modiloader | c2794ab125d6c2a409b5af24e2e552c929587fa69cd88b276971c9b32ba7407d

Analysis

max time kernel
118s
max time network
17s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
08/12/2024, 00:44

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General

Target

c2794ab125d6c2a409b5af24e2e552c929587fa69cd88b276971c9b32ba7407dN.exe
Size

90KB
MD5

7478f73de761c5fa579627938d794c00
SHA1

7b85991b923503e3c064a1338020dc50e4f8f7a9
SHA256

c2794ab125d6c2a409b5af24e2e552c929587fa69cd88b276971c9b32ba7407d
SHA512

e9ee521281b728a12e99c69e292f3ba565f73f025e3d4ccce892c09ce9d9ed7d81b8a08373e0582e129dd238c584abe1e4fc50ca2370a29d0746512874b2219d
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDK:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3Y

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/1904-261-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
2864	csrsll.exe
2068	csrsll.exe
1904	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
984	c2794ab125d6c2a409b5af24e2e552c929587fa69cd88b276971c9b32ba7407dN.exe
984	c2794ab125d6c2a409b5af24e2e552c929587fa69cd88b276971c9b32ba7407dN.exe
984	c2794ab125d6c2a409b5af24e2e552c929587fa69cd88b276971c9b32ba7407dN.exe
984	c2794ab125d6c2a409b5af24e2e552c929587fa69cd88b276971c9b32ba7407dN.exe
984	c2794ab125d6c2a409b5af24e2e552c929587fa69cd88b276971c9b32ba7407dN.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-1-5-21-1163522206-1469769407-485553996-1000\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 2940 set thread context of 984	2940	c2794ab125d6c2a409b5af24e2e552c929587fa69cd88b276971c9b32ba7407dN.exe	30
PID 2864 set thread context of 2068	2864	csrsll.exe	35
PID 2864 set thread context of 1904	2864	csrsll.exe	36

UPX packed file 21 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2940-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2940-26-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2940-89-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/984-93-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/984-99-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/984-101-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/984-95-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/984-102-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/984-103-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/984-107-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2940-106-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/files/0x000d00000001202c-132.dat	upx
behavioral1/memory/984-134-0x0000000003470000-0x00000000034C3000-memory.dmp	upx
behavioral1/memory/2864-151-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/984-154-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2864-214-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/984-255-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2864-250-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1904-247-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/2068-258-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1904-261-0x0000000000400000-0x0000000000414000-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	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	c2794ab125d6c2a409b5af24e2e552c929587fa69cd88b276971c9b32ba7407dN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c2794ab125d6c2a409b5af24e2e552c929587fa69cd88b276971c9b32ba7407dN.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2068	csrsll.exe
Token: SeDebugPrivilege	2068	csrsll.exe
Token: SeDebugPrivilege	2068	csrsll.exe
Token: SeDebugPrivilege	2068	csrsll.exe
Token: SeDebugPrivilege	2068	csrsll.exe
Token: SeDebugPrivilege	2068	csrsll.exe
Token: SeDebugPrivilege	2068	csrsll.exe
Token: SeDebugPrivilege	2068	csrsll.exe
Token: SeDebugPrivilege	2068	csrsll.exe
Token: SeDebugPrivilege	2068	csrsll.exe
Token: SeDebugPrivilege	2068	csrsll.exe
Token: SeDebugPrivilege	2068	csrsll.exe
Token: SeDebugPrivilege	2068	csrsll.exe
Token: SeDebugPrivilege	2068	csrsll.exe
Token: SeDebugPrivilege	2068	csrsll.exe
Token: SeDebugPrivilege	2068	csrsll.exe
Token: SeDebugPrivilege	2068	csrsll.exe
Token: SeDebugPrivilege	2068	csrsll.exe
Token: SeDebugPrivilege	2068	csrsll.exe
Token: SeDebugPrivilege	2068	csrsll.exe
Token: SeDebugPrivilege	2068	csrsll.exe
Token: SeDebugPrivilege	2068	csrsll.exe
Token: SeDebugPrivilege	2068	csrsll.exe
Token: SeDebugPrivilege	2068	csrsll.exe
Token: SeDebugPrivilege	2068	csrsll.exe
Token: SeDebugPrivilege	2068	csrsll.exe
Token: SeDebugPrivilege	2068	csrsll.exe
Token: SeDebugPrivilege	2068	csrsll.exe
Token: SeDebugPrivilege	2068	csrsll.exe
Token: SeDebugPrivilege	2068	csrsll.exe
Token: SeDebugPrivilege	2068	csrsll.exe
Token: SeDebugPrivilege	2068	csrsll.exe
Token: SeDebugPrivilege	2068	csrsll.exe
Token: SeDebugPrivilege	2068	csrsll.exe
Token: SeDebugPrivilege	2068	csrsll.exe
Token: SeDebugPrivilege	2068	csrsll.exe
Token: SeDebugPrivilege	2068	csrsll.exe
Token: SeDebugPrivilege	2068	csrsll.exe
Token: SeDebugPrivilege	2068	csrsll.exe
Token: SeDebugPrivilege	2068	csrsll.exe
Token: SeDebugPrivilege	2068	csrsll.exe
Token: SeDebugPrivilege	2068	csrsll.exe
Token: SeDebugPrivilege	2068	csrsll.exe
Token: SeDebugPrivilege	2068	csrsll.exe
Token: SeDebugPrivilege	2068	csrsll.exe
Token: SeDebugPrivilege	2068	csrsll.exe
Token: SeDebugPrivilege	2068	csrsll.exe
Token: SeDebugPrivilege	2068	csrsll.exe
Token: SeDebugPrivilege	2068	csrsll.exe
Token: SeDebugPrivilege	2068	csrsll.exe
Token: SeDebugPrivilege	2068	csrsll.exe
Token: SeDebugPrivilege	2068	csrsll.exe
Token: SeDebugPrivilege	2068	csrsll.exe
Token: SeDebugPrivilege	2068	csrsll.exe
Token: SeDebugPrivilege	2068	csrsll.exe
Token: SeDebugPrivilege	2068	csrsll.exe
Token: SeDebugPrivilege	2068	csrsll.exe
Token: SeDebugPrivilege	2068	csrsll.exe
Token: SeDebugPrivilege	2068	csrsll.exe
Token: SeDebugPrivilege	2068	csrsll.exe
Token: SeDebugPrivilege	2068	csrsll.exe
Token: SeDebugPrivilege	2068	csrsll.exe
Token: SeDebugPrivilege	2068	csrsll.exe
Token: SeDebugPrivilege	2068	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2940	c2794ab125d6c2a409b5af24e2e552c929587fa69cd88b276971c9b32ba7407dN.exe
984	c2794ab125d6c2a409b5af24e2e552c929587fa69cd88b276971c9b32ba7407dN.exe
2864	csrsll.exe
2068	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2940 wrote to memory of 984	2940	c2794ab125d6c2a409b5af24e2e552c929587fa69cd88b276971c9b32ba7407dN.exe	30
PID 2940 wrote to memory of 984	2940	c2794ab125d6c2a409b5af24e2e552c929587fa69cd88b276971c9b32ba7407dN.exe	30
PID 2940 wrote to memory of 984	2940	c2794ab125d6c2a409b5af24e2e552c929587fa69cd88b276971c9b32ba7407dN.exe	30
PID 2940 wrote to memory of 984	2940	c2794ab125d6c2a409b5af24e2e552c929587fa69cd88b276971c9b32ba7407dN.exe	30
PID 2940 wrote to memory of 984	2940	c2794ab125d6c2a409b5af24e2e552c929587fa69cd88b276971c9b32ba7407dN.exe	30
PID 2940 wrote to memory of 984	2940	c2794ab125d6c2a409b5af24e2e552c929587fa69cd88b276971c9b32ba7407dN.exe	30
PID 2940 wrote to memory of 984	2940	c2794ab125d6c2a409b5af24e2e552c929587fa69cd88b276971c9b32ba7407dN.exe	30
PID 2940 wrote to memory of 984	2940	c2794ab125d6c2a409b5af24e2e552c929587fa69cd88b276971c9b32ba7407dN.exe	30
PID 984 wrote to memory of 2984	984	c2794ab125d6c2a409b5af24e2e552c929587fa69cd88b276971c9b32ba7407dN.exe	31
PID 984 wrote to memory of 2984	984	c2794ab125d6c2a409b5af24e2e552c929587fa69cd88b276971c9b32ba7407dN.exe	31
PID 984 wrote to memory of 2984	984	c2794ab125d6c2a409b5af24e2e552c929587fa69cd88b276971c9b32ba7407dN.exe	31
PID 984 wrote to memory of 2984	984	c2794ab125d6c2a409b5af24e2e552c929587fa69cd88b276971c9b32ba7407dN.exe	31
PID 2984 wrote to memory of 1424	2984	cmd.exe	33
PID 2984 wrote to memory of 1424	2984	cmd.exe	33
PID 2984 wrote to memory of 1424	2984	cmd.exe	33
PID 2984 wrote to memory of 1424	2984	cmd.exe	33
PID 984 wrote to memory of 2864	984	c2794ab125d6c2a409b5af24e2e552c929587fa69cd88b276971c9b32ba7407dN.exe	34
PID 984 wrote to memory of 2864	984	c2794ab125d6c2a409b5af24e2e552c929587fa69cd88b276971c9b32ba7407dN.exe	34
PID 984 wrote to memory of 2864	984	c2794ab125d6c2a409b5af24e2e552c929587fa69cd88b276971c9b32ba7407dN.exe	34
PID 984 wrote to memory of 2864	984	c2794ab125d6c2a409b5af24e2e552c929587fa69cd88b276971c9b32ba7407dN.exe	34
PID 2864 wrote to memory of 2068	2864	csrsll.exe	35
PID 2864 wrote to memory of 2068	2864	csrsll.exe	35
PID 2864 wrote to memory of 2068	2864	csrsll.exe	35
PID 2864 wrote to memory of 2068	2864	csrsll.exe	35
PID 2864 wrote to memory of 2068	2864	csrsll.exe	35
PID 2864 wrote to memory of 2068	2864	csrsll.exe	35
PID 2864 wrote to memory of 2068	2864	csrsll.exe	35
PID 2864 wrote to memory of 2068	2864	csrsll.exe	35
PID 2864 wrote to memory of 1904	2864	csrsll.exe	36
PID 2864 wrote to memory of 1904	2864	csrsll.exe	36
PID 2864 wrote to memory of 1904	2864	csrsll.exe	36
PID 2864 wrote to memory of 1904	2864	csrsll.exe	36
PID 2864 wrote to memory of 1904	2864	csrsll.exe	36
PID 2864 wrote to memory of 1904	2864	csrsll.exe	36
PID 2864 wrote to memory of 1904	2864	csrsll.exe	36
PID 2864 wrote to memory of 1904	2864	csrsll.exe	36

C:\Users\Admin\AppData\Local\Temp\c2794ab125d6c2a409b5af24e2e552c929587fa69cd88b276971c9b32ba7407dN.exe
"C:\Users\Admin\AppData\Local\Temp\c2794ab125d6c2a409b5af24e2e552c929587fa69cd88b276971c9b32ba7407dN.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2940
- C:\Users\Admin\AppData\Local\Temp\c2794ab125d6c2a409b5af24e2e552c929587fa69cd88b276971c9b32ba7407dN.exe
  "C:\Users\Admin\AppData\Local\Temp\c2794ab125d6c2a409b5af24e2e552c929587fa69cd88b276971c9b32ba7407dN.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:984
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\VBTXS.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2984
  - - 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:1424
- - 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:2864
  - - 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:2068
  - - 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:1904

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\VBTXS.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
90b10aeddcade0ac756b8b08d7dafd96

SHA1
5e4bd1275b249ce88b936f20e3fdd24c02904ae8

SHA256
128611a2c0fd6384856107ccd7cfe53f35eeac70c2ec9e872c18db0a21cd5967

SHA512
7efa93e1494b37a1126fe73a977cd1929fc65ad7e99cf4c345cd6745a2a3b616a97bd6eef343ef7d534b49190295a1365f4565feaa4d9e67af4559c862dce190

Download Submit
memory/984-154-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/984-99-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/984-149-0x0000000003470000-0x00000000034C3000-memory.dmp

Filesize
332KB

Download
memory/984-148-0x0000000003470000-0x00000000034C3000-memory.dmp

Filesize
332KB

Download
memory/984-147-0x0000000003470000-0x00000000034C3000-memory.dmp

Filesize
332KB

Download
memory/984-134-0x0000000003470000-0x00000000034C3000-memory.dmp

Filesize
332KB

Download
memory/984-91-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/984-255-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/984-241-0x0000000003470000-0x00000000034C3000-memory.dmp

Filesize
332KB

Download
memory/984-95-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/984-103-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/984-102-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/984-93-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/984-107-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/984-101-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/984-97-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1904-247-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1904-261-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2068-258-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2864-151-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2864-178-0x00000000003E0000-0x00000000003E1000-memory.dmp

Filesize
4KB

Download
memory/2864-214-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2864-167-0x00000000003C0000-0x00000000003C1000-memory.dmp

Filesize
4KB

Download
memory/2864-250-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2864-157-0x00000000003A0000-0x00000000003A1000-memory.dmp

Filesize
4KB

Download
memory/2940-79-0x00000000003F0000-0x00000000003F2000-memory.dmp

Filesize
8KB

Download
memory/2940-106-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2940-3-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2940-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2940-5-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2940-18-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/2940-61-0x00000000003A0000-0x00000000003A1000-memory.dmp

Filesize
4KB

Download
memory/2940-89-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2940-71-0x00000000003C0000-0x00000000003C1000-memory.dmp

Filesize
4KB

Download
memory/2940-90-0x00000000024D0000-0x0000000002523000-memory.dmp

Filesize
332KB

Download
memory/2940-29-0x00000000002B0000-0x00000000002B1000-memory.dmp

Filesize
4KB

Download
memory/2940-41-0x0000000000360000-0x0000000000361000-memory.dmp

Filesize
4KB

Download
memory/2940-26-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2940-15-0x0000000000290000-0x0000000000291000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads