modiloader | e46add989c8a36cde6d6dbf579fdc57766c0ff9df256cad536b46abafce99a5c

Analysis

max time kernel
149s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
18-12-2024 19:46

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General

Target

e46add989c8a36cde6d6dbf579fdc57766c0ff9df256cad536b46abafce99a5c.exe
Size

90KB
MD5

4d2cbba552cd2c975bf4d1663315dc36
SHA1

a2b1357c29be79394193bd7c9d443cde67019aa2
SHA256

e46add989c8a36cde6d6dbf579fdc57766c0ff9df256cad536b46abafce99a5c
SHA512

a803e7554e2a6bb473317fbf33046e5936b5ccfab537b19ea40f2a7e58ebaadd7b1961458983aff75610a4bc98134f6678a9c3843702ddcb1f2ede9522dc6825
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDb: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 2 IoCs

resource	yara_rule
behavioral1/memory/960-251-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral1/memory/960-262-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
2688	csrsll.exe
2400	csrsll.exe
960	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
556	e46add989c8a36cde6d6dbf579fdc57766c0ff9df256cad536b46abafce99a5c.exe
556	e46add989c8a36cde6d6dbf579fdc57766c0ff9df256cad536b46abafce99a5c.exe
556	e46add989c8a36cde6d6dbf579fdc57766c0ff9df256cad536b46abafce99a5c.exe
556	e46add989c8a36cde6d6dbf579fdc57766c0ff9df256cad536b46abafce99a5c.exe
556	e46add989c8a36cde6d6dbf579fdc57766c0ff9df256cad536b46abafce99a5c.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-1-5-21-3533259084-2542256011-65585152-1000\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 2840 set thread context of 556	2840	e46add989c8a36cde6d6dbf579fdc57766c0ff9df256cad536b46abafce99a5c.exe	30
PID 2688 set thread context of 2400	2688	csrsll.exe	35
PID 2688 set thread context of 960	2688	csrsll.exe	36

UPX packed file 21 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2840-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2840-89-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/556-94-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/556-107-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2840-106-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/556-104-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/556-102-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/556-101-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/556-99-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/556-92-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2840-26-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/files/0x000c000000012029-132.dat	upx
behavioral1/memory/556-152-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/556-153-0x0000000002780000-0x00000000027D3000-memory.dmp	upx
behavioral1/memory/2688-214-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/556-211-0x0000000002780000-0x00000000027D3000-memory.dmp	upx
behavioral1/memory/960-251-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/2688-253-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/556-256-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2400-259-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/960-262-0x0000000000400000-0x0000000000414000-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	e46add989c8a36cde6d6dbf579fdc57766c0ff9df256cad536b46abafce99a5c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e46add989c8a36cde6d6dbf579fdc57766c0ff9df256cad536b46abafce99a5c.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

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2400	csrsll.exe
Token: SeDebugPrivilege	2400	csrsll.exe
Token: SeDebugPrivilege	2400	csrsll.exe
Token: SeDebugPrivilege	2400	csrsll.exe
Token: SeDebugPrivilege	2400	csrsll.exe
Token: SeDebugPrivilege	2400	csrsll.exe
Token: SeDebugPrivilege	2400	csrsll.exe
Token: SeDebugPrivilege	2400	csrsll.exe
Token: SeDebugPrivilege	2400	csrsll.exe
Token: SeDebugPrivilege	2400	csrsll.exe
Token: SeDebugPrivilege	2400	csrsll.exe
Token: SeDebugPrivilege	2400	csrsll.exe
Token: SeDebugPrivilege	2400	csrsll.exe
Token: SeDebugPrivilege	2400	csrsll.exe
Token: SeDebugPrivilege	2400	csrsll.exe
Token: SeDebugPrivilege	2400	csrsll.exe
Token: SeDebugPrivilege	2400	csrsll.exe
Token: SeDebugPrivilege	2400	csrsll.exe
Token: SeDebugPrivilege	2400	csrsll.exe
Token: SeDebugPrivilege	2400	csrsll.exe
Token: SeDebugPrivilege	2400	csrsll.exe
Token: SeDebugPrivilege	2400	csrsll.exe
Token: SeDebugPrivilege	2400	csrsll.exe
Token: SeDebugPrivilege	2400	csrsll.exe
Token: SeDebugPrivilege	2400	csrsll.exe
Token: SeDebugPrivilege	2400	csrsll.exe
Token: SeDebugPrivilege	2400	csrsll.exe
Token: SeDebugPrivilege	2400	csrsll.exe
Token: SeDebugPrivilege	2400	csrsll.exe
Token: SeDebugPrivilege	2400	csrsll.exe
Token: SeDebugPrivilege	2400	csrsll.exe
Token: SeDebugPrivilege	2400	csrsll.exe
Token: SeDebugPrivilege	2400	csrsll.exe
Token: SeDebugPrivilege	2400	csrsll.exe
Token: SeDebugPrivilege	2400	csrsll.exe
Token: SeDebugPrivilege	2400	csrsll.exe
Token: SeDebugPrivilege	2400	csrsll.exe
Token: SeDebugPrivilege	2400	csrsll.exe
Token: SeDebugPrivilege	2400	csrsll.exe
Token: SeDebugPrivilege	2400	csrsll.exe
Token: SeDebugPrivilege	2400	csrsll.exe
Token: SeDebugPrivilege	2400	csrsll.exe
Token: SeDebugPrivilege	2400	csrsll.exe
Token: SeDebugPrivilege	2400	csrsll.exe
Token: SeDebugPrivilege	2400	csrsll.exe
Token: SeDebugPrivilege	2400	csrsll.exe
Token: SeDebugPrivilege	2400	csrsll.exe
Token: SeDebugPrivilege	2400	csrsll.exe
Token: SeDebugPrivilege	2400	csrsll.exe
Token: SeDebugPrivilege	2400	csrsll.exe
Token: SeDebugPrivilege	2400	csrsll.exe
Token: SeDebugPrivilege	2400	csrsll.exe
Token: SeDebugPrivilege	2400	csrsll.exe
Token: SeDebugPrivilege	2400	csrsll.exe
Token: SeDebugPrivilege	2400	csrsll.exe
Token: SeDebugPrivilege	2400	csrsll.exe
Token: SeDebugPrivilege	2400	csrsll.exe
Token: SeDebugPrivilege	2400	csrsll.exe
Token: SeDebugPrivilege	2400	csrsll.exe
Token: SeDebugPrivilege	2400	csrsll.exe
Token: SeDebugPrivilege	2400	csrsll.exe
Token: SeDebugPrivilege	2400	csrsll.exe
Token: SeDebugPrivilege	2400	csrsll.exe
Token: SeDebugPrivilege	2400	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2840	e46add989c8a36cde6d6dbf579fdc57766c0ff9df256cad536b46abafce99a5c.exe
556	e46add989c8a36cde6d6dbf579fdc57766c0ff9df256cad536b46abafce99a5c.exe
2688	csrsll.exe
2400	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2840 wrote to memory of 556	2840	e46add989c8a36cde6d6dbf579fdc57766c0ff9df256cad536b46abafce99a5c.exe	30
PID 2840 wrote to memory of 556	2840	e46add989c8a36cde6d6dbf579fdc57766c0ff9df256cad536b46abafce99a5c.exe	30
PID 2840 wrote to memory of 556	2840	e46add989c8a36cde6d6dbf579fdc57766c0ff9df256cad536b46abafce99a5c.exe	30
PID 2840 wrote to memory of 556	2840	e46add989c8a36cde6d6dbf579fdc57766c0ff9df256cad536b46abafce99a5c.exe	30
PID 2840 wrote to memory of 556	2840	e46add989c8a36cde6d6dbf579fdc57766c0ff9df256cad536b46abafce99a5c.exe	30
PID 2840 wrote to memory of 556	2840	e46add989c8a36cde6d6dbf579fdc57766c0ff9df256cad536b46abafce99a5c.exe	30
PID 2840 wrote to memory of 556	2840	e46add989c8a36cde6d6dbf579fdc57766c0ff9df256cad536b46abafce99a5c.exe	30
PID 2840 wrote to memory of 556	2840	e46add989c8a36cde6d6dbf579fdc57766c0ff9df256cad536b46abafce99a5c.exe	30
PID 556 wrote to memory of 2964	556	e46add989c8a36cde6d6dbf579fdc57766c0ff9df256cad536b46abafce99a5c.exe	31
PID 556 wrote to memory of 2964	556	e46add989c8a36cde6d6dbf579fdc57766c0ff9df256cad536b46abafce99a5c.exe	31
PID 556 wrote to memory of 2964	556	e46add989c8a36cde6d6dbf579fdc57766c0ff9df256cad536b46abafce99a5c.exe	31
PID 556 wrote to memory of 2964	556	e46add989c8a36cde6d6dbf579fdc57766c0ff9df256cad536b46abafce99a5c.exe	31
PID 2964 wrote to memory of 2308	2964	cmd.exe	33
PID 2964 wrote to memory of 2308	2964	cmd.exe	33
PID 2964 wrote to memory of 2308	2964	cmd.exe	33
PID 2964 wrote to memory of 2308	2964	cmd.exe	33
PID 556 wrote to memory of 2688	556	e46add989c8a36cde6d6dbf579fdc57766c0ff9df256cad536b46abafce99a5c.exe	34
PID 556 wrote to memory of 2688	556	e46add989c8a36cde6d6dbf579fdc57766c0ff9df256cad536b46abafce99a5c.exe	34
PID 556 wrote to memory of 2688	556	e46add989c8a36cde6d6dbf579fdc57766c0ff9df256cad536b46abafce99a5c.exe	34
PID 556 wrote to memory of 2688	556	e46add989c8a36cde6d6dbf579fdc57766c0ff9df256cad536b46abafce99a5c.exe	34
PID 2688 wrote to memory of 2400	2688	csrsll.exe	35
PID 2688 wrote to memory of 2400	2688	csrsll.exe	35
PID 2688 wrote to memory of 2400	2688	csrsll.exe	35
PID 2688 wrote to memory of 2400	2688	csrsll.exe	35
PID 2688 wrote to memory of 2400	2688	csrsll.exe	35
PID 2688 wrote to memory of 2400	2688	csrsll.exe	35
PID 2688 wrote to memory of 2400	2688	csrsll.exe	35
PID 2688 wrote to memory of 2400	2688	csrsll.exe	35
PID 2688 wrote to memory of 960	2688	csrsll.exe	36
PID 2688 wrote to memory of 960	2688	csrsll.exe	36
PID 2688 wrote to memory of 960	2688	csrsll.exe	36
PID 2688 wrote to memory of 960	2688	csrsll.exe	36
PID 2688 wrote to memory of 960	2688	csrsll.exe	36
PID 2688 wrote to memory of 960	2688	csrsll.exe	36
PID 2688 wrote to memory of 960	2688	csrsll.exe	36
PID 2688 wrote to memory of 960	2688	csrsll.exe	36

C:\Users\Admin\AppData\Local\Temp\e46add989c8a36cde6d6dbf579fdc57766c0ff9df256cad536b46abafce99a5c.exe
"C:\Users\Admin\AppData\Local\Temp\e46add989c8a36cde6d6dbf579fdc57766c0ff9df256cad536b46abafce99a5c.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2840
- C:\Users\Admin\AppData\Local\Temp\e46add989c8a36cde6d6dbf579fdc57766c0ff9df256cad536b46abafce99a5c.exe
  "C:\Users\Admin\AppData\Local\Temp\e46add989c8a36cde6d6dbf579fdc57766c0ff9df256cad536b46abafce99a5c.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:556
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\DYVUY.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2964
  - - 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:2308
- - 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:2688
  - - 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:2400
  - - 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:960

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

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\DYVUY.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
e3dab2c5a393a057eb71d1343e56d5c5

SHA1
b94eaf34ae25a87445c7dfe6204dc4cc40e2f55f

SHA256
975f5cf024ff83a98d8d28b925d623706a983a67111f0b884233ee367f5943e2

SHA512
90626ad62d0b7c06e92f70e71ba985de7f54e5006e0acd710592ff1f917265d0cc72e30d56502d1892e5918da8ecb5b285864f7e3f7e5dcd97b572386c8bcd84

Download Submit
memory/556-99-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/556-101-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/556-92-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/556-90-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/556-153-0x0000000002780000-0x00000000027D3000-memory.dmp

Filesize
332KB

Download
memory/556-94-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/556-97-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/556-107-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/556-232-0x0000000002780000-0x00000000027D3000-memory.dmp

Filesize
332KB

Download
memory/556-104-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/556-102-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/556-148-0x0000000002780000-0x00000000027D3000-memory.dmp

Filesize
332KB

Download
memory/556-146-0x0000000002780000-0x00000000027D3000-memory.dmp

Filesize
332KB

Download
memory/556-256-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/556-250-0x0000000002780000-0x00000000027D3000-memory.dmp

Filesize
332KB

Download
memory/556-152-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/556-211-0x0000000002780000-0x00000000027D3000-memory.dmp

Filesize
332KB

Download
memory/556-147-0x0000000002780000-0x00000000027D3000-memory.dmp

Filesize
332KB

Download
memory/960-262-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/960-251-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2400-259-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2688-253-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2688-156-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/2688-177-0x00000000003F0000-0x00000000003F1000-memory.dmp

Filesize
4KB

Download
memory/2688-214-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2688-166-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/2840-106-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2840-26-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2840-29-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/2840-41-0x00000000002A0000-0x00000000002A1000-memory.dmp

Filesize
4KB

Download
memory/2840-61-0x00000000003E0000-0x00000000003E1000-memory.dmp

Filesize
4KB

Download
memory/2840-71-0x00000000004D0000-0x00000000004D1000-memory.dmp

Filesize
4KB

Download
memory/2840-79-0x00000000004F0000-0x00000000004F2000-memory.dmp

Filesize
8KB

Download
memory/2840-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2840-96-0x0000000002530000-0x0000000002583000-memory.dmp

Filesize
332KB

Download
memory/2840-89-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2840-18-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/2840-15-0x00000000001E0000-0x00000000001E1000-memory.dmp

Filesize
4KB

Download
memory/2840-3-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/2840-5-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads