of 180584	185232	csrsll.exe	36
PID 185232 wrote to memory of 180524	185232	csrsll.exe	37
PID 185232 wrote to memory of 180524	185232	csrsll.exe	37
PID 185232 wrote to memory of 180524	185232	csrsll.exe	37
PID 185232 wrote to memory of 180524	185232	csrsll.exe	37
PID 185232 wrote to memory of 180524	185232	csrsll.exe	37
PID 185232 wrote to memory of 180524	185232	csrsll.exe	37
PID 185232 wrote to memory of 180524	185232	csrsll.exe	37
PID 185232 wrote to memory of 180524	185232	csrsll.exe	37

C:\Users\Admin\AppData\Local\Temp\506e304d1701fe146be9e976b37c96d4521e0883ff515db21c5c82dc64d9b2fcN.exe
"C:\Users\Admin\AppData\Local\Temp\506e304d1701fe146be9e976b37c96d4521e0883ff515db21c5c82dc64d9b2fcN.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2556
- C:\Users\Admin\AppData\Local\Temp\506e304d1701fe146be9e976b37c96d4521e0883ff515db21c5c82dc64d9b2fcN.exe
  "C:\Users\Admin\AppData\Local\Temp\506e304d1701fe146be9e976b37c96d4521e0883ff515db21c5c82dc64d9b2fcN.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:184848
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\QRNMG.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:185140
  - - 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:185208
- - 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:185232
  - - 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:180584
  - - 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:180524

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\QRNMG.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
94KB

MD5
8c6196f850653b9c86b6a1e24b7254ce

SHA1
ec3006504c7500f99dab6fa8db1d2dcbcdad1e2c

SHA256
ccb834d7705873aa8c3809735a32121c94289df9a5433dd85c9b8ca22dcaab2b

SHA512
48c024f90f0994bcd9fe07a682405c64f0300e544ff8e45c22fa940efcc05dab6a4cb12e2e23eaa86536df933026f8cd0390454ade3a16b226aee41c83d27a06

Download Submit
memory/2556-29841-0x0000000000090000-0x0000000000190000-memory.dmp

Filesize
1024KB

Download
memory/2556-3-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2556-29867-0x0000000000090000-0x0000000000190000-memory.dmp

Filesize
1024KB

Download
memory/2556-29842-0x0000000000090000-0x0000000000190000-memory.dmp

Filesize
1024KB

Download
memory/2556-0-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/2556-178-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/2556-73930-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/2556-13-0x0000000000405000-0x0000000000406000-memory.dmp

Filesize
4KB

Download
memory/180524-147853-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/180524-147860-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/180584-147854-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/184848-73926-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/184848-73925-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/184848-73917-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/184848-73973-0x0000000003230000-0x0000000003286000-memory.dmp

Filesize
344KB

Download
memory/184848-73924-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/184848-73919-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/184848-73972-0x0000000003230000-0x0000000003286000-memory.dmp

Filesize
344KB

Download
memory/184848-73937-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/184848-73959-0x0000000003230000-0x0000000003286000-memory.dmp

Filesize
344KB

Download
memory/184848-73921-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/184848-147857-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/184848-73923-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/185232-147852-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads