modiloader | 270841b6f36d94e769c79f973edaee459b4cd16af8c9e1059be1783caa777153

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
12/12/2024, 19:03

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General

Target

270841b6f36d94e769c79f973edaee459b4cd16af8c9e1059be1783caa777153N.exe
Size

94KB
MD5

bb3a0948e634c7257a6fd9a5e2810d80
SHA1

8d2ff88d311a7e5963ce60740d23632dcc564352
SHA256

270841b6f36d94e769c79f973edaee459b4cd16af8c9e1059be1783caa777153
SHA512

05187608bea2bf35c919d20ec8f741085abca1ca328f370c62114dbe1b43cd1ee9537bb31ce3b0d9a6179d1705c36f73e1c4bbaec5ef662aad65ae4a18612e8f
SSDEEP

1536:/pdyL9GjGiwA1z0PmVggNJKbFD2BBMx1RiwmPJr3raDk5BRf13KH9m2POE/:/pdyLALwACPmV3NYaYLiwIt3raA5BRfM

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/147884-147853-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral1/memory/147884-147863-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
231784	csrsll.exe
147804	csrsll.exe
147884	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
231568	270841b6f36d94e769c79f973edaee459b4cd16af8c9e1059be1783caa777153N.exe
231568	270841b6f36d94e769c79f973edaee459b4cd16af8c9e1059be1783caa777153N.exe
231568	270841b6f36d94e769c79f973edaee459b4cd16af8c9e1059be1783caa777153N.exe
231568	270841b6f36d94e769c79f973edaee459b4cd16af8c9e1059be1783caa777153N.exe
231568	270841b6f36d94e769c79f973edaee459b4cd16af8c9e1059be1783caa777153N.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 1568 set thread context of 231568	1568	270841b6f36d94e769c79f973edaee459b4cd16af8c9e1059be1783caa777153N.exe	30
PID 231784 set thread context of 147804	231784	csrsll.exe	35
PID 231784 set thread context of 147884	231784	csrsll.exe	36

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1568-0-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/1568-143-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/1568-73919-0x0000000002750000-0x00000000027A6000-memory.dmp	upx
behavioral1/memory/1568-73916-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/231568-73922-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/231568-73924-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/231568-73927-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/231568-73928-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1568-73929-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/231568-73930-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/231568-73957-0x0000000002680000-0x00000000026D6000-memory.dmp	upx
behavioral1/files/0x00080000000120fe-73968.dat	upx
behavioral1/memory/231568-86479-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/231784-108238-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/147804-147843-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/147884-147853-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/231784-147856-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/231568-147859-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/147804-147860-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/147884-147863-0x0000000000400000-0x0000000000414000-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	270841b6f36d94e769c79f973edaee459b4cd16af8c9e1059be1783caa777153N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	270841b6f36d94e769c79f973edaee459b4cd16af8c9e1059be1783caa777153N.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 54 IoCs

description	pid	Process
Token: SeDebugPrivilege	147804	csrsll.exe
Token: SeDebugPrivilege	147804	csrsll.exe
Token: SeDebugPrivilege	147804	csrsll.exe
Token: SeDebugPrivilege	147804	csrsll.exe
Token: SeDebugPrivilege	147804	csrsll.exe
Token: SeDebugPrivilege	147804	csrsll.exe
Token: SeDebugPrivilege	147804	csrsll.exe
Token: SeDebugPrivilege	147804	csrsll.exe
Token: SeDebugPrivilege	147804	csrsll.exe
Token: SeDebugPrivilege	147804	csrsll.exe
Token: SeDebugPrivilege	147804	csrsll.exe
Token: SeDebugPrivilege	147804	csrsll.exe
Token: SeDebugPrivilege	147804	csrsll.exe
Token: SeDebugPrivilege	147804	csrsll.exe
Token: SeDebugPrivilege	147804	csrsll.exe
Token: SeDebugPrivilege	147804	csrsll.exe
Token: SeDebugPrivilege	147804	csrsll.exe
Token: SeDebugPrivilege	147804	csrsll.exe
Token: SeDebugPrivilege	147804	csrsll.exe
Token: SeDebugPrivilege	147804	csrsll.exe
Token: SeDebugPrivilege	147804	csrsll.exe
Token: SeDebugPrivilege	147804	csrsll.exe
Token: SeDebugPrivilege	147804	csrsll.exe
Token: SeDebugPrivilege	147804	csrsll.exe
Token: SeDebugPrivilege	147804	csrsll.exe
Token: SeDebugPrivilege	147804	csrsll.exe
Token: SeDebugPrivilege	147804	csrsll.exe
Token: SeDebugPrivilege	147804	csrsll.exe
Token: SeDebugPrivilege	147804	csrsll.exe
Token: SeDebugPrivilege	147804	csrsll.exe
Token: SeDebugPrivilege	147804	csrsll.exe
Token: SeDebugPrivilege	147804	csrsll.exe
Token: SeDebugPrivilege	147804	csrsll.exe
Token: SeDebugPrivilege	147804	csrsll.exe
Token: SeDebugPrivilege	147804	csrsll.exe
Token: SeDebugPrivilege	147804	csrsll.exe
Token: SeDebugPrivilege	147804	csrsll.exe
Token: SeDebugPrivilege	147804	csrsll.exe
Token: SeDebugPrivilege	147804	csrsll.exe
Token: SeDebugPrivilege	147804	csrsll.exe
Token: SeDebugPrivilege	147804	csrsll.exe
Token: SeDebugPrivilege	147804	csrsll.exe
Token: SeDebugPrivilege	147804	csrsll.exe
Token: SeDebugPrivilege	147804	csrsll.exe
Token: SeDebugPrivilege	147804	csrsll.exe
Token: SeDebugPrivilege	147804	csrsll.exe
Token: SeDebugPrivilege	147804	csrsll.exe
Token: SeDebugPrivilege	147804	csrsll.exe
Token: SeDebugPrivilege	147804	csrsll.exe
Token: SeDebugPrivilege	147804	csrsll.exe
Token: SeDebugPrivilege	147804	csrsll.exe
Token: SeDebugPrivilege	147804	csrsll.exe
Token: SeDebugPrivilege	147804	csrsll.exe
Token: SeDebugPrivilege	147804	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1568	270841b6f36d94e769c79f973edaee459b4cd16af8c9e1059be1783caa777153N.exe
231568	270841b6f36d94e769c79f973edaee459b4cd16af8c9e1059be1783caa777153N.exe
231784	csrsll.exe
147804	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 1568 wrote to memory of 231568	1568	270841b6f36d94e769c79f973edaee459b4cd16af8c9e1059be1783caa777153N.exe	30
PID 1568 wrote to memory of 231568	1568	270841b6f36d94e769c79f973edaee459b4cd16af8c9e1059be1783caa777153N.exe	30
PID 1568 wrote to memory of 231568	1568	270841b6f36d94e769c79f973edaee459b4cd16af8c9e1059be1783caa777153N.exe	30
PID 1568 wrote to memory of 231568	1568	270841b6f36d94e769c79f973edaee459b4cd16af8c9e1059be1783caa777153N.exe	30
PID 1568 wrote to memory of 231568	1568	270841b6f36d94e769c79f973edaee459b4cd16af8c9e1059be1783caa777153N.exe	30
PID 1568 wrote to memory of 231568	1568	270841b6f36d94e769c79f973edaee459b4cd16af8c9e1059be1783caa777153N.exe	30
PID 1568 wrote to memory of 231568	1568	270841b6f36d94e769c79f973edaee459b4cd16af8c9e1059be1783caa777153N.exe	30
PID 1568 wrote to memory of 231568	1568	270841b6f36d94e769c79f973edaee459b4cd16af8c9e1059be1783caa777153N.exe	30
PID 231568 wrote to memory of 231708	231568	270841b6f36d94e769c79f973edaee459b4cd16af8c9e1059be1783caa777153N.exe	31
PID 231568 wrote to memory of 231708	231568	270841b6f36d94e769c79f973edaee459b4cd16af8c9e1059be1783caa777153N.exe	31
PID 231568 wrote to memory of 231708	231568	270841b6f36d94e769c79f973edaee459b4cd16af8c9e1059be1783caa777153N.exe	31
PID 231568 wrote to memory of 231708	231568	270841b6f36d94e769c79f973edaee459b4cd16af8c9e1059be1783caa777153N.exe	31
PID 231708 wrote to memory of 231760	231708	cmd.exe	33
PID 231708 wrote to memory of 231760	231708	cmd.exe	33
PID 231708 wrote to memory of 231760	231708	cmd.exe	33
PID 231708 wrote to memory of 231760	231708	cmd.exe	33
PID 231568 wrote to memory of 231784	231568	270841b6f36d94e769c79f973edaee459b4cd16af8c9e1059be1783caa777153N.exe	34
PID 231568 wrote to memory of 231784	231568	270841b6f36d94e769c79f973edaee459b4cd16af8c9e1059be1783caa777153N.exe	34
PID 231568 wrote to memory of 231784	231568	270841b6f36d94e769c79f973edaee459b4cd16af8c9e1059be1783caa777153N.exe	34
PID 231568 wrote to memory of 231784	231568	270841b6f36d94e769c79f973edaee459b4cd16af8c9e1059be1783caa777153N.exe	34
PID 231784 wrote to memory of 147804	231784	csrsll.exe	35
PID 231784 wrote to memory of 147804	231784	csrsll.exe	35
PID 231784 wrote to memory of 147804	231784	csrsll.exe	35
PID 231784 wrote to memory of 147804	231784	csrsll.exe	35
PID 231784 wrote to memory of 147804	231784	csrsll.exe	35
PID 231784 wrote to memory of 147804	231784	csrsll.exe	35
PID 231784 wrote to memory of 147804	231784	csrsll.exe	35
PID 231784 wrote to memory of 147804	231784	csrsll.exe	35
PID 231784 wrote to memory of 147884	231784	csrsll.exe	36
PID 231784 wrote to memory of 147884	231784	csrsll.exe	36
PID 231784 wrote to memory of 147884	231784	csrsll.exe	36
PID 231784 wrote to memory of 147884	231784	csrsll.exe	36
PID 231784 wrote to memory of 147884	231784	csrsll.exe	36
PID 231784 wrote to memory of 147884	231784	csrsll.exe	36
PID 231784 wrote to memory of 147884	231784	csrsll.exe	36
PID 231784 wrote to memory of 147884	231784	csrsll.exe	36

C:\Users\Admin\AppData\Local\Temp\270841b6f36d94e769c79f973edaee459b4cd16af8c9e1059be1783caa777153N.exe
"C:\Users\Admin\AppData\Local\Temp\270841b6f36d94e769c79f973edaee459b4cd16af8c9e1059be1783caa777153N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1568
- C:\Users\Admin\AppData\Local\Temp\270841b6f36d94e769c79f973edaee459b4cd16af8c9e1059be1783caa777153N.exe
  "C:\Users\Admin\AppData\Local\Temp\270841b6f36d94e769c79f973edaee459b4cd16af8c9e1059be1783caa777153N.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:231568
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\IDIXY.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:231708
  - - 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:231760
- - 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:231784
  - - 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:147804
  - - 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:147884

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\IDIXY.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
94KB

MD5
d855fc059ae329736e8dbf3096d89faa

SHA1
d7b5dd193283dffc4864fa4e08031d73c034a78c

SHA256
65a1e8f189569af424e7b241d85bdf38cc2783ec1065d9242babed8c6d71df11

SHA512
b30ec0363457752463357ccc0a73576092a7e426cb2c70d400dc2b405bc7182aa951b220627bda785cdd6f4bf3413eb5ab74cfe5be47ce89f0c2120864e84490

Download Submit
memory/1568-73916-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/1568-143-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/1568-73917-0x0000000000405000-0x0000000000406000-memory.dmp

Filesize
4KB

Download
memory/1568-73919-0x0000000002750000-0x00000000027A6000-memory.dmp

Filesize
344KB

Download
memory/1568-0-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/1568-13-0x0000000000405000-0x0000000000406000-memory.dmp

Filesize
4KB

Download
memory/1568-3-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1568-73929-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/147804-147860-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/147804-147843-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/147884-147863-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/147884-147853-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/231568-73930-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/231568-100999-0x0000000002680000-0x00000000026D6000-memory.dmp

Filesize
344KB

Download
memory/231568-73957-0x0000000002680000-0x00000000026D6000-memory.dmp

Filesize
344KB

Download
memory/231568-73927-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/231568-73971-0x0000000002680000-0x00000000026D6000-memory.dmp

Filesize
344KB

Download
memory/231568-73970-0x0000000002680000-0x00000000026D6000-memory.dmp

Filesize
344KB

Download
memory/231568-86479-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/231568-73928-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/231568-73920-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/231568-73926-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/231568-73924-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/231568-73922-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/231568-147859-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/231784-147856-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/231784-108238-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads