modiloader | d6f140dbc70955bdd9db84275d5678d2b07bf02f99cfa326496fcbabcb1949ed

Analysis

max time kernel
119s
max time network
119s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
31-12-2024 18:50

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General

Target

d6f140dbc70955bdd9db84275d5678d2b07bf02f99cfa326496fcbabcb1949ed.exe
Size

90KB
MD5

80fabcb62340d3db153ade1ab56bc600
SHA1

34ea1206885549e3aca3e354ec36b6e77b53c2f4
SHA256

d6f140dbc70955bdd9db84275d5678d2b07bf02f99cfa326496fcbabcb1949ed
SHA512

4ee882e5567c30622dbe32ed949296d39cef6f63e0781fc0a289529d2489d085472b35b83684a46a5c6eaadb88eff118e4cc00929dd128ea25fbb6d2679c5474
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDA:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3a

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/4856-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4856-52-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4856-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4856-61-0x0000000000400000-0x0000000000414000-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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	d6f140dbc70955bdd9db84275d5678d2b07bf02f99cfa326496fcbabcb1949ed.exe

Executes dropped EXE 3 IoCs

pid	Process
4896	csrsll.exe
216	csrsll.exe
4856	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 3748 set thread context of 1796	3748	d6f140dbc70955bdd9db84275d5678d2b07bf02f99cfa326496fcbabcb1949ed.exe	88
PID 4896 set thread context of 216	4896	csrsll.exe	101
PID 4896 set thread context of 4856	4896	csrsll.exe	102

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3748-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3748-4-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1796-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1796-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1796-11-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3748-15-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/files/0x0008000000023c98-29.dat	upx
behavioral2/memory/1796-39-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4896-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4896-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4856-45-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4856-50-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4856-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4856-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4856-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4896-57-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1796-59-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/216-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4856-61-0x0000000000400000-0x0000000000414000-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	d6f140dbc70955bdd9db84275d5678d2b07bf02f99cfa326496fcbabcb1949ed.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d6f140dbc70955bdd9db84275d5678d2b07bf02f99cfa326496fcbabcb1949ed.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe
Token: SeDebugPrivilege	216	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3748	d6f140dbc70955bdd9db84275d5678d2b07bf02f99cfa326496fcbabcb1949ed.exe
1796	d6f140dbc70955bdd9db84275d5678d2b07bf02f99cfa326496fcbabcb1949ed.exe
4896	csrsll.exe
216	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 3748 wrote to memory of 1796	3748	d6f140dbc70955bdd9db84275d5678d2b07bf02f99cfa326496fcbabcb1949ed.exe	88
PID 3748 wrote to memory of 1796	3748	d6f140dbc70955bdd9db84275d5678d2b07bf02f99cfa326496fcbabcb1949ed.exe	88
PID 3748 wrote to memory of 1796	3748	d6f140dbc70955bdd9db84275d5678d2b07bf02f99cfa326496fcbabcb1949ed.exe	88
PID 3748 wrote to memory of 1796	3748	d6f140dbc70955bdd9db84275d5678d2b07bf02f99cfa326496fcbabcb1949ed.exe	88
PID 3748 wrote to memory of 1796	3748	d6f140dbc70955bdd9db84275d5678d2b07bf02f99cfa326496fcbabcb1949ed.exe	88
PID 3748 wrote to memory of 1796	3748	d6f140dbc70955bdd9db84275d5678d2b07bf02f99cfa326496fcbabcb1949ed.exe	88
PID 3748 wrote to memory of 1796	3748	d6f140dbc70955bdd9db84275d5678d2b07bf02f99cfa326496fcbabcb1949ed.exe	88
PID 3748 wrote to memory of 1796	3748	d6f140dbc70955bdd9db84275d5678d2b07bf02f99cfa326496fcbabcb1949ed.exe	88
PID 1796 wrote to memory of 3196	1796	d6f140dbc70955bdd9db84275d5678d2b07bf02f99cfa326496fcbabcb1949ed.exe	91
PID 1796 wrote to memory of 3196	1796	d6f140dbc70955bdd9db84275d5678d2b07bf02f99cfa326496fcbabcb1949ed.exe	91
PID 1796 wrote to memory of 3196	1796	d6f140dbc70955bdd9db84275d5678d2b07bf02f99cfa326496fcbabcb1949ed.exe	91
PID 3196 wrote to memory of 4124	3196	cmd.exe	95
PID 3196 wrote to memory of 4124	3196	cmd.exe	95
PID 3196 wrote to memory of 4124	3196	cmd.exe	95
PID 1796 wrote to memory of 4896	1796	d6f140dbc70955bdd9db84275d5678d2b07bf02f99cfa326496fcbabcb1949ed.exe	96
PID 1796 wrote to memory of 4896	1796	d6f140dbc70955bdd9db84275d5678d2b07bf02f99cfa326496fcbabcb1949ed.exe	96
PID 1796 wrote to memory of 4896	1796	d6f140dbc70955bdd9db84275d5678d2b07bf02f99cfa326496fcbabcb1949ed.exe	96
PID 4896 wrote to memory of 216	4896	csrsll.exe	101
PID 4896 wrote to memory of 216	4896	csrsll.exe	101
PID 4896 wrote to memory of 216	4896	csrsll.exe	101
PID 4896 wrote to memory of 216	4896	csrsll.exe	101
PID 4896 wrote to memory of 216	4896	csrsll.exe	101
PID 4896 wrote to memory of 216	4896	csrsll.exe	101
PID 4896 wrote to memory of 216	4896	csrsll.exe	101
PID 4896 wrote to memory of 216	4896	csrsll.exe	101
PID 4896 wrote to memory of 4856	4896	csrsll.exe	102
PID 4896 wrote to memory of 4856	4896	csrsll.exe	102
PID 4896 wrote to memory of 4856	4896	csrsll.exe	102
PID 4896 wrote to memory of 4856	4896	csrsll.exe	102
PID 4896 wrote to memory of 4856	4896	csrsll.exe	102
PID 4896 wrote to memory of 4856	4896	csrsll.exe	102
PID 4896 wrote to memory of 4856	4896	csrsll.exe	102
PID 4896 wrote to memory of 4856	4896	csrsll.exe	102

C:\Users\Admin\AppData\Local\Temp\d6f140dbc70955bdd9db84275d5678d2b07bf02f99cfa326496fcbabcb1949ed.exe
"C:\Users\Admin\AppData\Local\Temp\d6f140dbc70955bdd9db84275d5678d2b07bf02f99cfa326496fcbabcb1949ed.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3748
- C:\Users\Admin\AppData\Local\Temp\d6f140dbc70955bdd9db84275d5678d2b07bf02f99cfa326496fcbabcb1949ed.exe
  "C:\Users\Admin\AppData\Local\Temp\d6f140dbc70955bdd9db84275d5678d2b07bf02f99cfa326496fcbabcb1949ed.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1796
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\NAEAO.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3196
  - - 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:4124
- - 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:216
  - - 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:4856

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\NAEAO.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
dba1918293550652e385d3a0972d3959

SHA1
378e433656f1865d96b28eed85637ca6a77943c1

SHA256
bcaeaed90ab4149e926a65e2ff3ff5734f3de0bdd298154a9f4352855b4afb83

SHA512
252ca1df459485bbad8bdef70d3a00c64d107fecbe4ffbf93622a1e0ec9f6e3ebce9c0fdb3e2b9ca70dff68b68e0fb5c733f46ae813cda8bed08f229b33ea29f

Download Submit
memory/216-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1796-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1796-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1796-11-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1796-39-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1796-59-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3748-5-0x0000000002520000-0x0000000002522000-memory.dmp

Filesize
8KB

Download
memory/3748-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3748-15-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3748-6-0x0000000002530000-0x0000000002532000-memory.dmp

Filesize
8KB

Download
memory/3748-4-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3748-3-0x0000000002400000-0x0000000002402000-memory.dmp

Filesize
8KB

Download
memory/4856-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4856-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4856-45-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4856-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4856-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4856-61-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4896-57-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

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

Filesize
332KB

Download
memory/4896-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads