modiloader | 1b34af0250acac0c800265a3806afb2b6a083741ef24529ca68c5e197eb54268

Analysis

max time kernel
149s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
23-12-2024 19:52

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General

Target

1b34af0250acac0c800265a3806afb2b6a083741ef24529ca68c5e197eb54268.exe
Size

90KB
MD5

aed3f2c28ddadd42a378a11f4482c017
SHA1

9c93b200546de9a70cbd3573e0e2ed9ee4c624d7
SHA256

1b34af0250acac0c800265a3806afb2b6a083741ef24529ca68c5e197eb54268
SHA512

eab3e1a3adbda14a80c4a89dc321cba5a13946f03466e4537fc40e41c3f49364c617177eebdb29b97004f09f3df305f01105012fb451189ca7f64f18c2147f2c
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDF:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3j

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/2960-263-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
2124	csrsll.exe
2432	csrsll.exe
2960	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
3064	1b34af0250acac0c800265a3806afb2b6a083741ef24529ca68c5e197eb54268.exe
3064	1b34af0250acac0c800265a3806afb2b6a083741ef24529ca68c5e197eb54268.exe
3064	1b34af0250acac0c800265a3806afb2b6a083741ef24529ca68c5e197eb54268.exe
3064	1b34af0250acac0c800265a3806afb2b6a083741ef24529ca68c5e197eb54268.exe
3064	1b34af0250acac0c800265a3806afb2b6a083741ef24529ca68c5e197eb54268.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-1-5-21-1846800975-3917212583-2893086201-1000\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 2316 set thread context of 3064	2316	1b34af0250acac0c800265a3806afb2b6a083741ef24529ca68c5e197eb54268.exe	30
PID 2124 set thread context of 2432	2124	csrsll.exe	35
PID 2124 set thread context of 2960	2124	csrsll.exe	36

UPX packed file 21 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2316-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2316-26-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2316-92-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/3064-97-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2316-83-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2316-82-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2316-79-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/3064-95-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/3064-102-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/3064-107-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/3064-109-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2316-106-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/3064-105-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x000800000001211a-151.dat	upx
behavioral1/memory/3064-154-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2124-213-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2960-249-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/2124-253-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/3064-256-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2432-260-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2960-263-0x0000000000400000-0x0000000000414000-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	1b34af0250acac0c800265a3806afb2b6a083741ef24529ca68c5e197eb54268.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1b34af0250acac0c800265a3806afb2b6a083741ef24529ca68c5e197eb54268.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	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe
Token: SeDebugPrivilege	2432	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2316	1b34af0250acac0c800265a3806afb2b6a083741ef24529ca68c5e197eb54268.exe
3064	1b34af0250acac0c800265a3806afb2b6a083741ef24529ca68c5e197eb54268.exe
2124	csrsll.exe
2432	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2316 wrote to memory of 3064	2316	1b34af0250acac0c800265a3806afb2b6a083741ef24529ca68c5e197eb54268.exe	30
PID 2316 wrote to memory of 3064	2316	1b34af0250acac0c800265a3806afb2b6a083741ef24529ca68c5e197eb54268.exe	30
PID 2316 wrote to memory of 3064	2316	1b34af0250acac0c800265a3806afb2b6a083741ef24529ca68c5e197eb54268.exe	30
PID 2316 wrote to memory of 3064	2316	1b34af0250acac0c800265a3806afb2b6a083741ef24529ca68c5e197eb54268.exe	30
PID 2316 wrote to memory of 3064	2316	1b34af0250acac0c800265a3806afb2b6a083741ef24529ca68c5e197eb54268.exe	30
PID 2316 wrote to memory of 3064	2316	1b34af0250acac0c800265a3806afb2b6a083741ef24529ca68c5e197eb54268.exe	30
PID 2316 wrote to memory of 3064	2316	1b34af0250acac0c800265a3806afb2b6a083741ef24529ca68c5e197eb54268.exe	30
PID 2316 wrote to memory of 3064	2316	1b34af0250acac0c800265a3806afb2b6a083741ef24529ca68c5e197eb54268.exe	30
PID 3064 wrote to memory of 2352	3064	1b34af0250acac0c800265a3806afb2b6a083741ef24529ca68c5e197eb54268.exe	31
PID 3064 wrote to memory of 2352	3064	1b34af0250acac0c800265a3806afb2b6a083741ef24529ca68c5e197eb54268.exe	31
PID 3064 wrote to memory of 2352	3064	1b34af0250acac0c800265a3806afb2b6a083741ef24529ca68c5e197eb54268.exe	31
PID 3064 wrote to memory of 2352	3064	1b34af0250acac0c800265a3806afb2b6a083741ef24529ca68c5e197eb54268.exe	31
PID 2352 wrote to memory of 1912	2352	cmd.exe	33
PID 2352 wrote to memory of 1912	2352	cmd.exe	33
PID 2352 wrote to memory of 1912	2352	cmd.exe	33
PID 2352 wrote to memory of 1912	2352	cmd.exe	33
PID 3064 wrote to memory of 2124	3064	1b34af0250acac0c800265a3806afb2b6a083741ef24529ca68c5e197eb54268.exe	34
PID 3064 wrote to memory of 2124	3064	1b34af0250acac0c800265a3806afb2b6a083741ef24529ca68c5e197eb54268.exe	34
PID 3064 wrote to memory of 2124	3064	1b34af0250acac0c800265a3806afb2b6a083741ef24529ca68c5e197eb54268.exe	34
PID 3064 wrote to memory of 2124	3064	1b34af0250acac0c800265a3806afb2b6a083741ef24529ca68c5e197eb54268.exe	34
PID 2124 wrote to memory of 2432	2124	csrsll.exe	35
PID 2124 wrote to memory of 2432	2124	csrsll.exe	35
PID 2124 wrote to memory of 2432	2124	csrsll.exe	35
PID 2124 wrote to memory of 2432	2124	csrsll.exe	35
PID 2124 wrote to memory of 2432	2124	csrsll.exe	35
PID 2124 wrote to memory of 2432	2124	csrsll.exe	35
PID 2124 wrote to memory of 2432	2124	csrsll.exe	35
PID 2124 wrote to memory of 2432	2124	csrsll.exe	35
PID 2124 wrote to memory of 2960	2124	csrsll.exe	36
PID 2124 wrote to memory of 2960	2124	csrsll.exe	36
PID 2124 wrote to memory of 2960	2124	csrsll.exe	36
PID 2124 wrote to memory of 2960	2124	csrsll.exe	36
PID 2124 wrote to memory of 2960	2124	csrsll.exe	36
PID 2124 wrote to memory of 2960	2124	csrsll.exe	36
PID 2124 wrote to memory of 2960	2124	csrsll.exe	36
PID 2124 wrote to memory of 2960	2124	csrsll.exe	36

C:\Users\Admin\AppData\Local\Temp\1b34af0250acac0c800265a3806afb2b6a083741ef24529ca68c5e197eb54268.exe
"C:\Users\Admin\AppData\Local\Temp\1b34af0250acac0c800265a3806afb2b6a083741ef24529ca68c5e197eb54268.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2316
- C:\Users\Admin\AppData\Local\Temp\1b34af0250acac0c800265a3806afb2b6a083741ef24529ca68c5e197eb54268.exe
  "C:\Users\Admin\AppData\Local\Temp\1b34af0250acac0c800265a3806afb2b6a083741ef24529ca68c5e197eb54268.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3064
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\QHRNI.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2352
  - - 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:1912
- - 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:2124
  - - 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:2432
  - - 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:2960

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\QHRNI.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
039d24b32e5fdc89c89d63cae9101af2

SHA1
382c44589015ecc12a644723484e4075e949eafb

SHA256
40180e8b1922ffe36886a7da681ad77b7ca9f3db0538f568b1bb0d599128284b

SHA512
fe5a02172428edb1fc295a4e474ff122f91f7ba910670fb59704b583f4d4bfe9869acfc1a54c34d4357af69ff692dab6820c70f2641c6966a768d9ff8f6220e6

Download Submit
memory/2124-253-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2124-213-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2124-178-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/2124-167-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/2124-157-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2316-29-0x00000000002C0000-0x00000000002C1000-memory.dmp

Filesize
4KB

Download
memory/2316-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2316-99-0x0000000002640000-0x0000000002693000-memory.dmp

Filesize
332KB

Download
memory/2316-5-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2316-83-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2316-3-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2316-82-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2316-80-0x00000000008A0000-0x00000000008A2000-memory.dmp

Filesize
8KB

Download
memory/2316-79-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2316-71-0x0000000000880000-0x0000000000881000-memory.dmp

Filesize
4KB

Download
memory/2316-61-0x00000000003E0000-0x00000000003E1000-memory.dmp

Filesize
4KB

Download
memory/2316-41-0x0000000000320000-0x0000000000321000-memory.dmp

Filesize
4KB

Download
memory/2316-16-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/2316-92-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2316-26-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2316-15-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/2316-106-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2432-260-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2960-249-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2960-263-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3064-102-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3064-149-0x0000000003450000-0x00000000034A3000-memory.dmp

Filesize
332KB

Download
memory/3064-148-0x0000000003450000-0x00000000034A3000-memory.dmp

Filesize
332KB

Download
memory/3064-154-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3064-150-0x0000000003450000-0x00000000034A3000-memory.dmp

Filesize
332KB

Download
memory/3064-105-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3064-212-0x0000000003440000-0x0000000003493000-memory.dmp

Filesize
332KB

Download
memory/3064-109-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3064-107-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3064-93-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3064-95-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3064-256-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3064-244-0x0000000003450000-0x00000000034A3000-memory.dmp

Filesize
332KB

Download
memory/3064-242-0x0000000003450000-0x00000000034A3000-memory.dmp

Filesize
332KB

Download
memory/3064-100-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3064-97-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads