modiloader | 3862305dcc2a0713816fabceacebbb75c01afb1ac6d1ebbbea98eda4be9b4866

Analysis

max time kernel
148s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04-12-2024 23:58

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General

Target

3862305dcc2a0713816fabceacebbb75c01afb1ac6d1ebbbea98eda4be9b4866.exe
Size

90KB
MD5

a91150aafd539bd81412fe8ded578698
SHA1

ffb235bcec1bd17e1279441878765497b74f5307
SHA256

3862305dcc2a0713816fabceacebbb75c01afb1ac6d1ebbbea98eda4be9b4866
SHA512

1742da7dd01dbf3db1f5e20ae208c97b035c39364e5b224129cedb0c54fbc9ecb315bced59f1f57c65b74b3fd4c931ee6d72cf9994d307a1f4356b8b6cda9e36
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDj:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE39

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 1 IoCs

resource	yara_rule
behavioral1/memory/1924-252-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
2352	csrsll.exe
2588	csrsll.exe
1924	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
2140	3862305dcc2a0713816fabceacebbb75c01afb1ac6d1ebbbea98eda4be9b4866.exe
2140	3862305dcc2a0713816fabceacebbb75c01afb1ac6d1ebbbea98eda4be9b4866.exe
2140	3862305dcc2a0713816fabceacebbb75c01afb1ac6d1ebbbea98eda4be9b4866.exe
2140	3862305dcc2a0713816fabceacebbb75c01afb1ac6d1ebbbea98eda4be9b4866.exe
2140	3862305dcc2a0713816fabceacebbb75c01afb1ac6d1ebbbea98eda4be9b4866.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-1-5-21-4177215427-74451935-3209572229-1000\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 1732 set thread context of 2140	1732	3862305dcc2a0713816fabceacebbb75c01afb1ac6d1ebbbea98eda4be9b4866.exe	30
PID 2352 set thread context of 2588	2352	csrsll.exe	36
PID 2352 set thread context of 1924	2352	csrsll.exe	37

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1732-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2140-98-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1732-26-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1732-100-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2140-102-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2140-105-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2140-101-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2140-94-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2140-92-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1732-89-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/files/0x000a0000000120f9-131.dat	upx
behavioral1/memory/2352-149-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2140-152-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2352-213-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2140-257-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2352-255-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1924-252-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/2588-251-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2588-258-0x0000000000400000-0x000000000040B000-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	3862305dcc2a0713816fabceacebbb75c01afb1ac6d1ebbbea98eda4be9b4866.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3862305dcc2a0713816fabceacebbb75c01afb1ac6d1ebbbea98eda4be9b4866.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	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe
Token: SeDebugPrivilege	2588	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1732	3862305dcc2a0713816fabceacebbb75c01afb1ac6d1ebbbea98eda4be9b4866.exe
2140	3862305dcc2a0713816fabceacebbb75c01afb1ac6d1ebbbea98eda4be9b4866.exe
2352	csrsll.exe
2588	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 1732 wrote to memory of 2140	1732	3862305dcc2a0713816fabceacebbb75c01afb1ac6d1ebbbea98eda4be9b4866.exe	30
PID 1732 wrote to memory of 2140	1732	3862305dcc2a0713816fabceacebbb75c01afb1ac6d1ebbbea98eda4be9b4866.exe	30
PID 1732 wrote to memory of 2140	1732	3862305dcc2a0713816fabceacebbb75c01afb1ac6d1ebbbea98eda4be9b4866.exe	30
PID 1732 wrote to memory of 2140	1732	3862305dcc2a0713816fabceacebbb75c01afb1ac6d1ebbbea98eda4be9b4866.exe	30
PID 1732 wrote to memory of 2140	1732	3862305dcc2a0713816fabceacebbb75c01afb1ac6d1ebbbea98eda4be9b4866.exe	30
PID 1732 wrote to memory of 2140	1732	3862305dcc2a0713816fabceacebbb75c01afb1ac6d1ebbbea98eda4be9b4866.exe	30
PID 1732 wrote to memory of 2140	1732	3862305dcc2a0713816fabceacebbb75c01afb1ac6d1ebbbea98eda4be9b4866.exe	30
PID 1732 wrote to memory of 2140	1732	3862305dcc2a0713816fabceacebbb75c01afb1ac6d1ebbbea98eda4be9b4866.exe	30
PID 2140 wrote to memory of 992	2140	3862305dcc2a0713816fabceacebbb75c01afb1ac6d1ebbbea98eda4be9b4866.exe	31
PID 2140 wrote to memory of 992	2140	3862305dcc2a0713816fabceacebbb75c01afb1ac6d1ebbbea98eda4be9b4866.exe	31
PID 2140 wrote to memory of 992	2140	3862305dcc2a0713816fabceacebbb75c01afb1ac6d1ebbbea98eda4be9b4866.exe	31
PID 2140 wrote to memory of 992	2140	3862305dcc2a0713816fabceacebbb75c01afb1ac6d1ebbbea98eda4be9b4866.exe	31
PID 992 wrote to memory of 576	992	cmd.exe	33
PID 992 wrote to memory of 576	992	cmd.exe	33
PID 992 wrote to memory of 576	992	cmd.exe	33
PID 992 wrote to memory of 576	992	cmd.exe	33
PID 2140 wrote to memory of 2352	2140	3862305dcc2a0713816fabceacebbb75c01afb1ac6d1ebbbea98eda4be9b4866.exe	34
PID 2140 wrote to memory of 2352	2140	3862305dcc2a0713816fabceacebbb75c01afb1ac6d1ebbbea98eda4be9b4866.exe	34
PID 2140 wrote to memory of 2352	2140	3862305dcc2a0713816fabceacebbb75c01afb1ac6d1ebbbea98eda4be9b4866.exe	34
PID 2140 wrote to memory of 2352	2140	3862305dcc2a0713816fabceacebbb75c01afb1ac6d1ebbbea98eda4be9b4866.exe	34
PID 2352 wrote to memory of 2588	2352	csrsll.exe	36
PID 2352 wrote to memory of 2588	2352	csrsll.exe	36
PID 2352 wrote to memory of 2588	2352	csrsll.exe	36
PID 2352 wrote to memory of 2588	2352	csrsll.exe	36
PID 2352 wrote to memory of 2588	2352	csrsll.exe	36
PID 2352 wrote to memory of 2588	2352	csrsll.exe	36
PID 2352 wrote to memory of 2588	2352	csrsll.exe	36
PID 2352 wrote to memory of 2588	2352	csrsll.exe	36
PID 2352 wrote to memory of 1924	2352	csrsll.exe	37
PID 2352 wrote to memory of 1924	2352	csrsll.exe	37
PID 2352 wrote to memory of 1924	2352	csrsll.exe	37
PID 2352 wrote to memory of 1924	2352	csrsll.exe	37
PID 2352 wrote to memory of 1924	2352	csrsll.exe	37
PID 2352 wrote to memory of 1924	2352	csrsll.exe	37
PID 2352 wrote to memory of 1924	2352	csrsll.exe	37
PID 2352 wrote to memory of 1924	2352	csrsll.exe	37

C:\Users\Admin\AppData\Local\Temp\3862305dcc2a0713816fabceacebbb75c01afb1ac6d1ebbbea98eda4be9b4866.exe
"C:\Users\Admin\AppData\Local\Temp\3862305dcc2a0713816fabceacebbb75c01afb1ac6d1ebbbea98eda4be9b4866.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1732
- C:\Users\Admin\AppData\Local\Temp\3862305dcc2a0713816fabceacebbb75c01afb1ac6d1ebbbea98eda4be9b4866.exe
  "C:\Users\Admin\AppData\Local\Temp\3862305dcc2a0713816fabceacebbb75c01afb1ac6d1ebbbea98eda4be9b4866.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2140
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\NOMUG.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:992
  - - 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:576
- - 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:2352
  - - 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:2588
  - - 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:1924

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

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\NOMUG.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
dee04b6f628b3d5f955bf9b9d1616996

SHA1
ca26b6f07980a19cdd02ef784f3761d6628d6beb

SHA256
af9f35ed0bef5a6cb2d0b566b0ecdf3f9702a9da1683cdd10881898c81c4c4e5

SHA512
d5c68c487db857f891d9b9b083f60257b04e8bcd386882cfe38e08be36423755a7a0d71a30d0edcf2c0e7bbd9db3034a2c4f4778c48c6c6d17fdba9d45f14fde

Download Submit
memory/1732-71-0x0000000000370000-0x0000000000371000-memory.dmp

Filesize
4KB

Download
memory/1732-26-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1732-25-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/1732-79-0x00000000003D0000-0x00000000003D2000-memory.dmp

Filesize
8KB

Download
memory/1732-104-0x00000000027E0000-0x0000000002833000-memory.dmp

Filesize
332KB

Download
memory/1732-15-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/1732-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1732-61-0x0000000000350000-0x0000000000351000-memory.dmp

Filesize
4KB

Download
memory/1732-41-0x0000000000310000-0x0000000000311000-memory.dmp

Filesize
4KB

Download
memory/1732-29-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/1732-5-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1732-100-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1732-3-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1732-89-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1924-252-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2140-90-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2140-152-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2140-92-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2140-101-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2140-105-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2140-102-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2140-96-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2140-147-0x00000000030F0000-0x0000000003143000-memory.dmp

Filesize
332KB

Download
memory/2140-146-0x00000000030F0000-0x0000000003143000-memory.dmp

Filesize
332KB

Download
memory/2140-145-0x00000000030F0000-0x0000000003143000-memory.dmp

Filesize
332KB

Download
memory/2140-250-0x00000000030F0000-0x0000000003143000-memory.dmp

Filesize
332KB

Download
memory/2140-94-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2140-98-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2140-212-0x00000000030F0000-0x0000000003143000-memory.dmp

Filesize
332KB

Download
memory/2140-253-0x00000000030F0000-0x0000000003143000-memory.dmp

Filesize
332KB

Download
memory/2140-257-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2352-155-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2352-165-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/2352-255-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2352-176-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/2352-213-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2352-149-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2588-251-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2588-258-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads