modiloader | db15b1f6acd7722f9daa00353bed077b95310a80de7a392ba6192c5774e30c62

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
13-01-2025 12:45

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General

Target

db15b1f6acd7722f9daa00353bed077b95310a80de7a392ba6192c5774e30c62.exe
Size

90KB
MD5

fa2dbc16840066ba38d84206020ee4d4
SHA1

1dfe46b41f6915800be93c777232af8d84b44fdb
SHA256

db15b1f6acd7722f9daa00353bed077b95310a80de7a392ba6192c5774e30c62
SHA512

c70565e78a40534cec3a053fa55408a53e5fb7b6304fbfc3a24eceb2b02f88845f5a221941a3f98dd842f6c9ac07ca59c4fe119c832159b4fe8d9fd4a65cab64
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDI:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3m

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/3664-51-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3664-52-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3664-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3664-62-0x0000000000400000-0x0000000000414000-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	db15b1f6acd7722f9daa00353bed077b95310a80de7a392ba6192c5774e30c62.exe

Executes dropped EXE 3 IoCs

pid	Process
2528	csrsll.exe
4752	csrsll.exe
3664	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 460 set thread context of 2392	460	db15b1f6acd7722f9daa00353bed077b95310a80de7a392ba6192c5774e30c62.exe	83
PID 2528 set thread context of 4752	2528	csrsll.exe	102
PID 2528 set thread context of 3664	2528	csrsll.exe	103

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/460-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/460-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2392-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2392-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/460-12-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2392-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0008000000023c9f-29.dat	upx
behavioral2/memory/2392-39-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2528-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2528-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3664-50-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3664-45-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3664-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3664-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3664-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2528-56-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2392-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4752-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3664-62-0x0000000000400000-0x0000000000414000-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	db15b1f6acd7722f9daa00353bed077b95310a80de7a392ba6192c5774e30c62.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	db15b1f6acd7722f9daa00353bed077b95310a80de7a392ba6192c5774e30c62.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	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe
Token: SeDebugPrivilege	4752	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
460	db15b1f6acd7722f9daa00353bed077b95310a80de7a392ba6192c5774e30c62.exe
2392	db15b1f6acd7722f9daa00353bed077b95310a80de7a392ba6192c5774e30c62.exe
2528	csrsll.exe
4752	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 460 wrote to memory of 2392	460	db15b1f6acd7722f9daa00353bed077b95310a80de7a392ba6192c5774e30c62.exe	83
PID 460 wrote to memory of 2392	460	db15b1f6acd7722f9daa00353bed077b95310a80de7a392ba6192c5774e30c62.exe	83
PID 460 wrote to memory of 2392	460	db15b1f6acd7722f9daa00353bed077b95310a80de7a392ba6192c5774e30c62.exe	83
PID 460 wrote to memory of 2392	460	db15b1f6acd7722f9daa00353bed077b95310a80de7a392ba6192c5774e30c62.exe	83
PID 460 wrote to memory of 2392	460	db15b1f6acd7722f9daa00353bed077b95310a80de7a392ba6192c5774e30c62.exe	83
PID 460 wrote to memory of 2392	460	db15b1f6acd7722f9daa00353bed077b95310a80de7a392ba6192c5774e30c62.exe	83
PID 460 wrote to memory of 2392	460	db15b1f6acd7722f9daa00353bed077b95310a80de7a392ba6192c5774e30c62.exe	83
PID 460 wrote to memory of 2392	460	db15b1f6acd7722f9daa00353bed077b95310a80de7a392ba6192c5774e30c62.exe	83
PID 2392 wrote to memory of 3840	2392	db15b1f6acd7722f9daa00353bed077b95310a80de7a392ba6192c5774e30c62.exe	90
PID 2392 wrote to memory of 3840	2392	db15b1f6acd7722f9daa00353bed077b95310a80de7a392ba6192c5774e30c62.exe	90
PID 2392 wrote to memory of 3840	2392	db15b1f6acd7722f9daa00353bed077b95310a80de7a392ba6192c5774e30c62.exe	90
PID 3840 wrote to memory of 2152	3840	cmd.exe	94
PID 3840 wrote to memory of 2152	3840	cmd.exe	94
PID 3840 wrote to memory of 2152	3840	cmd.exe	94
PID 2392 wrote to memory of 2528	2392	db15b1f6acd7722f9daa00353bed077b95310a80de7a392ba6192c5774e30c62.exe	95
PID 2392 wrote to memory of 2528	2392	db15b1f6acd7722f9daa00353bed077b95310a80de7a392ba6192c5774e30c62.exe	95
PID 2392 wrote to memory of 2528	2392	db15b1f6acd7722f9daa00353bed077b95310a80de7a392ba6192c5774e30c62.exe	95
PID 2528 wrote to memory of 4752	2528	csrsll.exe	102
PID 2528 wrote to memory of 4752	2528	csrsll.exe	102
PID 2528 wrote to memory of 4752	2528	csrsll.exe	102
PID 2528 wrote to memory of 4752	2528	csrsll.exe	102
PID 2528 wrote to memory of 4752	2528	csrsll.exe	102
PID 2528 wrote to memory of 4752	2528	csrsll.exe	102
PID 2528 wrote to memory of 4752	2528	csrsll.exe	102
PID 2528 wrote to memory of 4752	2528	csrsll.exe	102
PID 2528 wrote to memory of 3664	2528	csrsll.exe	103
PID 2528 wrote to memory of 3664	2528	csrsll.exe	103
PID 2528 wrote to memory of 3664	2528	csrsll.exe	103
PID 2528 wrote to memory of 3664	2528	csrsll.exe	103
PID 2528 wrote to memory of 3664	2528	csrsll.exe	103
PID 2528 wrote to memory of 3664	2528	csrsll.exe	103
PID 2528 wrote to memory of 3664	2528	csrsll.exe	103
PID 2528 wrote to memory of 3664	2528	csrsll.exe	103

C:\Users\Admin\AppData\Local\Temp\db15b1f6acd7722f9daa00353bed077b95310a80de7a392ba6192c5774e30c62.exe
"C:\Users\Admin\AppData\Local\Temp\db15b1f6acd7722f9daa00353bed077b95310a80de7a392ba6192c5774e30c62.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:460
- C:\Users\Admin\AppData\Local\Temp\db15b1f6acd7722f9daa00353bed077b95310a80de7a392ba6192c5774e30c62.exe
  "C:\Users\Admin\AppData\Local\Temp\db15b1f6acd7722f9daa00353bed077b95310a80de7a392ba6192c5774e30c62.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2392
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\HITQO.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3840
  - - 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:2528
  - - 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:4752
  - - 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:3664

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\HITQO.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
08d7cdafaf272ad08f0377fd86133189

SHA1
d1060fddeb3a1a1f6f4a1b8bad77d34e0e2f871b

SHA256
16be84c51dbb64588829ed230bd3a0cb5840aa4bc91532b61407ee735569394b

SHA512
036726eef8a781edbf96aeed95a35527ee78b8291ec71d59fa60b1542862b030d8cb6a912298cb71496a4154ad375fb3ae9da7d68c8308970dcb4fa23810fd85

Download Submit
memory/460-6-0x0000000002420000-0x0000000002422000-memory.dmp

Filesize
8KB

Download
memory/460-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/460-12-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/460-4-0x00000000022F0000-0x00000000022F2000-memory.dmp

Filesize
8KB

Download
memory/460-3-0x00000000022E0000-0x00000000022E2000-memory.dmp

Filesize
8KB

Download
memory/460-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2392-58-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/2392-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2392-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2392-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2392-39-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2392-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2528-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2528-56-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2528-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3664-45-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3664-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3664-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3664-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3664-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3664-62-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4752-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads