modiloader | e46add989c8a36cde6d6dbf579fdc57766c0ff9df256cad536b46abafce99a5c

Analysis

max time kernel
59s
max time network
61s
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 19:36

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General

Target

e46add989c8a36cde6d6dbf579fdc57766c0ff9df256cad536b46abafce99a5c.exe
Size

90KB
MD5

4d2cbba552cd2c975bf4d1663315dc36
SHA1

a2b1357c29be79394193bd7c9d443cde67019aa2
SHA256

e46add989c8a36cde6d6dbf579fdc57766c0ff9df256cad536b46abafce99a5c
SHA512

a803e7554e2a6bb473317fbf33046e5936b5ccfab537b19ea40f2a7e58ebaadd7b1961458983aff75610a4bc98134f6678a9c3843702ddcb1f2ede9522dc6825
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDb:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3l

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/60-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/60-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/60-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/60-63-0x0000000000400000-0x0000000000414000-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-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	e46add989c8a36cde6d6dbf579fdc57766c0ff9df256cad536b46abafce99a5c.exe

Executes dropped EXE 3 IoCs

pid	Process
4704	csrsll.exe
940	csrsll.exe
60	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 1932 set thread context of 1408	1932	e46add989c8a36cde6d6dbf579fdc57766c0ff9df256cad536b46abafce99a5c.exe	90
PID 4704 set thread context of 940	4704	csrsll.exe	101
PID 4704 set thread context of 60	4704	csrsll.exe	102

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1932-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1932-4-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1408-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1408-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1932-13-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1408-12-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0008000000023cb7-29.dat	upx
behavioral2/memory/1408-39-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4704-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4704-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/60-45-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/60-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/60-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/60-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4704-58-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/60-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1408-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/940-62-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/60-63-0x0000000000400000-0x0000000000414000-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	e46add989c8a36cde6d6dbf579fdc57766c0ff9df256cad536b46abafce99a5c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e46add989c8a36cde6d6dbf579fdc57766c0ff9df256cad536b46abafce99a5c.exe

Suspicious use of AdjustPrivilegeToken 28 IoCs

description	pid	Process
Token: SeDebugPrivilege	940	csrsll.exe
Token: SeDebugPrivilege	940	csrsll.exe
Token: SeDebugPrivilege	940	csrsll.exe
Token: SeDebugPrivilege	940	csrsll.exe
Token: SeDebugPrivilege	940	csrsll.exe
Token: SeDebugPrivilege	940	csrsll.exe
Token: SeDebugPrivilege	940	csrsll.exe
Token: SeDebugPrivilege	940	csrsll.exe
Token: SeDebugPrivilege	940	csrsll.exe
Token: SeDebugPrivilege	940	csrsll.exe
Token: SeDebugPrivilege	940	csrsll.exe
Token: SeDebugPrivilege	940	csrsll.exe
Token: SeDebugPrivilege	940	csrsll.exe
Token: SeDebugPrivilege	940	csrsll.exe
Token: SeDebugPrivilege	940	csrsll.exe
Token: SeDebugPrivilege	940	csrsll.exe
Token: SeDebugPrivilege	940	csrsll.exe
Token: SeDebugPrivilege	940	csrsll.exe
Token: SeDebugPrivilege	940	csrsll.exe
Token: SeDebugPrivilege	940	csrsll.exe
Token: SeDebugPrivilege	940	csrsll.exe
Token: SeDebugPrivilege	940	csrsll.exe
Token: SeDebugPrivilege	940	csrsll.exe
Token: SeDebugPrivilege	940	csrsll.exe
Token: SeDebugPrivilege	940	csrsll.exe
Token: SeDebugPrivilege	940	csrsll.exe
Token: SeDebugPrivilege	940	csrsll.exe
Token: SeDebugPrivilege	940	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1932	e46add989c8a36cde6d6dbf579fdc57766c0ff9df256cad536b46abafce99a5c.exe
1408	e46add989c8a36cde6d6dbf579fdc57766c0ff9df256cad536b46abafce99a5c.exe
4704	csrsll.exe
940	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 1932 wrote to memory of 1408	1932	e46add989c8a36cde6d6dbf579fdc57766c0ff9df256cad536b46abafce99a5c.exe	90
PID 1932 wrote to memory of 1408	1932	e46add989c8a36cde6d6dbf579fdc57766c0ff9df256cad536b46abafce99a5c.exe	90
PID 1932 wrote to memory of 1408	1932	e46add989c8a36cde6d6dbf579fdc57766c0ff9df256cad536b46abafce99a5c.exe	90
PID 1932 wrote to memory of 1408	1932	e46add989c8a36cde6d6dbf579fdc57766c0ff9df256cad536b46abafce99a5c.exe	90
PID 1932 wrote to memory of 1408	1932	e46add989c8a36cde6d6dbf579fdc57766c0ff9df256cad536b46abafce99a5c.exe	90
PID 1932 wrote to memory of 1408	1932	e46add989c8a36cde6d6dbf579fdc57766c0ff9df256cad536b46abafce99a5c.exe	90
PID 1932 wrote to memory of 1408	1932	e46add989c8a36cde6d6dbf579fdc57766c0ff9df256cad536b46abafce99a5c.exe	90
PID 1932 wrote to memory of 1408	1932	e46add989c8a36cde6d6dbf579fdc57766c0ff9df256cad536b46abafce99a5c.exe	90
PID 1408 wrote to memory of 2248	1408	e46add989c8a36cde6d6dbf579fdc57766c0ff9df256cad536b46abafce99a5c.exe	93
PID 1408 wrote to memory of 2248	1408	e46add989c8a36cde6d6dbf579fdc57766c0ff9df256cad536b46abafce99a5c.exe	93
PID 1408 wrote to memory of 2248	1408	e46add989c8a36cde6d6dbf579fdc57766c0ff9df256cad536b46abafce99a5c.exe	93
PID 2248 wrote to memory of 1632	2248	cmd.exe	96
PID 2248 wrote to memory of 1632	2248	cmd.exe	96
PID 2248 wrote to memory of 1632	2248	cmd.exe	96
PID 1408 wrote to memory of 4704	1408	e46add989c8a36cde6d6dbf579fdc57766c0ff9df256cad536b46abafce99a5c.exe	97
PID 1408 wrote to memory of 4704	1408	e46add989c8a36cde6d6dbf579fdc57766c0ff9df256cad536b46abafce99a5c.exe	97
PID 1408 wrote to memory of 4704	1408	e46add989c8a36cde6d6dbf579fdc57766c0ff9df256cad536b46abafce99a5c.exe	97
PID 4704 wrote to memory of 940	4704	csrsll.exe	101
PID 4704 wrote to memory of 940	4704	csrsll.exe	101
PID 4704 wrote to memory of 940	4704	csrsll.exe	101
PID 4704 wrote to memory of 940	4704	csrsll.exe	101
PID 4704 wrote to memory of 940	4704	csrsll.exe	101
PID 4704 wrote to memory of 940	4704	csrsll.exe	101
PID 4704 wrote to memory of 940	4704	csrsll.exe	101
PID 4704 wrote to memory of 940	4704	csrsll.exe	101
PID 4704 wrote to memory of 60	4704	csrsll.exe	102
PID 4704 wrote to memory of 60	4704	csrsll.exe	102
PID 4704 wrote to memory of 60	4704	csrsll.exe	102
PID 4704 wrote to memory of 60	4704	csrsll.exe	102
PID 4704 wrote to memory of 60	4704	csrsll.exe	102
PID 4704 wrote to memory of 60	4704	csrsll.exe	102
PID 4704 wrote to memory of 60	4704	csrsll.exe	102
PID 4704 wrote to memory of 60	4704	csrsll.exe	102

C:\Users\Admin\AppData\Local\Temp\e46add989c8a36cde6d6dbf579fdc57766c0ff9df256cad536b46abafce99a5c.exe
"C:\Users\Admin\AppData\Local\Temp\e46add989c8a36cde6d6dbf579fdc57766c0ff9df256cad536b46abafce99a5c.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1932
- C:\Users\Admin\AppData\Local\Temp\e46add989c8a36cde6d6dbf579fdc57766c0ff9df256cad536b46abafce99a5c.exe
  "C:\Users\Admin\AppData\Local\Temp\e46add989c8a36cde6d6dbf579fdc57766c0ff9df256cad536b46abafce99a5c.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1408
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\IWVHP.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2248
  - - 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:1632
- - 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:4704
  - - 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:940
  - - 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:60

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\IWVHP.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
4d2cbba552cd2c975bf4d1663315dc36

SHA1
a2b1357c29be79394193bd7c9d443cde67019aa2

SHA256
e46add989c8a36cde6d6dbf579fdc57766c0ff9df256cad536b46abafce99a5c

SHA512
a803e7554e2a6bb473317fbf33046e5936b5ccfab537b19ea40f2a7e58ebaadd7b1961458983aff75610a4bc98134f6678a9c3843702ddcb1f2ede9522dc6825

Download Submit
memory/60-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/60-63-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/60-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/60-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/60-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/60-45-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/940-62-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1408-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1408-39-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1408-12-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1408-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1408-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1408-59-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/1932-3-0x00000000021D0000-0x00000000021D2000-memory.dmp

Filesize
8KB

Download
memory/1932-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1932-4-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1932-6-0x0000000002A50000-0x0000000002A52000-memory.dmp

Filesize
8KB

Download
memory/1932-13-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1932-5-0x0000000002A40000-0x0000000002A42000-memory.dmp

Filesize
8KB

Download
memory/4704-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4704-58-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4704-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads