modiloader | 8015734775f9ccd1f7789208214c0da891524d919032d78434921be1096b2f3f

Analysis

max time kernel
120s
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
27/11/2024, 12:59

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General

Target

8015734775f9ccd1f7789208214c0da891524d919032d78434921be1096b2f3fN.exe
Size

90KB
MD5

c57ef165286d088f8ebe75446b221a60
SHA1

eb76b8f002c8c93a93d7f8278b4ede6451608cf7
SHA256

8015734775f9ccd1f7789208214c0da891524d919032d78434921be1096b2f3f
SHA512

14d489f193c6484765f5cfb5897f826580f3b6daf7b01ce3cfdd947468b263ced71766ec761fce6e85076debbe83b543de71581810afbf160053e37dfea589da
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/4456-56-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4456-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4456-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4456-63-0x0000000000400000-0x0000000000414000-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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	8015734775f9ccd1f7789208214c0da891524d919032d78434921be1096b2f3fN.exe

Executes dropped EXE 3 IoCs

pid	Process
116	csrsll.exe
1028	csrsll.exe
4456	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-1-5-21-2878641211-696417878-3864914810-1000\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 4304 set thread context of 2556	4304	8015734775f9ccd1f7789208214c0da891524d919032d78434921be1096b2f3fN.exe	93
PID 116 set thread context of 1028	116	csrsll.exe	103
PID 116 set thread context of 4456	116	csrsll.exe	104

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4304-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4304-4-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2556-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2556-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4304-11-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2556-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000b000000023b61-29.dat	upx
behavioral2/memory/116-36-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2556-40-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/116-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/116-42-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4456-49-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4456-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4456-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4456-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/116-58-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4456-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2556-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1028-62-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4456-63-0x0000000000400000-0x0000000000414000-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	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	8015734775f9ccd1f7789208214c0da891524d919032d78434921be1096b2f3fN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8015734775f9ccd1f7789208214c0da891524d919032d78434921be1096b2f3fN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe
Token: SeDebugPrivilege	1028	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4304	8015734775f9ccd1f7789208214c0da891524d919032d78434921be1096b2f3fN.exe
2556	8015734775f9ccd1f7789208214c0da891524d919032d78434921be1096b2f3fN.exe
116	csrsll.exe
1028	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 4304 wrote to memory of 2556	4304	8015734775f9ccd1f7789208214c0da891524d919032d78434921be1096b2f3fN.exe	93
PID 4304 wrote to memory of 2556	4304	8015734775f9ccd1f7789208214c0da891524d919032d78434921be1096b2f3fN.exe	93
PID 4304 wrote to memory of 2556	4304	8015734775f9ccd1f7789208214c0da891524d919032d78434921be1096b2f3fN.exe	93
PID 4304 wrote to memory of 2556	4304	8015734775f9ccd1f7789208214c0da891524d919032d78434921be1096b2f3fN.exe	93
PID 4304 wrote to memory of 2556	4304	8015734775f9ccd1f7789208214c0da891524d919032d78434921be1096b2f3fN.exe	93
PID 4304 wrote to memory of 2556	4304	8015734775f9ccd1f7789208214c0da891524d919032d78434921be1096b2f3fN.exe	93
PID 4304 wrote to memory of 2556	4304	8015734775f9ccd1f7789208214c0da891524d919032d78434921be1096b2f3fN.exe	93
PID 4304 wrote to memory of 2556	4304	8015734775f9ccd1f7789208214c0da891524d919032d78434921be1096b2f3fN.exe	93
PID 2556 wrote to memory of 1728	2556	8015734775f9ccd1f7789208214c0da891524d919032d78434921be1096b2f3fN.exe	94
PID 2556 wrote to memory of 1728	2556	8015734775f9ccd1f7789208214c0da891524d919032d78434921be1096b2f3fN.exe	94
PID 2556 wrote to memory of 1728	2556	8015734775f9ccd1f7789208214c0da891524d919032d78434921be1096b2f3fN.exe	94
PID 1728 wrote to memory of 2060	1728	cmd.exe	98
PID 1728 wrote to memory of 2060	1728	cmd.exe	98
PID 1728 wrote to memory of 2060	1728	cmd.exe	98
PID 2556 wrote to memory of 116	2556	8015734775f9ccd1f7789208214c0da891524d919032d78434921be1096b2f3fN.exe	99
PID 2556 wrote to memory of 116	2556	8015734775f9ccd1f7789208214c0da891524d919032d78434921be1096b2f3fN.exe	99
PID 2556 wrote to memory of 116	2556	8015734775f9ccd1f7789208214c0da891524d919032d78434921be1096b2f3fN.exe	99
PID 116 wrote to memory of 1028	116	csrsll.exe	103
PID 116 wrote to memory of 1028	116	csrsll.exe	103
PID 116 wrote to memory of 1028	116	csrsll.exe	103
PID 116 wrote to memory of 1028	116	csrsll.exe	103
PID 116 wrote to memory of 1028	116	csrsll.exe	103
PID 116 wrote to memory of 1028	116	csrsll.exe	103
PID 116 wrote to memory of 1028	116	csrsll.exe	103
PID 116 wrote to memory of 1028	116	csrsll.exe	103
PID 116 wrote to memory of 4456	116	csrsll.exe	104
PID 116 wrote to memory of 4456	116	csrsll.exe	104
PID 116 wrote to memory of 4456	116	csrsll.exe	104
PID 116 wrote to memory of 4456	116	csrsll.exe	104
PID 116 wrote to memory of 4456	116	csrsll.exe	104
PID 116 wrote to memory of 4456	116	csrsll.exe	104
PID 116 wrote to memory of 4456	116	csrsll.exe	104
PID 116 wrote to memory of 4456	116	csrsll.exe	104

C:\Users\Admin\AppData\Local\Temp\8015734775f9ccd1f7789208214c0da891524d919032d78434921be1096b2f3fN.exe
"C:\Users\Admin\AppData\Local\Temp\8015734775f9ccd1f7789208214c0da891524d919032d78434921be1096b2f3fN.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4304
- C:\Users\Admin\AppData\Local\Temp\8015734775f9ccd1f7789208214c0da891524d919032d78434921be1096b2f3fN.exe
  "C:\Users\Admin\AppData\Local\Temp\8015734775f9ccd1f7789208214c0da891524d919032d78434921be1096b2f3fN.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2556
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\GEIDL.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1728
  - - 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:2060
- - 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:116
  - - 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:1028
  - - 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:4456

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\GEIDL.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
500e9d0383ee7384408e1123f8e3fefd

SHA1
b93173e277d2e09d2255ed2993d56450bfa3199f

SHA256
740add1dcf3e9cac91159047fb7e60187184a054fbe629f8ee18bb386fa2e390

SHA512
a6b5020932631104d1676501dc2ed7a6ffe3d94e7c50bb4279d2e22df9f71192e87ea8b72d40fb0060c3a88482470adb5f0360c74f851349dbe35b320dc2a15d

Download Submit
memory/116-58-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/116-42-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/116-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/116-36-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1028-62-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2556-40-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2556-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2556-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2556-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2556-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2556-59-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/4304-4-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4304-11-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4304-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4304-6-0x0000000002340000-0x0000000002342000-memory.dmp

Filesize
8KB

Download
memory/4304-5-0x0000000002330000-0x0000000002332000-memory.dmp

Filesize
8KB

Download
memory/4304-3-0x0000000002310000-0x0000000002312000-memory.dmp

Filesize
8KB

Download
memory/4456-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4456-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4456-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4456-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4456-49-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4456-63-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads