modiloader | 1d98095ef74f0fd58bf1b844897e78556e531597db21795fb92f72fa6fca5bbe

Analysis

max time kernel
119s
max time network
17s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
19-12-2024 03:07

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General

Target

1d98095ef74f0fd58bf1b844897e78556e531597db21795fb92f72fa6fca5bbeN.exe
Size

90KB
MD5

77e8ee6dba863ab5781b34af6bd39570
SHA1

48f5b6ce654091910bafe91d61b5ab3be5244377
SHA256

1d98095ef74f0fd58bf1b844897e78556e531597db21795fb92f72fa6fca5bbe
SHA512

8625ae1cd3f3c9a6757280954ed10680b6a632b3c7a6a0f32a0f3e6f4a94db755805603c2b010af68009dc81be32ba05ad4c0ad490499d2dde1014b4127b6dda
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDK:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3Y

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/2264-255-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral1/memory/2264-257-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
2520	csrsll.exe
688	csrsll.exe
2264	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
2644	1d98095ef74f0fd58bf1b844897e78556e531597db21795fb92f72fa6fca5bbeN.exe
2644	1d98095ef74f0fd58bf1b844897e78556e531597db21795fb92f72fa6fca5bbeN.exe
2644	1d98095ef74f0fd58bf1b844897e78556e531597db21795fb92f72fa6fca5bbeN.exe
2644	1d98095ef74f0fd58bf1b844897e78556e531597db21795fb92f72fa6fca5bbeN.exe
2644	1d98095ef74f0fd58bf1b844897e78556e531597db21795fb92f72fa6fca5bbeN.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-1-5-21-3551809350-4263495960-1443967649-1000\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 2396 set thread context of 2644	2396	1d98095ef74f0fd58bf1b844897e78556e531597db21795fb92f72fa6fca5bbeN.exe	31
PID 2520 set thread context of 688	2520	csrsll.exe	36
PID 2520 set thread context of 2264	2520	csrsll.exe	37

UPX packed file 22 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2396-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2644-102-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2396-89-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2644-106-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2396-105-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2644-101-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2644-100-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2644-98-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2644-94-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2644-92-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2396-26-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2644-131-0x0000000003480000-0x00000000034D3000-memory.dmp	upx
behavioral1/files/0x0009000000019329-129.dat	upx
behavioral1/memory/2520-151-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2644-152-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2520-219-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2644-253-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2264-255-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/688-254-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2520-248-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2264-257-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/688-256-0x0000000000400000-0x000000000040B000-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	1d98095ef74f0fd58bf1b844897e78556e531597db21795fb92f72fa6fca5bbeN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1d98095ef74f0fd58bf1b844897e78556e531597db21795fb92f72fa6fca5bbeN.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	688	csrsll.exe
Token: SeDebugPrivilege	688	csrsll.exe
Token: SeDebugPrivilege	688	csrsll.exe
Token: SeDebugPrivilege	688	csrsll.exe
Token: SeDebugPrivilege	688	csrsll.exe
Token: SeDebugPrivilege	688	csrsll.exe
Token: SeDebugPrivilege	688	csrsll.exe
Token: SeDebugPrivilege	688	csrsll.exe
Token: SeDebugPrivilege	688	csrsll.exe
Token: SeDebugPrivilege	688	csrsll.exe
Token: SeDebugPrivilege	688	csrsll.exe
Token: SeDebugPrivilege	688	csrsll.exe
Token: SeDebugPrivilege	688	csrsll.exe
Token: SeDebugPrivilege	688	csrsll.exe
Token: SeDebugPrivilege	688	csrsll.exe
Token: SeDebugPrivilege	688	csrsll.exe
Token: SeDebugPrivilege	688	csrsll.exe
Token: SeDebugPrivilege	688	csrsll.exe
Token: SeDebugPrivilege	688	csrsll.exe
Token: SeDebugPrivilege	688	csrsll.exe
Token: SeDebugPrivilege	688	csrsll.exe
Token: SeDebugPrivilege	688	csrsll.exe
Token: SeDebugPrivilege	688	csrsll.exe
Token: SeDebugPrivilege	688	csrsll.exe
Token: SeDebugPrivilege	688	csrsll.exe
Token: SeDebugPrivilege	688	csrsll.exe
Token: SeDebugPrivilege	688	csrsll.exe
Token: SeDebugPrivilege	688	csrsll.exe
Token: SeDebugPrivilege	688	csrsll.exe
Token: SeDebugPrivilege	688	csrsll.exe
Token: SeDebugPrivilege	688	csrsll.exe
Token: SeDebugPrivilege	688	csrsll.exe
Token: SeDebugPrivilege	688	csrsll.exe
Token: SeDebugPrivilege	688	csrsll.exe
Token: SeDebugPrivilege	688	csrsll.exe
Token: SeDebugPrivilege	688	csrsll.exe
Token: SeDebugPrivilege	688	csrsll.exe
Token: SeDebugPrivilege	688	csrsll.exe
Token: SeDebugPrivilege	688	csrsll.exe
Token: SeDebugPrivilege	688	csrsll.exe
Token: SeDebugPrivilege	688	csrsll.exe
Token: SeDebugPrivilege	688	csrsll.exe
Token: SeDebugPrivilege	688	csrsll.exe
Token: SeDebugPrivilege	688	csrsll.exe
Token: SeDebugPrivilege	688	csrsll.exe
Token: SeDebugPrivilege	688	csrsll.exe
Token: SeDebugPrivilege	688	csrsll.exe
Token: SeDebugPrivilege	688	csrsll.exe
Token: SeDebugPrivilege	688	csrsll.exe
Token: SeDebugPrivilege	688	csrsll.exe
Token: SeDebugPrivilege	688	csrsll.exe
Token: SeDebugPrivilege	688	csrsll.exe
Token: SeDebugPrivilege	688	csrsll.exe
Token: SeDebugPrivilege	688	csrsll.exe
Token: SeDebugPrivilege	688	csrsll.exe
Token: SeDebugPrivilege	688	csrsll.exe
Token: SeDebugPrivilege	688	csrsll.exe
Token: SeDebugPrivilege	688	csrsll.exe
Token: SeDebugPrivilege	688	csrsll.exe
Token: SeDebugPrivilege	688	csrsll.exe
Token: SeDebugPrivilege	688	csrsll.exe
Token: SeDebugPrivilege	688	csrsll.exe
Token: SeDebugPrivilege	688	csrsll.exe
Token: SeDebugPrivilege	688	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2396	1d98095ef74f0fd58bf1b844897e78556e531597db21795fb92f72fa6fca5bbeN.exe
2644	1d98095ef74f0fd58bf1b844897e78556e531597db21795fb92f72fa6fca5bbeN.exe
2520	csrsll.exe
688	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2396 wrote to memory of 2644	2396	1d98095ef74f0fd58bf1b844897e78556e531597db21795fb92f72fa6fca5bbeN.exe	31
PID 2396 wrote to memory of 2644	2396	1d98095ef74f0fd58bf1b844897e78556e531597db21795fb92f72fa6fca5bbeN.exe	31
PID 2396 wrote to memory of 2644	2396	1d98095ef74f0fd58bf1b844897e78556e531597db21795fb92f72fa6fca5bbeN.exe	31
PID 2396 wrote to memory of 2644	2396	1d98095ef74f0fd58bf1b844897e78556e531597db21795fb92f72fa6fca5bbeN.exe	31
PID 2396 wrote to memory of 2644	2396	1d98095ef74f0fd58bf1b844897e78556e531597db21795fb92f72fa6fca5bbeN.exe	31
PID 2396 wrote to memory of 2644	2396	1d98095ef74f0fd58bf1b844897e78556e531597db21795fb92f72fa6fca5bbeN.exe	31
PID 2396 wrote to memory of 2644	2396	1d98095ef74f0fd58bf1b844897e78556e531597db21795fb92f72fa6fca5bbeN.exe	31
PID 2396 wrote to memory of 2644	2396	1d98095ef74f0fd58bf1b844897e78556e531597db21795fb92f72fa6fca5bbeN.exe	31
PID 2644 wrote to memory of 1476	2644	1d98095ef74f0fd58bf1b844897e78556e531597db21795fb92f72fa6fca5bbeN.exe	32
PID 2644 wrote to memory of 1476	2644	1d98095ef74f0fd58bf1b844897e78556e531597db21795fb92f72fa6fca5bbeN.exe	32
PID 2644 wrote to memory of 1476	2644	1d98095ef74f0fd58bf1b844897e78556e531597db21795fb92f72fa6fca5bbeN.exe	32
PID 2644 wrote to memory of 1476	2644	1d98095ef74f0fd58bf1b844897e78556e531597db21795fb92f72fa6fca5bbeN.exe	32
PID 1476 wrote to memory of 2196	1476	cmd.exe	34
PID 1476 wrote to memory of 2196	1476	cmd.exe	34
PID 1476 wrote to memory of 2196	1476	cmd.exe	34
PID 1476 wrote to memory of 2196	1476	cmd.exe	34
PID 2644 wrote to memory of 2520	2644	1d98095ef74f0fd58bf1b844897e78556e531597db21795fb92f72fa6fca5bbeN.exe	35
PID 2644 wrote to memory of 2520	2644	1d98095ef74f0fd58bf1b844897e78556e531597db21795fb92f72fa6fca5bbeN.exe	35
PID 2644 wrote to memory of 2520	2644	1d98095ef74f0fd58bf1b844897e78556e531597db21795fb92f72fa6fca5bbeN.exe	35
PID 2644 wrote to memory of 2520	2644	1d98095ef74f0fd58bf1b844897e78556e531597db21795fb92f72fa6fca5bbeN.exe	35
PID 2520 wrote to memory of 688	2520	csrsll.exe	36
PID 2520 wrote to memory of 688	2520	csrsll.exe	36
PID 2520 wrote to memory of 688	2520	csrsll.exe	36
PID 2520 wrote to memory of 688	2520	csrsll.exe	36
PID 2520 wrote to memory of 688	2520	csrsll.exe	36
PID 2520 wrote to memory of 688	2520	csrsll.exe	36
PID 2520 wrote to memory of 688	2520	csrsll.exe	36
PID 2520 wrote to memory of 688	2520	csrsll.exe	36
PID 2520 wrote to memory of 2264	2520	csrsll.exe	37
PID 2520 wrote to memory of 2264	2520	csrsll.exe	37
PID 2520 wrote to memory of 2264	2520	csrsll.exe	37
PID 2520 wrote to memory of 2264	2520	csrsll.exe	37
PID 2520 wrote to memory of 2264	2520	csrsll.exe	37
PID 2520 wrote to memory of 2264	2520	csrsll.exe	37
PID 2520 wrote to memory of 2264	2520	csrsll.exe	37
PID 2520 wrote to memory of 2264	2520	csrsll.exe	37

C:\Users\Admin\AppData\Local\Temp\1d98095ef74f0fd58bf1b844897e78556e531597db21795fb92f72fa6fca5bbeN.exe
"C:\Users\Admin\AppData\Local\Temp\1d98095ef74f0fd58bf1b844897e78556e531597db21795fb92f72fa6fca5bbeN.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2396
- C:\Users\Admin\AppData\Local\Temp\1d98095ef74f0fd58bf1b844897e78556e531597db21795fb92f72fa6fca5bbeN.exe
  "C:\Users\Admin\AppData\Local\Temp\1d98095ef74f0fd58bf1b844897e78556e531597db21795fb92f72fa6fca5bbeN.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2644
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\MHMIJ.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1476
  - - 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:2196
- - 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:2520
  - - 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:688
  - - 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:2264

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\MHMIJ.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
e8bbfd65b53c576bcb342a1f8d43db7f

SHA1
ded8cc741f11581cdcad197442ed8206b08122e6

SHA256
328cbce75df69bc51bd7dfdf06598ffc0e0ed1defedfebf28394925633705eca

SHA512
dde5ddedf3d6ee69baea0d0ec4c1aa802a2c1442b436f22f92bbdc3b7d5e73c8fbf2f487b41029f1bdba730210438b130d609dacc75d66379639c99df0420563

Download Submit
memory/688-256-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/688-254-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2264-255-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2264-257-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2396-26-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2396-3-0x00000000002C0000-0x00000000002C1000-memory.dmp

Filesize
4KB

Download
memory/2396-89-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2396-29-0x0000000000340000-0x0000000000341000-memory.dmp

Filesize
4KB

Download
memory/2396-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2396-5-0x00000000002C0000-0x00000000002C1000-memory.dmp

Filesize
4KB

Download
memory/2396-15-0x0000000000320000-0x0000000000321000-memory.dmp

Filesize
4KB

Download
memory/2396-41-0x0000000000360000-0x0000000000361000-memory.dmp

Filesize
4KB

Download
memory/2396-61-0x00000000003F0000-0x00000000003F1000-memory.dmp

Filesize
4KB

Download
memory/2396-105-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2396-71-0x0000000000470000-0x0000000000471000-memory.dmp

Filesize
4KB

Download
memory/2396-25-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/2396-79-0x0000000000490000-0x0000000000492000-memory.dmp

Filesize
8KB

Download
memory/2520-176-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/2520-248-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2520-155-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2520-151-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2520-219-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2520-165-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/2644-100-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2644-148-0x0000000003480000-0x00000000034D3000-memory.dmp

Filesize
332KB

Download
memory/2644-147-0x0000000003480000-0x00000000034D3000-memory.dmp

Filesize
332KB

Download
memory/2644-150-0x0000000003480000-0x00000000034D3000-memory.dmp

Filesize
332KB

Download
memory/2644-149-0x0000000003480000-0x00000000034D3000-memory.dmp

Filesize
332KB

Download
memory/2644-152-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2644-131-0x0000000003480000-0x00000000034D3000-memory.dmp

Filesize
332KB

Download
memory/2644-90-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2644-92-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2644-94-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2644-253-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2644-96-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2644-98-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2644-101-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2644-106-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2644-102-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads