modiloader | 47e7a835e8fd665011575960bdcb0ae4687043b152ff47770224be535f534a3e

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
19/12/2024, 22:33

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General

Target

47e7a835e8fd665011575960bdcb0ae4687043b152ff47770224be535f534a3eN.exe
Size

90KB
MD5

21854720bee3ffeb56e8ec1da07ef350
SHA1

819964678199036d500f0689c8816250cefac86d
SHA256

47e7a835e8fd665011575960bdcb0ae4687043b152ff47770224be535f534a3e
SHA512

ff43ebf4da79760d4114770300046712aa706b61fe18274e9f65d06f9abfdd6b3a8a5e6ff933a3d70e1fa1d20b3e4ec34ee937c6ea2e5ddd2ae238d332c5abff
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDM:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3y

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/2880-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2880-51-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2880-50-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2880-63-0x0000000000400000-0x0000000000414000-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	47e7a835e8fd665011575960bdcb0ae4687043b152ff47770224be535f534a3eN.exe

Executes dropped EXE 3 IoCs

pid	Process
8	csrsll.exe
1492	csrsll.exe
2880	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 5064 set thread context of 1160	5064	47e7a835e8fd665011575960bdcb0ae4687043b152ff47770224be535f534a3eN.exe	83
PID 8 set thread context of 1492	8	csrsll.exe	95
PID 8 set thread context of 2880	8	csrsll.exe	96

UPX packed file 17 IoCs

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

upx

resource	yara_rule
behavioral2/memory/5064-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1160-8-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1160-4-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1160-6-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/5064-11-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/files/0x0008000000023c65-27.dat	upx
behavioral2/memory/8-34-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1160-38-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2880-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/8-58-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2880-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2880-50-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2880-49-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2880-44-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1160-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1492-62-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2880-63-0x0000000000400000-0x0000000000414000-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	47e7a835e8fd665011575960bdcb0ae4687043b152ff47770224be535f534a3eN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	47e7a835e8fd665011575960bdcb0ae4687043b152ff47770224be535f534a3eN.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	1492	csrsll.exe
Token: SeDebugPrivilege	1492	csrsll.exe
Token: SeDebugPrivilege	1492	csrsll.exe
Token: SeDebugPrivilege	1492	csrsll.exe
Token: SeDebugPrivilege	1492	csrsll.exe
Token: SeDebugPrivilege	1492	csrsll.exe
Token: SeDebugPrivilege	1492	csrsll.exe
Token: SeDebugPrivilege	1492	csrsll.exe
Token: SeDebugPrivilege	1492	csrsll.exe
Token: SeDebugPrivilege	1492	csrsll.exe
Token: SeDebugPrivilege	1492	csrsll.exe
Token: SeDebugPrivilege	1492	csrsll.exe
Token: SeDebugPrivilege	1492	csrsll.exe
Token: SeDebugPrivilege	1492	csrsll.exe
Token: SeDebugPrivilege	1492	csrsll.exe
Token: SeDebugPrivilege	1492	csrsll.exe
Token: SeDebugPrivilege	1492	csrsll.exe
Token: SeDebugPrivilege	1492	csrsll.exe
Token: SeDebugPrivilege	1492	csrsll.exe
Token: SeDebugPrivilege	1492	csrsll.exe
Token: SeDebugPrivilege	1492	csrsll.exe
Token: SeDebugPrivilege	1492	csrsll.exe
Token: SeDebugPrivilege	1492	csrsll.exe
Token: SeDebugPrivilege	1492	csrsll.exe
Token: SeDebugPrivilege	1492	csrsll.exe
Token: SeDebugPrivilege	1492	csrsll.exe
Token: SeDebugPrivilege	1492	csrsll.exe
Token: SeDebugPrivilege	1492	csrsll.exe
Token: SeDebugPrivilege	1492	csrsll.exe
Token: SeDebugPrivilege	1492	csrsll.exe
Token: SeDebugPrivilege	1492	csrsll.exe
Token: SeDebugPrivilege	1492	csrsll.exe
Token: SeDebugPrivilege	1492	csrsll.exe
Token: SeDebugPrivilege	1492	csrsll.exe
Token: SeDebugPrivilege	1492	csrsll.exe
Token: SeDebugPrivilege	1492	csrsll.exe
Token: SeDebugPrivilege	1492	csrsll.exe
Token: SeDebugPrivilege	1492	csrsll.exe
Token: SeDebugPrivilege	1492	csrsll.exe
Token: SeDebugPrivilege	1492	csrsll.exe
Token: SeDebugPrivilege	1492	csrsll.exe
Token: SeDebugPrivilege	1492	csrsll.exe
Token: SeDebugPrivilege	1492	csrsll.exe
Token: SeDebugPrivilege	1492	csrsll.exe
Token: SeDebugPrivilege	1492	csrsll.exe
Token: SeDebugPrivilege	1492	csrsll.exe
Token: SeDebugPrivilege	1492	csrsll.exe
Token: SeDebugPrivilege	1492	csrsll.exe
Token: SeDebugPrivilege	1492	csrsll.exe
Token: SeDebugPrivilege	1492	csrsll.exe
Token: SeDebugPrivilege	1492	csrsll.exe
Token: SeDebugPrivilege	1492	csrsll.exe
Token: SeDebugPrivilege	1492	csrsll.exe
Token: SeDebugPrivilege	1492	csrsll.exe
Token: SeDebugPrivilege	1492	csrsll.exe
Token: SeDebugPrivilege	1492	csrsll.exe
Token: SeDebugPrivilege	1492	csrsll.exe
Token: SeDebugPrivilege	1492	csrsll.exe
Token: SeDebugPrivilege	1492	csrsll.exe
Token: SeDebugPrivilege	1492	csrsll.exe
Token: SeDebugPrivilege	1492	csrsll.exe
Token: SeDebugPrivilege	1492	csrsll.exe
Token: SeDebugPrivilege	1492	csrsll.exe
Token: SeDebugPrivilege	1492	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
5064	47e7a835e8fd665011575960bdcb0ae4687043b152ff47770224be535f534a3eN.exe
1160	47e7a835e8fd665011575960bdcb0ae4687043b152ff47770224be535f534a3eN.exe
8	csrsll.exe
1492	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 5064 wrote to memory of 1160	5064	47e7a835e8fd665011575960bdcb0ae4687043b152ff47770224be535f534a3eN.exe	83
PID 5064 wrote to memory of 1160	5064	47e7a835e8fd665011575960bdcb0ae4687043b152ff47770224be535f534a3eN.exe	83
PID 5064 wrote to memory of 1160	5064	47e7a835e8fd665011575960bdcb0ae4687043b152ff47770224be535f534a3eN.exe	83
PID 5064 wrote to memory of 1160	5064	47e7a835e8fd665011575960bdcb0ae4687043b152ff47770224be535f534a3eN.exe	83
PID 5064 wrote to memory of 1160	5064	47e7a835e8fd665011575960bdcb0ae4687043b152ff47770224be535f534a3eN.exe	83
PID 5064 wrote to memory of 1160	5064	47e7a835e8fd665011575960bdcb0ae4687043b152ff47770224be535f534a3eN.exe	83
PID 5064 wrote to memory of 1160	5064	47e7a835e8fd665011575960bdcb0ae4687043b152ff47770224be535f534a3eN.exe	83
PID 5064 wrote to memory of 1160	5064	47e7a835e8fd665011575960bdcb0ae4687043b152ff47770224be535f534a3eN.exe	83
PID 1160 wrote to memory of 3604	1160	47e7a835e8fd665011575960bdcb0ae4687043b152ff47770224be535f534a3eN.exe	84
PID 1160 wrote to memory of 3604	1160	47e7a835e8fd665011575960bdcb0ae4687043b152ff47770224be535f534a3eN.exe	84
PID 1160 wrote to memory of 3604	1160	47e7a835e8fd665011575960bdcb0ae4687043b152ff47770224be535f534a3eN.exe	84
PID 3604 wrote to memory of 3612	3604	cmd.exe	88
PID 3604 wrote to memory of 3612	3604	cmd.exe	88
PID 3604 wrote to memory of 3612	3604	cmd.exe	88
PID 1160 wrote to memory of 8	1160	47e7a835e8fd665011575960bdcb0ae4687043b152ff47770224be535f534a3eN.exe	89
PID 1160 wrote to memory of 8	1160	47e7a835e8fd665011575960bdcb0ae4687043b152ff47770224be535f534a3eN.exe	89
PID 1160 wrote to memory of 8	1160	47e7a835e8fd665011575960bdcb0ae4687043b152ff47770224be535f534a3eN.exe	89
PID 8 wrote to memory of 1492	8	csrsll.exe	95
PID 8 wrote to memory of 1492	8	csrsll.exe	95
PID 8 wrote to memory of 1492	8	csrsll.exe	95
PID 8 wrote to memory of 1492	8	csrsll.exe	95
PID 8 wrote to memory of 1492	8	csrsll.exe	95
PID 8 wrote to memory of 1492	8	csrsll.exe	95
PID 8 wrote to memory of 1492	8	csrsll.exe	95
PID 8 wrote to memory of 1492	8	csrsll.exe	95
PID 8 wrote to memory of 2880	8	csrsll.exe	96
PID 8 wrote to memory of 2880	8	csrsll.exe	96
PID 8 wrote to memory of 2880	8	csrsll.exe	96
PID 8 wrote to memory of 2880	8	csrsll.exe	96
PID 8 wrote to memory of 2880	8	csrsll.exe	96
PID 8 wrote to memory of 2880	8	csrsll.exe	96
PID 8 wrote to memory of 2880	8	csrsll.exe	96
PID 8 wrote to memory of 2880	8	csrsll.exe	96

C:\Users\Admin\AppData\Local\Temp\47e7a835e8fd665011575960bdcb0ae4687043b152ff47770224be535f534a3eN.exe
"C:\Users\Admin\AppData\Local\Temp\47e7a835e8fd665011575960bdcb0ae4687043b152ff47770224be535f534a3eN.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5064
- C:\Users\Admin\AppData\Local\Temp\47e7a835e8fd665011575960bdcb0ae4687043b152ff47770224be535f534a3eN.exe
  "C:\Users\Admin\AppData\Local\Temp\47e7a835e8fd665011575960bdcb0ae4687043b152ff47770224be535f534a3eN.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1160
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\BRSPX.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3604
  - - 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:3612
- - 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:8
  - - 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:1492
  - - 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:2880

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\BRSPX.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
03c2c89ee4bbea70504f8f4af50f1804

SHA1
556361cdbab628e374816c24c10c6604fb3731f3

SHA256
e3b06e90fed7f8592b7e476923e7f5b23ab6ccd9310c03638672d53f57fe00ef

SHA512
9579d0a8b635cc256f9305c7a6c541684f064a2c8d69c81230351bc6602363a0de80f454a60313d29a3e46b229d2c03c7abb8b60a03818685d3abd34d8d194b4

Download Submit
memory/8-58-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/8-34-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/8-40-0x00007FFBE2950000-0x00007FFBE2B45000-memory.dmp

Filesize
2.0MB

Download
memory/1160-6-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1160-61-0x00007FFBE2950000-0x00007FFBE2B45000-memory.dmp

Filesize
2.0MB

Download
memory/1160-9-0x00007FFBE2950000-0x00007FFBE2B45000-memory.dmp

Filesize
2.0MB

Download
memory/1160-4-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1160-38-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1160-39-0x00007FFBE2950000-0x00007FFBE2B45000-memory.dmp

Filesize
2.0MB

Download
memory/1160-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1160-59-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/1160-8-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1492-62-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1492-52-0x00007FFBE2950000-0x00007FFBE2B45000-memory.dmp

Filesize
2.0MB

Download
memory/2880-49-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2880-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2880-44-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2880-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2880-54-0x00007FFBE2950000-0x00007FFBE2B45000-memory.dmp

Filesize
2.0MB

Download
memory/2880-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2880-63-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5064-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/5064-11-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/5064-3-0x00007FFBE2950000-0x00007FFBE2B45000-memory.dmp

Filesize
2.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads