modiloader | 5a9fd2a008f3c66b93ca29231fe9174706633213916181339dc931d77c6f657a

Analysis

max time kernel
119s
max time network
28s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
19/12/2024, 03:38

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General

Target

5a9fd2a008f3c66b93ca29231fe9174706633213916181339dc931d77c6f657aN.exe
Size

90KB
MD5

7634597dda3726e1d3d1a7e13359e420
SHA1

a640416e0ef343ac391db65f78b2c31f00cd2f88
SHA256

5a9fd2a008f3c66b93ca29231fe9174706633213916181339dc931d77c6f657a
SHA512

fff7e7fd5c388f1cc933d7dfc112135114fb1839aca91fe6bfd966cc68d6b521a69ad3f2287c50f3816bc4f52c4985d3b7f6b843a8ff1d842d24e9c507b90494
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 1 IoCs

resource	yara_rule
behavioral1/memory/2492-261-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
316	csrsll.exe
832	csrsll.exe
2492	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
2676	5a9fd2a008f3c66b93ca29231fe9174706633213916181339dc931d77c6f657aN.exe
2676	5a9fd2a008f3c66b93ca29231fe9174706633213916181339dc931d77c6f657aN.exe
2676	5a9fd2a008f3c66b93ca29231fe9174706633213916181339dc931d77c6f657aN.exe
2676	5a9fd2a008f3c66b93ca29231fe9174706633213916181339dc931d77c6f657aN.exe
2676	5a9fd2a008f3c66b93ca29231fe9174706633213916181339dc931d77c6f657aN.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-1-5-21-3692679935-4019334568-335155002-1000\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 2220 set thread context of 2676	2220	5a9fd2a008f3c66b93ca29231fe9174706633213916181339dc931d77c6f657aN.exe	29
PID 316 set thread context of 832	316	csrsll.exe	34
PID 316 set thread context of 2492	316	csrsll.exe	35

UPX packed file 23 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2220-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2220-90-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2220-83-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2676-102-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2220-104-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2676-107-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2676-98-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2676-96-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2220-93-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2220-82-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2220-80-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2676-110-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2676-108-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2220-25-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/files/0x0029000000016fe5-139.dat	upx
behavioral1/memory/2676-137-0x0000000002640000-0x0000000002693000-memory.dmp	upx
behavioral1/memory/2676-157-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/316-162-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/316-220-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2492-261-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/2676-264-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/316-260-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/832-265-0x0000000000400000-0x000000000040B000-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	5a9fd2a008f3c66b93ca29231fe9174706633213916181339dc931d77c6f657aN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5a9fd2a008f3c66b93ca29231fe9174706633213916181339dc931d77c6f657aN.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 63 IoCs

description	pid	Process
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe
Token: SeDebugPrivilege	832	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2220	5a9fd2a008f3c66b93ca29231fe9174706633213916181339dc931d77c6f657aN.exe
2676	5a9fd2a008f3c66b93ca29231fe9174706633213916181339dc931d77c6f657aN.exe
316	csrsll.exe
832	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2220 wrote to memory of 2676	2220	5a9fd2a008f3c66b93ca29231fe9174706633213916181339dc931d77c6f657aN.exe	29
PID 2220 wrote to memory of 2676	2220	5a9fd2a008f3c66b93ca29231fe9174706633213916181339dc931d77c6f657aN.exe	29
PID 2220 wrote to memory of 2676	2220	5a9fd2a008f3c66b93ca29231fe9174706633213916181339dc931d77c6f657aN.exe	29
PID 2220 wrote to memory of 2676	2220	5a9fd2a008f3c66b93ca29231fe9174706633213916181339dc931d77c6f657aN.exe	29
PID 2220 wrote to memory of 2676	2220	5a9fd2a008f3c66b93ca29231fe9174706633213916181339dc931d77c6f657aN.exe	29
PID 2220 wrote to memory of 2676	2220	5a9fd2a008f3c66b93ca29231fe9174706633213916181339dc931d77c6f657aN.exe	29
PID 2220 wrote to memory of 2676	2220	5a9fd2a008f3c66b93ca29231fe9174706633213916181339dc931d77c6f657aN.exe	29
PID 2220 wrote to memory of 2676	2220	5a9fd2a008f3c66b93ca29231fe9174706633213916181339dc931d77c6f657aN.exe	29
PID 2676 wrote to memory of 2932	2676	5a9fd2a008f3c66b93ca29231fe9174706633213916181339dc931d77c6f657aN.exe	30
PID 2676 wrote to memory of 2932	2676	5a9fd2a008f3c66b93ca29231fe9174706633213916181339dc931d77c6f657aN.exe	30
PID 2676 wrote to memory of 2932	2676	5a9fd2a008f3c66b93ca29231fe9174706633213916181339dc931d77c6f657aN.exe	30
PID 2676 wrote to memory of 2932	2676	5a9fd2a008f3c66b93ca29231fe9174706633213916181339dc931d77c6f657aN.exe	30
PID 2932 wrote to memory of 1320	2932	cmd.exe	32
PID 2932 wrote to memory of 1320	2932	cmd.exe	32
PID 2932 wrote to memory of 1320	2932	cmd.exe	32
PID 2932 wrote to memory of 1320	2932	cmd.exe	32
PID 2676 wrote to memory of 316	2676	5a9fd2a008f3c66b93ca29231fe9174706633213916181339dc931d77c6f657aN.exe	33
PID 2676 wrote to memory of 316	2676	5a9fd2a008f3c66b93ca29231fe9174706633213916181339dc931d77c6f657aN.exe	33
PID 2676 wrote to memory of 316	2676	5a9fd2a008f3c66b93ca29231fe9174706633213916181339dc931d77c6f657aN.exe	33
PID 2676 wrote to memory of 316	2676	5a9fd2a008f3c66b93ca29231fe9174706633213916181339dc931d77c6f657aN.exe	33
PID 316 wrote to memory of 832	316	csrsll.exe	34
PID 316 wrote to memory of 832	316	csrsll.exe	34
PID 316 wrote to memory of 832	316	csrsll.exe	34
PID 316 wrote to memory of 832	316	csrsll.exe	34
PID 316 wrote to memory of 832	316	csrsll.exe	34
PID 316 wrote to memory of 832	316	csrsll.exe	34
PID 316 wrote to memory of 832	316	csrsll.exe	34
PID 316 wrote to memory of 832	316	csrsll.exe	34
PID 316 wrote to memory of 2492	316	csrsll.exe	35
PID 316 wrote to memory of 2492	316	csrsll.exe	35
PID 316 wrote to memory of 2492	316	csrsll.exe	35
PID 316 wrote to memory of 2492	316	csrsll.exe	35
PID 316 wrote to memory of 2492	316	csrsll.exe	35
PID 316 wrote to memory of 2492	316	csrsll.exe	35
PID 316 wrote to memory of 2492	316	csrsll.exe	35
PID 316 wrote to memory of 2492	316	csrsll.exe	35

C:\Users\Admin\AppData\Local\Temp\5a9fd2a008f3c66b93ca29231fe9174706633213916181339dc931d77c6f657aN.exe
"C:\Users\Admin\AppData\Local\Temp\5a9fd2a008f3c66b93ca29231fe9174706633213916181339dc931d77c6f657aN.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2220
- C:\Users\Admin\AppData\Local\Temp\5a9fd2a008f3c66b93ca29231fe9174706633213916181339dc931d77c6f657aN.exe
  "C:\Users\Admin\AppData\Local\Temp\5a9fd2a008f3c66b93ca29231fe9174706633213916181339dc931d77c6f657aN.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2676
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\MKOJR.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2932
  - - 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:1320
- - 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:316
  - - 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:832
  - - 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:2492

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

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Downloads

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

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
2f0f1155a9650ca43a06672c40f3042f

SHA1
f73b5e43d9428acee0f5e7bbcc40a94b054f93e8

SHA256
a903989116dab509ccda49c1848a921ea72c543862c87c30d0bf097551e77728

SHA512
72f66bbe1288ef5de6e1f943fdd9b32d21262e0b005078ae4e0adcaa70de81a38dbaf4751f6e447d341214651e45cf7432ae7455aca89be6e7cac8b44640121b

Download Submit
memory/316-260-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/316-165-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/316-175-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/316-186-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/316-162-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/316-220-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/832-265-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2220-78-0x0000000000360000-0x0000000000362000-memory.dmp

Filesize
8KB

Download
memory/2220-90-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2220-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2220-83-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2220-93-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2220-82-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2220-81-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/2220-80-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2220-104-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2220-3-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/2220-70-0x0000000000340000-0x0000000000341000-memory.dmp

Filesize
4KB

Download
memory/2220-5-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/2220-60-0x0000000000320000-0x0000000000321000-memory.dmp

Filesize
4KB

Download
memory/2220-40-0x00000000002D0000-0x00000000002D1000-memory.dmp

Filesize
4KB

Download
memory/2220-28-0x00000000002B0000-0x00000000002B1000-memory.dmp

Filesize
4KB

Download
memory/2220-25-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2220-15-0x0000000000290000-0x0000000000291000-memory.dmp

Filesize
4KB

Download
memory/2492-261-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2676-96-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2676-152-0x0000000002640000-0x0000000002693000-memory.dmp

Filesize
332KB

Download
memory/2676-150-0x0000000002640000-0x0000000002693000-memory.dmp

Filesize
332KB

Download
memory/2676-151-0x0000000002640000-0x0000000002693000-memory.dmp

Filesize
332KB

Download
memory/2676-137-0x0000000002640000-0x0000000002693000-memory.dmp

Filesize
332KB

Download
memory/2676-157-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2676-160-0x0000000002640000-0x0000000002693000-memory.dmp

Filesize
332KB

Download
memory/2676-159-0x0000000002640000-0x0000000002693000-memory.dmp

Filesize
332KB

Download
memory/2676-153-0x0000000002640000-0x0000000002693000-memory.dmp

Filesize
332KB

Download
memory/2676-108-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2676-110-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2676-94-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2676-98-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2676-100-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2676-264-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2676-107-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2676-102-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads