modiloader | c9e82a4359cc99fcf53b2dd93b41c7d385af977700df33558a6bf26ecafc642a

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
31-12-2024 21:21

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General

Target

c9e82a4359cc99fcf53b2dd93b41c7d385af977700df33558a6bf26ecafc642aN.exe
Size

300KB
MD5

68ce3677fb39228c6abbb3b7d9cbe800
SHA1

8c9bb4b2f48c86f9171b5f21096376a27a6565a8
SHA256

c9e82a4359cc99fcf53b2dd93b41c7d385af977700df33558a6bf26ecafc642a
SHA512

e51488f571fd63a09b93790d875db9cf39971457f8016ce042165b17921847eaaa2e499b8854ac28722c40b5185c878f2753ccde0beafd90cb3c6d4e9f0dd50a
SSDEEP

3072:Ue2A0wxDqUpM5scww4chO+O1BmP5DG0sg3i4XZ9WvDZHwdRX/L+gP38GU:UsxD5cwohO+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 2 IoCs

resource	yara_rule
behavioral1/memory/1364-243-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral1/memory/1364-247-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
1428	csrsll.exe
2176	csrsll.exe
1364	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
2728	c9e82a4359cc99fcf53b2dd93b41c7d385af977700df33558a6bf26ecafc642aN.exe
2728	c9e82a4359cc99fcf53b2dd93b41c7d385af977700df33558a6bf26ecafc642aN.exe
2728	c9e82a4359cc99fcf53b2dd93b41c7d385af977700df33558a6bf26ecafc642aN.exe
2728	c9e82a4359cc99fcf53b2dd93b41c7d385af977700df33558a6bf26ecafc642aN.exe
2728	c9e82a4359cc99fcf53b2dd93b41c7d385af977700df33558a6bf26ecafc642aN.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-1-5-21-3290804112-2823094203-3137964600-1000\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 2404 set thread context of 2728	2404	c9e82a4359cc99fcf53b2dd93b41c7d385af977700df33558a6bf26ecafc642aN.exe	31
PID 1428 set thread context of 2176	1428	csrsll.exe	36
PID 1428 set thread context of 1364	1428	csrsll.exe	37

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2728-101-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2728-100-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2728-99-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2728-97-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2728-93-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2728-91-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1364-243-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/2728-242-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2176-246-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1364-247-0x0000000000400000-0x0000000000414000-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	c9e82a4359cc99fcf53b2dd93b41c7d385af977700df33558a6bf26ecafc642aN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c9e82a4359cc99fcf53b2dd93b41c7d385af977700df33558a6bf26ecafc642aN.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2176	csrsll.exe
Token: SeDebugPrivilege	2176	csrsll.exe
Token: SeDebugPrivilege	2176	csrsll.exe
Token: SeDebugPrivilege	2176	csrsll.exe
Token: SeDebugPrivilege	2176	csrsll.exe
Token: SeDebugPrivilege	2176	csrsll.exe
Token: SeDebugPrivilege	2176	csrsll.exe
Token: SeDebugPrivilege	2176	csrsll.exe
Token: SeDebugPrivilege	2176	csrsll.exe
Token: SeDebugPrivilege	2176	csrsll.exe
Token: SeDebugPrivilege	2176	csrsll.exe
Token: SeDebugPrivilege	2176	csrsll.exe
Token: SeDebugPrivilege	2176	csrsll.exe
Token: SeDebugPrivilege	2176	csrsll.exe
Token: SeDebugPrivilege	2176	csrsll.exe
Token: SeDebugPrivilege	2176	csrsll.exe
Token: SeDebugPrivilege	2176	csrsll.exe
Token: SeDebugPrivilege	2176	csrsll.exe
Token: SeDebugPrivilege	2176	csrsll.exe
Token: SeDebugPrivilege	2176	csrsll.exe
Token: SeDebugPrivilege	2176	csrsll.exe
Token: SeDebugPrivilege	2176	csrsll.exe
Token: SeDebugPrivilege	2176	csrsll.exe
Token: SeDebugPrivilege	2176	csrsll.exe
Token: SeDebugPrivilege	2176	csrsll.exe
Token: SeDebugPrivilege	2176	csrsll.exe
Token: SeDebugPrivilege	2176	csrsll.exe
Token: SeDebugPrivilege	2176	csrsll.exe
Token: SeDebugPrivilege	2176	csrsll.exe
Token: SeDebugPrivilege	2176	csrsll.exe
Token: SeDebugPrivilege	2176	csrsll.exe
Token: SeDebugPrivilege	2176	csrsll.exe
Token: SeDebugPrivilege	2176	csrsll.exe
Token: SeDebugPrivilege	2176	csrsll.exe
Token: SeDebugPrivilege	2176	csrsll.exe
Token: SeDebugPrivilege	2176	csrsll.exe
Token: SeDebugPrivilege	2176	csrsll.exe
Token: SeDebugPrivilege	2176	csrsll.exe
Token: SeDebugPrivilege	2176	csrsll.exe
Token: SeDebugPrivilege	2176	csrsll.exe
Token: SeDebugPrivilege	2176	csrsll.exe
Token: SeDebugPrivilege	2176	csrsll.exe
Token: SeDebugPrivilege	2176	csrsll.exe
Token: SeDebugPrivilege	2176	csrsll.exe
Token: SeDebugPrivilege	2176	csrsll.exe
Token: SeDebugPrivilege	2176	csrsll.exe
Token: SeDebugPrivilege	2176	csrsll.exe
Token: SeDebugPrivilege	2176	csrsll.exe
Token: SeDebugPrivilege	2176	csrsll.exe
Token: SeDebugPrivilege	2176	csrsll.exe
Token: SeDebugPrivilege	2176	csrsll.exe
Token: SeDebugPrivilege	2176	csrsll.exe
Token: SeDebugPrivilege	2176	csrsll.exe
Token: SeDebugPrivilege	2176	csrsll.exe
Token: SeDebugPrivilege	2176	csrsll.exe
Token: SeDebugPrivilege	2176	csrsll.exe
Token: SeDebugPrivilege	2176	csrsll.exe
Token: SeDebugPrivilege	2176	csrsll.exe
Token: SeDebugPrivilege	2176	csrsll.exe
Token: SeDebugPrivilege	2176	csrsll.exe
Token: SeDebugPrivilege	2176	csrsll.exe
Token: SeDebugPrivilege	2176	csrsll.exe
Token: SeDebugPrivilege	2176	csrsll.exe
Token: SeDebugPrivilege	2176	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2404	c9e82a4359cc99fcf53b2dd93b41c7d385af977700df33558a6bf26ecafc642aN.exe
2728	c9e82a4359cc99fcf53b2dd93b41c7d385af977700df33558a6bf26ecafc642aN.exe
1428	csrsll.exe
2176	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2404 wrote to memory of 2728	2404	c9e82a4359cc99fcf53b2dd93b41c7d385af977700df33558a6bf26ecafc642aN.exe	31
PID 2404 wrote to memory of 2728	2404	c9e82a4359cc99fcf53b2dd93b41c7d385af977700df33558a6bf26ecafc642aN.exe	31
PID 2404 wrote to memory of 2728	2404	c9e82a4359cc99fcf53b2dd93b41c7d385af977700df33558a6bf26ecafc642aN.exe	31
PID 2404 wrote to memory of 2728	2404	c9e82a4359cc99fcf53b2dd93b41c7d385af977700df33558a6bf26ecafc642aN.exe	31
PID 2404 wrote to memory of 2728	2404	c9e82a4359cc99fcf53b2dd93b41c7d385af977700df33558a6bf26ecafc642aN.exe	31
PID 2404 wrote to memory of 2728	2404	c9e82a4359cc99fcf53b2dd93b41c7d385af977700df33558a6bf26ecafc642aN.exe	31
PID 2404 wrote to memory of 2728	2404	c9e82a4359cc99fcf53b2dd93b41c7d385af977700df33558a6bf26ecafc642aN.exe	31
PID 2404 wrote to memory of 2728	2404	c9e82a4359cc99fcf53b2dd93b41c7d385af977700df33558a6bf26ecafc642aN.exe	31
PID 2728 wrote to memory of 1480	2728	c9e82a4359cc99fcf53b2dd93b41c7d385af977700df33558a6bf26ecafc642aN.exe	32
PID 2728 wrote to memory of 1480	2728	c9e82a4359cc99fcf53b2dd93b41c7d385af977700df33558a6bf26ecafc642aN.exe	32
PID 2728 wrote to memory of 1480	2728	c9e82a4359cc99fcf53b2dd93b41c7d385af977700df33558a6bf26ecafc642aN.exe	32
PID 2728 wrote to memory of 1480	2728	c9e82a4359cc99fcf53b2dd93b41c7d385af977700df33558a6bf26ecafc642aN.exe	32
PID 1480 wrote to memory of 2452	1480	cmd.exe	34
PID 1480 wrote to memory of 2452	1480	cmd.exe	34
PID 1480 wrote to memory of 2452	1480	cmd.exe	34
PID 1480 wrote to memory of 2452	1480	cmd.exe	34
PID 2728 wrote to memory of 1428	2728	c9e82a4359cc99fcf53b2dd93b41c7d385af977700df33558a6bf26ecafc642aN.exe	35
PID 2728 wrote to memory of 1428	2728	c9e82a4359cc99fcf53b2dd93b41c7d385af977700df33558a6bf26ecafc642aN.exe	35
PID 2728 wrote to memory of 1428	2728	c9e82a4359cc99fcf53b2dd93b41c7d385af977700df33558a6bf26ecafc642aN.exe	35
PID 2728 wrote to memory of 1428	2728	c9e82a4359cc99fcf53b2dd93b41c7d385af977700df33558a6bf26ecafc642aN.exe	35
PID 1428 wrote to memory of 2176	1428	csrsll.exe	36
PID 1428 wrote to memory of 2176	1428	csrsll.exe	36
PID 1428 wrote to memory of 2176	1428	csrsll.exe	36
PID 1428 wrote to memory of 2176	1428	csrsll.exe	36
PID 1428 wrote to memory of 2176	1428	csrsll.exe	36
PID 1428 wrote to memory of 2176	1428	csrsll.exe	36
PID 1428 wrote to memory of 2176	1428	csrsll.exe	36
PID 1428 wrote to memory of 2176	1428	csrsll.exe	36
PID 1428 wrote to memory of 1364	1428	csrsll.exe	37
PID 1428 wrote to memory of 1364	1428	csrsll.exe	37
PID 1428 wrote to memory of 1364	1428	csrsll.exe	37
PID 1428 wrote to memory of 1364	1428	csrsll.exe	37
PID 1428 wrote to memory of 1364	1428	csrsll.exe	37
PID 1428 wrote to memory of 1364	1428	csrsll.exe	37
PID 1428 wrote to memory of 1364	1428	csrsll.exe	37
PID 1428 wrote to memory of 1364	1428	csrsll.exe	37

C:\Users\Admin\AppData\Local\Temp\c9e82a4359cc99fcf53b2dd93b41c7d385af977700df33558a6bf26ecafc642aN.exe
"C:\Users\Admin\AppData\Local\Temp\c9e82a4359cc99fcf53b2dd93b41c7d385af977700df33558a6bf26ecafc642aN.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2404
- C:\Users\Admin\AppData\Local\Temp\c9e82a4359cc99fcf53b2dd93b41c7d385af977700df33558a6bf26ecafc642aN.exe
  "C:\Users\Admin\AppData\Local\Temp\c9e82a4359cc99fcf53b2dd93b41c7d385af977700df33558a6bf26ecafc642aN.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2728
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\EAWVM.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1480
  - - 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:2452
- - 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:1428
  - - 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:2176
  - - 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:1364

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\EAWVM.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
300KB

MD5
15e921b9157593d678a051f84904ebf5

SHA1
2d4b54f7f9322f45d428709887fe2ff42f4fe891

SHA256
5cb0fcddd7429140496dbd29aea1bed8330d648484ff2254fde3f35e267e81f9

SHA512
6b54d97eb8c494aba468192d1abdd183fbcee22b0f3fcc682336bfc58e2404d92cbd351469f6ffcc020135afa854a426d03b43d7fc45a64736d1a9e525d812ca

Download Submit
memory/1364-247-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1364-243-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1428-168-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/1428-156-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/1428-146-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2176-246-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2404-69-0x00000000006E0000-0x00000000006E1000-memory.dmp

Filesize
4KB

Download
memory/2404-59-0x00000000006C0000-0x00000000006C1000-memory.dmp

Filesize
4KB

Download
memory/2404-15-0x00000000003E0000-0x00000000003E1000-memory.dmp

Filesize
4KB

Download
memory/2404-3-0x00000000003C0000-0x00000000003C1000-memory.dmp

Filesize
4KB

Download
memory/2404-5-0x00000000003C0000-0x00000000003C1000-memory.dmp

Filesize
4KB

Download
memory/2404-39-0x0000000000600000-0x0000000000601000-memory.dmp

Filesize
4KB

Download
memory/2404-27-0x00000000005E0000-0x00000000005E1000-memory.dmp

Filesize
4KB

Download
memory/2404-88-0x0000000000730000-0x0000000000732000-memory.dmp

Filesize
8KB

Download
memory/2404-77-0x0000000000700000-0x0000000000702000-memory.dmp

Filesize
8KB

Download
memory/2404-87-0x0000000000710000-0x0000000000712000-memory.dmp

Filesize
8KB

Download
memory/2404-0-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2728-99-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2728-89-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2728-91-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2728-93-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2728-95-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2728-97-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2728-242-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2728-100-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2728-101-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads