modiloader | 6a757ee69aea09fa025ae7416c6211b68a92154450a852b07af7b851cca0c0e9

Analysis

max time kernel
119s
max time network
122s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
09-11-2024 05:13

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General

Target

6a757ee69aea09fa025ae7416c6211b68a92154450a852b07af7b851cca0c0e9N.exe
Size

90KB
MD5

9ac530a7f82e3437234c1895fad99190
SHA1

c01f56b0ca3fceaba4a94938ada318d070420bb2
SHA256

6a757ee69aea09fa025ae7416c6211b68a92154450a852b07af7b851cca0c0e9
SHA512

48be79d549b7f4d0bf2790d09e578f2b237b5728b33181f70426b76981bd156647ae189a26af38ac1cabaec2e4f919acbf2ce69b7a4b5924005b609e28641925
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/464-57-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/464-58-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/464-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/464-63-0x0000000000400000-0x0000000000414000-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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	6a757ee69aea09fa025ae7416c6211b68a92154450a852b07af7b851cca0c0e9N.exe

Executes dropped EXE 3 IoCs

pid	Process
5040	csrsll.exe
1068	csrsll.exe
464	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-1-5-21-3350944739-639801879-157714471-1000\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 116 set thread context of 3360	116	6a757ee69aea09fa025ae7416c6211b68a92154450a852b07af7b851cca0c0e9N.exe	95
PID 5040 set thread context of 1068	5040	csrsll.exe	105
PID 5040 set thread context of 464	5040	csrsll.exe	106

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral2/memory/116-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/116-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3360-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3360-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/116-11-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3360-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000f000000023b58-29.dat	upx
behavioral2/memory/5040-36-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3360-40-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/5040-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/5040-42-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/464-46-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/464-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/5040-56-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/464-57-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/464-58-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/464-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3360-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1068-62-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/464-63-0x0000000000400000-0x0000000000414000-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	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	6a757ee69aea09fa025ae7416c6211b68a92154450a852b07af7b851cca0c0e9N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6a757ee69aea09fa025ae7416c6211b68a92154450a852b07af7b851cca0c0e9N.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe
Token: SeDebugPrivilege	1068	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
116	6a757ee69aea09fa025ae7416c6211b68a92154450a852b07af7b851cca0c0e9N.exe
3360	6a757ee69aea09fa025ae7416c6211b68a92154450a852b07af7b851cca0c0e9N.exe
5040	csrsll.exe
1068	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 116 wrote to memory of 3360	116	6a757ee69aea09fa025ae7416c6211b68a92154450a852b07af7b851cca0c0e9N.exe	95
PID 116 wrote to memory of 3360	116	6a757ee69aea09fa025ae7416c6211b68a92154450a852b07af7b851cca0c0e9N.exe	95
PID 116 wrote to memory of 3360	116	6a757ee69aea09fa025ae7416c6211b68a92154450a852b07af7b851cca0c0e9N.exe	95
PID 116 wrote to memory of 3360	116	6a757ee69aea09fa025ae7416c6211b68a92154450a852b07af7b851cca0c0e9N.exe	95
PID 116 wrote to memory of 3360	116	6a757ee69aea09fa025ae7416c6211b68a92154450a852b07af7b851cca0c0e9N.exe	95
PID 116 wrote to memory of 3360	116	6a757ee69aea09fa025ae7416c6211b68a92154450a852b07af7b851cca0c0e9N.exe	95
PID 116 wrote to memory of 3360	116	6a757ee69aea09fa025ae7416c6211b68a92154450a852b07af7b851cca0c0e9N.exe	95
PID 116 wrote to memory of 3360	116	6a757ee69aea09fa025ae7416c6211b68a92154450a852b07af7b851cca0c0e9N.exe	95
PID 3360 wrote to memory of 2396	3360	6a757ee69aea09fa025ae7416c6211b68a92154450a852b07af7b851cca0c0e9N.exe	96
PID 3360 wrote to memory of 2396	3360	6a757ee69aea09fa025ae7416c6211b68a92154450a852b07af7b851cca0c0e9N.exe	96
PID 3360 wrote to memory of 2396	3360	6a757ee69aea09fa025ae7416c6211b68a92154450a852b07af7b851cca0c0e9N.exe	96
PID 2396 wrote to memory of 2720	2396	cmd.exe	100
PID 2396 wrote to memory of 2720	2396	cmd.exe	100
PID 2396 wrote to memory of 2720	2396	cmd.exe	100
PID 3360 wrote to memory of 5040	3360	6a757ee69aea09fa025ae7416c6211b68a92154450a852b07af7b851cca0c0e9N.exe	101
PID 3360 wrote to memory of 5040	3360	6a757ee69aea09fa025ae7416c6211b68a92154450a852b07af7b851cca0c0e9N.exe	101
PID 3360 wrote to memory of 5040	3360	6a757ee69aea09fa025ae7416c6211b68a92154450a852b07af7b851cca0c0e9N.exe	101
PID 5040 wrote to memory of 1068	5040	csrsll.exe	105
PID 5040 wrote to memory of 1068	5040	csrsll.exe	105
PID 5040 wrote to memory of 1068	5040	csrsll.exe	105
PID 5040 wrote to memory of 1068	5040	csrsll.exe	105
PID 5040 wrote to memory of 1068	5040	csrsll.exe	105
PID 5040 wrote to memory of 1068	5040	csrsll.exe	105
PID 5040 wrote to memory of 1068	5040	csrsll.exe	105
PID 5040 wrote to memory of 1068	5040	csrsll.exe	105
PID 5040 wrote to memory of 464	5040	csrsll.exe	106
PID 5040 wrote to memory of 464	5040	csrsll.exe	106
PID 5040 wrote to memory of 464	5040	csrsll.exe	106
PID 5040 wrote to memory of 464	5040	csrsll.exe	106
PID 5040 wrote to memory of 464	5040	csrsll.exe	106
PID 5040 wrote to memory of 464	5040	csrsll.exe	106
PID 5040 wrote to memory of 464	5040	csrsll.exe	106
PID 5040 wrote to memory of 464	5040	csrsll.exe	106

C:\Users\Admin\AppData\Local\Temp\6a757ee69aea09fa025ae7416c6211b68a92154450a852b07af7b851cca0c0e9N.exe
"C:\Users\Admin\AppData\Local\Temp\6a757ee69aea09fa025ae7416c6211b68a92154450a852b07af7b851cca0c0e9N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:116
- C:\Users\Admin\AppData\Local\Temp\6a757ee69aea09fa025ae7416c6211b68a92154450a852b07af7b851cca0c0e9N.exe
  "C:\Users\Admin\AppData\Local\Temp\6a757ee69aea09fa025ae7416c6211b68a92154450a852b07af7b851cca0c0e9N.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3360
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\CRSPY.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2396
  - - 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:2720
- - 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:5040
  - - 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:1068
  - - 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:464

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\CRSPY.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
9f383992ab34ef73cbc780b208b0ed83

SHA1
53fd88d30ee7b88aff39fdb18eee019adf8c888a

SHA256
d4ce0beb7b13de525e83005f65cc310c243b64589460aff7fbf5d92775f56da9

SHA512
f6335362fa223801bc22aa21b9b50a4a5bfe7804f68d6ef4f3564eedb1aa0780e784d393b6c0f4f6ef1020878abbc2e6058aa42400539105b90a8daf2b01dc3e

Download Submit
memory/116-6-0x0000000002A80000-0x0000000002A82000-memory.dmp

Filesize
8KB

Download
memory/116-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/116-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/116-11-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/116-4-0x0000000002A60000-0x0000000002A62000-memory.dmp

Filesize
8KB

Download
memory/116-3-0x0000000002A40000-0x0000000002A42000-memory.dmp

Filesize
8KB

Download
memory/464-46-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/464-63-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/464-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/464-58-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/464-57-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/464-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1068-62-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3360-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3360-40-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3360-59-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/3360-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3360-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3360-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/5040-42-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/5040-56-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/5040-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/5040-36-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads