modiloader | a23ace4145e7f2913b1885c81f6071771e254304a6432d638c4a47a0eec5a678

Analysis

max time kernel
118s
max time network
17s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
01-01-2025 19:20

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General

Target

a23ace4145e7f2913b1885c81f6071771e254304a6432d638c4a47a0eec5a678N.exe
Size

90KB
MD5

336113880bdd16b0f17b73753c430f50
SHA1

148c506416bce02f501731246d26e2c75f3a9a0c
SHA256

a23ace4145e7f2913b1885c81f6071771e254304a6432d638c4a47a0eec5a678
SHA512

5b58c6a9384b1a26a3cb0d43849b0142726085686d6990dd4e3c2a59237864c9e279c929da194b45c7398794fa322b34e9f41b16cb48bf69bc8569cc39e358e2
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 1 IoCs

resource	yara_rule
behavioral1/memory/2276-260-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
2900	csrsll.exe
780	csrsll.exe
2276	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
1040	a23ace4145e7f2913b1885c81f6071771e254304a6432d638c4a47a0eec5a678N.exe
1040	a23ace4145e7f2913b1885c81f6071771e254304a6432d638c4a47a0eec5a678N.exe
1040	a23ace4145e7f2913b1885c81f6071771e254304a6432d638c4a47a0eec5a678N.exe
1040	a23ace4145e7f2913b1885c81f6071771e254304a6432d638c4a47a0eec5a678N.exe
1040	a23ace4145e7f2913b1885c81f6071771e254304a6432d638c4a47a0eec5a678N.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-1-5-21-2703099537-420551529-3771253338-1000\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 640 set thread context of 1040	640	a23ace4145e7f2913b1885c81f6071771e254304a6432d638c4a47a0eec5a678N.exe	29
PID 2900 set thread context of 780	2900	csrsll.exe	34
PID 2900 set thread context of 2276	2900	csrsll.exe	35

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral1/memory/640-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/640-26-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/640-89-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1040-104-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/640-106-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1040-101-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1040-100-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1040-98-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1040-94-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1040-92-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x00090000000120fd-131.dat	upx
behavioral1/memory/1040-133-0x0000000003470000-0x00000000034C3000-memory.dmp	upx
behavioral1/memory/2900-150-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1040-153-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2900-213-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2276-249-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/2900-251-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1040-253-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/780-257-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2276-260-0x0000000000400000-0x0000000000414000-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	a23ace4145e7f2913b1885c81f6071771e254304a6432d638c4a47a0eec5a678N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a23ace4145e7f2913b1885c81f6071771e254304a6432d638c4a47a0eec5a678N.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	780	csrsll.exe
Token: SeDebugPrivilege	780	csrsll.exe
Token: SeDebugPrivilege	780	csrsll.exe
Token: SeDebugPrivilege	780	csrsll.exe
Token: SeDebugPrivilege	780	csrsll.exe
Token: SeDebugPrivilege	780	csrsll.exe
Token: SeDebugPrivilege	780	csrsll.exe
Token: SeDebugPrivilege	780	csrsll.exe
Token: SeDebugPrivilege	780	csrsll.exe
Token: SeDebugPrivilege	780	csrsll.exe
Token: SeDebugPrivilege	780	csrsll.exe
Token: SeDebugPrivilege	780	csrsll.exe
Token: SeDebugPrivilege	780	csrsll.exe
Token: SeDebugPrivilege	780	csrsll.exe
Token: SeDebugPrivilege	780	csrsll.exe
Token: SeDebugPrivilege	780	csrsll.exe
Token: SeDebugPrivilege	780	csrsll.exe
Token: SeDebugPrivilege	780	csrsll.exe
Token: SeDebugPrivilege	780	csrsll.exe
Token: SeDebugPrivilege	780	csrsll.exe
Token: SeDebugPrivilege	780	csrsll.exe
Token: SeDebugPrivilege	780	csrsll.exe
Token: SeDebugPrivilege	780	csrsll.exe
Token: SeDebugPrivilege	780	csrsll.exe
Token: SeDebugPrivilege	780	csrsll.exe
Token: SeDebugPrivilege	780	csrsll.exe
Token: SeDebugPrivilege	780	csrsll.exe
Token: SeDebugPrivilege	780	csrsll.exe
Token: SeDebugPrivilege	780	csrsll.exe
Token: SeDebugPrivilege	780	csrsll.exe
Token: SeDebugPrivilege	780	csrsll.exe
Token: SeDebugPrivilege	780	csrsll.exe
Token: SeDebugPrivilege	780	csrsll.exe
Token: SeDebugPrivilege	780	csrsll.exe
Token: SeDebugPrivilege	780	csrsll.exe
Token: SeDebugPrivilege	780	csrsll.exe
Token: SeDebugPrivilege	780	csrsll.exe
Token: SeDebugPrivilege	780	csrsll.exe
Token: SeDebugPrivilege	780	csrsll.exe
Token: SeDebugPrivilege	780	csrsll.exe
Token: SeDebugPrivilege	780	csrsll.exe
Token: SeDebugPrivilege	780	csrsll.exe
Token: SeDebugPrivilege	780	csrsll.exe
Token: SeDebugPrivilege	780	csrsll.exe
Token: SeDebugPrivilege	780	csrsll.exe
Token: SeDebugPrivilege	780	csrsll.exe
Token: SeDebugPrivilege	780	csrsll.exe
Token: SeDebugPrivilege	780	csrsll.exe
Token: SeDebugPrivilege	780	csrsll.exe
Token: SeDebugPrivilege	780	csrsll.exe
Token: SeDebugPrivilege	780	csrsll.exe
Token: SeDebugPrivilege	780	csrsll.exe
Token: SeDebugPrivilege	780	csrsll.exe
Token: SeDebugPrivilege	780	csrsll.exe
Token: SeDebugPrivilege	780	csrsll.exe
Token: SeDebugPrivilege	780	csrsll.exe
Token: SeDebugPrivilege	780	csrsll.exe
Token: SeDebugPrivilege	780	csrsll.exe
Token: SeDebugPrivilege	780	csrsll.exe
Token: SeDebugPrivilege	780	csrsll.exe
Token: SeDebugPrivilege	780	csrsll.exe
Token: SeDebugPrivilege	780	csrsll.exe
Token: SeDebugPrivilege	780	csrsll.exe
Token: SeDebugPrivilege	780	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
640	a23ace4145e7f2913b1885c81f6071771e254304a6432d638c4a47a0eec5a678N.exe
1040	a23ace4145e7f2913b1885c81f6071771e254304a6432d638c4a47a0eec5a678N.exe
2900	csrsll.exe
780	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 640 wrote to memory of 1040	640	a23ace4145e7f2913b1885c81f6071771e254304a6432d638c4a47a0eec5a678N.exe	29
PID 640 wrote to memory of 1040	640	a23ace4145e7f2913b1885c81f6071771e254304a6432d638c4a47a0eec5a678N.exe	29
PID 640 wrote to memory of 1040	640	a23ace4145e7f2913b1885c81f6071771e254304a6432d638c4a47a0eec5a678N.exe	29
PID 640 wrote to memory of 1040	640	a23ace4145e7f2913b1885c81f6071771e254304a6432d638c4a47a0eec5a678N.exe	29
PID 640 wrote to memory of 1040	640	a23ace4145e7f2913b1885c81f6071771e254304a6432d638c4a47a0eec5a678N.exe	29
PID 640 wrote to memory of 1040	640	a23ace4145e7f2913b1885c81f6071771e254304a6432d638c4a47a0eec5a678N.exe	29
PID 640 wrote to memory of 1040	640	a23ace4145e7f2913b1885c81f6071771e254304a6432d638c4a47a0eec5a678N.exe	29
PID 640 wrote to memory of 1040	640	a23ace4145e7f2913b1885c81f6071771e254304a6432d638c4a47a0eec5a678N.exe	29
PID 1040 wrote to memory of 1692	1040	a23ace4145e7f2913b1885c81f6071771e254304a6432d638c4a47a0eec5a678N.exe	30
PID 1040 wrote to memory of 1692	1040	a23ace4145e7f2913b1885c81f6071771e254304a6432d638c4a47a0eec5a678N.exe	30
PID 1040 wrote to memory of 1692	1040	a23ace4145e7f2913b1885c81f6071771e254304a6432d638c4a47a0eec5a678N.exe	30
PID 1040 wrote to memory of 1692	1040	a23ace4145e7f2913b1885c81f6071771e254304a6432d638c4a47a0eec5a678N.exe	30
PID 1692 wrote to memory of 1148	1692	cmd.exe	32
PID 1692 wrote to memory of 1148	1692	cmd.exe	32
PID 1692 wrote to memory of 1148	1692	cmd.exe	32
PID 1692 wrote to memory of 1148	1692	cmd.exe	32
PID 1040 wrote to memory of 2900	1040	a23ace4145e7f2913b1885c81f6071771e254304a6432d638c4a47a0eec5a678N.exe	33
PID 1040 wrote to memory of 2900	1040	a23ace4145e7f2913b1885c81f6071771e254304a6432d638c4a47a0eec5a678N.exe	33
PID 1040 wrote to memory of 2900	1040	a23ace4145e7f2913b1885c81f6071771e254304a6432d638c4a47a0eec5a678N.exe	33
PID 1040 wrote to memory of 2900	1040	a23ace4145e7f2913b1885c81f6071771e254304a6432d638c4a47a0eec5a678N.exe	33
PID 2900 wrote to memory of 780	2900	csrsll.exe	34
PID 2900 wrote to memory of 780	2900	csrsll.exe	34
PID 2900 wrote to memory of 780	2900	csrsll.exe	34
PID 2900 wrote to memory of 780	2900	csrsll.exe	34
PID 2900 wrote to memory of 780	2900	csrsll.exe	34
PID 2900 wrote to memory of 780	2900	csrsll.exe	34
PID 2900 wrote to memory of 780	2900	csrsll.exe	34
PID 2900 wrote to memory of 780	2900	csrsll.exe	34
PID 2900 wrote to memory of 2276	2900	csrsll.exe	35
PID 2900 wrote to memory of 2276	2900	csrsll.exe	35
PID 2900 wrote to memory of 2276	2900	csrsll.exe	35
PID 2900 wrote to memory of 2276	2900	csrsll.exe	35
PID 2900 wrote to memory of 2276	2900	csrsll.exe	35
PID 2900 wrote to memory of 2276	2900	csrsll.exe	35
PID 2900 wrote to memory of 2276	2900	csrsll.exe	35
PID 2900 wrote to memory of 2276	2900	csrsll.exe	35

C:\Users\Admin\AppData\Local\Temp\a23ace4145e7f2913b1885c81f6071771e254304a6432d638c4a47a0eec5a678N.exe
"C:\Users\Admin\AppData\Local\Temp\a23ace4145e7f2913b1885c81f6071771e254304a6432d638c4a47a0eec5a678N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:640
- C:\Users\Admin\AppData\Local\Temp\a23ace4145e7f2913b1885c81f6071771e254304a6432d638c4a47a0eec5a678N.exe
  "C:\Users\Admin\AppData\Local\Temp\a23ace4145e7f2913b1885c81f6071771e254304a6432d638c4a47a0eec5a678N.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1040
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\TECGB.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1692
  - - 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:1148
- - 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:2900
  - - 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:780
  - - 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:2276

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\TECGB.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
568b3b3a8a6fa4942ba84b571ddb4f63

SHA1
8483685dc3af16ae9786921e6a7d32d952d5cfd5

SHA256
1a20484ec8c7972b6d4bf6067610ba4dcaff0d66ee0c1fb77fe4ca35d078756b

SHA512
63c8e1d0acd1001e2b12c0432dc68c8137249a6a8efe088ca36dcb65f5b8982b838e871496311adb50909e5e0f705b86544754fc07a7ece7222dc243b0dee4db

Download Submit
memory/640-29-0x0000000000600000-0x0000000000601000-memory.dmp

Filesize
4KB

Download
memory/640-79-0x0000000000730000-0x0000000000732000-memory.dmp

Filesize
8KB

Download
memory/640-14-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/640-26-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/640-61-0x00000000006F0000-0x00000000006F1000-memory.dmp

Filesize
4KB

Download
memory/640-41-0x0000000000620000-0x0000000000621000-memory.dmp

Filesize
4KB

Download
memory/640-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/640-16-0x00000000003F0000-0x00000000003F1000-memory.dmp

Filesize
4KB

Download
memory/640-89-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/640-71-0x0000000000710000-0x0000000000711000-memory.dmp

Filesize
4KB

Download
memory/640-5-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/640-103-0x0000000002550000-0x00000000025A3000-memory.dmp

Filesize
332KB

Download
memory/640-106-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/640-3-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/780-257-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1040-92-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1040-147-0x0000000003470000-0x00000000034C3000-memory.dmp

Filesize
332KB

Download
memory/1040-94-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1040-98-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1040-90-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1040-100-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1040-101-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1040-133-0x0000000003470000-0x00000000034C3000-memory.dmp

Filesize
332KB

Download
memory/1040-148-0x0000000003470000-0x00000000034C3000-memory.dmp

Filesize
332KB

Download
memory/1040-240-0x0000000003470000-0x00000000034C3000-memory.dmp

Filesize
332KB

Download
memory/1040-146-0x0000000003470000-0x00000000034C3000-memory.dmp

Filesize
332KB

Download
memory/1040-96-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1040-153-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1040-253-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1040-104-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1040-242-0x0000000003470000-0x00000000034C3000-memory.dmp

Filesize
332KB

Download
memory/2276-260-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2276-249-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2900-150-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2900-251-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2900-166-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/2900-213-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2900-177-0x00000000003D0000-0x00000000003D1000-memory.dmp

Filesize
4KB

Download
memory/2900-156-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads