modiloader | 4d95ba2778134ece5620414b41fbfa9f1d80bb13ed4111e6a9a31ec3e93289a4

Analysis

max time kernel
119s
max time network
120s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20-12-2024 03:31

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General

Target

4d95ba2778134ece5620414b41fbfa9f1d80bb13ed4111e6a9a31ec3e93289a4N.exe
Size

90KB
MD5

30e2d47e8dea90d2326cac387f7e08d0
SHA1

3d4ebd4b923931097afbb5111336d1c2d2c2fa63
SHA256

4d95ba2778134ece5620414b41fbfa9f1d80bb13ed4111e6a9a31ec3e93289a4
SHA512

e6fcb974a48ad886b8fe44ac4922b76d89356a9f49b3237c77d57f52b9de1266580b8f45ac04b91ad8aab920416580539797ac08372ebad402288cd13c5a94fe
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDC:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3c

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/3056-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3056-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3056-56-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3056-61-0x0000000000400000-0x0000000000414000-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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	4d95ba2778134ece5620414b41fbfa9f1d80bb13ed4111e6a9a31ec3e93289a4N.exe

Executes dropped EXE 3 IoCs

pid	Process
2436	csrsll.exe
3068	csrsll.exe
3056	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-1-5-21-3227495264-2217614367-4027411560-1000\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 4932 set thread context of 3168	4932	4d95ba2778134ece5620414b41fbfa9f1d80bb13ed4111e6a9a31ec3e93289a4N.exe	82
PID 2436 set thread context of 3068	2436	csrsll.exe	90
PID 2436 set thread context of 3056	2436	csrsll.exe	91

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4932-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4932-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3168-6-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3168-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3168-11-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4932-15-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/files/0x0008000000023cb1-29.dat	upx
behavioral2/memory/3168-39-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2436-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2436-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3056-47-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3056-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3056-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3056-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2436-57-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3056-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3168-59-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3068-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3056-61-0x0000000000400000-0x0000000000414000-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	4d95ba2778134ece5620414b41fbfa9f1d80bb13ed4111e6a9a31ec3e93289a4N.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4d95ba2778134ece5620414b41fbfa9f1d80bb13ed4111e6a9a31ec3e93289a4N.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	3068	csrsll.exe
Token: SeDebugPrivilege	3068	csrsll.exe
Token: SeDebugPrivilege	3068	csrsll.exe
Token: SeDebugPrivilege	3068	csrsll.exe
Token: SeDebugPrivilege	3068	csrsll.exe
Token: SeDebugPrivilege	3068	csrsll.exe
Token: SeDebugPrivilege	3068	csrsll.exe
Token: SeDebugPrivilege	3068	csrsll.exe
Token: SeDebugPrivilege	3068	csrsll.exe
Token: SeDebugPrivilege	3068	csrsll.exe
Token: SeDebugPrivilege	3068	csrsll.exe
Token: SeDebugPrivilege	3068	csrsll.exe
Token: SeDebugPrivilege	3068	csrsll.exe
Token: SeDebugPrivilege	3068	csrsll.exe
Token: SeDebugPrivilege	3068	csrsll.exe
Token: SeDebugPrivilege	3068	csrsll.exe
Token: SeDebugPrivilege	3068	csrsll.exe
Token: SeDebugPrivilege	3068	csrsll.exe
Token: SeDebugPrivilege	3068	csrsll.exe
Token: SeDebugPrivilege	3068	csrsll.exe
Token: SeDebugPrivilege	3068	csrsll.exe
Token: SeDebugPrivilege	3068	csrsll.exe
Token: SeDebugPrivilege	3068	csrsll.exe
Token: SeDebugPrivilege	3068	csrsll.exe
Token: SeDebugPrivilege	3068	csrsll.exe
Token: SeDebugPrivilege	3068	csrsll.exe
Token: SeDebugPrivilege	3068	csrsll.exe
Token: SeDebugPrivilege	3068	csrsll.exe
Token: SeDebugPrivilege	3068	csrsll.exe
Token: SeDebugPrivilege	3068	csrsll.exe
Token: SeDebugPrivilege	3068	csrsll.exe
Token: SeDebugPrivilege	3068	csrsll.exe
Token: SeDebugPrivilege	3068	csrsll.exe
Token: SeDebugPrivilege	3068	csrsll.exe
Token: SeDebugPrivilege	3068	csrsll.exe
Token: SeDebugPrivilege	3068	csrsll.exe
Token: SeDebugPrivilege	3068	csrsll.exe
Token: SeDebugPrivilege	3068	csrsll.exe
Token: SeDebugPrivilege	3068	csrsll.exe
Token: SeDebugPrivilege	3068	csrsll.exe
Token: SeDebugPrivilege	3068	csrsll.exe
Token: SeDebugPrivilege	3068	csrsll.exe
Token: SeDebugPrivilege	3068	csrsll.exe
Token: SeDebugPrivilege	3068	csrsll.exe
Token: SeDebugPrivilege	3068	csrsll.exe
Token: SeDebugPrivilege	3068	csrsll.exe
Token: SeDebugPrivilege	3068	csrsll.exe
Token: SeDebugPrivilege	3068	csrsll.exe
Token: SeDebugPrivilege	3068	csrsll.exe
Token: SeDebugPrivilege	3068	csrsll.exe
Token: SeDebugPrivilege	3068	csrsll.exe
Token: SeDebugPrivilege	3068	csrsll.exe
Token: SeDebugPrivilege	3068	csrsll.exe
Token: SeDebugPrivilege	3068	csrsll.exe
Token: SeDebugPrivilege	3068	csrsll.exe
Token: SeDebugPrivilege	3068	csrsll.exe
Token: SeDebugPrivilege	3068	csrsll.exe
Token: SeDebugPrivilege	3068	csrsll.exe
Token: SeDebugPrivilege	3068	csrsll.exe
Token: SeDebugPrivilege	3068	csrsll.exe
Token: SeDebugPrivilege	3068	csrsll.exe
Token: SeDebugPrivilege	3068	csrsll.exe
Token: SeDebugPrivilege	3068	csrsll.exe
Token: SeDebugPrivilege	3068	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4932	4d95ba2778134ece5620414b41fbfa9f1d80bb13ed4111e6a9a31ec3e93289a4N.exe
3168	4d95ba2778134ece5620414b41fbfa9f1d80bb13ed4111e6a9a31ec3e93289a4N.exe
2436	csrsll.exe
3068	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 4932 wrote to memory of 3168	4932	4d95ba2778134ece5620414b41fbfa9f1d80bb13ed4111e6a9a31ec3e93289a4N.exe	82
PID 4932 wrote to memory of 3168	4932	4d95ba2778134ece5620414b41fbfa9f1d80bb13ed4111e6a9a31ec3e93289a4N.exe	82
PID 4932 wrote to memory of 3168	4932	4d95ba2778134ece5620414b41fbfa9f1d80bb13ed4111e6a9a31ec3e93289a4N.exe	82
PID 4932 wrote to memory of 3168	4932	4d95ba2778134ece5620414b41fbfa9f1d80bb13ed4111e6a9a31ec3e93289a4N.exe	82
PID 4932 wrote to memory of 3168	4932	4d95ba2778134ece5620414b41fbfa9f1d80bb13ed4111e6a9a31ec3e93289a4N.exe	82
PID 4932 wrote to memory of 3168	4932	4d95ba2778134ece5620414b41fbfa9f1d80bb13ed4111e6a9a31ec3e93289a4N.exe	82
PID 4932 wrote to memory of 3168	4932	4d95ba2778134ece5620414b41fbfa9f1d80bb13ed4111e6a9a31ec3e93289a4N.exe	82
PID 4932 wrote to memory of 3168	4932	4d95ba2778134ece5620414b41fbfa9f1d80bb13ed4111e6a9a31ec3e93289a4N.exe	82
PID 3168 wrote to memory of 5084	3168	4d95ba2778134ece5620414b41fbfa9f1d80bb13ed4111e6a9a31ec3e93289a4N.exe	83
PID 3168 wrote to memory of 5084	3168	4d95ba2778134ece5620414b41fbfa9f1d80bb13ed4111e6a9a31ec3e93289a4N.exe	83
PID 3168 wrote to memory of 5084	3168	4d95ba2778134ece5620414b41fbfa9f1d80bb13ed4111e6a9a31ec3e93289a4N.exe	83
PID 5084 wrote to memory of 1836	5084	cmd.exe	86
PID 5084 wrote to memory of 1836	5084	cmd.exe	86
PID 5084 wrote to memory of 1836	5084	cmd.exe	86
PID 3168 wrote to memory of 2436	3168	4d95ba2778134ece5620414b41fbfa9f1d80bb13ed4111e6a9a31ec3e93289a4N.exe	87
PID 3168 wrote to memory of 2436	3168	4d95ba2778134ece5620414b41fbfa9f1d80bb13ed4111e6a9a31ec3e93289a4N.exe	87
PID 3168 wrote to memory of 2436	3168	4d95ba2778134ece5620414b41fbfa9f1d80bb13ed4111e6a9a31ec3e93289a4N.exe	87
PID 2436 wrote to memory of 3068	2436	csrsll.exe	90
PID 2436 wrote to memory of 3068	2436	csrsll.exe	90
PID 2436 wrote to memory of 3068	2436	csrsll.exe	90
PID 2436 wrote to memory of 3068	2436	csrsll.exe	90
PID 2436 wrote to memory of 3068	2436	csrsll.exe	90
PID 2436 wrote to memory of 3068	2436	csrsll.exe	90
PID 2436 wrote to memory of 3068	2436	csrsll.exe	90
PID 2436 wrote to memory of 3068	2436	csrsll.exe	90
PID 2436 wrote to memory of 3056	2436	csrsll.exe	91
PID 2436 wrote to memory of 3056	2436	csrsll.exe	91
PID 2436 wrote to memory of 3056	2436	csrsll.exe	91
PID 2436 wrote to memory of 3056	2436	csrsll.exe	91
PID 2436 wrote to memory of 3056	2436	csrsll.exe	91
PID 2436 wrote to memory of 3056	2436	csrsll.exe	91
PID 2436 wrote to memory of 3056	2436	csrsll.exe	91
PID 2436 wrote to memory of 3056	2436	csrsll.exe	91

C:\Users\Admin\AppData\Local\Temp\4d95ba2778134ece5620414b41fbfa9f1d80bb13ed4111e6a9a31ec3e93289a4N.exe
"C:\Users\Admin\AppData\Local\Temp\4d95ba2778134ece5620414b41fbfa9f1d80bb13ed4111e6a9a31ec3e93289a4N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4932
- C:\Users\Admin\AppData\Local\Temp\4d95ba2778134ece5620414b41fbfa9f1d80bb13ed4111e6a9a31ec3e93289a4N.exe
  "C:\Users\Admin\AppData\Local\Temp\4d95ba2778134ece5620414b41fbfa9f1d80bb13ed4111e6a9a31ec3e93289a4N.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3168
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\PNRMU.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:5084
  - - 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:1836
- - 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:2436
  - - 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:3068
  - - 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:3056

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\PNRMU.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
f39998ae13c6f5baaf6963a6440e806a

SHA1
12123f9df44fb93b1ce64aa5bb7a5269ecf9fea6

SHA256
2430b4b0cc154e4403d3aa9c2cc93b6f5801868c0d715bab395911fd932b5399

SHA512
e6617356d7341269c69016fb61909845db9dba75498a679a374ad28ed3ceb13f18100a9f91f2a619a0d9908a46b7fcd96baed92bb34e32ca7feb1d20f0986528

Download Submit
memory/2436-57-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2436-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2436-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3056-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3056-47-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3056-61-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3056-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3056-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3056-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3068-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3168-6-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3168-39-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3168-11-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3168-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3168-59-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4932-4-0x00000000021B0000-0x00000000021B2000-memory.dmp

Filesize
8KB

Download
memory/4932-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4932-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4932-3-0x00000000021A0000-0x00000000021A2000-memory.dmp

Filesize
8KB

Download
memory/4932-15-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4932-7-0x00000000021D0000-0x00000000021D2000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads