modiloader | 5163763d299e5e29699064af3ec8de1134b69bda99e88de3878933ab844421e7

Analysis

max time kernel
119s
max time network
125s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
05-12-2024 02:13

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General

Target

5163763d299e5e29699064af3ec8de1134b69bda99e88de3878933ab844421e7.exe
Size

90KB
MD5

ceb292ae76d5ab1ae452d82bd643f8a1
SHA1

9dc05866d47f9e1504ec91593a0cc74cb53a286f
SHA256

5163763d299e5e29699064af3ec8de1134b69bda99e88de3878933ab844421e7
SHA512

5fbfef5f7208ef89d5c5096ca47ecdad8682b9a1e74868dc1320563ebce745a8fd8d4ce14604b78926f7c56090142f4227ae7b3738b48556cfb6930555a3ef7d
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDB: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/1856-56-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1856-51-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1856-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1856-61-0x0000000000400000-0x0000000000414000-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-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	5163763d299e5e29699064af3ec8de1134b69bda99e88de3878933ab844421e7.exe

Executes dropped EXE 3 IoCs

pid	Process
112	csrsll.exe
1088	csrsll.exe
1856	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 4820 set thread context of 4124	4820	5163763d299e5e29699064af3ec8de1134b69bda99e88de3878933ab844421e7.exe	88
PID 112 set thread context of 1088	112	csrsll.exe	100
PID 112 set thread context of 1856	112	csrsll.exe	101

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4820-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4820-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4124-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4124-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4820-12-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4124-11-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0008000000023cc9-28.dat	upx
behavioral2/memory/4124-38-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/112-39-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/112-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1856-44-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1856-49-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/112-54-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1856-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1856-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1856-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4124-59-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1088-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1856-61-0x0000000000400000-0x0000000000414000-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	5163763d299e5e29699064af3ec8de1134b69bda99e88de3878933ab844421e7.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	5163763d299e5e29699064af3ec8de1134b69bda99e88de3878933ab844421e7.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4820	5163763d299e5e29699064af3ec8de1134b69bda99e88de3878933ab844421e7.exe
4124	5163763d299e5e29699064af3ec8de1134b69bda99e88de3878933ab844421e7.exe
112	csrsll.exe
1088	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 4820 wrote to memory of 4124	4820	5163763d299e5e29699064af3ec8de1134b69bda99e88de3878933ab844421e7.exe	88
PID 4820 wrote to memory of 4124	4820	5163763d299e5e29699064af3ec8de1134b69bda99e88de3878933ab844421e7.exe	88
PID 4820 wrote to memory of 4124	4820	5163763d299e5e29699064af3ec8de1134b69bda99e88de3878933ab844421e7.exe	88
PID 4820 wrote to memory of 4124	4820	5163763d299e5e29699064af3ec8de1134b69bda99e88de3878933ab844421e7.exe	88
PID 4820 wrote to memory of 4124	4820	5163763d299e5e29699064af3ec8de1134b69bda99e88de3878933ab844421e7.exe	88
PID 4820 wrote to memory of 4124	4820	5163763d299e5e29699064af3ec8de1134b69bda99e88de3878933ab844421e7.exe	88
PID 4820 wrote to memory of 4124	4820	5163763d299e5e29699064af3ec8de1134b69bda99e88de3878933ab844421e7.exe	88
PID 4820 wrote to memory of 4124	4820	5163763d299e5e29699064af3ec8de1134b69bda99e88de3878933ab844421e7.exe	88
PID 4124 wrote to memory of 2584	4124	5163763d299e5e29699064af3ec8de1134b69bda99e88de3878933ab844421e7.exe	91
PID 4124 wrote to memory of 2584	4124	5163763d299e5e29699064af3ec8de1134b69bda99e88de3878933ab844421e7.exe	91
PID 4124 wrote to memory of 2584	4124	5163763d299e5e29699064af3ec8de1134b69bda99e88de3878933ab844421e7.exe	91
PID 2584 wrote to memory of 208	2584	cmd.exe	95
PID 2584 wrote to memory of 208	2584	cmd.exe	95
PID 2584 wrote to memory of 208	2584	cmd.exe	95
PID 4124 wrote to memory of 112	4124	5163763d299e5e29699064af3ec8de1134b69bda99e88de3878933ab844421e7.exe	96
PID 4124 wrote to memory of 112	4124	5163763d299e5e29699064af3ec8de1134b69bda99e88de3878933ab844421e7.exe	96
PID 4124 wrote to memory of 112	4124	5163763d299e5e29699064af3ec8de1134b69bda99e88de3878933ab844421e7.exe	96
PID 112 wrote to memory of 1088	112	csrsll.exe	100
PID 112 wrote to memory of 1088	112	csrsll.exe	100
PID 112 wrote to memory of 1088	112	csrsll.exe	100
PID 112 wrote to memory of 1088	112	csrsll.exe	100
PID 112 wrote to memory of 1088	112	csrsll.exe	100
PID 112 wrote to memory of 1088	112	csrsll.exe	100
PID 112 wrote to memory of 1088	112	csrsll.exe	100
PID 112 wrote to memory of 1088	112	csrsll.exe	100
PID 112 wrote to memory of 1856	112	csrsll.exe	101
PID 112 wrote to memory of 1856	112	csrsll.exe	101
PID 112 wrote to memory of 1856	112	csrsll.exe	101
PID 112 wrote to memory of 1856	112	csrsll.exe	101
PID 112 wrote to memory of 1856	112	csrsll.exe	101
PID 112 wrote to memory of 1856	112	csrsll.exe	101
PID 112 wrote to memory of 1856	112	csrsll.exe	101
PID 112 wrote to memory of 1856	112	csrsll.exe	101

C:\Users\Admin\AppData\Local\Temp\5163763d299e5e29699064af3ec8de1134b69bda99e88de3878933ab844421e7.exe
"C:\Users\Admin\AppData\Local\Temp\5163763d299e5e29699064af3ec8de1134b69bda99e88de3878933ab844421e7.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4820
- C:\Users\Admin\AppData\Local\Temp\5163763d299e5e29699064af3ec8de1134b69bda99e88de3878933ab844421e7.exe
  "C:\Users\Admin\AppData\Local\Temp\5163763d299e5e29699064af3ec8de1134b69bda99e88de3878933ab844421e7.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4124
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\TRVQY.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2584
  - - 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:208
- - 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:112
  - - 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:1088
  - - 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:1856

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\TRVQY.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
ca2b6574fd39e43645821f5923549a81

SHA1
84b2ffbd59344c127ae65a6e557abe9ae54731a1

SHA256
b947efbc2e85ab9365e96ab0a8783036989c7fbe1d25bdeb563147cad5a18e98

SHA512
83816be4c3410836250bca7836bfbb947088aba9d7ad28e789969cfcf0f82c50d83810489c6b3ccbcd0ed9ca06d8ba882e1f44075e95ce6b2ec37db11ba98dc5

Download Submit
memory/112-54-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/112-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/112-39-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1088-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1856-49-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1856-44-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1856-61-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1856-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1856-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1856-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4124-38-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4124-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4124-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4124-59-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4124-11-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4820-6-0x0000000002B80000-0x0000000002B82000-memory.dmp

Filesize
8KB

Download
memory/4820-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4820-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4820-4-0x0000000002B60000-0x0000000002B62000-memory.dmp

Filesize
8KB

Download
memory/4820-12-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4820-3-0x0000000002B50000-0x0000000002B52000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads