modiloader | 5bba4f36a776782bd711d2d38d5dcf97967375d752e2d69b8e46859ea4904c54

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
27/11/2024, 11:27

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General

Target

5bba4f36a776782bd711d2d38d5dcf97967375d752e2d69b8e46859ea4904c54.exe
Size

90KB
MD5

ca3c68c894ef8d46b4016164736c9b17
SHA1

c10a8e445c8767815d5f362f46873c2ef595d28e
SHA256

5bba4f36a776782bd711d2d38d5dcf97967375d752e2d69b8e46859ea4904c54
SHA512

285285c66bdeffd2aa3ad8d2c8172372556eba36d41c4ab0d780af091a7fa11b24e9f09400d816ffc4ff492a403b206c0f1c8d0705e9fa201e5f7b67fc9adfc1
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDm:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3s

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/1752-52-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1752-51-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1752-56-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1752-62-0x0000000000400000-0x0000000000414000-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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	5bba4f36a776782bd711d2d38d5dcf97967375d752e2d69b8e46859ea4904c54.exe

Executes dropped EXE 3 IoCs

pid	Process
1128	csrsll.exe
4352	csrsll.exe
1752	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-1-5-21-3756129449-3121373848-4276368241-1000\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 4264 set thread context of 3864	4264	5bba4f36a776782bd711d2d38d5dcf97967375d752e2d69b8e46859ea4904c54.exe	86
PID 1128 set thread context of 4352	1128	csrsll.exe	95
PID 1128 set thread context of 1752	1128	csrsll.exe	96

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4264-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4264-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3864-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3864-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4264-11-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3864-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000b000000023b65-29.dat	upx
behavioral2/memory/3864-39-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1128-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1128-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1752-50-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1752-45-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1752-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1752-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1128-55-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1752-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3864-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4352-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1752-62-0x0000000000400000-0x0000000000414000-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	5bba4f36a776782bd711d2d38d5dcf97967375d752e2d69b8e46859ea4904c54.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5bba4f36a776782bd711d2d38d5dcf97967375d752e2d69b8e46859ea4904c54.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

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	4352	csrsll.exe
Token: SeDebugPrivilege	4352	csrsll.exe
Token: SeDebugPrivilege	4352	csrsll.exe
Token: SeDebugPrivilege	4352	csrsll.exe
Token: SeDebugPrivilege	4352	csrsll.exe
Token: SeDebugPrivilege	4352	csrsll.exe
Token: SeDebugPrivilege	4352	csrsll.exe
Token: SeDebugPrivilege	4352	csrsll.exe
Token: SeDebugPrivilege	4352	csrsll.exe
Token: SeDebugPrivilege	4352	csrsll.exe
Token: SeDebugPrivilege	4352	csrsll.exe
Token: SeDebugPrivilege	4352	csrsll.exe
Token: SeDebugPrivilege	4352	csrsll.exe
Token: SeDebugPrivilege	4352	csrsll.exe
Token: SeDebugPrivilege	4352	csrsll.exe
Token: SeDebugPrivilege	4352	csrsll.exe
Token: SeDebugPrivilege	4352	csrsll.exe
Token: SeDebugPrivilege	4352	csrsll.exe
Token: SeDebugPrivilege	4352	csrsll.exe
Token: SeDebugPrivilege	4352	csrsll.exe
Token: SeDebugPrivilege	4352	csrsll.exe
Token: SeDebugPrivilege	4352	csrsll.exe
Token: SeDebugPrivilege	4352	csrsll.exe
Token: SeDebugPrivilege	4352	csrsll.exe
Token: SeDebugPrivilege	4352	csrsll.exe
Token: SeDebugPrivilege	4352	csrsll.exe
Token: SeDebugPrivilege	4352	csrsll.exe
Token: SeDebugPrivilege	4352	csrsll.exe
Token: SeDebugPrivilege	4352	csrsll.exe
Token: SeDebugPrivilege	4352	csrsll.exe
Token: SeDebugPrivilege	4352	csrsll.exe
Token: SeDebugPrivilege	4352	csrsll.exe
Token: SeDebugPrivilege	4352	csrsll.exe
Token: SeDebugPrivilege	4352	csrsll.exe
Token: SeDebugPrivilege	4352	csrsll.exe
Token: SeDebugPrivilege	4352	csrsll.exe
Token: SeDebugPrivilege	4352	csrsll.exe
Token: SeDebugPrivilege	4352	csrsll.exe
Token: SeDebugPrivilege	4352	csrsll.exe
Token: SeDebugPrivilege	4352	csrsll.exe
Token: SeDebugPrivilege	4352	csrsll.exe
Token: SeDebugPrivilege	4352	csrsll.exe
Token: SeDebugPrivilege	4352	csrsll.exe
Token: SeDebugPrivilege	4352	csrsll.exe
Token: SeDebugPrivilege	4352	csrsll.exe
Token: SeDebugPrivilege	4352	csrsll.exe
Token: SeDebugPrivilege	4352	csrsll.exe
Token: SeDebugPrivilege	4352	csrsll.exe
Token: SeDebugPrivilege	4352	csrsll.exe
Token: SeDebugPrivilege	4352	csrsll.exe
Token: SeDebugPrivilege	4352	csrsll.exe
Token: SeDebugPrivilege	4352	csrsll.exe
Token: SeDebugPrivilege	4352	csrsll.exe
Token: SeDebugPrivilege	4352	csrsll.exe
Token: SeDebugPrivilege	4352	csrsll.exe
Token: SeDebugPrivilege	4352	csrsll.exe
Token: SeDebugPrivilege	4352	csrsll.exe
Token: SeDebugPrivilege	4352	csrsll.exe
Token: SeDebugPrivilege	4352	csrsll.exe
Token: SeDebugPrivilege	4352	csrsll.exe
Token: SeDebugPrivilege	4352	csrsll.exe
Token: SeDebugPrivilege	4352	csrsll.exe
Token: SeDebugPrivilege	4352	csrsll.exe
Token: SeDebugPrivilege	4352	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4264	5bba4f36a776782bd711d2d38d5dcf97967375d752e2d69b8e46859ea4904c54.exe
3864	5bba4f36a776782bd711d2d38d5dcf97967375d752e2d69b8e46859ea4904c54.exe
1128	csrsll.exe
4352	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 4264 wrote to memory of 3864	4264	5bba4f36a776782bd711d2d38d5dcf97967375d752e2d69b8e46859ea4904c54.exe	86
PID 4264 wrote to memory of 3864	4264	5bba4f36a776782bd711d2d38d5dcf97967375d752e2d69b8e46859ea4904c54.exe	86
PID 4264 wrote to memory of 3864	4264	5bba4f36a776782bd711d2d38d5dcf97967375d752e2d69b8e46859ea4904c54.exe	86
PID 4264 wrote to memory of 3864	4264	5bba4f36a776782bd711d2d38d5dcf97967375d752e2d69b8e46859ea4904c54.exe	86
PID 4264 wrote to memory of 3864	4264	5bba4f36a776782bd711d2d38d5dcf97967375d752e2d69b8e46859ea4904c54.exe	86
PID 4264 wrote to memory of 3864	4264	5bba4f36a776782bd711d2d38d5dcf97967375d752e2d69b8e46859ea4904c54.exe	86
PID 4264 wrote to memory of 3864	4264	5bba4f36a776782bd711d2d38d5dcf97967375d752e2d69b8e46859ea4904c54.exe	86
PID 4264 wrote to memory of 3864	4264	5bba4f36a776782bd711d2d38d5dcf97967375d752e2d69b8e46859ea4904c54.exe	86
PID 3864 wrote to memory of 1392	3864	5bba4f36a776782bd711d2d38d5dcf97967375d752e2d69b8e46859ea4904c54.exe	88
PID 3864 wrote to memory of 1392	3864	5bba4f36a776782bd711d2d38d5dcf97967375d752e2d69b8e46859ea4904c54.exe	88
PID 3864 wrote to memory of 1392	3864	5bba4f36a776782bd711d2d38d5dcf97967375d752e2d69b8e46859ea4904c54.exe	88
PID 1392 wrote to memory of 2320	1392	cmd.exe	91
PID 1392 wrote to memory of 2320	1392	cmd.exe	91
PID 1392 wrote to memory of 2320	1392	cmd.exe	91
PID 3864 wrote to memory of 1128	3864	5bba4f36a776782bd711d2d38d5dcf97967375d752e2d69b8e46859ea4904c54.exe	92
PID 3864 wrote to memory of 1128	3864	5bba4f36a776782bd711d2d38d5dcf97967375d752e2d69b8e46859ea4904c54.exe	92
PID 3864 wrote to memory of 1128	3864	5bba4f36a776782bd711d2d38d5dcf97967375d752e2d69b8e46859ea4904c54.exe	92
PID 1128 wrote to memory of 4352	1128	csrsll.exe	95
PID 1128 wrote to memory of 4352	1128	csrsll.exe	95
PID 1128 wrote to memory of 4352	1128	csrsll.exe	95
PID 1128 wrote to memory of 4352	1128	csrsll.exe	95
PID 1128 wrote to memory of 4352	1128	csrsll.exe	95
PID 1128 wrote to memory of 4352	1128	csrsll.exe	95
PID 1128 wrote to memory of 4352	1128	csrsll.exe	95
PID 1128 wrote to memory of 4352	1128	csrsll.exe	95
PID 1128 wrote to memory of 1752	1128	csrsll.exe	96
PID 1128 wrote to memory of 1752	1128	csrsll.exe	96
PID 1128 wrote to memory of 1752	1128	csrsll.exe	96
PID 1128 wrote to memory of 1752	1128	csrsll.exe	96
PID 1128 wrote to memory of 1752	1128	csrsll.exe	96
PID 1128 wrote to memory of 1752	1128	csrsll.exe	96
PID 1128 wrote to memory of 1752	1128	csrsll.exe	96
PID 1128 wrote to memory of 1752	1128	csrsll.exe	96

C:\Users\Admin\AppData\Local\Temp\5bba4f36a776782bd711d2d38d5dcf97967375d752e2d69b8e46859ea4904c54.exe
"C:\Users\Admin\AppData\Local\Temp\5bba4f36a776782bd711d2d38d5dcf97967375d752e2d69b8e46859ea4904c54.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4264
- C:\Users\Admin\AppData\Local\Temp\5bba4f36a776782bd711d2d38d5dcf97967375d752e2d69b8e46859ea4904c54.exe
  "C:\Users\Admin\AppData\Local\Temp\5bba4f36a776782bd711d2d38d5dcf97967375d752e2d69b8e46859ea4904c54.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3864
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\AXFTS.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1392
  - - 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:2320
- - 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:1128
  - - 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:4352
  - - 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:1752

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\AXFTS.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
3901d4b572fabb5901bf54ff379fc41b

SHA1
5abed612541608ceeb319a87e808f683dbffa7ea

SHA256
bf2bc5abf57c8be7cabcfa9a8b00c59fbb9c0760614c578b7148fa7e4320ea64

SHA512
cf610ddba032738c5aca845c0f300d24f6915e1f00cd585dec110d36d4f29d80660a8afbd398fad3796b79ea9c3ed03ed0340c8586c1dc3640b0da948e47893d

Download Submit
memory/1128-55-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1128-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1128-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1752-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1752-62-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1752-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1752-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1752-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1752-45-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3864-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3864-39-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3864-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3864-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3864-58-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/3864-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4264-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4264-3-0x0000000002B70000-0x0000000002B72000-memory.dmp

Filesize
8KB

Download
memory/4264-4-0x0000000002C80000-0x0000000002C82000-memory.dmp

Filesize
8KB

Download
memory/4264-11-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4264-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4264-6-0x0000000002CA0000-0x0000000002CA2000-memory.dmp

Filesize
8KB

Download
memory/4352-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads