modiloader | 1842a4d5ec3122ede1b7c4f6c9f62859024a72c3b03ffc750c1af164b3c53e35

Analysis

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

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
18-12-2024 23:50

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General

Target

1842a4d5ec3122ede1b7c4f6c9f62859024a72c3b03ffc750c1af164b3c53e35.exe
Size

90KB
MD5

7cca5c42300bb7ae0bdc7c8afcad3485
SHA1

ddb9d96c67639283c6b286f96b52f84c030661e0
SHA256

1842a4d5ec3122ede1b7c4f6c9f62859024a72c3b03ffc750c1af164b3c53e35
SHA512

ae924737df9d07feb874f4838e472a16e56a8afd11ac25fa0bcfb1010f283d13f0da5b3fd234fdffd78447d09456c2381f7b89042ce5418d517cd27810f7439f
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDx:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3v

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/3696-51-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3696-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3696-52-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3696-60-0x0000000000400000-0x0000000000414000-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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	1842a4d5ec3122ede1b7c4f6c9f62859024a72c3b03ffc750c1af164b3c53e35.exe

Executes dropped EXE 3 IoCs

pid	Process
4744	csrsll.exe
3648	csrsll.exe
3696	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-1-5-21-4089630652-1596403869-279772308-1000\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 1116 set thread context of 208	1116	1842a4d5ec3122ede1b7c4f6c9f62859024a72c3b03ffc750c1af164b3c53e35.exe	84
PID 4744 set thread context of 3648	4744	csrsll.exe	95
PID 4744 set thread context of 3696	4744	csrsll.exe	96

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1116-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1116-4-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/208-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/208-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/208-11-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1116-12-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/files/0x000c000000023b5c-28.dat	upx
behavioral2/memory/208-38-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4744-39-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4744-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4744-50-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3696-49-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3696-44-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3696-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3696-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3696-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/208-58-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3648-59-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3696-60-0x0000000000400000-0x0000000000414000-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	1842a4d5ec3122ede1b7c4f6c9f62859024a72c3b03ffc750c1af164b3c53e35.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1842a4d5ec3122ede1b7c4f6c9f62859024a72c3b03ffc750c1af164b3c53e35.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	3648	csrsll.exe
Token: SeDebugPrivilege	3648	csrsll.exe
Token: SeDebugPrivilege	3648	csrsll.exe
Token: SeDebugPrivilege	3648	csrsll.exe
Token: SeDebugPrivilege	3648	csrsll.exe
Token: SeDebugPrivilege	3648	csrsll.exe
Token: SeDebugPrivilege	3648	csrsll.exe
Token: SeDebugPrivilege	3648	csrsll.exe
Token: SeDebugPrivilege	3648	csrsll.exe
Token: SeDebugPrivilege	3648	csrsll.exe
Token: SeDebugPrivilege	3648	csrsll.exe
Token: SeDebugPrivilege	3648	csrsll.exe
Token: SeDebugPrivilege	3648	csrsll.exe
Token: SeDebugPrivilege	3648	csrsll.exe
Token: SeDebugPrivilege	3648	csrsll.exe
Token: SeDebugPrivilege	3648	csrsll.exe
Token: SeDebugPrivilege	3648	csrsll.exe
Token: SeDebugPrivilege	3648	csrsll.exe
Token: SeDebugPrivilege	3648	csrsll.exe
Token: SeDebugPrivilege	3648	csrsll.exe
Token: SeDebugPrivilege	3648	csrsll.exe
Token: SeDebugPrivilege	3648	csrsll.exe
Token: SeDebugPrivilege	3648	csrsll.exe
Token: SeDebugPrivilege	3648	csrsll.exe
Token: SeDebugPrivilege	3648	csrsll.exe
Token: SeDebugPrivilege	3648	csrsll.exe
Token: SeDebugPrivilege	3648	csrsll.exe
Token: SeDebugPrivilege	3648	csrsll.exe
Token: SeDebugPrivilege	3648	csrsll.exe
Token: SeDebugPrivilege	3648	csrsll.exe
Token: SeDebugPrivilege	3648	csrsll.exe
Token: SeDebugPrivilege	3648	csrsll.exe
Token: SeDebugPrivilege	3648	csrsll.exe
Token: SeDebugPrivilege	3648	csrsll.exe
Token: SeDebugPrivilege	3648	csrsll.exe
Token: SeDebugPrivilege	3648	csrsll.exe
Token: SeDebugPrivilege	3648	csrsll.exe
Token: SeDebugPrivilege	3648	csrsll.exe
Token: SeDebugPrivilege	3648	csrsll.exe
Token: SeDebugPrivilege	3648	csrsll.exe
Token: SeDebugPrivilege	3648	csrsll.exe
Token: SeDebugPrivilege	3648	csrsll.exe
Token: SeDebugPrivilege	3648	csrsll.exe
Token: SeDebugPrivilege	3648	csrsll.exe
Token: SeDebugPrivilege	3648	csrsll.exe
Token: SeDebugPrivilege	3648	csrsll.exe
Token: SeDebugPrivilege	3648	csrsll.exe
Token: SeDebugPrivilege	3648	csrsll.exe
Token: SeDebugPrivilege	3648	csrsll.exe
Token: SeDebugPrivilege	3648	csrsll.exe
Token: SeDebugPrivilege	3648	csrsll.exe
Token: SeDebugPrivilege	3648	csrsll.exe
Token: SeDebugPrivilege	3648	csrsll.exe
Token: SeDebugPrivilege	3648	csrsll.exe
Token: SeDebugPrivilege	3648	csrsll.exe
Token: SeDebugPrivilege	3648	csrsll.exe
Token: SeDebugPrivilege	3648	csrsll.exe
Token: SeDebugPrivilege	3648	csrsll.exe
Token: SeDebugPrivilege	3648	csrsll.exe
Token: SeDebugPrivilege	3648	csrsll.exe
Token: SeDebugPrivilege	3648	csrsll.exe
Token: SeDebugPrivilege	3648	csrsll.exe
Token: SeDebugPrivilege	3648	csrsll.exe
Token: SeDebugPrivilege	3648	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1116	1842a4d5ec3122ede1b7c4f6c9f62859024a72c3b03ffc750c1af164b3c53e35.exe
208	1842a4d5ec3122ede1b7c4f6c9f62859024a72c3b03ffc750c1af164b3c53e35.exe
4744	csrsll.exe
3648	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 1116 wrote to memory of 208	1116	1842a4d5ec3122ede1b7c4f6c9f62859024a72c3b03ffc750c1af164b3c53e35.exe	84
PID 1116 wrote to memory of 208	1116	1842a4d5ec3122ede1b7c4f6c9f62859024a72c3b03ffc750c1af164b3c53e35.exe	84
PID 1116 wrote to memory of 208	1116	1842a4d5ec3122ede1b7c4f6c9f62859024a72c3b03ffc750c1af164b3c53e35.exe	84
PID 1116 wrote to memory of 208	1116	1842a4d5ec3122ede1b7c4f6c9f62859024a72c3b03ffc750c1af164b3c53e35.exe	84
PID 1116 wrote to memory of 208	1116	1842a4d5ec3122ede1b7c4f6c9f62859024a72c3b03ffc750c1af164b3c53e35.exe	84
PID 1116 wrote to memory of 208	1116	1842a4d5ec3122ede1b7c4f6c9f62859024a72c3b03ffc750c1af164b3c53e35.exe	84
PID 1116 wrote to memory of 208	1116	1842a4d5ec3122ede1b7c4f6c9f62859024a72c3b03ffc750c1af164b3c53e35.exe	84
PID 1116 wrote to memory of 208	1116	1842a4d5ec3122ede1b7c4f6c9f62859024a72c3b03ffc750c1af164b3c53e35.exe	84
PID 208 wrote to memory of 1012	208	1842a4d5ec3122ede1b7c4f6c9f62859024a72c3b03ffc750c1af164b3c53e35.exe	85
PID 208 wrote to memory of 1012	208	1842a4d5ec3122ede1b7c4f6c9f62859024a72c3b03ffc750c1af164b3c53e35.exe	85
PID 208 wrote to memory of 1012	208	1842a4d5ec3122ede1b7c4f6c9f62859024a72c3b03ffc750c1af164b3c53e35.exe	85
PID 1012 wrote to memory of 2964	1012	cmd.exe	88
PID 1012 wrote to memory of 2964	1012	cmd.exe	88
PID 1012 wrote to memory of 2964	1012	cmd.exe	88
PID 208 wrote to memory of 4744	208	1842a4d5ec3122ede1b7c4f6c9f62859024a72c3b03ffc750c1af164b3c53e35.exe	89
PID 208 wrote to memory of 4744	208	1842a4d5ec3122ede1b7c4f6c9f62859024a72c3b03ffc750c1af164b3c53e35.exe	89
PID 208 wrote to memory of 4744	208	1842a4d5ec3122ede1b7c4f6c9f62859024a72c3b03ffc750c1af164b3c53e35.exe	89
PID 4744 wrote to memory of 3648	4744	csrsll.exe	95
PID 4744 wrote to memory of 3648	4744	csrsll.exe	95
PID 4744 wrote to memory of 3648	4744	csrsll.exe	95
PID 4744 wrote to memory of 3648	4744	csrsll.exe	95
PID 4744 wrote to memory of 3648	4744	csrsll.exe	95
PID 4744 wrote to memory of 3648	4744	csrsll.exe	95
PID 4744 wrote to memory of 3648	4744	csrsll.exe	95
PID 4744 wrote to memory of 3648	4744	csrsll.exe	95
PID 4744 wrote to memory of 3696	4744	csrsll.exe	96
PID 4744 wrote to memory of 3696	4744	csrsll.exe	96
PID 4744 wrote to memory of 3696	4744	csrsll.exe	96
PID 4744 wrote to memory of 3696	4744	csrsll.exe	96
PID 4744 wrote to memory of 3696	4744	csrsll.exe	96
PID 4744 wrote to memory of 3696	4744	csrsll.exe	96
PID 4744 wrote to memory of 3696	4744	csrsll.exe	96
PID 4744 wrote to memory of 3696	4744	csrsll.exe	96

C:\Users\Admin\AppData\Local\Temp\1842a4d5ec3122ede1b7c4f6c9f62859024a72c3b03ffc750c1af164b3c53e35.exe
"C:\Users\Admin\AppData\Local\Temp\1842a4d5ec3122ede1b7c4f6c9f62859024a72c3b03ffc750c1af164b3c53e35.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1116
- C:\Users\Admin\AppData\Local\Temp\1842a4d5ec3122ede1b7c4f6c9f62859024a72c3b03ffc750c1af164b3c53e35.exe
  "C:\Users\Admin\AppData\Local\Temp\1842a4d5ec3122ede1b7c4f6c9f62859024a72c3b03ffc750c1af164b3c53e35.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:208
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\NLJNB.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1012
  - - 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:2964
- - 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:4744
  - - 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:3648
  - - 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:3696

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\NLJNB.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
a24d7bdf72d7ac7b615cd2309dcddb70

SHA1
0e2d1b8a77b62cf050fa0dc4b722e24060b10a03

SHA256
e10180ee33f6612b64eb3e0dd6352f19d0fa41eaac4d7464e07b503a4abe1afc

SHA512
9fc858a7c8b640a3efcd327b83b5a82a1099d1b71d7890debcafb5a2967c3749f878fe4d30ebec05413692a9e61708817f582e8ba6ba04ea5c32a1c39eecb312

Download Submit
memory/208-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/208-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/208-11-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/208-38-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/208-58-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1116-5-0x0000000002A30000-0x0000000002A32000-memory.dmp

Filesize
8KB

Download
memory/1116-4-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1116-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1116-12-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1116-6-0x0000000002A40000-0x0000000002A42000-memory.dmp

Filesize
8KB

Download
memory/1116-3-0x0000000002A10000-0x0000000002A12000-memory.dmp

Filesize
8KB

Download
memory/3648-59-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3696-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3696-49-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3696-44-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3696-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3696-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3696-60-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4744-50-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4744-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4744-39-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads