modiloader | a860392ab6ecb97019a62a7b3b8add222ae7ff0a22160ab47d5ad909fd992495

Analysis

max time kernel
118s
max time network
119s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
24-09-2024 22:26

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General

Target

a860392ab6ecb97019a62a7b3b8add222ae7ff0a22160ab47d5ad909fd992495N.exe
Size

90KB
MD5

c90e746d1b17ea06a6626a7997b91f20
SHA1

58efe199586242c05d660518de74cadb76afde85
SHA256

a860392ab6ecb97019a62a7b3b8add222ae7ff0a22160ab47d5ad909fd992495
SHA512

87340c1da4431d0c607e467f5fdd3e252484ea059e6b3d9f9d3bc5de718f04e95555ff8931ecba173e4f5928561da9dac3b39110c7f620b8c0ccbf802364a7d6
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 Second Stage 4 IoCs

resource	yara_rule
behavioral2/memory/1896-52-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1896-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1896-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1896-62-0x0000000000400000-0x0000000000414000-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-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation	a860392ab6ecb97019a62a7b3b8add222ae7ff0a22160ab47d5ad909fd992495N.exe

Executes dropped EXE 3 IoCs

pid	Process
4656	csrsll.exe
3284	csrsll.exe
1896	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-1-5-21-786284298-625481688-3210388970-1000\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 4068 set thread context of 3096	4068	a860392ab6ecb97019a62a7b3b8add222ae7ff0a22160ab47d5ad909fd992495N.exe	82
PID 4656 set thread context of 3284	4656	csrsll.exe	95
PID 4656 set thread context of 1896	4656	csrsll.exe	96

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4068-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4068-4-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3096-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3096-10-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3096-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4068-12-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/files/0x00080000000234cc-28.dat	upx
behavioral2/memory/4656-35-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3096-39-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4656-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1896-44-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1896-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1896-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1896-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1896-50-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4656-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4656-56-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3096-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3284-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1896-62-0x0000000000400000-0x0000000000414000-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	a860392ab6ecb97019a62a7b3b8add222ae7ff0a22160ab47d5ad909fd992495N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a860392ab6ecb97019a62a7b3b8add222ae7ff0a22160ab47d5ad909fd992495N.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	3284	csrsll.exe
Token: SeDebugPrivilege	3284	csrsll.exe
Token: SeDebugPrivilege	3284	csrsll.exe
Token: SeDebugPrivilege	3284	csrsll.exe
Token: SeDebugPrivilege	3284	csrsll.exe
Token: SeDebugPrivilege	3284	csrsll.exe
Token: SeDebugPrivilege	3284	csrsll.exe
Token: SeDebugPrivilege	3284	csrsll.exe
Token: SeDebugPrivilege	3284	csrsll.exe
Token: SeDebugPrivilege	3284	csrsll.exe
Token: SeDebugPrivilege	3284	csrsll.exe
Token: SeDebugPrivilege	3284	csrsll.exe
Token: SeDebugPrivilege	3284	csrsll.exe
Token: SeDebugPrivilege	3284	csrsll.exe
Token: SeDebugPrivilege	3284	csrsll.exe
Token: SeDebugPrivilege	3284	csrsll.exe
Token: SeDebugPrivilege	3284	csrsll.exe
Token: SeDebugPrivilege	3284	csrsll.exe
Token: SeDebugPrivilege	3284	csrsll.exe
Token: SeDebugPrivilege	3284	csrsll.exe
Token: SeDebugPrivilege	3284	csrsll.exe
Token: SeDebugPrivilege	3284	csrsll.exe
Token: SeDebugPrivilege	3284	csrsll.exe
Token: SeDebugPrivilege	3284	csrsll.exe
Token: SeDebugPrivilege	3284	csrsll.exe
Token: SeDebugPrivilege	3284	csrsll.exe
Token: SeDebugPrivilege	3284	csrsll.exe
Token: SeDebugPrivilege	3284	csrsll.exe
Token: SeDebugPrivilege	3284	csrsll.exe
Token: SeDebugPrivilege	3284	csrsll.exe
Token: SeDebugPrivilege	3284	csrsll.exe
Token: SeDebugPrivilege	3284	csrsll.exe
Token: SeDebugPrivilege	3284	csrsll.exe
Token: SeDebugPrivilege	3284	csrsll.exe
Token: SeDebugPrivilege	3284	csrsll.exe
Token: SeDebugPrivilege	3284	csrsll.exe
Token: SeDebugPrivilege	3284	csrsll.exe
Token: SeDebugPrivilege	3284	csrsll.exe
Token: SeDebugPrivilege	3284	csrsll.exe
Token: SeDebugPrivilege	3284	csrsll.exe
Token: SeDebugPrivilege	3284	csrsll.exe
Token: SeDebugPrivilege	3284	csrsll.exe
Token: SeDebugPrivilege	3284	csrsll.exe
Token: SeDebugPrivilege	3284	csrsll.exe
Token: SeDebugPrivilege	3284	csrsll.exe
Token: SeDebugPrivilege	3284	csrsll.exe
Token: SeDebugPrivilege	3284	csrsll.exe
Token: SeDebugPrivilege	3284	csrsll.exe
Token: SeDebugPrivilege	3284	csrsll.exe
Token: SeDebugPrivilege	3284	csrsll.exe
Token: SeDebugPrivilege	3284	csrsll.exe
Token: SeDebugPrivilege	3284	csrsll.exe
Token: SeDebugPrivilege	3284	csrsll.exe
Token: SeDebugPrivilege	3284	csrsll.exe
Token: SeDebugPrivilege	3284	csrsll.exe
Token: SeDebugPrivilege	3284	csrsll.exe
Token: SeDebugPrivilege	3284	csrsll.exe
Token: SeDebugPrivilege	3284	csrsll.exe
Token: SeDebugPrivilege	3284	csrsll.exe
Token: SeDebugPrivilege	3284	csrsll.exe
Token: SeDebugPrivilege	3284	csrsll.exe
Token: SeDebugPrivilege	3284	csrsll.exe
Token: SeDebugPrivilege	3284	csrsll.exe
Token: SeDebugPrivilege	3284	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4068	a860392ab6ecb97019a62a7b3b8add222ae7ff0a22160ab47d5ad909fd992495N.exe
3096	a860392ab6ecb97019a62a7b3b8add222ae7ff0a22160ab47d5ad909fd992495N.exe
4656	csrsll.exe
3284	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 4068 wrote to memory of 3096	4068	a860392ab6ecb97019a62a7b3b8add222ae7ff0a22160ab47d5ad909fd992495N.exe	82
PID 4068 wrote to memory of 3096	4068	a860392ab6ecb97019a62a7b3b8add222ae7ff0a22160ab47d5ad909fd992495N.exe	82
PID 4068 wrote to memory of 3096	4068	a860392ab6ecb97019a62a7b3b8add222ae7ff0a22160ab47d5ad909fd992495N.exe	82
PID 4068 wrote to memory of 3096	4068	a860392ab6ecb97019a62a7b3b8add222ae7ff0a22160ab47d5ad909fd992495N.exe	82
PID 4068 wrote to memory of 3096	4068	a860392ab6ecb97019a62a7b3b8add222ae7ff0a22160ab47d5ad909fd992495N.exe	82
PID 4068 wrote to memory of 3096	4068	a860392ab6ecb97019a62a7b3b8add222ae7ff0a22160ab47d5ad909fd992495N.exe	82
PID 4068 wrote to memory of 3096	4068	a860392ab6ecb97019a62a7b3b8add222ae7ff0a22160ab47d5ad909fd992495N.exe	82
PID 4068 wrote to memory of 3096	4068	a860392ab6ecb97019a62a7b3b8add222ae7ff0a22160ab47d5ad909fd992495N.exe	82
PID 3096 wrote to memory of 4248	3096	a860392ab6ecb97019a62a7b3b8add222ae7ff0a22160ab47d5ad909fd992495N.exe	86
PID 3096 wrote to memory of 4248	3096	a860392ab6ecb97019a62a7b3b8add222ae7ff0a22160ab47d5ad909fd992495N.exe	86
PID 3096 wrote to memory of 4248	3096	a860392ab6ecb97019a62a7b3b8add222ae7ff0a22160ab47d5ad909fd992495N.exe	86
PID 4248 wrote to memory of 404	4248	cmd.exe	90
PID 4248 wrote to memory of 404	4248	cmd.exe	90
PID 4248 wrote to memory of 404	4248	cmd.exe	90
PID 3096 wrote to memory of 4656	3096	a860392ab6ecb97019a62a7b3b8add222ae7ff0a22160ab47d5ad909fd992495N.exe	91
PID 3096 wrote to memory of 4656	3096	a860392ab6ecb97019a62a7b3b8add222ae7ff0a22160ab47d5ad909fd992495N.exe	91
PID 3096 wrote to memory of 4656	3096	a860392ab6ecb97019a62a7b3b8add222ae7ff0a22160ab47d5ad909fd992495N.exe	91
PID 4656 wrote to memory of 3284	4656	csrsll.exe	95
PID 4656 wrote to memory of 3284	4656	csrsll.exe	95
PID 4656 wrote to memory of 3284	4656	csrsll.exe	95
PID 4656 wrote to memory of 3284	4656	csrsll.exe	95
PID 4656 wrote to memory of 3284	4656	csrsll.exe	95
PID 4656 wrote to memory of 3284	4656	csrsll.exe	95
PID 4656 wrote to memory of 3284	4656	csrsll.exe	95
PID 4656 wrote to memory of 3284	4656	csrsll.exe	95
PID 4656 wrote to memory of 1896	4656	csrsll.exe	96
PID 4656 wrote to memory of 1896	4656	csrsll.exe	96
PID 4656 wrote to memory of 1896	4656	csrsll.exe	96
PID 4656 wrote to memory of 1896	4656	csrsll.exe	96
PID 4656 wrote to memory of 1896	4656	csrsll.exe	96
PID 4656 wrote to memory of 1896	4656	csrsll.exe	96
PID 4656 wrote to memory of 1896	4656	csrsll.exe	96
PID 4656 wrote to memory of 1896	4656	csrsll.exe	96

C:\Users\Admin\AppData\Local\Temp\a860392ab6ecb97019a62a7b3b8add222ae7ff0a22160ab47d5ad909fd992495N.exe
"C:\Users\Admin\AppData\Local\Temp\a860392ab6ecb97019a62a7b3b8add222ae7ff0a22160ab47d5ad909fd992495N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4068
- C:\Users\Admin\AppData\Local\Temp\a860392ab6ecb97019a62a7b3b8add222ae7ff0a22160ab47d5ad909fd992495N.exe
  "C:\Users\Admin\AppData\Local\Temp\a860392ab6ecb97019a62a7b3b8add222ae7ff0a22160ab47d5ad909fd992495N.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3096
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\VIKFD.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4248
  - - 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:404
- - 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:4656
  - - 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:3284
  - - 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:1896

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

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Downloads

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

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
4a85d3db655e82d00fd77610614b6456

SHA1
0d53627e1b9ebc1d409c220e78083e15a237a65e

SHA256
aab6a27ffbf619cb24131a301dee36e039d1d581c2955a20d1333d140769cda0

SHA512
fd9cc7e026c50ad63178fada399bd885c996a8f135a41fd70bd8bd24f566015d047f266a1ba90ac6ac80ada78e1962564e4997b8344c5196c772a40d85584752

Download Submit
memory/1896-62-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1896-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1896-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1896-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1896-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1896-44-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3096-10-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3096-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3096-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3096-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3096-39-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3284-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4068-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4068-12-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4068-5-0x0000000002B80000-0x0000000002B82000-memory.dmp

Filesize
8KB

Download
memory/4068-6-0x0000000002B90000-0x0000000002B92000-memory.dmp

Filesize
8KB

Download
memory/4068-4-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4068-3-0x0000000002B60000-0x0000000002B62000-memory.dmp

Filesize
8KB

Download
memory/4656-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4656-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4656-56-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4656-35-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads