modiloader | 0f28a9f0c4b8857a4cf8cd24f9d4a2b351e55712aa84905d5731b9dc08dc91f6

Analysis

max time kernel
149s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20-01-2025 20:16

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General

Target

0f28a9f0c4b8857a4cf8cd24f9d4a2b351e55712aa84905d5731b9dc08dc91f6.exe
Size

90KB
MD5

4d75201a0e3fa22266ba896250c2bbc8
SHA1

0981f1045f15b12ea4168e94c18dbd6276a294aa
SHA256

0f28a9f0c4b8857a4cf8cd24f9d4a2b351e55712aa84905d5731b9dc08dc91f6
SHA512

73eb740b505cd10df648b126f1e3bfe48cc25d968adb15ec796705b88efc5dbc405b8f9180848208725db4039cccce9a9a3aba818e422c711740292a68ad1b46
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDp:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3P

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/1660-262-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
1736	csrsll.exe
628	csrsll.exe
1660	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
2764	0f28a9f0c4b8857a4cf8cd24f9d4a2b351e55712aa84905d5731b9dc08dc91f6.exe
2764	0f28a9f0c4b8857a4cf8cd24f9d4a2b351e55712aa84905d5731b9dc08dc91f6.exe
2764	0f28a9f0c4b8857a4cf8cd24f9d4a2b351e55712aa84905d5731b9dc08dc91f6.exe
2764	0f28a9f0c4b8857a4cf8cd24f9d4a2b351e55712aa84905d5731b9dc08dc91f6.exe
2764	0f28a9f0c4b8857a4cf8cd24f9d4a2b351e55712aa84905d5731b9dc08dc91f6.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-1-5-21-3533259084-2542256011-65585152-1000\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 988 set thread context of 2764	988	0f28a9f0c4b8857a4cf8cd24f9d4a2b351e55712aa84905d5731b9dc08dc91f6.exe	31
PID 1736 set thread context of 628	1736	csrsll.exe	36
PID 1736 set thread context of 1660	1736	csrsll.exe	37

UPX packed file 21 IoCs

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

upx

resource	yara_rule
behavioral1/memory/988-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/988-91-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/988-82-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/988-81-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/988-26-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2764-108-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2764-106-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2764-105-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/988-103-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2764-101-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2764-96-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2764-94-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x0005000000004ed7-133.dat	upx
behavioral1/memory/2764-135-0x0000000003210000-0x0000000003263000-memory.dmp	upx
behavioral1/memory/2764-154-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1736-222-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1736-251-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1660-252-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/2764-255-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/628-259-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1660-262-0x0000000000400000-0x0000000000414000-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	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0f28a9f0c4b8857a4cf8cd24f9d4a2b351e55712aa84905d5731b9dc08dc91f6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0f28a9f0c4b8857a4cf8cd24f9d4a2b351e55712aa84905d5731b9dc08dc91f6.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	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe
Token: SeDebugPrivilege	628	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
988	0f28a9f0c4b8857a4cf8cd24f9d4a2b351e55712aa84905d5731b9dc08dc91f6.exe
2764	0f28a9f0c4b8857a4cf8cd24f9d4a2b351e55712aa84905d5731b9dc08dc91f6.exe
1736	csrsll.exe
628	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 988 wrote to memory of 2764	988	0f28a9f0c4b8857a4cf8cd24f9d4a2b351e55712aa84905d5731b9dc08dc91f6.exe	31
PID 988 wrote to memory of 2764	988	0f28a9f0c4b8857a4cf8cd24f9d4a2b351e55712aa84905d5731b9dc08dc91f6.exe	31
PID 988 wrote to memory of 2764	988	0f28a9f0c4b8857a4cf8cd24f9d4a2b351e55712aa84905d5731b9dc08dc91f6.exe	31
PID 988 wrote to memory of 2764	988	0f28a9f0c4b8857a4cf8cd24f9d4a2b351e55712aa84905d5731b9dc08dc91f6.exe	31
PID 988 wrote to memory of 2764	988	0f28a9f0c4b8857a4cf8cd24f9d4a2b351e55712aa84905d5731b9dc08dc91f6.exe	31
PID 988 wrote to memory of 2764	988	0f28a9f0c4b8857a4cf8cd24f9d4a2b351e55712aa84905d5731b9dc08dc91f6.exe	31
PID 988 wrote to memory of 2764	988	0f28a9f0c4b8857a4cf8cd24f9d4a2b351e55712aa84905d5731b9dc08dc91f6.exe	31
PID 988 wrote to memory of 2764	988	0f28a9f0c4b8857a4cf8cd24f9d4a2b351e55712aa84905d5731b9dc08dc91f6.exe	31
PID 2764 wrote to memory of 2064	2764	0f28a9f0c4b8857a4cf8cd24f9d4a2b351e55712aa84905d5731b9dc08dc91f6.exe	32
PID 2764 wrote to memory of 2064	2764	0f28a9f0c4b8857a4cf8cd24f9d4a2b351e55712aa84905d5731b9dc08dc91f6.exe	32
PID 2764 wrote to memory of 2064	2764	0f28a9f0c4b8857a4cf8cd24f9d4a2b351e55712aa84905d5731b9dc08dc91f6.exe	32
PID 2764 wrote to memory of 2064	2764	0f28a9f0c4b8857a4cf8cd24f9d4a2b351e55712aa84905d5731b9dc08dc91f6.exe	32
PID 2064 wrote to memory of 584	2064	cmd.exe	34
PID 2064 wrote to memory of 584	2064	cmd.exe	34
PID 2064 wrote to memory of 584	2064	cmd.exe	34
PID 2064 wrote to memory of 584	2064	cmd.exe	34
PID 2764 wrote to memory of 1736	2764	0f28a9f0c4b8857a4cf8cd24f9d4a2b351e55712aa84905d5731b9dc08dc91f6.exe	35
PID 2764 wrote to memory of 1736	2764	0f28a9f0c4b8857a4cf8cd24f9d4a2b351e55712aa84905d5731b9dc08dc91f6.exe	35
PID 2764 wrote to memory of 1736	2764	0f28a9f0c4b8857a4cf8cd24f9d4a2b351e55712aa84905d5731b9dc08dc91f6.exe	35
PID 2764 wrote to memory of 1736	2764	0f28a9f0c4b8857a4cf8cd24f9d4a2b351e55712aa84905d5731b9dc08dc91f6.exe	35
PID 1736 wrote to memory of 628	1736	csrsll.exe	36
PID 1736 wrote to memory of 628	1736	csrsll.exe	36
PID 1736 wrote to memory of 628	1736	csrsll.exe	36
PID 1736 wrote to memory of 628	1736	csrsll.exe	36
PID 1736 wrote to memory of 628	1736	csrsll.exe	36
PID 1736 wrote to memory of 628	1736	csrsll.exe	36
PID 1736 wrote to memory of 628	1736	csrsll.exe	36
PID 1736 wrote to memory of 628	1736	csrsll.exe	36
PID 1736 wrote to memory of 1660	1736	csrsll.exe	37
PID 1736 wrote to memory of 1660	1736	csrsll.exe	37
PID 1736 wrote to memory of 1660	1736	csrsll.exe	37
PID 1736 wrote to memory of 1660	1736	csrsll.exe	37
PID 1736 wrote to memory of 1660	1736	csrsll.exe	37
PID 1736 wrote to memory of 1660	1736	csrsll.exe	37
PID 1736 wrote to memory of 1660	1736	csrsll.exe	37
PID 1736 wrote to memory of 1660	1736	csrsll.exe	37

C:\Users\Admin\AppData\Local\Temp\0f28a9f0c4b8857a4cf8cd24f9d4a2b351e55712aa84905d5731b9dc08dc91f6.exe
"C:\Users\Admin\AppData\Local\Temp\0f28a9f0c4b8857a4cf8cd24f9d4a2b351e55712aa84905d5731b9dc08dc91f6.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:988
- C:\Users\Admin\AppData\Local\Temp\0f28a9f0c4b8857a4cf8cd24f9d4a2b351e55712aa84905d5731b9dc08dc91f6.exe
  "C:\Users\Admin\AppData\Local\Temp\0f28a9f0c4b8857a4cf8cd24f9d4a2b351e55712aa84905d5731b9dc08dc91f6.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2764
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\LPMAM.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2064
  - - 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:584
- - 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:1736
  - - 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:628
  - - 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:1660

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\LPMAM.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
a8d6c40c8e7160d831f9575d7473b2b4

SHA1
e05bb37a004abb29245e03db38c473059cd78241

SHA256
9a8471bf985d9f9a9605ce8dde987af0ed0e60d145fd265c808d768995cb4a1e

SHA512
4fd4953844c1f8f2f7587c5e8429b464da9a48bb4584acd3accdb7a6e1c021e783d27b020c8c3c4d0ea7da7f38e25bdf7204efab3bd94500800cad7164e8a8b3

Download Submit
memory/628-259-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/988-98-0x00000000027D0000-0x0000000002823000-memory.dmp

Filesize
332KB

Download
memory/988-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/988-91-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/988-82-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/988-81-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/988-79-0x0000000000480000-0x0000000000482000-memory.dmp

Filesize
8KB

Download
memory/988-71-0x0000000000460000-0x0000000000461000-memory.dmp

Filesize
4KB

Download
memory/988-61-0x00000000003E0000-0x00000000003E1000-memory.dmp

Filesize
4KB

Download
memory/988-41-0x0000000000360000-0x0000000000361000-memory.dmp

Filesize
4KB

Download
memory/988-29-0x0000000000330000-0x0000000000331000-memory.dmp

Filesize
4KB

Download
memory/988-26-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/988-5-0x00000000002B0000-0x00000000002B1000-memory.dmp

Filesize
4KB

Download
memory/988-3-0x00000000002B0000-0x00000000002B1000-memory.dmp

Filesize
4KB

Download
memory/988-25-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/988-103-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/988-15-0x0000000000310000-0x0000000000311000-memory.dmp

Filesize
4KB

Download
memory/1660-252-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1660-262-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1736-157-0x00000000003B0000-0x00000000003B1000-memory.dmp

Filesize
4KB

Download
memory/1736-251-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1736-167-0x00000000003E0000-0x00000000003E1000-memory.dmp

Filesize
4KB

Download
memory/1736-178-0x00000000005F0000-0x00000000005F1000-memory.dmp

Filesize
4KB

Download
memory/1736-222-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2764-108-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2764-106-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2764-150-0x0000000003210000-0x0000000003263000-memory.dmp

Filesize
332KB

Download
memory/2764-149-0x0000000003210000-0x0000000003263000-memory.dmp

Filesize
332KB

Download
memory/2764-154-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2764-135-0x0000000003210000-0x0000000003263000-memory.dmp

Filesize
332KB

Download
memory/2764-99-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2764-148-0x0000000003210000-0x0000000003263000-memory.dmp

Filesize
332KB

Download
memory/2764-105-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2764-92-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2764-94-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2764-244-0x0000000003210000-0x0000000003263000-memory.dmp

Filesize
332KB

Download
memory/2764-243-0x0000000003210000-0x0000000003263000-memory.dmp

Filesize
332KB

Download
memory/2764-255-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2764-96-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2764-101-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads