modiloader | 24b7971be9dc2e53e1e7dc07a59ba91a86642300252cd5e3284a116f79e6b32f

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
14-01-2025 21:22

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General

Target

24b7971be9dc2e53e1e7dc07a59ba91a86642300252cd5e3284a116f79e6b32f.exe
Size

90KB
MD5

73b612ac28328350bd873047482e2ee7
SHA1

b1fee4ccd17a774114b4378e051b0dfe9754455a
SHA256

24b7971be9dc2e53e1e7dc07a59ba91a86642300252cd5e3284a116f79e6b32f
SHA512

0d578f501be0dc55a380359d4695f39893d176adb43019ef6610f2794e6aa28a895473063835b9e343805d2b4054e9b1354738994296e7df54c909c0d1727b47
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDC:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3k

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/3448-50-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3448-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3448-51-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3448-61-0x0000000000400000-0x0000000000414000-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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	24b7971be9dc2e53e1e7dc07a59ba91a86642300252cd5e3284a116f79e6b32f.exe

Executes dropped EXE 3 IoCs

pid	Process
4480	csrsll.exe
60	csrsll.exe
3448	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-1-5-21-2878641211-696417878-3864914810-1000\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 1112 set thread context of 4572	1112	24b7971be9dc2e53e1e7dc07a59ba91a86642300252cd5e3284a116f79e6b32f.exe	83
PID 4480 set thread context of 60	4480	csrsll.exe	98
PID 4480 set thread context of 3448	4480	csrsll.exe	99

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1112-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1112-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4572-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4572-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1112-11-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4572-12-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000a000000023ba4-28.dat	upx
behavioral2/memory/4572-38-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4480-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3448-50-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3448-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3448-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3448-49-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3448-44-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4480-39-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4480-56-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4572-59-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/60-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3448-61-0x0000000000400000-0x0000000000414000-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	24b7971be9dc2e53e1e7dc07a59ba91a86642300252cd5e3284a116f79e6b32f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	24b7971be9dc2e53e1e7dc07a59ba91a86642300252cd5e3284a116f79e6b32f.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	60	csrsll.exe
Token: SeDebugPrivilege	60	csrsll.exe
Token: SeDebugPrivilege	60	csrsll.exe
Token: SeDebugPrivilege	60	csrsll.exe
Token: SeDebugPrivilege	60	csrsll.exe
Token: SeDebugPrivilege	60	csrsll.exe
Token: SeDebugPrivilege	60	csrsll.exe
Token: SeDebugPrivilege	60	csrsll.exe
Token: SeDebugPrivilege	60	csrsll.exe
Token: SeDebugPrivilege	60	csrsll.exe
Token: SeDebugPrivilege	60	csrsll.exe
Token: SeDebugPrivilege	60	csrsll.exe
Token: SeDebugPrivilege	60	csrsll.exe
Token: SeDebugPrivilege	60	csrsll.exe
Token: SeDebugPrivilege	60	csrsll.exe
Token: SeDebugPrivilege	60	csrsll.exe
Token: SeDebugPrivilege	60	csrsll.exe
Token: SeDebugPrivilege	60	csrsll.exe
Token: SeDebugPrivilege	60	csrsll.exe
Token: SeDebugPrivilege	60	csrsll.exe
Token: SeDebugPrivilege	60	csrsll.exe
Token: SeDebugPrivilege	60	csrsll.exe
Token: SeDebugPrivilege	60	csrsll.exe
Token: SeDebugPrivilege	60	csrsll.exe
Token: SeDebugPrivilege	60	csrsll.exe
Token: SeDebugPrivilege	60	csrsll.exe
Token: SeDebugPrivilege	60	csrsll.exe
Token: SeDebugPrivilege	60	csrsll.exe
Token: SeDebugPrivilege	60	csrsll.exe
Token: SeDebugPrivilege	60	csrsll.exe
Token: SeDebugPrivilege	60	csrsll.exe
Token: SeDebugPrivilege	60	csrsll.exe
Token: SeDebugPrivilege	60	csrsll.exe
Token: SeDebugPrivilege	60	csrsll.exe
Token: SeDebugPrivilege	60	csrsll.exe
Token: SeDebugPrivilege	60	csrsll.exe
Token: SeDebugPrivilege	60	csrsll.exe
Token: SeDebugPrivilege	60	csrsll.exe
Token: SeDebugPrivilege	60	csrsll.exe
Token: SeDebugPrivilege	60	csrsll.exe
Token: SeDebugPrivilege	60	csrsll.exe
Token: SeDebugPrivilege	60	csrsll.exe
Token: SeDebugPrivilege	60	csrsll.exe
Token: SeDebugPrivilege	60	csrsll.exe
Token: SeDebugPrivilege	60	csrsll.exe
Token: SeDebugPrivilege	60	csrsll.exe
Token: SeDebugPrivilege	60	csrsll.exe
Token: SeDebugPrivilege	60	csrsll.exe
Token: SeDebugPrivilege	60	csrsll.exe
Token: SeDebugPrivilege	60	csrsll.exe
Token: SeDebugPrivilege	60	csrsll.exe
Token: SeDebugPrivilege	60	csrsll.exe
Token: SeDebugPrivilege	60	csrsll.exe
Token: SeDebugPrivilege	60	csrsll.exe
Token: SeDebugPrivilege	60	csrsll.exe
Token: SeDebugPrivilege	60	csrsll.exe
Token: SeDebugPrivilege	60	csrsll.exe
Token: SeDebugPrivilege	60	csrsll.exe
Token: SeDebugPrivilege	60	csrsll.exe
Token: SeDebugPrivilege	60	csrsll.exe
Token: SeDebugPrivilege	60	csrsll.exe
Token: SeDebugPrivilege	60	csrsll.exe
Token: SeDebugPrivilege	60	csrsll.exe
Token: SeDebugPrivilege	60	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1112	24b7971be9dc2e53e1e7dc07a59ba91a86642300252cd5e3284a116f79e6b32f.exe
4572	24b7971be9dc2e53e1e7dc07a59ba91a86642300252cd5e3284a116f79e6b32f.exe
4480	csrsll.exe
60	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 1112 wrote to memory of 4572	1112	24b7971be9dc2e53e1e7dc07a59ba91a86642300252cd5e3284a116f79e6b32f.exe	83
PID 1112 wrote to memory of 4572	1112	24b7971be9dc2e53e1e7dc07a59ba91a86642300252cd5e3284a116f79e6b32f.exe	83
PID 1112 wrote to memory of 4572	1112	24b7971be9dc2e53e1e7dc07a59ba91a86642300252cd5e3284a116f79e6b32f.exe	83
PID 1112 wrote to memory of 4572	1112	24b7971be9dc2e53e1e7dc07a59ba91a86642300252cd5e3284a116f79e6b32f.exe	83
PID 1112 wrote to memory of 4572	1112	24b7971be9dc2e53e1e7dc07a59ba91a86642300252cd5e3284a116f79e6b32f.exe	83
PID 1112 wrote to memory of 4572	1112	24b7971be9dc2e53e1e7dc07a59ba91a86642300252cd5e3284a116f79e6b32f.exe	83
PID 1112 wrote to memory of 4572	1112	24b7971be9dc2e53e1e7dc07a59ba91a86642300252cd5e3284a116f79e6b32f.exe	83
PID 1112 wrote to memory of 4572	1112	24b7971be9dc2e53e1e7dc07a59ba91a86642300252cd5e3284a116f79e6b32f.exe	83
PID 4572 wrote to memory of 1320	4572	24b7971be9dc2e53e1e7dc07a59ba91a86642300252cd5e3284a116f79e6b32f.exe	84
PID 4572 wrote to memory of 1320	4572	24b7971be9dc2e53e1e7dc07a59ba91a86642300252cd5e3284a116f79e6b32f.exe	84
PID 4572 wrote to memory of 1320	4572	24b7971be9dc2e53e1e7dc07a59ba91a86642300252cd5e3284a116f79e6b32f.exe	84
PID 1320 wrote to memory of 4988	1320	cmd.exe	88
PID 1320 wrote to memory of 4988	1320	cmd.exe	88
PID 1320 wrote to memory of 4988	1320	cmd.exe	88
PID 4572 wrote to memory of 4480	4572	24b7971be9dc2e53e1e7dc07a59ba91a86642300252cd5e3284a116f79e6b32f.exe	90
PID 4572 wrote to memory of 4480	4572	24b7971be9dc2e53e1e7dc07a59ba91a86642300252cd5e3284a116f79e6b32f.exe	90
PID 4572 wrote to memory of 4480	4572	24b7971be9dc2e53e1e7dc07a59ba91a86642300252cd5e3284a116f79e6b32f.exe	90
PID 4480 wrote to memory of 60	4480	csrsll.exe	98
PID 4480 wrote to memory of 60	4480	csrsll.exe	98
PID 4480 wrote to memory of 60	4480	csrsll.exe	98
PID 4480 wrote to memory of 60	4480	csrsll.exe	98
PID 4480 wrote to memory of 60	4480	csrsll.exe	98
PID 4480 wrote to memory of 60	4480	csrsll.exe	98
PID 4480 wrote to memory of 60	4480	csrsll.exe	98
PID 4480 wrote to memory of 60	4480	csrsll.exe	98
PID 4480 wrote to memory of 3448	4480	csrsll.exe	99
PID 4480 wrote to memory of 3448	4480	csrsll.exe	99
PID 4480 wrote to memory of 3448	4480	csrsll.exe	99
PID 4480 wrote to memory of 3448	4480	csrsll.exe	99
PID 4480 wrote to memory of 3448	4480	csrsll.exe	99
PID 4480 wrote to memory of 3448	4480	csrsll.exe	99
PID 4480 wrote to memory of 3448	4480	csrsll.exe	99
PID 4480 wrote to memory of 3448	4480	csrsll.exe	99

C:\Users\Admin\AppData\Local\Temp\24b7971be9dc2e53e1e7dc07a59ba91a86642300252cd5e3284a116f79e6b32f.exe
"C:\Users\Admin\AppData\Local\Temp\24b7971be9dc2e53e1e7dc07a59ba91a86642300252cd5e3284a116f79e6b32f.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1112
- C:\Users\Admin\AppData\Local\Temp\24b7971be9dc2e53e1e7dc07a59ba91a86642300252cd5e3284a116f79e6b32f.exe
  "C:\Users\Admin\AppData\Local\Temp\24b7971be9dc2e53e1e7dc07a59ba91a86642300252cd5e3284a116f79e6b32f.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4572
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\UGOGX.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1320
  - - 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:4988
- - 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:4480
  - - 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:60
  - - 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:3448

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\UGOGX.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
7dc9c3314bf990f8ad344ce2c6e133cc

SHA1
1da79ebc6d5db82d5d19184993d3d5895ed63f97

SHA256
b4d650f45c8e6621312f3c46360e515529078370315274b1ce5d2f6bee5ffc4b

SHA512
ac419560c3524022170ba86856dc456729b6e3a465e2b3bce183394e7fb8536b8770a0ca8970991fcf5337a80803425fbabf8deeb401893b812d3eba9872d959

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

Filesize
44KB

Download
memory/1112-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1112-6-0x0000000002930000-0x0000000002932000-memory.dmp

Filesize
8KB

Download
memory/1112-11-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1112-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1112-4-0x0000000002910000-0x0000000002912000-memory.dmp

Filesize
8KB

Download
memory/1112-3-0x0000000002900000-0x0000000002902000-memory.dmp

Filesize
8KB

Download
memory/3448-61-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3448-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3448-44-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3448-49-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3448-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3448-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4480-39-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4480-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4480-56-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4572-38-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4572-12-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4572-59-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4572-57-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/4572-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4572-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads