modiloader | df48360efaf9bb70dc816aafc76dfef9f1510a11e0a339ba6a6101cb3e95ea87

Analysis

max time kernel
149s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
18-12-2024 05:35

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General

Target

df48360efaf9bb70dc816aafc76dfef9f1510a11e0a339ba6a6101cb3e95ea87.exe
Size

90KB
MD5

72cff286c0f6c58b92eff2304090c81b
SHA1

02e638d9f228628c13065133e78f96f0e6e01c59
SHA256

df48360efaf9bb70dc816aafc76dfef9f1510a11e0a339ba6a6101cb3e95ea87
SHA512

63ab4f04d09e810f0af0839c2d948d6a1b22c21aff72ca1e37e239597c1d19199cbf383635c5cc8abc3b6f61769e497d83b27482c716a6d5b4ce7323f13ec506
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDj:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3Z

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 4 IoCs

resource	yara_rule
behavioral2/memory/3180-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3180-58-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3180-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3180-63-0x0000000000400000-0x0000000000414000-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-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	df48360efaf9bb70dc816aafc76dfef9f1510a11e0a339ba6a6101cb3e95ea87.exe

Executes dropped EXE 3 IoCs

pid	Process
1028	csrsll.exe
2852	csrsll.exe
3180	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-1-5-21-1045960512-3948844814-3059691613-1000\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 4316 set thread context of 2256	4316	df48360efaf9bb70dc816aafc76dfef9f1510a11e0a339ba6a6101cb3e95ea87.exe	87
PID 1028 set thread context of 2852	1028	csrsll.exe	104
PID 1028 set thread context of 3180	1028	csrsll.exe	105

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4316-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4316-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2256-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2256-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4316-11-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2256-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0008000000023c99-29.dat	upx
behavioral2/memory/2256-39-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1028-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1028-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3180-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1028-50-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3180-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3180-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3180-58-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3180-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2256-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2852-62-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3180-63-0x0000000000400000-0x0000000000414000-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	df48360efaf9bb70dc816aafc76dfef9f1510a11e0a339ba6a6101cb3e95ea87.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	df48360efaf9bb70dc816aafc76dfef9f1510a11e0a339ba6a6101cb3e95ea87.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2852	csrsll.exe
Token: SeDebugPrivilege	2852	csrsll.exe
Token: SeDebugPrivilege	2852	csrsll.exe
Token: SeDebugPrivilege	2852	csrsll.exe
Token: SeDebugPrivilege	2852	csrsll.exe
Token: SeDebugPrivilege	2852	csrsll.exe
Token: SeDebugPrivilege	2852	csrsll.exe
Token: SeDebugPrivilege	2852	csrsll.exe
Token: SeDebugPrivilege	2852	csrsll.exe
Token: SeDebugPrivilege	2852	csrsll.exe
Token: SeDebugPrivilege	2852	csrsll.exe
Token: SeDebugPrivilege	2852	csrsll.exe
Token: SeDebugPrivilege	2852	csrsll.exe
Token: SeDebugPrivilege	2852	csrsll.exe
Token: SeDebugPrivilege	2852	csrsll.exe
Token: SeDebugPrivilege	2852	csrsll.exe
Token: SeDebugPrivilege	2852	csrsll.exe
Token: SeDebugPrivilege	2852	csrsll.exe
Token: SeDebugPrivilege	2852	csrsll.exe
Token: SeDebugPrivilege	2852	csrsll.exe
Token: SeDebugPrivilege	2852	csrsll.exe
Token: SeDebugPrivilege	2852	csrsll.exe
Token: SeDebugPrivilege	2852	csrsll.exe
Token: SeDebugPrivilege	2852	csrsll.exe
Token: SeDebugPrivilege	2852	csrsll.exe
Token: SeDebugPrivilege	2852	csrsll.exe
Token: SeDebugPrivilege	2852	csrsll.exe
Token: SeDebugPrivilege	2852	csrsll.exe
Token: SeDebugPrivilege	2852	csrsll.exe
Token: SeDebugPrivilege	2852	csrsll.exe
Token: SeDebugPrivilege	2852	csrsll.exe
Token: SeDebugPrivilege	2852	csrsll.exe
Token: SeDebugPrivilege	2852	csrsll.exe
Token: SeDebugPrivilege	2852	csrsll.exe
Token: SeDebugPrivilege	2852	csrsll.exe
Token: SeDebugPrivilege	2852	csrsll.exe
Token: SeDebugPrivilege	2852	csrsll.exe
Token: SeDebugPrivilege	2852	csrsll.exe
Token: SeDebugPrivilege	2852	csrsll.exe
Token: SeDebugPrivilege	2852	csrsll.exe
Token: SeDebugPrivilege	2852	csrsll.exe
Token: SeDebugPrivilege	2852	csrsll.exe
Token: SeDebugPrivilege	2852	csrsll.exe
Token: SeDebugPrivilege	2852	csrsll.exe
Token: SeDebugPrivilege	2852	csrsll.exe
Token: SeDebugPrivilege	2852	csrsll.exe
Token: SeDebugPrivilege	2852	csrsll.exe
Token: SeDebugPrivilege	2852	csrsll.exe
Token: SeDebugPrivilege	2852	csrsll.exe
Token: SeDebugPrivilege	2852	csrsll.exe
Token: SeDebugPrivilege	2852	csrsll.exe
Token: SeDebugPrivilege	2852	csrsll.exe
Token: SeDebugPrivilege	2852	csrsll.exe
Token: SeDebugPrivilege	2852	csrsll.exe
Token: SeDebugPrivilege	2852	csrsll.exe
Token: SeDebugPrivilege	2852	csrsll.exe
Token: SeDebugPrivilege	2852	csrsll.exe
Token: SeDebugPrivilege	2852	csrsll.exe
Token: SeDebugPrivilege	2852	csrsll.exe
Token: SeDebugPrivilege	2852	csrsll.exe
Token: SeDebugPrivilege	2852	csrsll.exe
Token: SeDebugPrivilege	2852	csrsll.exe
Token: SeDebugPrivilege	2852	csrsll.exe
Token: SeDebugPrivilege	2852	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4316	df48360efaf9bb70dc816aafc76dfef9f1510a11e0a339ba6a6101cb3e95ea87.exe
2256	df48360efaf9bb70dc816aafc76dfef9f1510a11e0a339ba6a6101cb3e95ea87.exe
1028	csrsll.exe
2852	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 4316 wrote to memory of 2256	4316	df48360efaf9bb70dc816aafc76dfef9f1510a11e0a339ba6a6101cb3e95ea87.exe	87
PID 4316 wrote to memory of 2256	4316	df48360efaf9bb70dc816aafc76dfef9f1510a11e0a339ba6a6101cb3e95ea87.exe	87
PID 4316 wrote to memory of 2256	4316	df48360efaf9bb70dc816aafc76dfef9f1510a11e0a339ba6a6101cb3e95ea87.exe	87
PID 4316 wrote to memory of 2256	4316	df48360efaf9bb70dc816aafc76dfef9f1510a11e0a339ba6a6101cb3e95ea87.exe	87
PID 4316 wrote to memory of 2256	4316	df48360efaf9bb70dc816aafc76dfef9f1510a11e0a339ba6a6101cb3e95ea87.exe	87
PID 4316 wrote to memory of 2256	4316	df48360efaf9bb70dc816aafc76dfef9f1510a11e0a339ba6a6101cb3e95ea87.exe	87
PID 4316 wrote to memory of 2256	4316	df48360efaf9bb70dc816aafc76dfef9f1510a11e0a339ba6a6101cb3e95ea87.exe	87
PID 4316 wrote to memory of 2256	4316	df48360efaf9bb70dc816aafc76dfef9f1510a11e0a339ba6a6101cb3e95ea87.exe	87
PID 2256 wrote to memory of 4292	2256	df48360efaf9bb70dc816aafc76dfef9f1510a11e0a339ba6a6101cb3e95ea87.exe	92
PID 2256 wrote to memory of 4292	2256	df48360efaf9bb70dc816aafc76dfef9f1510a11e0a339ba6a6101cb3e95ea87.exe	92
PID 2256 wrote to memory of 4292	2256	df48360efaf9bb70dc816aafc76dfef9f1510a11e0a339ba6a6101cb3e95ea87.exe	92
PID 4292 wrote to memory of 1672	4292	cmd.exe	96
PID 4292 wrote to memory of 1672	4292	cmd.exe	96
PID 4292 wrote to memory of 1672	4292	cmd.exe	96
PID 2256 wrote to memory of 1028	2256	df48360efaf9bb70dc816aafc76dfef9f1510a11e0a339ba6a6101cb3e95ea87.exe	97
PID 2256 wrote to memory of 1028	2256	df48360efaf9bb70dc816aafc76dfef9f1510a11e0a339ba6a6101cb3e95ea87.exe	97
PID 2256 wrote to memory of 1028	2256	df48360efaf9bb70dc816aafc76dfef9f1510a11e0a339ba6a6101cb3e95ea87.exe	97
PID 1028 wrote to memory of 2852	1028	csrsll.exe	104
PID 1028 wrote to memory of 2852	1028	csrsll.exe	104
PID 1028 wrote to memory of 2852	1028	csrsll.exe	104
PID 1028 wrote to memory of 2852	1028	csrsll.exe	104
PID 1028 wrote to memory of 2852	1028	csrsll.exe	104
PID 1028 wrote to memory of 2852	1028	csrsll.exe	104
PID 1028 wrote to memory of 2852	1028	csrsll.exe	104
PID 1028 wrote to memory of 2852	1028	csrsll.exe	104
PID 1028 wrote to memory of 3180	1028	csrsll.exe	105
PID 1028 wrote to memory of 3180	1028	csrsll.exe	105
PID 1028 wrote to memory of 3180	1028	csrsll.exe	105
PID 1028 wrote to memory of 3180	1028	csrsll.exe	105
PID 1028 wrote to memory of 3180	1028	csrsll.exe	105
PID 1028 wrote to memory of 3180	1028	csrsll.exe	105
PID 1028 wrote to memory of 3180	1028	csrsll.exe	105
PID 1028 wrote to memory of 3180	1028	csrsll.exe	105

C:\Users\Admin\AppData\Local\Temp\df48360efaf9bb70dc816aafc76dfef9f1510a11e0a339ba6a6101cb3e95ea87.exe
"C:\Users\Admin\AppData\Local\Temp\df48360efaf9bb70dc816aafc76dfef9f1510a11e0a339ba6a6101cb3e95ea87.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4316
- C:\Users\Admin\AppData\Local\Temp\df48360efaf9bb70dc816aafc76dfef9f1510a11e0a339ba6a6101cb3e95ea87.exe
  "C:\Users\Admin\AppData\Local\Temp\df48360efaf9bb70dc816aafc76dfef9f1510a11e0a339ba6a6101cb3e95ea87.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2256
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\NVKUK.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4292
  - - 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:1672
- - 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:1028
  - - 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:2852
  - - 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:3180

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\NVKUK.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
192ac133be9a624e95f9f8d0f26ea19e

SHA1
1a5c5f39b1d55f128bab25865e92b17ea3159cad

SHA256
8256d3ec054889ed7e9a749806da29abd297cdd87796cdf4d1f69fcefaec22f6

SHA512
d85846f5b64f40abf3819bcfe8ae0eb1782424c1ec58436e829e6fdac3308b0c415639743e2b43cfba72db84846c77df48b80e6dfa79cbfa7e5bac8143734838

Download Submit
memory/1028-50-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1028-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1028-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2256-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2256-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2256-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2256-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2256-59-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/2256-39-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2852-62-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3180-58-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3180-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3180-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3180-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3180-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3180-63-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4316-4-0x0000000002A60000-0x0000000002A62000-memory.dmp

Filesize
8KB

Download
memory/4316-3-0x0000000002A50000-0x0000000002A52000-memory.dmp

Filesize
8KB

Download
memory/4316-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4316-6-0x0000000002A80000-0x0000000002A82000-memory.dmp

Filesize
8KB

Download
memory/4316-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4316-11-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads