modiloader | 7ceb394645cdda9095afe87f70b5ddda728cb81854be933f723c1ca1a1ca3bd7

Analysis

max time kernel
118s
max time network
118s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
06-12-2024 13:28

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General

Target

7ceb394645cdda9095afe87f70b5ddda728cb81854be933f723c1ca1a1ca3bd7N.exe
Size

90KB
MD5

c29914ba319913fd566aa96c32ba8660
SHA1

9ee434fb74d2328251ddee84178fb1e58269433b
SHA256

7ceb394645cdda9095afe87f70b5ddda728cb81854be933f723c1ca1a1ca3bd7
SHA512

b676b14385ad10ba268022f411b01b1c37e6a9d7925350d155d758b716f19ba7b9f778c47bb11be5bad17cf38286f244b724790e0b155b5349a40939b1416756
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDg:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3+

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/4428-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4428-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4428-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4428-62-0x0000000000400000-0x0000000000414000-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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	7ceb394645cdda9095afe87f70b5ddda728cb81854be933f723c1ca1a1ca3bd7N.exe

Executes dropped EXE 3 IoCs

pid	Process
4212	csrsll.exe
1960	csrsll.exe
4428	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 1212 set thread context of 3168	1212	7ceb394645cdda9095afe87f70b5ddda728cb81854be933f723c1ca1a1ca3bd7N.exe	82
PID 4212 set thread context of 1960	4212	csrsll.exe	93
PID 4212 set thread context of 4428	4212	csrsll.exe	94

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1212-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1212-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3168-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3168-10-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1212-13-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3168-14-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0008000000023cb2-30.dat	upx
behavioral2/memory/3168-40-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4212-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4212-42-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4428-47-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4428-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4428-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4428-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4428-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4212-58-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3168-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1960-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4428-62-0x0000000000400000-0x0000000000414000-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	7ceb394645cdda9095afe87f70b5ddda728cb81854be933f723c1ca1a1ca3bd7N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7ceb394645cdda9095afe87f70b5ddda728cb81854be933f723c1ca1a1ca3bd7N.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	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe
Token: SeDebugPrivilege	1960	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1212	7ceb394645cdda9095afe87f70b5ddda728cb81854be933f723c1ca1a1ca3bd7N.exe
3168	7ceb394645cdda9095afe87f70b5ddda728cb81854be933f723c1ca1a1ca3bd7N.exe
4212	csrsll.exe
1960	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 1212 wrote to memory of 3168	1212	7ceb394645cdda9095afe87f70b5ddda728cb81854be933f723c1ca1a1ca3bd7N.exe	82
PID 1212 wrote to memory of 3168	1212	7ceb394645cdda9095afe87f70b5ddda728cb81854be933f723c1ca1a1ca3bd7N.exe	82
PID 1212 wrote to memory of 3168	1212	7ceb394645cdda9095afe87f70b5ddda728cb81854be933f723c1ca1a1ca3bd7N.exe	82
PID 1212 wrote to memory of 3168	1212	7ceb394645cdda9095afe87f70b5ddda728cb81854be933f723c1ca1a1ca3bd7N.exe	82
PID 1212 wrote to memory of 3168	1212	7ceb394645cdda9095afe87f70b5ddda728cb81854be933f723c1ca1a1ca3bd7N.exe	82
PID 1212 wrote to memory of 3168	1212	7ceb394645cdda9095afe87f70b5ddda728cb81854be933f723c1ca1a1ca3bd7N.exe	82
PID 1212 wrote to memory of 3168	1212	7ceb394645cdda9095afe87f70b5ddda728cb81854be933f723c1ca1a1ca3bd7N.exe	82
PID 1212 wrote to memory of 3168	1212	7ceb394645cdda9095afe87f70b5ddda728cb81854be933f723c1ca1a1ca3bd7N.exe	82
PID 3168 wrote to memory of 4608	3168	7ceb394645cdda9095afe87f70b5ddda728cb81854be933f723c1ca1a1ca3bd7N.exe	83
PID 3168 wrote to memory of 4608	3168	7ceb394645cdda9095afe87f70b5ddda728cb81854be933f723c1ca1a1ca3bd7N.exe	83
PID 3168 wrote to memory of 4608	3168	7ceb394645cdda9095afe87f70b5ddda728cb81854be933f723c1ca1a1ca3bd7N.exe	83
PID 4608 wrote to memory of 3264	4608	cmd.exe	86
PID 4608 wrote to memory of 3264	4608	cmd.exe	86
PID 4608 wrote to memory of 3264	4608	cmd.exe	86
PID 3168 wrote to memory of 4212	3168	7ceb394645cdda9095afe87f70b5ddda728cb81854be933f723c1ca1a1ca3bd7N.exe	87
PID 3168 wrote to memory of 4212	3168	7ceb394645cdda9095afe87f70b5ddda728cb81854be933f723c1ca1a1ca3bd7N.exe	87
PID 3168 wrote to memory of 4212	3168	7ceb394645cdda9095afe87f70b5ddda728cb81854be933f723c1ca1a1ca3bd7N.exe	87
PID 4212 wrote to memory of 1960	4212	csrsll.exe	93
PID 4212 wrote to memory of 1960	4212	csrsll.exe	93
PID 4212 wrote to memory of 1960	4212	csrsll.exe	93
PID 4212 wrote to memory of 1960	4212	csrsll.exe	93
PID 4212 wrote to memory of 1960	4212	csrsll.exe	93
PID 4212 wrote to memory of 1960	4212	csrsll.exe	93
PID 4212 wrote to memory of 1960	4212	csrsll.exe	93
PID 4212 wrote to memory of 1960	4212	csrsll.exe	93
PID 4212 wrote to memory of 4428	4212	csrsll.exe	94
PID 4212 wrote to memory of 4428	4212	csrsll.exe	94
PID 4212 wrote to memory of 4428	4212	csrsll.exe	94
PID 4212 wrote to memory of 4428	4212	csrsll.exe	94
PID 4212 wrote to memory of 4428	4212	csrsll.exe	94
PID 4212 wrote to memory of 4428	4212	csrsll.exe	94
PID 4212 wrote to memory of 4428	4212	csrsll.exe	94
PID 4212 wrote to memory of 4428	4212	csrsll.exe	94

C:\Users\Admin\AppData\Local\Temp\7ceb394645cdda9095afe87f70b5ddda728cb81854be933f723c1ca1a1ca3bd7N.exe
"C:\Users\Admin\AppData\Local\Temp\7ceb394645cdda9095afe87f70b5ddda728cb81854be933f723c1ca1a1ca3bd7N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1212
- C:\Users\Admin\AppData\Local\Temp\7ceb394645cdda9095afe87f70b5ddda728cb81854be933f723c1ca1a1ca3bd7N.exe
  "C:\Users\Admin\AppData\Local\Temp\7ceb394645cdda9095afe87f70b5ddda728cb81854be933f723c1ca1a1ca3bd7N.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\NKJNA.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4608
  - - 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:3264
- - 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:4212
  - - 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:1960
  - - 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:4428

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\NKJNA.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
27cc53ea879700e25e57e56ff200f361

SHA1
f2f106d1a33bf3833f431a489d8da39472774048

SHA256
c3732c3acf041755411411038b9298690ae7dd47106d4cb2f6a5491ad47cdf3b

SHA512
96759067ad65afc83803d431de44cf9df3282eda3617d633a5f54df1107a19765671b161e406c67293cc374d6d166b519c53f18045ef88a1f57f6ea5f74fc8d8

Download Submit
memory/1212-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1212-6-0x0000000002B70000-0x0000000002B72000-memory.dmp

Filesize
8KB

Download
memory/1212-13-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1212-4-0x0000000002300000-0x0000000002302000-memory.dmp

Filesize
8KB

Download
memory/1212-3-0x00000000022F0000-0x00000000022F2000-memory.dmp

Filesize
8KB

Download
memory/1212-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1960-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3168-59-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/3168-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3168-10-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3168-14-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3168-40-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3168-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4212-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4212-58-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4212-42-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4428-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4428-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4428-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4428-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4428-47-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4428-62-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads