modiloader | f282666f769115b477cd8763a828362547fb4f3b74b5b11e7d419127dc817c11

Analysis

max time kernel
150s
max time network
122s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
16-12-2024 04:38

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General

Target

f282666f769115b477cd8763a828362547fb4f3b74b5b11e7d419127dc817c11.exe
Size

90KB
MD5

d9c5dbb377d7c72ed98595ad0afe5505
SHA1

19f5340767219dfd2de3e58a2a967f9f49310e47
SHA256

f282666f769115b477cd8763a828362547fb4f3b74b5b11e7d419127dc817c11
SHA512

13a28cd93606408a291e559ca34066584c5a2fce194b16c5fb4068e651fb0770c2e3ef7c03b141e48d4117a09efd221ab63931adbc8601e55c46c3edb74aec9e
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDK:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3o

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/1508-256-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral1/memory/1508-258-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
1860	csrsll.exe
1236	csrsll.exe
1508	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
2692	f282666f769115b477cd8763a828362547fb4f3b74b5b11e7d419127dc817c11.exe
2692	f282666f769115b477cd8763a828362547fb4f3b74b5b11e7d419127dc817c11.exe
2692	f282666f769115b477cd8763a828362547fb4f3b74b5b11e7d419127dc817c11.exe
2692	f282666f769115b477cd8763a828362547fb4f3b74b5b11e7d419127dc817c11.exe
2692	f282666f769115b477cd8763a828362547fb4f3b74b5b11e7d419127dc817c11.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-1-5-21-1163522206-1469769407-485553996-1000\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 2084 set thread context of 2692	2084	f282666f769115b477cd8763a828362547fb4f3b74b5b11e7d419127dc817c11.exe	31
PID 1860 set thread context of 1236	1860	csrsll.exe	36
PID 1860 set thread context of 1508	1860	csrsll.exe	37

UPX packed file 22 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2084-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2084-26-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2692-104-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2692-103-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2692-102-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2084-101-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2084-99-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2692-98-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2692-94-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2692-92-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2084-89-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2692-144-0x0000000003130000-0x0000000003183000-memory.dmp	upx
behavioral1/files/0x0009000000015d0e-142.dat	upx
behavioral1/memory/1860-151-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2692-152-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1860-213-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2692-254-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1860-251-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1508-256-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/1236-255-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1236-257-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1508-258-0x0000000000400000-0x0000000000414000-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	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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f282666f769115b477cd8763a828362547fb4f3b74b5b11e7d419127dc817c11.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f282666f769115b477cd8763a828362547fb4f3b74b5b11e7d419127dc817c11.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe
Token: SeDebugPrivilege	1236	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2084	f282666f769115b477cd8763a828362547fb4f3b74b5b11e7d419127dc817c11.exe
2692	f282666f769115b477cd8763a828362547fb4f3b74b5b11e7d419127dc817c11.exe
1860	csrsll.exe
1236	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2084 wrote to memory of 2692	2084	f282666f769115b477cd8763a828362547fb4f3b74b5b11e7d419127dc817c11.exe	31
PID 2084 wrote to memory of 2692	2084	f282666f769115b477cd8763a828362547fb4f3b74b5b11e7d419127dc817c11.exe	31
PID 2084 wrote to memory of 2692	2084	f282666f769115b477cd8763a828362547fb4f3b74b5b11e7d419127dc817c11.exe	31
PID 2084 wrote to memory of 2692	2084	f282666f769115b477cd8763a828362547fb4f3b74b5b11e7d419127dc817c11.exe	31
PID 2084 wrote to memory of 2692	2084	f282666f769115b477cd8763a828362547fb4f3b74b5b11e7d419127dc817c11.exe	31
PID 2084 wrote to memory of 2692	2084	f282666f769115b477cd8763a828362547fb4f3b74b5b11e7d419127dc817c11.exe	31
PID 2084 wrote to memory of 2692	2084	f282666f769115b477cd8763a828362547fb4f3b74b5b11e7d419127dc817c11.exe	31
PID 2084 wrote to memory of 2692	2084	f282666f769115b477cd8763a828362547fb4f3b74b5b11e7d419127dc817c11.exe	31
PID 2692 wrote to memory of 2876	2692	f282666f769115b477cd8763a828362547fb4f3b74b5b11e7d419127dc817c11.exe	32
PID 2692 wrote to memory of 2876	2692	f282666f769115b477cd8763a828362547fb4f3b74b5b11e7d419127dc817c11.exe	32
PID 2692 wrote to memory of 2876	2692	f282666f769115b477cd8763a828362547fb4f3b74b5b11e7d419127dc817c11.exe	32
PID 2692 wrote to memory of 2876	2692	f282666f769115b477cd8763a828362547fb4f3b74b5b11e7d419127dc817c11.exe	32
PID 2876 wrote to memory of 1956	2876	cmd.exe	34
PID 2876 wrote to memory of 1956	2876	cmd.exe	34
PID 2876 wrote to memory of 1956	2876	cmd.exe	34
PID 2876 wrote to memory of 1956	2876	cmd.exe	34
PID 2692 wrote to memory of 1860	2692	f282666f769115b477cd8763a828362547fb4f3b74b5b11e7d419127dc817c11.exe	35
PID 2692 wrote to memory of 1860	2692	f282666f769115b477cd8763a828362547fb4f3b74b5b11e7d419127dc817c11.exe	35
PID 2692 wrote to memory of 1860	2692	f282666f769115b477cd8763a828362547fb4f3b74b5b11e7d419127dc817c11.exe	35
PID 2692 wrote to memory of 1860	2692	f282666f769115b477cd8763a828362547fb4f3b74b5b11e7d419127dc817c11.exe	35
PID 1860 wrote to memory of 1236	1860	csrsll.exe	36
PID 1860 wrote to memory of 1236	1860	csrsll.exe	36
PID 1860 wrote to memory of 1236	1860	csrsll.exe	36
PID 1860 wrote to memory of 1236	1860	csrsll.exe	36
PID 1860 wrote to memory of 1236	1860	csrsll.exe	36
PID 1860 wrote to memory of 1236	1860	csrsll.exe	36
PID 1860 wrote to memory of 1236	1860	csrsll.exe	36
PID 1860 wrote to memory of 1236	1860	csrsll.exe	36
PID 1860 wrote to memory of 1508	1860	csrsll.exe	37
PID 1860 wrote to memory of 1508	1860	csrsll.exe	37
PID 1860 wrote to memory of 1508	1860	csrsll.exe	37
PID 1860 wrote to memory of 1508	1860	csrsll.exe	37
PID 1860 wrote to memory of 1508	1860	csrsll.exe	37
PID 1860 wrote to memory of 1508	1860	csrsll.exe	37
PID 1860 wrote to memory of 1508	1860	csrsll.exe	37
PID 1860 wrote to memory of 1508	1860	csrsll.exe	37

C:\Users\Admin\AppData\Local\Temp\f282666f769115b477cd8763a828362547fb4f3b74b5b11e7d419127dc817c11.exe
"C:\Users\Admin\AppData\Local\Temp\f282666f769115b477cd8763a828362547fb4f3b74b5b11e7d419127dc817c11.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2084
- C:\Users\Admin\AppData\Local\Temp\f282666f769115b477cd8763a828362547fb4f3b74b5b11e7d419127dc817c11.exe
  "C:\Users\Admin\AppData\Local\Temp\f282666f769115b477cd8763a828362547fb4f3b74b5b11e7d419127dc817c11.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2692
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\QDFAA.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2876
  - - 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:1956
- - 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:1860
  - - 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:1236
  - - 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:1508

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\QDFAA.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
13e8eb22b6a724dfb24599cd461262a6

SHA1
6dbcbfd27b3d085af788e2666b1f02295a04196f

SHA256
d98b20687a830bda2432b81b640b91582226949e832553f3f760a6ff0b711b4d

SHA512
ab23a4bbc9b42196aa7ac76203ed5c4072b417177f849da5d3ab5678ef6616095ad47dec751a37881603c95d6eba16edb97db214d018f0bd626e0436ddbd0f12

Download Submit
memory/1236-257-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1236-255-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1508-258-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1508-256-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1860-251-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1860-165-0x00000000002A0000-0x00000000002A1000-memory.dmp

Filesize
4KB

Download
memory/1860-176-0x00000000003C0000-0x00000000003C1000-memory.dmp

Filesize
4KB

Download
memory/1860-213-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1860-155-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/1860-151-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2084-41-0x00000000002A0000-0x00000000002A1000-memory.dmp

Filesize
4KB

Download
memory/2084-101-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2084-99-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2084-3-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2084-5-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2084-26-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2084-25-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/2084-15-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/2084-89-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2084-29-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/2084-79-0x00000000003A0000-0x00000000003A2000-memory.dmp

Filesize
8KB

Download
memory/2084-71-0x0000000000380000-0x0000000000381000-memory.dmp

Filesize
4KB

Download
memory/2084-61-0x00000000002E0000-0x00000000002E1000-memory.dmp

Filesize
4KB

Download
memory/2084-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2692-150-0x0000000003130000-0x0000000003183000-memory.dmp

Filesize
332KB

Download
memory/2692-102-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2692-148-0x0000000003130000-0x0000000003183000-memory.dmp

Filesize
332KB

Download
memory/2692-152-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2692-103-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2692-144-0x0000000003130000-0x0000000003183000-memory.dmp

Filesize
332KB

Download
memory/2692-210-0x0000000003130000-0x0000000003183000-memory.dmp

Filesize
332KB

Download
memory/2692-149-0x0000000003130000-0x0000000003183000-memory.dmp

Filesize
332KB

Download
memory/2692-104-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2692-254-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2692-90-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2692-92-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2692-94-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2692-96-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2692-98-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads