modiloader | 0a30756eac78132ae54a1d10c1bfee272858c83c869c8ec6902cf5920d9acb14

Analysis

max time kernel
149s
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
26-12-2024 19:31

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General

Target

0a30756eac78132ae54a1d10c1bfee272858c83c869c8ec6902cf5920d9acb14.exe
Size

90KB
MD5

f0ee7b333a0a9be36b21ad3949ee3c4f
SHA1

3dcb90fea0be2ae45b9344745660cc69bf54fbc3
SHA256

0a30756eac78132ae54a1d10c1bfee272858c83c869c8ec6902cf5920d9acb14
SHA512

c2d6a1ea4488218ee312f6006edd1c311dd211075866cd29466576d32e741727da3fbf57518933de919af7b943f481fc4d5eee6899e8279d1c61e9b5dc4543a4
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/4996-56-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4996-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4996-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4996-63-0x0000000000400000-0x0000000000414000-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-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	0a30756eac78132ae54a1d10c1bfee272858c83c869c8ec6902cf5920d9acb14.exe

Executes dropped EXE 3 IoCs

pid	Process
2960	csrsll.exe
976	csrsll.exe
4996	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 1588 set thread context of 3988	1588	0a30756eac78132ae54a1d10c1bfee272858c83c869c8ec6902cf5920d9acb14.exe	84
PID 2960 set thread context of 976	2960	csrsll.exe	103
PID 2960 set thread context of 4996	2960	csrsll.exe	104

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1588-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3988-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3988-12-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1588-11-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1588-16-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3988-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0008000000023cb0-30.dat	upx
behavioral2/memory/2960-37-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3988-41-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2960-42-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2960-43-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4996-47-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4996-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4996-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4996-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4996-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2960-59-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3988-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/976-62-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4996-63-0x0000000000400000-0x0000000000414000-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	0a30756eac78132ae54a1d10c1bfee272858c83c869c8ec6902cf5920d9acb14.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0a30756eac78132ae54a1d10c1bfee272858c83c869c8ec6902cf5920d9acb14.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	976	csrsll.exe
Token: SeDebugPrivilege	976	csrsll.exe
Token: SeDebugPrivilege	976	csrsll.exe
Token: SeDebugPrivilege	976	csrsll.exe
Token: SeDebugPrivilege	976	csrsll.exe
Token: SeDebugPrivilege	976	csrsll.exe
Token: SeDebugPrivilege	976	csrsll.exe
Token: SeDebugPrivilege	976	csrsll.exe
Token: SeDebugPrivilege	976	csrsll.exe
Token: SeDebugPrivilege	976	csrsll.exe
Token: SeDebugPrivilege	976	csrsll.exe
Token: SeDebugPrivilege	976	csrsll.exe
Token: SeDebugPrivilege	976	csrsll.exe
Token: SeDebugPrivilege	976	csrsll.exe
Token: SeDebugPrivilege	976	csrsll.exe
Token: SeDebugPrivilege	976	csrsll.exe
Token: SeDebugPrivilege	976	csrsll.exe
Token: SeDebugPrivilege	976	csrsll.exe
Token: SeDebugPrivilege	976	csrsll.exe
Token: SeDebugPrivilege	976	csrsll.exe
Token: SeDebugPrivilege	976	csrsll.exe
Token: SeDebugPrivilege	976	csrsll.exe
Token: SeDebugPrivilege	976	csrsll.exe
Token: SeDebugPrivilege	976	csrsll.exe
Token: SeDebugPrivilege	976	csrsll.exe
Token: SeDebugPrivilege	976	csrsll.exe
Token: SeDebugPrivilege	976	csrsll.exe
Token: SeDebugPrivilege	976	csrsll.exe
Token: SeDebugPrivilege	976	csrsll.exe
Token: SeDebugPrivilege	976	csrsll.exe
Token: SeDebugPrivilege	976	csrsll.exe
Token: SeDebugPrivilege	976	csrsll.exe
Token: SeDebugPrivilege	976	csrsll.exe
Token: SeDebugPrivilege	976	csrsll.exe
Token: SeDebugPrivilege	976	csrsll.exe
Token: SeDebugPrivilege	976	csrsll.exe
Token: SeDebugPrivilege	976	csrsll.exe
Token: SeDebugPrivilege	976	csrsll.exe
Token: SeDebugPrivilege	976	csrsll.exe
Token: SeDebugPrivilege	976	csrsll.exe
Token: SeDebugPrivilege	976	csrsll.exe
Token: SeDebugPrivilege	976	csrsll.exe
Token: SeDebugPrivilege	976	csrsll.exe
Token: SeDebugPrivilege	976	csrsll.exe
Token: SeDebugPrivilege	976	csrsll.exe
Token: SeDebugPrivilege	976	csrsll.exe
Token: SeDebugPrivilege	976	csrsll.exe
Token: SeDebugPrivilege	976	csrsll.exe
Token: SeDebugPrivilege	976	csrsll.exe
Token: SeDebugPrivilege	976	csrsll.exe
Token: SeDebugPrivilege	976	csrsll.exe
Token: SeDebugPrivilege	976	csrsll.exe
Token: SeDebugPrivilege	976	csrsll.exe
Token: SeDebugPrivilege	976	csrsll.exe
Token: SeDebugPrivilege	976	csrsll.exe
Token: SeDebugPrivilege	976	csrsll.exe
Token: SeDebugPrivilege	976	csrsll.exe
Token: SeDebugPrivilege	976	csrsll.exe
Token: SeDebugPrivilege	976	csrsll.exe
Token: SeDebugPrivilege	976	csrsll.exe
Token: SeDebugPrivilege	976	csrsll.exe
Token: SeDebugPrivilege	976	csrsll.exe
Token: SeDebugPrivilege	976	csrsll.exe
Token: SeDebugPrivilege	976	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1588	0a30756eac78132ae54a1d10c1bfee272858c83c869c8ec6902cf5920d9acb14.exe
3988	0a30756eac78132ae54a1d10c1bfee272858c83c869c8ec6902cf5920d9acb14.exe
2960	csrsll.exe
976	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 1588 wrote to memory of 3988	1588	0a30756eac78132ae54a1d10c1bfee272858c83c869c8ec6902cf5920d9acb14.exe	84
PID 1588 wrote to memory of 3988	1588	0a30756eac78132ae54a1d10c1bfee272858c83c869c8ec6902cf5920d9acb14.exe	84
PID 1588 wrote to memory of 3988	1588	0a30756eac78132ae54a1d10c1bfee272858c83c869c8ec6902cf5920d9acb14.exe	84
PID 1588 wrote to memory of 3988	1588	0a30756eac78132ae54a1d10c1bfee272858c83c869c8ec6902cf5920d9acb14.exe	84
PID 1588 wrote to memory of 3988	1588	0a30756eac78132ae54a1d10c1bfee272858c83c869c8ec6902cf5920d9acb14.exe	84
PID 1588 wrote to memory of 3988	1588	0a30756eac78132ae54a1d10c1bfee272858c83c869c8ec6902cf5920d9acb14.exe	84
PID 1588 wrote to memory of 3988	1588	0a30756eac78132ae54a1d10c1bfee272858c83c869c8ec6902cf5920d9acb14.exe	84
PID 1588 wrote to memory of 3988	1588	0a30756eac78132ae54a1d10c1bfee272858c83c869c8ec6902cf5920d9acb14.exe	84
PID 3988 wrote to memory of 1828	3988	0a30756eac78132ae54a1d10c1bfee272858c83c869c8ec6902cf5920d9acb14.exe	91
PID 3988 wrote to memory of 1828	3988	0a30756eac78132ae54a1d10c1bfee272858c83c869c8ec6902cf5920d9acb14.exe	91
PID 3988 wrote to memory of 1828	3988	0a30756eac78132ae54a1d10c1bfee272858c83c869c8ec6902cf5920d9acb14.exe	91
PID 1828 wrote to memory of 3968	1828	cmd.exe	95
PID 1828 wrote to memory of 3968	1828	cmd.exe	95
PID 1828 wrote to memory of 3968	1828	cmd.exe	95
PID 3988 wrote to memory of 2960	3988	0a30756eac78132ae54a1d10c1bfee272858c83c869c8ec6902cf5920d9acb14.exe	96
PID 3988 wrote to memory of 2960	3988	0a30756eac78132ae54a1d10c1bfee272858c83c869c8ec6902cf5920d9acb14.exe	96
PID 3988 wrote to memory of 2960	3988	0a30756eac78132ae54a1d10c1bfee272858c83c869c8ec6902cf5920d9acb14.exe	96
PID 2960 wrote to memory of 976	2960	csrsll.exe	103
PID 2960 wrote to memory of 976	2960	csrsll.exe	103
PID 2960 wrote to memory of 976	2960	csrsll.exe	103
PID 2960 wrote to memory of 976	2960	csrsll.exe	103
PID 2960 wrote to memory of 976	2960	csrsll.exe	103
PID 2960 wrote to memory of 976	2960	csrsll.exe	103
PID 2960 wrote to memory of 976	2960	csrsll.exe	103
PID 2960 wrote to memory of 976	2960	csrsll.exe	103
PID 2960 wrote to memory of 4996	2960	csrsll.exe	104
PID 2960 wrote to memory of 4996	2960	csrsll.exe	104
PID 2960 wrote to memory of 4996	2960	csrsll.exe	104
PID 2960 wrote to memory of 4996	2960	csrsll.exe	104
PID 2960 wrote to memory of 4996	2960	csrsll.exe	104
PID 2960 wrote to memory of 4996	2960	csrsll.exe	104
PID 2960 wrote to memory of 4996	2960	csrsll.exe	104
PID 2960 wrote to memory of 4996	2960	csrsll.exe	104

C:\Users\Admin\AppData\Local\Temp\0a30756eac78132ae54a1d10c1bfee272858c83c869c8ec6902cf5920d9acb14.exe
"C:\Users\Admin\AppData\Local\Temp\0a30756eac78132ae54a1d10c1bfee272858c83c869c8ec6902cf5920d9acb14.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1588
- C:\Users\Admin\AppData\Local\Temp\0a30756eac78132ae54a1d10c1bfee272858c83c869c8ec6902cf5920d9acb14.exe
  "C:\Users\Admin\AppData\Local\Temp\0a30756eac78132ae54a1d10c1bfee272858c83c869c8ec6902cf5920d9acb14.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3988
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\BPFSO.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1828
  - - 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:3968
- - 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:2960
  - - 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:976
  - - 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:4996

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\BPFSO.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
ea3dc8a26d0afad167f7ae2617a244b2

SHA1
bebb7ed9b22f4a31e434a4c911aae2aa9bb3d5dd

SHA256
c041dd88fe67e0b11abe1210e488729180bbbf9a57870859ee41e653bd7a65ab

SHA512
62e3179db3e34236479c0f861a32770d9ff533229592cfc03d0efe13f674279ca4148186e74013211e22cda8261c201a287a43d5f4c319afa7621ee477893838

Download Submit
memory/976-62-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1588-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1588-3-0x0000000002B60000-0x0000000002B62000-memory.dmp

Filesize
8KB

Download
memory/1588-5-0x0000000002B80000-0x0000000002B82000-memory.dmp

Filesize
8KB

Download
memory/1588-11-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1588-16-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1588-6-0x0000000002B90000-0x0000000002B92000-memory.dmp

Filesize
8KB

Download
memory/1588-4-0x0000000002B70000-0x0000000002B72000-memory.dmp

Filesize
8KB

Download
memory/2960-42-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2960-59-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2960-37-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2960-43-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3988-12-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3988-41-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3988-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3988-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3988-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4996-47-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4996-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4996-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4996-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4996-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4996-63-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads