modiloader | 27733d66f3b13fa92894131a54aae60376205a0c0d4e0378677a510c495c14d4

Analysis

max time kernel
119s
max time network
119s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
06/12/2024, 23:55

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

27733d66f3b13fa92894131a54aae60376205a0c0d4e0378677a510c495c14d4.exe
Size

300KB
MD5

1706bf3181f5d5d439cafdc95b41b719
SHA1

e52b26611e3944de0580b27aad43adddebec7dc6
SHA256

27733d66f3b13fa92894131a54aae60376205a0c0d4e0378677a510c495c14d4
SHA512

093def6fc62c301e287192bd71c4e60ee8788077dbd8c5e26a8c6b47a2c3eb1ceee307fb96897982d2a04214b00101ccb125d0440e4f148e4d5d29729be73ea2
SSDEEP

3072:Ue2A0wxDqUpM5scww4chO+O1BmP5DG0sg3i4XZ9WvDZHwdRX/L+gP38G+:UsxD5cwohO+O1sVG0/pZ6iPC8o

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/2220-253-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
1816	csrsll.exe
2956	csrsll.exe
2220	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
2812	27733d66f3b13fa92894131a54aae60376205a0c0d4e0378677a510c495c14d4.exe
2812	27733d66f3b13fa92894131a54aae60376205a0c0d4e0378677a510c495c14d4.exe
2812	27733d66f3b13fa92894131a54aae60376205a0c0d4e0378677a510c495c14d4.exe
2812	27733d66f3b13fa92894131a54aae60376205a0c0d4e0378677a510c495c14d4.exe
2812	27733d66f3b13fa92894131a54aae60376205a0c0d4e0378677a510c495c14d4.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-1-5-21-2039016743-699959520-214465309-1000\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 2260 set thread context of 2812	2260	27733d66f3b13fa92894131a54aae60376205a0c0d4e0378677a510c495c14d4.exe	30
PID 1816 set thread context of 2956	1816	csrsll.exe	35
PID 1816 set thread context of 2220	1816	csrsll.exe	36

UPX packed file 12 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2812-99-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2812-95-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2812-93-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2812-101-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2812-102-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2812-104-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2812-103-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2812-228-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2220-243-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/2812-246-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2956-250-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2220-253-0x0000000000400000-0x0000000000414000-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	27733d66f3b13fa92894131a54aae60376205a0c0d4e0378677a510c495c14d4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	27733d66f3b13fa92894131a54aae60376205a0c0d4e0378677a510c495c14d4.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	2956	csrsll.exe
Token: SeDebugPrivilege	2956	csrsll.exe
Token: SeDebugPrivilege	2956	csrsll.exe
Token: SeDebugPrivilege	2956	csrsll.exe
Token: SeDebugPrivilege	2956	csrsll.exe
Token: SeDebugPrivilege	2956	csrsll.exe
Token: SeDebugPrivilege	2956	csrsll.exe
Token: SeDebugPrivilege	2956	csrsll.exe
Token: SeDebugPrivilege	2956	csrsll.exe
Token: SeDebugPrivilege	2956	csrsll.exe
Token: SeDebugPrivilege	2956	csrsll.exe
Token: SeDebugPrivilege	2956	csrsll.exe
Token: SeDebugPrivilege	2956	csrsll.exe
Token: SeDebugPrivilege	2956	csrsll.exe
Token: SeDebugPrivilege	2956	csrsll.exe
Token: SeDebugPrivilege	2956	csrsll.exe
Token: SeDebugPrivilege	2956	csrsll.exe
Token: SeDebugPrivilege	2956	csrsll.exe
Token: SeDebugPrivilege	2956	csrsll.exe
Token: SeDebugPrivilege	2956	csrsll.exe
Token: SeDebugPrivilege	2956	csrsll.exe
Token: SeDebugPrivilege	2956	csrsll.exe
Token: SeDebugPrivilege	2956	csrsll.exe
Token: SeDebugPrivilege	2956	csrsll.exe
Token: SeDebugPrivilege	2956	csrsll.exe
Token: SeDebugPrivilege	2956	csrsll.exe
Token: SeDebugPrivilege	2956	csrsll.exe
Token: SeDebugPrivilege	2956	csrsll.exe
Token: SeDebugPrivilege	2956	csrsll.exe
Token: SeDebugPrivilege	2956	csrsll.exe
Token: SeDebugPrivilege	2956	csrsll.exe
Token: SeDebugPrivilege	2956	csrsll.exe
Token: SeDebugPrivilege	2956	csrsll.exe
Token: SeDebugPrivilege	2956	csrsll.exe
Token: SeDebugPrivilege	2956	csrsll.exe
Token: SeDebugPrivilege	2956	csrsll.exe
Token: SeDebugPrivilege	2956	csrsll.exe
Token: SeDebugPrivilege	2956	csrsll.exe
Token: SeDebugPrivilege	2956	csrsll.exe
Token: SeDebugPrivilege	2956	csrsll.exe
Token: SeDebugPrivilege	2956	csrsll.exe
Token: SeDebugPrivilege	2956	csrsll.exe
Token: SeDebugPrivilege	2956	csrsll.exe
Token: SeDebugPrivilege	2956	csrsll.exe
Token: SeDebugPrivilege	2956	csrsll.exe
Token: SeDebugPrivilege	2956	csrsll.exe
Token: SeDebugPrivilege	2956	csrsll.exe
Token: SeDebugPrivilege	2956	csrsll.exe
Token: SeDebugPrivilege	2956	csrsll.exe
Token: SeDebugPrivilege	2956	csrsll.exe
Token: SeDebugPrivilege	2956	csrsll.exe
Token: SeDebugPrivilege	2956	csrsll.exe
Token: SeDebugPrivilege	2956	csrsll.exe
Token: SeDebugPrivilege	2956	csrsll.exe
Token: SeDebugPrivilege	2956	csrsll.exe
Token: SeDebugPrivilege	2956	csrsll.exe
Token: SeDebugPrivilege	2956	csrsll.exe
Token: SeDebugPrivilege	2956	csrsll.exe
Token: SeDebugPrivilege	2956	csrsll.exe
Token: SeDebugPrivilege	2956	csrsll.exe
Token: SeDebugPrivilege	2956	csrsll.exe
Token: SeDebugPrivilege	2956	csrsll.exe
Token: SeDebugPrivilege	2956	csrsll.exe
Token: SeDebugPrivilege	2956	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2260	27733d66f3b13fa92894131a54aae60376205a0c0d4e0378677a510c495c14d4.exe
2812	27733d66f3b13fa92894131a54aae60376205a0c0d4e0378677a510c495c14d4.exe
1816	csrsll.exe
2956	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2260 wrote to memory of 2812	2260	27733d66f3b13fa92894131a54aae60376205a0c0d4e0378677a510c495c14d4.exe	30
PID 2260 wrote to memory of 2812	2260	27733d66f3b13fa92894131a54aae60376205a0c0d4e0378677a510c495c14d4.exe	30
PID 2260 wrote to memory of 2812	2260	27733d66f3b13fa92894131a54aae60376205a0c0d4e0378677a510c495c14d4.exe	30
PID 2260 wrote to memory of 2812	2260	27733d66f3b13fa92894131a54aae60376205a0c0d4e0378677a510c495c14d4.exe	30
PID 2260 wrote to memory of 2812	2260	27733d66f3b13fa92894131a54aae60376205a0c0d4e0378677a510c495c14d4.exe	30
PID 2260 wrote to memory of 2812	2260	27733d66f3b13fa92894131a54aae60376205a0c0d4e0378677a510c495c14d4.exe	30
PID 2260 wrote to memory of 2812	2260	27733d66f3b13fa92894131a54aae60376205a0c0d4e0378677a510c495c14d4.exe	30
PID 2260 wrote to memory of 2812	2260	27733d66f3b13fa92894131a54aae60376205a0c0d4e0378677a510c495c14d4.exe	30
PID 2812 wrote to memory of 2608	2812	27733d66f3b13fa92894131a54aae60376205a0c0d4e0378677a510c495c14d4.exe	31
PID 2812 wrote to memory of 2608	2812	27733d66f3b13fa92894131a54aae60376205a0c0d4e0378677a510c495c14d4.exe	31
PID 2812 wrote to memory of 2608	2812	27733d66f3b13fa92894131a54aae60376205a0c0d4e0378677a510c495c14d4.exe	31
PID 2812 wrote to memory of 2608	2812	27733d66f3b13fa92894131a54aae60376205a0c0d4e0378677a510c495c14d4.exe	31
PID 2608 wrote to memory of 584	2608	cmd.exe	33
PID 2608 wrote to memory of 584	2608	cmd.exe	33
PID 2608 wrote to memory of 584	2608	cmd.exe	33
PID 2608 wrote to memory of 584	2608	cmd.exe	33
PID 2812 wrote to memory of 1816	2812	27733d66f3b13fa92894131a54aae60376205a0c0d4e0378677a510c495c14d4.exe	34
PID 2812 wrote to memory of 1816	2812	27733d66f3b13fa92894131a54aae60376205a0c0d4e0378677a510c495c14d4.exe	34
PID 2812 wrote to memory of 1816	2812	27733d66f3b13fa92894131a54aae60376205a0c0d4e0378677a510c495c14d4.exe	34
PID 2812 wrote to memory of 1816	2812	27733d66f3b13fa92894131a54aae60376205a0c0d4e0378677a510c495c14d4.exe	34
PID 1816 wrote to memory of 2956	1816	csrsll.exe	35
PID 1816 wrote to memory of 2956	1816	csrsll.exe	35
PID 1816 wrote to memory of 2956	1816	csrsll.exe	35
PID 1816 wrote to memory of 2956	1816	csrsll.exe	35
PID 1816 wrote to memory of 2956	1816	csrsll.exe	35
PID 1816 wrote to memory of 2956	1816	csrsll.exe	35
PID 1816 wrote to memory of 2956	1816	csrsll.exe	35
PID 1816 wrote to memory of 2956	1816	csrsll.exe	35
PID 1816 wrote to memory of 2220	1816	csrsll.exe	36
PID 1816 wrote to memory of 2220	1816	csrsll.exe	36
PID 1816 wrote to memory of 2220	1816	csrsll.exe	36
PID 1816 wrote to memory of 2220	1816	csrsll.exe	36
PID 1816 wrote to memory of 2220	1816	csrsll.exe	36
PID 1816 wrote to memory of 2220	1816	csrsll.exe	36
PID 1816 wrote to memory of 2220	1816	csrsll.exe	36
PID 1816 wrote to memory of 2220	1816	csrsll.exe	36

C:\Users\Admin\AppData\Local\Temp\27733d66f3b13fa92894131a54aae60376205a0c0d4e0378677a510c495c14d4.exe
"C:\Users\Admin\AppData\Local\Temp\27733d66f3b13fa92894131a54aae60376205a0c0d4e0378677a510c495c14d4.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2260
- C:\Users\Admin\AppData\Local\Temp\27733d66f3b13fa92894131a54aae60376205a0c0d4e0378677a510c495c14d4.exe
  "C:\Users\Admin\AppData\Local\Temp\27733d66f3b13fa92894131a54aae60376205a0c0d4e0378677a510c495c14d4.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2812
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\FBPVN.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2608
  - - 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:584
- - 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:1816
  - - 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:2956
  - - 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:2220

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\FBPVN.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
300KB

MD5
9723abe1f734a3cdad315c6e0293fbb7

SHA1
f3a18e7a31e15bb42f10e251d5acedd068273987

SHA256
e532dc9f1310d4360aeedd48a2cf0cc750ace6c40c4e5eb621ad8bd3c65517f9

SHA512
3d976516a8b1b9b87b122f82f1ed70790e603d63411206484756bee5df47aa551cb1dde94e656b753e6f0eea89a85a4e4df2e7fa4f5bf574a6ee04f409295b17

Download Submit
memory/1816-171-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/1816-159-0x00000000001E0000-0x00000000001E1000-memory.dmp

Filesize
4KB

Download
memory/1816-149-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/2220-253-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2220-243-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2260-82-0x00000000003E0000-0x00000000003E2000-memory.dmp

Filesize
8KB

Download
memory/2260-0-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2260-69-0x0000000000330000-0x0000000000331000-memory.dmp

Filesize
4KB

Download
memory/2260-59-0x0000000000310000-0x0000000000311000-memory.dmp

Filesize
4KB

Download
memory/2260-39-0x0000000000290000-0x0000000000291000-memory.dmp

Filesize
4KB

Download
memory/2260-3-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2260-79-0x00000000003D0000-0x00000000003D2000-memory.dmp

Filesize
8KB

Download
memory/2260-15-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/2260-5-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2260-27-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/2260-90-0x0000000000870000-0x0000000000872000-memory.dmp

Filesize
8KB

Download
memory/2260-85-0x00000000003F0000-0x00000000003F2000-memory.dmp

Filesize
8KB

Download
memory/2812-97-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2812-103-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2812-104-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2812-102-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2812-101-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2812-91-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2812-93-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2812-228-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2812-95-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2812-246-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2812-99-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2956-250-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads