modiloader | e8526471ec744071f8f7b60cca4be93f5d991e207077099539626cba3b564c25

Analysis

max time kernel
118s
max time network
18s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
06-12-2024 11:59

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General

Target

e8526471ec744071f8f7b60cca4be93f5d991e207077099539626cba3b564c25N.exe
Size

90KB
MD5

ba972816b94dd45608567529adf6e0d0
SHA1

e2fc275948eeb70fd606538ff3b77b8fda4cdda3
SHA256

e8526471ec744071f8f7b60cca4be93f5d991e207077099539626cba3b564c25
SHA512

48b52ea4b28eb92abb865c90131b8efb308f22371201958fcf7e806e1b738e9e77c6d2f1b6139f3032a9a669f491277cbfef5f36c9461da7f6eb9d47a24c4688
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDK:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3c

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/1808-265-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
2128	csrsll.exe
1548	csrsll.exe
1808	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
2800	e8526471ec744071f8f7b60cca4be93f5d991e207077099539626cba3b564c25N.exe
2800	e8526471ec744071f8f7b60cca4be93f5d991e207077099539626cba3b564c25N.exe
2800	e8526471ec744071f8f7b60cca4be93f5d991e207077099539626cba3b564c25N.exe
2800	e8526471ec744071f8f7b60cca4be93f5d991e207077099539626cba3b564c25N.exe
2800	e8526471ec744071f8f7b60cca4be93f5d991e207077099539626cba3b564c25N.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-1-5-21-2703099537-420551529-3771253338-1000\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 2500 set thread context of 2800	2500	e8526471ec744071f8f7b60cca4be93f5d991e207077099539626cba3b564c25N.exe	31
PID 2128 set thread context of 1548	2128	csrsll.exe	36
PID 2128 set thread context of 1808	2128	csrsll.exe	37

UPX packed file 24 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2500-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2500-92-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2500-83-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2500-80-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2800-105-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2800-101-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2800-97-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2800-95-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2500-112-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2800-108-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2800-106-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2500-79-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2500-34-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2800-149-0x0000000003330000-0x0000000003383000-memory.dmp	upx
behavioral1/files/0x000a000000016d21-153.dat	upx
behavioral1/memory/2800-156-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2128-214-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1548-249-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2800-247-0x0000000003330000-0x0000000003383000-memory.dmp	upx
behavioral1/memory/1808-253-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/2128-255-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2800-259-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1548-262-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1808-265-0x0000000000400000-0x0000000000414000-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	e8526471ec744071f8f7b60cca4be93f5d991e207077099539626cba3b564c25N.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e8526471ec744071f8f7b60cca4be93f5d991e207077099539626cba3b564c25N.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	1548	csrsll.exe
Token: SeDebugPrivilege	1548	csrsll.exe
Token: SeDebugPrivilege	1548	csrsll.exe
Token: SeDebugPrivilege	1548	csrsll.exe
Token: SeDebugPrivilege	1548	csrsll.exe
Token: SeDebugPrivilege	1548	csrsll.exe
Token: SeDebugPrivilege	1548	csrsll.exe
Token: SeDebugPrivilege	1548	csrsll.exe
Token: SeDebugPrivilege	1548	csrsll.exe
Token: SeDebugPrivilege	1548	csrsll.exe
Token: SeDebugPrivilege	1548	csrsll.exe
Token: SeDebugPrivilege	1548	csrsll.exe
Token: SeDebugPrivilege	1548	csrsll.exe
Token: SeDebugPrivilege	1548	csrsll.exe
Token: SeDebugPrivilege	1548	csrsll.exe
Token: SeDebugPrivilege	1548	csrsll.exe
Token: SeDebugPrivilege	1548	csrsll.exe
Token: SeDebugPrivilege	1548	csrsll.exe
Token: SeDebugPrivilege	1548	csrsll.exe
Token: SeDebugPrivilege	1548	csrsll.exe
Token: SeDebugPrivilege	1548	csrsll.exe
Token: SeDebugPrivilege	1548	csrsll.exe
Token: SeDebugPrivilege	1548	csrsll.exe
Token: SeDebugPrivilege	1548	csrsll.exe
Token: SeDebugPrivilege	1548	csrsll.exe
Token: SeDebugPrivilege	1548	csrsll.exe
Token: SeDebugPrivilege	1548	csrsll.exe
Token: SeDebugPrivilege	1548	csrsll.exe
Token: SeDebugPrivilege	1548	csrsll.exe
Token: SeDebugPrivilege	1548	csrsll.exe
Token: SeDebugPrivilege	1548	csrsll.exe
Token: SeDebugPrivilege	1548	csrsll.exe
Token: SeDebugPrivilege	1548	csrsll.exe
Token: SeDebugPrivilege	1548	csrsll.exe
Token: SeDebugPrivilege	1548	csrsll.exe
Token: SeDebugPrivilege	1548	csrsll.exe
Token: SeDebugPrivilege	1548	csrsll.exe
Token: SeDebugPrivilege	1548	csrsll.exe
Token: SeDebugPrivilege	1548	csrsll.exe
Token: SeDebugPrivilege	1548	csrsll.exe
Token: SeDebugPrivilege	1548	csrsll.exe
Token: SeDebugPrivilege	1548	csrsll.exe
Token: SeDebugPrivilege	1548	csrsll.exe
Token: SeDebugPrivilege	1548	csrsll.exe
Token: SeDebugPrivilege	1548	csrsll.exe
Token: SeDebugPrivilege	1548	csrsll.exe
Token: SeDebugPrivilege	1548	csrsll.exe
Token: SeDebugPrivilege	1548	csrsll.exe
Token: SeDebugPrivilege	1548	csrsll.exe
Token: SeDebugPrivilege	1548	csrsll.exe
Token: SeDebugPrivilege	1548	csrsll.exe
Token: SeDebugPrivilege	1548	csrsll.exe
Token: SeDebugPrivilege	1548	csrsll.exe
Token: SeDebugPrivilege	1548	csrsll.exe
Token: SeDebugPrivilege	1548	csrsll.exe
Token: SeDebugPrivilege	1548	csrsll.exe
Token: SeDebugPrivilege	1548	csrsll.exe
Token: SeDebugPrivilege	1548	csrsll.exe
Token: SeDebugPrivilege	1548	csrsll.exe
Token: SeDebugPrivilege	1548	csrsll.exe
Token: SeDebugPrivilege	1548	csrsll.exe
Token: SeDebugPrivilege	1548	csrsll.exe
Token: SeDebugPrivilege	1548	csrsll.exe
Token: SeDebugPrivilege	1548	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2500	e8526471ec744071f8f7b60cca4be93f5d991e207077099539626cba3b564c25N.exe
2800	e8526471ec744071f8f7b60cca4be93f5d991e207077099539626cba3b564c25N.exe
2128	csrsll.exe
1548	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2500 wrote to memory of 2800	2500	e8526471ec744071f8f7b60cca4be93f5d991e207077099539626cba3b564c25N.exe	31
PID 2500 wrote to memory of 2800	2500	e8526471ec744071f8f7b60cca4be93f5d991e207077099539626cba3b564c25N.exe	31
PID 2500 wrote to memory of 2800	2500	e8526471ec744071f8f7b60cca4be93f5d991e207077099539626cba3b564c25N.exe	31
PID 2500 wrote to memory of 2800	2500	e8526471ec744071f8f7b60cca4be93f5d991e207077099539626cba3b564c25N.exe	31
PID 2500 wrote to memory of 2800	2500	e8526471ec744071f8f7b60cca4be93f5d991e207077099539626cba3b564c25N.exe	31
PID 2500 wrote to memory of 2800	2500	e8526471ec744071f8f7b60cca4be93f5d991e207077099539626cba3b564c25N.exe	31
PID 2500 wrote to memory of 2800	2500	e8526471ec744071f8f7b60cca4be93f5d991e207077099539626cba3b564c25N.exe	31
PID 2500 wrote to memory of 2800	2500	e8526471ec744071f8f7b60cca4be93f5d991e207077099539626cba3b564c25N.exe	31
PID 2800 wrote to memory of 1104	2800	e8526471ec744071f8f7b60cca4be93f5d991e207077099539626cba3b564c25N.exe	32
PID 2800 wrote to memory of 1104	2800	e8526471ec744071f8f7b60cca4be93f5d991e207077099539626cba3b564c25N.exe	32
PID 2800 wrote to memory of 1104	2800	e8526471ec744071f8f7b60cca4be93f5d991e207077099539626cba3b564c25N.exe	32
PID 2800 wrote to memory of 1104	2800	e8526471ec744071f8f7b60cca4be93f5d991e207077099539626cba3b564c25N.exe	32
PID 1104 wrote to memory of 2372	1104	cmd.exe	34
PID 1104 wrote to memory of 2372	1104	cmd.exe	34
PID 1104 wrote to memory of 2372	1104	cmd.exe	34
PID 1104 wrote to memory of 2372	1104	cmd.exe	34
PID 2800 wrote to memory of 2128	2800	e8526471ec744071f8f7b60cca4be93f5d991e207077099539626cba3b564c25N.exe	35
PID 2800 wrote to memory of 2128	2800	e8526471ec744071f8f7b60cca4be93f5d991e207077099539626cba3b564c25N.exe	35
PID 2800 wrote to memory of 2128	2800	e8526471ec744071f8f7b60cca4be93f5d991e207077099539626cba3b564c25N.exe	35
PID 2800 wrote to memory of 2128	2800	e8526471ec744071f8f7b60cca4be93f5d991e207077099539626cba3b564c25N.exe	35
PID 2128 wrote to memory of 1548	2128	csrsll.exe	36
PID 2128 wrote to memory of 1548	2128	csrsll.exe	36
PID 2128 wrote to memory of 1548	2128	csrsll.exe	36
PID 2128 wrote to memory of 1548	2128	csrsll.exe	36
PID 2128 wrote to memory of 1548	2128	csrsll.exe	36
PID 2128 wrote to memory of 1548	2128	csrsll.exe	36
PID 2128 wrote to memory of 1548	2128	csrsll.exe	36
PID 2128 wrote to memory of 1548	2128	csrsll.exe	36
PID 2128 wrote to memory of 1808	2128	csrsll.exe	37
PID 2128 wrote to memory of 1808	2128	csrsll.exe	37
PID 2128 wrote to memory of 1808	2128	csrsll.exe	37
PID 2128 wrote to memory of 1808	2128	csrsll.exe	37
PID 2128 wrote to memory of 1808	2128	csrsll.exe	37
PID 2128 wrote to memory of 1808	2128	csrsll.exe	37
PID 2128 wrote to memory of 1808	2128	csrsll.exe	37
PID 2128 wrote to memory of 1808	2128	csrsll.exe	37

C:\Users\Admin\AppData\Local\Temp\e8526471ec744071f8f7b60cca4be93f5d991e207077099539626cba3b564c25N.exe
"C:\Users\Admin\AppData\Local\Temp\e8526471ec744071f8f7b60cca4be93f5d991e207077099539626cba3b564c25N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2500
- C:\Users\Admin\AppData\Local\Temp\e8526471ec744071f8f7b60cca4be93f5d991e207077099539626cba3b564c25N.exe
  "C:\Users\Admin\AppData\Local\Temp\e8526471ec744071f8f7b60cca4be93f5d991e207077099539626cba3b564c25N.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2800
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\QCKBT.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1104
  - - 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:2372
- - 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:2128
  - - 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:1548
  - - 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:1808

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\QCKBT.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
8d05bf12289d2cb887cea5aab6c47843

SHA1
aa184d365608aa3fcb61426e604e549d70329b90

SHA256
2b1caae1afce17544e0653a37dcfd4a2a4a4fac8b3658a14a5101132f7f0f53e

SHA512
572ab9057e16666ce198c348411421aa80f20ab2caa3094854cd895204c5d3a11e0b02c260840cc0aba217c25da84a2291c4cb2f338c3410d93967ce93b1b1c8

Download Submit
memory/1548-262-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1548-249-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1808-265-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1808-253-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2128-255-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2128-169-0x00000000002D0000-0x00000000002D1000-memory.dmp

Filesize
4KB

Download
memory/2128-214-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2128-180-0x0000000000300000-0x0000000000301000-memory.dmp

Filesize
4KB

Download
memory/2128-159-0x00000000002B0000-0x00000000002B1000-memory.dmp

Filesize
4KB

Download
memory/2500-41-0x0000000000470000-0x0000000000471000-memory.dmp

Filesize
4KB

Download
memory/2500-92-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2500-5-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/2500-3-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/2500-112-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2500-18-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/2500-15-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/2500-83-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2500-79-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2500-71-0x00000000004E0000-0x00000000004E1000-memory.dmp

Filesize
4KB

Download
memory/2500-61-0x00000000004C0000-0x00000000004C1000-memory.dmp

Filesize
4KB

Download
memory/2500-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2500-34-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2500-28-0x00000000003F0000-0x00000000003F1000-memory.dmp

Filesize
4KB

Download
memory/2500-81-0x0000000000500000-0x0000000000502000-memory.dmp

Filesize
8KB

Download
memory/2500-80-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2500-104-0x0000000002590000-0x00000000025E3000-memory.dmp

Filesize
332KB

Download
memory/2800-99-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2800-101-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2800-150-0x0000000003330000-0x0000000003383000-memory.dmp

Filesize
332KB

Download
memory/2800-156-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2800-152-0x0000000003330000-0x0000000003383000-memory.dmp

Filesize
332KB

Download
memory/2800-149-0x0000000003330000-0x0000000003383000-memory.dmp

Filesize
332KB

Download
memory/2800-151-0x0000000003330000-0x0000000003383000-memory.dmp

Filesize
332KB

Download
memory/2800-93-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2800-105-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2800-248-0x0000000003330000-0x0000000003383000-memory.dmp

Filesize
332KB

Download
memory/2800-247-0x0000000003330000-0x0000000003383000-memory.dmp

Filesize
332KB

Download
memory/2800-106-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2800-108-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2800-259-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2800-95-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2800-97-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads