modiloader | 99c638d9d5d6b862cc89f76cb111fbb9c522006b581da6875233538c715fd400

Analysis

max time kernel
118s
max time network
17s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
01-01-2025 16:54

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General

Target

99c638d9d5d6b862cc89f76cb111fbb9c522006b581da6875233538c715fd400N.exe
Size

90KB
MD5

1483e0b53896b683908281d8a2060fd0
SHA1

2553a9e5459189588683e34dbef7825559e10099
SHA256

99c638d9d5d6b862cc89f76cb111fbb9c522006b581da6875233538c715fd400
SHA512

4e508e0ff1575481547f5665c9c1772782af8eb616b81d621772f6cededdb6082d3b1f5f5529f51cdfba6c951744b6f45252474bfe752f07f1365429ca1df240
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDN:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE33

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 1 IoCs

resource	yara_rule
behavioral1/memory/1996-262-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
1140	csrsll.exe
1196	csrsll.exe
1996	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
2620	99c638d9d5d6b862cc89f76cb111fbb9c522006b581da6875233538c715fd400N.exe
2620	99c638d9d5d6b862cc89f76cb111fbb9c522006b581da6875233538c715fd400N.exe
2620	99c638d9d5d6b862cc89f76cb111fbb9c522006b581da6875233538c715fd400N.exe
2620	99c638d9d5d6b862cc89f76cb111fbb9c522006b581da6875233538c715fd400N.exe
2620	99c638d9d5d6b862cc89f76cb111fbb9c522006b581da6875233538c715fd400N.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-1-5-21-2872745919-2748461613-2989606286-1000\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 2372 set thread context of 2620	2372	99c638d9d5d6b862cc89f76cb111fbb9c522006b581da6875233538c715fd400N.exe	31
PID 1140 set thread context of 1196	1140	csrsll.exe	36
PID 1140 set thread context of 1996	1140	csrsll.exe	37

UPX packed file 21 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2372-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2372-26-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2372-83-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2372-92-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2372-82-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2372-79-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2620-96-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2620-98-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2620-107-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2620-109-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2372-106-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2620-105-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2620-102-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x0005000000004ed7-134.dat	upx
behavioral1/memory/2620-154-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1140-214-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1996-248-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/1140-254-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2620-258-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1196-259-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1996-262-0x0000000000400000-0x0000000000414000-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	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	99c638d9d5d6b862cc89f76cb111fbb9c522006b581da6875233538c715fd400N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	99c638d9d5d6b862cc89f76cb111fbb9c522006b581da6875233538c715fd400N.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

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	1196	csrsll.exe
Token: SeDebugPrivilege	1196	csrsll.exe
Token: SeDebugPrivilege	1196	csrsll.exe
Token: SeDebugPrivilege	1196	csrsll.exe
Token: SeDebugPrivilege	1196	csrsll.exe
Token: SeDebugPrivilege	1196	csrsll.exe
Token: SeDebugPrivilege	1196	csrsll.exe
Token: SeDebugPrivilege	1196	csrsll.exe
Token: SeDebugPrivilege	1196	csrsll.exe
Token: SeDebugPrivilege	1196	csrsll.exe
Token: SeDebugPrivilege	1196	csrsll.exe
Token: SeDebugPrivilege	1196	csrsll.exe
Token: SeDebugPrivilege	1196	csrsll.exe
Token: SeDebugPrivilege	1196	csrsll.exe
Token: SeDebugPrivilege	1196	csrsll.exe
Token: SeDebugPrivilege	1196	csrsll.exe
Token: SeDebugPrivilege	1196	csrsll.exe
Token: SeDebugPrivilege	1196	csrsll.exe
Token: SeDebugPrivilege	1196	csrsll.exe
Token: SeDebugPrivilege	1196	csrsll.exe
Token: SeDebugPrivilege	1196	csrsll.exe
Token: SeDebugPrivilege	1196	csrsll.exe
Token: SeDebugPrivilege	1196	csrsll.exe
Token: SeDebugPrivilege	1196	csrsll.exe
Token: SeDebugPrivilege	1196	csrsll.exe
Token: SeDebugPrivilege	1196	csrsll.exe
Token: SeDebugPrivilege	1196	csrsll.exe
Token: SeDebugPrivilege	1196	csrsll.exe
Token: SeDebugPrivilege	1196	csrsll.exe
Token: SeDebugPrivilege	1196	csrsll.exe
Token: SeDebugPrivilege	1196	csrsll.exe
Token: SeDebugPrivilege	1196	csrsll.exe
Token: SeDebugPrivilege	1196	csrsll.exe
Token: SeDebugPrivilege	1196	csrsll.exe
Token: SeDebugPrivilege	1196	csrsll.exe
Token: SeDebugPrivilege	1196	csrsll.exe
Token: SeDebugPrivilege	1196	csrsll.exe
Token: SeDebugPrivilege	1196	csrsll.exe
Token: SeDebugPrivilege	1196	csrsll.exe
Token: SeDebugPrivilege	1196	csrsll.exe
Token: SeDebugPrivilege	1196	csrsll.exe
Token: SeDebugPrivilege	1196	csrsll.exe
Token: SeDebugPrivilege	1196	csrsll.exe
Token: SeDebugPrivilege	1196	csrsll.exe
Token: SeDebugPrivilege	1196	csrsll.exe
Token: SeDebugPrivilege	1196	csrsll.exe
Token: SeDebugPrivilege	1196	csrsll.exe
Token: SeDebugPrivilege	1196	csrsll.exe
Token: SeDebugPrivilege	1196	csrsll.exe
Token: SeDebugPrivilege	1196	csrsll.exe
Token: SeDebugPrivilege	1196	csrsll.exe
Token: SeDebugPrivilege	1196	csrsll.exe
Token: SeDebugPrivilege	1196	csrsll.exe
Token: SeDebugPrivilege	1196	csrsll.exe
Token: SeDebugPrivilege	1196	csrsll.exe
Token: SeDebugPrivilege	1196	csrsll.exe
Token: SeDebugPrivilege	1196	csrsll.exe
Token: SeDebugPrivilege	1196	csrsll.exe
Token: SeDebugPrivilege	1196	csrsll.exe
Token: SeDebugPrivilege	1196	csrsll.exe
Token: SeDebugPrivilege	1196	csrsll.exe
Token: SeDebugPrivilege	1196	csrsll.exe
Token: SeDebugPrivilege	1196	csrsll.exe
Token: SeDebugPrivilege	1196	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2372	99c638d9d5d6b862cc89f76cb111fbb9c522006b581da6875233538c715fd400N.exe
2620	99c638d9d5d6b862cc89f76cb111fbb9c522006b581da6875233538c715fd400N.exe
1140	csrsll.exe
1196	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2372 wrote to memory of 2620	2372	99c638d9d5d6b862cc89f76cb111fbb9c522006b581da6875233538c715fd400N.exe	31
PID 2372 wrote to memory of 2620	2372	99c638d9d5d6b862cc89f76cb111fbb9c522006b581da6875233538c715fd400N.exe	31
PID 2372 wrote to memory of 2620	2372	99c638d9d5d6b862cc89f76cb111fbb9c522006b581da6875233538c715fd400N.exe	31
PID 2372 wrote to memory of 2620	2372	99c638d9d5d6b862cc89f76cb111fbb9c522006b581da6875233538c715fd400N.exe	31
PID 2372 wrote to memory of 2620	2372	99c638d9d5d6b862cc89f76cb111fbb9c522006b581da6875233538c715fd400N.exe	31
PID 2372 wrote to memory of 2620	2372	99c638d9d5d6b862cc89f76cb111fbb9c522006b581da6875233538c715fd400N.exe	31
PID 2372 wrote to memory of 2620	2372	99c638d9d5d6b862cc89f76cb111fbb9c522006b581da6875233538c715fd400N.exe	31
PID 2372 wrote to memory of 2620	2372	99c638d9d5d6b862cc89f76cb111fbb9c522006b581da6875233538c715fd400N.exe	31
PID 2620 wrote to memory of 1288	2620	99c638d9d5d6b862cc89f76cb111fbb9c522006b581da6875233538c715fd400N.exe	32
PID 2620 wrote to memory of 1288	2620	99c638d9d5d6b862cc89f76cb111fbb9c522006b581da6875233538c715fd400N.exe	32
PID 2620 wrote to memory of 1288	2620	99c638d9d5d6b862cc89f76cb111fbb9c522006b581da6875233538c715fd400N.exe	32
PID 2620 wrote to memory of 1288	2620	99c638d9d5d6b862cc89f76cb111fbb9c522006b581da6875233538c715fd400N.exe	32
PID 1288 wrote to memory of 1720	1288	cmd.exe	34
PID 1288 wrote to memory of 1720	1288	cmd.exe	34
PID 1288 wrote to memory of 1720	1288	cmd.exe	34
PID 1288 wrote to memory of 1720	1288	cmd.exe	34
PID 2620 wrote to memory of 1140	2620	99c638d9d5d6b862cc89f76cb111fbb9c522006b581da6875233538c715fd400N.exe	35
PID 2620 wrote to memory of 1140	2620	99c638d9d5d6b862cc89f76cb111fbb9c522006b581da6875233538c715fd400N.exe	35
PID 2620 wrote to memory of 1140	2620	99c638d9d5d6b862cc89f76cb111fbb9c522006b581da6875233538c715fd400N.exe	35
PID 2620 wrote to memory of 1140	2620	99c638d9d5d6b862cc89f76cb111fbb9c522006b581da6875233538c715fd400N.exe	35
PID 1140 wrote to memory of 1196	1140	csrsll.exe	36
PID 1140 wrote to memory of 1196	1140	csrsll.exe	36
PID 1140 wrote to memory of 1196	1140	csrsll.exe	36
PID 1140 wrote to memory of 1196	1140	csrsll.exe	36
PID 1140 wrote to memory of 1196	1140	csrsll.exe	36
PID 1140 wrote to memory of 1196	1140	csrsll.exe	36
PID 1140 wrote to memory of 1196	1140	csrsll.exe	36
PID 1140 wrote to memory of 1196	1140	csrsll.exe	36
PID 1140 wrote to memory of 1996	1140	csrsll.exe	37
PID 1140 wrote to memory of 1996	1140	csrsll.exe	37
PID 1140 wrote to memory of 1996	1140	csrsll.exe	37
PID 1140 wrote to memory of 1996	1140	csrsll.exe	37
PID 1140 wrote to memory of 1996	1140	csrsll.exe	37
PID 1140 wrote to memory of 1996	1140	csrsll.exe	37
PID 1140 wrote to memory of 1996	1140	csrsll.exe	37
PID 1140 wrote to memory of 1996	1140	csrsll.exe	37

C:\Users\Admin\AppData\Local\Temp\99c638d9d5d6b862cc89f76cb111fbb9c522006b581da6875233538c715fd400N.exe
"C:\Users\Admin\AppData\Local\Temp\99c638d9d5d6b862cc89f76cb111fbb9c522006b581da6875233538c715fd400N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2372
- C:\Users\Admin\AppData\Local\Temp\99c638d9d5d6b862cc89f76cb111fbb9c522006b581da6875233538c715fd400N.exe
  "C:\Users\Admin\AppData\Local\Temp\99c638d9d5d6b862cc89f76cb111fbb9c522006b581da6875233538c715fd400N.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2620
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\TRPTH.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1288
  - - 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:1720
- - 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:1140
  - - 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:1196
  - - 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:1996

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

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\TRPTH.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
9b6a8741b9a8a4802364df950420bb90

SHA1
b6bade4197eaaf3d4c676c4ff20444837a34b434

SHA256
b726f007bec70a88a79e939409048558edcec50e1db613322b64b5d04dfd1f1e

SHA512
ef8ef8ae8a3003ea4202933362501732bb8e2156841d62ee7ca6aad8db81f502adfb212a80f8f81f9fd00138e9554257a2af87ebd57000b5df1cfb0cef0b091c

Download Submit
memory/1140-254-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1140-167-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/1140-178-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/1140-214-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1140-157-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1196-259-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1996-262-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1996-248-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2372-106-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2372-61-0x0000000000350000-0x0000000000351000-memory.dmp

Filesize
4KB

Download
memory/2372-82-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2372-93-0x0000000000670000-0x00000000006C3000-memory.dmp

Filesize
332KB

Download
memory/2372-80-0x0000000000390000-0x0000000000392000-memory.dmp

Filesize
8KB

Download
memory/2372-79-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2372-5-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2372-3-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2372-13-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/2372-16-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/2372-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2372-29-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/2372-26-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2372-92-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2372-41-0x0000000000290000-0x0000000000291000-memory.dmp

Filesize
4KB

Download
memory/2372-83-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2372-71-0x0000000000370000-0x0000000000371000-memory.dmp

Filesize
4KB

Download
memory/2620-102-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2620-109-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2620-148-0x0000000003470000-0x00000000034C3000-memory.dmp

Filesize
332KB

Download
memory/2620-154-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2620-94-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2620-100-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2620-149-0x0000000003470000-0x00000000034C3000-memory.dmp

Filesize
332KB

Download
memory/2620-105-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2620-150-0x0000000003470000-0x00000000034C3000-memory.dmp

Filesize
332KB

Download
memory/2620-243-0x0000000003470000-0x00000000034C3000-memory.dmp

Filesize
332KB

Download
memory/2620-241-0x0000000003470000-0x00000000034C3000-memory.dmp

Filesize
332KB

Download
memory/2620-107-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2620-258-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2620-98-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2620-96-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads