modiloader | d6f140dbc70955bdd9db84275d5678d2b07bf02f99cfa326496fcbabcb1949ed

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
31-12-2024 18:50

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General

Target

d6f140dbc70955bdd9db84275d5678d2b07bf02f99cfa326496fcbabcb1949ed.exe
Size

90KB
MD5

80fabcb62340d3db153ade1ab56bc600
SHA1

34ea1206885549e3aca3e354ec36b6e77b53c2f4
SHA256

d6f140dbc70955bdd9db84275d5678d2b07bf02f99cfa326496fcbabcb1949ed
SHA512

4ee882e5567c30622dbe32ed949296d39cef6f63e0781fc0a289529d2489d085472b35b83684a46a5c6eaadb88eff118e4cc00929dd128ea25fbb6d2679c5474
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDA:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3a

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/292-257-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
1440	csrsll.exe
292	csrsll.exe
2480	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
1708	d6f140dbc70955bdd9db84275d5678d2b07bf02f99cfa326496fcbabcb1949ed.exe
1708	d6f140dbc70955bdd9db84275d5678d2b07bf02f99cfa326496fcbabcb1949ed.exe
1708	d6f140dbc70955bdd9db84275d5678d2b07bf02f99cfa326496fcbabcb1949ed.exe
1708	d6f140dbc70955bdd9db84275d5678d2b07bf02f99cfa326496fcbabcb1949ed.exe
1708	d6f140dbc70955bdd9db84275d5678d2b07bf02f99cfa326496fcbabcb1949ed.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-1-5-21-312935884-697965778-3955649944-1000\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 2692 set thread context of 1708	2692	d6f140dbc70955bdd9db84275d5678d2b07bf02f99cfa326496fcbabcb1949ed.exe	28
PID 1440 set thread context of 2480	1440	csrsll.exe	33
PID 1440 set thread context of 292	1440	csrsll.exe	34

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2692-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2692-26-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2692-89-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1708-92-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1708-94-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1708-98-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1708-105-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1708-103-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2692-102-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1708-101-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x0037000000014504-132.dat	upx
behavioral1/memory/1708-145-0x00000000034B0000-0x0000000003503000-memory.dmp	upx
behavioral1/memory/1708-151-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/292-243-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/1708-248-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1440-245-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1440-242-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/292-257-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/2480-260-0x0000000000400000-0x000000000040B000-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	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	d6f140dbc70955bdd9db84275d5678d2b07bf02f99cfa326496fcbabcb1949ed.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d6f140dbc70955bdd9db84275d5678d2b07bf02f99cfa326496fcbabcb1949ed.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2480	csrsll.exe
Token: SeDebugPrivilege	2480	csrsll.exe
Token: SeDebugPrivilege	2480	csrsll.exe
Token: SeDebugPrivilege	2480	csrsll.exe
Token: SeDebugPrivilege	2480	csrsll.exe
Token: SeDebugPrivilege	2480	csrsll.exe
Token: SeDebugPrivilege	2480	csrsll.exe
Token: SeDebugPrivilege	2480	csrsll.exe
Token: SeDebugPrivilege	2480	csrsll.exe
Token: SeDebugPrivilege	2480	csrsll.exe
Token: SeDebugPrivilege	2480	csrsll.exe
Token: SeDebugPrivilege	2480	csrsll.exe
Token: SeDebugPrivilege	2480	csrsll.exe
Token: SeDebugPrivilege	2480	csrsll.exe
Token: SeDebugPrivilege	2480	csrsll.exe
Token: SeDebugPrivilege	2480	csrsll.exe
Token: SeDebugPrivilege	2480	csrsll.exe
Token: SeDebugPrivilege	2480	csrsll.exe
Token: SeDebugPrivilege	2480	csrsll.exe
Token: SeDebugPrivilege	2480	csrsll.exe
Token: SeDebugPrivilege	2480	csrsll.exe
Token: SeDebugPrivilege	2480	csrsll.exe
Token: SeDebugPrivilege	2480	csrsll.exe
Token: SeDebugPrivilege	2480	csrsll.exe
Token: SeDebugPrivilege	2480	csrsll.exe
Token: SeDebugPrivilege	2480	csrsll.exe
Token: SeDebugPrivilege	2480	csrsll.exe
Token: SeDebugPrivilege	2480	csrsll.exe
Token: SeDebugPrivilege	2480	csrsll.exe
Token: SeDebugPrivilege	2480	csrsll.exe
Token: SeDebugPrivilege	2480	csrsll.exe
Token: SeDebugPrivilege	2480	csrsll.exe
Token: SeDebugPrivilege	2480	csrsll.exe
Token: SeDebugPrivilege	2480	csrsll.exe
Token: SeDebugPrivilege	2480	csrsll.exe
Token: SeDebugPrivilege	2480	csrsll.exe
Token: SeDebugPrivilege	2480	csrsll.exe
Token: SeDebugPrivilege	2480	csrsll.exe
Token: SeDebugPrivilege	2480	csrsll.exe
Token: SeDebugPrivilege	2480	csrsll.exe
Token: SeDebugPrivilege	2480	csrsll.exe
Token: SeDebugPrivilege	2480	csrsll.exe
Token: SeDebugPrivilege	2480	csrsll.exe
Token: SeDebugPrivilege	2480	csrsll.exe
Token: SeDebugPrivilege	2480	csrsll.exe
Token: SeDebugPrivilege	2480	csrsll.exe
Token: SeDebugPrivilege	2480	csrsll.exe
Token: SeDebugPrivilege	2480	csrsll.exe
Token: SeDebugPrivilege	2480	csrsll.exe
Token: SeDebugPrivilege	2480	csrsll.exe
Token: SeDebugPrivilege	2480	csrsll.exe
Token: SeDebugPrivilege	2480	csrsll.exe
Token: SeDebugPrivilege	2480	csrsll.exe
Token: SeDebugPrivilege	2480	csrsll.exe
Token: SeDebugPrivilege	2480	csrsll.exe
Token: SeDebugPrivilege	2480	csrsll.exe
Token: SeDebugPrivilege	2480	csrsll.exe
Token: SeDebugPrivilege	2480	csrsll.exe
Token: SeDebugPrivilege	2480	csrsll.exe
Token: SeDebugPrivilege	2480	csrsll.exe
Token: SeDebugPrivilege	2480	csrsll.exe
Token: SeDebugPrivilege	2480	csrsll.exe
Token: SeDebugPrivilege	2480	csrsll.exe
Token: SeDebugPrivilege	2480	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2692	d6f140dbc70955bdd9db84275d5678d2b07bf02f99cfa326496fcbabcb1949ed.exe
1708	d6f140dbc70955bdd9db84275d5678d2b07bf02f99cfa326496fcbabcb1949ed.exe
1440	csrsll.exe
2480	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2692 wrote to memory of 1708	2692	d6f140dbc70955bdd9db84275d5678d2b07bf02f99cfa326496fcbabcb1949ed.exe	28
PID 2692 wrote to memory of 1708	2692	d6f140dbc70955bdd9db84275d5678d2b07bf02f99cfa326496fcbabcb1949ed.exe	28
PID 2692 wrote to memory of 1708	2692	d6f140dbc70955bdd9db84275d5678d2b07bf02f99cfa326496fcbabcb1949ed.exe	28
PID 2692 wrote to memory of 1708	2692	d6f140dbc70955bdd9db84275d5678d2b07bf02f99cfa326496fcbabcb1949ed.exe	28
PID 2692 wrote to memory of 1708	2692	d6f140dbc70955bdd9db84275d5678d2b07bf02f99cfa326496fcbabcb1949ed.exe	28
PID 2692 wrote to memory of 1708	2692	d6f140dbc70955bdd9db84275d5678d2b07bf02f99cfa326496fcbabcb1949ed.exe	28
PID 2692 wrote to memory of 1708	2692	d6f140dbc70955bdd9db84275d5678d2b07bf02f99cfa326496fcbabcb1949ed.exe	28
PID 2692 wrote to memory of 1708	2692	d6f140dbc70955bdd9db84275d5678d2b07bf02f99cfa326496fcbabcb1949ed.exe	28
PID 1708 wrote to memory of 2868	1708	d6f140dbc70955bdd9db84275d5678d2b07bf02f99cfa326496fcbabcb1949ed.exe	29
PID 1708 wrote to memory of 2868	1708	d6f140dbc70955bdd9db84275d5678d2b07bf02f99cfa326496fcbabcb1949ed.exe	29
PID 1708 wrote to memory of 2868	1708	d6f140dbc70955bdd9db84275d5678d2b07bf02f99cfa326496fcbabcb1949ed.exe	29
PID 1708 wrote to memory of 2868	1708	d6f140dbc70955bdd9db84275d5678d2b07bf02f99cfa326496fcbabcb1949ed.exe	29
PID 2868 wrote to memory of 3008	2868	cmd.exe	31
PID 2868 wrote to memory of 3008	2868	cmd.exe	31
PID 2868 wrote to memory of 3008	2868	cmd.exe	31
PID 2868 wrote to memory of 3008	2868	cmd.exe	31
PID 1708 wrote to memory of 1440	1708	d6f140dbc70955bdd9db84275d5678d2b07bf02f99cfa326496fcbabcb1949ed.exe	32
PID 1708 wrote to memory of 1440	1708	d6f140dbc70955bdd9db84275d5678d2b07bf02f99cfa326496fcbabcb1949ed.exe	32
PID 1708 wrote to memory of 1440	1708	d6f140dbc70955bdd9db84275d5678d2b07bf02f99cfa326496fcbabcb1949ed.exe	32
PID 1708 wrote to memory of 1440	1708	d6f140dbc70955bdd9db84275d5678d2b07bf02f99cfa326496fcbabcb1949ed.exe	32
PID 1440 wrote to memory of 2480	1440	csrsll.exe	33
PID 1440 wrote to memory of 2480	1440	csrsll.exe	33
PID 1440 wrote to memory of 2480	1440	csrsll.exe	33
PID 1440 wrote to memory of 2480	1440	csrsll.exe	33
PID 1440 wrote to memory of 2480	1440	csrsll.exe	33
PID 1440 wrote to memory of 2480	1440	csrsll.exe	33
PID 1440 wrote to memory of 2480	1440	csrsll.exe	33
PID 1440 wrote to memory of 2480	1440	csrsll.exe	33
PID 1440 wrote to memory of 292	1440	csrsll.exe	34
PID 1440 wrote to memory of 292	1440	csrsll.exe	34
PID 1440 wrote to memory of 292	1440	csrsll.exe	34
PID 1440 wrote to memory of 292	1440	csrsll.exe	34
PID 1440 wrote to memory of 292	1440	csrsll.exe	34
PID 1440 wrote to memory of 292	1440	csrsll.exe	34
PID 1440 wrote to memory of 292	1440	csrsll.exe	34
PID 1440 wrote to memory of 292	1440	csrsll.exe	34

C:\Users\Admin\AppData\Local\Temp\d6f140dbc70955bdd9db84275d5678d2b07bf02f99cfa326496fcbabcb1949ed.exe
"C:\Users\Admin\AppData\Local\Temp\d6f140dbc70955bdd9db84275d5678d2b07bf02f99cfa326496fcbabcb1949ed.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2692
- C:\Users\Admin\AppData\Local\Temp\d6f140dbc70955bdd9db84275d5678d2b07bf02f99cfa326496fcbabcb1949ed.exe
  "C:\Users\Admin\AppData\Local\Temp\d6f140dbc70955bdd9db84275d5678d2b07bf02f99cfa326496fcbabcb1949ed.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1708
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\KPLMX.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2868
  - - 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:3008
- - 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:1440
  - - 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:2480
  - - 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:292

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\KPLMX.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
fe388fc954e25282a608e56c2826fc56

SHA1
aac8f1d2b15c4bf518a69e38a817c15b21cdc184

SHA256
fba15f220a4ddc91f2f02de2980fa6f16a179f07658b7410796ebef461bc58ff

SHA512
21173d89f5dec69f68599d6a9057140d90b016092d4e3b76bb5708c12e014d7b2efccc049041a6ac77e8f68418468b107694cadb1c6fd15aabd1ca70831ee317

Download Submit
memory/292-257-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/292-243-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1440-242-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1440-245-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1440-165-0x00000000002E0000-0x00000000002E1000-memory.dmp

Filesize
4KB

Download
memory/1440-176-0x0000000000300000-0x0000000000301000-memory.dmp

Filesize
4KB

Download
memory/1440-155-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1708-101-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1708-146-0x00000000034B0000-0x0000000003503000-memory.dmp

Filesize
332KB

Download
memory/1708-248-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1708-90-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1708-92-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1708-94-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1708-98-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1708-96-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1708-105-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1708-103-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1708-220-0x00000000034B0000-0x0000000003503000-memory.dmp

Filesize
332KB

Download
memory/1708-216-0x00000000034B0000-0x0000000003503000-memory.dmp

Filesize
332KB

Download
memory/1708-152-0x00000000034B0000-0x0000000003503000-memory.dmp

Filesize
332KB

Download
memory/1708-151-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1708-147-0x00000000034B0000-0x0000000003503000-memory.dmp

Filesize
332KB

Download
memory/1708-144-0x00000000034B0000-0x0000000003503000-memory.dmp

Filesize
332KB

Download
memory/1708-145-0x00000000034B0000-0x0000000003503000-memory.dmp

Filesize
332KB

Download
memory/2480-260-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2692-26-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2692-71-0x0000000002440000-0x0000000002441000-memory.dmp

Filesize
4KB

Download
memory/2692-89-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2692-29-0x00000000003D0000-0x00000000003D1000-memory.dmp

Filesize
4KB

Download
memory/2692-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2692-61-0x00000000005E0000-0x00000000005E1000-memory.dmp

Filesize
4KB

Download
memory/2692-102-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2692-15-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download
memory/2692-41-0x00000000003F0000-0x00000000003F1000-memory.dmp

Filesize
4KB

Download
memory/2692-18-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/2692-3-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/2692-5-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/2692-79-0x0000000002460000-0x0000000002462000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads