modiloader | c150e5e83b2a7e487ec66d56f48518f491f1f0ac76fbc9fa367c8bed1162200f

Analysis

max time kernel
119s
max time network
108s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04-12-2024 02:01

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General

Target

c150e5e83b2a7e487ec66d56f48518f491f1f0ac76fbc9fa367c8bed1162200fN.exe
Size

94KB
MD5

e5ec5953ddde983e114d808916f39290
SHA1

bc45c7a8702f4fe34047dff485bd690c7c58cfd8
SHA256

c150e5e83b2a7e487ec66d56f48518f491f1f0ac76fbc9fa367c8bed1162200f
SHA512

462112858894df4df7992614b96d9d4ee981f8a4f8b06f6eb08c353ad239737382e4cf2d3a5936af5647ac9e3ec80d2e5bdf1a2fa032f2f7c5bae49386d42705
SSDEEP

1536:/pdyL9GjGiwA1z0PmVggNJKbFD2BBMx1RiwmPJr3raDk5BRf13KH9m2POE/0:/pdyLALwACPmV3NYaYLiwIt3raA5BRfv

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/175608-147862-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
5712	csrsll.exe
175696	csrsll.exe
175608	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
248740	c150e5e83b2a7e487ec66d56f48518f491f1f0ac76fbc9fa367c8bed1162200fN.exe
248740	c150e5e83b2a7e487ec66d56f48518f491f1f0ac76fbc9fa367c8bed1162200fN.exe
248740	c150e5e83b2a7e487ec66d56f48518f491f1f0ac76fbc9fa367c8bed1162200fN.exe
248740	c150e5e83b2a7e487ec66d56f48518f491f1f0ac76fbc9fa367c8bed1162200fN.exe
248740	c150e5e83b2a7e487ec66d56f48518f491f1f0ac76fbc9fa367c8bed1162200fN.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-1-5-21-2872745919-2748461613-2989606286-1000\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 2128 set thread context of 248740	2128	c150e5e83b2a7e487ec66d56f48518f491f1f0ac76fbc9fa367c8bed1162200fN.exe	31
PID 5712 set thread context of 175696	5712	csrsll.exe	36
PID 5712 set thread context of 175608	5712	csrsll.exe	37

UPX packed file 18 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2128-0-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/2128-914-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/2128-73917-0x00000000027C0000-0x0000000002816000-memory.dmp	upx
behavioral1/memory/248740-73922-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/248740-73920-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/248740-73925-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/248740-73927-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/248740-73928-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2128-73930-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/files/0x000e00000001227f-73955.dat	upx
behavioral1/memory/248740-73969-0x0000000003360000-0x00000000033B6000-memory.dmp	upx
behavioral1/memory/248740-81008-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/5712-105054-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/175608-147847-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/5712-147853-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/248740-147858-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/175696-147859-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/175608-147862-0x0000000000400000-0x0000000000414000-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	c150e5e83b2a7e487ec66d56f48518f491f1f0ac76fbc9fa367c8bed1162200fN.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	c150e5e83b2a7e487ec66d56f48518f491f1f0ac76fbc9fa367c8bed1162200fN.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeDebugPrivilege	175696	csrsll.exe
Token: SeDebugPrivilege	175696	csrsll.exe
Token: SeDebugPrivilege	175696	csrsll.exe
Token: SeDebugPrivilege	175696	csrsll.exe
Token: SeDebugPrivilege	175696	csrsll.exe
Token: SeDebugPrivilege	175696	csrsll.exe
Token: SeDebugPrivilege	175696	csrsll.exe
Token: SeDebugPrivilege	175696	csrsll.exe
Token: SeDebugPrivilege	175696	csrsll.exe
Token: SeDebugPrivilege	175696	csrsll.exe
Token: SeDebugPrivilege	175696	csrsll.exe
Token: SeDebugPrivilege	175696	csrsll.exe
Token: SeDebugPrivilege	175696	csrsll.exe
Token: SeDebugPrivilege	175696	csrsll.exe
Token: SeDebugPrivilege	175696	csrsll.exe
Token: SeDebugPrivilege	175696	csrsll.exe
Token: SeDebugPrivilege	175696	csrsll.exe
Token: SeDebugPrivilege	175696	csrsll.exe
Token: SeDebugPrivilege	175696	csrsll.exe
Token: SeDebugPrivilege	175696	csrsll.exe
Token: SeDebugPrivilege	175696	csrsll.exe
Token: SeDebugPrivilege	175696	csrsll.exe
Token: SeDebugPrivilege	175696	csrsll.exe
Token: SeDebugPrivilege	175696	csrsll.exe
Token: SeDebugPrivilege	175696	csrsll.exe
Token: SeDebugPrivilege	175696	csrsll.exe
Token: SeDebugPrivilege	175696	csrsll.exe
Token: SeDebugPrivilege	175696	csrsll.exe
Token: SeDebugPrivilege	175696	csrsll.exe
Token: SeDebugPrivilege	175696	csrsll.exe
Token: SeDebugPrivilege	175696	csrsll.exe
Token: SeDebugPrivilege	175696	csrsll.exe
Token: SeDebugPrivilege	175696	csrsll.exe
Token: SeDebugPrivilege	175696	csrsll.exe
Token: SeDebugPrivilege	175696	csrsll.exe
Token: SeDebugPrivilege	175696	csrsll.exe
Token: SeDebugPrivilege	175696	csrsll.exe
Token: SeDebugPrivilege	175696	csrsll.exe
Token: SeDebugPrivilege	175696	csrsll.exe
Token: SeDebugPrivilege	175696	csrsll.exe
Token: SeDebugPrivilege	175696	csrsll.exe
Token: SeDebugPrivilege	175696	csrsll.exe
Token: SeDebugPrivilege	175696	csrsll.exe
Token: SeDebugPrivilege	175696	csrsll.exe
Token: SeDebugPrivilege	175696	csrsll.exe
Token: SeDebugPrivilege	175696	csrsll.exe
Token: SeDebugPrivilege	175696	csrsll.exe
Token: SeDebugPrivilege	175696	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2128	c150e5e83b2a7e487ec66d56f48518f491f1f0ac76fbc9fa367c8bed1162200fN.exe
248740	c150e5e83b2a7e487ec66d56f48518f491f1f0ac76fbc9fa367c8bed1162200fN.exe
5712	csrsll.exe
175696	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2128 wrote to memory of 248740	2128	c150e5e83b2a7e487ec66d56f48518f491f1f0ac76fbc9fa367c8bed1162200fN.exe	31
PID 2128 wrote to memory of 248740	2128	c150e5e83b2a7e487ec66d56f48518f491f1f0ac76fbc9fa367c8bed1162200fN.exe	31
PID 2128 wrote to memory of 248740	2128	c150e5e83b2a7e487ec66d56f48518f491f1f0ac76fbc9fa367c8bed1162200fN.exe	31
PID 2128 wrote to memory of 248740	2128	c150e5e83b2a7e487ec66d56f48518f491f1f0ac76fbc9fa367c8bed1162200fN.exe	31
PID 2128 wrote to memory of 248740	2128	c150e5e83b2a7e487ec66d56f48518f491f1f0ac76fbc9fa367c8bed1162200fN.exe	31
PID 2128 wrote to memory of 248740	2128	c150e5e83b2a7e487ec66d56f48518f491f1f0ac76fbc9fa367c8bed1162200fN.exe	31
PID 2128 wrote to memory of 248740	2128	c150e5e83b2a7e487ec66d56f48518f491f1f0ac76fbc9fa367c8bed1162200fN.exe	31
PID 2128 wrote to memory of 248740	2128	c150e5e83b2a7e487ec66d56f48518f491f1f0ac76fbc9fa367c8bed1162200fN.exe	31
PID 248740 wrote to memory of 53228	248740	c150e5e83b2a7e487ec66d56f48518f491f1f0ac76fbc9fa367c8bed1162200fN.exe	32
PID 248740 wrote to memory of 53228	248740	c150e5e83b2a7e487ec66d56f48518f491f1f0ac76fbc9fa367c8bed1162200fN.exe	32
PID 248740 wrote to memory of 53228	248740	c150e5e83b2a7e487ec66d56f48518f491f1f0ac76fbc9fa367c8bed1162200fN.exe	32
PID 248740 wrote to memory of 53228	248740	c150e5e83b2a7e487ec66d56f48518f491f1f0ac76fbc9fa367c8bed1162200fN.exe	32
PID 53228 wrote to memory of 5644	53228	cmd.exe	34
PID 53228 wrote to memory of 5644	53228	cmd.exe	34
PID 53228 wrote to memory of 5644	53228	cmd.exe	34
PID 53228 wrote to memory of 5644	53228	cmd.exe	34
PID 248740 wrote to memory of 5712	248740	c150e5e83b2a7e487ec66d56f48518f491f1f0ac76fbc9fa367c8bed1162200fN.exe	35
PID 248740 wrote to memory of 5712	248740	c150e5e83b2a7e487ec66d56f48518f491f1f0ac76fbc9fa367c8bed1162200fN.exe	35
PID 248740 wrote to memory of 5712	248740	c150e5e83b2a7e487ec66d56f48518f491f1f0ac76fbc9fa367c8bed1162200fN.exe	35
PID 248740 wrote to memory of 5712	248740	c150e5e83b2a7e487ec66d56f48518f491f1f0ac76fbc9fa367c8bed1162200fN.exe	35
PID 5712 wrote to memory of 175696	5712	csrsll.exe	36
PID 5712 wrote to memory of 175696	5712	csrsll.exe	36
PID 5712 wrote to memory of 175696	5712	csrsll.exe	36
PID 5712 wrote to memory of 175696	5712	csrsll.exe	36
PID 5712 wrote to memory of 175696	5712	csrsll.exe	36
PID 5712 wrote to memory of 175696	5712	csrsll.exe	36
PID 5712 wrote to memory of 175696	5712	csrsll.exe	36
PID 5712 wrote to memory of 175696	5712	csrsll.exe	36
PID 5712 wrote to memory of 175608	5712	csrsll.exe	37
PID 5712 wrote to memory of 175608	5712	csrsll.exe	37
PID 5712 wrote to memory of 175608	5712	csrsll.exe	37
PID 5712 wrote to memory of 175608	5712	csrsll.exe	37
PID 5712 wrote to memory of 175608	5712	csrsll.exe	37
PID 5712 wrote to memory of 175608	5712	csrsll.exe	37
PID 5712 wrote to memory of 175608	5712	csrsll.exe	37
PID 5712 wrote to memory of 175608	5712	csrsll.exe	37

C:\Users\Admin\AppData\Local\Temp\c150e5e83b2a7e487ec66d56f48518f491f1f0ac76fbc9fa367c8bed1162200fN.exe
"C:\Users\Admin\AppData\Local\Temp\c150e5e83b2a7e487ec66d56f48518f491f1f0ac76fbc9fa367c8bed1162200fN.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2128
- C:\Users\Admin\AppData\Local\Temp\c150e5e83b2a7e487ec66d56f48518f491f1f0ac76fbc9fa367c8bed1162200fN.exe
  "C:\Users\Admin\AppData\Local\Temp\c150e5e83b2a7e487ec66d56f48518f491f1f0ac76fbc9fa367c8bed1162200fN.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:248740
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\BPFTO.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:53228
  - - 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:5644
- - 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:5712
  - - 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:175696
  - - 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:175608

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\BPFTO.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
94KB

MD5
513cc7a92fd50e5a960c2fe58928c47d

SHA1
5f462c0acc5d6fb2a5ca20562c43f24ad66b5c64

SHA256
b0e80fef4ff527b9dc0ad9febb2aece49d4db46fca969c12599db30b519ed574

SHA512
8a18c12d7b4d0e449d158e5199346c7c7dce9682814f18a1dd693d2ac12975cc2b872830f3baa38bd971c419f3120e7cf4bafaa859c4491323a2085c58d58352

Download Submit
memory/2128-3-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/2128-13-0x0000000000405000-0x0000000000406000-memory.dmp

Filesize
4KB

Download
memory/2128-914-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/2128-73917-0x00000000027C0000-0x0000000002816000-memory.dmp

Filesize
344KB

Download
memory/2128-73930-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/2128-0-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/2128-73926-0x0000000000405000-0x0000000000406000-memory.dmp

Filesize
4KB

Download
memory/5712-105054-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/5712-147853-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/175608-147847-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/175608-147862-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/175696-147859-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/248740-73928-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/248740-73927-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/248740-73969-0x0000000003360000-0x00000000033B6000-memory.dmp

Filesize
344KB

Download
memory/248740-73971-0x0000000003360000-0x00000000033B6000-memory.dmp

Filesize
344KB

Download
memory/248740-73970-0x0000000003360000-0x00000000033B6000-memory.dmp

Filesize
344KB

Download
memory/248740-81008-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/248740-94834-0x0000000003360000-0x00000000033B6000-memory.dmp

Filesize
344KB

Download
memory/248740-73925-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/248740-73924-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/248740-73918-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/248740-147858-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/248740-73920-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/248740-73922-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads