modiloader | e02f555deed7b3c18e22979a79c7ef3b6e093fde56f0474955e4f75b2d1bfe45

Analysis

max time kernel
119s
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
04-12-2024 01:58

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General

Target

e02f555deed7b3c18e22979a79c7ef3b6e093fde56f0474955e4f75b2d1bfe45.exe
Size

90KB
MD5

c76121f5e3f27291ad7f81b2d2f65ae9
SHA1

d8cadd277ea3bd6fd78cf916de5e3b95babe8b55
SHA256

e02f555deed7b3c18e22979a79c7ef3b6e093fde56f0474955e4f75b2d1bfe45
SHA512

248824668d3e8569749bf2b5e639be7cdf4f3828995b825bfc7f61896d398731d447e741fa701d188e0cf6096805175b2e99cf9535c23281494b07b9783995f5
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oD5:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3b

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/4844-56-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4844-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4844-58-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4844-62-0x0000000000400000-0x0000000000414000-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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	e02f555deed7b3c18e22979a79c7ef3b6e093fde56f0474955e4f75b2d1bfe45.exe

Executes dropped EXE 3 IoCs

pid	Process
4896	csrsll.exe
468	csrsll.exe
4844	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-1-5-21-493223053-2004649691-1575712786-1000\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 3580 set thread context of 2100	3580	e02f555deed7b3c18e22979a79c7ef3b6e093fde56f0474955e4f75b2d1bfe45.exe	86
PID 4896 set thread context of 468	4896	csrsll.exe	100
PID 4896 set thread context of 4844	4896	csrsll.exe	101

UPX packed file 18 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3580-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3580-4-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2100-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2100-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3580-12-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2100-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000b000000023b7b-29.dat	upx
behavioral2/memory/2100-39-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4896-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4844-46-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4844-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4896-53-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4844-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4844-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4844-58-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2100-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/468-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4844-62-0x0000000000400000-0x0000000000414000-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	e02f555deed7b3c18e22979a79c7ef3b6e093fde56f0474955e4f75b2d1bfe45.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e02f555deed7b3c18e22979a79c7ef3b6e093fde56f0474955e4f75b2d1bfe45.exe
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

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	468	csrsll.exe
Token: SeDebugPrivilege	468	csrsll.exe
Token: SeDebugPrivilege	468	csrsll.exe
Token: SeDebugPrivilege	468	csrsll.exe
Token: SeDebugPrivilege	468	csrsll.exe
Token: SeDebugPrivilege	468	csrsll.exe
Token: SeDebugPrivilege	468	csrsll.exe
Token: SeDebugPrivilege	468	csrsll.exe
Token: SeDebugPrivilege	468	csrsll.exe
Token: SeDebugPrivilege	468	csrsll.exe
Token: SeDebugPrivilege	468	csrsll.exe
Token: SeDebugPrivilege	468	csrsll.exe
Token: SeDebugPrivilege	468	csrsll.exe
Token: SeDebugPrivilege	468	csrsll.exe
Token: SeDebugPrivilege	468	csrsll.exe
Token: SeDebugPrivilege	468	csrsll.exe
Token: SeDebugPrivilege	468	csrsll.exe
Token: SeDebugPrivilege	468	csrsll.exe
Token: SeDebugPrivilege	468	csrsll.exe
Token: SeDebugPrivilege	468	csrsll.exe
Token: SeDebugPrivilege	468	csrsll.exe
Token: SeDebugPrivilege	468	csrsll.exe
Token: SeDebugPrivilege	468	csrsll.exe
Token: SeDebugPrivilege	468	csrsll.exe
Token: SeDebugPrivilege	468	csrsll.exe
Token: SeDebugPrivilege	468	csrsll.exe
Token: SeDebugPrivilege	468	csrsll.exe
Token: SeDebugPrivilege	468	csrsll.exe
Token: SeDebugPrivilege	468	csrsll.exe
Token: SeDebugPrivilege	468	csrsll.exe
Token: SeDebugPrivilege	468	csrsll.exe
Token: SeDebugPrivilege	468	csrsll.exe
Token: SeDebugPrivilege	468	csrsll.exe
Token: SeDebugPrivilege	468	csrsll.exe
Token: SeDebugPrivilege	468	csrsll.exe
Token: SeDebugPrivilege	468	csrsll.exe
Token: SeDebugPrivilege	468	csrsll.exe
Token: SeDebugPrivilege	468	csrsll.exe
Token: SeDebugPrivilege	468	csrsll.exe
Token: SeDebugPrivilege	468	csrsll.exe
Token: SeDebugPrivilege	468	csrsll.exe
Token: SeDebugPrivilege	468	csrsll.exe
Token: SeDebugPrivilege	468	csrsll.exe
Token: SeDebugPrivilege	468	csrsll.exe
Token: SeDebugPrivilege	468	csrsll.exe
Token: SeDebugPrivilege	468	csrsll.exe
Token: SeDebugPrivilege	468	csrsll.exe
Token: SeDebugPrivilege	468	csrsll.exe
Token: SeDebugPrivilege	468	csrsll.exe
Token: SeDebugPrivilege	468	csrsll.exe
Token: SeDebugPrivilege	468	csrsll.exe
Token: SeDebugPrivilege	468	csrsll.exe
Token: SeDebugPrivilege	468	csrsll.exe
Token: SeDebugPrivilege	468	csrsll.exe
Token: SeDebugPrivilege	468	csrsll.exe
Token: SeDebugPrivilege	468	csrsll.exe
Token: SeDebugPrivilege	468	csrsll.exe
Token: SeDebugPrivilege	468	csrsll.exe
Token: SeDebugPrivilege	468	csrsll.exe
Token: SeDebugPrivilege	468	csrsll.exe
Token: SeDebugPrivilege	468	csrsll.exe
Token: SeDebugPrivilege	468	csrsll.exe
Token: SeDebugPrivilege	468	csrsll.exe
Token: SeDebugPrivilege	468	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3580	e02f555deed7b3c18e22979a79c7ef3b6e093fde56f0474955e4f75b2d1bfe45.exe
2100	e02f555deed7b3c18e22979a79c7ef3b6e093fde56f0474955e4f75b2d1bfe45.exe
4896	csrsll.exe
468	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 3580 wrote to memory of 2100	3580	e02f555deed7b3c18e22979a79c7ef3b6e093fde56f0474955e4f75b2d1bfe45.exe	86
PID 3580 wrote to memory of 2100	3580	e02f555deed7b3c18e22979a79c7ef3b6e093fde56f0474955e4f75b2d1bfe45.exe	86
PID 3580 wrote to memory of 2100	3580	e02f555deed7b3c18e22979a79c7ef3b6e093fde56f0474955e4f75b2d1bfe45.exe	86
PID 3580 wrote to memory of 2100	3580	e02f555deed7b3c18e22979a79c7ef3b6e093fde56f0474955e4f75b2d1bfe45.exe	86
PID 3580 wrote to memory of 2100	3580	e02f555deed7b3c18e22979a79c7ef3b6e093fde56f0474955e4f75b2d1bfe45.exe	86
PID 3580 wrote to memory of 2100	3580	e02f555deed7b3c18e22979a79c7ef3b6e093fde56f0474955e4f75b2d1bfe45.exe	86
PID 3580 wrote to memory of 2100	3580	e02f555deed7b3c18e22979a79c7ef3b6e093fde56f0474955e4f75b2d1bfe45.exe	86
PID 3580 wrote to memory of 2100	3580	e02f555deed7b3c18e22979a79c7ef3b6e093fde56f0474955e4f75b2d1bfe45.exe	86
PID 2100 wrote to memory of 1188	2100	e02f555deed7b3c18e22979a79c7ef3b6e093fde56f0474955e4f75b2d1bfe45.exe	87
PID 2100 wrote to memory of 1188	2100	e02f555deed7b3c18e22979a79c7ef3b6e093fde56f0474955e4f75b2d1bfe45.exe	87
PID 2100 wrote to memory of 1188	2100	e02f555deed7b3c18e22979a79c7ef3b6e093fde56f0474955e4f75b2d1bfe45.exe	87
PID 1188 wrote to memory of 2524	1188	cmd.exe	91
PID 1188 wrote to memory of 2524	1188	cmd.exe	91
PID 1188 wrote to memory of 2524	1188	cmd.exe	91
PID 2100 wrote to memory of 4896	2100	e02f555deed7b3c18e22979a79c7ef3b6e093fde56f0474955e4f75b2d1bfe45.exe	92
PID 2100 wrote to memory of 4896	2100	e02f555deed7b3c18e22979a79c7ef3b6e093fde56f0474955e4f75b2d1bfe45.exe	92
PID 2100 wrote to memory of 4896	2100	e02f555deed7b3c18e22979a79c7ef3b6e093fde56f0474955e4f75b2d1bfe45.exe	92
PID 4896 wrote to memory of 468	4896	csrsll.exe	100
PID 4896 wrote to memory of 468	4896	csrsll.exe	100
PID 4896 wrote to memory of 468	4896	csrsll.exe	100
PID 4896 wrote to memory of 468	4896	csrsll.exe	100
PID 4896 wrote to memory of 468	4896	csrsll.exe	100
PID 4896 wrote to memory of 468	4896	csrsll.exe	100
PID 4896 wrote to memory of 468	4896	csrsll.exe	100
PID 4896 wrote to memory of 468	4896	csrsll.exe	100
PID 4896 wrote to memory of 4844	4896	csrsll.exe	101
PID 4896 wrote to memory of 4844	4896	csrsll.exe	101
PID 4896 wrote to memory of 4844	4896	csrsll.exe	101
PID 4896 wrote to memory of 4844	4896	csrsll.exe	101
PID 4896 wrote to memory of 4844	4896	csrsll.exe	101
PID 4896 wrote to memory of 4844	4896	csrsll.exe	101
PID 4896 wrote to memory of 4844	4896	csrsll.exe	101
PID 4896 wrote to memory of 4844	4896	csrsll.exe	101

C:\Users\Admin\AppData\Local\Temp\e02f555deed7b3c18e22979a79c7ef3b6e093fde56f0474955e4f75b2d1bfe45.exe
"C:\Users\Admin\AppData\Local\Temp\e02f555deed7b3c18e22979a79c7ef3b6e093fde56f0474955e4f75b2d1bfe45.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3580
- C:\Users\Admin\AppData\Local\Temp\e02f555deed7b3c18e22979a79c7ef3b6e093fde56f0474955e4f75b2d1bfe45.exe
  "C:\Users\Admin\AppData\Local\Temp\e02f555deed7b3c18e22979a79c7ef3b6e093fde56f0474955e4f75b2d1bfe45.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2100
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\GHENF.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1188
  - - 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:2524
- - 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:4896
  - - 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:468
  - - 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:4844

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\GHENF.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
23eab9f367adbea19fe4a00d8f188783

SHA1
96fbbaf9e4576c31d403f792abd02242e31dc192

SHA256
464b9a817e4ed01d3536a9fba6038ac582eedeef59b72717fc63ec1740ab9748

SHA512
ccb0da3311024f98cf42b9864a9eaefe858eb83a1ca9e3c9f72f5db0f83e5a25b324aa430aec9c353fdf64f81a18c2501debf09424e6cbc08c100558a2f3e9b1

Download Submit
memory/468-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2100-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2100-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2100-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2100-39-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2100-57-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/2100-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3580-4-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3580-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3580-12-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3580-5-0x0000000002A40000-0x0000000002A42000-memory.dmp

Filesize
8KB

Download
memory/3580-6-0x0000000002A50000-0x0000000002A52000-memory.dmp

Filesize
8KB

Download
memory/3580-3-0x0000000002A20000-0x0000000002A22000-memory.dmp

Filesize
8KB

Download
memory/4844-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4844-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4844-58-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4844-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4844-46-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4844-62-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4896-53-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4896-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads