modiloader | 7db82164e3eeb37c9b5dc7b1ae8dbebe9ee620b8698d80e5e8efd68d607fba2e

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
06-01-2025 03:34

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General

Target

7db82164e3eeb37c9b5dc7b1ae8dbebe9ee620b8698d80e5e8efd68d607fba2e.exe
Size

90KB
MD5

15da2463d0fcd8cdd69311f6051b6ee1
SHA1

e5f8027380efb1263fc5a8781d8c65b556c84ec5
SHA256

7db82164e3eeb37c9b5dc7b1ae8dbebe9ee620b8698d80e5e8efd68d607fba2e
SHA512

21fd92b1154b6b907ed820bb41bbdde9a9ab28185596cb0f234cee0670c5409bcae3255d17ed837d9ce849ce076791a53a4dcf76baaee40091e0cdee51d8ed80
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDt:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3f

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/2848-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2848-52-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2848-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2848-60-0x0000000000400000-0x0000000000414000-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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	7db82164e3eeb37c9b5dc7b1ae8dbebe9ee620b8698d80e5e8efd68d607fba2e.exe

Executes dropped EXE 3 IoCs

pid	Process
4700	csrsll.exe
2872	csrsll.exe
2848	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-1-5-21-2878641211-696417878-3864914810-1000\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 4304 set thread context of 2208	4304	7db82164e3eeb37c9b5dc7b1ae8dbebe9ee620b8698d80e5e8efd68d607fba2e.exe	83
PID 4700 set thread context of 2872	4700	csrsll.exe	97
PID 4700 set thread context of 2848	4700	csrsll.exe	98

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4304-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4304-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2208-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2208-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2208-10-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4304-13-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/files/0x000b000000023b5f-28.dat	upx
behavioral2/memory/2208-38-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4700-39-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4700-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2848-45-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2848-50-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2848-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2848-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2848-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4700-54-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2208-58-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2872-59-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2848-60-0x0000000000400000-0x0000000000414000-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	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7db82164e3eeb37c9b5dc7b1ae8dbebe9ee620b8698d80e5e8efd68d607fba2e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7db82164e3eeb37c9b5dc7b1ae8dbebe9ee620b8698d80e5e8efd68d607fba2e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2872	csrsll.exe
Token: SeDebugPrivilege	2872	csrsll.exe
Token: SeDebugPrivilege	2872	csrsll.exe
Token: SeDebugPrivilege	2872	csrsll.exe
Token: SeDebugPrivilege	2872	csrsll.exe
Token: SeDebugPrivilege	2872	csrsll.exe
Token: SeDebugPrivilege	2872	csrsll.exe
Token: SeDebugPrivilege	2872	csrsll.exe
Token: SeDebugPrivilege	2872	csrsll.exe
Token: SeDebugPrivilege	2872	csrsll.exe
Token: SeDebugPrivilege	2872	csrsll.exe
Token: SeDebugPrivilege	2872	csrsll.exe
Token: SeDebugPrivilege	2872	csrsll.exe
Token: SeDebugPrivilege	2872	csrsll.exe
Token: SeDebugPrivilege	2872	csrsll.exe
Token: SeDebugPrivilege	2872	csrsll.exe
Token: SeDebugPrivilege	2872	csrsll.exe
Token: SeDebugPrivilege	2872	csrsll.exe
Token: SeDebugPrivilege	2872	csrsll.exe
Token: SeDebugPrivilege	2872	csrsll.exe
Token: SeDebugPrivilege	2872	csrsll.exe
Token: SeDebugPrivilege	2872	csrsll.exe
Token: SeDebugPrivilege	2872	csrsll.exe
Token: SeDebugPrivilege	2872	csrsll.exe
Token: SeDebugPrivilege	2872	csrsll.exe
Token: SeDebugPrivilege	2872	csrsll.exe
Token: SeDebugPrivilege	2872	csrsll.exe
Token: SeDebugPrivilege	2872	csrsll.exe
Token: SeDebugPrivilege	2872	csrsll.exe
Token: SeDebugPrivilege	2872	csrsll.exe
Token: SeDebugPrivilege	2872	csrsll.exe
Token: SeDebugPrivilege	2872	csrsll.exe
Token: SeDebugPrivilege	2872	csrsll.exe
Token: SeDebugPrivilege	2872	csrsll.exe
Token: SeDebugPrivilege	2872	csrsll.exe
Token: SeDebugPrivilege	2872	csrsll.exe
Token: SeDebugPrivilege	2872	csrsll.exe
Token: SeDebugPrivilege	2872	csrsll.exe
Token: SeDebugPrivilege	2872	csrsll.exe
Token: SeDebugPrivilege	2872	csrsll.exe
Token: SeDebugPrivilege	2872	csrsll.exe
Token: SeDebugPrivilege	2872	csrsll.exe
Token: SeDebugPrivilege	2872	csrsll.exe
Token: SeDebugPrivilege	2872	csrsll.exe
Token: SeDebugPrivilege	2872	csrsll.exe
Token: SeDebugPrivilege	2872	csrsll.exe
Token: SeDebugPrivilege	2872	csrsll.exe
Token: SeDebugPrivilege	2872	csrsll.exe
Token: SeDebugPrivilege	2872	csrsll.exe
Token: SeDebugPrivilege	2872	csrsll.exe
Token: SeDebugPrivilege	2872	csrsll.exe
Token: SeDebugPrivilege	2872	csrsll.exe
Token: SeDebugPrivilege	2872	csrsll.exe
Token: SeDebugPrivilege	2872	csrsll.exe
Token: SeDebugPrivilege	2872	csrsll.exe
Token: SeDebugPrivilege	2872	csrsll.exe
Token: SeDebugPrivilege	2872	csrsll.exe
Token: SeDebugPrivilege	2872	csrsll.exe
Token: SeDebugPrivilege	2872	csrsll.exe
Token: SeDebugPrivilege	2872	csrsll.exe
Token: SeDebugPrivilege	2872	csrsll.exe
Token: SeDebugPrivilege	2872	csrsll.exe
Token: SeDebugPrivilege	2872	csrsll.exe
Token: SeDebugPrivilege	2872	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4304	7db82164e3eeb37c9b5dc7b1ae8dbebe9ee620b8698d80e5e8efd68d607fba2e.exe
2208	7db82164e3eeb37c9b5dc7b1ae8dbebe9ee620b8698d80e5e8efd68d607fba2e.exe
4700	csrsll.exe
2872	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 4304 wrote to memory of 2208	4304	7db82164e3eeb37c9b5dc7b1ae8dbebe9ee620b8698d80e5e8efd68d607fba2e.exe	83
PID 4304 wrote to memory of 2208	4304	7db82164e3eeb37c9b5dc7b1ae8dbebe9ee620b8698d80e5e8efd68d607fba2e.exe	83
PID 4304 wrote to memory of 2208	4304	7db82164e3eeb37c9b5dc7b1ae8dbebe9ee620b8698d80e5e8efd68d607fba2e.exe	83
PID 4304 wrote to memory of 2208	4304	7db82164e3eeb37c9b5dc7b1ae8dbebe9ee620b8698d80e5e8efd68d607fba2e.exe	83
PID 4304 wrote to memory of 2208	4304	7db82164e3eeb37c9b5dc7b1ae8dbebe9ee620b8698d80e5e8efd68d607fba2e.exe	83
PID 4304 wrote to memory of 2208	4304	7db82164e3eeb37c9b5dc7b1ae8dbebe9ee620b8698d80e5e8efd68d607fba2e.exe	83
PID 4304 wrote to memory of 2208	4304	7db82164e3eeb37c9b5dc7b1ae8dbebe9ee620b8698d80e5e8efd68d607fba2e.exe	83
PID 4304 wrote to memory of 2208	4304	7db82164e3eeb37c9b5dc7b1ae8dbebe9ee620b8698d80e5e8efd68d607fba2e.exe	83
PID 2208 wrote to memory of 2132	2208	7db82164e3eeb37c9b5dc7b1ae8dbebe9ee620b8698d80e5e8efd68d607fba2e.exe	84
PID 2208 wrote to memory of 2132	2208	7db82164e3eeb37c9b5dc7b1ae8dbebe9ee620b8698d80e5e8efd68d607fba2e.exe	84
PID 2208 wrote to memory of 2132	2208	7db82164e3eeb37c9b5dc7b1ae8dbebe9ee620b8698d80e5e8efd68d607fba2e.exe	84
PID 2132 wrote to memory of 1012	2132	cmd.exe	88
PID 2132 wrote to memory of 1012	2132	cmd.exe	88
PID 2132 wrote to memory of 1012	2132	cmd.exe	88
PID 2208 wrote to memory of 4700	2208	7db82164e3eeb37c9b5dc7b1ae8dbebe9ee620b8698d80e5e8efd68d607fba2e.exe	89
PID 2208 wrote to memory of 4700	2208	7db82164e3eeb37c9b5dc7b1ae8dbebe9ee620b8698d80e5e8efd68d607fba2e.exe	89
PID 2208 wrote to memory of 4700	2208	7db82164e3eeb37c9b5dc7b1ae8dbebe9ee620b8698d80e5e8efd68d607fba2e.exe	89
PID 4700 wrote to memory of 2872	4700	csrsll.exe	97
PID 4700 wrote to memory of 2872	4700	csrsll.exe	97
PID 4700 wrote to memory of 2872	4700	csrsll.exe	97
PID 4700 wrote to memory of 2872	4700	csrsll.exe	97
PID 4700 wrote to memory of 2872	4700	csrsll.exe	97
PID 4700 wrote to memory of 2872	4700	csrsll.exe	97
PID 4700 wrote to memory of 2872	4700	csrsll.exe	97
PID 4700 wrote to memory of 2872	4700	csrsll.exe	97
PID 4700 wrote to memory of 2848	4700	csrsll.exe	98
PID 4700 wrote to memory of 2848	4700	csrsll.exe	98
PID 4700 wrote to memory of 2848	4700	csrsll.exe	98
PID 4700 wrote to memory of 2848	4700	csrsll.exe	98
PID 4700 wrote to memory of 2848	4700	csrsll.exe	98
PID 4700 wrote to memory of 2848	4700	csrsll.exe	98
PID 4700 wrote to memory of 2848	4700	csrsll.exe	98
PID 4700 wrote to memory of 2848	4700	csrsll.exe	98

C:\Users\Admin\AppData\Local\Temp\7db82164e3eeb37c9b5dc7b1ae8dbebe9ee620b8698d80e5e8efd68d607fba2e.exe
"C:\Users\Admin\AppData\Local\Temp\7db82164e3eeb37c9b5dc7b1ae8dbebe9ee620b8698d80e5e8efd68d607fba2e.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4304
- C:\Users\Admin\AppData\Local\Temp\7db82164e3eeb37c9b5dc7b1ae8dbebe9ee620b8698d80e5e8efd68d607fba2e.exe
  "C:\Users\Admin\AppData\Local\Temp\7db82164e3eeb37c9b5dc7b1ae8dbebe9ee620b8698d80e5e8efd68d607fba2e.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2208
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\QOMRE.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2132
  - - 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:1012
- - 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:4700
  - - 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:2872
  - - 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:2848

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\QOMRE.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
3a807169c6c4d41b6620717238319293

SHA1
56ad5963c6ddbdaf4fe10b5c5210f67bf93ec957

SHA256
101521b121c82d5cb4594d2783200fb7e890add762dfbcea054621a0484f814c

SHA512
f1988f08ca07598848f9ea841b2ea8dd775a56254e39d04d81c5813c96ac2c98a4bdb86355cd7f53fe9910d80be8fe5a652e29053237a05429d6ba06e9b7ee05

Download Submit
memory/2208-58-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2208-56-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/2208-38-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2208-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2208-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2208-10-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2848-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2848-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2848-60-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2848-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2848-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2848-45-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2872-59-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4304-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4304-13-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4304-4-0x0000000002410000-0x0000000002412000-memory.dmp

Filesize
8KB

Download
memory/4304-3-0x0000000002400000-0x0000000002402000-memory.dmp

Filesize
8KB

Download
memory/4304-6-0x0000000002430000-0x0000000002432000-memory.dmp

Filesize
8KB

Download
memory/4304-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4700-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4700-39-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4700-54-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads