modiloader | d6a46192f5cc84b83bf13dada00f8d1ac41cba3f29cd1f8dc255c9f9ad02c84b

Analysis

max time kernel
119s
max time network
121s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
19-12-2024 22:49

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General

Target

d6a46192f5cc84b83bf13dada00f8d1ac41cba3f29cd1f8dc255c9f9ad02c84bN.exe
Size

90KB
MD5

7ca055a62b35514dc312ae477d96e7a0
SHA1

9989c7f35258542d3eb3cbe15d2a2fc86460ff53
SHA256

d6a46192f5cc84b83bf13dada00f8d1ac41cba3f29cd1f8dc255c9f9ad02c84b
SHA512

c0b82f75dcb11f90ab7db025bc3f5f02be00896e5f8ca768ad1fe67700fbfca2cfe80ceebde1733815d3c4cc5f6b4a0225da2fd4a9216ca712667a4927261248
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDl:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3v

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 3 IoCs

resource	yara_rule
behavioral2/memory/4664-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4664-58-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4664-63-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	d6a46192f5cc84b83bf13dada00f8d1ac41cba3f29cd1f8dc255c9f9ad02c84bN.exe

Executes dropped EXE 3 IoCs

pid	Process
2776	csrsll.exe
4960	csrsll.exe
4664	csrsll.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-1-5-21-3756129449-3121373848-4276368241-1000\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 3764 set thread context of 4308	3764	d6a46192f5cc84b83bf13dada00f8d1ac41cba3f29cd1f8dc255c9f9ad02c84bN.exe	82
PID 2776 set thread context of 4960	2776	csrsll.exe	95
PID 2776 set thread context of 4664	2776	csrsll.exe	96

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3764-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3764-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4308-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4308-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3764-12-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4308-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000b000000023b6c-29.dat	upx
behavioral2/memory/4308-39-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2776-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2776-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4664-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4664-45-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4664-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4664-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4664-58-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2776-57-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4308-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4960-62-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4664-63-0x0000000000400000-0x0000000000414000-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	d6a46192f5cc84b83bf13dada00f8d1ac41cba3f29cd1f8dc255c9f9ad02c84bN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d6a46192f5cc84b83bf13dada00f8d1ac41cba3f29cd1f8dc255c9f9ad02c84bN.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	4960	csrsll.exe
Token: SeDebugPrivilege	4960	csrsll.exe
Token: SeDebugPrivilege	4960	csrsll.exe
Token: SeDebugPrivilege	4960	csrsll.exe
Token: SeDebugPrivilege	4960	csrsll.exe
Token: SeDebugPrivilege	4960	csrsll.exe
Token: SeDebugPrivilege	4960	csrsll.exe
Token: SeDebugPrivilege	4960	csrsll.exe
Token: SeDebugPrivilege	4960	csrsll.exe
Token: SeDebugPrivilege	4960	csrsll.exe
Token: SeDebugPrivilege	4960	csrsll.exe
Token: SeDebugPrivilege	4960	csrsll.exe
Token: SeDebugPrivilege	4960	csrsll.exe
Token: SeDebugPrivilege	4960	csrsll.exe
Token: SeDebugPrivilege	4960	csrsll.exe
Token: SeDebugPrivilege	4960	csrsll.exe
Token: SeDebugPrivilege	4960	csrsll.exe
Token: SeDebugPrivilege	4960	csrsll.exe
Token: SeDebugPrivilege	4960	csrsll.exe
Token: SeDebugPrivilege	4960	csrsll.exe
Token: SeDebugPrivilege	4960	csrsll.exe
Token: SeDebugPrivilege	4960	csrsll.exe
Token: SeDebugPrivilege	4960	csrsll.exe
Token: SeDebugPrivilege	4960	csrsll.exe
Token: SeDebugPrivilege	4960	csrsll.exe
Token: SeDebugPrivilege	4960	csrsll.exe
Token: SeDebugPrivilege	4960	csrsll.exe
Token: SeDebugPrivilege	4960	csrsll.exe
Token: SeDebugPrivilege	4960	csrsll.exe
Token: SeDebugPrivilege	4960	csrsll.exe
Token: SeDebugPrivilege	4960	csrsll.exe
Token: SeDebugPrivilege	4960	csrsll.exe
Token: SeDebugPrivilege	4960	csrsll.exe
Token: SeDebugPrivilege	4960	csrsll.exe
Token: SeDebugPrivilege	4960	csrsll.exe
Token: SeDebugPrivilege	4960	csrsll.exe
Token: SeDebugPrivilege	4960	csrsll.exe
Token: SeDebugPrivilege	4960	csrsll.exe
Token: SeDebugPrivilege	4960	csrsll.exe
Token: SeDebugPrivilege	4960	csrsll.exe
Token: SeDebugPrivilege	4960	csrsll.exe
Token: SeDebugPrivilege	4960	csrsll.exe
Token: SeDebugPrivilege	4960	csrsll.exe
Token: SeDebugPrivilege	4960	csrsll.exe
Token: SeDebugPrivilege	4960	csrsll.exe
Token: SeDebugPrivilege	4960	csrsll.exe
Token: SeDebugPrivilege	4960	csrsll.exe
Token: SeDebugPrivilege	4960	csrsll.exe
Token: SeDebugPrivilege	4960	csrsll.exe
Token: SeDebugPrivilege	4960	csrsll.exe
Token: SeDebugPrivilege	4960	csrsll.exe
Token: SeDebugPrivilege	4960	csrsll.exe
Token: SeDebugPrivilege	4960	csrsll.exe
Token: SeDebugPrivilege	4960	csrsll.exe
Token: SeDebugPrivilege	4960	csrsll.exe
Token: SeDebugPrivilege	4960	csrsll.exe
Token: SeDebugPrivilege	4960	csrsll.exe
Token: SeDebugPrivilege	4960	csrsll.exe
Token: SeDebugPrivilege	4960	csrsll.exe
Token: SeDebugPrivilege	4960	csrsll.exe
Token: SeDebugPrivilege	4960	csrsll.exe
Token: SeDebugPrivilege	4960	csrsll.exe
Token: SeDebugPrivilege	4960	csrsll.exe
Token: SeDebugPrivilege	4960	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3764	d6a46192f5cc84b83bf13dada00f8d1ac41cba3f29cd1f8dc255c9f9ad02c84bN.exe
4308	d6a46192f5cc84b83bf13dada00f8d1ac41cba3f29cd1f8dc255c9f9ad02c84bN.exe
2776	csrsll.exe
4960	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 3764 wrote to memory of 4308	3764	d6a46192f5cc84b83bf13dada00f8d1ac41cba3f29cd1f8dc255c9f9ad02c84bN.exe	82
PID 3764 wrote to memory of 4308	3764	d6a46192f5cc84b83bf13dada00f8d1ac41cba3f29cd1f8dc255c9f9ad02c84bN.exe	82
PID 3764 wrote to memory of 4308	3764	d6a46192f5cc84b83bf13dada00f8d1ac41cba3f29cd1f8dc255c9f9ad02c84bN.exe	82
PID 3764 wrote to memory of 4308	3764	d6a46192f5cc84b83bf13dada00f8d1ac41cba3f29cd1f8dc255c9f9ad02c84bN.exe	82
PID 3764 wrote to memory of 4308	3764	d6a46192f5cc84b83bf13dada00f8d1ac41cba3f29cd1f8dc255c9f9ad02c84bN.exe	82
PID 3764 wrote to memory of 4308	3764	d6a46192f5cc84b83bf13dada00f8d1ac41cba3f29cd1f8dc255c9f9ad02c84bN.exe	82
PID 3764 wrote to memory of 4308	3764	d6a46192f5cc84b83bf13dada00f8d1ac41cba3f29cd1f8dc255c9f9ad02c84bN.exe	82
PID 3764 wrote to memory of 4308	3764	d6a46192f5cc84b83bf13dada00f8d1ac41cba3f29cd1f8dc255c9f9ad02c84bN.exe	82
PID 4308 wrote to memory of 3284	4308	d6a46192f5cc84b83bf13dada00f8d1ac41cba3f29cd1f8dc255c9f9ad02c84bN.exe	83
PID 4308 wrote to memory of 3284	4308	d6a46192f5cc84b83bf13dada00f8d1ac41cba3f29cd1f8dc255c9f9ad02c84bN.exe	83
PID 4308 wrote to memory of 3284	4308	d6a46192f5cc84b83bf13dada00f8d1ac41cba3f29cd1f8dc255c9f9ad02c84bN.exe	83
PID 3284 wrote to memory of 3180	3284	cmd.exe	86
PID 3284 wrote to memory of 3180	3284	cmd.exe	86
PID 3284 wrote to memory of 3180	3284	cmd.exe	86
PID 4308 wrote to memory of 2776	4308	d6a46192f5cc84b83bf13dada00f8d1ac41cba3f29cd1f8dc255c9f9ad02c84bN.exe	87
PID 4308 wrote to memory of 2776	4308	d6a46192f5cc84b83bf13dada00f8d1ac41cba3f29cd1f8dc255c9f9ad02c84bN.exe	87
PID 4308 wrote to memory of 2776	4308	d6a46192f5cc84b83bf13dada00f8d1ac41cba3f29cd1f8dc255c9f9ad02c84bN.exe	87
PID 2776 wrote to memory of 4960	2776	csrsll.exe	95
PID 2776 wrote to memory of 4960	2776	csrsll.exe	95
PID 2776 wrote to memory of 4960	2776	csrsll.exe	95
PID 2776 wrote to memory of 4960	2776	csrsll.exe	95
PID 2776 wrote to memory of 4960	2776	csrsll.exe	95
PID 2776 wrote to memory of 4960	2776	csrsll.exe	95
PID 2776 wrote to memory of 4960	2776	csrsll.exe	95
PID 2776 wrote to memory of 4960	2776	csrsll.exe	95
PID 2776 wrote to memory of 4664	2776	csrsll.exe	96
PID 2776 wrote to memory of 4664	2776	csrsll.exe	96
PID 2776 wrote to memory of 4664	2776	csrsll.exe	96
PID 2776 wrote to memory of 4664	2776	csrsll.exe	96
PID 2776 wrote to memory of 4664	2776	csrsll.exe	96
PID 2776 wrote to memory of 4664	2776	csrsll.exe	96
PID 2776 wrote to memory of 4664	2776	csrsll.exe	96
PID 2776 wrote to memory of 4664	2776	csrsll.exe	96

C:\Users\Admin\AppData\Local\Temp\d6a46192f5cc84b83bf13dada00f8d1ac41cba3f29cd1f8dc255c9f9ad02c84bN.exe
"C:\Users\Admin\AppData\Local\Temp\d6a46192f5cc84b83bf13dada00f8d1ac41cba3f29cd1f8dc255c9f9ad02c84bN.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3764
- C:\Users\Admin\AppData\Local\Temp\d6a46192f5cc84b83bf13dada00f8d1ac41cba3f29cd1f8dc255c9f9ad02c84bN.exe
  "C:\Users\Admin\AppData\Local\Temp\d6a46192f5cc84b83bf13dada00f8d1ac41cba3f29cd1f8dc255c9f9ad02c84bN.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4308
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\VIMIG.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3284
  - - 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:3180
- - 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:2776
  - - 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:4960
  - - 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:4664

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

Query Registry

T1012

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\VIMIG.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
317845fc2efd284ee63c5b42acc8259d

SHA1
b53345eb464f7c8526f9ddd60c215228aacd2f83

SHA256
4748906c6ba674637ecb9b06eaf2d3465743ce8128acdf5e97d3e1d9aec0eb3e

SHA512
9a573c6979428195e85c3b8f59e13a77a2985f6293f415c1a9f3ce62a71533cb6536d4b60151c4d4b4038de3c116d00b8a7eec99b8bb509dfcdb5e31dd071a53

Download Submit
memory/2776-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2776-57-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2776-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3764-3-0x0000000002320000-0x0000000002322000-memory.dmp

Filesize
8KB

Download
memory/3764-4-0x0000000002330000-0x0000000002332000-memory.dmp

Filesize
8KB

Download
memory/3764-6-0x0000000002350000-0x0000000002352000-memory.dmp

Filesize
8KB

Download
memory/3764-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3764-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3764-12-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4308-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4308-39-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4308-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4308-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4308-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4308-59-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/4664-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4664-45-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4664-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4664-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4664-58-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4664-63-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4960-62-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads