modiloader | 065b6ea979e3ecf62d0cd937a7156c03c2cf36cac069a2de28b5b125750b367d

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
05-12-2024 22:21

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General

Target

065b6ea979e3ecf62d0cd937a7156c03c2cf36cac069a2de28b5b125750b367dN.exe
Size

94KB
MD5

84db6ac68e92f0549c176f675adcbe40
SHA1

339646b794626ce6a91ab210f030cfc2120630b7
SHA256

065b6ea979e3ecf62d0cd937a7156c03c2cf36cac069a2de28b5b125750b367d
SHA512

daa4477d6d9787d36f55b796e21bf64a8591c482ffa1c02e60c4d0abd60135a02f2629e7ceca78ae18bdf67641e7161fa88b1def9084e70122c5c2b1ce33ec4f
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 1 IoCs

resource	yara_rule
behavioral1/memory/72508-147863-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
144920	csrsll.exe
72304	csrsll.exe
72508	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
144696	065b6ea979e3ecf62d0cd937a7156c03c2cf36cac069a2de28b5b125750b367dN.exe
144696	065b6ea979e3ecf62d0cd937a7156c03c2cf36cac069a2de28b5b125750b367dN.exe
144696	065b6ea979e3ecf62d0cd937a7156c03c2cf36cac069a2de28b5b125750b367dN.exe
144696	065b6ea979e3ecf62d0cd937a7156c03c2cf36cac069a2de28b5b125750b367dN.exe
144696	065b6ea979e3ecf62d0cd937a7156c03c2cf36cac069a2de28b5b125750b367dN.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 2572 set thread context of 144696	2572	065b6ea979e3ecf62d0cd937a7156c03c2cf36cac069a2de28b5b125750b367dN.exe	31
PID 144920 set thread context of 72304	144920	csrsll.exe	36
PID 144920 set thread context of 72508	144920	csrsll.exe	37

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2572-0-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/2572-1557-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/2572-73918-0x0000000002760000-0x00000000027B6000-memory.dmp	upx
behavioral1/memory/144696-73921-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/144696-73924-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/144696-73926-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/144696-73927-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/144696-73929-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2572-73928-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/144696-73956-0x0000000002670000-0x00000000026C6000-memory.dmp	upx
behavioral1/files/0x0009000000018710-73954.dat	upx
behavioral1/memory/144696-73969-0x0000000002670000-0x00000000026C6000-memory.dmp	upx
behavioral1/memory/144696-86468-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/144920-108961-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/72508-147849-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/144920-147855-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/144696-147859-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/72304-147860-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/72508-147863-0x0000000000400000-0x0000000000414000-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	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	065b6ea979e3ecf62d0cd937a7156c03c2cf36cac069a2de28b5b125750b367dN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	065b6ea979e3ecf62d0cd937a7156c03c2cf36cac069a2de28b5b125750b367dN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe

Suspicious use of AdjustPrivilegeToken 51 IoCs

description	pid	Process
Token: SeDebugPrivilege	72304	csrsll.exe
Token: SeDebugPrivilege	72304	csrsll.exe
Token: SeDebugPrivilege	72304	csrsll.exe
Token: SeDebugPrivilege	72304	csrsll.exe
Token: SeDebugPrivilege	72304	csrsll.exe
Token: SeDebugPrivilege	72304	csrsll.exe
Token: SeDebugPrivilege	72304	csrsll.exe
Token: SeDebugPrivilege	72304	csrsll.exe
Token: SeDebugPrivilege	72304	csrsll.exe
Token: SeDebugPrivilege	72304	csrsll.exe
Token: SeDebugPrivilege	72304	csrsll.exe
Token: SeDebugPrivilege	72304	csrsll.exe
Token: SeDebugPrivilege	72304	csrsll.exe
Token: SeDebugPrivilege	72304	csrsll.exe
Token: SeDebugPrivilege	72304	csrsll.exe
Token: SeDebugPrivilege	72304	csrsll.exe
Token: SeDebugPrivilege	72304	csrsll.exe
Token: SeDebugPrivilege	72304	csrsll.exe
Token: SeDebugPrivilege	72304	csrsll.exe
Token: SeDebugPrivilege	72304	csrsll.exe
Token: SeDebugPrivilege	72304	csrsll.exe
Token: SeDebugPrivilege	72304	csrsll.exe
Token: SeDebugPrivilege	72304	csrsll.exe
Token: SeDebugPrivilege	72304	csrsll.exe
Token: SeDebugPrivilege	72304	csrsll.exe
Token: SeDebugPrivilege	72304	csrsll.exe
Token: SeDebugPrivilege	72304	csrsll.exe
Token: SeDebugPrivilege	72304	csrsll.exe
Token: SeDebugPrivilege	72304	csrsll.exe
Token: SeDebugPrivilege	72304	csrsll.exe
Token: SeDebugPrivilege	72304	csrsll.exe
Token: SeDebugPrivilege	72304	csrsll.exe
Token: SeDebugPrivilege	72304	csrsll.exe
Token: SeDebugPrivilege	72304	csrsll.exe
Token: SeDebugPrivilege	72304	csrsll.exe
Token: SeDebugPrivilege	72304	csrsll.exe
Token: SeDebugPrivilege	72304	csrsll.exe
Token: SeDebugPrivilege	72304	csrsll.exe
Token: SeDebugPrivilege	72304	csrsll.exe
Token: SeDebugPrivilege	72304	csrsll.exe
Token: SeDebugPrivilege	72304	csrsll.exe
Token: SeDebugPrivilege	72304	csrsll.exe
Token: SeDebugPrivilege	72304	csrsll.exe
Token: SeDebugPrivilege	72304	csrsll.exe
Token: SeDebugPrivilege	72304	csrsll.exe
Token: SeDebugPrivilege	72304	csrsll.exe
Token: SeDebugPrivilege	72304	csrsll.exe
Token: SeDebugPrivilege	72304	csrsll.exe
Token: SeDebugPrivilege	72304	csrsll.exe
Token: SeDebugPrivilege	72304	csrsll.exe
Token: SeDebugPrivilege	72304	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2572	065b6ea979e3ecf62d0cd937a7156c03c2cf36cac069a2de28b5b125750b367dN.exe
144696	065b6ea979e3ecf62d0cd937a7156c03c2cf36cac069a2de28b5b125750b367dN.exe
144920	csrsll.exe
72304	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2572 wrote to memory of 144696	2572	065b6ea979e3ecf62d0cd937a7156c03c2cf36cac069a2de28b5b125750b367dN.exe	31
PID 2572 wrote to memory of 144696	2572	065b6ea979e3ecf62d0cd937a7156c03c2cf36cac069a2de28b5b125750b367dN.exe	31
PID 2572 wrote to memory of 144696	2572	065b6ea979e3ecf62d0cd937a7156c03c2cf36cac069a2de28b5b125750b367dN.exe	31
PID 2572 wrote to memory of 144696	2572	065b6ea979e3ecf62d0cd937a7156c03c2cf36cac069a2de28b5b125750b367dN.exe	31
PID 2572 wrote to memory of 144696	2572	065b6ea979e3ecf62d0cd937a7156c03c2cf36cac069a2de28b5b125750b367dN.exe	31
PID 2572 wrote to memory of 144696	2572	065b6ea979e3ecf62d0cd937a7156c03c2cf36cac069a2de28b5b125750b367dN.exe	31
PID 2572 wrote to memory of 144696	2572	065b6ea979e3ecf62d0cd937a7156c03c2cf36cac069a2de28b5b125750b367dN.exe	31
PID 2572 wrote to memory of 144696	2572	065b6ea979e3ecf62d0cd937a7156c03c2cf36cac069a2de28b5b125750b367dN.exe	31
PID 144696 wrote to memory of 144840	144696	065b6ea979e3ecf62d0cd937a7156c03c2cf36cac069a2de28b5b125750b367dN.exe	32
PID 144696 wrote to memory of 144840	144696	065b6ea979e3ecf62d0cd937a7156c03c2cf36cac069a2de28b5b125750b367dN.exe	32
PID 144696 wrote to memory of 144840	144696	065b6ea979e3ecf62d0cd937a7156c03c2cf36cac069a2de28b5b125750b367dN.exe	32
PID 144696 wrote to memory of 144840	144696	065b6ea979e3ecf62d0cd937a7156c03c2cf36cac069a2de28b5b125750b367dN.exe	32
PID 144840 wrote to memory of 144896	144840	cmd.exe	34
PID 144840 wrote to memory of 144896	144840	cmd.exe	34
PID 144840 wrote to memory of 144896	144840	cmd.exe	34
PID 144840 wrote to memory of 144896	144840	cmd.exe	34
PID 144696 wrote to memory of 144920	144696	065b6ea979e3ecf62d0cd937a7156c03c2cf36cac069a2de28b5b125750b367dN.exe	35
PID 144696 wrote to memory of 144920	144696	065b6ea979e3ecf62d0cd937a7156c03c2cf36cac069a2de28b5b125750b367dN.exe	35
PID 144696 wrote to memory of 144920	144696	065b6ea979e3ecf62d0cd937a7156c03c2cf36cac069a2de28b5b125750b367dN.exe	35
PID 144696 wrote to memory of 144920	144696	065b6ea979e3ecf62d0cd937a7156c03c2cf36cac069a2de28b5b125750b367dN.exe	35
PID 144920 wrote to memory of 72304	144920	csrsll.exe	36
PID 144920 wrote to memory of 72304	144920	csrsll.exe	36
PID 144920 wrote to memory of 72304	144920	csrsll.exe	36
PID 144920 wrote to memory of 72304	144920	csrsll.exe	36
PID 144920 wrote to memory of 72304	144920	csrsll.exe	36
PID 144920 wrote to memory of 72304	144920	csrsll.exe	36
PID 144920 wrote to memory of 72304	144920	csrsll.exe	36
PID 144920 wrote to memory of 72304	144920	csrsll.exe	36
PID 144920 wrote to memory of 72508	144920	csrsll.exe	37
PID 144920 wrote to memory of 72508	144920	csrsll.exe	37
PID 144920 wrote to memory of 72508	144920	csrsll.exe	37
PID 144920 wrote to memory of 72508	144920	csrsll.exe	37
PID 144920 wrote to memory of 72508	144920	csrsll.exe	37
PID 144920 wrote to memory of 72508	144920	csrsll.exe	37
PID 144920 wrote to memory of 72508	144920	csrsll.exe	37
PID 144920 wrote to memory of 72508	144920	csrsll.exe	37

C:\Users\Admin\AppData\Local\Temp\065b6ea979e3ecf62d0cd937a7156c03c2cf36cac069a2de28b5b125750b367dN.exe
"C:\Users\Admin\AppData\Local\Temp\065b6ea979e3ecf62d0cd937a7156c03c2cf36cac069a2de28b5b125750b367dN.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2572
- C:\Users\Admin\AppData\Local\Temp\065b6ea979e3ecf62d0cd937a7156c03c2cf36cac069a2de28b5b125750b367dN.exe
  "C:\Users\Admin\AppData\Local\Temp\065b6ea979e3ecf62d0cd937a7156c03c2cf36cac069a2de28b5b125750b367dN.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:144696
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\WMIHU.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:144840
  - - 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:144896
- - 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:144920
  - - 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:72304
  - - 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:72508

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\WMIHU.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
94KB

MD5
dca78a4ec7c7f445f6a269230cf682d5

SHA1
d4625a5be6a17ff302dcd0f85030a9157e152c3e

SHA256
edae59de146c24e4842e96fc61b46ec2de2d3681eb21dc5c394c35a59919478e

SHA512
ea3a791e727ca3c809d8385dfa796eda8fc3f14db6716b27884dc75d0dc4b7106aeaea68c5d37037e4fab6849aa93aeeda09532babf066e3a4ecd159aaf0bf9e

Download Submit
memory/2572-73928-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/2572-3-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2572-13-0x0000000000405000-0x0000000000406000-memory.dmp

Filesize
4KB

Download
memory/2572-1557-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/2572-53197-0x0000000000405000-0x0000000000406000-memory.dmp

Filesize
4KB

Download
memory/2572-73918-0x0000000002760000-0x00000000027B6000-memory.dmp

Filesize
344KB

Download
memory/2572-0-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/72304-147860-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/72508-147863-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/72508-147849-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/144696-73921-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/144696-97167-0x0000000002670000-0x00000000026C6000-memory.dmp

Filesize
344KB

Download
memory/144696-73927-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/144696-73956-0x0000000002670000-0x00000000026C6000-memory.dmp

Filesize
344KB

Download
memory/144696-73926-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/144696-73971-0x0000000002670000-0x00000000026C6000-memory.dmp

Filesize
344KB

Download
memory/144696-73970-0x0000000002670000-0x00000000026C6000-memory.dmp

Filesize
344KB

Download
memory/144696-73969-0x0000000002670000-0x00000000026C6000-memory.dmp

Filesize
344KB

Download
memory/144696-86468-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/144696-73929-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/144696-105075-0x0000000002670000-0x00000000026C6000-memory.dmp

Filesize
344KB

Download
memory/144696-105049-0x0000000002670000-0x00000000026C6000-memory.dmp

Filesize
344KB

Download
memory/144696-73919-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/144696-73925-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/144696-73924-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/144696-147859-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/144920-147855-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/144920-108961-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads