modiloader | 83b729165156b3523ed67086642ead97bc5be9918a16c7851c391ace77d7364a

Analysis

max time kernel
119s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
28-09-2024 14:04

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

83b729165156b3523ed67086642ead97bc5be9918a16c7851c391ace77d7364aN.exe
Size

90KB
MD5

99d2b943caa43113f2f1a59004217520
SHA1

dcd000440d2f5980f85327fb1f40fd5b0872654e
SHA256

83b729165156b3523ed67086642ead97bc5be9918a16c7851c391ace77d7364a
SHA512

83c9ac523b697d463412c7deae5435d5e13a039a0f61eb59e42ca2fbc2c49c6cd99dfd0b435971914c76f6aadd80fb450bf9ee6ec9a09a917c47680bae9e93ad
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 Second Stage 1 IoCs

resource	yara_rule
behavioral1/memory/1696-263-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
2540	csrsll.exe
1872	csrsll.exe
1696	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
2572	83b729165156b3523ed67086642ead97bc5be9918a16c7851c391ace77d7364aN.exe
2572	83b729165156b3523ed67086642ead97bc5be9918a16c7851c391ace77d7364aN.exe
2572	83b729165156b3523ed67086642ead97bc5be9918a16c7851c391ace77d7364aN.exe
2572	83b729165156b3523ed67086642ead97bc5be9918a16c7851c391ace77d7364aN.exe
2572	83b729165156b3523ed67086642ead97bc5be9918a16c7851c391ace77d7364aN.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-1-5-21-3063565911-2056067323-3330884624-1000\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 276 set thread context of 2572	276	83b729165156b3523ed67086642ead97bc5be9918a16c7851c391ace77d7364aN.exe	31
PID 2540 set thread context of 1872	2540	csrsll.exe	36
PID 2540 set thread context of 1696	2540	csrsll.exe	37

UPX packed file 23 IoCs

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

upx

resource	yara_rule
behavioral1/memory/276-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/276-34-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/276-92-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/276-83-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/276-99-0x00000000023E0000-0x0000000002433000-memory.dmp	upx
behavioral1/memory/2572-97-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2572-95-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/276-82-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/276-79-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2572-107-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/276-109-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2572-105-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2572-104-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2572-102-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x0005000000004ed7-153.dat	upx
behavioral1/memory/2572-148-0x0000000003460000-0x00000000034B3000-memory.dmp	upx
behavioral1/memory/2572-156-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2540-216-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1696-249-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/2540-251-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2572-258-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1872-260-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1696-263-0x0000000000400000-0x0000000000414000-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	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	83b729165156b3523ed67086642ead97bc5be9918a16c7851c391ace77d7364aN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	83b729165156b3523ed67086642ead97bc5be9918a16c7851c391ace77d7364aN.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

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	1872	csrsll.exe
Token: SeDebugPrivilege	1872	csrsll.exe
Token: SeDebugPrivilege	1872	csrsll.exe
Token: SeDebugPrivilege	1872	csrsll.exe
Token: SeDebugPrivilege	1872	csrsll.exe
Token: SeDebugPrivilege	1872	csrsll.exe
Token: SeDebugPrivilege	1872	csrsll.exe
Token: SeDebugPrivilege	1872	csrsll.exe
Token: SeDebugPrivilege	1872	csrsll.exe
Token: SeDebugPrivilege	1872	csrsll.exe
Token: SeDebugPrivilege	1872	csrsll.exe
Token: SeDebugPrivilege	1872	csrsll.exe
Token: SeDebugPrivilege	1872	csrsll.exe
Token: SeDebugPrivilege	1872	csrsll.exe
Token: SeDebugPrivilege	1872	csrsll.exe
Token: SeDebugPrivilege	1872	csrsll.exe
Token: SeDebugPrivilege	1872	csrsll.exe
Token: SeDebugPrivilege	1872	csrsll.exe
Token: SeDebugPrivilege	1872	csrsll.exe
Token: SeDebugPrivilege	1872	csrsll.exe
Token: SeDebugPrivilege	1872	csrsll.exe
Token: SeDebugPrivilege	1872	csrsll.exe
Token: SeDebugPrivilege	1872	csrsll.exe
Token: SeDebugPrivilege	1872	csrsll.exe
Token: SeDebugPrivilege	1872	csrsll.exe
Token: SeDebugPrivilege	1872	csrsll.exe
Token: SeDebugPrivilege	1872	csrsll.exe
Token: SeDebugPrivilege	1872	csrsll.exe
Token: SeDebugPrivilege	1872	csrsll.exe
Token: SeDebugPrivilege	1872	csrsll.exe
Token: SeDebugPrivilege	1872	csrsll.exe
Token: SeDebugPrivilege	1872	csrsll.exe
Token: SeDebugPrivilege	1872	csrsll.exe
Token: SeDebugPrivilege	1872	csrsll.exe
Token: SeDebugPrivilege	1872	csrsll.exe
Token: SeDebugPrivilege	1872	csrsll.exe
Token: SeDebugPrivilege	1872	csrsll.exe
Token: SeDebugPrivilege	1872	csrsll.exe
Token: SeDebugPrivilege	1872	csrsll.exe
Token: SeDebugPrivilege	1872	csrsll.exe
Token: SeDebugPrivilege	1872	csrsll.exe
Token: SeDebugPrivilege	1872	csrsll.exe
Token: SeDebugPrivilege	1872	csrsll.exe
Token: SeDebugPrivilege	1872	csrsll.exe
Token: SeDebugPrivilege	1872	csrsll.exe
Token: SeDebugPrivilege	1872	csrsll.exe
Token: SeDebugPrivilege	1872	csrsll.exe
Token: SeDebugPrivilege	1872	csrsll.exe
Token: SeDebugPrivilege	1872	csrsll.exe
Token: SeDebugPrivilege	1872	csrsll.exe
Token: SeDebugPrivilege	1872	csrsll.exe
Token: SeDebugPrivilege	1872	csrsll.exe
Token: SeDebugPrivilege	1872	csrsll.exe
Token: SeDebugPrivilege	1872	csrsll.exe
Token: SeDebugPrivilege	1872	csrsll.exe
Token: SeDebugPrivilege	1872	csrsll.exe
Token: SeDebugPrivilege	1872	csrsll.exe
Token: SeDebugPrivilege	1872	csrsll.exe
Token: SeDebugPrivilege	1872	csrsll.exe
Token: SeDebugPrivilege	1872	csrsll.exe
Token: SeDebugPrivilege	1872	csrsll.exe
Token: SeDebugPrivilege	1872	csrsll.exe
Token: SeDebugPrivilege	1872	csrsll.exe
Token: SeDebugPrivilege	1872	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
276	83b729165156b3523ed67086642ead97bc5be9918a16c7851c391ace77d7364aN.exe
2572	83b729165156b3523ed67086642ead97bc5be9918a16c7851c391ace77d7364aN.exe
2540	csrsll.exe
1872	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 276 wrote to memory of 2572	276	83b729165156b3523ed67086642ead97bc5be9918a16c7851c391ace77d7364aN.exe	31
PID 276 wrote to memory of 2572	276	83b729165156b3523ed67086642ead97bc5be9918a16c7851c391ace77d7364aN.exe	31
PID 276 wrote to memory of 2572	276	83b729165156b3523ed67086642ead97bc5be9918a16c7851c391ace77d7364aN.exe	31
PID 276 wrote to memory of 2572	276	83b729165156b3523ed67086642ead97bc5be9918a16c7851c391ace77d7364aN.exe	31
PID 276 wrote to memory of 2572	276	83b729165156b3523ed67086642ead97bc5be9918a16c7851c391ace77d7364aN.exe	31
PID 276 wrote to memory of 2572	276	83b729165156b3523ed67086642ead97bc5be9918a16c7851c391ace77d7364aN.exe	31
PID 276 wrote to memory of 2572	276	83b729165156b3523ed67086642ead97bc5be9918a16c7851c391ace77d7364aN.exe	31
PID 276 wrote to memory of 2572	276	83b729165156b3523ed67086642ead97bc5be9918a16c7851c391ace77d7364aN.exe	31
PID 2572 wrote to memory of 2896	2572	83b729165156b3523ed67086642ead97bc5be9918a16c7851c391ace77d7364aN.exe	32
PID 2572 wrote to memory of 2896	2572	83b729165156b3523ed67086642ead97bc5be9918a16c7851c391ace77d7364aN.exe	32
PID 2572 wrote to memory of 2896	2572	83b729165156b3523ed67086642ead97bc5be9918a16c7851c391ace77d7364aN.exe	32
PID 2572 wrote to memory of 2896	2572	83b729165156b3523ed67086642ead97bc5be9918a16c7851c391ace77d7364aN.exe	32
PID 2896 wrote to memory of 1564	2896	cmd.exe	34
PID 2896 wrote to memory of 1564	2896	cmd.exe	34
PID 2896 wrote to memory of 1564	2896	cmd.exe	34
PID 2896 wrote to memory of 1564	2896	cmd.exe	34
PID 2572 wrote to memory of 2540	2572	83b729165156b3523ed67086642ead97bc5be9918a16c7851c391ace77d7364aN.exe	35
PID 2572 wrote to memory of 2540	2572	83b729165156b3523ed67086642ead97bc5be9918a16c7851c391ace77d7364aN.exe	35
PID 2572 wrote to memory of 2540	2572	83b729165156b3523ed67086642ead97bc5be9918a16c7851c391ace77d7364aN.exe	35
PID 2572 wrote to memory of 2540	2572	83b729165156b3523ed67086642ead97bc5be9918a16c7851c391ace77d7364aN.exe	35
PID 2540 wrote to memory of 1872	2540	csrsll.exe	36
PID 2540 wrote to memory of 1872	2540	csrsll.exe	36
PID 2540 wrote to memory of 1872	2540	csrsll.exe	36
PID 2540 wrote to memory of 1872	2540	csrsll.exe	36
PID 2540 wrote to memory of 1872	2540	csrsll.exe	36
PID 2540 wrote to memory of 1872	2540	csrsll.exe	36
PID 2540 wrote to memory of 1872	2540	csrsll.exe	36
PID 2540 wrote to memory of 1872	2540	csrsll.exe	36
PID 2540 wrote to memory of 1696	2540	csrsll.exe	37
PID 2540 wrote to memory of 1696	2540	csrsll.exe	37
PID 2540 wrote to memory of 1696	2540	csrsll.exe	37
PID 2540 wrote to memory of 1696	2540	csrsll.exe	37
PID 2540 wrote to memory of 1696	2540	csrsll.exe	37
PID 2540 wrote to memory of 1696	2540	csrsll.exe	37
PID 2540 wrote to memory of 1696	2540	csrsll.exe	37
PID 2540 wrote to memory of 1696	2540	csrsll.exe	37

C:\Users\Admin\AppData\Local\Temp\83b729165156b3523ed67086642ead97bc5be9918a16c7851c391ace77d7364aN.exe
"C:\Users\Admin\AppData\Local\Temp\83b729165156b3523ed67086642ead97bc5be9918a16c7851c391ace77d7364aN.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:276
- C:\Users\Admin\AppData\Local\Temp\83b729165156b3523ed67086642ead97bc5be9918a16c7851c391ace77d7364aN.exe
  "C:\Users\Admin\AppData\Local\Temp\83b729165156b3523ed67086642ead97bc5be9918a16c7851c391ace77d7364aN.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2572
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\NEYDN.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2896
  - - 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:1564
- - 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:2540
  - - 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:1872
  - - 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:1696

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\NEYDN.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
267587be41a8f13ce2f0ae1e7c6bd861

SHA1
a9dac6164d7daa36678b85990ebafdd38190bec2

SHA256
ccc360c20c5008716f35ba574399788244a0d72001707293a966ae7447e72af2

SHA512
7babcacc036ae830c1cffad5b7e92e2a5866fd673e3280cbfce0380c2aa6c0c6599fbcbc2b333fc2ee19b0e56c8374087154593a1273f1a370c5f6c330e07787

Download Submit
memory/276-109-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/276-82-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/276-18-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/276-92-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/276-28-0x0000000000290000-0x0000000000291000-memory.dmp

Filesize
4KB

Download
memory/276-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/276-61-0x00000000003F0000-0x00000000003F1000-memory.dmp

Filesize
4KB

Download
memory/276-41-0x00000000002B0000-0x00000000002B1000-memory.dmp

Filesize
4KB

Download
memory/276-83-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/276-99-0x00000000023E0000-0x0000000002433000-memory.dmp

Filesize
332KB

Download
memory/276-15-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download
memory/276-5-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download
memory/276-3-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download
memory/276-34-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/276-80-0x0000000000500000-0x0000000000502000-memory.dmp

Filesize
8KB

Download
memory/276-79-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/276-71-0x00000000004E0000-0x00000000004E1000-memory.dmp

Filesize
4KB

Download
memory/1696-249-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1696-263-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1872-260-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2540-159-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2540-180-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/2540-251-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2540-169-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/2540-216-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2572-151-0x0000000003460000-0x00000000034B3000-memory.dmp

Filesize
332KB

Download
memory/2572-152-0x0000000003460000-0x00000000034B3000-memory.dmp

Filesize
332KB

Download
memory/2572-150-0x0000000003460000-0x00000000034B3000-memory.dmp

Filesize
332KB

Download
memory/2572-149-0x0000000003460000-0x00000000034B3000-memory.dmp

Filesize
332KB

Download
memory/2572-148-0x0000000003460000-0x00000000034B3000-memory.dmp

Filesize
332KB

Download
memory/2572-156-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2572-97-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2572-105-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2572-95-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2572-93-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2572-102-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2572-107-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2572-243-0x0000000003460000-0x00000000034B3000-memory.dmp

Filesize
332KB

Download
memory/2572-258-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2572-100-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2572-104-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads