modiloader | 513e8b3f1e100de1c5f5c26f3f748ec540ff6dabcea774051b8dc3ef8f37bb43

Analysis

max time kernel
119s
max time network
18s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
19-12-2024 00:46

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General

Target

513e8b3f1e100de1c5f5c26f3f748ec540ff6dabcea774051b8dc3ef8f37bb43.exe
Size

90KB
MD5

ba99f929719246d68aad3d56d4a4e8b9
SHA1

7b8da0da9aa6073afc4e072a47fe5babcdc78d18
SHA256

513e8b3f1e100de1c5f5c26f3f748ec540ff6dabcea774051b8dc3ef8f37bb43
SHA512

37330ac79d89730f0f476d6b9a66466b74a09984583cb5c7699910ee74de29c932c2680650f1a46bcb4428babcd71f2b529e73955e761ed535991dc8407b2855
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oD9:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3r

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 2 IoCs

resource	yara_rule
behavioral1/memory/1800-256-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral1/memory/1800-258-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
784	csrsll.exe
1776	csrsll.exe
1800	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
3016	513e8b3f1e100de1c5f5c26f3f748ec540ff6dabcea774051b8dc3ef8f37bb43.exe
3016	513e8b3f1e100de1c5f5c26f3f748ec540ff6dabcea774051b8dc3ef8f37bb43.exe
3016	513e8b3f1e100de1c5f5c26f3f748ec540ff6dabcea774051b8dc3ef8f37bb43.exe
3016	513e8b3f1e100de1c5f5c26f3f748ec540ff6dabcea774051b8dc3ef8f37bb43.exe
3016	513e8b3f1e100de1c5f5c26f3f748ec540ff6dabcea774051b8dc3ef8f37bb43.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-1-5-21-4177215427-74451935-3209572229-1000\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 3068 set thread context of 3016	3068	513e8b3f1e100de1c5f5c26f3f748ec540ff6dabcea774051b8dc3ef8f37bb43.exe	30
PID 784 set thread context of 1776	784	csrsll.exe	35
PID 784 set thread context of 1800	784	csrsll.exe	36

UPX packed file 18 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3068-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/3068-26-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/3068-89-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/3016-93-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/3016-95-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/3016-99-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/3016-104-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/3016-106-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/3068-103-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/3016-102-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x00090000000120f9-131.dat	upx
behavioral1/memory/3016-152-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/784-248-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/3016-251-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1800-256-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/1776-257-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1800-258-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/1776-261-0x0000000000400000-0x000000000040B000-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	513e8b3f1e100de1c5f5c26f3f748ec540ff6dabcea774051b8dc3ef8f37bb43.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	513e8b3f1e100de1c5f5c26f3f748ec540ff6dabcea774051b8dc3ef8f37bb43.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

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	1776	csrsll.exe
Token: SeDebugPrivilege	1776	csrsll.exe
Token: SeDebugPrivilege	1776	csrsll.exe
Token: SeDebugPrivilege	1776	csrsll.exe
Token: SeDebugPrivilege	1776	csrsll.exe
Token: SeDebugPrivilege	1776	csrsll.exe
Token: SeDebugPrivilege	1776	csrsll.exe
Token: SeDebugPrivilege	1776	csrsll.exe
Token: SeDebugPrivilege	1776	csrsll.exe
Token: SeDebugPrivilege	1776	csrsll.exe
Token: SeDebugPrivilege	1776	csrsll.exe
Token: SeDebugPrivilege	1776	csrsll.exe
Token: SeDebugPrivilege	1776	csrsll.exe
Token: SeDebugPrivilege	1776	csrsll.exe
Token: SeDebugPrivilege	1776	csrsll.exe
Token: SeDebugPrivilege	1776	csrsll.exe
Token: SeDebugPrivilege	1776	csrsll.exe
Token: SeDebugPrivilege	1776	csrsll.exe
Token: SeDebugPrivilege	1776	csrsll.exe
Token: SeDebugPrivilege	1776	csrsll.exe
Token: SeDebugPrivilege	1776	csrsll.exe
Token: SeDebugPrivilege	1776	csrsll.exe
Token: SeDebugPrivilege	1776	csrsll.exe
Token: SeDebugPrivilege	1776	csrsll.exe
Token: SeDebugPrivilege	1776	csrsll.exe
Token: SeDebugPrivilege	1776	csrsll.exe
Token: SeDebugPrivilege	1776	csrsll.exe
Token: SeDebugPrivilege	1776	csrsll.exe
Token: SeDebugPrivilege	1776	csrsll.exe
Token: SeDebugPrivilege	1776	csrsll.exe
Token: SeDebugPrivilege	1776	csrsll.exe
Token: SeDebugPrivilege	1776	csrsll.exe
Token: SeDebugPrivilege	1776	csrsll.exe
Token: SeDebugPrivilege	1776	csrsll.exe
Token: SeDebugPrivilege	1776	csrsll.exe
Token: SeDebugPrivilege	1776	csrsll.exe
Token: SeDebugPrivilege	1776	csrsll.exe
Token: SeDebugPrivilege	1776	csrsll.exe
Token: SeDebugPrivilege	1776	csrsll.exe
Token: SeDebugPrivilege	1776	csrsll.exe
Token: SeDebugPrivilege	1776	csrsll.exe
Token: SeDebugPrivilege	1776	csrsll.exe
Token: SeDebugPrivilege	1776	csrsll.exe
Token: SeDebugPrivilege	1776	csrsll.exe
Token: SeDebugPrivilege	1776	csrsll.exe
Token: SeDebugPrivilege	1776	csrsll.exe
Token: SeDebugPrivilege	1776	csrsll.exe
Token: SeDebugPrivilege	1776	csrsll.exe
Token: SeDebugPrivilege	1776	csrsll.exe
Token: SeDebugPrivilege	1776	csrsll.exe
Token: SeDebugPrivilege	1776	csrsll.exe
Token: SeDebugPrivilege	1776	csrsll.exe
Token: SeDebugPrivilege	1776	csrsll.exe
Token: SeDebugPrivilege	1776	csrsll.exe
Token: SeDebugPrivilege	1776	csrsll.exe
Token: SeDebugPrivilege	1776	csrsll.exe
Token: SeDebugPrivilege	1776	csrsll.exe
Token: SeDebugPrivilege	1776	csrsll.exe
Token: SeDebugPrivilege	1776	csrsll.exe
Token: SeDebugPrivilege	1776	csrsll.exe
Token: SeDebugPrivilege	1776	csrsll.exe
Token: SeDebugPrivilege	1776	csrsll.exe
Token: SeDebugPrivilege	1776	csrsll.exe
Token: SeDebugPrivilege	1776	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3068	513e8b3f1e100de1c5f5c26f3f748ec540ff6dabcea774051b8dc3ef8f37bb43.exe
3016	513e8b3f1e100de1c5f5c26f3f748ec540ff6dabcea774051b8dc3ef8f37bb43.exe
784	csrsll.exe
1776	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 3068 wrote to memory of 3016	3068	513e8b3f1e100de1c5f5c26f3f748ec540ff6dabcea774051b8dc3ef8f37bb43.exe	30
PID 3068 wrote to memory of 3016	3068	513e8b3f1e100de1c5f5c26f3f748ec540ff6dabcea774051b8dc3ef8f37bb43.exe	30
PID 3068 wrote to memory of 3016	3068	513e8b3f1e100de1c5f5c26f3f748ec540ff6dabcea774051b8dc3ef8f37bb43.exe	30
PID 3068 wrote to memory of 3016	3068	513e8b3f1e100de1c5f5c26f3f748ec540ff6dabcea774051b8dc3ef8f37bb43.exe	30
PID 3068 wrote to memory of 3016	3068	513e8b3f1e100de1c5f5c26f3f748ec540ff6dabcea774051b8dc3ef8f37bb43.exe	30
PID 3068 wrote to memory of 3016	3068	513e8b3f1e100de1c5f5c26f3f748ec540ff6dabcea774051b8dc3ef8f37bb43.exe	30
PID 3068 wrote to memory of 3016	3068	513e8b3f1e100de1c5f5c26f3f748ec540ff6dabcea774051b8dc3ef8f37bb43.exe	30
PID 3068 wrote to memory of 3016	3068	513e8b3f1e100de1c5f5c26f3f748ec540ff6dabcea774051b8dc3ef8f37bb43.exe	30
PID 3016 wrote to memory of 1676	3016	513e8b3f1e100de1c5f5c26f3f748ec540ff6dabcea774051b8dc3ef8f37bb43.exe	31
PID 3016 wrote to memory of 1676	3016	513e8b3f1e100de1c5f5c26f3f748ec540ff6dabcea774051b8dc3ef8f37bb43.exe	31
PID 3016 wrote to memory of 1676	3016	513e8b3f1e100de1c5f5c26f3f748ec540ff6dabcea774051b8dc3ef8f37bb43.exe	31
PID 3016 wrote to memory of 1676	3016	513e8b3f1e100de1c5f5c26f3f748ec540ff6dabcea774051b8dc3ef8f37bb43.exe	31
PID 1676 wrote to memory of 1684	1676	cmd.exe	33
PID 1676 wrote to memory of 1684	1676	cmd.exe	33
PID 1676 wrote to memory of 1684	1676	cmd.exe	33
PID 1676 wrote to memory of 1684	1676	cmd.exe	33
PID 3016 wrote to memory of 784	3016	513e8b3f1e100de1c5f5c26f3f748ec540ff6dabcea774051b8dc3ef8f37bb43.exe	34
PID 3016 wrote to memory of 784	3016	513e8b3f1e100de1c5f5c26f3f748ec540ff6dabcea774051b8dc3ef8f37bb43.exe	34
PID 3016 wrote to memory of 784	3016	513e8b3f1e100de1c5f5c26f3f748ec540ff6dabcea774051b8dc3ef8f37bb43.exe	34
PID 3016 wrote to memory of 784	3016	513e8b3f1e100de1c5f5c26f3f748ec540ff6dabcea774051b8dc3ef8f37bb43.exe	34
PID 784 wrote to memory of 1776	784	csrsll.exe	35
PID 784 wrote to memory of 1776	784	csrsll.exe	35
PID 784 wrote to memory of 1776	784	csrsll.exe	35
PID 784 wrote to memory of 1776	784	csrsll.exe	35
PID 784 wrote to memory of 1776	784	csrsll.exe	35
PID 784 wrote to memory of 1776	784	csrsll.exe	35
PID 784 wrote to memory of 1776	784	csrsll.exe	35
PID 784 wrote to memory of 1776	784	csrsll.exe	35
PID 784 wrote to memory of 1800	784	csrsll.exe	36
PID 784 wrote to memory of 1800	784	csrsll.exe	36
PID 784 wrote to memory of 1800	784	csrsll.exe	36
PID 784 wrote to memory of 1800	784	csrsll.exe	36
PID 784 wrote to memory of 1800	784	csrsll.exe	36
PID 784 wrote to memory of 1800	784	csrsll.exe	36
PID 784 wrote to memory of 1800	784	csrsll.exe	36
PID 784 wrote to memory of 1800	784	csrsll.exe	36

C:\Users\Admin\AppData\Local\Temp\513e8b3f1e100de1c5f5c26f3f748ec540ff6dabcea774051b8dc3ef8f37bb43.exe
"C:\Users\Admin\AppData\Local\Temp\513e8b3f1e100de1c5f5c26f3f748ec540ff6dabcea774051b8dc3ef8f37bb43.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3068
- C:\Users\Admin\AppData\Local\Temp\513e8b3f1e100de1c5f5c26f3f748ec540ff6dabcea774051b8dc3ef8f37bb43.exe
  "C:\Users\Admin\AppData\Local\Temp\513e8b3f1e100de1c5f5c26f3f748ec540ff6dabcea774051b8dc3ef8f37bb43.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3016
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\PCEYU.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1676
  - - 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:1684
- - 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:784
  - - 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:1776
  - - 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:1800

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\PCEYU.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
a7d3dc8f5adf9b1939baaf9a17832003

SHA1
8d08831b950b043bc3df24550d6c58a95db47b76

SHA256
87eda48589d8673346e49cdcc7efdbee799377a89ae099430dd21d834922e3e8

SHA512
09b4e1920fac6beb631093b793e1067d2099a19d2c4e25c05ce9a6e06817e4a86a7eb530133566ebbcd2ea87c26f53e1f796e759b9b180e7e4a11cb2331570c1

Download Submit
memory/784-248-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/784-165-0x00000000001E0000-0x00000000001E1000-memory.dmp

Filesize
4KB

Download
memory/784-155-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/784-176-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/1776-261-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1776-257-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1800-258-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1800-256-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3016-93-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3016-106-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3016-145-0x0000000003140000-0x0000000003193000-memory.dmp

Filesize
332KB

Download
memory/3016-95-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3016-91-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3016-221-0x0000000003150000-0x00000000031A3000-memory.dmp

Filesize
332KB

Download
memory/3016-97-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3016-99-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3016-104-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3016-251-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3016-152-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3016-102-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3016-216-0x0000000003140000-0x0000000003193000-memory.dmp

Filesize
332KB

Download
memory/3016-255-0x0000000003150000-0x00000000031A3000-memory.dmp

Filesize
332KB

Download
memory/3016-146-0x0000000003150000-0x00000000031A3000-memory.dmp

Filesize
332KB

Download
memory/3016-148-0x0000000003150000-0x00000000031A3000-memory.dmp

Filesize
332KB

Download
memory/3016-147-0x0000000003150000-0x00000000031A3000-memory.dmp

Filesize
332KB

Download
memory/3068-79-0x00000000003E0000-0x00000000003E2000-memory.dmp

Filesize
8KB

Download
memory/3068-103-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3068-90-0x0000000001E30000-0x0000000001E83000-memory.dmp

Filesize
332KB

Download
memory/3068-89-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3068-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3068-29-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/3068-61-0x00000000002E0000-0x00000000002E1000-memory.dmp

Filesize
4KB

Download
memory/3068-71-0x00000000003C0000-0x00000000003C1000-memory.dmp

Filesize
4KB

Download
memory/3068-41-0x00000000002A0000-0x00000000002A1000-memory.dmp

Filesize
4KB

Download
memory/3068-26-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3068-18-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/3068-15-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/3068-5-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/3068-3-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads