modiloader | 096442e88bc6c4277cd99f943b6e3699a2eaa0abffb3f854b0f0e7472c1d1343

Analysis

max time kernel
120s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
03-11-2024 18:11

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General

Target

096442e88bc6c4277cd99f943b6e3699a2eaa0abffb3f854b0f0e7472c1d1343N.exe
Size

90KB
MD5

61f5371494f8479310e0ff1550bd7c70
SHA1

66d8dffe113a18dc69cbf63c325cb5d276d1b51f
SHA256

096442e88bc6c4277cd99f943b6e3699a2eaa0abffb3f854b0f0e7472c1d1343
SHA512

d6c2fe527e000d3fd2bfebe484018937600908214bf36fdd43081b754c5d1771b1790a56858b0386d9ffb1b5a6ac93c918eace6eaed8103b3790a66001811407
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDK:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3Y

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

Processes:

resource	yara_rule
behavioral2/memory/4196-61-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4196-58-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4196-57-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4196-65-0x0000000000400000-0x0000000000414000-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

Processes:

096442e88bc6c4277cd99f943b6e3699a2eaa0abffb3f854b0f0e7472c1d1343N.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	096442e88bc6c4277cd99f943b6e3699a2eaa0abffb3f854b0f0e7472c1d1343N.exe

Executes dropped EXE 3 IoCs

Processes:

csrsll.execsrsll.execsrsll.exe

pid	Process
396	csrsll.exe
2796	csrsll.exe
4196	csrsll.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

reg.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Win Pdf = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\csrsll.exe"	reg.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

096442e88bc6c4277cd99f943b6e3699a2eaa0abffb3f854b0f0e7472c1d1343N.execsrsll.exe

description	pid	Process	procid_target
PID 3824 set thread context of 4160	3824	096442e88bc6c4277cd99f943b6e3699a2eaa0abffb3f854b0f0e7472c1d1343N.exe	91
PID 396 set thread context of 2796	396	csrsll.exe	100
PID 396 set thread context of 4196	396	csrsll.exe	101

UPX packed file 21 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/3824-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3824-3-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4160-10-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4160-8-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4160-12-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3824-16-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/files/0x0010000000023aee-30.dat	upx
behavioral2/memory/396-37-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4160-41-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/396-43-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/396-45-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/396-44-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4196-50-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4196-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/396-60-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4196-61-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4196-58-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4196-57-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4160-63-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2796-64-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4196-65-0x0000000000400000-0x0000000000414000-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

Processes:

cmd.exereg.execsrsll.execsrsll.execsrsll.exe096442e88bc6c4277cd99f943b6e3699a2eaa0abffb3f854b0f0e7472c1d1343N.exe096442e88bc6c4277cd99f943b6e3699a2eaa0abffb3f854b0f0e7472c1d1343N.exe

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	096442e88bc6c4277cd99f943b6e3699a2eaa0abffb3f854b0f0e7472c1d1343N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	096442e88bc6c4277cd99f943b6e3699a2eaa0abffb3f854b0f0e7472c1d1343N.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

csrsll.exe

description	pid	Process
Token: SeDebugPrivilege	2796	csrsll.exe
Token: SeDebugPrivilege	2796	csrsll.exe
Token: SeDebugPrivilege	2796	csrsll.exe
Token: SeDebugPrivilege	2796	csrsll.exe
Token: SeDebugPrivilege	2796	csrsll.exe
Token: SeDebugPrivilege	2796	csrsll.exe
Token: SeDebugPrivilege	2796	csrsll.exe
Token: SeDebugPrivilege	2796	csrsll.exe
Token: SeDebugPrivilege	2796	csrsll.exe
Token: SeDebugPrivilege	2796	csrsll.exe
Token: SeDebugPrivilege	2796	csrsll.exe
Token: SeDebugPrivilege	2796	csrsll.exe
Token: SeDebugPrivilege	2796	csrsll.exe
Token: SeDebugPrivilege	2796	csrsll.exe
Token: SeDebugPrivilege	2796	csrsll.exe
Token: SeDebugPrivilege	2796	csrsll.exe
Token: SeDebugPrivilege	2796	csrsll.exe
Token: SeDebugPrivilege	2796	csrsll.exe
Token: SeDebugPrivilege	2796	csrsll.exe
Token: SeDebugPrivilege	2796	csrsll.exe
Token: SeDebugPrivilege	2796	csrsll.exe
Token: SeDebugPrivilege	2796	csrsll.exe
Token: SeDebugPrivilege	2796	csrsll.exe
Token: SeDebugPrivilege	2796	csrsll.exe
Token: SeDebugPrivilege	2796	csrsll.exe
Token: SeDebugPrivilege	2796	csrsll.exe
Token: SeDebugPrivilege	2796	csrsll.exe
Token: SeDebugPrivilege	2796	csrsll.exe
Token: SeDebugPrivilege	2796	csrsll.exe
Token: SeDebugPrivilege	2796	csrsll.exe
Token: SeDebugPrivilege	2796	csrsll.exe
Token: SeDebugPrivilege	2796	csrsll.exe
Token: SeDebugPrivilege	2796	csrsll.exe
Token: SeDebugPrivilege	2796	csrsll.exe
Token: SeDebugPrivilege	2796	csrsll.exe
Token: SeDebugPrivilege	2796	csrsll.exe
Token: SeDebugPrivilege	2796	csrsll.exe
Token: SeDebugPrivilege	2796	csrsll.exe
Token: SeDebugPrivilege	2796	csrsll.exe
Token: SeDebugPrivilege	2796	csrsll.exe
Token: SeDebugPrivilege	2796	csrsll.exe
Token: SeDebugPrivilege	2796	csrsll.exe
Token: SeDebugPrivilege	2796	csrsll.exe
Token: SeDebugPrivilege	2796	csrsll.exe
Token: SeDebugPrivilege	2796	csrsll.exe
Token: SeDebugPrivilege	2796	csrsll.exe
Token: SeDebugPrivilege	2796	csrsll.exe
Token: SeDebugPrivilege	2796	csrsll.exe
Token: SeDebugPrivilege	2796	csrsll.exe
Token: SeDebugPrivilege	2796	csrsll.exe
Token: SeDebugPrivilege	2796	csrsll.exe
Token: SeDebugPrivilege	2796	csrsll.exe
Token: SeDebugPrivilege	2796	csrsll.exe
Token: SeDebugPrivilege	2796	csrsll.exe
Token: SeDebugPrivilege	2796	csrsll.exe
Token: SeDebugPrivilege	2796	csrsll.exe
Token: SeDebugPrivilege	2796	csrsll.exe
Token: SeDebugPrivilege	2796	csrsll.exe
Token: SeDebugPrivilege	2796	csrsll.exe
Token: SeDebugPrivilege	2796	csrsll.exe
Token: SeDebugPrivilege	2796	csrsll.exe
Token: SeDebugPrivilege	2796	csrsll.exe
Token: SeDebugPrivilege	2796	csrsll.exe
Token: SeDebugPrivilege	2796	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

096442e88bc6c4277cd99f943b6e3699a2eaa0abffb3f854b0f0e7472c1d1343N.exe096442e88bc6c4277cd99f943b6e3699a2eaa0abffb3f854b0f0e7472c1d1343N.execsrsll.execsrsll.exe

pid	Process
3824	096442e88bc6c4277cd99f943b6e3699a2eaa0abffb3f854b0f0e7472c1d1343N.exe
4160	096442e88bc6c4277cd99f943b6e3699a2eaa0abffb3f854b0f0e7472c1d1343N.exe
396	csrsll.exe
2796	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

Processes:

096442e88bc6c4277cd99f943b6e3699a2eaa0abffb3f854b0f0e7472c1d1343N.exe096442e88bc6c4277cd99f943b6e3699a2eaa0abffb3f854b0f0e7472c1d1343N.execmd.execsrsll.exe

description	pid	Process	procid_target
PID 3824 wrote to memory of 4160	3824	096442e88bc6c4277cd99f943b6e3699a2eaa0abffb3f854b0f0e7472c1d1343N.exe	91
PID 3824 wrote to memory of 4160	3824	096442e88bc6c4277cd99f943b6e3699a2eaa0abffb3f854b0f0e7472c1d1343N.exe	91
PID 3824 wrote to memory of 4160	3824	096442e88bc6c4277cd99f943b6e3699a2eaa0abffb3f854b0f0e7472c1d1343N.exe	91
PID 3824 wrote to memory of 4160	3824	096442e88bc6c4277cd99f943b6e3699a2eaa0abffb3f854b0f0e7472c1d1343N.exe	91
PID 3824 wrote to memory of 4160	3824	096442e88bc6c4277cd99f943b6e3699a2eaa0abffb3f854b0f0e7472c1d1343N.exe	91
PID 3824 wrote to memory of 4160	3824	096442e88bc6c4277cd99f943b6e3699a2eaa0abffb3f854b0f0e7472c1d1343N.exe	91
PID 3824 wrote to memory of 4160	3824	096442e88bc6c4277cd99f943b6e3699a2eaa0abffb3f854b0f0e7472c1d1343N.exe	91
PID 3824 wrote to memory of 4160	3824	096442e88bc6c4277cd99f943b6e3699a2eaa0abffb3f854b0f0e7472c1d1343N.exe	91
PID 4160 wrote to memory of 2568	4160	096442e88bc6c4277cd99f943b6e3699a2eaa0abffb3f854b0f0e7472c1d1343N.exe	93
PID 4160 wrote to memory of 2568	4160	096442e88bc6c4277cd99f943b6e3699a2eaa0abffb3f854b0f0e7472c1d1343N.exe	93
PID 4160 wrote to memory of 2568	4160	096442e88bc6c4277cd99f943b6e3699a2eaa0abffb3f854b0f0e7472c1d1343N.exe	93
PID 2568 wrote to memory of 3408	2568	cmd.exe	96
PID 2568 wrote to memory of 3408	2568	cmd.exe	96
PID 2568 wrote to memory of 3408	2568	cmd.exe	96
PID 4160 wrote to memory of 396	4160	096442e88bc6c4277cd99f943b6e3699a2eaa0abffb3f854b0f0e7472c1d1343N.exe	97
PID 4160 wrote to memory of 396	4160	096442e88bc6c4277cd99f943b6e3699a2eaa0abffb3f854b0f0e7472c1d1343N.exe	97
PID 4160 wrote to memory of 396	4160	096442e88bc6c4277cd99f943b6e3699a2eaa0abffb3f854b0f0e7472c1d1343N.exe	97
PID 396 wrote to memory of 2796	396	csrsll.exe	100
PID 396 wrote to memory of 2796	396	csrsll.exe	100
PID 396 wrote to memory of 2796	396	csrsll.exe	100
PID 396 wrote to memory of 2796	396	csrsll.exe	100
PID 396 wrote to memory of 2796	396	csrsll.exe	100
PID 396 wrote to memory of 2796	396	csrsll.exe	100
PID 396 wrote to memory of 2796	396	csrsll.exe	100
PID 396 wrote to memory of 2796	396	csrsll.exe	100
PID 396 wrote to memory of 4196	396	csrsll.exe	101
PID 396 wrote to memory of 4196	396	csrsll.exe	101
PID 396 wrote to memory of 4196	396	csrsll.exe	101
PID 396 wrote to memory of 4196	396	csrsll.exe	101
PID 396 wrote to memory of 4196	396	csrsll.exe	101
PID 396 wrote to memory of 4196	396	csrsll.exe	101
PID 396 wrote to memory of 4196	396	csrsll.exe	101
PID 396 wrote to memory of 4196	396	csrsll.exe	101

C:\Users\Admin\AppData\Local\Temp\096442e88bc6c4277cd99f943b6e3699a2eaa0abffb3f854b0f0e7472c1d1343N.exe
"C:\Users\Admin\AppData\Local\Temp\096442e88bc6c4277cd99f943b6e3699a2eaa0abffb3f854b0f0e7472c1d1343N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3824
- C:\Users\Admin\AppData\Local\Temp\096442e88bc6c4277cd99f943b6e3699a2eaa0abffb3f854b0f0e7472c1d1343N.exe
  "C:\Users\Admin\AppData\Local\Temp\096442e88bc6c4277cd99f943b6e3699a2eaa0abffb3f854b0f0e7472c1d1343N.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4160
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\YKSKT.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2568
  - - 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:3408
- - 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:396
  - - 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:2796
  - - 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:4196

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\YKSKT.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
f602b0a0a60ccfe0b3098c38252b81b3

SHA1
136b1211e068b5e85a436afee1fdd6eb87e9e96b

SHA256
519208f2acf2aa8efbee2b92b2922e4cef775298fcf9739f3cff1df4ab0ad67c

SHA512
e60fec42a27a25d7389aca924783bb65c3d4f413161aa5f1aa2484003d4dd2eb5e6c6c4464fac20a90312d2efb21b24cad3cc1d636cdc03dbac189ac2e269e05

Download Submit
memory/396-60-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/396-43-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/396-44-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/396-37-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/396-45-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2796-64-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3824-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3824-16-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3824-5-0x0000000002A60000-0x0000000002A62000-memory.dmp

Filesize
8KB

Download
memory/3824-6-0x0000000002A70000-0x0000000002A72000-memory.dmp

Filesize
8KB

Download
memory/3824-7-0x0000000002A80000-0x0000000002A82000-memory.dmp

Filesize
8KB

Download
memory/3824-3-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3824-4-0x0000000002A50000-0x0000000002A52000-memory.dmp

Filesize
8KB

Download
memory/4160-10-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4160-41-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4160-12-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4160-63-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4160-8-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4196-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4196-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4196-61-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4196-58-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4196-57-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4196-65-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download