modiloader | 690bc54d5af827af4e215c2cab34fe3eaf8cdfb4d80e70b00be261fd28f744e9

Analysis

max time kernel
119s
max time network
120s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
22-01-2025 17:19

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General

Target

690bc54d5af827af4e215c2cab34fe3eaf8cdfb4d80e70b00be261fd28f744e9N.exe
Size

90KB
MD5

46045077f9a17dd82f618f1af43531a0
SHA1

a86dc1da7c5f4782c744f982eb29ea5c420a1e3d
SHA256

690bc54d5af827af4e215c2cab34fe3eaf8cdfb4d80e70b00be261fd28f744e9
SHA512

ea9fcb8f784013062907825cf5cc062be7c031695788b115f829f32d18437d2fec9ca578f46b258e72665af08d27df99b8fbdb3fb8c84ef4b17df9205f435766
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 4 IoCs

resource	yara_rule
behavioral2/memory/180-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/180-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/180-57-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/180-63-0x0000000000400000-0x0000000000414000-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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	690bc54d5af827af4e215c2cab34fe3eaf8cdfb4d80e70b00be261fd28f744e9N.exe

Executes dropped EXE 3 IoCs

pid	Process
1604	csrsll.exe
4248	csrsll.exe
180	csrsll.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-1-5-21-4089630652-1596403869-279772308-1000\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 860 set thread context of 1976	860	690bc54d5af827af4e215c2cab34fe3eaf8cdfb4d80e70b00be261fd28f744e9N.exe	82
PID 1604 set thread context of 4248	1604	csrsll.exe	93
PID 1604 set thread context of 180	1604	csrsll.exe	94

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral2/memory/860-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/860-4-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1976-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1976-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/860-11-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1976-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0008000000023c95-29.dat	upx
behavioral2/memory/1604-36-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1976-40-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1604-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/180-47-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/180-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/180-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/180-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1604-42-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1604-59-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/180-57-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1976-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4248-62-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/180-63-0x0000000000400000-0x0000000000414000-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	690bc54d5af827af4e215c2cab34fe3eaf8cdfb4d80e70b00be261fd28f744e9N.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	690bc54d5af827af4e215c2cab34fe3eaf8cdfb4d80e70b00be261fd28f744e9N.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	4248	csrsll.exe
Token: SeDebugPrivilege	4248	csrsll.exe
Token: SeDebugPrivilege	4248	csrsll.exe
Token: SeDebugPrivilege	4248	csrsll.exe
Token: SeDebugPrivilege	4248	csrsll.exe
Token: SeDebugPrivilege	4248	csrsll.exe
Token: SeDebugPrivilege	4248	csrsll.exe
Token: SeDebugPrivilege	4248	csrsll.exe
Token: SeDebugPrivilege	4248	csrsll.exe
Token: SeDebugPrivilege	4248	csrsll.exe
Token: SeDebugPrivilege	4248	csrsll.exe
Token: SeDebugPrivilege	4248	csrsll.exe
Token: SeDebugPrivilege	4248	csrsll.exe
Token: SeDebugPrivilege	4248	csrsll.exe
Token: SeDebugPrivilege	4248	csrsll.exe
Token: SeDebugPrivilege	4248	csrsll.exe
Token: SeDebugPrivilege	4248	csrsll.exe
Token: SeDebugPrivilege	4248	csrsll.exe
Token: SeDebugPrivilege	4248	csrsll.exe
Token: SeDebugPrivilege	4248	csrsll.exe
Token: SeDebugPrivilege	4248	csrsll.exe
Token: SeDebugPrivilege	4248	csrsll.exe
Token: SeDebugPrivilege	4248	csrsll.exe
Token: SeDebugPrivilege	4248	csrsll.exe
Token: SeDebugPrivilege	4248	csrsll.exe
Token: SeDebugPrivilege	4248	csrsll.exe
Token: SeDebugPrivilege	4248	csrsll.exe
Token: SeDebugPrivilege	4248	csrsll.exe
Token: SeDebugPrivilege	4248	csrsll.exe
Token: SeDebugPrivilege	4248	csrsll.exe
Token: SeDebugPrivilege	4248	csrsll.exe
Token: SeDebugPrivilege	4248	csrsll.exe
Token: SeDebugPrivilege	4248	csrsll.exe
Token: SeDebugPrivilege	4248	csrsll.exe
Token: SeDebugPrivilege	4248	csrsll.exe
Token: SeDebugPrivilege	4248	csrsll.exe
Token: SeDebugPrivilege	4248	csrsll.exe
Token: SeDebugPrivilege	4248	csrsll.exe
Token: SeDebugPrivilege	4248	csrsll.exe
Token: SeDebugPrivilege	4248	csrsll.exe
Token: SeDebugPrivilege	4248	csrsll.exe
Token: SeDebugPrivilege	4248	csrsll.exe
Token: SeDebugPrivilege	4248	csrsll.exe
Token: SeDebugPrivilege	4248	csrsll.exe
Token: SeDebugPrivilege	4248	csrsll.exe
Token: SeDebugPrivilege	4248	csrsll.exe
Token: SeDebugPrivilege	4248	csrsll.exe
Token: SeDebugPrivilege	4248	csrsll.exe
Token: SeDebugPrivilege	4248	csrsll.exe
Token: SeDebugPrivilege	4248	csrsll.exe
Token: SeDebugPrivilege	4248	csrsll.exe
Token: SeDebugPrivilege	4248	csrsll.exe
Token: SeDebugPrivilege	4248	csrsll.exe
Token: SeDebugPrivilege	4248	csrsll.exe
Token: SeDebugPrivilege	4248	csrsll.exe
Token: SeDebugPrivilege	4248	csrsll.exe
Token: SeDebugPrivilege	4248	csrsll.exe
Token: SeDebugPrivilege	4248	csrsll.exe
Token: SeDebugPrivilege	4248	csrsll.exe
Token: SeDebugPrivilege	4248	csrsll.exe
Token: SeDebugPrivilege	4248	csrsll.exe
Token: SeDebugPrivilege	4248	csrsll.exe
Token: SeDebugPrivilege	4248	csrsll.exe
Token: SeDebugPrivilege	4248	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
860	690bc54d5af827af4e215c2cab34fe3eaf8cdfb4d80e70b00be261fd28f744e9N.exe
1976	690bc54d5af827af4e215c2cab34fe3eaf8cdfb4d80e70b00be261fd28f744e9N.exe
1604	csrsll.exe
4248	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 860 wrote to memory of 1976	860	690bc54d5af827af4e215c2cab34fe3eaf8cdfb4d80e70b00be261fd28f744e9N.exe	82
PID 860 wrote to memory of 1976	860	690bc54d5af827af4e215c2cab34fe3eaf8cdfb4d80e70b00be261fd28f744e9N.exe	82
PID 860 wrote to memory of 1976	860	690bc54d5af827af4e215c2cab34fe3eaf8cdfb4d80e70b00be261fd28f744e9N.exe	82
PID 860 wrote to memory of 1976	860	690bc54d5af827af4e215c2cab34fe3eaf8cdfb4d80e70b00be261fd28f744e9N.exe	82
PID 860 wrote to memory of 1976	860	690bc54d5af827af4e215c2cab34fe3eaf8cdfb4d80e70b00be261fd28f744e9N.exe	82
PID 860 wrote to memory of 1976	860	690bc54d5af827af4e215c2cab34fe3eaf8cdfb4d80e70b00be261fd28f744e9N.exe	82
PID 860 wrote to memory of 1976	860	690bc54d5af827af4e215c2cab34fe3eaf8cdfb4d80e70b00be261fd28f744e9N.exe	82
PID 860 wrote to memory of 1976	860	690bc54d5af827af4e215c2cab34fe3eaf8cdfb4d80e70b00be261fd28f744e9N.exe	82
PID 1976 wrote to memory of 3928	1976	690bc54d5af827af4e215c2cab34fe3eaf8cdfb4d80e70b00be261fd28f744e9N.exe	83
PID 1976 wrote to memory of 3928	1976	690bc54d5af827af4e215c2cab34fe3eaf8cdfb4d80e70b00be261fd28f744e9N.exe	83
PID 1976 wrote to memory of 3928	1976	690bc54d5af827af4e215c2cab34fe3eaf8cdfb4d80e70b00be261fd28f744e9N.exe	83
PID 3928 wrote to memory of 896	3928	cmd.exe	86
PID 3928 wrote to memory of 896	3928	cmd.exe	86
PID 3928 wrote to memory of 896	3928	cmd.exe	86
PID 1976 wrote to memory of 1604	1976	690bc54d5af827af4e215c2cab34fe3eaf8cdfb4d80e70b00be261fd28f744e9N.exe	87
PID 1976 wrote to memory of 1604	1976	690bc54d5af827af4e215c2cab34fe3eaf8cdfb4d80e70b00be261fd28f744e9N.exe	87
PID 1976 wrote to memory of 1604	1976	690bc54d5af827af4e215c2cab34fe3eaf8cdfb4d80e70b00be261fd28f744e9N.exe	87
PID 1604 wrote to memory of 4248	1604	csrsll.exe	93
PID 1604 wrote to memory of 4248	1604	csrsll.exe	93
PID 1604 wrote to memory of 4248	1604	csrsll.exe	93
PID 1604 wrote to memory of 4248	1604	csrsll.exe	93
PID 1604 wrote to memory of 4248	1604	csrsll.exe	93
PID 1604 wrote to memory of 4248	1604	csrsll.exe	93
PID 1604 wrote to memory of 4248	1604	csrsll.exe	93
PID 1604 wrote to memory of 4248	1604	csrsll.exe	93
PID 1604 wrote to memory of 180	1604	csrsll.exe	94
PID 1604 wrote to memory of 180	1604	csrsll.exe	94
PID 1604 wrote to memory of 180	1604	csrsll.exe	94
PID 1604 wrote to memory of 180	1604	csrsll.exe	94
PID 1604 wrote to memory of 180	1604	csrsll.exe	94
PID 1604 wrote to memory of 180	1604	csrsll.exe	94
PID 1604 wrote to memory of 180	1604	csrsll.exe	94
PID 1604 wrote to memory of 180	1604	csrsll.exe	94

C:\Users\Admin\AppData\Local\Temp\690bc54d5af827af4e215c2cab34fe3eaf8cdfb4d80e70b00be261fd28f744e9N.exe
"C:\Users\Admin\AppData\Local\Temp\690bc54d5af827af4e215c2cab34fe3eaf8cdfb4d80e70b00be261fd28f744e9N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:860
- C:\Users\Admin\AppData\Local\Temp\690bc54d5af827af4e215c2cab34fe3eaf8cdfb4d80e70b00be261fd28f744e9N.exe
  "C:\Users\Admin\AppData\Local\Temp\690bc54d5af827af4e215c2cab34fe3eaf8cdfb4d80e70b00be261fd28f744e9N.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1976
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\HRPOS.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3928
  - - 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:896
- - 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:1604
  - - 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:4248
  - - 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:180

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\HRPOS.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
f408a0f4cbe25cdf71720d191cd1adc3

SHA1
e0b36355d1a2a79b8de67a81cad49f40c200636d

SHA256
bc10d89307a1d09650beb0d057de2c96cb036033a2589be912e89519131a8ee6

SHA512
cde1fa459ce4c0161329d67154bb4acf450d15bd0112392b58bea3cbe34c2bc61bf545b83c01ab60d66e7ca85545690bba9d6f54388086144ce52ddc3fa4801c

Download Submit
memory/180-57-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/180-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/180-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/180-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/180-47-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/180-63-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/860-5-0x0000000002310000-0x0000000002312000-memory.dmp

Filesize
8KB

Download
memory/860-11-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/860-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/860-6-0x0000000002320000-0x0000000002322000-memory.dmp

Filesize
8KB

Download
memory/860-4-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/860-3-0x00000000022E0000-0x00000000022E2000-memory.dmp

Filesize
8KB

Download
memory/1604-36-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1604-59-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1604-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1604-42-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1976-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1976-40-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1976-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1976-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1976-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4248-62-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads