modiloader | 9d012691ead866ed1297e52a3fbd89cb075f2db2bc04118c55df1715f3739771

Analysis

max time kernel
119s
max time network
17s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
27/09/2024, 20:34

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General

Target

9d012691ead866ed1297e52a3fbd89cb075f2db2bc04118c55df1715f3739771N.exe
Size

90KB
MD5

d0a420d68298f5d694777d423895de00
SHA1

cc3e266659ad6177e9f9bb828067ffa85dd34719
SHA256

9d012691ead866ed1297e52a3fbd89cb075f2db2bc04118c55df1715f3739771
SHA512

b5aaabdf8e36cf757332f5aca87a196f0b0f125fad4cb63bfc2931d1ec8c306ecc12cc3d58de7529ce78a791d766a73ad712c6ab7b903bacdd41686ddcb66cfb
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 Second Stage 2 IoCs

resource	yara_rule
behavioral1/memory/784-258-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral1/memory/784-263-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
2800	csrsll.exe
856	csrsll.exe
784	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
2908	9d012691ead866ed1297e52a3fbd89cb075f2db2bc04118c55df1715f3739771N.exe
2908	9d012691ead866ed1297e52a3fbd89cb075f2db2bc04118c55df1715f3739771N.exe
2908	9d012691ead866ed1297e52a3fbd89cb075f2db2bc04118c55df1715f3739771N.exe
2908	9d012691ead866ed1297e52a3fbd89cb075f2db2bc04118c55df1715f3739771N.exe
2908	9d012691ead866ed1297e52a3fbd89cb075f2db2bc04118c55df1715f3739771N.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-1-5-21-1488793075-819845221-1497111674-1000\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 1716 set thread context of 2908	1716	9d012691ead866ed1297e52a3fbd89cb075f2db2bc04118c55df1715f3739771N.exe	30
PID 2800 set thread context of 856	2800	csrsll.exe	36
PID 2800 set thread context of 784	2800	csrsll.exe	37

UPX packed file 24 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1716-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1716-92-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1716-87-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2908-103-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1716-102-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2908-97-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2908-95-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1716-82-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1716-79-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1716-78-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2908-105-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2908-109-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2908-107-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x000a000000016d4f-134.dat	upx
behavioral1/memory/2800-153-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2908-148-0x0000000003210000-0x0000000003263000-memory.dmp	upx
behavioral1/memory/2908-156-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2800-218-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2800-254-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/784-258-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/2908-261-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/856-257-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/856-262-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/784-263-0x0000000000400000-0x0000000000414000-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	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9d012691ead866ed1297e52a3fbd89cb075f2db2bc04118c55df1715f3739771N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9d012691ead866ed1297e52a3fbd89cb075f2db2bc04118c55df1715f3739771N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	856	csrsll.exe
Token: SeDebugPrivilege	856	csrsll.exe
Token: SeDebugPrivilege	856	csrsll.exe
Token: SeDebugPrivilege	856	csrsll.exe
Token: SeDebugPrivilege	856	csrsll.exe
Token: SeDebugPrivilege	856	csrsll.exe
Token: SeDebugPrivilege	856	csrsll.exe
Token: SeDebugPrivilege	856	csrsll.exe
Token: SeDebugPrivilege	856	csrsll.exe
Token: SeDebugPrivilege	856	csrsll.exe
Token: SeDebugPrivilege	856	csrsll.exe
Token: SeDebugPrivilege	856	csrsll.exe
Token: SeDebugPrivilege	856	csrsll.exe
Token: SeDebugPrivilege	856	csrsll.exe
Token: SeDebugPrivilege	856	csrsll.exe
Token: SeDebugPrivilege	856	csrsll.exe
Token: SeDebugPrivilege	856	csrsll.exe
Token: SeDebugPrivilege	856	csrsll.exe
Token: SeDebugPrivilege	856	csrsll.exe
Token: SeDebugPrivilege	856	csrsll.exe
Token: SeDebugPrivilege	856	csrsll.exe
Token: SeDebugPrivilege	856	csrsll.exe
Token: SeDebugPrivilege	856	csrsll.exe
Token: SeDebugPrivilege	856	csrsll.exe
Token: SeDebugPrivilege	856	csrsll.exe
Token: SeDebugPrivilege	856	csrsll.exe
Token: SeDebugPrivilege	856	csrsll.exe
Token: SeDebugPrivilege	856	csrsll.exe
Token: SeDebugPrivilege	856	csrsll.exe
Token: SeDebugPrivilege	856	csrsll.exe
Token: SeDebugPrivilege	856	csrsll.exe
Token: SeDebugPrivilege	856	csrsll.exe
Token: SeDebugPrivilege	856	csrsll.exe
Token: SeDebugPrivilege	856	csrsll.exe
Token: SeDebugPrivilege	856	csrsll.exe
Token: SeDebugPrivilege	856	csrsll.exe
Token: SeDebugPrivilege	856	csrsll.exe
Token: SeDebugPrivilege	856	csrsll.exe
Token: SeDebugPrivilege	856	csrsll.exe
Token: SeDebugPrivilege	856	csrsll.exe
Token: SeDebugPrivilege	856	csrsll.exe
Token: SeDebugPrivilege	856	csrsll.exe
Token: SeDebugPrivilege	856	csrsll.exe
Token: SeDebugPrivilege	856	csrsll.exe
Token: SeDebugPrivilege	856	csrsll.exe
Token: SeDebugPrivilege	856	csrsll.exe
Token: SeDebugPrivilege	856	csrsll.exe
Token: SeDebugPrivilege	856	csrsll.exe
Token: SeDebugPrivilege	856	csrsll.exe
Token: SeDebugPrivilege	856	csrsll.exe
Token: SeDebugPrivilege	856	csrsll.exe
Token: SeDebugPrivilege	856	csrsll.exe
Token: SeDebugPrivilege	856	csrsll.exe
Token: SeDebugPrivilege	856	csrsll.exe
Token: SeDebugPrivilege	856	csrsll.exe
Token: SeDebugPrivilege	856	csrsll.exe
Token: SeDebugPrivilege	856	csrsll.exe
Token: SeDebugPrivilege	856	csrsll.exe
Token: SeDebugPrivilege	856	csrsll.exe
Token: SeDebugPrivilege	856	csrsll.exe
Token: SeDebugPrivilege	856	csrsll.exe
Token: SeDebugPrivilege	856	csrsll.exe
Token: SeDebugPrivilege	856	csrsll.exe
Token: SeDebugPrivilege	856	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1716	9d012691ead866ed1297e52a3fbd89cb075f2db2bc04118c55df1715f3739771N.exe
2908	9d012691ead866ed1297e52a3fbd89cb075f2db2bc04118c55df1715f3739771N.exe
2800	csrsll.exe
856	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 1716 wrote to memory of 2908	1716	9d012691ead866ed1297e52a3fbd89cb075f2db2bc04118c55df1715f3739771N.exe	30
PID 1716 wrote to memory of 2908	1716	9d012691ead866ed1297e52a3fbd89cb075f2db2bc04118c55df1715f3739771N.exe	30
PID 1716 wrote to memory of 2908	1716	9d012691ead866ed1297e52a3fbd89cb075f2db2bc04118c55df1715f3739771N.exe	30
PID 1716 wrote to memory of 2908	1716	9d012691ead866ed1297e52a3fbd89cb075f2db2bc04118c55df1715f3739771N.exe	30
PID 1716 wrote to memory of 2908	1716	9d012691ead866ed1297e52a3fbd89cb075f2db2bc04118c55df1715f3739771N.exe	30
PID 1716 wrote to memory of 2908	1716	9d012691ead866ed1297e52a3fbd89cb075f2db2bc04118c55df1715f3739771N.exe	30
PID 1716 wrote to memory of 2908	1716	9d012691ead866ed1297e52a3fbd89cb075f2db2bc04118c55df1715f3739771N.exe	30
PID 1716 wrote to memory of 2908	1716	9d012691ead866ed1297e52a3fbd89cb075f2db2bc04118c55df1715f3739771N.exe	30
PID 2908 wrote to memory of 484	2908	9d012691ead866ed1297e52a3fbd89cb075f2db2bc04118c55df1715f3739771N.exe	32
PID 2908 wrote to memory of 484	2908	9d012691ead866ed1297e52a3fbd89cb075f2db2bc04118c55df1715f3739771N.exe	32
PID 2908 wrote to memory of 484	2908	9d012691ead866ed1297e52a3fbd89cb075f2db2bc04118c55df1715f3739771N.exe	32
PID 2908 wrote to memory of 484	2908	9d012691ead866ed1297e52a3fbd89cb075f2db2bc04118c55df1715f3739771N.exe	32
PID 484 wrote to memory of 636	484	cmd.exe	34
PID 484 wrote to memory of 636	484	cmd.exe	34
PID 484 wrote to memory of 636	484	cmd.exe	34
PID 484 wrote to memory of 636	484	cmd.exe	34
PID 2908 wrote to memory of 2800	2908	9d012691ead866ed1297e52a3fbd89cb075f2db2bc04118c55df1715f3739771N.exe	35
PID 2908 wrote to memory of 2800	2908	9d012691ead866ed1297e52a3fbd89cb075f2db2bc04118c55df1715f3739771N.exe	35
PID 2908 wrote to memory of 2800	2908	9d012691ead866ed1297e52a3fbd89cb075f2db2bc04118c55df1715f3739771N.exe	35
PID 2908 wrote to memory of 2800	2908	9d012691ead866ed1297e52a3fbd89cb075f2db2bc04118c55df1715f3739771N.exe	35
PID 2800 wrote to memory of 856	2800	csrsll.exe	36
PID 2800 wrote to memory of 856	2800	csrsll.exe	36
PID 2800 wrote to memory of 856	2800	csrsll.exe	36
PID 2800 wrote to memory of 856	2800	csrsll.exe	36
PID 2800 wrote to memory of 856	2800	csrsll.exe	36
PID 2800 wrote to memory of 856	2800	csrsll.exe	36
PID 2800 wrote to memory of 856	2800	csrsll.exe	36
PID 2800 wrote to memory of 856	2800	csrsll.exe	36
PID 2800 wrote to memory of 784	2800	csrsll.exe	37
PID 2800 wrote to memory of 784	2800	csrsll.exe	37
PID 2800 wrote to memory of 784	2800	csrsll.exe	37
PID 2800 wrote to memory of 784	2800	csrsll.exe	37
PID 2800 wrote to memory of 784	2800	csrsll.exe	37
PID 2800 wrote to memory of 784	2800	csrsll.exe	37
PID 2800 wrote to memory of 784	2800	csrsll.exe	37
PID 2800 wrote to memory of 784	2800	csrsll.exe	37

C:\Users\Admin\AppData\Local\Temp\9d012691ead866ed1297e52a3fbd89cb075f2db2bc04118c55df1715f3739771N.exe
"C:\Users\Admin\AppData\Local\Temp\9d012691ead866ed1297e52a3fbd89cb075f2db2bc04118c55df1715f3739771N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1716
- C:\Users\Admin\AppData\Local\Temp\9d012691ead866ed1297e52a3fbd89cb075f2db2bc04118c55df1715f3739771N.exe
  "C:\Users\Admin\AppData\Local\Temp\9d012691ead866ed1297e52a3fbd89cb075f2db2bc04118c55df1715f3739771N.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2908
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\UTFNF.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:484
  - - 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:636
- - 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:2800
  - - 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:856
  - - 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:784

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\UTFNF.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
34a75631e8c0b374834a06069f6b2150

SHA1
e08e8dd59dc2b2e5ec7020e38d2ac339f3465832

SHA256
ee3889ff4ded5933bf54899b493758f6e0da05a832d911491f274d0c49019dd7

SHA512
840ac1378c6d8bce5da8ee58848d3987b81937d3c58eae6e79249c3958aa10143f3d850d58559a031b76c234a16db4c6967db5b49330525dcccc528167e86683

Download Submit
memory/784-263-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/784-258-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/856-257-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/856-262-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1716-79-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1716-60-0x0000000000370000-0x0000000000371000-memory.dmp

Filesize
4KB

Download
memory/1716-102-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1716-92-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1716-5-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1716-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1716-82-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1716-80-0x00000000003B0000-0x00000000003B2000-memory.dmp

Filesize
8KB

Download
memory/1716-3-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1716-78-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1716-70-0x0000000000390000-0x0000000000391000-memory.dmp

Filesize
4KB

Download
memory/1716-87-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1716-40-0x0000000000310000-0x0000000000311000-memory.dmp

Filesize
4KB

Download
memory/1716-28-0x00000000002F0000-0x00000000002F1000-memory.dmp

Filesize
4KB

Download
memory/1716-25-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/1716-15-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/2800-169-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/2800-180-0x00000000002F0000-0x00000000002F1000-memory.dmp

Filesize
4KB

Download
memory/2800-254-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2800-159-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2800-153-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2800-218-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2908-93-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2908-149-0x0000000003210000-0x0000000003263000-memory.dmp

Filesize
332KB

Download
memory/2908-148-0x0000000003210000-0x0000000003263000-memory.dmp

Filesize
332KB

Download
memory/2908-156-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2908-150-0x0000000003210000-0x0000000003263000-memory.dmp

Filesize
332KB

Download
memory/2908-151-0x0000000003210000-0x0000000003263000-memory.dmp

Filesize
332KB

Download
memory/2908-215-0x0000000003210000-0x0000000003263000-memory.dmp

Filesize
332KB

Download
memory/2908-214-0x0000000003210000-0x0000000003263000-memory.dmp

Filesize
332KB

Download
memory/2908-107-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2908-109-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2908-105-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2908-95-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2908-261-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2908-97-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2908-103-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2908-99-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads