modiloader | d42140ee411885c3de57b000aca8726df4264e98e46c6424cd330429da3eab85

Analysis

max time kernel
119s
max time network
17s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
02-12-2024 19:09

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General

Target

d42140ee411885c3de57b000aca8726df4264e98e46c6424cd330429da3eab85N.exe
Size

90KB
MD5

9af7b916a37a841f535ad1a73c0bb5f0
SHA1

1c9ed22f6aa0690f7f02d016a1af57e16babb564
SHA256

d42140ee411885c3de57b000aca8726df4264e98e46c6424cd330429da3eab85
SHA512

8d6c69dca5492d27f83f4a0b0c355b6faed5dbdb9b754451321dfe71f89f88fe253986bed45dc5ca5d380b23bc97eb9f3b898e20eb38dce18218199fa55d5085
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDn:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3N

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/1568-263-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
2688	csrsll.exe
1904	csrsll.exe
1568	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
556	d42140ee411885c3de57b000aca8726df4264e98e46c6424cd330429da3eab85N.exe
556	d42140ee411885c3de57b000aca8726df4264e98e46c6424cd330429da3eab85N.exe
556	d42140ee411885c3de57b000aca8726df4264e98e46c6424cd330429da3eab85N.exe
556	d42140ee411885c3de57b000aca8726df4264e98e46c6424cd330429da3eab85N.exe
556	d42140ee411885c3de57b000aca8726df4264e98e46c6424cd330429da3eab85N.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 2884 set thread context of 556	2884	d42140ee411885c3de57b000aca8726df4264e98e46c6424cd330429da3eab85N.exe	30
PID 2688 set thread context of 1904	2688	csrsll.exe	35
PID 2688 set thread context of 1568	2688	csrsll.exe	36

UPX packed file 22 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2884-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2884-26-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2884-79-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2884-80-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2884-91-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/556-96-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/556-94-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/556-101-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/556-104-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/556-106-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/556-103-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2884-108-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/files/0x000c000000012029-133.dat	upx
behavioral1/memory/556-153-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2688-214-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1568-250-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/556-249-0x0000000003390000-0x00000000033E3000-memory.dmp	upx
behavioral1/memory/1904-242-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/556-259-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2688-255-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1904-260-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1568-263-0x0000000000400000-0x0000000000414000-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	d42140ee411885c3de57b000aca8726df4264e98e46c6424cd330429da3eab85N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d42140ee411885c3de57b000aca8726df4264e98e46c6424cd330429da3eab85N.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 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe
Token: SeDebugPrivilege	1904	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2884	d42140ee411885c3de57b000aca8726df4264e98e46c6424cd330429da3eab85N.exe
556	d42140ee411885c3de57b000aca8726df4264e98e46c6424cd330429da3eab85N.exe
2688	csrsll.exe
1904	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2884 wrote to memory of 556	2884	d42140ee411885c3de57b000aca8726df4264e98e46c6424cd330429da3eab85N.exe	30
PID 2884 wrote to memory of 556	2884	d42140ee411885c3de57b000aca8726df4264e98e46c6424cd330429da3eab85N.exe	30
PID 2884 wrote to memory of 556	2884	d42140ee411885c3de57b000aca8726df4264e98e46c6424cd330429da3eab85N.exe	30
PID 2884 wrote to memory of 556	2884	d42140ee411885c3de57b000aca8726df4264e98e46c6424cd330429da3eab85N.exe	30
PID 2884 wrote to memory of 556	2884	d42140ee411885c3de57b000aca8726df4264e98e46c6424cd330429da3eab85N.exe	30
PID 2884 wrote to memory of 556	2884	d42140ee411885c3de57b000aca8726df4264e98e46c6424cd330429da3eab85N.exe	30
PID 2884 wrote to memory of 556	2884	d42140ee411885c3de57b000aca8726df4264e98e46c6424cd330429da3eab85N.exe	30
PID 2884 wrote to memory of 556	2884	d42140ee411885c3de57b000aca8726df4264e98e46c6424cd330429da3eab85N.exe	30
PID 556 wrote to memory of 2964	556	d42140ee411885c3de57b000aca8726df4264e98e46c6424cd330429da3eab85N.exe	31
PID 556 wrote to memory of 2964	556	d42140ee411885c3de57b000aca8726df4264e98e46c6424cd330429da3eab85N.exe	31
PID 556 wrote to memory of 2964	556	d42140ee411885c3de57b000aca8726df4264e98e46c6424cd330429da3eab85N.exe	31
PID 556 wrote to memory of 2964	556	d42140ee411885c3de57b000aca8726df4264e98e46c6424cd330429da3eab85N.exe	31
PID 2964 wrote to memory of 2308	2964	cmd.exe	33
PID 2964 wrote to memory of 2308	2964	cmd.exe	33
PID 2964 wrote to memory of 2308	2964	cmd.exe	33
PID 2964 wrote to memory of 2308	2964	cmd.exe	33
PID 556 wrote to memory of 2688	556	d42140ee411885c3de57b000aca8726df4264e98e46c6424cd330429da3eab85N.exe	34
PID 556 wrote to memory of 2688	556	d42140ee411885c3de57b000aca8726df4264e98e46c6424cd330429da3eab85N.exe	34
PID 556 wrote to memory of 2688	556	d42140ee411885c3de57b000aca8726df4264e98e46c6424cd330429da3eab85N.exe	34
PID 556 wrote to memory of 2688	556	d42140ee411885c3de57b000aca8726df4264e98e46c6424cd330429da3eab85N.exe	34
PID 2688 wrote to memory of 1904	2688	csrsll.exe	35
PID 2688 wrote to memory of 1904	2688	csrsll.exe	35
PID 2688 wrote to memory of 1904	2688	csrsll.exe	35
PID 2688 wrote to memory of 1904	2688	csrsll.exe	35
PID 2688 wrote to memory of 1904	2688	csrsll.exe	35
PID 2688 wrote to memory of 1904	2688	csrsll.exe	35
PID 2688 wrote to memory of 1904	2688	csrsll.exe	35
PID 2688 wrote to memory of 1904	2688	csrsll.exe	35
PID 2688 wrote to memory of 1568	2688	csrsll.exe	36
PID 2688 wrote to memory of 1568	2688	csrsll.exe	36
PID 2688 wrote to memory of 1568	2688	csrsll.exe	36
PID 2688 wrote to memory of 1568	2688	csrsll.exe	36
PID 2688 wrote to memory of 1568	2688	csrsll.exe	36
PID 2688 wrote to memory of 1568	2688	csrsll.exe	36
PID 2688 wrote to memory of 1568	2688	csrsll.exe	36
PID 2688 wrote to memory of 1568	2688	csrsll.exe	36

C:\Users\Admin\AppData\Local\Temp\d42140ee411885c3de57b000aca8726df4264e98e46c6424cd330429da3eab85N.exe
"C:\Users\Admin\AppData\Local\Temp\d42140ee411885c3de57b000aca8726df4264e98e46c6424cd330429da3eab85N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2884
- C:\Users\Admin\AppData\Local\Temp\d42140ee411885c3de57b000aca8726df4264e98e46c6424cd330429da3eab85N.exe
  "C:\Users\Admin\AppData\Local\Temp\d42140ee411885c3de57b000aca8726df4264e98e46c6424cd330429da3eab85N.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:556
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\XBYMY.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2964
  - - 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:2308
- - 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:2688
  - - 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:1904
  - - 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:1568

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\XBYMY.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
33c8058731ff597f1cdcd19612293e79

SHA1
c6f424708f2fb33be09c5842e3e1408710a64bcb

SHA256
305e2a9d778ac0d84556c5ffe3ce724418702407219b4206fae90ce8af945c7c

SHA512
1017f6e7997f64c2fe4f834b2b5d98fa333b2cea2485e1f809f9f824c7b237a83fa43a5937963dc886a228456101738713f88f0b1e7466ab98525061c97acf70

Download Submit
memory/556-96-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/556-103-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/556-241-0x0000000003390000-0x00000000033E3000-memory.dmp

Filesize
332KB

Download
memory/556-99-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/556-249-0x0000000003390000-0x00000000033E3000-memory.dmp

Filesize
332KB

Download
memory/556-106-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/556-211-0x0000000003390000-0x00000000033E3000-memory.dmp

Filesize
332KB

Download
memory/556-153-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/556-147-0x0000000003390000-0x00000000033E3000-memory.dmp

Filesize
332KB

Download
memory/556-148-0x0000000003390000-0x00000000033E3000-memory.dmp

Filesize
332KB

Download
memory/556-149-0x0000000003390000-0x00000000033E3000-memory.dmp

Filesize
332KB

Download
memory/556-104-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/556-101-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/556-259-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/556-94-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/556-92-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1568-263-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1568-250-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1904-260-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1904-242-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2688-156-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2688-214-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2688-255-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2688-166-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/2688-177-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/2884-80-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2884-81-0x00000000003B0000-0x00000000003B2000-memory.dmp

Filesize
8KB

Download
memory/2884-79-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2884-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2884-71-0x0000000000300000-0x0000000000301000-memory.dmp

Filesize
4KB

Download
memory/2884-41-0x0000000000290000-0x0000000000291000-memory.dmp

Filesize
4KB

Download
memory/2884-98-0x00000000024C0000-0x0000000002513000-memory.dmp

Filesize
332KB

Download
memory/2884-108-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2884-61-0x00000000002E0000-0x00000000002E1000-memory.dmp

Filesize
4KB

Download
memory/2884-29-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/2884-26-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2884-15-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/2884-18-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/2884-91-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2884-3-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2884-5-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads