modiloader | dd336f129c10427622e8cf2c30c2d420d2b5d58e489f29f460d17e8176f8ad37

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
18-10-2024 00:52

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General

Target

dd336f129c10427622e8cf2c30c2d420d2b5d58e489f29f460d17e8176f8ad37N.exe
Size

90KB
MD5

79bf9a0a58c4f409717afe729cfde310
SHA1

bb3ab7a59ca5e3f2e1582e13b21f2df11afaface
SHA256

dd336f129c10427622e8cf2c30c2d420d2b5d58e489f29f460d17e8176f8ad37
SHA512

df0009538be75b862108a0e12e407bbdc5165702c01bf37802c0fe7e724c8d75ace8fadfe1677d611a27b9f6edf7f3c3cc9cca0b2cff68bbd5a1a41f9a0d9649
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDK: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 Second Stage 4 IoCs

resource	yara_rule
behavioral2/memory/2584-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2584-56-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2584-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2584-62-0x0000000000400000-0x0000000000414000-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-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	dd336f129c10427622e8cf2c30c2d420d2b5d58e489f29f460d17e8176f8ad37N.exe

Executes dropped EXE 3 IoCs

pid	Process
1772	csrsll.exe
544	csrsll.exe
2584	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-1-5-21-2045521122-590294423-3465680274-1000\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 2008 set thread context of 4980	2008	dd336f129c10427622e8cf2c30c2d420d2b5d58e489f29f460d17e8176f8ad37N.exe	93
PID 1772 set thread context of 544	1772	csrsll.exe	103
PID 1772 set thread context of 2584	1772	csrsll.exe	104

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2008-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2008-4-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4980-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4980-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2008-11-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4980-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000b000000023b68-29.dat	upx
behavioral2/memory/1772-36-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4980-40-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1772-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1772-42-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2584-46-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2584-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2584-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2584-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2584-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1772-58-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4980-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/544-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2584-62-0x0000000000400000-0x0000000000414000-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	dd336f129c10427622e8cf2c30c2d420d2b5d58e489f29f460d17e8176f8ad37N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dd336f129c10427622e8cf2c30c2d420d2b5d58e489f29f460d17e8176f8ad37N.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	544	csrsll.exe
Token: SeDebugPrivilege	544	csrsll.exe
Token: SeDebugPrivilege	544	csrsll.exe
Token: SeDebugPrivilege	544	csrsll.exe
Token: SeDebugPrivilege	544	csrsll.exe
Token: SeDebugPrivilege	544	csrsll.exe
Token: SeDebugPrivilege	544	csrsll.exe
Token: SeDebugPrivilege	544	csrsll.exe
Token: SeDebugPrivilege	544	csrsll.exe
Token: SeDebugPrivilege	544	csrsll.exe
Token: SeDebugPrivilege	544	csrsll.exe
Token: SeDebugPrivilege	544	csrsll.exe
Token: SeDebugPrivilege	544	csrsll.exe
Token: SeDebugPrivilege	544	csrsll.exe
Token: SeDebugPrivilege	544	csrsll.exe
Token: SeDebugPrivilege	544	csrsll.exe
Token: SeDebugPrivilege	544	csrsll.exe
Token: SeDebugPrivilege	544	csrsll.exe
Token: SeDebugPrivilege	544	csrsll.exe
Token: SeDebugPrivilege	544	csrsll.exe
Token: SeDebugPrivilege	544	csrsll.exe
Token: SeDebugPrivilege	544	csrsll.exe
Token: SeDebugPrivilege	544	csrsll.exe
Token: SeDebugPrivilege	544	csrsll.exe
Token: SeDebugPrivilege	544	csrsll.exe
Token: SeDebugPrivilege	544	csrsll.exe
Token: SeDebugPrivilege	544	csrsll.exe
Token: SeDebugPrivilege	544	csrsll.exe
Token: SeDebugPrivilege	544	csrsll.exe
Token: SeDebugPrivilege	544	csrsll.exe
Token: SeDebugPrivilege	544	csrsll.exe
Token: SeDebugPrivilege	544	csrsll.exe
Token: SeDebugPrivilege	544	csrsll.exe
Token: SeDebugPrivilege	544	csrsll.exe
Token: SeDebugPrivilege	544	csrsll.exe
Token: SeDebugPrivilege	544	csrsll.exe
Token: SeDebugPrivilege	544	csrsll.exe
Token: SeDebugPrivilege	544	csrsll.exe
Token: SeDebugPrivilege	544	csrsll.exe
Token: SeDebugPrivilege	544	csrsll.exe
Token: SeDebugPrivilege	544	csrsll.exe
Token: SeDebugPrivilege	544	csrsll.exe
Token: SeDebugPrivilege	544	csrsll.exe
Token: SeDebugPrivilege	544	csrsll.exe
Token: SeDebugPrivilege	544	csrsll.exe
Token: SeDebugPrivilege	544	csrsll.exe
Token: SeDebugPrivilege	544	csrsll.exe
Token: SeDebugPrivilege	544	csrsll.exe
Token: SeDebugPrivilege	544	csrsll.exe
Token: SeDebugPrivilege	544	csrsll.exe
Token: SeDebugPrivilege	544	csrsll.exe
Token: SeDebugPrivilege	544	csrsll.exe
Token: SeDebugPrivilege	544	csrsll.exe
Token: SeDebugPrivilege	544	csrsll.exe
Token: SeDebugPrivilege	544	csrsll.exe
Token: SeDebugPrivilege	544	csrsll.exe
Token: SeDebugPrivilege	544	csrsll.exe
Token: SeDebugPrivilege	544	csrsll.exe
Token: SeDebugPrivilege	544	csrsll.exe
Token: SeDebugPrivilege	544	csrsll.exe
Token: SeDebugPrivilege	544	csrsll.exe
Token: SeDebugPrivilege	544	csrsll.exe
Token: SeDebugPrivilege	544	csrsll.exe
Token: SeDebugPrivilege	544	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2008	dd336f129c10427622e8cf2c30c2d420d2b5d58e489f29f460d17e8176f8ad37N.exe
4980	dd336f129c10427622e8cf2c30c2d420d2b5d58e489f29f460d17e8176f8ad37N.exe
1772	csrsll.exe
544	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 2008 wrote to memory of 4980	2008	dd336f129c10427622e8cf2c30c2d420d2b5d58e489f29f460d17e8176f8ad37N.exe	93
PID 2008 wrote to memory of 4980	2008	dd336f129c10427622e8cf2c30c2d420d2b5d58e489f29f460d17e8176f8ad37N.exe	93
PID 2008 wrote to memory of 4980	2008	dd336f129c10427622e8cf2c30c2d420d2b5d58e489f29f460d17e8176f8ad37N.exe	93
PID 2008 wrote to memory of 4980	2008	dd336f129c10427622e8cf2c30c2d420d2b5d58e489f29f460d17e8176f8ad37N.exe	93
PID 2008 wrote to memory of 4980	2008	dd336f129c10427622e8cf2c30c2d420d2b5d58e489f29f460d17e8176f8ad37N.exe	93
PID 2008 wrote to memory of 4980	2008	dd336f129c10427622e8cf2c30c2d420d2b5d58e489f29f460d17e8176f8ad37N.exe	93
PID 2008 wrote to memory of 4980	2008	dd336f129c10427622e8cf2c30c2d420d2b5d58e489f29f460d17e8176f8ad37N.exe	93
PID 2008 wrote to memory of 4980	2008	dd336f129c10427622e8cf2c30c2d420d2b5d58e489f29f460d17e8176f8ad37N.exe	93
PID 4980 wrote to memory of 1556	4980	dd336f129c10427622e8cf2c30c2d420d2b5d58e489f29f460d17e8176f8ad37N.exe	94
PID 4980 wrote to memory of 1556	4980	dd336f129c10427622e8cf2c30c2d420d2b5d58e489f29f460d17e8176f8ad37N.exe	94
PID 4980 wrote to memory of 1556	4980	dd336f129c10427622e8cf2c30c2d420d2b5d58e489f29f460d17e8176f8ad37N.exe	94
PID 1556 wrote to memory of 4336	1556	cmd.exe	99
PID 1556 wrote to memory of 4336	1556	cmd.exe	99
PID 1556 wrote to memory of 4336	1556	cmd.exe	99
PID 4980 wrote to memory of 1772	4980	dd336f129c10427622e8cf2c30c2d420d2b5d58e489f29f460d17e8176f8ad37N.exe	100
PID 4980 wrote to memory of 1772	4980	dd336f129c10427622e8cf2c30c2d420d2b5d58e489f29f460d17e8176f8ad37N.exe	100
PID 4980 wrote to memory of 1772	4980	dd336f129c10427622e8cf2c30c2d420d2b5d58e489f29f460d17e8176f8ad37N.exe	100
PID 1772 wrote to memory of 544	1772	csrsll.exe	103
PID 1772 wrote to memory of 544	1772	csrsll.exe	103
PID 1772 wrote to memory of 544	1772	csrsll.exe	103
PID 1772 wrote to memory of 544	1772	csrsll.exe	103
PID 1772 wrote to memory of 544	1772	csrsll.exe	103
PID 1772 wrote to memory of 544	1772	csrsll.exe	103
PID 1772 wrote to memory of 544	1772	csrsll.exe	103
PID 1772 wrote to memory of 544	1772	csrsll.exe	103
PID 1772 wrote to memory of 2584	1772	csrsll.exe	104
PID 1772 wrote to memory of 2584	1772	csrsll.exe	104
PID 1772 wrote to memory of 2584	1772	csrsll.exe	104
PID 1772 wrote to memory of 2584	1772	csrsll.exe	104
PID 1772 wrote to memory of 2584	1772	csrsll.exe	104
PID 1772 wrote to memory of 2584	1772	csrsll.exe	104
PID 1772 wrote to memory of 2584	1772	csrsll.exe	104
PID 1772 wrote to memory of 2584	1772	csrsll.exe	104

C:\Users\Admin\AppData\Local\Temp\dd336f129c10427622e8cf2c30c2d420d2b5d58e489f29f460d17e8176f8ad37N.exe
"C:\Users\Admin\AppData\Local\Temp\dd336f129c10427622e8cf2c30c2d420d2b5d58e489f29f460d17e8176f8ad37N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2008
- C:\Users\Admin\AppData\Local\Temp\dd336f129c10427622e8cf2c30c2d420d2b5d58e489f29f460d17e8176f8ad37N.exe
  "C:\Users\Admin\AppData\Local\Temp\dd336f129c10427622e8cf2c30c2d420d2b5d58e489f29f460d17e8176f8ad37N.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4980
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\BHMCO.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1556
  - - 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:4336
- - 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:1772
  - - 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:544
  - - 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:2584

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\BHMCO.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
1be96e2449cb848f90e24b3ddd4c3d24

SHA1
269c7969d5aab46e7ab6e96be215914e2eb9337d

SHA256
a9a4ab2e0d60411eaee9019cd054b8e6f52464605473031ee5c815c024b1d765

SHA512
4ef779454c616607c6a3f20620599bc9fd1bdbbc81ee371b54b3b8d32b463e2b96ef33ec2477c59917c9505ba0cd763eab8a9831ba25b2ca8a2de16be4700a89

Download Submit
memory/544-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1772-58-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1772-36-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1772-42-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1772-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2008-11-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2008-4-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2008-5-0x0000000002330000-0x0000000002332000-memory.dmp

Filesize
8KB

Download
memory/2008-3-0x0000000002310000-0x0000000002312000-memory.dmp

Filesize
8KB

Download
memory/2008-6-0x0000000002340000-0x0000000002342000-memory.dmp

Filesize
8KB

Download
memory/2008-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2584-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2584-62-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2584-46-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2584-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2584-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2584-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4980-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4980-40-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4980-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4980-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4980-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads