modiloader | c1fe14fecf18a093f0e3670ee3f733d0c6d79824855c231e34975f065d8a934f

Analysis

max time kernel
148s
max time network
17s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
18-12-2024 11:15

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

c1fe14fecf18a093f0e3670ee3f733d0c6d79824855c231e34975f065d8a934f.exe
Size

90KB
MD5

1a99c57fa7d83760e09a3ff812e417b4
SHA1

7bf657bee7072b4b68d259b2a66620576a32b964
SHA256

c1fe14fecf18a093f0e3670ee3f733d0c6d79824855c231e34975f065d8a934f
SHA512

b0af9aa9374a3bf6230f5c159db0cfe7156fea6626ac7e7ef57a81e11f1fe8eac16488e564d05f2b6eeff74d6d7ee803e928047f86f2f28af5eb4f8cd41f3aba
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDQ: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/356-263-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
1124	csrsll.exe
1628	csrsll.exe
356	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
2112	c1fe14fecf18a093f0e3670ee3f733d0c6d79824855c231e34975f065d8a934f.exe
2112	c1fe14fecf18a093f0e3670ee3f733d0c6d79824855c231e34975f065d8a934f.exe
2112	c1fe14fecf18a093f0e3670ee3f733d0c6d79824855c231e34975f065d8a934f.exe
2112	c1fe14fecf18a093f0e3670ee3f733d0c6d79824855c231e34975f065d8a934f.exe
2112	c1fe14fecf18a093f0e3670ee3f733d0c6d79824855c231e34975f065d8a934f.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 2268 set thread context of 2112	2268	c1fe14fecf18a093f0e3670ee3f733d0c6d79824855c231e34975f065d8a934f.exe	29
PID 1124 set thread context of 1628	1124	csrsll.exe	34
PID 1124 set thread context of 356	1124	csrsll.exe	35

UPX packed file 21 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2268-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2268-26-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2268-89-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2112-107-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2112-105-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2112-104-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2268-103-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2112-101-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2112-99-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2268-96-0x0000000002740000-0x0000000002793000-memory.dmp	upx
behavioral1/memory/2112-94-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2112-92-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x000d000000012243-145.dat	upx
behavioral1/memory/2112-134-0x00000000031F0000-0x0000000003243000-memory.dmp	upx
behavioral1/memory/2112-154-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2112-256-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/356-253-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/1124-251-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1124-228-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1628-260-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/356-263-0x0000000000400000-0x0000000000414000-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	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c1fe14fecf18a093f0e3670ee3f733d0c6d79824855c231e34975f065d8a934f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c1fe14fecf18a093f0e3670ee3f733d0c6d79824855c231e34975f065d8a934f.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

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	1628	csrsll.exe
Token: SeDebugPrivilege	1628	csrsll.exe
Token: SeDebugPrivilege	1628	csrsll.exe
Token: SeDebugPrivilege	1628	csrsll.exe
Token: SeDebugPrivilege	1628	csrsll.exe
Token: SeDebugPrivilege	1628	csrsll.exe
Token: SeDebugPrivilege	1628	csrsll.exe
Token: SeDebugPrivilege	1628	csrsll.exe
Token: SeDebugPrivilege	1628	csrsll.exe
Token: SeDebugPrivilege	1628	csrsll.exe
Token: SeDebugPrivilege	1628	csrsll.exe
Token: SeDebugPrivilege	1628	csrsll.exe
Token: SeDebugPrivilege	1628	csrsll.exe
Token: SeDebugPrivilege	1628	csrsll.exe
Token: SeDebugPrivilege	1628	csrsll.exe
Token: SeDebugPrivilege	1628	csrsll.exe
Token: SeDebugPrivilege	1628	csrsll.exe
Token: SeDebugPrivilege	1628	csrsll.exe
Token: SeDebugPrivilege	1628	csrsll.exe
Token: SeDebugPrivilege	1628	csrsll.exe
Token: SeDebugPrivilege	1628	csrsll.exe
Token: SeDebugPrivilege	1628	csrsll.exe
Token: SeDebugPrivilege	1628	csrsll.exe
Token: SeDebugPrivilege	1628	csrsll.exe
Token: SeDebugPrivilege	1628	csrsll.exe
Token: SeDebugPrivilege	1628	csrsll.exe
Token: SeDebugPrivilege	1628	csrsll.exe
Token: SeDebugPrivilege	1628	csrsll.exe
Token: SeDebugPrivilege	1628	csrsll.exe
Token: SeDebugPrivilege	1628	csrsll.exe
Token: SeDebugPrivilege	1628	csrsll.exe
Token: SeDebugPrivilege	1628	csrsll.exe
Token: SeDebugPrivilege	1628	csrsll.exe
Token: SeDebugPrivilege	1628	csrsll.exe
Token: SeDebugPrivilege	1628	csrsll.exe
Token: SeDebugPrivilege	1628	csrsll.exe
Token: SeDebugPrivilege	1628	csrsll.exe
Token: SeDebugPrivilege	1628	csrsll.exe
Token: SeDebugPrivilege	1628	csrsll.exe
Token: SeDebugPrivilege	1628	csrsll.exe
Token: SeDebugPrivilege	1628	csrsll.exe
Token: SeDebugPrivilege	1628	csrsll.exe
Token: SeDebugPrivilege	1628	csrsll.exe
Token: SeDebugPrivilege	1628	csrsll.exe
Token: SeDebugPrivilege	1628	csrsll.exe
Token: SeDebugPrivilege	1628	csrsll.exe
Token: SeDebugPrivilege	1628	csrsll.exe
Token: SeDebugPrivilege	1628	csrsll.exe
Token: SeDebugPrivilege	1628	csrsll.exe
Token: SeDebugPrivilege	1628	csrsll.exe
Token: SeDebugPrivilege	1628	csrsll.exe
Token: SeDebugPrivilege	1628	csrsll.exe
Token: SeDebugPrivilege	1628	csrsll.exe
Token: SeDebugPrivilege	1628	csrsll.exe
Token: SeDebugPrivilege	1628	csrsll.exe
Token: SeDebugPrivilege	1628	csrsll.exe
Token: SeDebugPrivilege	1628	csrsll.exe
Token: SeDebugPrivilege	1628	csrsll.exe
Token: SeDebugPrivilege	1628	csrsll.exe
Token: SeDebugPrivilege	1628	csrsll.exe
Token: SeDebugPrivilege	1628	csrsll.exe
Token: SeDebugPrivilege	1628	csrsll.exe
Token: SeDebugPrivilege	1628	csrsll.exe
Token: SeDebugPrivilege	1628	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2268	c1fe14fecf18a093f0e3670ee3f733d0c6d79824855c231e34975f065d8a934f.exe
2112	c1fe14fecf18a093f0e3670ee3f733d0c6d79824855c231e34975f065d8a934f.exe
1124	csrsll.exe
1628	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2268 wrote to memory of 2112	2268	c1fe14fecf18a093f0e3670ee3f733d0c6d79824855c231e34975f065d8a934f.exe	29
PID 2268 wrote to memory of 2112	2268	c1fe14fecf18a093f0e3670ee3f733d0c6d79824855c231e34975f065d8a934f.exe	29
PID 2268 wrote to memory of 2112	2268	c1fe14fecf18a093f0e3670ee3f733d0c6d79824855c231e34975f065d8a934f.exe	29
PID 2268 wrote to memory of 2112	2268	c1fe14fecf18a093f0e3670ee3f733d0c6d79824855c231e34975f065d8a934f.exe	29
PID 2268 wrote to memory of 2112	2268	c1fe14fecf18a093f0e3670ee3f733d0c6d79824855c231e34975f065d8a934f.exe	29
PID 2268 wrote to memory of 2112	2268	c1fe14fecf18a093f0e3670ee3f733d0c6d79824855c231e34975f065d8a934f.exe	29
PID 2268 wrote to memory of 2112	2268	c1fe14fecf18a093f0e3670ee3f733d0c6d79824855c231e34975f065d8a934f.exe	29
PID 2268 wrote to memory of 2112	2268	c1fe14fecf18a093f0e3670ee3f733d0c6d79824855c231e34975f065d8a934f.exe	29
PID 2112 wrote to memory of 1748	2112	c1fe14fecf18a093f0e3670ee3f733d0c6d79824855c231e34975f065d8a934f.exe	30
PID 2112 wrote to memory of 1748	2112	c1fe14fecf18a093f0e3670ee3f733d0c6d79824855c231e34975f065d8a934f.exe	30
PID 2112 wrote to memory of 1748	2112	c1fe14fecf18a093f0e3670ee3f733d0c6d79824855c231e34975f065d8a934f.exe	30
PID 2112 wrote to memory of 1748	2112	c1fe14fecf18a093f0e3670ee3f733d0c6d79824855c231e34975f065d8a934f.exe	30
PID 1748 wrote to memory of 2796	1748	cmd.exe	32
PID 1748 wrote to memory of 2796	1748	cmd.exe	32
PID 1748 wrote to memory of 2796	1748	cmd.exe	32
PID 1748 wrote to memory of 2796	1748	cmd.exe	32
PID 2112 wrote to memory of 1124	2112	c1fe14fecf18a093f0e3670ee3f733d0c6d79824855c231e34975f065d8a934f.exe	33
PID 2112 wrote to memory of 1124	2112	c1fe14fecf18a093f0e3670ee3f733d0c6d79824855c231e34975f065d8a934f.exe	33
PID 2112 wrote to memory of 1124	2112	c1fe14fecf18a093f0e3670ee3f733d0c6d79824855c231e34975f065d8a934f.exe	33
PID 2112 wrote to memory of 1124	2112	c1fe14fecf18a093f0e3670ee3f733d0c6d79824855c231e34975f065d8a934f.exe	33
PID 1124 wrote to memory of 1628	1124	csrsll.exe	34
PID 1124 wrote to memory of 1628	1124	csrsll.exe	34
PID 1124 wrote to memory of 1628	1124	csrsll.exe	34
PID 1124 wrote to memory of 1628	1124	csrsll.exe	34
PID 1124 wrote to memory of 1628	1124	csrsll.exe	34
PID 1124 wrote to memory of 1628	1124	csrsll.exe	34
PID 1124 wrote to memory of 1628	1124	csrsll.exe	34
PID 1124 wrote to memory of 1628	1124	csrsll.exe	34
PID 1124 wrote to memory of 356	1124	csrsll.exe	35
PID 1124 wrote to memory of 356	1124	csrsll.exe	35
PID 1124 wrote to memory of 356	1124	csrsll.exe	35
PID 1124 wrote to memory of 356	1124	csrsll.exe	35
PID 1124 wrote to memory of 356	1124	csrsll.exe	35
PID 1124 wrote to memory of 356	1124	csrsll.exe	35
PID 1124 wrote to memory of 356	1124	csrsll.exe	35
PID 1124 wrote to memory of 356	1124	csrsll.exe	35

C:\Users\Admin\AppData\Local\Temp\c1fe14fecf18a093f0e3670ee3f733d0c6d79824855c231e34975f065d8a934f.exe
"C:\Users\Admin\AppData\Local\Temp\c1fe14fecf18a093f0e3670ee3f733d0c6d79824855c231e34975f065d8a934f.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2268
- C:\Users\Admin\AppData\Local\Temp\c1fe14fecf18a093f0e3670ee3f733d0c6d79824855c231e34975f065d8a934f.exe
  "C:\Users\Admin\AppData\Local\Temp\c1fe14fecf18a093f0e3670ee3f733d0c6d79824855c231e34975f065d8a934f.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2112
- - 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:1748
  - - 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:2796
- - 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:1124
  - - 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:1628
  - - 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:356

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

Loading Replay Monitor...

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
b47a7ae62c5fe596c0b1c9deb2b479eb

SHA1
01ed79dabe3a24f5571e43d47da716401813e3e6

SHA256
59dbf670f16486f3833941474b0128d8e88350b8331561a4c55c0780e95162ae

SHA512
475577294f9cb31a187f7d51f0090df574ced651640b88e936ad44ef60a812acb35f7f9f22dd1d01f7d7deeae5908e522edfd7c3ea0c0b2fc37dd7e3cc1669aa

Download Submit
memory/356-263-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/356-253-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1124-228-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1124-251-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1124-167-0x00000000003D0000-0x00000000003D1000-memory.dmp

Filesize
4KB

Download
memory/1124-178-0x00000000003F0000-0x00000000003F1000-memory.dmp

Filesize
4KB

Download
memory/1124-157-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/1628-260-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2112-154-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2112-244-0x0000000003200000-0x0000000003253000-memory.dmp

Filesize
332KB

Download
memory/2112-107-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2112-105-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2112-104-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2112-243-0x00000000031F0000-0x0000000003243000-memory.dmp

Filesize
332KB

Download
memory/2112-101-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2112-99-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2112-97-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2112-134-0x00000000031F0000-0x0000000003243000-memory.dmp

Filesize
332KB

Download
memory/2112-94-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2112-92-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2112-90-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2112-245-0x0000000003200000-0x0000000003253000-memory.dmp

Filesize
332KB

Download
memory/2112-256-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2112-150-0x0000000003200000-0x0000000003253000-memory.dmp

Filesize
332KB

Download
memory/2112-149-0x0000000003200000-0x0000000003253000-memory.dmp

Filesize
332KB

Download
memory/2112-148-0x0000000003200000-0x0000000003253000-memory.dmp

Filesize
332KB

Download
memory/2112-147-0x00000000031F0000-0x0000000003243000-memory.dmp

Filesize
332KB

Download
memory/2268-96-0x0000000002740000-0x0000000002793000-memory.dmp

Filesize
332KB

Download
memory/2268-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2268-89-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2268-41-0x0000000000310000-0x0000000000311000-memory.dmp

Filesize
4KB

Download
memory/2268-29-0x00000000002F0000-0x00000000002F1000-memory.dmp

Filesize
4KB

Download
memory/2268-79-0x0000000001D80000-0x0000000001D82000-memory.dmp

Filesize
8KB

Download
memory/2268-5-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/2268-25-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/2268-71-0x0000000001D60000-0x0000000001D61000-memory.dmp

Filesize
4KB

Download
memory/2268-61-0x00000000003E0000-0x00000000003E1000-memory.dmp

Filesize
4KB

Download
memory/2268-103-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2268-26-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2268-15-0x00000000002D0000-0x00000000002D1000-memory.dmp

Filesize
4KB

Download
memory/2268-3-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads