modiloader | 275c2b43d2173c5462d6f292b7ddcfdd3408461a2ccb3f744ac1a7c8c5175cc4

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
16-12-2024 23:03

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General

Target

275c2b43d2173c5462d6f292b7ddcfdd3408461a2ccb3f744ac1a7c8c5175cc4N.exe
Size

90KB
MD5

52ae87b7a44cd2a67ac69a6d84d8a6f0
SHA1

528070cae5510dcf612f4e096ab849d50e43f962
SHA256

275c2b43d2173c5462d6f292b7ddcfdd3408461a2ccb3f744ac1a7c8c5175cc4
SHA512

d2c3ff046562550853b2076fef1f7a049208fc76610ee92980081fb9d9a8877107577ba921d143cbe901480511846cd87341be8006062b080ad54929fd021be0
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/1200-57-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1200-56-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1200-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1200-64-0x0000000000400000-0x0000000000414000-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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	275c2b43d2173c5462d6f292b7ddcfdd3408461a2ccb3f744ac1a7c8c5175cc4N.exe

Executes dropped EXE 3 IoCs

pid	Process
212	csrsll.exe
2252	csrsll.exe
1200	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-1-5-21-3442511616-637977696-3186306149-1000\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 4392 set thread context of 4544	4392	275c2b43d2173c5462d6f292b7ddcfdd3408461a2ccb3f744ac1a7c8c5175cc4N.exe	82
PID 212 set thread context of 2252	212	csrsll.exe	93
PID 212 set thread context of 1200	212	csrsll.exe	94

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4392-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4392-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4544-8-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4544-10-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4392-14-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4544-12-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0009000000023ca7-30.dat	upx
behavioral2/memory/212-37-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4544-41-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/212-42-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/212-43-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1200-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1200-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1200-57-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/212-59-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4544-62-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1200-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1200-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2252-63-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1200-64-0x0000000000400000-0x0000000000414000-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	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	275c2b43d2173c5462d6f292b7ddcfdd3408461a2ccb3f744ac1a7c8c5175cc4N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	275c2b43d2173c5462d6f292b7ddcfdd3408461a2ccb3f744ac1a7c8c5175cc4N.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2252	csrsll.exe
Token: SeDebugPrivilege	2252	csrsll.exe
Token: SeDebugPrivilege	2252	csrsll.exe
Token: SeDebugPrivilege	2252	csrsll.exe
Token: SeDebugPrivilege	2252	csrsll.exe
Token: SeDebugPrivilege	2252	csrsll.exe
Token: SeDebugPrivilege	2252	csrsll.exe
Token: SeDebugPrivilege	2252	csrsll.exe
Token: SeDebugPrivilege	2252	csrsll.exe
Token: SeDebugPrivilege	2252	csrsll.exe
Token: SeDebugPrivilege	2252	csrsll.exe
Token: SeDebugPrivilege	2252	csrsll.exe
Token: SeDebugPrivilege	2252	csrsll.exe
Token: SeDebugPrivilege	2252	csrsll.exe
Token: SeDebugPrivilege	2252	csrsll.exe
Token: SeDebugPrivilege	2252	csrsll.exe
Token: SeDebugPrivilege	2252	csrsll.exe
Token: SeDebugPrivilege	2252	csrsll.exe
Token: SeDebugPrivilege	2252	csrsll.exe
Token: SeDebugPrivilege	2252	csrsll.exe
Token: SeDebugPrivilege	2252	csrsll.exe
Token: SeDebugPrivilege	2252	csrsll.exe
Token: SeDebugPrivilege	2252	csrsll.exe
Token: SeDebugPrivilege	2252	csrsll.exe
Token: SeDebugPrivilege	2252	csrsll.exe
Token: SeDebugPrivilege	2252	csrsll.exe
Token: SeDebugPrivilege	2252	csrsll.exe
Token: SeDebugPrivilege	2252	csrsll.exe
Token: SeDebugPrivilege	2252	csrsll.exe
Token: SeDebugPrivilege	2252	csrsll.exe
Token: SeDebugPrivilege	2252	csrsll.exe
Token: SeDebugPrivilege	2252	csrsll.exe
Token: SeDebugPrivilege	2252	csrsll.exe
Token: SeDebugPrivilege	2252	csrsll.exe
Token: SeDebugPrivilege	2252	csrsll.exe
Token: SeDebugPrivilege	2252	csrsll.exe
Token: SeDebugPrivilege	2252	csrsll.exe
Token: SeDebugPrivilege	2252	csrsll.exe
Token: SeDebugPrivilege	2252	csrsll.exe
Token: SeDebugPrivilege	2252	csrsll.exe
Token: SeDebugPrivilege	2252	csrsll.exe
Token: SeDebugPrivilege	2252	csrsll.exe
Token: SeDebugPrivilege	2252	csrsll.exe
Token: SeDebugPrivilege	2252	csrsll.exe
Token: SeDebugPrivilege	2252	csrsll.exe
Token: SeDebugPrivilege	2252	csrsll.exe
Token: SeDebugPrivilege	2252	csrsll.exe
Token: SeDebugPrivilege	2252	csrsll.exe
Token: SeDebugPrivilege	2252	csrsll.exe
Token: SeDebugPrivilege	2252	csrsll.exe
Token: SeDebugPrivilege	2252	csrsll.exe
Token: SeDebugPrivilege	2252	csrsll.exe
Token: SeDebugPrivilege	2252	csrsll.exe
Token: SeDebugPrivilege	2252	csrsll.exe
Token: SeDebugPrivilege	2252	csrsll.exe
Token: SeDebugPrivilege	2252	csrsll.exe
Token: SeDebugPrivilege	2252	csrsll.exe
Token: SeDebugPrivilege	2252	csrsll.exe
Token: SeDebugPrivilege	2252	csrsll.exe
Token: SeDebugPrivilege	2252	csrsll.exe
Token: SeDebugPrivilege	2252	csrsll.exe
Token: SeDebugPrivilege	2252	csrsll.exe
Token: SeDebugPrivilege	2252	csrsll.exe
Token: SeDebugPrivilege	2252	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4392	275c2b43d2173c5462d6f292b7ddcfdd3408461a2ccb3f744ac1a7c8c5175cc4N.exe
4544	275c2b43d2173c5462d6f292b7ddcfdd3408461a2ccb3f744ac1a7c8c5175cc4N.exe
212	csrsll.exe
2252	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 4392 wrote to memory of 4544	4392	275c2b43d2173c5462d6f292b7ddcfdd3408461a2ccb3f744ac1a7c8c5175cc4N.exe	82
PID 4392 wrote to memory of 4544	4392	275c2b43d2173c5462d6f292b7ddcfdd3408461a2ccb3f744ac1a7c8c5175cc4N.exe	82
PID 4392 wrote to memory of 4544	4392	275c2b43d2173c5462d6f292b7ddcfdd3408461a2ccb3f744ac1a7c8c5175cc4N.exe	82
PID 4392 wrote to memory of 4544	4392	275c2b43d2173c5462d6f292b7ddcfdd3408461a2ccb3f744ac1a7c8c5175cc4N.exe	82
PID 4392 wrote to memory of 4544	4392	275c2b43d2173c5462d6f292b7ddcfdd3408461a2ccb3f744ac1a7c8c5175cc4N.exe	82
PID 4392 wrote to memory of 4544	4392	275c2b43d2173c5462d6f292b7ddcfdd3408461a2ccb3f744ac1a7c8c5175cc4N.exe	82
PID 4392 wrote to memory of 4544	4392	275c2b43d2173c5462d6f292b7ddcfdd3408461a2ccb3f744ac1a7c8c5175cc4N.exe	82
PID 4392 wrote to memory of 4544	4392	275c2b43d2173c5462d6f292b7ddcfdd3408461a2ccb3f744ac1a7c8c5175cc4N.exe	82
PID 4544 wrote to memory of 2452	4544	275c2b43d2173c5462d6f292b7ddcfdd3408461a2ccb3f744ac1a7c8c5175cc4N.exe	83
PID 4544 wrote to memory of 2452	4544	275c2b43d2173c5462d6f292b7ddcfdd3408461a2ccb3f744ac1a7c8c5175cc4N.exe	83
PID 4544 wrote to memory of 2452	4544	275c2b43d2173c5462d6f292b7ddcfdd3408461a2ccb3f744ac1a7c8c5175cc4N.exe	83
PID 2452 wrote to memory of 1352	2452	cmd.exe	86
PID 2452 wrote to memory of 1352	2452	cmd.exe	86
PID 2452 wrote to memory of 1352	2452	cmd.exe	86
PID 4544 wrote to memory of 212	4544	275c2b43d2173c5462d6f292b7ddcfdd3408461a2ccb3f744ac1a7c8c5175cc4N.exe	87
PID 4544 wrote to memory of 212	4544	275c2b43d2173c5462d6f292b7ddcfdd3408461a2ccb3f744ac1a7c8c5175cc4N.exe	87
PID 4544 wrote to memory of 212	4544	275c2b43d2173c5462d6f292b7ddcfdd3408461a2ccb3f744ac1a7c8c5175cc4N.exe	87
PID 212 wrote to memory of 2252	212	csrsll.exe	93
PID 212 wrote to memory of 2252	212	csrsll.exe	93
PID 212 wrote to memory of 2252	212	csrsll.exe	93
PID 212 wrote to memory of 2252	212	csrsll.exe	93
PID 212 wrote to memory of 2252	212	csrsll.exe	93
PID 212 wrote to memory of 2252	212	csrsll.exe	93
PID 212 wrote to memory of 2252	212	csrsll.exe	93
PID 212 wrote to memory of 2252	212	csrsll.exe	93
PID 212 wrote to memory of 1200	212	csrsll.exe	94
PID 212 wrote to memory of 1200	212	csrsll.exe	94
PID 212 wrote to memory of 1200	212	csrsll.exe	94
PID 212 wrote to memory of 1200	212	csrsll.exe	94
PID 212 wrote to memory of 1200	212	csrsll.exe	94
PID 212 wrote to memory of 1200	212	csrsll.exe	94
PID 212 wrote to memory of 1200	212	csrsll.exe	94
PID 212 wrote to memory of 1200	212	csrsll.exe	94

C:\Users\Admin\AppData\Local\Temp\275c2b43d2173c5462d6f292b7ddcfdd3408461a2ccb3f744ac1a7c8c5175cc4N.exe
"C:\Users\Admin\AppData\Local\Temp\275c2b43d2173c5462d6f292b7ddcfdd3408461a2ccb3f744ac1a7c8c5175cc4N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4392
- C:\Users\Admin\AppData\Local\Temp\275c2b43d2173c5462d6f292b7ddcfdd3408461a2ccb3f744ac1a7c8c5175cc4N.exe
  "C:\Users\Admin\AppData\Local\Temp\275c2b43d2173c5462d6f292b7ddcfdd3408461a2ccb3f744ac1a7c8c5175cc4N.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4544
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\LQMAN.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2452
  - - 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:1352
- - 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:212
  - - 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:2252
  - - 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:1200

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\LQMAN.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
0dbe500f40b6d3dfe442485cabf55265

SHA1
59f10ac61a5aba0883552fed1680dd519668eade

SHA256
07016808ed1c6645019470ece031c81f2d7c77be80b1716ef1905f43b70e306a

SHA512
cf5d29754dde04f53b9a2aed90ec9bd8b52ad9164de930bfbe77fbc41016e56e905a6ff7acb27424f1f791a564f659375d8910cb2c914f81b4d9c3c506b55c73

Download Submit
memory/212-59-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/212-43-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/212-42-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/212-37-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1200-57-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1200-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1200-64-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1200-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1200-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1200-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2252-63-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4392-4-0x0000000002400000-0x0000000002402000-memory.dmp

Filesize
8KB

Download
memory/4392-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4392-7-0x0000000002420000-0x0000000002422000-memory.dmp

Filesize
8KB

Download
memory/4392-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4392-3-0x00000000023F0000-0x00000000023F2000-memory.dmp

Filesize
8KB

Download
memory/4392-6-0x0000000002410000-0x0000000002412000-memory.dmp

Filesize
8KB

Download
memory/4392-14-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4544-10-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4544-41-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4544-62-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4544-8-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4544-12-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads