modiloader | a209113c7cbca938abf88de8321d166f13d61b786e9f93d47a1344d05ead3da0

Analysis

max time kernel
119s
max time network
121s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
17-11-2024 19:15

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

a209113c7cbca938abf88de8321d166f13d61b786e9f93d47a1344d05ead3da0N.exe
Size

90KB
MD5

ad7874cf56b97175eea1e27007b33530
SHA1

981b22b4a9514e5c390d0ac75f9ff3ea1ad38276
SHA256

a209113c7cbca938abf88de8321d166f13d61b786e9f93d47a1344d05ead3da0
SHA512

2c4ee42cc0cbac468f39da16a67d2e45411c07cc077bcb69426e1988185a23798c6d4ff788ebd1308e7ac9dafcec5ba48822b73b21416c2125083f7a2fdf9944
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/2116-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2116-57-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2116-56-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2116-64-0x0000000000400000-0x0000000000414000-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-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	a209113c7cbca938abf88de8321d166f13d61b786e9f93d47a1344d05ead3da0N.exe

Executes dropped EXE 3 IoCs

pid	Process
3076	csrsll.exe
3852	csrsll.exe
2116	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-1-5-21-2045521122-590294423-3465680274-1000\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 228 set thread context of 2804	228	a209113c7cbca938abf88de8321d166f13d61b786e9f93d47a1344d05ead3da0N.exe	87
PID 3076 set thread context of 3852	3076	csrsll.exe	94
PID 3076 set thread context of 2116	3076	csrsll.exe	95

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral2/memory/228-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/228-4-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2804-10-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2804-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/228-13-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2804-14-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0003000000022a9f-30.dat	upx
behavioral2/memory/3076-38-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2804-41-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3076-42-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3076-43-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2116-46-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2116-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2116-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2116-57-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3076-59-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2116-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2804-62-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3852-63-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2116-64-0x0000000000400000-0x0000000000414000-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	a209113c7cbca938abf88de8321d166f13d61b786e9f93d47a1344d05ead3da0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a209113c7cbca938abf88de8321d166f13d61b786e9f93d47a1344d05ead3da0N.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

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	3852	csrsll.exe
Token: SeDebugPrivilege	3852	csrsll.exe
Token: SeDebugPrivilege	3852	csrsll.exe
Token: SeDebugPrivilege	3852	csrsll.exe
Token: SeDebugPrivilege	3852	csrsll.exe
Token: SeDebugPrivilege	3852	csrsll.exe
Token: SeDebugPrivilege	3852	csrsll.exe
Token: SeDebugPrivilege	3852	csrsll.exe
Token: SeDebugPrivilege	3852	csrsll.exe
Token: SeDebugPrivilege	3852	csrsll.exe
Token: SeDebugPrivilege	3852	csrsll.exe
Token: SeDebugPrivilege	3852	csrsll.exe
Token: SeDebugPrivilege	3852	csrsll.exe
Token: SeDebugPrivilege	3852	csrsll.exe
Token: SeDebugPrivilege	3852	csrsll.exe
Token: SeDebugPrivilege	3852	csrsll.exe
Token: SeDebugPrivilege	3852	csrsll.exe
Token: SeDebugPrivilege	3852	csrsll.exe
Token: SeDebugPrivilege	3852	csrsll.exe
Token: SeDebugPrivilege	3852	csrsll.exe
Token: SeDebugPrivilege	3852	csrsll.exe
Token: SeDebugPrivilege	3852	csrsll.exe
Token: SeDebugPrivilege	3852	csrsll.exe
Token: SeDebugPrivilege	3852	csrsll.exe
Token: SeDebugPrivilege	3852	csrsll.exe
Token: SeDebugPrivilege	3852	csrsll.exe
Token: SeDebugPrivilege	3852	csrsll.exe
Token: SeDebugPrivilege	3852	csrsll.exe
Token: SeDebugPrivilege	3852	csrsll.exe
Token: SeDebugPrivilege	3852	csrsll.exe
Token: SeDebugPrivilege	3852	csrsll.exe
Token: SeDebugPrivilege	3852	csrsll.exe
Token: SeDebugPrivilege	3852	csrsll.exe
Token: SeDebugPrivilege	3852	csrsll.exe
Token: SeDebugPrivilege	3852	csrsll.exe
Token: SeDebugPrivilege	3852	csrsll.exe
Token: SeDebugPrivilege	3852	csrsll.exe
Token: SeDebugPrivilege	3852	csrsll.exe
Token: SeDebugPrivilege	3852	csrsll.exe
Token: SeDebugPrivilege	3852	csrsll.exe
Token: SeDebugPrivilege	3852	csrsll.exe
Token: SeDebugPrivilege	3852	csrsll.exe
Token: SeDebugPrivilege	3852	csrsll.exe
Token: SeDebugPrivilege	3852	csrsll.exe
Token: SeDebugPrivilege	3852	csrsll.exe
Token: SeDebugPrivilege	3852	csrsll.exe
Token: SeDebugPrivilege	3852	csrsll.exe
Token: SeDebugPrivilege	3852	csrsll.exe
Token: SeDebugPrivilege	3852	csrsll.exe
Token: SeDebugPrivilege	3852	csrsll.exe
Token: SeDebugPrivilege	3852	csrsll.exe
Token: SeDebugPrivilege	3852	csrsll.exe
Token: SeDebugPrivilege	3852	csrsll.exe
Token: SeDebugPrivilege	3852	csrsll.exe
Token: SeDebugPrivilege	3852	csrsll.exe
Token: SeDebugPrivilege	3852	csrsll.exe
Token: SeDebugPrivilege	3852	csrsll.exe
Token: SeDebugPrivilege	3852	csrsll.exe
Token: SeDebugPrivilege	3852	csrsll.exe
Token: SeDebugPrivilege	3852	csrsll.exe
Token: SeDebugPrivilege	3852	csrsll.exe
Token: SeDebugPrivilege	3852	csrsll.exe
Token: SeDebugPrivilege	3852	csrsll.exe
Token: SeDebugPrivilege	3852	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
228	a209113c7cbca938abf88de8321d166f13d61b786e9f93d47a1344d05ead3da0N.exe
2804	a209113c7cbca938abf88de8321d166f13d61b786e9f93d47a1344d05ead3da0N.exe
3076	csrsll.exe
3852	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 228 wrote to memory of 2804	228	a209113c7cbca938abf88de8321d166f13d61b786e9f93d47a1344d05ead3da0N.exe	87
PID 228 wrote to memory of 2804	228	a209113c7cbca938abf88de8321d166f13d61b786e9f93d47a1344d05ead3da0N.exe	87
PID 228 wrote to memory of 2804	228	a209113c7cbca938abf88de8321d166f13d61b786e9f93d47a1344d05ead3da0N.exe	87
PID 228 wrote to memory of 2804	228	a209113c7cbca938abf88de8321d166f13d61b786e9f93d47a1344d05ead3da0N.exe	87
PID 228 wrote to memory of 2804	228	a209113c7cbca938abf88de8321d166f13d61b786e9f93d47a1344d05ead3da0N.exe	87
PID 228 wrote to memory of 2804	228	a209113c7cbca938abf88de8321d166f13d61b786e9f93d47a1344d05ead3da0N.exe	87
PID 228 wrote to memory of 2804	228	a209113c7cbca938abf88de8321d166f13d61b786e9f93d47a1344d05ead3da0N.exe	87
PID 228 wrote to memory of 2804	228	a209113c7cbca938abf88de8321d166f13d61b786e9f93d47a1344d05ead3da0N.exe	87
PID 2804 wrote to memory of 3088	2804	a209113c7cbca938abf88de8321d166f13d61b786e9f93d47a1344d05ead3da0N.exe	88
PID 2804 wrote to memory of 3088	2804	a209113c7cbca938abf88de8321d166f13d61b786e9f93d47a1344d05ead3da0N.exe	88
PID 2804 wrote to memory of 3088	2804	a209113c7cbca938abf88de8321d166f13d61b786e9f93d47a1344d05ead3da0N.exe	88
PID 3088 wrote to memory of 4800	3088	cmd.exe	92
PID 3088 wrote to memory of 4800	3088	cmd.exe	92
PID 3088 wrote to memory of 4800	3088	cmd.exe	92
PID 2804 wrote to memory of 3076	2804	a209113c7cbca938abf88de8321d166f13d61b786e9f93d47a1344d05ead3da0N.exe	93
PID 2804 wrote to memory of 3076	2804	a209113c7cbca938abf88de8321d166f13d61b786e9f93d47a1344d05ead3da0N.exe	93
PID 2804 wrote to memory of 3076	2804	a209113c7cbca938abf88de8321d166f13d61b786e9f93d47a1344d05ead3da0N.exe	93
PID 3076 wrote to memory of 3852	3076	csrsll.exe	94
PID 3076 wrote to memory of 3852	3076	csrsll.exe	94
PID 3076 wrote to memory of 3852	3076	csrsll.exe	94
PID 3076 wrote to memory of 3852	3076	csrsll.exe	94
PID 3076 wrote to memory of 3852	3076	csrsll.exe	94
PID 3076 wrote to memory of 3852	3076	csrsll.exe	94
PID 3076 wrote to memory of 3852	3076	csrsll.exe	94
PID 3076 wrote to memory of 3852	3076	csrsll.exe	94
PID 3076 wrote to memory of 2116	3076	csrsll.exe	95
PID 3076 wrote to memory of 2116	3076	csrsll.exe	95
PID 3076 wrote to memory of 2116	3076	csrsll.exe	95
PID 3076 wrote to memory of 2116	3076	csrsll.exe	95
PID 3076 wrote to memory of 2116	3076	csrsll.exe	95
PID 3076 wrote to memory of 2116	3076	csrsll.exe	95
PID 3076 wrote to memory of 2116	3076	csrsll.exe	95
PID 3076 wrote to memory of 2116	3076	csrsll.exe	95

C:\Users\Admin\AppData\Local\Temp\a209113c7cbca938abf88de8321d166f13d61b786e9f93d47a1344d05ead3da0N.exe
"C:\Users\Admin\AppData\Local\Temp\a209113c7cbca938abf88de8321d166f13d61b786e9f93d47a1344d05ead3da0N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:228
- C:\Users\Admin\AppData\Local\Temp\a209113c7cbca938abf88de8321d166f13d61b786e9f93d47a1344d05ead3da0N.exe
  "C:\Users\Admin\AppData\Local\Temp\a209113c7cbca938abf88de8321d166f13d61b786e9f93d47a1344d05ead3da0N.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2804
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\OKJWD.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3088
  - - 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:4800
- - 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:3076
  - - 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:3852
  - - 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:2116

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\OKJWD.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
4a56030ec20975daa7ab8fdecf218a3b

SHA1
e240039e68601d761c8080c066b799178d07329c

SHA256
b8bbb46aa14a67326a27c845428db46692c41a56a26ded52578201bdc043e896

SHA512
4fd0cd716097e355bce2c35706ea3c5b9f2bef7ff9373aaf3fbc68d2327751280b69a640c3c72e273e528d67f3c7c17ae9cad1f157b79dcf11c307aa826ce7a8

Download Submit
memory/228-6-0x0000000002200000-0x0000000002202000-memory.dmp

Filesize
8KB

Download
memory/228-5-0x00000000021F0000-0x00000000021F2000-memory.dmp

Filesize
8KB

Download
memory/228-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/228-13-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/228-4-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/228-3-0x00000000021D0000-0x00000000021D2000-memory.dmp

Filesize
8KB

Download
memory/2116-46-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2116-64-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2116-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2116-57-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2116-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2116-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2804-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2804-41-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2804-14-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2804-60-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/2804-62-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2804-10-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3076-43-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3076-42-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3076-38-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3076-59-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3852-63-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads