modiloader | c2794ab125d6c2a409b5af24e2e552c929587fa69cd88b276971c9b32ba7407d

Analysis

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

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
08-12-2024 00:44

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General

Target

c2794ab125d6c2a409b5af24e2e552c929587fa69cd88b276971c9b32ba7407dN.exe
Size

90KB
MD5

7478f73de761c5fa579627938d794c00
SHA1

7b85991b923503e3c064a1338020dc50e4f8f7a9
SHA256

c2794ab125d6c2a409b5af24e2e552c929587fa69cd88b276971c9b32ba7407d
SHA512

e9ee521281b728a12e99c69e292f3ba565f73f025e3d4ccce892c09ce9d9ed7d81b8a08373e0582e129dd238c584abe1e4fc50ca2370a29d0746512874b2219d
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 family
modiloader

ModiLoader Second Stage 4 IoCs

resource	yara_rule
behavioral2/memory/2840-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2840-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2840-56-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2840-63-0x0000000000400000-0x0000000000414000-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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	c2794ab125d6c2a409b5af24e2e552c929587fa69cd88b276971c9b32ba7407dN.exe

Executes dropped EXE 3 IoCs

pid	Process
3484	csrsll.exe
4516	csrsll.exe
2840	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-1-5-21-3350944739-639801879-157714471-1000\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 4724 set thread context of 4776	4724	c2794ab125d6c2a409b5af24e2e552c929587fa69cd88b276971c9b32ba7407dN.exe	83
PID 3484 set thread context of 4516	3484	csrsll.exe	101
PID 3484 set thread context of 2840	3484	csrsll.exe	102

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4724-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4724-4-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4776-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4776-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4724-11-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4776-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000b000000023b74-29.dat	upx
behavioral2/memory/3484-36-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4776-40-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3484-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3484-42-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2840-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2840-46-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2840-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2840-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3484-58-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2840-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4776-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4516-62-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2840-63-0x0000000000400000-0x0000000000414000-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	c2794ab125d6c2a409b5af24e2e552c929587fa69cd88b276971c9b32ba7407dN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c2794ab125d6c2a409b5af24e2e552c929587fa69cd88b276971c9b32ba7407dN.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	4516	csrsll.exe
Token: SeDebugPrivilege	4516	csrsll.exe
Token: SeDebugPrivilege	4516	csrsll.exe
Token: SeDebugPrivilege	4516	csrsll.exe
Token: SeDebugPrivilege	4516	csrsll.exe
Token: SeDebugPrivilege	4516	csrsll.exe
Token: SeDebugPrivilege	4516	csrsll.exe
Token: SeDebugPrivilege	4516	csrsll.exe
Token: SeDebugPrivilege	4516	csrsll.exe
Token: SeDebugPrivilege	4516	csrsll.exe
Token: SeDebugPrivilege	4516	csrsll.exe
Token: SeDebugPrivilege	4516	csrsll.exe
Token: SeDebugPrivilege	4516	csrsll.exe
Token: SeDebugPrivilege	4516	csrsll.exe
Token: SeDebugPrivilege	4516	csrsll.exe
Token: SeDebugPrivilege	4516	csrsll.exe
Token: SeDebugPrivilege	4516	csrsll.exe
Token: SeDebugPrivilege	4516	csrsll.exe
Token: SeDebugPrivilege	4516	csrsll.exe
Token: SeDebugPrivilege	4516	csrsll.exe
Token: SeDebugPrivilege	4516	csrsll.exe
Token: SeDebugPrivilege	4516	csrsll.exe
Token: SeDebugPrivilege	4516	csrsll.exe
Token: SeDebugPrivilege	4516	csrsll.exe
Token: SeDebugPrivilege	4516	csrsll.exe
Token: SeDebugPrivilege	4516	csrsll.exe
Token: SeDebugPrivilege	4516	csrsll.exe
Token: SeDebugPrivilege	4516	csrsll.exe
Token: SeDebugPrivilege	4516	csrsll.exe
Token: SeDebugPrivilege	4516	csrsll.exe
Token: SeDebugPrivilege	4516	csrsll.exe
Token: SeDebugPrivilege	4516	csrsll.exe
Token: SeDebugPrivilege	4516	csrsll.exe
Token: SeDebugPrivilege	4516	csrsll.exe
Token: SeDebugPrivilege	4516	csrsll.exe
Token: SeDebugPrivilege	4516	csrsll.exe
Token: SeDebugPrivilege	4516	csrsll.exe
Token: SeDebugPrivilege	4516	csrsll.exe
Token: SeDebugPrivilege	4516	csrsll.exe
Token: SeDebugPrivilege	4516	csrsll.exe
Token: SeDebugPrivilege	4516	csrsll.exe
Token: SeDebugPrivilege	4516	csrsll.exe
Token: SeDebugPrivilege	4516	csrsll.exe
Token: SeDebugPrivilege	4516	csrsll.exe
Token: SeDebugPrivilege	4516	csrsll.exe
Token: SeDebugPrivilege	4516	csrsll.exe
Token: SeDebugPrivilege	4516	csrsll.exe
Token: SeDebugPrivilege	4516	csrsll.exe
Token: SeDebugPrivilege	4516	csrsll.exe
Token: SeDebugPrivilege	4516	csrsll.exe
Token: SeDebugPrivilege	4516	csrsll.exe
Token: SeDebugPrivilege	4516	csrsll.exe
Token: SeDebugPrivilege	4516	csrsll.exe
Token: SeDebugPrivilege	4516	csrsll.exe
Token: SeDebugPrivilege	4516	csrsll.exe
Token: SeDebugPrivilege	4516	csrsll.exe
Token: SeDebugPrivilege	4516	csrsll.exe
Token: SeDebugPrivilege	4516	csrsll.exe
Token: SeDebugPrivilege	4516	csrsll.exe
Token: SeDebugPrivilege	4516	csrsll.exe
Token: SeDebugPrivilege	4516	csrsll.exe
Token: SeDebugPrivilege	4516	csrsll.exe
Token: SeDebugPrivilege	4516	csrsll.exe
Token: SeDebugPrivilege	4516	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4724	c2794ab125d6c2a409b5af24e2e552c929587fa69cd88b276971c9b32ba7407dN.exe
4776	c2794ab125d6c2a409b5af24e2e552c929587fa69cd88b276971c9b32ba7407dN.exe
3484	csrsll.exe
4516	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 4724 wrote to memory of 4776	4724	c2794ab125d6c2a409b5af24e2e552c929587fa69cd88b276971c9b32ba7407dN.exe	83
PID 4724 wrote to memory of 4776	4724	c2794ab125d6c2a409b5af24e2e552c929587fa69cd88b276971c9b32ba7407dN.exe	83
PID 4724 wrote to memory of 4776	4724	c2794ab125d6c2a409b5af24e2e552c929587fa69cd88b276971c9b32ba7407dN.exe	83
PID 4724 wrote to memory of 4776	4724	c2794ab125d6c2a409b5af24e2e552c929587fa69cd88b276971c9b32ba7407dN.exe	83
PID 4724 wrote to memory of 4776	4724	c2794ab125d6c2a409b5af24e2e552c929587fa69cd88b276971c9b32ba7407dN.exe	83
PID 4724 wrote to memory of 4776	4724	c2794ab125d6c2a409b5af24e2e552c929587fa69cd88b276971c9b32ba7407dN.exe	83
PID 4724 wrote to memory of 4776	4724	c2794ab125d6c2a409b5af24e2e552c929587fa69cd88b276971c9b32ba7407dN.exe	83
PID 4724 wrote to memory of 4776	4724	c2794ab125d6c2a409b5af24e2e552c929587fa69cd88b276971c9b32ba7407dN.exe	83
PID 4776 wrote to memory of 1652	4776	c2794ab125d6c2a409b5af24e2e552c929587fa69cd88b276971c9b32ba7407dN.exe	84
PID 4776 wrote to memory of 1652	4776	c2794ab125d6c2a409b5af24e2e552c929587fa69cd88b276971c9b32ba7407dN.exe	84
PID 4776 wrote to memory of 1652	4776	c2794ab125d6c2a409b5af24e2e552c929587fa69cd88b276971c9b32ba7407dN.exe	84
PID 1652 wrote to memory of 2152	1652	cmd.exe	88
PID 1652 wrote to memory of 2152	1652	cmd.exe	88
PID 1652 wrote to memory of 2152	1652	cmd.exe	88
PID 4776 wrote to memory of 3484	4776	c2794ab125d6c2a409b5af24e2e552c929587fa69cd88b276971c9b32ba7407dN.exe	89
PID 4776 wrote to memory of 3484	4776	c2794ab125d6c2a409b5af24e2e552c929587fa69cd88b276971c9b32ba7407dN.exe	89
PID 4776 wrote to memory of 3484	4776	c2794ab125d6c2a409b5af24e2e552c929587fa69cd88b276971c9b32ba7407dN.exe	89
PID 3484 wrote to memory of 4516	3484	csrsll.exe	101
PID 3484 wrote to memory of 4516	3484	csrsll.exe	101
PID 3484 wrote to memory of 4516	3484	csrsll.exe	101
PID 3484 wrote to memory of 4516	3484	csrsll.exe	101
PID 3484 wrote to memory of 4516	3484	csrsll.exe	101
PID 3484 wrote to memory of 4516	3484	csrsll.exe	101
PID 3484 wrote to memory of 4516	3484	csrsll.exe	101
PID 3484 wrote to memory of 4516	3484	csrsll.exe	101
PID 3484 wrote to memory of 2840	3484	csrsll.exe	102
PID 3484 wrote to memory of 2840	3484	csrsll.exe	102
PID 3484 wrote to memory of 2840	3484	csrsll.exe	102
PID 3484 wrote to memory of 2840	3484	csrsll.exe	102
PID 3484 wrote to memory of 2840	3484	csrsll.exe	102
PID 3484 wrote to memory of 2840	3484	csrsll.exe	102
PID 3484 wrote to memory of 2840	3484	csrsll.exe	102
PID 3484 wrote to memory of 2840	3484	csrsll.exe	102

C:\Users\Admin\AppData\Local\Temp\c2794ab125d6c2a409b5af24e2e552c929587fa69cd88b276971c9b32ba7407dN.exe
"C:\Users\Admin\AppData\Local\Temp\c2794ab125d6c2a409b5af24e2e552c929587fa69cd88b276971c9b32ba7407dN.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4724
- C:\Users\Admin\AppData\Local\Temp\c2794ab125d6c2a409b5af24e2e552c929587fa69cd88b276971c9b32ba7407dN.exe
  "C:\Users\Admin\AppData\Local\Temp\c2794ab125d6c2a409b5af24e2e552c929587fa69cd88b276971c9b32ba7407dN.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4776
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\DNSLB.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1652
  - - 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:2152
- - 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:3484
  - - 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:4516
  - - 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:2840

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\DNSLB.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
752d689cedf27a27df64a543fe8622dc

SHA1
c24ba6b0531819e45cae17ceda574567603b5cf3

SHA256
72eef10b3b5b8e5407d5554ec5b2d3ce8dd8a28f85b4d626bc9eb973d24a81f4

SHA512
50657a8472e2a0d11d1cb4a234465d5d51733e8f08f8b80af7620ae8fd9992f4e5132882a1b99d399fc325fe43674439e43f737036bd62acaab131dfccf45fc4

Download Submit
memory/2840-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2840-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2840-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2840-46-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2840-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2840-63-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3484-42-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3484-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3484-58-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3484-36-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4516-62-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4724-11-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4724-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4724-6-0x0000000002330000-0x0000000002332000-memory.dmp

Filesize
8KB

Download
memory/4724-4-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4724-5-0x0000000002320000-0x0000000002322000-memory.dmp

Filesize
8KB

Download
memory/4724-3-0x00000000022F0000-0x00000000022F2000-memory.dmp

Filesize
8KB

Download
memory/4776-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4776-40-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4776-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4776-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4776-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads