modiloader | 14a6f3b8b17d82f17e57126fa7232b6212dbdcdb16d46153468c5289ea687fb1

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
10-12-2024 19:53

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General

Target

14a6f3b8b17d82f17e57126fa7232b6212dbdcdb16d46153468c5289ea687fb1.exe
Size

90KB
MD5

37b80f6ba004ce555c2b9df5e7a7a82f
SHA1

056a517af0aba82d872ebf4015053014eb3b729e
SHA256

14a6f3b8b17d82f17e57126fa7232b6212dbdcdb16d46153468c5289ea687fb1
SHA512

3ad060265669ea59e1c0f71be974574339b70b225146f22773c3d119b2d5eea733a72bcdf705801be5047cfb8810b2fea61c0292aa76f335d8e415c307045f63
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDn:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3l

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/2764-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2764-57-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2764-56-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2764-61-0x0000000000400000-0x0000000000414000-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	14a6f3b8b17d82f17e57126fa7232b6212dbdcdb16d46153468c5289ea687fb1.exe

Executes dropped EXE 3 IoCs

pid	Process
4356	csrsll.exe
4624	csrsll.exe
2764	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 1520 set thread context of 4840	1520	14a6f3b8b17d82f17e57126fa7232b6212dbdcdb16d46153468c5289ea687fb1.exe	82
PID 4356 set thread context of 4624	4356	csrsll.exe	93
PID 4356 set thread context of 2764	4356	csrsll.exe	94

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1520-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1520-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4840-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4840-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4840-11-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1520-14-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/files/0x0009000000023bb7-29.dat	upx
behavioral2/memory/4840-39-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4356-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4356-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2764-46-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2764-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2764-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2764-57-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4356-52-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2764-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4840-59-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4624-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2764-61-0x0000000000400000-0x0000000000414000-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	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	14a6f3b8b17d82f17e57126fa7232b6212dbdcdb16d46153468c5289ea687fb1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	14a6f3b8b17d82f17e57126fa7232b6212dbdcdb16d46153468c5289ea687fb1.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	4624	csrsll.exe
Token: SeDebugPrivilege	4624	csrsll.exe
Token: SeDebugPrivilege	4624	csrsll.exe
Token: SeDebugPrivilege	4624	csrsll.exe
Token: SeDebugPrivilege	4624	csrsll.exe
Token: SeDebugPrivilege	4624	csrsll.exe
Token: SeDebugPrivilege	4624	csrsll.exe
Token: SeDebugPrivilege	4624	csrsll.exe
Token: SeDebugPrivilege	4624	csrsll.exe
Token: SeDebugPrivilege	4624	csrsll.exe
Token: SeDebugPrivilege	4624	csrsll.exe
Token: SeDebugPrivilege	4624	csrsll.exe
Token: SeDebugPrivilege	4624	csrsll.exe
Token: SeDebugPrivilege	4624	csrsll.exe
Token: SeDebugPrivilege	4624	csrsll.exe
Token: SeDebugPrivilege	4624	csrsll.exe
Token: SeDebugPrivilege	4624	csrsll.exe
Token: SeDebugPrivilege	4624	csrsll.exe
Token: SeDebugPrivilege	4624	csrsll.exe
Token: SeDebugPrivilege	4624	csrsll.exe
Token: SeDebugPrivilege	4624	csrsll.exe
Token: SeDebugPrivilege	4624	csrsll.exe
Token: SeDebugPrivilege	4624	csrsll.exe
Token: SeDebugPrivilege	4624	csrsll.exe
Token: SeDebugPrivilege	4624	csrsll.exe
Token: SeDebugPrivilege	4624	csrsll.exe
Token: SeDebugPrivilege	4624	csrsll.exe
Token: SeDebugPrivilege	4624	csrsll.exe
Token: SeDebugPrivilege	4624	csrsll.exe
Token: SeDebugPrivilege	4624	csrsll.exe
Token: SeDebugPrivilege	4624	csrsll.exe
Token: SeDebugPrivilege	4624	csrsll.exe
Token: SeDebugPrivilege	4624	csrsll.exe
Token: SeDebugPrivilege	4624	csrsll.exe
Token: SeDebugPrivilege	4624	csrsll.exe
Token: SeDebugPrivilege	4624	csrsll.exe
Token: SeDebugPrivilege	4624	csrsll.exe
Token: SeDebugPrivilege	4624	csrsll.exe
Token: SeDebugPrivilege	4624	csrsll.exe
Token: SeDebugPrivilege	4624	csrsll.exe
Token: SeDebugPrivilege	4624	csrsll.exe
Token: SeDebugPrivilege	4624	csrsll.exe
Token: SeDebugPrivilege	4624	csrsll.exe
Token: SeDebugPrivilege	4624	csrsll.exe
Token: SeDebugPrivilege	4624	csrsll.exe
Token: SeDebugPrivilege	4624	csrsll.exe
Token: SeDebugPrivilege	4624	csrsll.exe
Token: SeDebugPrivilege	4624	csrsll.exe
Token: SeDebugPrivilege	4624	csrsll.exe
Token: SeDebugPrivilege	4624	csrsll.exe
Token: SeDebugPrivilege	4624	csrsll.exe
Token: SeDebugPrivilege	4624	csrsll.exe
Token: SeDebugPrivilege	4624	csrsll.exe
Token: SeDebugPrivilege	4624	csrsll.exe
Token: SeDebugPrivilege	4624	csrsll.exe
Token: SeDebugPrivilege	4624	csrsll.exe
Token: SeDebugPrivilege	4624	csrsll.exe
Token: SeDebugPrivilege	4624	csrsll.exe
Token: SeDebugPrivilege	4624	csrsll.exe
Token: SeDebugPrivilege	4624	csrsll.exe
Token: SeDebugPrivilege	4624	csrsll.exe
Token: SeDebugPrivilege	4624	csrsll.exe
Token: SeDebugPrivilege	4624	csrsll.exe
Token: SeDebugPrivilege	4624	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1520	14a6f3b8b17d82f17e57126fa7232b6212dbdcdb16d46153468c5289ea687fb1.exe
4840	14a6f3b8b17d82f17e57126fa7232b6212dbdcdb16d46153468c5289ea687fb1.exe
4356	csrsll.exe
4624	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 1520 wrote to memory of 4840	1520	14a6f3b8b17d82f17e57126fa7232b6212dbdcdb16d46153468c5289ea687fb1.exe	82
PID 1520 wrote to memory of 4840	1520	14a6f3b8b17d82f17e57126fa7232b6212dbdcdb16d46153468c5289ea687fb1.exe	82
PID 1520 wrote to memory of 4840	1520	14a6f3b8b17d82f17e57126fa7232b6212dbdcdb16d46153468c5289ea687fb1.exe	82
PID 1520 wrote to memory of 4840	1520	14a6f3b8b17d82f17e57126fa7232b6212dbdcdb16d46153468c5289ea687fb1.exe	82
PID 1520 wrote to memory of 4840	1520	14a6f3b8b17d82f17e57126fa7232b6212dbdcdb16d46153468c5289ea687fb1.exe	82
PID 1520 wrote to memory of 4840	1520	14a6f3b8b17d82f17e57126fa7232b6212dbdcdb16d46153468c5289ea687fb1.exe	82
PID 1520 wrote to memory of 4840	1520	14a6f3b8b17d82f17e57126fa7232b6212dbdcdb16d46153468c5289ea687fb1.exe	82
PID 1520 wrote to memory of 4840	1520	14a6f3b8b17d82f17e57126fa7232b6212dbdcdb16d46153468c5289ea687fb1.exe	82
PID 4840 wrote to memory of 1020	4840	14a6f3b8b17d82f17e57126fa7232b6212dbdcdb16d46153468c5289ea687fb1.exe	83
PID 4840 wrote to memory of 1020	4840	14a6f3b8b17d82f17e57126fa7232b6212dbdcdb16d46153468c5289ea687fb1.exe	83
PID 4840 wrote to memory of 1020	4840	14a6f3b8b17d82f17e57126fa7232b6212dbdcdb16d46153468c5289ea687fb1.exe	83
PID 1020 wrote to memory of 4940	1020	cmd.exe	86
PID 1020 wrote to memory of 4940	1020	cmd.exe	86
PID 1020 wrote to memory of 4940	1020	cmd.exe	86
PID 4840 wrote to memory of 4356	4840	14a6f3b8b17d82f17e57126fa7232b6212dbdcdb16d46153468c5289ea687fb1.exe	87
PID 4840 wrote to memory of 4356	4840	14a6f3b8b17d82f17e57126fa7232b6212dbdcdb16d46153468c5289ea687fb1.exe	87
PID 4840 wrote to memory of 4356	4840	14a6f3b8b17d82f17e57126fa7232b6212dbdcdb16d46153468c5289ea687fb1.exe	87
PID 4356 wrote to memory of 4624	4356	csrsll.exe	93
PID 4356 wrote to memory of 4624	4356	csrsll.exe	93
PID 4356 wrote to memory of 4624	4356	csrsll.exe	93
PID 4356 wrote to memory of 4624	4356	csrsll.exe	93
PID 4356 wrote to memory of 4624	4356	csrsll.exe	93
PID 4356 wrote to memory of 4624	4356	csrsll.exe	93
PID 4356 wrote to memory of 4624	4356	csrsll.exe	93
PID 4356 wrote to memory of 4624	4356	csrsll.exe	93
PID 4356 wrote to memory of 2764	4356	csrsll.exe	94
PID 4356 wrote to memory of 2764	4356	csrsll.exe	94
PID 4356 wrote to memory of 2764	4356	csrsll.exe	94
PID 4356 wrote to memory of 2764	4356	csrsll.exe	94
PID 4356 wrote to memory of 2764	4356	csrsll.exe	94
PID 4356 wrote to memory of 2764	4356	csrsll.exe	94
PID 4356 wrote to memory of 2764	4356	csrsll.exe	94
PID 4356 wrote to memory of 2764	4356	csrsll.exe	94

C:\Users\Admin\AppData\Local\Temp\14a6f3b8b17d82f17e57126fa7232b6212dbdcdb16d46153468c5289ea687fb1.exe
"C:\Users\Admin\AppData\Local\Temp\14a6f3b8b17d82f17e57126fa7232b6212dbdcdb16d46153468c5289ea687fb1.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1520
- C:\Users\Admin\AppData\Local\Temp\14a6f3b8b17d82f17e57126fa7232b6212dbdcdb16d46153468c5289ea687fb1.exe
  "C:\Users\Admin\AppData\Local\Temp\14a6f3b8b17d82f17e57126fa7232b6212dbdcdb16d46153468c5289ea687fb1.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4840
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\INFWN.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1020
  - - 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:4940
- - 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:4356
  - - 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:4624
  - - 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:2764

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\INFWN.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
f6b32dd39115a68fa201ed4ee82be23c

SHA1
60a64858048af08a9a28e65dd7fa2cc9e9084522

SHA256
8f0f9040b12591b111dd91cda3af40d33f15f1a39b6bf84464b9b86894a909e9

SHA512
3f6bb36e32977a49370f40b90cdb15671ee6d8b3e370829794757ac0819294ce18ea9048e91fdba20e4718fdc4ecd5bf14ec0768a34c7af3aaacd02d2b05cd22

Download Submit
memory/1520-14-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1520-3-0x0000000002310000-0x0000000002312000-memory.dmp

Filesize
8KB

Download
memory/1520-4-0x0000000002320000-0x0000000002322000-memory.dmp

Filesize
8KB

Download
memory/1520-6-0x0000000002340000-0x0000000002342000-memory.dmp

Filesize
8KB

Download
memory/1520-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1520-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2764-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2764-46-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2764-61-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2764-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2764-57-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2764-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4356-52-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4356-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4356-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4624-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4840-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4840-11-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4840-39-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4840-59-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4840-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads