modiloader | 1830a2a89c11ebab6aae43cd9f05b693534e806b3fef3d2a75d68e848ca16b96

Analysis

max time kernel
119s
max time network
18s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
16-12-2024 15:41

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General

Target

1830a2a89c11ebab6aae43cd9f05b693534e806b3fef3d2a75d68e848ca16b96N.exe
Size

90KB
MD5

b566fd1b004f24cc3a9988657023c160
SHA1

f188304c89c62d4ec5145dae837bf069abd6c726
SHA256

1830a2a89c11ebab6aae43cd9f05b693534e806b3fef3d2a75d68e848ca16b96
SHA512

1b75cdcf934e9251552d4a18d428d7662895ee7f7d589797c618d74649f761b715a5d99cd6d5b65d188e6f0e72001612f3c2a26989847ef68113241fc139d309
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/596-256-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
1940	csrsll.exe
2056	csrsll.exe
596	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
2568	1830a2a89c11ebab6aae43cd9f05b693534e806b3fef3d2a75d68e848ca16b96N.exe
2568	1830a2a89c11ebab6aae43cd9f05b693534e806b3fef3d2a75d68e848ca16b96N.exe
2568	1830a2a89c11ebab6aae43cd9f05b693534e806b3fef3d2a75d68e848ca16b96N.exe
2568	1830a2a89c11ebab6aae43cd9f05b693534e806b3fef3d2a75d68e848ca16b96N.exe
2568	1830a2a89c11ebab6aae43cd9f05b693534e806b3fef3d2a75d68e848ca16b96N.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 1464 set thread context of 2568	1464	1830a2a89c11ebab6aae43cd9f05b693534e806b3fef3d2a75d68e848ca16b96N.exe	30
PID 1940 set thread context of 2056	1940	csrsll.exe	35
PID 1940 set thread context of 596	1940	csrsll.exe	36

UPX packed file 21 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1464-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1464-26-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1464-89-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2568-94-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2568-92-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2568-99-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2568-104-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2568-102-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2568-101-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1464-106-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2568-145-0x0000000002600000-0x0000000002653000-memory.dmp	upx
behavioral1/files/0x00090000000120fd-143.dat	upx
behavioral1/memory/1940-148-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2568-151-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1940-212-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2568-204-0x0000000002600000-0x0000000002653000-memory.dmp	upx
behavioral1/memory/1940-248-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/596-244-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/2568-252-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2056-255-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/596-256-0x0000000000400000-0x0000000000414000-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	1830a2a89c11ebab6aae43cd9f05b693534e806b3fef3d2a75d68e848ca16b96N.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	1830a2a89c11ebab6aae43cd9f05b693534e806b3fef3d2a75d68e848ca16b96N.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe
Token: SeDebugPrivilege	2056	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1464	1830a2a89c11ebab6aae43cd9f05b693534e806b3fef3d2a75d68e848ca16b96N.exe
2568	1830a2a89c11ebab6aae43cd9f05b693534e806b3fef3d2a75d68e848ca16b96N.exe
1940	csrsll.exe
2056	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 1464 wrote to memory of 2568	1464	1830a2a89c11ebab6aae43cd9f05b693534e806b3fef3d2a75d68e848ca16b96N.exe	30
PID 1464 wrote to memory of 2568	1464	1830a2a89c11ebab6aae43cd9f05b693534e806b3fef3d2a75d68e848ca16b96N.exe	30
PID 1464 wrote to memory of 2568	1464	1830a2a89c11ebab6aae43cd9f05b693534e806b3fef3d2a75d68e848ca16b96N.exe	30
PID 1464 wrote to memory of 2568	1464	1830a2a89c11ebab6aae43cd9f05b693534e806b3fef3d2a75d68e848ca16b96N.exe	30
PID 1464 wrote to memory of 2568	1464	1830a2a89c11ebab6aae43cd9f05b693534e806b3fef3d2a75d68e848ca16b96N.exe	30
PID 1464 wrote to memory of 2568	1464	1830a2a89c11ebab6aae43cd9f05b693534e806b3fef3d2a75d68e848ca16b96N.exe	30
PID 1464 wrote to memory of 2568	1464	1830a2a89c11ebab6aae43cd9f05b693534e806b3fef3d2a75d68e848ca16b96N.exe	30
PID 1464 wrote to memory of 2568	1464	1830a2a89c11ebab6aae43cd9f05b693534e806b3fef3d2a75d68e848ca16b96N.exe	30
PID 2568 wrote to memory of 1696	2568	1830a2a89c11ebab6aae43cd9f05b693534e806b3fef3d2a75d68e848ca16b96N.exe	31
PID 2568 wrote to memory of 1696	2568	1830a2a89c11ebab6aae43cd9f05b693534e806b3fef3d2a75d68e848ca16b96N.exe	31
PID 2568 wrote to memory of 1696	2568	1830a2a89c11ebab6aae43cd9f05b693534e806b3fef3d2a75d68e848ca16b96N.exe	31
PID 2568 wrote to memory of 1696	2568	1830a2a89c11ebab6aae43cd9f05b693534e806b3fef3d2a75d68e848ca16b96N.exe	31
PID 1696 wrote to memory of 2204	1696	cmd.exe	33
PID 1696 wrote to memory of 2204	1696	cmd.exe	33
PID 1696 wrote to memory of 2204	1696	cmd.exe	33
PID 1696 wrote to memory of 2204	1696	cmd.exe	33
PID 2568 wrote to memory of 1940	2568	1830a2a89c11ebab6aae43cd9f05b693534e806b3fef3d2a75d68e848ca16b96N.exe	34
PID 2568 wrote to memory of 1940	2568	1830a2a89c11ebab6aae43cd9f05b693534e806b3fef3d2a75d68e848ca16b96N.exe	34
PID 2568 wrote to memory of 1940	2568	1830a2a89c11ebab6aae43cd9f05b693534e806b3fef3d2a75d68e848ca16b96N.exe	34
PID 2568 wrote to memory of 1940	2568	1830a2a89c11ebab6aae43cd9f05b693534e806b3fef3d2a75d68e848ca16b96N.exe	34
PID 1940 wrote to memory of 2056	1940	csrsll.exe	35
PID 1940 wrote to memory of 2056	1940	csrsll.exe	35
PID 1940 wrote to memory of 2056	1940	csrsll.exe	35
PID 1940 wrote to memory of 2056	1940	csrsll.exe	35
PID 1940 wrote to memory of 2056	1940	csrsll.exe	35
PID 1940 wrote to memory of 2056	1940	csrsll.exe	35
PID 1940 wrote to memory of 2056	1940	csrsll.exe	35
PID 1940 wrote to memory of 2056	1940	csrsll.exe	35
PID 1940 wrote to memory of 596	1940	csrsll.exe	36
PID 1940 wrote to memory of 596	1940	csrsll.exe	36
PID 1940 wrote to memory of 596	1940	csrsll.exe	36
PID 1940 wrote to memory of 596	1940	csrsll.exe	36
PID 1940 wrote to memory of 596	1940	csrsll.exe	36
PID 1940 wrote to memory of 596	1940	csrsll.exe	36
PID 1940 wrote to memory of 596	1940	csrsll.exe	36
PID 1940 wrote to memory of 596	1940	csrsll.exe	36

C:\Users\Admin\AppData\Local\Temp\1830a2a89c11ebab6aae43cd9f05b693534e806b3fef3d2a75d68e848ca16b96N.exe
"C:\Users\Admin\AppData\Local\Temp\1830a2a89c11ebab6aae43cd9f05b693534e806b3fef3d2a75d68e848ca16b96N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1464
- C:\Users\Admin\AppData\Local\Temp\1830a2a89c11ebab6aae43cd9f05b693534e806b3fef3d2a75d68e848ca16b96N.exe
  "C:\Users\Admin\AppData\Local\Temp\1830a2a89c11ebab6aae43cd9f05b693534e806b3fef3d2a75d68e848ca16b96N.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2568
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\GCYXB.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1696
  - - 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:2204
- - 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:1940
  - - 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:2056
  - - 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:596

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\GCYXB.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
c34631a8c08154d7d66fe6618ad23174

SHA1
de3944d762ff5b90b4fd50422abf13abd7b79c1e

SHA256
2b5e7c2fcb48c8498b76603392612ff3a44858806ba323237a2aa7dc0ba21c7f

SHA512
2dc4548e5579714c34053012c2706395c626681772b9efc972671f979d9d9340644f063d130a589750614357585248ab93ec5ad58128a25dc934901c18f16943

Download Submit
memory/596-244-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/596-256-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1464-96-0x0000000001CC0000-0x0000000001D13000-memory.dmp

Filesize
332KB

Download
memory/1464-3-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/1464-29-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/1464-26-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1464-61-0x00000000003E0000-0x00000000003E1000-memory.dmp

Filesize
4KB

Download
memory/1464-89-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1464-79-0x00000000004F0000-0x00000000004F2000-memory.dmp

Filesize
8KB

Download
memory/1464-71-0x00000000004D0000-0x00000000004D1000-memory.dmp

Filesize
4KB

Download
memory/1464-16-0x00000000001E0000-0x00000000001E1000-memory.dmp

Filesize
4KB

Download
memory/1464-13-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/1464-5-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/1464-41-0x00000000002A0000-0x00000000002A1000-memory.dmp

Filesize
4KB

Download
memory/1464-106-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1464-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1940-164-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/1940-175-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/1940-212-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1940-248-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1940-154-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1940-148-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2056-255-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2568-104-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2568-145-0x0000000002600000-0x0000000002653000-memory.dmp

Filesize
332KB

Download
memory/2568-151-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2568-146-0x0000000002600000-0x0000000002653000-memory.dmp

Filesize
332KB

Download
memory/2568-101-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2568-204-0x0000000002600000-0x0000000002653000-memory.dmp

Filesize
332KB

Download
memory/2568-102-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2568-99-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2568-97-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2568-90-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2568-252-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2568-92-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2568-94-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads