modiloader | 244abe0d573a013e4ff73d4857dad1e27a6c580a05b063d20dceab74c791dee3

Analysis

max time kernel
119s
max time network
118s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20-12-2024 04:37

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General

Target

244abe0d573a013e4ff73d4857dad1e27a6c580a05b063d20dceab74c791dee3N.exe
Size

90KB
MD5

cab3825d64471ab7ed54d34f9b9f9970
SHA1

e20c6b00303fd28d0ba696269c77ef46e058ed34
SHA256

244abe0d573a013e4ff73d4857dad1e27a6c580a05b063d20dceab74c791dee3
SHA512

501b3bc4442a2f3bfc63aeaa57b05b47ec7afc639ee8acd7266300d9290d06d428e1bb79c392002d185fb9527e11793470981136801cdfcc30020adcb25a5151
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDj:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3N

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/1168-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1168-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1168-57-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1168-62-0x0000000000400000-0x0000000000414000-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	244abe0d573a013e4ff73d4857dad1e27a6c580a05b063d20dceab74c791dee3N.exe

Executes dropped EXE 3 IoCs

pid	Process
1948	csrsll.exe
4956	csrsll.exe
1168	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 1848 set thread context of 4984	1848	244abe0d573a013e4ff73d4857dad1e27a6c580a05b063d20dceab74c791dee3N.exe	89
PID 1948 set thread context of 4956	1948	csrsll.exe	101
PID 1948 set thread context of 1168	1948	csrsll.exe	102

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1848-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1848-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4984-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4984-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1848-11-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4984-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0008000000023c68-29.dat	upx
behavioral2/memory/4984-39-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1948-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1948-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1168-44-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1168-50-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1168-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1168-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1168-57-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1948-56-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4984-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4956-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1168-62-0x0000000000400000-0x0000000000414000-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	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	244abe0d573a013e4ff73d4857dad1e27a6c580a05b063d20dceab74c791dee3N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	244abe0d573a013e4ff73d4857dad1e27a6c580a05b063d20dceab74c791dee3N.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

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	4956	csrsll.exe
Token: SeDebugPrivilege	4956	csrsll.exe
Token: SeDebugPrivilege	4956	csrsll.exe
Token: SeDebugPrivilege	4956	csrsll.exe
Token: SeDebugPrivilege	4956	csrsll.exe
Token: SeDebugPrivilege	4956	csrsll.exe
Token: SeDebugPrivilege	4956	csrsll.exe
Token: SeDebugPrivilege	4956	csrsll.exe
Token: SeDebugPrivilege	4956	csrsll.exe
Token: SeDebugPrivilege	4956	csrsll.exe
Token: SeDebugPrivilege	4956	csrsll.exe
Token: SeDebugPrivilege	4956	csrsll.exe
Token: SeDebugPrivilege	4956	csrsll.exe
Token: SeDebugPrivilege	4956	csrsll.exe
Token: SeDebugPrivilege	4956	csrsll.exe
Token: SeDebugPrivilege	4956	csrsll.exe
Token: SeDebugPrivilege	4956	csrsll.exe
Token: SeDebugPrivilege	4956	csrsll.exe
Token: SeDebugPrivilege	4956	csrsll.exe
Token: SeDebugPrivilege	4956	csrsll.exe
Token: SeDebugPrivilege	4956	csrsll.exe
Token: SeDebugPrivilege	4956	csrsll.exe
Token: SeDebugPrivilege	4956	csrsll.exe
Token: SeDebugPrivilege	4956	csrsll.exe
Token: SeDebugPrivilege	4956	csrsll.exe
Token: SeDebugPrivilege	4956	csrsll.exe
Token: SeDebugPrivilege	4956	csrsll.exe
Token: SeDebugPrivilege	4956	csrsll.exe
Token: SeDebugPrivilege	4956	csrsll.exe
Token: SeDebugPrivilege	4956	csrsll.exe
Token: SeDebugPrivilege	4956	csrsll.exe
Token: SeDebugPrivilege	4956	csrsll.exe
Token: SeDebugPrivilege	4956	csrsll.exe
Token: SeDebugPrivilege	4956	csrsll.exe
Token: SeDebugPrivilege	4956	csrsll.exe
Token: SeDebugPrivilege	4956	csrsll.exe
Token: SeDebugPrivilege	4956	csrsll.exe
Token: SeDebugPrivilege	4956	csrsll.exe
Token: SeDebugPrivilege	4956	csrsll.exe
Token: SeDebugPrivilege	4956	csrsll.exe
Token: SeDebugPrivilege	4956	csrsll.exe
Token: SeDebugPrivilege	4956	csrsll.exe
Token: SeDebugPrivilege	4956	csrsll.exe
Token: SeDebugPrivilege	4956	csrsll.exe
Token: SeDebugPrivilege	4956	csrsll.exe
Token: SeDebugPrivilege	4956	csrsll.exe
Token: SeDebugPrivilege	4956	csrsll.exe
Token: SeDebugPrivilege	4956	csrsll.exe
Token: SeDebugPrivilege	4956	csrsll.exe
Token: SeDebugPrivilege	4956	csrsll.exe
Token: SeDebugPrivilege	4956	csrsll.exe
Token: SeDebugPrivilege	4956	csrsll.exe
Token: SeDebugPrivilege	4956	csrsll.exe
Token: SeDebugPrivilege	4956	csrsll.exe
Token: SeDebugPrivilege	4956	csrsll.exe
Token: SeDebugPrivilege	4956	csrsll.exe
Token: SeDebugPrivilege	4956	csrsll.exe
Token: SeDebugPrivilege	4956	csrsll.exe
Token: SeDebugPrivilege	4956	csrsll.exe
Token: SeDebugPrivilege	4956	csrsll.exe
Token: SeDebugPrivilege	4956	csrsll.exe
Token: SeDebugPrivilege	4956	csrsll.exe
Token: SeDebugPrivilege	4956	csrsll.exe
Token: SeDebugPrivilege	4956	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1848	244abe0d573a013e4ff73d4857dad1e27a6c580a05b063d20dceab74c791dee3N.exe
4984	244abe0d573a013e4ff73d4857dad1e27a6c580a05b063d20dceab74c791dee3N.exe
1948	csrsll.exe
4956	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 1848 wrote to memory of 4984	1848	244abe0d573a013e4ff73d4857dad1e27a6c580a05b063d20dceab74c791dee3N.exe	89
PID 1848 wrote to memory of 4984	1848	244abe0d573a013e4ff73d4857dad1e27a6c580a05b063d20dceab74c791dee3N.exe	89
PID 1848 wrote to memory of 4984	1848	244abe0d573a013e4ff73d4857dad1e27a6c580a05b063d20dceab74c791dee3N.exe	89
PID 1848 wrote to memory of 4984	1848	244abe0d573a013e4ff73d4857dad1e27a6c580a05b063d20dceab74c791dee3N.exe	89
PID 1848 wrote to memory of 4984	1848	244abe0d573a013e4ff73d4857dad1e27a6c580a05b063d20dceab74c791dee3N.exe	89
PID 1848 wrote to memory of 4984	1848	244abe0d573a013e4ff73d4857dad1e27a6c580a05b063d20dceab74c791dee3N.exe	89
PID 1848 wrote to memory of 4984	1848	244abe0d573a013e4ff73d4857dad1e27a6c580a05b063d20dceab74c791dee3N.exe	89
PID 1848 wrote to memory of 4984	1848	244abe0d573a013e4ff73d4857dad1e27a6c580a05b063d20dceab74c791dee3N.exe	89
PID 4984 wrote to memory of 2744	4984	244abe0d573a013e4ff73d4857dad1e27a6c580a05b063d20dceab74c791dee3N.exe	92
PID 4984 wrote to memory of 2744	4984	244abe0d573a013e4ff73d4857dad1e27a6c580a05b063d20dceab74c791dee3N.exe	92
PID 4984 wrote to memory of 2744	4984	244abe0d573a013e4ff73d4857dad1e27a6c580a05b063d20dceab74c791dee3N.exe	92
PID 2744 wrote to memory of 2456	2744	cmd.exe	96
PID 2744 wrote to memory of 2456	2744	cmd.exe	96
PID 2744 wrote to memory of 2456	2744	cmd.exe	96
PID 4984 wrote to memory of 1948	4984	244abe0d573a013e4ff73d4857dad1e27a6c580a05b063d20dceab74c791dee3N.exe	97
PID 4984 wrote to memory of 1948	4984	244abe0d573a013e4ff73d4857dad1e27a6c580a05b063d20dceab74c791dee3N.exe	97
PID 4984 wrote to memory of 1948	4984	244abe0d573a013e4ff73d4857dad1e27a6c580a05b063d20dceab74c791dee3N.exe	97
PID 1948 wrote to memory of 4956	1948	csrsll.exe	101
PID 1948 wrote to memory of 4956	1948	csrsll.exe	101
PID 1948 wrote to memory of 4956	1948	csrsll.exe	101
PID 1948 wrote to memory of 4956	1948	csrsll.exe	101
PID 1948 wrote to memory of 4956	1948	csrsll.exe	101
PID 1948 wrote to memory of 4956	1948	csrsll.exe	101
PID 1948 wrote to memory of 4956	1948	csrsll.exe	101
PID 1948 wrote to memory of 4956	1948	csrsll.exe	101
PID 1948 wrote to memory of 1168	1948	csrsll.exe	102
PID 1948 wrote to memory of 1168	1948	csrsll.exe	102
PID 1948 wrote to memory of 1168	1948	csrsll.exe	102
PID 1948 wrote to memory of 1168	1948	csrsll.exe	102
PID 1948 wrote to memory of 1168	1948	csrsll.exe	102
PID 1948 wrote to memory of 1168	1948	csrsll.exe	102
PID 1948 wrote to memory of 1168	1948	csrsll.exe	102
PID 1948 wrote to memory of 1168	1948	csrsll.exe	102

C:\Users\Admin\AppData\Local\Temp\244abe0d573a013e4ff73d4857dad1e27a6c580a05b063d20dceab74c791dee3N.exe
"C:\Users\Admin\AppData\Local\Temp\244abe0d573a013e4ff73d4857dad1e27a6c580a05b063d20dceab74c791dee3N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1848
- C:\Users\Admin\AppData\Local\Temp\244abe0d573a013e4ff73d4857dad1e27a6c580a05b063d20dceab74c791dee3N.exe
  "C:\Users\Admin\AppData\Local\Temp\244abe0d573a013e4ff73d4857dad1e27a6c580a05b063d20dceab74c791dee3N.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4984
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\NXOKJ.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2744
  - - 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:2456
- - 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:1948
  - - 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:4956
  - - 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:1168

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

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Downloads

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

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
f6028f55bcd6e170c67d737bc45eff88

SHA1
8c56513c0bf86ff8bcc3b4f760cc2dc49a545921

SHA256
d21bffe6639a7733e5976ebab8d3958b6bc16c5a114f240c0d8bc0595ce13e7f

SHA512
d9e82dca545e96405f0241e5d67a3c25e2c0e67bff834c709eb80c7aa9d647ec8634fd09a4687177f033526e4b3286b6ad1439a953db7322637eefb220015235

Download Submit
memory/1168-57-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1168-62-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1168-44-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1168-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1168-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1168-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1848-6-0x0000000002340000-0x0000000002342000-memory.dmp

Filesize
8KB

Download
memory/1848-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1848-11-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1848-4-0x0000000002320000-0x0000000002322000-memory.dmp

Filesize
8KB

Download
memory/1848-3-0x0000000002300000-0x0000000002302000-memory.dmp

Filesize
8KB

Download
memory/1848-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1948-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1948-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1948-56-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4956-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4984-39-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4984-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4984-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4984-58-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/4984-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4984-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads