modiloader | 0868fbc77871270508cdb395d19440b69907e5bd9f7e4bfdabe93b31adc8588a

Analysis

max time kernel
119s
max time network
116s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
17/09/2024, 22:02

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

0868fbc77871270508cdb395d19440b69907e5bd9f7e4bfdabe93b31adc8588aN.exe
Size

308KB
MD5

61bae7e633d9a6177738a1c2f4106990
SHA1

e898a7ed5273a147efbadcbe32619c35c823f3f1
SHA256

0868fbc77871270508cdb395d19440b69907e5bd9f7e4bfdabe93b31adc8588a
SHA512

1c284247bed3e27efe7b34bc1dda93e8f37a750e1a6756451b381e7602469405211019ea1876354a506fdec71c6735f505a6c2983e263527a26fe39a03be58ce
SSDEEP

3072:/c3sBG7mXh7m/zZM3jAbNOM6CNtDCZFL:E3sBz0Z4Mj72F

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 Second Stage 4 IoCs

resource	yara_rule
behavioral2/memory/4876-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4876-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4876-56-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4876-58-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation	0868fbc77871270508cdb395d19440b69907e5bd9f7e4bfdabe93b31adc8588aN.exe

Executes dropped EXE 3 IoCs

pid	Process
1064	csrsll.exe
4496	csrsll.exe
4876	csrsll.exe

UPX packed file 11 IoCs

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

upx

resource	yara_rule
behavioral2/memory/708-5-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/708-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/708-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4876-50-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/708-53-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4876-48-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4876-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4876-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4876-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4496-57-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4876-58-0x0000000000400000-0x0000000000414000-memory.dmp	upx

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-1-5-21-1194130065-3471212556-1656947724-1000\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 4988 set thread context of 708	4988	0868fbc77871270508cdb395d19440b69907e5bd9f7e4bfdabe93b31adc8588aN.exe	82
PID 1064 set thread context of 4496	1064	csrsll.exe	90
PID 1064 set thread context of 4876	1064	csrsll.exe	91

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	0868fbc77871270508cdb395d19440b69907e5bd9f7e4bfdabe93b31adc8588aN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0868fbc77871270508cdb395d19440b69907e5bd9f7e4bfdabe93b31adc8588aN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	4496	csrsll.exe
Token: SeDebugPrivilege	4496	csrsll.exe
Token: SeDebugPrivilege	4496	csrsll.exe
Token: SeDebugPrivilege	4496	csrsll.exe
Token: SeDebugPrivilege	4496	csrsll.exe
Token: SeDebugPrivilege	4496	csrsll.exe
Token: SeDebugPrivilege	4496	csrsll.exe
Token: SeDebugPrivilege	4496	csrsll.exe
Token: SeDebugPrivilege	4496	csrsll.exe
Token: SeDebugPrivilege	4496	csrsll.exe
Token: SeDebugPrivilege	4496	csrsll.exe
Token: SeDebugPrivilege	4496	csrsll.exe
Token: SeDebugPrivilege	4496	csrsll.exe
Token: SeDebugPrivilege	4496	csrsll.exe
Token: SeDebugPrivilege	4496	csrsll.exe
Token: SeDebugPrivilege	4496	csrsll.exe
Token: SeDebugPrivilege	4496	csrsll.exe
Token: SeDebugPrivilege	4496	csrsll.exe
Token: SeDebugPrivilege	4496	csrsll.exe
Token: SeDebugPrivilege	4496	csrsll.exe
Token: SeDebugPrivilege	4496	csrsll.exe
Token: SeDebugPrivilege	4496	csrsll.exe
Token: SeDebugPrivilege	4496	csrsll.exe
Token: SeDebugPrivilege	4496	csrsll.exe
Token: SeDebugPrivilege	4496	csrsll.exe
Token: SeDebugPrivilege	4496	csrsll.exe
Token: SeDebugPrivilege	4496	csrsll.exe
Token: SeDebugPrivilege	4496	csrsll.exe
Token: SeDebugPrivilege	4496	csrsll.exe
Token: SeDebugPrivilege	4496	csrsll.exe
Token: SeDebugPrivilege	4496	csrsll.exe
Token: SeDebugPrivilege	4496	csrsll.exe
Token: SeDebugPrivilege	4496	csrsll.exe
Token: SeDebugPrivilege	4496	csrsll.exe
Token: SeDebugPrivilege	4496	csrsll.exe
Token: SeDebugPrivilege	4496	csrsll.exe
Token: SeDebugPrivilege	4496	csrsll.exe
Token: SeDebugPrivilege	4496	csrsll.exe
Token: SeDebugPrivilege	4496	csrsll.exe
Token: SeDebugPrivilege	4496	csrsll.exe
Token: SeDebugPrivilege	4496	csrsll.exe
Token: SeDebugPrivilege	4496	csrsll.exe
Token: SeDebugPrivilege	4496	csrsll.exe
Token: SeDebugPrivilege	4496	csrsll.exe
Token: SeDebugPrivilege	4496	csrsll.exe
Token: SeDebugPrivilege	4496	csrsll.exe
Token: SeDebugPrivilege	4496	csrsll.exe
Token: SeDebugPrivilege	4496	csrsll.exe
Token: SeDebugPrivilege	4496	csrsll.exe
Token: SeDebugPrivilege	4496	csrsll.exe
Token: SeDebugPrivilege	4496	csrsll.exe
Token: SeDebugPrivilege	4496	csrsll.exe
Token: SeDebugPrivilege	4496	csrsll.exe
Token: SeDebugPrivilege	4496	csrsll.exe
Token: SeDebugPrivilege	4496	csrsll.exe
Token: SeDebugPrivilege	4496	csrsll.exe
Token: SeDebugPrivilege	4496	csrsll.exe
Token: SeDebugPrivilege	4496	csrsll.exe
Token: SeDebugPrivilege	4496	csrsll.exe
Token: SeDebugPrivilege	4496	csrsll.exe
Token: SeDebugPrivilege	4496	csrsll.exe
Token: SeDebugPrivilege	4496	csrsll.exe
Token: SeDebugPrivilege	4496	csrsll.exe
Token: SeDebugPrivilege	4496	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4988	0868fbc77871270508cdb395d19440b69907e5bd9f7e4bfdabe93b31adc8588aN.exe
708	0868fbc77871270508cdb395d19440b69907e5bd9f7e4bfdabe93b31adc8588aN.exe
1064	csrsll.exe
4496	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 4988 wrote to memory of 708	4988	0868fbc77871270508cdb395d19440b69907e5bd9f7e4bfdabe93b31adc8588aN.exe	82
PID 4988 wrote to memory of 708	4988	0868fbc77871270508cdb395d19440b69907e5bd9f7e4bfdabe93b31adc8588aN.exe	82
PID 4988 wrote to memory of 708	4988	0868fbc77871270508cdb395d19440b69907e5bd9f7e4bfdabe93b31adc8588aN.exe	82
PID 4988 wrote to memory of 708	4988	0868fbc77871270508cdb395d19440b69907e5bd9f7e4bfdabe93b31adc8588aN.exe	82
PID 4988 wrote to memory of 708	4988	0868fbc77871270508cdb395d19440b69907e5bd9f7e4bfdabe93b31adc8588aN.exe	82
PID 4988 wrote to memory of 708	4988	0868fbc77871270508cdb395d19440b69907e5bd9f7e4bfdabe93b31adc8588aN.exe	82
PID 4988 wrote to memory of 708	4988	0868fbc77871270508cdb395d19440b69907e5bd9f7e4bfdabe93b31adc8588aN.exe	82
PID 4988 wrote to memory of 708	4988	0868fbc77871270508cdb395d19440b69907e5bd9f7e4bfdabe93b31adc8588aN.exe	82
PID 708 wrote to memory of 2292	708	0868fbc77871270508cdb395d19440b69907e5bd9f7e4bfdabe93b31adc8588aN.exe	83
PID 708 wrote to memory of 2292	708	0868fbc77871270508cdb395d19440b69907e5bd9f7e4bfdabe93b31adc8588aN.exe	83
PID 708 wrote to memory of 2292	708	0868fbc77871270508cdb395d19440b69907e5bd9f7e4bfdabe93b31adc8588aN.exe	83
PID 2292 wrote to memory of 3896	2292	cmd.exe	86
PID 2292 wrote to memory of 3896	2292	cmd.exe	86
PID 2292 wrote to memory of 3896	2292	cmd.exe	86
PID 708 wrote to memory of 1064	708	0868fbc77871270508cdb395d19440b69907e5bd9f7e4bfdabe93b31adc8588aN.exe	87
PID 708 wrote to memory of 1064	708	0868fbc77871270508cdb395d19440b69907e5bd9f7e4bfdabe93b31adc8588aN.exe	87
PID 708 wrote to memory of 1064	708	0868fbc77871270508cdb395d19440b69907e5bd9f7e4bfdabe93b31adc8588aN.exe	87
PID 1064 wrote to memory of 4496	1064	csrsll.exe	90
PID 1064 wrote to memory of 4496	1064	csrsll.exe	90
PID 1064 wrote to memory of 4496	1064	csrsll.exe	90
PID 1064 wrote to memory of 4496	1064	csrsll.exe	90
PID 1064 wrote to memory of 4496	1064	csrsll.exe	90
PID 1064 wrote to memory of 4496	1064	csrsll.exe	90
PID 1064 wrote to memory of 4496	1064	csrsll.exe	90
PID 1064 wrote to memory of 4496	1064	csrsll.exe	90
PID 1064 wrote to memory of 4876	1064	csrsll.exe	91
PID 1064 wrote to memory of 4876	1064	csrsll.exe	91
PID 1064 wrote to memory of 4876	1064	csrsll.exe	91
PID 1064 wrote to memory of 4876	1064	csrsll.exe	91
PID 1064 wrote to memory of 4876	1064	csrsll.exe	91
PID 1064 wrote to memory of 4876	1064	csrsll.exe	91
PID 1064 wrote to memory of 4876	1064	csrsll.exe	91
PID 1064 wrote to memory of 4876	1064	csrsll.exe	91

C:\Users\Admin\AppData\Local\Temp\0868fbc77871270508cdb395d19440b69907e5bd9f7e4bfdabe93b31adc8588aN.exe
"C:\Users\Admin\AppData\Local\Temp\0868fbc77871270508cdb395d19440b69907e5bd9f7e4bfdabe93b31adc8588aN.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4988
- C:\Users\Admin\AppData\Local\Temp\0868fbc77871270508cdb395d19440b69907e5bd9f7e4bfdabe93b31adc8588aN.exe
  "C:\Users\Admin\AppData\Local\Temp\0868fbc77871270508cdb395d19440b69907e5bd9f7e4bfdabe93b31adc8588aN.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:708
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\PCGCQ.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2292
  - - 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:3896
- - 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:1064
  - - 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:4496
  - - 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:4876

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

Query Registry

T1012

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\PCGCQ.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
308KB

MD5
3ad3e8843806467a186b9ccaf253be19

SHA1
4eab40d6804e38b0c5b63bdbc566fe2e3e5bbde2

SHA256
a6361c2a12435d746039b53e97928e89d26cc8728c3acd4106195052013b6f1c

SHA512
41b15e26a5e5ebb217ba8c2423b8137fcf996b25a72eb317ffb05769d103a5e3e8b766453a8b0f5f2ea9d4e65aa2bb34a62c0b224cc523db4213dcbabf6924e9

Download Submit
memory/708-53-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/708-5-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/708-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/708-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1064-37-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1064-33-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1064-36-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1064-47-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4496-57-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4876-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4876-58-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4876-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4876-48-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4876-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4876-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4988-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4988-3-0x0000000002420000-0x0000000002421000-memory.dmp

Filesize
4KB

Download
memory/4988-4-0x0000000002440000-0x0000000002441000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads