modiloader | 396f2cd68838736d064fcebeb364da46a30888e1726c29fc3306f4637cde1713

Analysis

max time kernel
119s
max time network
120s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
29/11/2024, 10:13

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General

Target

396f2cd68838736d064fcebeb364da46a30888e1726c29fc3306f4637cde1713N.exe
Size

90KB
MD5

2b55f4b6229a2601b59636ba95ef6110
SHA1

497f8ceab4329ed8e201f6040783bd8bae5352ba
SHA256

396f2cd68838736d064fcebeb364da46a30888e1726c29fc3306f4637cde1713
SHA512

529d0b641053a15051a41638dc4000e8e5c0b7db5aa1a9444a4283f53e3c111a9d3d56e54362b72bf784da4b39fd0228155057643f9165bcb30bad1b5d213d90
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDq:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3E

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/396-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/396-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/396-56-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/396-62-0x0000000000400000-0x0000000000414000-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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	396f2cd68838736d064fcebeb364da46a30888e1726c29fc3306f4637cde1713N.exe

Executes dropped EXE 3 IoCs

pid	Process
916	csrsll.exe
4448	csrsll.exe
396	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 5068 set thread context of 3652	5068	396f2cd68838736d064fcebeb364da46a30888e1726c29fc3306f4637cde1713N.exe	89
PID 916 set thread context of 4448	916	csrsll.exe	98
PID 916 set thread context of 396	916	csrsll.exe	99

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/5068-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/5068-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3652-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3652-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/5068-11-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3652-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0008000000023c7a-29.dat	upx
behavioral2/memory/3652-39-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/916-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/916-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/396-49-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/396-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/396-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/396-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/396-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/916-58-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3652-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4448-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/396-62-0x0000000000400000-0x0000000000414000-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	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	396f2cd68838736d064fcebeb364da46a30888e1726c29fc3306f4637cde1713N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	396f2cd68838736d064fcebeb364da46a30888e1726c29fc3306f4637cde1713N.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

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	4448	csrsll.exe
Token: SeDebugPrivilege	4448	csrsll.exe
Token: SeDebugPrivilege	4448	csrsll.exe
Token: SeDebugPrivilege	4448	csrsll.exe
Token: SeDebugPrivilege	4448	csrsll.exe
Token: SeDebugPrivilege	4448	csrsll.exe
Token: SeDebugPrivilege	4448	csrsll.exe
Token: SeDebugPrivilege	4448	csrsll.exe
Token: SeDebugPrivilege	4448	csrsll.exe
Token: SeDebugPrivilege	4448	csrsll.exe
Token: SeDebugPrivilege	4448	csrsll.exe
Token: SeDebugPrivilege	4448	csrsll.exe
Token: SeDebugPrivilege	4448	csrsll.exe
Token: SeDebugPrivilege	4448	csrsll.exe
Token: SeDebugPrivilege	4448	csrsll.exe
Token: SeDebugPrivilege	4448	csrsll.exe
Token: SeDebugPrivilege	4448	csrsll.exe
Token: SeDebugPrivilege	4448	csrsll.exe
Token: SeDebugPrivilege	4448	csrsll.exe
Token: SeDebugPrivilege	4448	csrsll.exe
Token: SeDebugPrivilege	4448	csrsll.exe
Token: SeDebugPrivilege	4448	csrsll.exe
Token: SeDebugPrivilege	4448	csrsll.exe
Token: SeDebugPrivilege	4448	csrsll.exe
Token: SeDebugPrivilege	4448	csrsll.exe
Token: SeDebugPrivilege	4448	csrsll.exe
Token: SeDebugPrivilege	4448	csrsll.exe
Token: SeDebugPrivilege	4448	csrsll.exe
Token: SeDebugPrivilege	4448	csrsll.exe
Token: SeDebugPrivilege	4448	csrsll.exe
Token: SeDebugPrivilege	4448	csrsll.exe
Token: SeDebugPrivilege	4448	csrsll.exe
Token: SeDebugPrivilege	4448	csrsll.exe
Token: SeDebugPrivilege	4448	csrsll.exe
Token: SeDebugPrivilege	4448	csrsll.exe
Token: SeDebugPrivilege	4448	csrsll.exe
Token: SeDebugPrivilege	4448	csrsll.exe
Token: SeDebugPrivilege	4448	csrsll.exe
Token: SeDebugPrivilege	4448	csrsll.exe
Token: SeDebugPrivilege	4448	csrsll.exe
Token: SeDebugPrivilege	4448	csrsll.exe
Token: SeDebugPrivilege	4448	csrsll.exe
Token: SeDebugPrivilege	4448	csrsll.exe
Token: SeDebugPrivilege	4448	csrsll.exe
Token: SeDebugPrivilege	4448	csrsll.exe
Token: SeDebugPrivilege	4448	csrsll.exe
Token: SeDebugPrivilege	4448	csrsll.exe
Token: SeDebugPrivilege	4448	csrsll.exe
Token: SeDebugPrivilege	4448	csrsll.exe
Token: SeDebugPrivilege	4448	csrsll.exe
Token: SeDebugPrivilege	4448	csrsll.exe
Token: SeDebugPrivilege	4448	csrsll.exe
Token: SeDebugPrivilege	4448	csrsll.exe
Token: SeDebugPrivilege	4448	csrsll.exe
Token: SeDebugPrivilege	4448	csrsll.exe
Token: SeDebugPrivilege	4448	csrsll.exe
Token: SeDebugPrivilege	4448	csrsll.exe
Token: SeDebugPrivilege	4448	csrsll.exe
Token: SeDebugPrivilege	4448	csrsll.exe
Token: SeDebugPrivilege	4448	csrsll.exe
Token: SeDebugPrivilege	4448	csrsll.exe
Token: SeDebugPrivilege	4448	csrsll.exe
Token: SeDebugPrivilege	4448	csrsll.exe
Token: SeDebugPrivilege	4448	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
5068	396f2cd68838736d064fcebeb364da46a30888e1726c29fc3306f4637cde1713N.exe
3652	396f2cd68838736d064fcebeb364da46a30888e1726c29fc3306f4637cde1713N.exe
916	csrsll.exe
4448	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 5068 wrote to memory of 3652	5068	396f2cd68838736d064fcebeb364da46a30888e1726c29fc3306f4637cde1713N.exe	89
PID 5068 wrote to memory of 3652	5068	396f2cd68838736d064fcebeb364da46a30888e1726c29fc3306f4637cde1713N.exe	89
PID 5068 wrote to memory of 3652	5068	396f2cd68838736d064fcebeb364da46a30888e1726c29fc3306f4637cde1713N.exe	89
PID 5068 wrote to memory of 3652	5068	396f2cd68838736d064fcebeb364da46a30888e1726c29fc3306f4637cde1713N.exe	89
PID 5068 wrote to memory of 3652	5068	396f2cd68838736d064fcebeb364da46a30888e1726c29fc3306f4637cde1713N.exe	89
PID 5068 wrote to memory of 3652	5068	396f2cd68838736d064fcebeb364da46a30888e1726c29fc3306f4637cde1713N.exe	89
PID 5068 wrote to memory of 3652	5068	396f2cd68838736d064fcebeb364da46a30888e1726c29fc3306f4637cde1713N.exe	89
PID 5068 wrote to memory of 3652	5068	396f2cd68838736d064fcebeb364da46a30888e1726c29fc3306f4637cde1713N.exe	89
PID 3652 wrote to memory of 2412	3652	396f2cd68838736d064fcebeb364da46a30888e1726c29fc3306f4637cde1713N.exe	91
PID 3652 wrote to memory of 2412	3652	396f2cd68838736d064fcebeb364da46a30888e1726c29fc3306f4637cde1713N.exe	91
PID 3652 wrote to memory of 2412	3652	396f2cd68838736d064fcebeb364da46a30888e1726c29fc3306f4637cde1713N.exe	91
PID 2412 wrote to memory of 1392	2412	cmd.exe	96
PID 2412 wrote to memory of 1392	2412	cmd.exe	96
PID 2412 wrote to memory of 1392	2412	cmd.exe	96
PID 3652 wrote to memory of 916	3652	396f2cd68838736d064fcebeb364da46a30888e1726c29fc3306f4637cde1713N.exe	97
PID 3652 wrote to memory of 916	3652	396f2cd68838736d064fcebeb364da46a30888e1726c29fc3306f4637cde1713N.exe	97
PID 3652 wrote to memory of 916	3652	396f2cd68838736d064fcebeb364da46a30888e1726c29fc3306f4637cde1713N.exe	97
PID 916 wrote to memory of 4448	916	csrsll.exe	98
PID 916 wrote to memory of 4448	916	csrsll.exe	98
PID 916 wrote to memory of 4448	916	csrsll.exe	98
PID 916 wrote to memory of 4448	916	csrsll.exe	98
PID 916 wrote to memory of 4448	916	csrsll.exe	98
PID 916 wrote to memory of 4448	916	csrsll.exe	98
PID 916 wrote to memory of 4448	916	csrsll.exe	98
PID 916 wrote to memory of 4448	916	csrsll.exe	98
PID 916 wrote to memory of 396	916	csrsll.exe	99
PID 916 wrote to memory of 396	916	csrsll.exe	99
PID 916 wrote to memory of 396	916	csrsll.exe	99
PID 916 wrote to memory of 396	916	csrsll.exe	99
PID 916 wrote to memory of 396	916	csrsll.exe	99
PID 916 wrote to memory of 396	916	csrsll.exe	99
PID 916 wrote to memory of 396	916	csrsll.exe	99
PID 916 wrote to memory of 396	916	csrsll.exe	99

C:\Users\Admin\AppData\Local\Temp\396f2cd68838736d064fcebeb364da46a30888e1726c29fc3306f4637cde1713N.exe
"C:\Users\Admin\AppData\Local\Temp\396f2cd68838736d064fcebeb364da46a30888e1726c29fc3306f4637cde1713N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5068
- C:\Users\Admin\AppData\Local\Temp\396f2cd68838736d064fcebeb364da46a30888e1726c29fc3306f4637cde1713N.exe
  "C:\Users\Admin\AppData\Local\Temp\396f2cd68838736d064fcebeb364da46a30888e1726c29fc3306f4637cde1713N.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3652
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\QNMQD.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2412
  - - 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:1392
- - 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:916
  - - 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:4448
  - - 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:396

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\QNMQD.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
ea9c24bc3fd87ffce18fdbe036c701c4

SHA1
4c7e0c57e4d14944da7c6e2da980ffb095804fa2

SHA256
83505e32b52309939d00bd420faaf1d47b4ef344a3645adea74ac1f4dd53ac73

SHA512
88a7e8a3cac99a4acf4b821f6c412e56555602063fa675ee0573c64a577fcf1b09a459d66bafb8ad26b99314cd91d4986118afa464d8c283b7b56c1f40bac532

Download Submit
memory/396-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/396-49-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/396-62-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/396-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/396-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/396-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/916-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/916-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/916-58-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3652-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3652-39-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3652-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3652-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3652-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4448-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/5068-6-0x0000000002340000-0x0000000002342000-memory.dmp

Filesize
8KB

Download
memory/5068-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/5068-11-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/5068-4-0x0000000002310000-0x0000000002312000-memory.dmp

Filesize
8KB

Download
memory/5068-3-0x00000000022F0000-0x00000000022F2000-memory.dmp

Filesize
8KB

Download
memory/5068-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads