modiloader | c1fe14fecf18a093f0e3670ee3f733d0c6d79824855c231e34975f065d8a934f

Analysis

max time kernel
149s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
18-12-2024 11:15

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General

Target

c1fe14fecf18a093f0e3670ee3f733d0c6d79824855c231e34975f065d8a934f.exe
Size

90KB
MD5

1a99c57fa7d83760e09a3ff812e417b4
SHA1

7bf657bee7072b4b68d259b2a66620576a32b964
SHA256

c1fe14fecf18a093f0e3670ee3f733d0c6d79824855c231e34975f065d8a934f
SHA512

b0af9aa9374a3bf6230f5c159db0cfe7156fea6626ac7e7ef57a81e11f1fe8eac16488e564d05f2b6eeff74d6d7ee803e928047f86f2f28af5eb4f8cd41f3aba
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDQ:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3a

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/2792-52-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2792-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2792-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2792-61-0x0000000000400000-0x0000000000414000-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	c1fe14fecf18a093f0e3670ee3f733d0c6d79824855c231e34975f065d8a934f.exe

Executes dropped EXE 3 IoCs

pid	Process
2996	csrsll.exe
2812	csrsll.exe
2792	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 3084 set thread context of 2132	3084	c1fe14fecf18a093f0e3670ee3f733d0c6d79824855c231e34975f065d8a934f.exe	86
PID 2996 set thread context of 2812	2996	csrsll.exe	95
PID 2996 set thread context of 2792	2996	csrsll.exe	96

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3084-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3084-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2132-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2132-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3084-11-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2132-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000b000000023b6f-29.dat	upx
behavioral2/memory/2132-39-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2996-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2996-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2792-45-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2792-50-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2792-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2792-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2792-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2996-57-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2132-59-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2812-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2792-61-0x0000000000400000-0x0000000000414000-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	c1fe14fecf18a093f0e3670ee3f733d0c6d79824855c231e34975f065d8a934f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c1fe14fecf18a093f0e3670ee3f733d0c6d79824855c231e34975f065d8a934f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2812	csrsll.exe
Token: SeDebugPrivilege	2812	csrsll.exe
Token: SeDebugPrivilege	2812	csrsll.exe
Token: SeDebugPrivilege	2812	csrsll.exe
Token: SeDebugPrivilege	2812	csrsll.exe
Token: SeDebugPrivilege	2812	csrsll.exe
Token: SeDebugPrivilege	2812	csrsll.exe
Token: SeDebugPrivilege	2812	csrsll.exe
Token: SeDebugPrivilege	2812	csrsll.exe
Token: SeDebugPrivilege	2812	csrsll.exe
Token: SeDebugPrivilege	2812	csrsll.exe
Token: SeDebugPrivilege	2812	csrsll.exe
Token: SeDebugPrivilege	2812	csrsll.exe
Token: SeDebugPrivilege	2812	csrsll.exe
Token: SeDebugPrivilege	2812	csrsll.exe
Token: SeDebugPrivilege	2812	csrsll.exe
Token: SeDebugPrivilege	2812	csrsll.exe
Token: SeDebugPrivilege	2812	csrsll.exe
Token: SeDebugPrivilege	2812	csrsll.exe
Token: SeDebugPrivilege	2812	csrsll.exe
Token: SeDebugPrivilege	2812	csrsll.exe
Token: SeDebugPrivilege	2812	csrsll.exe
Token: SeDebugPrivilege	2812	csrsll.exe
Token: SeDebugPrivilege	2812	csrsll.exe
Token: SeDebugPrivilege	2812	csrsll.exe
Token: SeDebugPrivilege	2812	csrsll.exe
Token: SeDebugPrivilege	2812	csrsll.exe
Token: SeDebugPrivilege	2812	csrsll.exe
Token: SeDebugPrivilege	2812	csrsll.exe
Token: SeDebugPrivilege	2812	csrsll.exe
Token: SeDebugPrivilege	2812	csrsll.exe
Token: SeDebugPrivilege	2812	csrsll.exe
Token: SeDebugPrivilege	2812	csrsll.exe
Token: SeDebugPrivilege	2812	csrsll.exe
Token: SeDebugPrivilege	2812	csrsll.exe
Token: SeDebugPrivilege	2812	csrsll.exe
Token: SeDebugPrivilege	2812	csrsll.exe
Token: SeDebugPrivilege	2812	csrsll.exe
Token: SeDebugPrivilege	2812	csrsll.exe
Token: SeDebugPrivilege	2812	csrsll.exe
Token: SeDebugPrivilege	2812	csrsll.exe
Token: SeDebugPrivilege	2812	csrsll.exe
Token: SeDebugPrivilege	2812	csrsll.exe
Token: SeDebugPrivilege	2812	csrsll.exe
Token: SeDebugPrivilege	2812	csrsll.exe
Token: SeDebugPrivilege	2812	csrsll.exe
Token: SeDebugPrivilege	2812	csrsll.exe
Token: SeDebugPrivilege	2812	csrsll.exe
Token: SeDebugPrivilege	2812	csrsll.exe
Token: SeDebugPrivilege	2812	csrsll.exe
Token: SeDebugPrivilege	2812	csrsll.exe
Token: SeDebugPrivilege	2812	csrsll.exe
Token: SeDebugPrivilege	2812	csrsll.exe
Token: SeDebugPrivilege	2812	csrsll.exe
Token: SeDebugPrivilege	2812	csrsll.exe
Token: SeDebugPrivilege	2812	csrsll.exe
Token: SeDebugPrivilege	2812	csrsll.exe
Token: SeDebugPrivilege	2812	csrsll.exe
Token: SeDebugPrivilege	2812	csrsll.exe
Token: SeDebugPrivilege	2812	csrsll.exe
Token: SeDebugPrivilege	2812	csrsll.exe
Token: SeDebugPrivilege	2812	csrsll.exe
Token: SeDebugPrivilege	2812	csrsll.exe
Token: SeDebugPrivilege	2812	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3084	c1fe14fecf18a093f0e3670ee3f733d0c6d79824855c231e34975f065d8a934f.exe
2132	c1fe14fecf18a093f0e3670ee3f733d0c6d79824855c231e34975f065d8a934f.exe
2996	csrsll.exe
2812	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 3084 wrote to memory of 2132	3084	c1fe14fecf18a093f0e3670ee3f733d0c6d79824855c231e34975f065d8a934f.exe	86
PID 3084 wrote to memory of 2132	3084	c1fe14fecf18a093f0e3670ee3f733d0c6d79824855c231e34975f065d8a934f.exe	86
PID 3084 wrote to memory of 2132	3084	c1fe14fecf18a093f0e3670ee3f733d0c6d79824855c231e34975f065d8a934f.exe	86
PID 3084 wrote to memory of 2132	3084	c1fe14fecf18a093f0e3670ee3f733d0c6d79824855c231e34975f065d8a934f.exe	86
PID 3084 wrote to memory of 2132	3084	c1fe14fecf18a093f0e3670ee3f733d0c6d79824855c231e34975f065d8a934f.exe	86
PID 3084 wrote to memory of 2132	3084	c1fe14fecf18a093f0e3670ee3f733d0c6d79824855c231e34975f065d8a934f.exe	86
PID 3084 wrote to memory of 2132	3084	c1fe14fecf18a093f0e3670ee3f733d0c6d79824855c231e34975f065d8a934f.exe	86
PID 3084 wrote to memory of 2132	3084	c1fe14fecf18a093f0e3670ee3f733d0c6d79824855c231e34975f065d8a934f.exe	86
PID 2132 wrote to memory of 1900	2132	c1fe14fecf18a093f0e3670ee3f733d0c6d79824855c231e34975f065d8a934f.exe	87
PID 2132 wrote to memory of 1900	2132	c1fe14fecf18a093f0e3670ee3f733d0c6d79824855c231e34975f065d8a934f.exe	87
PID 2132 wrote to memory of 1900	2132	c1fe14fecf18a093f0e3670ee3f733d0c6d79824855c231e34975f065d8a934f.exe	87
PID 1900 wrote to memory of 2664	1900	cmd.exe	90
PID 1900 wrote to memory of 2664	1900	cmd.exe	90
PID 1900 wrote to memory of 2664	1900	cmd.exe	90
PID 2132 wrote to memory of 2996	2132	c1fe14fecf18a093f0e3670ee3f733d0c6d79824855c231e34975f065d8a934f.exe	91
PID 2132 wrote to memory of 2996	2132	c1fe14fecf18a093f0e3670ee3f733d0c6d79824855c231e34975f065d8a934f.exe	91
PID 2132 wrote to memory of 2996	2132	c1fe14fecf18a093f0e3670ee3f733d0c6d79824855c231e34975f065d8a934f.exe	91
PID 2996 wrote to memory of 2812	2996	csrsll.exe	95
PID 2996 wrote to memory of 2812	2996	csrsll.exe	95
PID 2996 wrote to memory of 2812	2996	csrsll.exe	95
PID 2996 wrote to memory of 2812	2996	csrsll.exe	95
PID 2996 wrote to memory of 2812	2996	csrsll.exe	95
PID 2996 wrote to memory of 2812	2996	csrsll.exe	95
PID 2996 wrote to memory of 2812	2996	csrsll.exe	95
PID 2996 wrote to memory of 2812	2996	csrsll.exe	95
PID 2996 wrote to memory of 2792	2996	csrsll.exe	96
PID 2996 wrote to memory of 2792	2996	csrsll.exe	96
PID 2996 wrote to memory of 2792	2996	csrsll.exe	96
PID 2996 wrote to memory of 2792	2996	csrsll.exe	96
PID 2996 wrote to memory of 2792	2996	csrsll.exe	96
PID 2996 wrote to memory of 2792	2996	csrsll.exe	96
PID 2996 wrote to memory of 2792	2996	csrsll.exe	96
PID 2996 wrote to memory of 2792	2996	csrsll.exe	96

C:\Users\Admin\AppData\Local\Temp\c1fe14fecf18a093f0e3670ee3f733d0c6d79824855c231e34975f065d8a934f.exe
"C:\Users\Admin\AppData\Local\Temp\c1fe14fecf18a093f0e3670ee3f733d0c6d79824855c231e34975f065d8a934f.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3084
- C:\Users\Admin\AppData\Local\Temp\c1fe14fecf18a093f0e3670ee3f733d0c6d79824855c231e34975f065d8a934f.exe
  "C:\Users\Admin\AppData\Local\Temp\c1fe14fecf18a093f0e3670ee3f733d0c6d79824855c231e34975f065d8a934f.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2132
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\JTPKT.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1900
  - - 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:2664
- - 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:2996
  - - 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:2812
  - - 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:2792

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\JTPKT.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
e7e203c3562a637e143eb05b885bcfff

SHA1
8a61878258e13d7b3a2952fee13e7edd50651bb5

SHA256
00df414dfe2e33b85f99b6d2e2f3227b8b0f934a4eae4fa865c0ef0bdd691bc2

SHA512
4718b1de0dd3bf05c992bf966d16a388ee75c5fd02a566e767ce5a32489c34aab465fad8cd9b524a9b0cbe0b09d9d9d992693df11ca23df801030f9ad60c8a98

Download Submit
memory/2132-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2132-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2132-59-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2132-39-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2132-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2792-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2792-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2792-61-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2792-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2792-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2792-45-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2812-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2996-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2996-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2996-57-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3084-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3084-3-0x0000000002B50000-0x0000000002B52000-memory.dmp

Filesize
8KB

Download
memory/3084-11-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3084-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3084-6-0x0000000002B90000-0x0000000002B92000-memory.dmp

Filesize
8KB

Download
memory/3084-4-0x0000000002B70000-0x0000000002B72000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads