modiloader | 67452ec07f278c951d0ff96e6b707e9be5452e9ecf99fdbbfacc5b6264ed659e

Analysis

max time kernel
118s
max time network
121s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
26-12-2024 13:23

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General

Target

67452ec07f278c951d0ff96e6b707e9be5452e9ecf99fdbbfacc5b6264ed659eN.exe
Size

90KB
MD5

69f355388d83f35e723fdb6ee5f0cdf0
SHA1

f36d4204568418ae7a2f28b0704fb52ea57134cb
SHA256

67452ec07f278c951d0ff96e6b707e9be5452e9ecf99fdbbfacc5b6264ed659e
SHA512

0b29ec7532c4101e61758a9ef2f7a0603d106afd2a283432675bca087f167c76b0311d8c7f8373d9df5371ce36ac28fddb8368d79cd139a8513887c26a77b4d0
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDu:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3U

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/4708-56-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4708-57-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4708-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4708-62-0x0000000000400000-0x0000000000414000-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-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	67452ec07f278c951d0ff96e6b707e9be5452e9ecf99fdbbfacc5b6264ed659eN.exe

Executes dropped EXE 3 IoCs

pid	Process
3440	csrsll.exe
1860	csrsll.exe
4708	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-1-5-21-940901362-3608833189-1915618603-1000\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 4992 set thread context of 3832	4992	67452ec07f278c951d0ff96e6b707e9be5452e9ecf99fdbbfacc5b6264ed659eN.exe	88
PID 3440 set thread context of 1860	3440	csrsll.exe	100
PID 3440 set thread context of 4708	3440	csrsll.exe	101

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4992-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4992-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3832-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3832-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3832-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4992-12-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/files/0x0008000000023cb3-29.dat	upx
behavioral2/memory/3832-39-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3440-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3440-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4708-46-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4708-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4708-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4708-57-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4708-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3440-55-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3832-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1860-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4708-62-0x0000000000400000-0x0000000000414000-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	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	67452ec07f278c951d0ff96e6b707e9be5452e9ecf99fdbbfacc5b6264ed659eN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	67452ec07f278c951d0ff96e6b707e9be5452e9ecf99fdbbfacc5b6264ed659eN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	1860	csrsll.exe
Token: SeDebugPrivilege	1860	csrsll.exe
Token: SeDebugPrivilege	1860	csrsll.exe
Token: SeDebugPrivilege	1860	csrsll.exe
Token: SeDebugPrivilege	1860	csrsll.exe
Token: SeDebugPrivilege	1860	csrsll.exe
Token: SeDebugPrivilege	1860	csrsll.exe
Token: SeDebugPrivilege	1860	csrsll.exe
Token: SeDebugPrivilege	1860	csrsll.exe
Token: SeDebugPrivilege	1860	csrsll.exe
Token: SeDebugPrivilege	1860	csrsll.exe
Token: SeDebugPrivilege	1860	csrsll.exe
Token: SeDebugPrivilege	1860	csrsll.exe
Token: SeDebugPrivilege	1860	csrsll.exe
Token: SeDebugPrivilege	1860	csrsll.exe
Token: SeDebugPrivilege	1860	csrsll.exe
Token: SeDebugPrivilege	1860	csrsll.exe
Token: SeDebugPrivilege	1860	csrsll.exe
Token: SeDebugPrivilege	1860	csrsll.exe
Token: SeDebugPrivilege	1860	csrsll.exe
Token: SeDebugPrivilege	1860	csrsll.exe
Token: SeDebugPrivilege	1860	csrsll.exe
Token: SeDebugPrivilege	1860	csrsll.exe
Token: SeDebugPrivilege	1860	csrsll.exe
Token: SeDebugPrivilege	1860	csrsll.exe
Token: SeDebugPrivilege	1860	csrsll.exe
Token: SeDebugPrivilege	1860	csrsll.exe
Token: SeDebugPrivilege	1860	csrsll.exe
Token: SeDebugPrivilege	1860	csrsll.exe
Token: SeDebugPrivilege	1860	csrsll.exe
Token: SeDebugPrivilege	1860	csrsll.exe
Token: SeDebugPrivilege	1860	csrsll.exe
Token: SeDebugPrivilege	1860	csrsll.exe
Token: SeDebugPrivilege	1860	csrsll.exe
Token: SeDebugPrivilege	1860	csrsll.exe
Token: SeDebugPrivilege	1860	csrsll.exe
Token: SeDebugPrivilege	1860	csrsll.exe
Token: SeDebugPrivilege	1860	csrsll.exe
Token: SeDebugPrivilege	1860	csrsll.exe
Token: SeDebugPrivilege	1860	csrsll.exe
Token: SeDebugPrivilege	1860	csrsll.exe
Token: SeDebugPrivilege	1860	csrsll.exe
Token: SeDebugPrivilege	1860	csrsll.exe
Token: SeDebugPrivilege	1860	csrsll.exe
Token: SeDebugPrivilege	1860	csrsll.exe
Token: SeDebugPrivilege	1860	csrsll.exe
Token: SeDebugPrivilege	1860	csrsll.exe
Token: SeDebugPrivilege	1860	csrsll.exe
Token: SeDebugPrivilege	1860	csrsll.exe
Token: SeDebugPrivilege	1860	csrsll.exe
Token: SeDebugPrivilege	1860	csrsll.exe
Token: SeDebugPrivilege	1860	csrsll.exe
Token: SeDebugPrivilege	1860	csrsll.exe
Token: SeDebugPrivilege	1860	csrsll.exe
Token: SeDebugPrivilege	1860	csrsll.exe
Token: SeDebugPrivilege	1860	csrsll.exe
Token: SeDebugPrivilege	1860	csrsll.exe
Token: SeDebugPrivilege	1860	csrsll.exe
Token: SeDebugPrivilege	1860	csrsll.exe
Token: SeDebugPrivilege	1860	csrsll.exe
Token: SeDebugPrivilege	1860	csrsll.exe
Token: SeDebugPrivilege	1860	csrsll.exe
Token: SeDebugPrivilege	1860	csrsll.exe
Token: SeDebugPrivilege	1860	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4992	67452ec07f278c951d0ff96e6b707e9be5452e9ecf99fdbbfacc5b6264ed659eN.exe
3832	67452ec07f278c951d0ff96e6b707e9be5452e9ecf99fdbbfacc5b6264ed659eN.exe
3440	csrsll.exe
1860	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 4992 wrote to memory of 3832	4992	67452ec07f278c951d0ff96e6b707e9be5452e9ecf99fdbbfacc5b6264ed659eN.exe	88
PID 4992 wrote to memory of 3832	4992	67452ec07f278c951d0ff96e6b707e9be5452e9ecf99fdbbfacc5b6264ed659eN.exe	88
PID 4992 wrote to memory of 3832	4992	67452ec07f278c951d0ff96e6b707e9be5452e9ecf99fdbbfacc5b6264ed659eN.exe	88
PID 4992 wrote to memory of 3832	4992	67452ec07f278c951d0ff96e6b707e9be5452e9ecf99fdbbfacc5b6264ed659eN.exe	88
PID 4992 wrote to memory of 3832	4992	67452ec07f278c951d0ff96e6b707e9be5452e9ecf99fdbbfacc5b6264ed659eN.exe	88
PID 4992 wrote to memory of 3832	4992	67452ec07f278c951d0ff96e6b707e9be5452e9ecf99fdbbfacc5b6264ed659eN.exe	88
PID 4992 wrote to memory of 3832	4992	67452ec07f278c951d0ff96e6b707e9be5452e9ecf99fdbbfacc5b6264ed659eN.exe	88
PID 4992 wrote to memory of 3832	4992	67452ec07f278c951d0ff96e6b707e9be5452e9ecf99fdbbfacc5b6264ed659eN.exe	88
PID 3832 wrote to memory of 2252	3832	67452ec07f278c951d0ff96e6b707e9be5452e9ecf99fdbbfacc5b6264ed659eN.exe	89
PID 3832 wrote to memory of 2252	3832	67452ec07f278c951d0ff96e6b707e9be5452e9ecf99fdbbfacc5b6264ed659eN.exe	89
PID 3832 wrote to memory of 2252	3832	67452ec07f278c951d0ff96e6b707e9be5452e9ecf99fdbbfacc5b6264ed659eN.exe	89
PID 2252 wrote to memory of 3968	2252	cmd.exe	93
PID 2252 wrote to memory of 3968	2252	cmd.exe	93
PID 2252 wrote to memory of 3968	2252	cmd.exe	93
PID 3832 wrote to memory of 3440	3832	67452ec07f278c951d0ff96e6b707e9be5452e9ecf99fdbbfacc5b6264ed659eN.exe	94
PID 3832 wrote to memory of 3440	3832	67452ec07f278c951d0ff96e6b707e9be5452e9ecf99fdbbfacc5b6264ed659eN.exe	94
PID 3832 wrote to memory of 3440	3832	67452ec07f278c951d0ff96e6b707e9be5452e9ecf99fdbbfacc5b6264ed659eN.exe	94
PID 3440 wrote to memory of 1860	3440	csrsll.exe	100
PID 3440 wrote to memory of 1860	3440	csrsll.exe	100
PID 3440 wrote to memory of 1860	3440	csrsll.exe	100
PID 3440 wrote to memory of 1860	3440	csrsll.exe	100
PID 3440 wrote to memory of 1860	3440	csrsll.exe	100
PID 3440 wrote to memory of 1860	3440	csrsll.exe	100
PID 3440 wrote to memory of 1860	3440	csrsll.exe	100
PID 3440 wrote to memory of 1860	3440	csrsll.exe	100
PID 3440 wrote to memory of 4708	3440	csrsll.exe	101
PID 3440 wrote to memory of 4708	3440	csrsll.exe	101
PID 3440 wrote to memory of 4708	3440	csrsll.exe	101
PID 3440 wrote to memory of 4708	3440	csrsll.exe	101
PID 3440 wrote to memory of 4708	3440	csrsll.exe	101
PID 3440 wrote to memory of 4708	3440	csrsll.exe	101
PID 3440 wrote to memory of 4708	3440	csrsll.exe	101
PID 3440 wrote to memory of 4708	3440	csrsll.exe	101

C:\Users\Admin\AppData\Local\Temp\67452ec07f278c951d0ff96e6b707e9be5452e9ecf99fdbbfacc5b6264ed659eN.exe
"C:\Users\Admin\AppData\Local\Temp\67452ec07f278c951d0ff96e6b707e9be5452e9ecf99fdbbfacc5b6264ed659eN.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4992
- C:\Users\Admin\AppData\Local\Temp\67452ec07f278c951d0ff96e6b707e9be5452e9ecf99fdbbfacc5b6264ed659eN.exe
  "C:\Users\Admin\AppData\Local\Temp\67452ec07f278c951d0ff96e6b707e9be5452e9ecf99fdbbfacc5b6264ed659eN.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3832
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\HDYCQ.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2252
  - - 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:3968
- - 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:3440
  - - 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:1860
  - - 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:4708

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\HDYCQ.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
0e728ce4950312ebe91a518c00f8014f

SHA1
cfcfdf156f2e367e8d9e02f409ef5158063a29e8

SHA256
0eb251a2b3116cb84cb074968a230cbfd3d12f8b55caa4c98c5b0614d9631671

SHA512
858389b3b03b02e4edf984074af8b6c2bbf6effe26aeff9d6541c33e68ac195c99808e426243a2744cf0eeb0c4db874ec9f3bef61c976398703c2d5d56944f1b

Download Submit
memory/1860-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3440-55-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3440-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3440-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3832-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3832-39-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3832-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3832-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3832-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4708-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4708-46-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4708-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4708-57-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4708-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4708-62-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4992-6-0x0000000002440000-0x0000000002442000-memory.dmp

Filesize
8KB

Download
memory/4992-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4992-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4992-4-0x0000000002310000-0x0000000002312000-memory.dmp

Filesize
8KB

Download
memory/4992-12-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4992-3-0x0000000002300000-0x0000000002302000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads