modiloader | e5148e607ebea1f2ec83581e7db8f7237e586e2c8e62fc717305b52ddb10801f

Analysis

max time kernel
120s
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
04-12-2024 06:50

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General

Target

e5148e607ebea1f2ec83581e7db8f7237e586e2c8e62fc717305b52ddb10801f.exe
Size

90KB
MD5

60ae30e2e63ecf135bcb20ca066f9fd6
SHA1

66bc8140ec11eb4cd356d619fdc1f577c2304e65
SHA256

e5148e607ebea1f2ec83581e7db8f7237e586e2c8e62fc717305b52ddb10801f
SHA512

baaf654acb0a437febb9df5f779d52f78ee900b87d8cb5277118bdfd9459cda28a3c3d6d5273a182f5c5930667287e870213242f02a128cf6ccbaf3218047849
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDF: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/1416-52-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1416-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1416-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1416-63-0x0000000000400000-0x0000000000414000-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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	e5148e607ebea1f2ec83581e7db8f7237e586e2c8e62fc717305b52ddb10801f.exe

Executes dropped EXE 3 IoCs

pid	Process
2636	csrsll.exe
2736	csrsll.exe
1416	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-1-5-21-3350944739-639801879-157714471-1000\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 1400 set thread context of 1628	1400	e5148e607ebea1f2ec83581e7db8f7237e586e2c8e62fc717305b52ddb10801f.exe	84
PID 2636 set thread context of 2736	2636	csrsll.exe	98
PID 2636 set thread context of 1416	2636	csrsll.exe	99

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1400-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1400-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1628-8-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1628-10-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1628-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1400-14-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/files/0x0008000000023c86-30.dat	upx
behavioral2/memory/1628-40-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2636-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2636-42-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1416-45-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1416-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1416-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1416-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1416-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2636-58-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1628-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2736-62-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1416-63-0x0000000000400000-0x0000000000414000-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	e5148e607ebea1f2ec83581e7db8f7237e586e2c8e62fc717305b52ddb10801f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e5148e607ebea1f2ec83581e7db8f7237e586e2c8e62fc717305b52ddb10801f.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	2736	csrsll.exe
Token: SeDebugPrivilege	2736	csrsll.exe
Token: SeDebugPrivilege	2736	csrsll.exe
Token: SeDebugPrivilege	2736	csrsll.exe
Token: SeDebugPrivilege	2736	csrsll.exe
Token: SeDebugPrivilege	2736	csrsll.exe
Token: SeDebugPrivilege	2736	csrsll.exe
Token: SeDebugPrivilege	2736	csrsll.exe
Token: SeDebugPrivilege	2736	csrsll.exe
Token: SeDebugPrivilege	2736	csrsll.exe
Token: SeDebugPrivilege	2736	csrsll.exe
Token: SeDebugPrivilege	2736	csrsll.exe
Token: SeDebugPrivilege	2736	csrsll.exe
Token: SeDebugPrivilege	2736	csrsll.exe
Token: SeDebugPrivilege	2736	csrsll.exe
Token: SeDebugPrivilege	2736	csrsll.exe
Token: SeDebugPrivilege	2736	csrsll.exe
Token: SeDebugPrivilege	2736	csrsll.exe
Token: SeDebugPrivilege	2736	csrsll.exe
Token: SeDebugPrivilege	2736	csrsll.exe
Token: SeDebugPrivilege	2736	csrsll.exe
Token: SeDebugPrivilege	2736	csrsll.exe
Token: SeDebugPrivilege	2736	csrsll.exe
Token: SeDebugPrivilege	2736	csrsll.exe
Token: SeDebugPrivilege	2736	csrsll.exe
Token: SeDebugPrivilege	2736	csrsll.exe
Token: SeDebugPrivilege	2736	csrsll.exe
Token: SeDebugPrivilege	2736	csrsll.exe
Token: SeDebugPrivilege	2736	csrsll.exe
Token: SeDebugPrivilege	2736	csrsll.exe
Token: SeDebugPrivilege	2736	csrsll.exe
Token: SeDebugPrivilege	2736	csrsll.exe
Token: SeDebugPrivilege	2736	csrsll.exe
Token: SeDebugPrivilege	2736	csrsll.exe
Token: SeDebugPrivilege	2736	csrsll.exe
Token: SeDebugPrivilege	2736	csrsll.exe
Token: SeDebugPrivilege	2736	csrsll.exe
Token: SeDebugPrivilege	2736	csrsll.exe
Token: SeDebugPrivilege	2736	csrsll.exe
Token: SeDebugPrivilege	2736	csrsll.exe
Token: SeDebugPrivilege	2736	csrsll.exe
Token: SeDebugPrivilege	2736	csrsll.exe
Token: SeDebugPrivilege	2736	csrsll.exe
Token: SeDebugPrivilege	2736	csrsll.exe
Token: SeDebugPrivilege	2736	csrsll.exe
Token: SeDebugPrivilege	2736	csrsll.exe
Token: SeDebugPrivilege	2736	csrsll.exe
Token: SeDebugPrivilege	2736	csrsll.exe
Token: SeDebugPrivilege	2736	csrsll.exe
Token: SeDebugPrivilege	2736	csrsll.exe
Token: SeDebugPrivilege	2736	csrsll.exe
Token: SeDebugPrivilege	2736	csrsll.exe
Token: SeDebugPrivilege	2736	csrsll.exe
Token: SeDebugPrivilege	2736	csrsll.exe
Token: SeDebugPrivilege	2736	csrsll.exe
Token: SeDebugPrivilege	2736	csrsll.exe
Token: SeDebugPrivilege	2736	csrsll.exe
Token: SeDebugPrivilege	2736	csrsll.exe
Token: SeDebugPrivilege	2736	csrsll.exe
Token: SeDebugPrivilege	2736	csrsll.exe
Token: SeDebugPrivilege	2736	csrsll.exe
Token: SeDebugPrivilege	2736	csrsll.exe
Token: SeDebugPrivilege	2736	csrsll.exe
Token: SeDebugPrivilege	2736	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1400	e5148e607ebea1f2ec83581e7db8f7237e586e2c8e62fc717305b52ddb10801f.exe
1628	e5148e607ebea1f2ec83581e7db8f7237e586e2c8e62fc717305b52ddb10801f.exe
2636	csrsll.exe
2736	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 1400 wrote to memory of 1628	1400	e5148e607ebea1f2ec83581e7db8f7237e586e2c8e62fc717305b52ddb10801f.exe	84
PID 1400 wrote to memory of 1628	1400	e5148e607ebea1f2ec83581e7db8f7237e586e2c8e62fc717305b52ddb10801f.exe	84
PID 1400 wrote to memory of 1628	1400	e5148e607ebea1f2ec83581e7db8f7237e586e2c8e62fc717305b52ddb10801f.exe	84
PID 1400 wrote to memory of 1628	1400	e5148e607ebea1f2ec83581e7db8f7237e586e2c8e62fc717305b52ddb10801f.exe	84
PID 1400 wrote to memory of 1628	1400	e5148e607ebea1f2ec83581e7db8f7237e586e2c8e62fc717305b52ddb10801f.exe	84
PID 1400 wrote to memory of 1628	1400	e5148e607ebea1f2ec83581e7db8f7237e586e2c8e62fc717305b52ddb10801f.exe	84
PID 1400 wrote to memory of 1628	1400	e5148e607ebea1f2ec83581e7db8f7237e586e2c8e62fc717305b52ddb10801f.exe	84
PID 1400 wrote to memory of 1628	1400	e5148e607ebea1f2ec83581e7db8f7237e586e2c8e62fc717305b52ddb10801f.exe	84
PID 1628 wrote to memory of 4564	1628	e5148e607ebea1f2ec83581e7db8f7237e586e2c8e62fc717305b52ddb10801f.exe	85
PID 1628 wrote to memory of 4564	1628	e5148e607ebea1f2ec83581e7db8f7237e586e2c8e62fc717305b52ddb10801f.exe	85
PID 1628 wrote to memory of 4564	1628	e5148e607ebea1f2ec83581e7db8f7237e586e2c8e62fc717305b52ddb10801f.exe	85
PID 4564 wrote to memory of 1124	4564	cmd.exe	89
PID 4564 wrote to memory of 1124	4564	cmd.exe	89
PID 4564 wrote to memory of 1124	4564	cmd.exe	89
PID 1628 wrote to memory of 2636	1628	e5148e607ebea1f2ec83581e7db8f7237e586e2c8e62fc717305b52ddb10801f.exe	90
PID 1628 wrote to memory of 2636	1628	e5148e607ebea1f2ec83581e7db8f7237e586e2c8e62fc717305b52ddb10801f.exe	90
PID 1628 wrote to memory of 2636	1628	e5148e607ebea1f2ec83581e7db8f7237e586e2c8e62fc717305b52ddb10801f.exe	90
PID 2636 wrote to memory of 2736	2636	csrsll.exe	98
PID 2636 wrote to memory of 2736	2636	csrsll.exe	98
PID 2636 wrote to memory of 2736	2636	csrsll.exe	98
PID 2636 wrote to memory of 2736	2636	csrsll.exe	98
PID 2636 wrote to memory of 2736	2636	csrsll.exe	98
PID 2636 wrote to memory of 2736	2636	csrsll.exe	98
PID 2636 wrote to memory of 2736	2636	csrsll.exe	98
PID 2636 wrote to memory of 2736	2636	csrsll.exe	98
PID 2636 wrote to memory of 1416	2636	csrsll.exe	99
PID 2636 wrote to memory of 1416	2636	csrsll.exe	99
PID 2636 wrote to memory of 1416	2636	csrsll.exe	99
PID 2636 wrote to memory of 1416	2636	csrsll.exe	99
PID 2636 wrote to memory of 1416	2636	csrsll.exe	99
PID 2636 wrote to memory of 1416	2636	csrsll.exe	99
PID 2636 wrote to memory of 1416	2636	csrsll.exe	99
PID 2636 wrote to memory of 1416	2636	csrsll.exe	99

C:\Users\Admin\AppData\Local\Temp\e5148e607ebea1f2ec83581e7db8f7237e586e2c8e62fc717305b52ddb10801f.exe
"C:\Users\Admin\AppData\Local\Temp\e5148e607ebea1f2ec83581e7db8f7237e586e2c8e62fc717305b52ddb10801f.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1400
- C:\Users\Admin\AppData\Local\Temp\e5148e607ebea1f2ec83581e7db8f7237e586e2c8e62fc717305b52ddb10801f.exe
  "C:\Users\Admin\AppData\Local\Temp\e5148e607ebea1f2ec83581e7db8f7237e586e2c8e62fc717305b52ddb10801f.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1628
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\CIARI.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4564
  - - 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:1124
- - 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:2636
  - - 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:2736
  - - 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:1416

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\CIARI.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
52ac02f67891f5e54672e5d584034cc7

SHA1
b1dfa603a83fcf84b3cceeeba061a2945be3d8d9

SHA256
aa33e047e27c41eb9c026bcb355e5d29632acfd50a0b15ffb3b941cc5e3e784d

SHA512
1d5aca0e49939c07f21789667997f9acd19404e7eecd9669bc3dc574d62d8d2b469b029ad9d1f929a0be3933a505e65bc7efbd445c11c9b138ee687d31cc470b

Download Submit
memory/1400-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1400-4-0x0000000002B70000-0x0000000002B72000-memory.dmp

Filesize
8KB

Download
memory/1400-7-0x0000000002CA0000-0x0000000002CA2000-memory.dmp

Filesize
8KB

Download
memory/1400-6-0x0000000002B80000-0x0000000002B82000-memory.dmp

Filesize
8KB

Download
memory/1400-14-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1400-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1400-3-0x0000000002B60000-0x0000000002B62000-memory.dmp

Filesize
8KB

Download
memory/1416-45-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1416-63-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1416-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1416-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1416-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1416-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1628-8-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1628-40-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1628-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1628-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1628-59-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/1628-10-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2636-42-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2636-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2636-58-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2736-62-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads