modiloader | 5ddd22412a0bce4584c168329d5af2bd8c56d818b0834f8832433a5caa9d5243

Analysis

max time kernel
119s
max time network
17s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
12-11-2024 02:24

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General

Target

5ddd22412a0bce4584c168329d5af2bd8c56d818b0834f8832433a5caa9d5243N.exe
Size

90KB
MD5

15938a110b16cb5985a8d05b1e47a810
SHA1

e4370220211cb41412d5024f28664d9203219b80
SHA256

5ddd22412a0bce4584c168329d5af2bd8c56d818b0834f8832433a5caa9d5243
SHA512

95ee8278ffb0348401c3a7a2724531e872fa0ebeb5b22e9d549bd7d53a841380bdad28f7f2c3ef3ad5aeae9ceaba0b58eceda6c985a6bd1d1c0989094c99b50b
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/468-262-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
1244	csrsll.exe
1588	csrsll.exe
468	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
1844	5ddd22412a0bce4584c168329d5af2bd8c56d818b0834f8832433a5caa9d5243N.exe
1844	5ddd22412a0bce4584c168329d5af2bd8c56d818b0834f8832433a5caa9d5243N.exe
1844	5ddd22412a0bce4584c168329d5af2bd8c56d818b0834f8832433a5caa9d5243N.exe
1844	5ddd22412a0bce4584c168329d5af2bd8c56d818b0834f8832433a5caa9d5243N.exe
1844	5ddd22412a0bce4584c168329d5af2bd8c56d818b0834f8832433a5caa9d5243N.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 2824 set thread context of 1844	2824	5ddd22412a0bce4584c168329d5af2bd8c56d818b0834f8832433a5caa9d5243N.exe	30
PID 1244 set thread context of 1588	1244	csrsll.exe	35
PID 1244 set thread context of 468	1244	csrsll.exe	36

UPX packed file 21 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2824-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2824-26-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2824-89-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1844-94-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1844-92-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1844-102-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1844-101-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1844-99-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1844-104-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2824-106-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/files/0x000d00000001202b-131.dat	upx
behavioral1/memory/1844-145-0x0000000002610000-0x0000000002663000-memory.dmp	upx
behavioral1/memory/1244-149-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1844-152-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1244-182-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/468-248-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/1844-257-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1588-232-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1244-252-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1588-259-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/468-262-0x0000000000400000-0x0000000000414000-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	5ddd22412a0bce4584c168329d5af2bd8c56d818b0834f8832433a5caa9d5243N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5ddd22412a0bce4584c168329d5af2bd8c56d818b0834f8832433a5caa9d5243N.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

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2824	5ddd22412a0bce4584c168329d5af2bd8c56d818b0834f8832433a5caa9d5243N.exe
1844	5ddd22412a0bce4584c168329d5af2bd8c56d818b0834f8832433a5caa9d5243N.exe
1244	csrsll.exe
1588	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2824 wrote to memory of 1844	2824	5ddd22412a0bce4584c168329d5af2bd8c56d818b0834f8832433a5caa9d5243N.exe	30
PID 2824 wrote to memory of 1844	2824	5ddd22412a0bce4584c168329d5af2bd8c56d818b0834f8832433a5caa9d5243N.exe	30
PID 2824 wrote to memory of 1844	2824	5ddd22412a0bce4584c168329d5af2bd8c56d818b0834f8832433a5caa9d5243N.exe	30
PID 2824 wrote to memory of 1844	2824	5ddd22412a0bce4584c168329d5af2bd8c56d818b0834f8832433a5caa9d5243N.exe	30
PID 2824 wrote to memory of 1844	2824	5ddd22412a0bce4584c168329d5af2bd8c56d818b0834f8832433a5caa9d5243N.exe	30
PID 2824 wrote to memory of 1844	2824	5ddd22412a0bce4584c168329d5af2bd8c56d818b0834f8832433a5caa9d5243N.exe	30
PID 2824 wrote to memory of 1844	2824	5ddd22412a0bce4584c168329d5af2bd8c56d818b0834f8832433a5caa9d5243N.exe	30
PID 2824 wrote to memory of 1844	2824	5ddd22412a0bce4584c168329d5af2bd8c56d818b0834f8832433a5caa9d5243N.exe	30
PID 1844 wrote to memory of 2052	1844	5ddd22412a0bce4584c168329d5af2bd8c56d818b0834f8832433a5caa9d5243N.exe	31
PID 1844 wrote to memory of 2052	1844	5ddd22412a0bce4584c168329d5af2bd8c56d818b0834f8832433a5caa9d5243N.exe	31
PID 1844 wrote to memory of 2052	1844	5ddd22412a0bce4584c168329d5af2bd8c56d818b0834f8832433a5caa9d5243N.exe	31
PID 1844 wrote to memory of 2052	1844	5ddd22412a0bce4584c168329d5af2bd8c56d818b0834f8832433a5caa9d5243N.exe	31
PID 2052 wrote to memory of 1840	2052	cmd.exe	33
PID 2052 wrote to memory of 1840	2052	cmd.exe	33
PID 2052 wrote to memory of 1840	2052	cmd.exe	33
PID 2052 wrote to memory of 1840	2052	cmd.exe	33
PID 1844 wrote to memory of 1244	1844	5ddd22412a0bce4584c168329d5af2bd8c56d818b0834f8832433a5caa9d5243N.exe	34
PID 1844 wrote to memory of 1244	1844	5ddd22412a0bce4584c168329d5af2bd8c56d818b0834f8832433a5caa9d5243N.exe	34
PID 1844 wrote to memory of 1244	1844	5ddd22412a0bce4584c168329d5af2bd8c56d818b0834f8832433a5caa9d5243N.exe	34
PID 1844 wrote to memory of 1244	1844	5ddd22412a0bce4584c168329d5af2bd8c56d818b0834f8832433a5caa9d5243N.exe	34
PID 1244 wrote to memory of 1588	1244	csrsll.exe	35
PID 1244 wrote to memory of 1588	1244	csrsll.exe	35
PID 1244 wrote to memory of 1588	1244	csrsll.exe	35
PID 1244 wrote to memory of 1588	1244	csrsll.exe	35
PID 1244 wrote to memory of 1588	1244	csrsll.exe	35
PID 1244 wrote to memory of 1588	1244	csrsll.exe	35
PID 1244 wrote to memory of 1588	1244	csrsll.exe	35
PID 1244 wrote to memory of 1588	1244	csrsll.exe	35
PID 1244 wrote to memory of 468	1244	csrsll.exe	36
PID 1244 wrote to memory of 468	1244	csrsll.exe	36
PID 1244 wrote to memory of 468	1244	csrsll.exe	36
PID 1244 wrote to memory of 468	1244	csrsll.exe	36
PID 1244 wrote to memory of 468	1244	csrsll.exe	36
PID 1244 wrote to memory of 468	1244	csrsll.exe	36
PID 1244 wrote to memory of 468	1244	csrsll.exe	36
PID 1244 wrote to memory of 468	1244	csrsll.exe	36

C:\Users\Admin\AppData\Local\Temp\5ddd22412a0bce4584c168329d5af2bd8c56d818b0834f8832433a5caa9d5243N.exe
"C:\Users\Admin\AppData\Local\Temp\5ddd22412a0bce4584c168329d5af2bd8c56d818b0834f8832433a5caa9d5243N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2824
- C:\Users\Admin\AppData\Local\Temp\5ddd22412a0bce4584c168329d5af2bd8c56d818b0834f8832433a5caa9d5243N.exe
  "C:\Users\Admin\AppData\Local\Temp\5ddd22412a0bce4584c168329d5af2bd8c56d818b0834f8832433a5caa9d5243N.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1844
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\BXWAN.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2052
  - - 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:1840
- - 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:1244
  - - 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:1588
  - - 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:468

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\BXWAN.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
68c9b6b9ef71a9e7fd7e861e9c48418b

SHA1
fc836e3f408a8b2f28bdb1413c323361dafa48b2

SHA256
63ec268596f772155a5d6d268643c89ab9936e27a307d9d23885e3b69b78d365

SHA512
ba954825e556a2f277df88d907e7d4a5c3be4531da3ce48af5e622c7571c441f88898a0f95bc21866df675a7f5a93fbbabb762e265e4cbfbe924ce68f33f66b8

Download Submit
memory/468-262-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/468-248-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1244-252-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1244-176-0x0000000000390000-0x0000000000391000-memory.dmp

Filesize
4KB

Download
memory/1244-182-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1244-165-0x0000000000370000-0x0000000000371000-memory.dmp

Filesize
4KB

Download
memory/1244-155-0x0000000000340000-0x0000000000341000-memory.dmp

Filesize
4KB

Download
memory/1244-149-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1588-259-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1588-232-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1844-94-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1844-257-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1844-231-0x0000000002620000-0x0000000002673000-memory.dmp

Filesize
332KB

Download
memory/1844-246-0x0000000002620000-0x0000000002673000-memory.dmp

Filesize
332KB

Download
memory/1844-97-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1844-102-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1844-101-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1844-99-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1844-104-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1844-247-0x0000000002620000-0x0000000002673000-memory.dmp

Filesize
332KB

Download
memory/1844-90-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1844-92-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1844-145-0x0000000002610000-0x0000000002663000-memory.dmp

Filesize
332KB

Download
memory/1844-148-0x0000000002610000-0x0000000002663000-memory.dmp

Filesize
332KB

Download
memory/1844-147-0x0000000002620000-0x0000000002673000-memory.dmp

Filesize
332KB

Download
memory/1844-152-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2824-41-0x00000000002A0000-0x00000000002A1000-memory.dmp

Filesize
4KB

Download
memory/2824-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2824-96-0x0000000001D30000-0x0000000001D83000-memory.dmp

Filesize
332KB

Download
memory/2824-79-0x00000000004F0000-0x00000000004F2000-memory.dmp

Filesize
8KB

Download
memory/2824-71-0x00000000004D0000-0x00000000004D1000-memory.dmp

Filesize
4KB

Download
memory/2824-26-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2824-89-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2824-16-0x00000000001E0000-0x00000000001E1000-memory.dmp

Filesize
4KB

Download
memory/2824-29-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/2824-106-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2824-13-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/2824-61-0x00000000003E0000-0x00000000003E1000-memory.dmp

Filesize
4KB

Download
memory/2824-3-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/2824-5-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads