modiloader | 1a90e1213b81b279cc22a53934ad33f37e6d9636b0e033e32713bda08e234965

Analysis

max time kernel
120s
max time network
117s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
02/12/2024, 09:37

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

1a90e1213b81b279cc22a53934ad33f37e6d9636b0e033e32713bda08e234965N.exe
Size

90KB
MD5

ec37c25df67af6ee62498bc098a0b140
SHA1

7a2aa876eaff43b1eab47053a85bb47197a91274
SHA256

1a90e1213b81b279cc22a53934ad33f37e6d9636b0e033e32713bda08e234965
SHA512

bad281802c444a990a83a43d37a815802330a890b08784e304d8ece9da9d567afb61b6bbd8d440f71b713afeead9e34d4108c2440d64acc8776285f4b2f82363
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDn:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE39

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/468-51-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/468-50-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/468-59-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/468-61-0x0000000000400000-0x0000000000414000-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-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	1a90e1213b81b279cc22a53934ad33f37e6d9636b0e033e32713bda08e234965N.exe

Executes dropped EXE 3 IoCs

pid	Process
1348	csrsll.exe
2308	csrsll.exe
468	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-1-5-21-4050598569-1597076380-177084960-1000\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 1004 set thread context of 2884	1004	1a90e1213b81b279cc22a53934ad33f37e6d9636b0e033e32713bda08e234965N.exe	86
PID 1348 set thread context of 2308	1348	csrsll.exe	95
PID 1348 set thread context of 468	1348	csrsll.exe	96

UPX packed file 18 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1004-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1004-4-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2884-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2884-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2884-11-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1004-14-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/files/0x000b000000023b95-28.dat	upx
behavioral2/memory/2884-38-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1348-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/468-43-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/468-49-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1348-55-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2884-58-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/468-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/468-50-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/468-59-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2308-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/468-61-0x0000000000400000-0x0000000000414000-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	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	1a90e1213b81b279cc22a53934ad33f37e6d9636b0e033e32713bda08e234965N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1a90e1213b81b279cc22a53934ad33f37e6d9636b0e033e32713bda08e234965N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2308	csrsll.exe
Token: SeDebugPrivilege	2308	csrsll.exe
Token: SeDebugPrivilege	2308	csrsll.exe
Token: SeDebugPrivilege	2308	csrsll.exe
Token: SeDebugPrivilege	2308	csrsll.exe
Token: SeDebugPrivilege	2308	csrsll.exe
Token: SeDebugPrivilege	2308	csrsll.exe
Token: SeDebugPrivilege	2308	csrsll.exe
Token: SeDebugPrivilege	2308	csrsll.exe
Token: SeDebugPrivilege	2308	csrsll.exe
Token: SeDebugPrivilege	2308	csrsll.exe
Token: SeDebugPrivilege	2308	csrsll.exe
Token: SeDebugPrivilege	2308	csrsll.exe
Token: SeDebugPrivilege	2308	csrsll.exe
Token: SeDebugPrivilege	2308	csrsll.exe
Token: SeDebugPrivilege	2308	csrsll.exe
Token: SeDebugPrivilege	2308	csrsll.exe
Token: SeDebugPrivilege	2308	csrsll.exe
Token: SeDebugPrivilege	2308	csrsll.exe
Token: SeDebugPrivilege	2308	csrsll.exe
Token: SeDebugPrivilege	2308	csrsll.exe
Token: SeDebugPrivilege	2308	csrsll.exe
Token: SeDebugPrivilege	2308	csrsll.exe
Token: SeDebugPrivilege	2308	csrsll.exe
Token: SeDebugPrivilege	2308	csrsll.exe
Token: SeDebugPrivilege	2308	csrsll.exe
Token: SeDebugPrivilege	2308	csrsll.exe
Token: SeDebugPrivilege	2308	csrsll.exe
Token: SeDebugPrivilege	2308	csrsll.exe
Token: SeDebugPrivilege	2308	csrsll.exe
Token: SeDebugPrivilege	2308	csrsll.exe
Token: SeDebugPrivilege	2308	csrsll.exe
Token: SeDebugPrivilege	2308	csrsll.exe
Token: SeDebugPrivilege	2308	csrsll.exe
Token: SeDebugPrivilege	2308	csrsll.exe
Token: SeDebugPrivilege	2308	csrsll.exe
Token: SeDebugPrivilege	2308	csrsll.exe
Token: SeDebugPrivilege	2308	csrsll.exe
Token: SeDebugPrivilege	2308	csrsll.exe
Token: SeDebugPrivilege	2308	csrsll.exe
Token: SeDebugPrivilege	2308	csrsll.exe
Token: SeDebugPrivilege	2308	csrsll.exe
Token: SeDebugPrivilege	2308	csrsll.exe
Token: SeDebugPrivilege	2308	csrsll.exe
Token: SeDebugPrivilege	2308	csrsll.exe
Token: SeDebugPrivilege	2308	csrsll.exe
Token: SeDebugPrivilege	2308	csrsll.exe
Token: SeDebugPrivilege	2308	csrsll.exe
Token: SeDebugPrivilege	2308	csrsll.exe
Token: SeDebugPrivilege	2308	csrsll.exe
Token: SeDebugPrivilege	2308	csrsll.exe
Token: SeDebugPrivilege	2308	csrsll.exe
Token: SeDebugPrivilege	2308	csrsll.exe
Token: SeDebugPrivilege	2308	csrsll.exe
Token: SeDebugPrivilege	2308	csrsll.exe
Token: SeDebugPrivilege	2308	csrsll.exe
Token: SeDebugPrivilege	2308	csrsll.exe
Token: SeDebugPrivilege	2308	csrsll.exe
Token: SeDebugPrivilege	2308	csrsll.exe
Token: SeDebugPrivilege	2308	csrsll.exe
Token: SeDebugPrivilege	2308	csrsll.exe
Token: SeDebugPrivilege	2308	csrsll.exe
Token: SeDebugPrivilege	2308	csrsll.exe
Token: SeDebugPrivilege	2308	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1004	1a90e1213b81b279cc22a53934ad33f37e6d9636b0e033e32713bda08e234965N.exe
2884	1a90e1213b81b279cc22a53934ad33f37e6d9636b0e033e32713bda08e234965N.exe
1348	csrsll.exe
2308	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 1004 wrote to memory of 2884	1004	1a90e1213b81b279cc22a53934ad33f37e6d9636b0e033e32713bda08e234965N.exe	86
PID 1004 wrote to memory of 2884	1004	1a90e1213b81b279cc22a53934ad33f37e6d9636b0e033e32713bda08e234965N.exe	86
PID 1004 wrote to memory of 2884	1004	1a90e1213b81b279cc22a53934ad33f37e6d9636b0e033e32713bda08e234965N.exe	86
PID 1004 wrote to memory of 2884	1004	1a90e1213b81b279cc22a53934ad33f37e6d9636b0e033e32713bda08e234965N.exe	86
PID 1004 wrote to memory of 2884	1004	1a90e1213b81b279cc22a53934ad33f37e6d9636b0e033e32713bda08e234965N.exe	86
PID 1004 wrote to memory of 2884	1004	1a90e1213b81b279cc22a53934ad33f37e6d9636b0e033e32713bda08e234965N.exe	86
PID 1004 wrote to memory of 2884	1004	1a90e1213b81b279cc22a53934ad33f37e6d9636b0e033e32713bda08e234965N.exe	86
PID 1004 wrote to memory of 2884	1004	1a90e1213b81b279cc22a53934ad33f37e6d9636b0e033e32713bda08e234965N.exe	86
PID 2884 wrote to memory of 3408	2884	1a90e1213b81b279cc22a53934ad33f37e6d9636b0e033e32713bda08e234965N.exe	87
PID 2884 wrote to memory of 3408	2884	1a90e1213b81b279cc22a53934ad33f37e6d9636b0e033e32713bda08e234965N.exe	87
PID 2884 wrote to memory of 3408	2884	1a90e1213b81b279cc22a53934ad33f37e6d9636b0e033e32713bda08e234965N.exe	87
PID 3408 wrote to memory of 4676	3408	cmd.exe	91
PID 3408 wrote to memory of 4676	3408	cmd.exe	91
PID 3408 wrote to memory of 4676	3408	cmd.exe	91
PID 2884 wrote to memory of 1348	2884	1a90e1213b81b279cc22a53934ad33f37e6d9636b0e033e32713bda08e234965N.exe	92
PID 2884 wrote to memory of 1348	2884	1a90e1213b81b279cc22a53934ad33f37e6d9636b0e033e32713bda08e234965N.exe	92
PID 2884 wrote to memory of 1348	2884	1a90e1213b81b279cc22a53934ad33f37e6d9636b0e033e32713bda08e234965N.exe	92
PID 1348 wrote to memory of 2308	1348	csrsll.exe	95
PID 1348 wrote to memory of 2308	1348	csrsll.exe	95
PID 1348 wrote to memory of 2308	1348	csrsll.exe	95
PID 1348 wrote to memory of 2308	1348	csrsll.exe	95
PID 1348 wrote to memory of 2308	1348	csrsll.exe	95
PID 1348 wrote to memory of 2308	1348	csrsll.exe	95
PID 1348 wrote to memory of 2308	1348	csrsll.exe	95
PID 1348 wrote to memory of 2308	1348	csrsll.exe	95
PID 1348 wrote to memory of 468	1348	csrsll.exe	96
PID 1348 wrote to memory of 468	1348	csrsll.exe	96
PID 1348 wrote to memory of 468	1348	csrsll.exe	96
PID 1348 wrote to memory of 468	1348	csrsll.exe	96
PID 1348 wrote to memory of 468	1348	csrsll.exe	96
PID 1348 wrote to memory of 468	1348	csrsll.exe	96
PID 1348 wrote to memory of 468	1348	csrsll.exe	96
PID 1348 wrote to memory of 468	1348	csrsll.exe	96

C:\Users\Admin\AppData\Local\Temp\1a90e1213b81b279cc22a53934ad33f37e6d9636b0e033e32713bda08e234965N.exe
"C:\Users\Admin\AppData\Local\Temp\1a90e1213b81b279cc22a53934ad33f37e6d9636b0e033e32713bda08e234965N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1004
- C:\Users\Admin\AppData\Local\Temp\1a90e1213b81b279cc22a53934ad33f37e6d9636b0e033e32713bda08e234965N.exe
  "C:\Users\Admin\AppData\Local\Temp\1a90e1213b81b279cc22a53934ad33f37e6d9636b0e033e32713bda08e234965N.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2884
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\KIMHO.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3408
  - - 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:4676
- - 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:1348
  - - 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:2308
  - - 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:468

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\KIMHO.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
96b304bb90a8bf78f7d2868e1199f749

SHA1
69a93e160f9b998fd7c0c5062c00836b057a1899

SHA256
c9bbde8ee531ab64b538f7eab5d6b01b9013feef45b49ffa4e499b9cde9b52ec

SHA512
5577deb06bfe2896919b3b98d1b15882b3f26770998f1a12d22c6e0b0e210fddf8fde1aee564ff83f93dfae76c5c6360cd7e7131c4a2ac7ad3db2af88bc2cdb2

Download Submit
memory/468-59-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/468-61-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/468-49-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/468-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/468-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/468-43-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1004-5-0x0000000002A80000-0x0000000002A82000-memory.dmp

Filesize
8KB

Download
memory/1004-4-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1004-14-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1004-6-0x0000000002A70000-0x0000000002A72000-memory.dmp

Filesize
8KB

Download
memory/1004-3-0x0000000002A50000-0x0000000002A52000-memory.dmp

Filesize
8KB

Download
memory/1004-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1348-55-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1348-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2308-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2884-58-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2884-38-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2884-11-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2884-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2884-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads