modiloader | 3004f414336ac194f0570e332010e5fe409541f9618a4cf84d72597cde3b28c4

Analysis

max time kernel
118s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 22:17

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General

Target

3004f414336ac194f0570e332010e5fe409541f9618a4cf84d72597cde3b28c4.exe
Size

326KB
MD5

44ac04892f48a8e962c877c37ec883fc
SHA1

7b1604218c99df305d1efff922f2bb79c1303e3f
SHA256

3004f414336ac194f0570e332010e5fe409541f9618a4cf84d72597cde3b28c4
SHA512

1f4fca13e78a0f868998e439143afc7ab80d518c729b5b4a902831c624d810715ff16a590a341717726cf2926ea2b03b9e375fb067f09588a9e943631d6c1c6b
SSDEEP

3072:ce2A0wxDqUpM5scww4chO+O1BmP5DG0sg3i4XZ9WvDZHwdRX/L+gP38XVn:csxD5cwohO+O1sVG0/pZ6iPC8a

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/1860-260-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
1136	csrsll.exe
3000	csrsll.exe
1860	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
316	3004f414336ac194f0570e332010e5fe409541f9618a4cf84d72597cde3b28c4.exe
316	3004f414336ac194f0570e332010e5fe409541f9618a4cf84d72597cde3b28c4.exe
316	3004f414336ac194f0570e332010e5fe409541f9618a4cf84d72597cde3b28c4.exe
316	3004f414336ac194f0570e332010e5fe409541f9618a4cf84d72597cde3b28c4.exe
316	3004f414336ac194f0570e332010e5fe409541f9618a4cf84d72597cde3b28c4.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 1324 set thread context of 316	1324	3004f414336ac194f0570e332010e5fe409541f9618a4cf84d72597cde3b28c4.exe	30
PID 1136 set thread context of 3000	1136	csrsll.exe	36
PID 1136 set thread context of 1860	1136	csrsll.exe	37

UPX packed file 22 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1324-0-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/1324-78-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/1324-87-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/1324-92-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/1324-82-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/1324-79-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/316-97-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/316-95-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/316-102-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/316-108-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/316-106-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/316-105-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1324-104-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/files/0x0009000000019234-133.dat	upx
behavioral1/memory/316-153-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1136-211-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/316-253-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1136-250-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/1860-249-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/3000-248-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/3000-257-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1860-260-0x0000000000400000-0x0000000000414000-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	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	3004f414336ac194f0570e332010e5fe409541f9618a4cf84d72597cde3b28c4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3004f414336ac194f0570e332010e5fe409541f9618a4cf84d72597cde3b28c4.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe
Token: SeDebugPrivilege	3000	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1324	3004f414336ac194f0570e332010e5fe409541f9618a4cf84d72597cde3b28c4.exe
316	3004f414336ac194f0570e332010e5fe409541f9618a4cf84d72597cde3b28c4.exe
1136	csrsll.exe
3000	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 1324 wrote to memory of 316	1324	3004f414336ac194f0570e332010e5fe409541f9618a4cf84d72597cde3b28c4.exe	30
PID 1324 wrote to memory of 316	1324	3004f414336ac194f0570e332010e5fe409541f9618a4cf84d72597cde3b28c4.exe	30
PID 1324 wrote to memory of 316	1324	3004f414336ac194f0570e332010e5fe409541f9618a4cf84d72597cde3b28c4.exe	30
PID 1324 wrote to memory of 316	1324	3004f414336ac194f0570e332010e5fe409541f9618a4cf84d72597cde3b28c4.exe	30
PID 1324 wrote to memory of 316	1324	3004f414336ac194f0570e332010e5fe409541f9618a4cf84d72597cde3b28c4.exe	30
PID 1324 wrote to memory of 316	1324	3004f414336ac194f0570e332010e5fe409541f9618a4cf84d72597cde3b28c4.exe	30
PID 1324 wrote to memory of 316	1324	3004f414336ac194f0570e332010e5fe409541f9618a4cf84d72597cde3b28c4.exe	30
PID 1324 wrote to memory of 316	1324	3004f414336ac194f0570e332010e5fe409541f9618a4cf84d72597cde3b28c4.exe	30
PID 316 wrote to memory of 2952	316	3004f414336ac194f0570e332010e5fe409541f9618a4cf84d72597cde3b28c4.exe	32
PID 316 wrote to memory of 2952	316	3004f414336ac194f0570e332010e5fe409541f9618a4cf84d72597cde3b28c4.exe	32
PID 316 wrote to memory of 2952	316	3004f414336ac194f0570e332010e5fe409541f9618a4cf84d72597cde3b28c4.exe	32
PID 316 wrote to memory of 2952	316	3004f414336ac194f0570e332010e5fe409541f9618a4cf84d72597cde3b28c4.exe	32
PID 2952 wrote to memory of 1184	2952	cmd.exe	34
PID 2952 wrote to memory of 1184	2952	cmd.exe	34
PID 2952 wrote to memory of 1184	2952	cmd.exe	34
PID 2952 wrote to memory of 1184	2952	cmd.exe	34
PID 316 wrote to memory of 1136	316	3004f414336ac194f0570e332010e5fe409541f9618a4cf84d72597cde3b28c4.exe	35
PID 316 wrote to memory of 1136	316	3004f414336ac194f0570e332010e5fe409541f9618a4cf84d72597cde3b28c4.exe	35
PID 316 wrote to memory of 1136	316	3004f414336ac194f0570e332010e5fe409541f9618a4cf84d72597cde3b28c4.exe	35
PID 316 wrote to memory of 1136	316	3004f414336ac194f0570e332010e5fe409541f9618a4cf84d72597cde3b28c4.exe	35
PID 1136 wrote to memory of 3000	1136	csrsll.exe	36
PID 1136 wrote to memory of 3000	1136	csrsll.exe	36
PID 1136 wrote to memory of 3000	1136	csrsll.exe	36
PID 1136 wrote to memory of 3000	1136	csrsll.exe	36
PID 1136 wrote to memory of 3000	1136	csrsll.exe	36
PID 1136 wrote to memory of 3000	1136	csrsll.exe	36
PID 1136 wrote to memory of 3000	1136	csrsll.exe	36
PID 1136 wrote to memory of 3000	1136	csrsll.exe	36
PID 1136 wrote to memory of 1860	1136	csrsll.exe	37
PID 1136 wrote to memory of 1860	1136	csrsll.exe	37
PID 1136 wrote to memory of 1860	1136	csrsll.exe	37
PID 1136 wrote to memory of 1860	1136	csrsll.exe	37
PID 1136 wrote to memory of 1860	1136	csrsll.exe	37
PID 1136 wrote to memory of 1860	1136	csrsll.exe	37
PID 1136 wrote to memory of 1860	1136	csrsll.exe	37
PID 1136 wrote to memory of 1860	1136	csrsll.exe	37

C:\Users\Admin\AppData\Local\Temp\3004f414336ac194f0570e332010e5fe409541f9618a4cf84d72597cde3b28c4.exe
"C:\Users\Admin\AppData\Local\Temp\3004f414336ac194f0570e332010e5fe409541f9618a4cf84d72597cde3b28c4.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1324
- C:\Users\Admin\AppData\Local\Temp\3004f414336ac194f0570e332010e5fe409541f9618a4cf84d72597cde3b28c4.exe
  "C:\Users\Admin\AppData\Local\Temp\3004f414336ac194f0570e332010e5fe409541f9618a4cf84d72597cde3b28c4.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:316
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\VMABW.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2952
  - - 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:1184
- - 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:1136
  - - 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:3000
  - - 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:1860

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\VMABW.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
326KB

MD5
f3e331ff6db87ecec12d4c30040d699b

SHA1
cbdd326b1d31555dc65f353121027e523df948a1

SHA256
52b1817b73c696491245aea6c51e5be70cdd3204e3a9f0145b4d178e2576ab40

SHA512
87b28cdebfdbdfa9656c570d81427ec604f9f770ef6ef3ab05245368db4026920ada36db0ecff5dfded6cb9f40e72a2cf52392fd5ad13dae49b8820c4e8123eb

Download Submit
memory/316-153-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/316-148-0x0000000003470000-0x00000000034C4000-memory.dmp

Filesize
336KB

Download
memory/316-106-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/316-105-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/316-253-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/316-100-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/316-244-0x0000000003470000-0x00000000034C4000-memory.dmp

Filesize
336KB

Download
memory/316-108-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/316-102-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/316-93-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/316-95-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/316-97-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/316-147-0x0000000003470000-0x00000000034C4000-memory.dmp

Filesize
336KB

Download
memory/316-149-0x0000000003470000-0x00000000034C4000-memory.dmp

Filesize
336KB

Download
memory/1136-156-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/1136-177-0x0000000000290000-0x0000000000291000-memory.dmp

Filesize
4KB

Download
memory/1136-166-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/1136-185-0x00000000002B0000-0x00000000002B1000-memory.dmp

Filesize
4KB

Download
memory/1136-211-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1136-250-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1324-80-0x00000000003D0000-0x00000000003D2000-memory.dmp

Filesize
8KB

Download
memory/1324-92-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1324-40-0x0000000000290000-0x0000000000291000-memory.dmp

Filesize
4KB

Download
memory/1324-5-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1324-3-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1324-28-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/1324-99-0x0000000000510000-0x0000000000564000-memory.dmp

Filesize
336KB

Download
memory/1324-79-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1324-0-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1324-15-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/1324-82-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1324-70-0x00000000003B0000-0x00000000003B1000-memory.dmp

Filesize
4KB

Download
memory/1324-87-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1324-104-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1324-78-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1324-60-0x0000000000390000-0x0000000000391000-memory.dmp

Filesize
4KB

Download
memory/1324-24-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/1860-249-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1860-260-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3000-248-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3000-257-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads