modiloader | 7097df72f1d4129292caee5848d61c737417acbcdf4a1d77bc313129dc3c74e1

Analysis

max time kernel
120s
max time network
119s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
03-12-2024 15:57

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General

Target

7097df72f1d4129292caee5848d61c737417acbcdf4a1d77bc313129dc3c74e1.exe
Size

326KB
MD5

19e949b3b2269df5f99bab8ef13b98e2
SHA1

bf4804fb097dd65d9f754da9b196b9cc80248953
SHA256

7097df72f1d4129292caee5848d61c737417acbcdf4a1d77bc313129dc3c74e1
SHA512

2fb90076cd1d34d3d34f6c3d54af9cf700ce18cc9b3573503baac33fc87e4312d3ab9a3fe34fc22f05ab8f8382b277f08af70c2ed48df45c97489c0c477a28c2
SSDEEP

3072:h0e2A0wxDqUpM5scww4chO+O1BmP5DG0sg3i4XZ9WvDZHwdRX/L+gP38XVs:h0sxD5cwohO+O1sVG0/pZ6iPC8N

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/3292-51-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3292-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3292-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3292-59-0x0000000000400000-0x0000000000414000-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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	7097df72f1d4129292caee5848d61c737417acbcdf4a1d77bc313129dc3c74e1.exe

Executes dropped EXE 3 IoCs

pid	Process
3064	csrsll.exe
4692	csrsll.exe
3292	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-1-5-21-493223053-2004649691-1575712786-1000\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 4540 set thread context of 3332	4540	7097df72f1d4129292caee5848d61c737417acbcdf4a1d77bc313129dc3c74e1.exe	89
PID 3064 set thread context of 4692	3064	csrsll.exe	100
PID 3064 set thread context of 3292	3064	csrsll.exe	101

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4540-0-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/4540-4-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/3332-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3332-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4540-10-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/3332-11-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3332-12-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000b000000023b95-28.dat	upx
behavioral2/memory/3332-38-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3064-39-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/3064-40-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/3292-44-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3292-49-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3292-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3292-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3292-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3332-56-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3064-55-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/4692-58-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3292-59-0x0000000000400000-0x0000000000414000-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	7097df72f1d4129292caee5848d61c737417acbcdf4a1d77bc313129dc3c74e1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7097df72f1d4129292caee5848d61c737417acbcdf4a1d77bc313129dc3c74e1.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	4692	csrsll.exe
Token: SeDebugPrivilege	4692	csrsll.exe
Token: SeDebugPrivilege	4692	csrsll.exe
Token: SeDebugPrivilege	4692	csrsll.exe
Token: SeDebugPrivilege	4692	csrsll.exe
Token: SeDebugPrivilege	4692	csrsll.exe
Token: SeDebugPrivilege	4692	csrsll.exe
Token: SeDebugPrivilege	4692	csrsll.exe
Token: SeDebugPrivilege	4692	csrsll.exe
Token: SeDebugPrivilege	4692	csrsll.exe
Token: SeDebugPrivilege	4692	csrsll.exe
Token: SeDebugPrivilege	4692	csrsll.exe
Token: SeDebugPrivilege	4692	csrsll.exe
Token: SeDebugPrivilege	4692	csrsll.exe
Token: SeDebugPrivilege	4692	csrsll.exe
Token: SeDebugPrivilege	4692	csrsll.exe
Token: SeDebugPrivilege	4692	csrsll.exe
Token: SeDebugPrivilege	4692	csrsll.exe
Token: SeDebugPrivilege	4692	csrsll.exe
Token: SeDebugPrivilege	4692	csrsll.exe
Token: SeDebugPrivilege	4692	csrsll.exe
Token: SeDebugPrivilege	4692	csrsll.exe
Token: SeDebugPrivilege	4692	csrsll.exe
Token: SeDebugPrivilege	4692	csrsll.exe
Token: SeDebugPrivilege	4692	csrsll.exe
Token: SeDebugPrivilege	4692	csrsll.exe
Token: SeDebugPrivilege	4692	csrsll.exe
Token: SeDebugPrivilege	4692	csrsll.exe
Token: SeDebugPrivilege	4692	csrsll.exe
Token: SeDebugPrivilege	4692	csrsll.exe
Token: SeDebugPrivilege	4692	csrsll.exe
Token: SeDebugPrivilege	4692	csrsll.exe
Token: SeDebugPrivilege	4692	csrsll.exe
Token: SeDebugPrivilege	4692	csrsll.exe
Token: SeDebugPrivilege	4692	csrsll.exe
Token: SeDebugPrivilege	4692	csrsll.exe
Token: SeDebugPrivilege	4692	csrsll.exe
Token: SeDebugPrivilege	4692	csrsll.exe
Token: SeDebugPrivilege	4692	csrsll.exe
Token: SeDebugPrivilege	4692	csrsll.exe
Token: SeDebugPrivilege	4692	csrsll.exe
Token: SeDebugPrivilege	4692	csrsll.exe
Token: SeDebugPrivilege	4692	csrsll.exe
Token: SeDebugPrivilege	4692	csrsll.exe
Token: SeDebugPrivilege	4692	csrsll.exe
Token: SeDebugPrivilege	4692	csrsll.exe
Token: SeDebugPrivilege	4692	csrsll.exe
Token: SeDebugPrivilege	4692	csrsll.exe
Token: SeDebugPrivilege	4692	csrsll.exe
Token: SeDebugPrivilege	4692	csrsll.exe
Token: SeDebugPrivilege	4692	csrsll.exe
Token: SeDebugPrivilege	4692	csrsll.exe
Token: SeDebugPrivilege	4692	csrsll.exe
Token: SeDebugPrivilege	4692	csrsll.exe
Token: SeDebugPrivilege	4692	csrsll.exe
Token: SeDebugPrivilege	4692	csrsll.exe
Token: SeDebugPrivilege	4692	csrsll.exe
Token: SeDebugPrivilege	4692	csrsll.exe
Token: SeDebugPrivilege	4692	csrsll.exe
Token: SeDebugPrivilege	4692	csrsll.exe
Token: SeDebugPrivilege	4692	csrsll.exe
Token: SeDebugPrivilege	4692	csrsll.exe
Token: SeDebugPrivilege	4692	csrsll.exe
Token: SeDebugPrivilege	4692	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4540	7097df72f1d4129292caee5848d61c737417acbcdf4a1d77bc313129dc3c74e1.exe
3332	7097df72f1d4129292caee5848d61c737417acbcdf4a1d77bc313129dc3c74e1.exe
3064	csrsll.exe
4692	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 4540 wrote to memory of 3332	4540	7097df72f1d4129292caee5848d61c737417acbcdf4a1d77bc313129dc3c74e1.exe	89
PID 4540 wrote to memory of 3332	4540	7097df72f1d4129292caee5848d61c737417acbcdf4a1d77bc313129dc3c74e1.exe	89
PID 4540 wrote to memory of 3332	4540	7097df72f1d4129292caee5848d61c737417acbcdf4a1d77bc313129dc3c74e1.exe	89
PID 4540 wrote to memory of 3332	4540	7097df72f1d4129292caee5848d61c737417acbcdf4a1d77bc313129dc3c74e1.exe	89
PID 4540 wrote to memory of 3332	4540	7097df72f1d4129292caee5848d61c737417acbcdf4a1d77bc313129dc3c74e1.exe	89
PID 4540 wrote to memory of 3332	4540	7097df72f1d4129292caee5848d61c737417acbcdf4a1d77bc313129dc3c74e1.exe	89
PID 4540 wrote to memory of 3332	4540	7097df72f1d4129292caee5848d61c737417acbcdf4a1d77bc313129dc3c74e1.exe	89
PID 4540 wrote to memory of 3332	4540	7097df72f1d4129292caee5848d61c737417acbcdf4a1d77bc313129dc3c74e1.exe	89
PID 3332 wrote to memory of 2944	3332	7097df72f1d4129292caee5848d61c737417acbcdf4a1d77bc313129dc3c74e1.exe	92
PID 3332 wrote to memory of 2944	3332	7097df72f1d4129292caee5848d61c737417acbcdf4a1d77bc313129dc3c74e1.exe	92
PID 3332 wrote to memory of 2944	3332	7097df72f1d4129292caee5848d61c737417acbcdf4a1d77bc313129dc3c74e1.exe	92
PID 2944 wrote to memory of 2620	2944	cmd.exe	95
PID 2944 wrote to memory of 2620	2944	cmd.exe	95
PID 2944 wrote to memory of 2620	2944	cmd.exe	95
PID 3332 wrote to memory of 3064	3332	7097df72f1d4129292caee5848d61c737417acbcdf4a1d77bc313129dc3c74e1.exe	96
PID 3332 wrote to memory of 3064	3332	7097df72f1d4129292caee5848d61c737417acbcdf4a1d77bc313129dc3c74e1.exe	96
PID 3332 wrote to memory of 3064	3332	7097df72f1d4129292caee5848d61c737417acbcdf4a1d77bc313129dc3c74e1.exe	96
PID 3064 wrote to memory of 4692	3064	csrsll.exe	100
PID 3064 wrote to memory of 4692	3064	csrsll.exe	100
PID 3064 wrote to memory of 4692	3064	csrsll.exe	100
PID 3064 wrote to memory of 4692	3064	csrsll.exe	100
PID 3064 wrote to memory of 4692	3064	csrsll.exe	100
PID 3064 wrote to memory of 4692	3064	csrsll.exe	100
PID 3064 wrote to memory of 4692	3064	csrsll.exe	100
PID 3064 wrote to memory of 4692	3064	csrsll.exe	100
PID 3064 wrote to memory of 3292	3064	csrsll.exe	101
PID 3064 wrote to memory of 3292	3064	csrsll.exe	101
PID 3064 wrote to memory of 3292	3064	csrsll.exe	101
PID 3064 wrote to memory of 3292	3064	csrsll.exe	101
PID 3064 wrote to memory of 3292	3064	csrsll.exe	101
PID 3064 wrote to memory of 3292	3064	csrsll.exe	101
PID 3064 wrote to memory of 3292	3064	csrsll.exe	101
PID 3064 wrote to memory of 3292	3064	csrsll.exe	101

C:\Users\Admin\AppData\Local\Temp\7097df72f1d4129292caee5848d61c737417acbcdf4a1d77bc313129dc3c74e1.exe
"C:\Users\Admin\AppData\Local\Temp\7097df72f1d4129292caee5848d61c737417acbcdf4a1d77bc313129dc3c74e1.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4540
- C:\Users\Admin\AppData\Local\Temp\7097df72f1d4129292caee5848d61c737417acbcdf4a1d77bc313129dc3c74e1.exe
  "C:\Users\Admin\AppData\Local\Temp\7097df72f1d4129292caee5848d61c737417acbcdf4a1d77bc313129dc3c74e1.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3332
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\IUYVJ.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2944
  - - 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:2620
- - 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:3064
  - - 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:4692
  - - 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:3292

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\IUYVJ.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
326KB

MD5
9eb5f8e546686f419ef5afd2b1fdb1af

SHA1
feff756e2b8fdf34d58536ac357cafe6564611e1

SHA256
3446b32eb1f78740c8cd2bb554415df9e28dc4ef3cf11ee2243debe0eb9c47d3

SHA512
c4cf70f283b350ad52a0492532827f1388156c3de5f59d42aab1e7ae06ddc09c939470a5c757c3f0ddff40871d1f4445e981eecd876a8da9bc2853e3e62a6498

Download Submit
memory/3064-55-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/3064-40-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/3064-39-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/3292-59-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3292-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3292-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3292-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3292-49-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3292-44-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3332-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3332-38-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3332-12-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3332-11-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3332-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3332-56-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4540-10-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/4540-0-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/4540-6-0x00000000021F0000-0x00000000021F2000-memory.dmp

Filesize
8KB

Download
memory/4540-4-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/4540-5-0x00000000021E0000-0x00000000021E2000-memory.dmp

Filesize
8KB

Download
memory/4540-3-0x00000000021C0000-0x00000000021C2000-memory.dmp

Filesize
8KB

Download
memory/4692-58-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads