modiloader | 073770b2a13473fcb7979dcbac458076a5ab30a112c1125d291fc6747d51f69e

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
21-01-2025 11:08

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

073770b2a13473fcb7979dcbac458076a5ab30a112c1125d291fc6747d51f69e.exe
Size

90KB
MD5

dca6bba0b06c06d69a50d2c517513361
SHA1

26dd7b576ecb39c746cf7e831968a61de5a455d2
SHA256

073770b2a13473fcb7979dcbac458076a5ab30a112c1125d291fc6747d51f69e
SHA512

1f517c2952c3f4b84734a1e8221bdb150a8da9309ca8e3ae8a5bbc3a311e900fbf2bd1935d3e5aa6c5a72e7c169737d17c3e6bd90a6775dcf3846d7d33f75f19
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDG:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3E

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/212-51-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/212-52-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/212-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/212-62-0x0000000000400000-0x0000000000414000-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-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	073770b2a13473fcb7979dcbac458076a5ab30a112c1125d291fc6747d51f69e.exe

Executes dropped EXE 3 IoCs

pid	Process
4792	csrsll.exe
2864	csrsll.exe
212	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-1-5-21-2045521122-590294423-3465680274-1000\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 2880 set thread context of 3104	2880	073770b2a13473fcb7979dcbac458076a5ab30a112c1125d291fc6747d51f69e.exe	85
PID 4792 set thread context of 2864	4792	csrsll.exe	99
PID 4792 set thread context of 212	4792	csrsll.exe	100

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2880-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2880-4-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3104-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3104-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2880-12-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3104-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0009000000023c14-30.dat	upx
behavioral2/memory/3104-39-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4792-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4792-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/212-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/212-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/212-50-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/212-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/212-45-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4792-57-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3104-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2864-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/212-62-0x0000000000400000-0x0000000000414000-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	073770b2a13473fcb7979dcbac458076a5ab30a112c1125d291fc6747d51f69e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	073770b2a13473fcb7979dcbac458076a5ab30a112c1125d291fc6747d51f69e.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2864	csrsll.exe
Token: SeDebugPrivilege	2864	csrsll.exe
Token: SeDebugPrivilege	2864	csrsll.exe
Token: SeDebugPrivilege	2864	csrsll.exe
Token: SeDebugPrivilege	2864	csrsll.exe
Token: SeDebugPrivilege	2864	csrsll.exe
Token: SeDebugPrivilege	2864	csrsll.exe
Token: SeDebugPrivilege	2864	csrsll.exe
Token: SeDebugPrivilege	2864	csrsll.exe
Token: SeDebugPrivilege	2864	csrsll.exe
Token: SeDebugPrivilege	2864	csrsll.exe
Token: SeDebugPrivilege	2864	csrsll.exe
Token: SeDebugPrivilege	2864	csrsll.exe
Token: SeDebugPrivilege	2864	csrsll.exe
Token: SeDebugPrivilege	2864	csrsll.exe
Token: SeDebugPrivilege	2864	csrsll.exe
Token: SeDebugPrivilege	2864	csrsll.exe
Token: SeDebugPrivilege	2864	csrsll.exe
Token: SeDebugPrivilege	2864	csrsll.exe
Token: SeDebugPrivilege	2864	csrsll.exe
Token: SeDebugPrivilege	2864	csrsll.exe
Token: SeDebugPrivilege	2864	csrsll.exe
Token: SeDebugPrivilege	2864	csrsll.exe
Token: SeDebugPrivilege	2864	csrsll.exe
Token: SeDebugPrivilege	2864	csrsll.exe
Token: SeDebugPrivilege	2864	csrsll.exe
Token: SeDebugPrivilege	2864	csrsll.exe
Token: SeDebugPrivilege	2864	csrsll.exe
Token: SeDebugPrivilege	2864	csrsll.exe
Token: SeDebugPrivilege	2864	csrsll.exe
Token: SeDebugPrivilege	2864	csrsll.exe
Token: SeDebugPrivilege	2864	csrsll.exe
Token: SeDebugPrivilege	2864	csrsll.exe
Token: SeDebugPrivilege	2864	csrsll.exe
Token: SeDebugPrivilege	2864	csrsll.exe
Token: SeDebugPrivilege	2864	csrsll.exe
Token: SeDebugPrivilege	2864	csrsll.exe
Token: SeDebugPrivilege	2864	csrsll.exe
Token: SeDebugPrivilege	2864	csrsll.exe
Token: SeDebugPrivilege	2864	csrsll.exe
Token: SeDebugPrivilege	2864	csrsll.exe
Token: SeDebugPrivilege	2864	csrsll.exe
Token: SeDebugPrivilege	2864	csrsll.exe
Token: SeDebugPrivilege	2864	csrsll.exe
Token: SeDebugPrivilege	2864	csrsll.exe
Token: SeDebugPrivilege	2864	csrsll.exe
Token: SeDebugPrivilege	2864	csrsll.exe
Token: SeDebugPrivilege	2864	csrsll.exe
Token: SeDebugPrivilege	2864	csrsll.exe
Token: SeDebugPrivilege	2864	csrsll.exe
Token: SeDebugPrivilege	2864	csrsll.exe
Token: SeDebugPrivilege	2864	csrsll.exe
Token: SeDebugPrivilege	2864	csrsll.exe
Token: SeDebugPrivilege	2864	csrsll.exe
Token: SeDebugPrivilege	2864	csrsll.exe
Token: SeDebugPrivilege	2864	csrsll.exe
Token: SeDebugPrivilege	2864	csrsll.exe
Token: SeDebugPrivilege	2864	csrsll.exe
Token: SeDebugPrivilege	2864	csrsll.exe
Token: SeDebugPrivilege	2864	csrsll.exe
Token: SeDebugPrivilege	2864	csrsll.exe
Token: SeDebugPrivilege	2864	csrsll.exe
Token: SeDebugPrivilege	2864	csrsll.exe
Token: SeDebugPrivilege	2864	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2880	073770b2a13473fcb7979dcbac458076a5ab30a112c1125d291fc6747d51f69e.exe
3104	073770b2a13473fcb7979dcbac458076a5ab30a112c1125d291fc6747d51f69e.exe
4792	csrsll.exe
2864	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 2880 wrote to memory of 3104	2880	073770b2a13473fcb7979dcbac458076a5ab30a112c1125d291fc6747d51f69e.exe	85
PID 2880 wrote to memory of 3104	2880	073770b2a13473fcb7979dcbac458076a5ab30a112c1125d291fc6747d51f69e.exe	85
PID 2880 wrote to memory of 3104	2880	073770b2a13473fcb7979dcbac458076a5ab30a112c1125d291fc6747d51f69e.exe	85
PID 2880 wrote to memory of 3104	2880	073770b2a13473fcb7979dcbac458076a5ab30a112c1125d291fc6747d51f69e.exe	85
PID 2880 wrote to memory of 3104	2880	073770b2a13473fcb7979dcbac458076a5ab30a112c1125d291fc6747d51f69e.exe	85
PID 2880 wrote to memory of 3104	2880	073770b2a13473fcb7979dcbac458076a5ab30a112c1125d291fc6747d51f69e.exe	85
PID 2880 wrote to memory of 3104	2880	073770b2a13473fcb7979dcbac458076a5ab30a112c1125d291fc6747d51f69e.exe	85
PID 2880 wrote to memory of 3104	2880	073770b2a13473fcb7979dcbac458076a5ab30a112c1125d291fc6747d51f69e.exe	85
PID 3104 wrote to memory of 4024	3104	073770b2a13473fcb7979dcbac458076a5ab30a112c1125d291fc6747d51f69e.exe	86
PID 3104 wrote to memory of 4024	3104	073770b2a13473fcb7979dcbac458076a5ab30a112c1125d291fc6747d51f69e.exe	86
PID 3104 wrote to memory of 4024	3104	073770b2a13473fcb7979dcbac458076a5ab30a112c1125d291fc6747d51f69e.exe	86
PID 4024 wrote to memory of 3076	4024	cmd.exe	90
PID 4024 wrote to memory of 3076	4024	cmd.exe	90
PID 4024 wrote to memory of 3076	4024	cmd.exe	90
PID 3104 wrote to memory of 4792	3104	073770b2a13473fcb7979dcbac458076a5ab30a112c1125d291fc6747d51f69e.exe	91
PID 3104 wrote to memory of 4792	3104	073770b2a13473fcb7979dcbac458076a5ab30a112c1125d291fc6747d51f69e.exe	91
PID 3104 wrote to memory of 4792	3104	073770b2a13473fcb7979dcbac458076a5ab30a112c1125d291fc6747d51f69e.exe	91
PID 4792 wrote to memory of 2864	4792	csrsll.exe	99
PID 4792 wrote to memory of 2864	4792	csrsll.exe	99
PID 4792 wrote to memory of 2864	4792	csrsll.exe	99
PID 4792 wrote to memory of 2864	4792	csrsll.exe	99
PID 4792 wrote to memory of 2864	4792	csrsll.exe	99
PID 4792 wrote to memory of 2864	4792	csrsll.exe	99
PID 4792 wrote to memory of 2864	4792	csrsll.exe	99
PID 4792 wrote to memory of 2864	4792	csrsll.exe	99
PID 4792 wrote to memory of 212	4792	csrsll.exe	100
PID 4792 wrote to memory of 212	4792	csrsll.exe	100
PID 4792 wrote to memory of 212	4792	csrsll.exe	100
PID 4792 wrote to memory of 212	4792	csrsll.exe	100
PID 4792 wrote to memory of 212	4792	csrsll.exe	100
PID 4792 wrote to memory of 212	4792	csrsll.exe	100
PID 4792 wrote to memory of 212	4792	csrsll.exe	100
PID 4792 wrote to memory of 212	4792	csrsll.exe	100

C:\Users\Admin\AppData\Local\Temp\073770b2a13473fcb7979dcbac458076a5ab30a112c1125d291fc6747d51f69e.exe
"C:\Users\Admin\AppData\Local\Temp\073770b2a13473fcb7979dcbac458076a5ab30a112c1125d291fc6747d51f69e.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2880
- C:\Users\Admin\AppData\Local\Temp\073770b2a13473fcb7979dcbac458076a5ab30a112c1125d291fc6747d51f69e.exe
  "C:\Users\Admin\AppData\Local\Temp\073770b2a13473fcb7979dcbac458076a5ab30a112c1125d291fc6747d51f69e.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3104
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\EJXXL.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4024
  - - 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:3076
- - 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:4792
  - - 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:2864
  - - 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:212

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\EJXXL.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
8bc43e9ca06045076d6267a01ca23c69

SHA1
2b52fa81530d273be115e3066ecbff2d61a2cac6

SHA256
d58e0f891adb689d45f1af14fa68d302d6f58e6a2fee3ea730fabcad2946ff3d

SHA512
a18e6f26e97427ff81952e6d8b6f3d910d68194566de9298750400c0f6d84feb48959ad9306d83a8884b462fe6181a6ec5137e86f134d43369c1f9a68b1037fc

Download Submit
memory/212-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/212-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/212-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/212-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/212-62-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/212-45-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2864-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2880-6-0x0000000002340000-0x0000000002342000-memory.dmp

Filesize
8KB

Download
memory/2880-12-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2880-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2880-5-0x0000000002330000-0x0000000002332000-memory.dmp

Filesize
8KB

Download
memory/2880-4-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2880-3-0x0000000002310000-0x0000000002312000-memory.dmp

Filesize
8KB

Download
memory/3104-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3104-39-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3104-58-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/3104-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3104-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3104-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4792-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4792-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4792-57-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads