modiloader | ecd9695ae12371a81f2d8876fda3e8b5d08efb611cae88a97fea9e5a964e5b6c

Analysis

max time kernel
119s
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 11:35

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General

Target

ecd9695ae12371a81f2d8876fda3e8b5d08efb611cae88a97fea9e5a964e5b6cN.exe
Size

90KB
MD5

e722c6ea6b0feea8517a6a4d3c59d170
SHA1

f834bb95fe8f058930b6ea5f293e401226f4804e
SHA256

ecd9695ae12371a81f2d8876fda3e8b5d08efb611cae88a97fea9e5a964e5b6c
SHA512

0dc76954d2a694c11478345462f784e79a7c2708c3a35fc2cf2b554ba979893b259e83431e89a76359e09cc707a26d9b039a7a585e614c81d944274c5e0fbbd5
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDd:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3n

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/1488-59-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1488-58-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1488-57-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1488-66-0x0000000000400000-0x0000000000414000-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	ecd9695ae12371a81f2d8876fda3e8b5d08efb611cae88a97fea9e5a964e5b6cN.exe

Executes dropped EXE 3 IoCs

pid	Process
1148	csrsll.exe
2556	csrsll.exe
1488	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 2708 set thread context of 2588	2708	ecd9695ae12371a81f2d8876fda3e8b5d08efb611cae88a97fea9e5a964e5b6cN.exe	82
PID 1148 set thread context of 2556	1148	csrsll.exe	93
PID 1148 set thread context of 1488	1148	csrsll.exe	94

UPX packed file 21 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2708-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2708-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2588-8-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2588-10-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2708-14-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2588-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000b000000023b7a-30.dat	upx
behavioral2/memory/1148-37-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2588-41-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1148-42-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1148-43-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1488-48-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2556-56-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1488-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1488-59-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1148-61-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1488-58-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1488-57-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2588-64-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2556-65-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1488-66-0x0000000000400000-0x0000000000414000-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	ecd9695ae12371a81f2d8876fda3e8b5d08efb611cae88a97fea9e5a964e5b6cN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ecd9695ae12371a81f2d8876fda3e8b5d08efb611cae88a97fea9e5a964e5b6cN.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	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe
Token: SeDebugPrivilege	2556	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2708	ecd9695ae12371a81f2d8876fda3e8b5d08efb611cae88a97fea9e5a964e5b6cN.exe
2588	ecd9695ae12371a81f2d8876fda3e8b5d08efb611cae88a97fea9e5a964e5b6cN.exe
1148	csrsll.exe
2556	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 2708 wrote to memory of 2588	2708	ecd9695ae12371a81f2d8876fda3e8b5d08efb611cae88a97fea9e5a964e5b6cN.exe	82
PID 2708 wrote to memory of 2588	2708	ecd9695ae12371a81f2d8876fda3e8b5d08efb611cae88a97fea9e5a964e5b6cN.exe	82
PID 2708 wrote to memory of 2588	2708	ecd9695ae12371a81f2d8876fda3e8b5d08efb611cae88a97fea9e5a964e5b6cN.exe	82
PID 2708 wrote to memory of 2588	2708	ecd9695ae12371a81f2d8876fda3e8b5d08efb611cae88a97fea9e5a964e5b6cN.exe	82
PID 2708 wrote to memory of 2588	2708	ecd9695ae12371a81f2d8876fda3e8b5d08efb611cae88a97fea9e5a964e5b6cN.exe	82
PID 2708 wrote to memory of 2588	2708	ecd9695ae12371a81f2d8876fda3e8b5d08efb611cae88a97fea9e5a964e5b6cN.exe	82
PID 2708 wrote to memory of 2588	2708	ecd9695ae12371a81f2d8876fda3e8b5d08efb611cae88a97fea9e5a964e5b6cN.exe	82
PID 2708 wrote to memory of 2588	2708	ecd9695ae12371a81f2d8876fda3e8b5d08efb611cae88a97fea9e5a964e5b6cN.exe	82
PID 2588 wrote to memory of 3216	2588	ecd9695ae12371a81f2d8876fda3e8b5d08efb611cae88a97fea9e5a964e5b6cN.exe	83
PID 2588 wrote to memory of 3216	2588	ecd9695ae12371a81f2d8876fda3e8b5d08efb611cae88a97fea9e5a964e5b6cN.exe	83
PID 2588 wrote to memory of 3216	2588	ecd9695ae12371a81f2d8876fda3e8b5d08efb611cae88a97fea9e5a964e5b6cN.exe	83
PID 3216 wrote to memory of 2096	3216	cmd.exe	86
PID 3216 wrote to memory of 2096	3216	cmd.exe	86
PID 3216 wrote to memory of 2096	3216	cmd.exe	86
PID 2588 wrote to memory of 1148	2588	ecd9695ae12371a81f2d8876fda3e8b5d08efb611cae88a97fea9e5a964e5b6cN.exe	87
PID 2588 wrote to memory of 1148	2588	ecd9695ae12371a81f2d8876fda3e8b5d08efb611cae88a97fea9e5a964e5b6cN.exe	87
PID 2588 wrote to memory of 1148	2588	ecd9695ae12371a81f2d8876fda3e8b5d08efb611cae88a97fea9e5a964e5b6cN.exe	87
PID 1148 wrote to memory of 2556	1148	csrsll.exe	93
PID 1148 wrote to memory of 2556	1148	csrsll.exe	93
PID 1148 wrote to memory of 2556	1148	csrsll.exe	93
PID 1148 wrote to memory of 2556	1148	csrsll.exe	93
PID 1148 wrote to memory of 2556	1148	csrsll.exe	93
PID 1148 wrote to memory of 2556	1148	csrsll.exe	93
PID 1148 wrote to memory of 2556	1148	csrsll.exe	93
PID 1148 wrote to memory of 2556	1148	csrsll.exe	93
PID 1148 wrote to memory of 1488	1148	csrsll.exe	94
PID 1148 wrote to memory of 1488	1148	csrsll.exe	94
PID 1148 wrote to memory of 1488	1148	csrsll.exe	94
PID 1148 wrote to memory of 1488	1148	csrsll.exe	94
PID 1148 wrote to memory of 1488	1148	csrsll.exe	94
PID 1148 wrote to memory of 1488	1148	csrsll.exe	94
PID 1148 wrote to memory of 1488	1148	csrsll.exe	94
PID 1148 wrote to memory of 1488	1148	csrsll.exe	94

C:\Users\Admin\AppData\Local\Temp\ecd9695ae12371a81f2d8876fda3e8b5d08efb611cae88a97fea9e5a964e5b6cN.exe
"C:\Users\Admin\AppData\Local\Temp\ecd9695ae12371a81f2d8876fda3e8b5d08efb611cae88a97fea9e5a964e5b6cN.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2708
- C:\Users\Admin\AppData\Local\Temp\ecd9695ae12371a81f2d8876fda3e8b5d08efb611cae88a97fea9e5a964e5b6cN.exe
  "C:\Users\Admin\AppData\Local\Temp\ecd9695ae12371a81f2d8876fda3e8b5d08efb611cae88a97fea9e5a964e5b6cN.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2588
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\QDHCA.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3216
  - - 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:2096
- - 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:1148
  - - 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:2556
  - - 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:1488

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\QDHCA.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
0a81d0eb113cbf57abbb2381fa1423d2

SHA1
5eb25d280aeaf7e823c43dbbf5f9f52bf989344b

SHA256
beffa548f3480cbb176e5778b29d9536d87a009788e2944407c13e4830cfd1d5

SHA512
8bcefdf793f717b2480681810cb2e73ebca76d441d2a263d32089e898db77ec4595f34a5f0ad1c0ecc70b42b904e9a94ccafd49cf01caf066bde24f33916d9a9

Download Submit
memory/1148-61-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1148-43-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1148-42-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1148-37-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1488-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1488-59-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1488-66-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1488-57-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1488-48-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1488-58-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2556-65-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2556-56-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2588-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2588-8-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2588-10-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2588-41-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2588-64-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2708-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2708-3-0x0000000002400000-0x0000000002402000-memory.dmp

Filesize
8KB

Download
memory/2708-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2708-4-0x0000000002510000-0x0000000002512000-memory.dmp

Filesize
8KB

Download
memory/2708-7-0x0000000002530000-0x0000000002532000-memory.dmp

Filesize
8KB

Download
memory/2708-6-0x0000000002520000-0x0000000002522000-memory.dmp

Filesize
8KB

Download
memory/2708-14-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads