modiloader | df65ca6360f94e0319587dce17186dcdf153974032d836bbf4ab27597def407b

Analysis

max time kernel
119s
max time network
17s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
11-11-2024 12:40

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General

Target

f78a45c9c6e021f1204639c0a382a49cb81e4ba8db71f89c2f6533927015232aN.exe
Size

326KB
MD5

1866efe86faa7f3cf01ea0c28298f654
SHA1

ec7c4d3a787f75bb5860bb244a4f47de6b5523a1
SHA256

df65ca6360f94e0319587dce17186dcdf153974032d836bbf4ab27597def407b
SHA512

9c78038f3a2669e178a96f1eeef3b42f226f57a0bb6e99d1bf4bd87aaa6434951316a4c765baef4008f47ec14ed1cf7831bc653e9ccf448c355821058c74bd64
SSDEEP

3072:ce2A0wxDqUpM5scww4chO+O1BmP5DG0sg3i4XZ9WvDZHwdRX/L+gP38XVT:csxD5cwohO+O1sVG0/pZ6iPC8y

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/1660-253-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
1884	csrsll.exe
1288	csrsll.exe
1660	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
2388	f78a45c9c6e021f1204639c0a382a49cb81e4ba8db71f89c2f6533927015232aN.exe
2388	f78a45c9c6e021f1204639c0a382a49cb81e4ba8db71f89c2f6533927015232aN.exe
2388	f78a45c9c6e021f1204639c0a382a49cb81e4ba8db71f89c2f6533927015232aN.exe
2388	f78a45c9c6e021f1204639c0a382a49cb81e4ba8db71f89c2f6533927015232aN.exe
2388	f78a45c9c6e021f1204639c0a382a49cb81e4ba8db71f89c2f6533927015232aN.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-1-5-21-3533259084-2542256011-65585152-1000\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 2848 set thread context of 2388	2848	f78a45c9c6e021f1204639c0a382a49cb81e4ba8db71f89c2f6533927015232aN.exe	31
PID 1884 set thread context of 1288	1884	csrsll.exe	36
PID 1884 set thread context of 1660	1884	csrsll.exe	37

UPX packed file 21 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2848-0-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/2848-92-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/2848-83-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/2848-82-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/2848-79-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/2848-78-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/2388-95-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2848-107-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/2388-106-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2388-104-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2388-103-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2388-101-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2388-98-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x0005000000004ed7-132.dat	upx
behavioral1/memory/2388-153-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1884-215-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/1884-254-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/1660-253-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/1884-252-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/2388-257-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1288-258-0x0000000000400000-0x000000000040B000-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	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f78a45c9c6e021f1204639c0a382a49cb81e4ba8db71f89c2f6533927015232aN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f78a45c9c6e021f1204639c0a382a49cb81e4ba8db71f89c2f6533927015232aN.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	1288	csrsll.exe
Token: SeDebugPrivilege	1288	csrsll.exe
Token: SeDebugPrivilege	1288	csrsll.exe
Token: SeDebugPrivilege	1288	csrsll.exe
Token: SeDebugPrivilege	1288	csrsll.exe
Token: SeDebugPrivilege	1288	csrsll.exe
Token: SeDebugPrivilege	1288	csrsll.exe
Token: SeDebugPrivilege	1288	csrsll.exe
Token: SeDebugPrivilege	1288	csrsll.exe
Token: SeDebugPrivilege	1288	csrsll.exe
Token: SeDebugPrivilege	1288	csrsll.exe
Token: SeDebugPrivilege	1288	csrsll.exe
Token: SeDebugPrivilege	1288	csrsll.exe
Token: SeDebugPrivilege	1288	csrsll.exe
Token: SeDebugPrivilege	1288	csrsll.exe
Token: SeDebugPrivilege	1288	csrsll.exe
Token: SeDebugPrivilege	1288	csrsll.exe
Token: SeDebugPrivilege	1288	csrsll.exe
Token: SeDebugPrivilege	1288	csrsll.exe
Token: SeDebugPrivilege	1288	csrsll.exe
Token: SeDebugPrivilege	1288	csrsll.exe
Token: SeDebugPrivilege	1288	csrsll.exe
Token: SeDebugPrivilege	1288	csrsll.exe
Token: SeDebugPrivilege	1288	csrsll.exe
Token: SeDebugPrivilege	1288	csrsll.exe
Token: SeDebugPrivilege	1288	csrsll.exe
Token: SeDebugPrivilege	1288	csrsll.exe
Token: SeDebugPrivilege	1288	csrsll.exe
Token: SeDebugPrivilege	1288	csrsll.exe
Token: SeDebugPrivilege	1288	csrsll.exe
Token: SeDebugPrivilege	1288	csrsll.exe
Token: SeDebugPrivilege	1288	csrsll.exe
Token: SeDebugPrivilege	1288	csrsll.exe
Token: SeDebugPrivilege	1288	csrsll.exe
Token: SeDebugPrivilege	1288	csrsll.exe
Token: SeDebugPrivilege	1288	csrsll.exe
Token: SeDebugPrivilege	1288	csrsll.exe
Token: SeDebugPrivilege	1288	csrsll.exe
Token: SeDebugPrivilege	1288	csrsll.exe
Token: SeDebugPrivilege	1288	csrsll.exe
Token: SeDebugPrivilege	1288	csrsll.exe
Token: SeDebugPrivilege	1288	csrsll.exe
Token: SeDebugPrivilege	1288	csrsll.exe
Token: SeDebugPrivilege	1288	csrsll.exe
Token: SeDebugPrivilege	1288	csrsll.exe
Token: SeDebugPrivilege	1288	csrsll.exe
Token: SeDebugPrivilege	1288	csrsll.exe
Token: SeDebugPrivilege	1288	csrsll.exe
Token: SeDebugPrivilege	1288	csrsll.exe
Token: SeDebugPrivilege	1288	csrsll.exe
Token: SeDebugPrivilege	1288	csrsll.exe
Token: SeDebugPrivilege	1288	csrsll.exe
Token: SeDebugPrivilege	1288	csrsll.exe
Token: SeDebugPrivilege	1288	csrsll.exe
Token: SeDebugPrivilege	1288	csrsll.exe
Token: SeDebugPrivilege	1288	csrsll.exe
Token: SeDebugPrivilege	1288	csrsll.exe
Token: SeDebugPrivilege	1288	csrsll.exe
Token: SeDebugPrivilege	1288	csrsll.exe
Token: SeDebugPrivilege	1288	csrsll.exe
Token: SeDebugPrivilege	1288	csrsll.exe
Token: SeDebugPrivilege	1288	csrsll.exe
Token: SeDebugPrivilege	1288	csrsll.exe
Token: SeDebugPrivilege	1288	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2848	f78a45c9c6e021f1204639c0a382a49cb81e4ba8db71f89c2f6533927015232aN.exe
2388	f78a45c9c6e021f1204639c0a382a49cb81e4ba8db71f89c2f6533927015232aN.exe
1884	csrsll.exe
1288	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2848 wrote to memory of 2388	2848	f78a45c9c6e021f1204639c0a382a49cb81e4ba8db71f89c2f6533927015232aN.exe	31
PID 2848 wrote to memory of 2388	2848	f78a45c9c6e021f1204639c0a382a49cb81e4ba8db71f89c2f6533927015232aN.exe	31
PID 2848 wrote to memory of 2388	2848	f78a45c9c6e021f1204639c0a382a49cb81e4ba8db71f89c2f6533927015232aN.exe	31
PID 2848 wrote to memory of 2388	2848	f78a45c9c6e021f1204639c0a382a49cb81e4ba8db71f89c2f6533927015232aN.exe	31
PID 2848 wrote to memory of 2388	2848	f78a45c9c6e021f1204639c0a382a49cb81e4ba8db71f89c2f6533927015232aN.exe	31
PID 2848 wrote to memory of 2388	2848	f78a45c9c6e021f1204639c0a382a49cb81e4ba8db71f89c2f6533927015232aN.exe	31
PID 2848 wrote to memory of 2388	2848	f78a45c9c6e021f1204639c0a382a49cb81e4ba8db71f89c2f6533927015232aN.exe	31
PID 2848 wrote to memory of 2388	2848	f78a45c9c6e021f1204639c0a382a49cb81e4ba8db71f89c2f6533927015232aN.exe	31
PID 2388 wrote to memory of 284	2388	f78a45c9c6e021f1204639c0a382a49cb81e4ba8db71f89c2f6533927015232aN.exe	32
PID 2388 wrote to memory of 284	2388	f78a45c9c6e021f1204639c0a382a49cb81e4ba8db71f89c2f6533927015232aN.exe	32
PID 2388 wrote to memory of 284	2388	f78a45c9c6e021f1204639c0a382a49cb81e4ba8db71f89c2f6533927015232aN.exe	32
PID 2388 wrote to memory of 284	2388	f78a45c9c6e021f1204639c0a382a49cb81e4ba8db71f89c2f6533927015232aN.exe	32
PID 284 wrote to memory of 1036	284	cmd.exe	34
PID 284 wrote to memory of 1036	284	cmd.exe	34
PID 284 wrote to memory of 1036	284	cmd.exe	34
PID 284 wrote to memory of 1036	284	cmd.exe	34
PID 2388 wrote to memory of 1884	2388	f78a45c9c6e021f1204639c0a382a49cb81e4ba8db71f89c2f6533927015232aN.exe	35
PID 2388 wrote to memory of 1884	2388	f78a45c9c6e021f1204639c0a382a49cb81e4ba8db71f89c2f6533927015232aN.exe	35
PID 2388 wrote to memory of 1884	2388	f78a45c9c6e021f1204639c0a382a49cb81e4ba8db71f89c2f6533927015232aN.exe	35
PID 2388 wrote to memory of 1884	2388	f78a45c9c6e021f1204639c0a382a49cb81e4ba8db71f89c2f6533927015232aN.exe	35
PID 1884 wrote to memory of 1288	1884	csrsll.exe	36
PID 1884 wrote to memory of 1288	1884	csrsll.exe	36
PID 1884 wrote to memory of 1288	1884	csrsll.exe	36
PID 1884 wrote to memory of 1288	1884	csrsll.exe	36
PID 1884 wrote to memory of 1288	1884	csrsll.exe	36
PID 1884 wrote to memory of 1288	1884	csrsll.exe	36
PID 1884 wrote to memory of 1288	1884	csrsll.exe	36
PID 1884 wrote to memory of 1288	1884	csrsll.exe	36
PID 1884 wrote to memory of 1660	1884	csrsll.exe	37
PID 1884 wrote to memory of 1660	1884	csrsll.exe	37
PID 1884 wrote to memory of 1660	1884	csrsll.exe	37
PID 1884 wrote to memory of 1660	1884	csrsll.exe	37
PID 1884 wrote to memory of 1660	1884	csrsll.exe	37
PID 1884 wrote to memory of 1660	1884	csrsll.exe	37
PID 1884 wrote to memory of 1660	1884	csrsll.exe	37
PID 1884 wrote to memory of 1660	1884	csrsll.exe	37

C:\Users\Admin\AppData\Local\Temp\f78a45c9c6e021f1204639c0a382a49cb81e4ba8db71f89c2f6533927015232aN.exe
"C:\Users\Admin\AppData\Local\Temp\f78a45c9c6e021f1204639c0a382a49cb81e4ba8db71f89c2f6533927015232aN.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2848
- C:\Users\Admin\AppData\Local\Temp\f78a45c9c6e021f1204639c0a382a49cb81e4ba8db71f89c2f6533927015232aN.exe
  "C:\Users\Admin\AppData\Local\Temp\f78a45c9c6e021f1204639c0a382a49cb81e4ba8db71f89c2f6533927015232aN.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2388
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\KXEOX.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:284
  - - 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:1036
- - 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:1884
  - - 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:1288
  - - 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:1660

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\KXEOX.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
326KB

MD5
16811cebebdd3cdca27a291fa184dd9b

SHA1
43047fa21c26c2c8464785faa1316ba064a14301

SHA256
6e83499d8cc88533187fdd7df73afaa23e426a6c48fb9e6c882c27e7a12bfdf1

SHA512
e264a16831ea5edd921acf19473a4d7fc9af4a611b873f71041faba10ad1a9fca1c405eea79218df108cce8d5680d62b262a9c2894d596eacd61768100a44ee7

Download Submit
memory/1288-258-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1660-253-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1884-252-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1884-254-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1884-177-0x00000000003D0000-0x00000000003D1000-memory.dmp

Filesize
4KB

Download
memory/1884-185-0x00000000003F0000-0x00000000003F1000-memory.dmp

Filesize
4KB

Download
memory/1884-215-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1884-166-0x00000000003B0000-0x00000000003B1000-memory.dmp

Filesize
4KB

Download
memory/1884-156-0x0000000000390000-0x0000000000391000-memory.dmp

Filesize
4KB

Download
memory/2388-153-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2388-149-0x0000000003250000-0x00000000032A4000-memory.dmp

Filesize
336KB

Download
memory/2388-95-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2388-257-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2388-106-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2388-104-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2388-103-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2388-101-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2388-99-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2388-98-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2388-93-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2388-213-0x0000000003250000-0x00000000032A4000-memory.dmp

Filesize
336KB

Download
memory/2388-214-0x0000000003250000-0x00000000032A4000-memory.dmp

Filesize
336KB

Download
memory/2388-146-0x0000000003250000-0x00000000032A4000-memory.dmp

Filesize
336KB

Download
memory/2388-147-0x0000000003250000-0x00000000032A4000-memory.dmp

Filesize
336KB

Download
memory/2388-148-0x0000000003250000-0x00000000032A4000-memory.dmp

Filesize
336KB

Download
memory/2848-39-0x00000000002D0000-0x00000000002D1000-memory.dmp

Filesize
4KB

Download
memory/2848-80-0x00000000003D0000-0x00000000003D2000-memory.dmp

Filesize
8KB

Download
memory/2848-60-0x0000000000390000-0x0000000000391000-memory.dmp

Filesize
4KB

Download
memory/2848-0-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2848-55-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/2848-79-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2848-70-0x00000000003B0000-0x00000000003B1000-memory.dmp

Filesize
4KB

Download
memory/2848-27-0x00000000002B0000-0x00000000002B1000-memory.dmp

Filesize
4KB

Download
memory/2848-78-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2848-82-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2848-83-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2848-92-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2848-15-0x0000000000290000-0x0000000000291000-memory.dmp

Filesize
4KB

Download
memory/2848-5-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/2848-107-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2848-3-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads