modiloader | 70d534915b0d8e416473310067ff7b664839210d29b9ea20c62ddac065762e65

Analysis

max time kernel
150s
max time network
30s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
19-01-2025 02:49

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General

Target

70d534915b0d8e416473310067ff7b664839210d29b9ea20c62ddac065762e65.exe
Size

90KB
MD5

87180aef35e128c5960274d8a722a327
SHA1

0de2de5b117613474f9a063de8f41cfdfc358889
SHA256

70d534915b0d8e416473310067ff7b664839210d29b9ea20c62ddac065762e65
SHA512

e7c8e78c905e16b3afa76179dc5be2f5aae673be531b99b793aae99524c4598312f1a15ec50d6c2313a4749c3da3b82b493dc5b10f1b91355e3944465566a904
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDm:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE38

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/2252-264-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
912	csrsll.exe
2636	csrsll.exe
2252	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
1920	70d534915b0d8e416473310067ff7b664839210d29b9ea20c62ddac065762e65.exe
1920	70d534915b0d8e416473310067ff7b664839210d29b9ea20c62ddac065762e65.exe
1920	70d534915b0d8e416473310067ff7b664839210d29b9ea20c62ddac065762e65.exe
1920	70d534915b0d8e416473310067ff7b664839210d29b9ea20c62ddac065762e65.exe
1920	70d534915b0d8e416473310067ff7b664839210d29b9ea20c62ddac065762e65.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 2600 set thread context of 1920	2600	70d534915b0d8e416473310067ff7b664839210d29b9ea20c62ddac065762e65.exe	29
PID 912 set thread context of 2636	912	csrsll.exe	34
PID 912 set thread context of 2252	912	csrsll.exe	35

UPX packed file 25 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2600-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2600-4-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2600-65-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2600-93-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2600-86-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2600-83-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1920-98-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1920-96-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1920-103-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1920-105-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1920-108-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2600-110-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1920-106-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x000a000000012238-135.dat	upx
behavioral1/memory/912-151-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1920-154-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/912-215-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/912-214-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/912-173-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2636-244-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2252-251-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/912-257-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1920-260-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2636-261-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2252-264-0x0000000000400000-0x0000000000414000-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	70d534915b0d8e416473310067ff7b664839210d29b9ea20c62ddac065762e65.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	70d534915b0d8e416473310067ff7b664839210d29b9ea20c62ddac065762e65.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

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2636	csrsll.exe
Token: SeDebugPrivilege	2636	csrsll.exe
Token: SeDebugPrivilege	2636	csrsll.exe
Token: SeDebugPrivilege	2636	csrsll.exe
Token: SeDebugPrivilege	2636	csrsll.exe
Token: SeDebugPrivilege	2636	csrsll.exe
Token: SeDebugPrivilege	2636	csrsll.exe
Token: SeDebugPrivilege	2636	csrsll.exe
Token: SeDebugPrivilege	2636	csrsll.exe
Token: SeDebugPrivilege	2636	csrsll.exe
Token: SeDebugPrivilege	2636	csrsll.exe
Token: SeDebugPrivilege	2636	csrsll.exe
Token: SeDebugPrivilege	2636	csrsll.exe
Token: SeDebugPrivilege	2636	csrsll.exe
Token: SeDebugPrivilege	2636	csrsll.exe
Token: SeDebugPrivilege	2636	csrsll.exe
Token: SeDebugPrivilege	2636	csrsll.exe
Token: SeDebugPrivilege	2636	csrsll.exe
Token: SeDebugPrivilege	2636	csrsll.exe
Token: SeDebugPrivilege	2636	csrsll.exe
Token: SeDebugPrivilege	2636	csrsll.exe
Token: SeDebugPrivilege	2636	csrsll.exe
Token: SeDebugPrivilege	2636	csrsll.exe
Token: SeDebugPrivilege	2636	csrsll.exe
Token: SeDebugPrivilege	2636	csrsll.exe
Token: SeDebugPrivilege	2636	csrsll.exe
Token: SeDebugPrivilege	2636	csrsll.exe
Token: SeDebugPrivilege	2636	csrsll.exe
Token: SeDebugPrivilege	2636	csrsll.exe
Token: SeDebugPrivilege	2636	csrsll.exe
Token: SeDebugPrivilege	2636	csrsll.exe
Token: SeDebugPrivilege	2636	csrsll.exe
Token: SeDebugPrivilege	2636	csrsll.exe
Token: SeDebugPrivilege	2636	csrsll.exe
Token: SeDebugPrivilege	2636	csrsll.exe
Token: SeDebugPrivilege	2636	csrsll.exe
Token: SeDebugPrivilege	2636	csrsll.exe
Token: SeDebugPrivilege	2636	csrsll.exe
Token: SeDebugPrivilege	2636	csrsll.exe
Token: SeDebugPrivilege	2636	csrsll.exe
Token: SeDebugPrivilege	2636	csrsll.exe
Token: SeDebugPrivilege	2636	csrsll.exe
Token: SeDebugPrivilege	2636	csrsll.exe
Token: SeDebugPrivilege	2636	csrsll.exe
Token: SeDebugPrivilege	2636	csrsll.exe
Token: SeDebugPrivilege	2636	csrsll.exe
Token: SeDebugPrivilege	2636	csrsll.exe
Token: SeDebugPrivilege	2636	csrsll.exe
Token: SeDebugPrivilege	2636	csrsll.exe
Token: SeDebugPrivilege	2636	csrsll.exe
Token: SeDebugPrivilege	2636	csrsll.exe
Token: SeDebugPrivilege	2636	csrsll.exe
Token: SeDebugPrivilege	2636	csrsll.exe
Token: SeDebugPrivilege	2636	csrsll.exe
Token: SeDebugPrivilege	2636	csrsll.exe
Token: SeDebugPrivilege	2636	csrsll.exe
Token: SeDebugPrivilege	2636	csrsll.exe
Token: SeDebugPrivilege	2636	csrsll.exe
Token: SeDebugPrivilege	2636	csrsll.exe
Token: SeDebugPrivilege	2636	csrsll.exe
Token: SeDebugPrivilege	2636	csrsll.exe
Token: SeDebugPrivilege	2636	csrsll.exe
Token: SeDebugPrivilege	2636	csrsll.exe
Token: SeDebugPrivilege	2636	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2600	70d534915b0d8e416473310067ff7b664839210d29b9ea20c62ddac065762e65.exe
1920	70d534915b0d8e416473310067ff7b664839210d29b9ea20c62ddac065762e65.exe
912	csrsll.exe
2636	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2600 wrote to memory of 1920	2600	70d534915b0d8e416473310067ff7b664839210d29b9ea20c62ddac065762e65.exe	29
PID 2600 wrote to memory of 1920	2600	70d534915b0d8e416473310067ff7b664839210d29b9ea20c62ddac065762e65.exe	29
PID 2600 wrote to memory of 1920	2600	70d534915b0d8e416473310067ff7b664839210d29b9ea20c62ddac065762e65.exe	29
PID 2600 wrote to memory of 1920	2600	70d534915b0d8e416473310067ff7b664839210d29b9ea20c62ddac065762e65.exe	29
PID 2600 wrote to memory of 1920	2600	70d534915b0d8e416473310067ff7b664839210d29b9ea20c62ddac065762e65.exe	29
PID 2600 wrote to memory of 1920	2600	70d534915b0d8e416473310067ff7b664839210d29b9ea20c62ddac065762e65.exe	29
PID 2600 wrote to memory of 1920	2600	70d534915b0d8e416473310067ff7b664839210d29b9ea20c62ddac065762e65.exe	29
PID 2600 wrote to memory of 1920	2600	70d534915b0d8e416473310067ff7b664839210d29b9ea20c62ddac065762e65.exe	29
PID 1920 wrote to memory of 2036	1920	70d534915b0d8e416473310067ff7b664839210d29b9ea20c62ddac065762e65.exe	30
PID 1920 wrote to memory of 2036	1920	70d534915b0d8e416473310067ff7b664839210d29b9ea20c62ddac065762e65.exe	30
PID 1920 wrote to memory of 2036	1920	70d534915b0d8e416473310067ff7b664839210d29b9ea20c62ddac065762e65.exe	30
PID 1920 wrote to memory of 2036	1920	70d534915b0d8e416473310067ff7b664839210d29b9ea20c62ddac065762e65.exe	30
PID 2036 wrote to memory of 1728	2036	cmd.exe	32
PID 2036 wrote to memory of 1728	2036	cmd.exe	32
PID 2036 wrote to memory of 1728	2036	cmd.exe	32
PID 2036 wrote to memory of 1728	2036	cmd.exe	32
PID 1920 wrote to memory of 912	1920	70d534915b0d8e416473310067ff7b664839210d29b9ea20c62ddac065762e65.exe	33
PID 1920 wrote to memory of 912	1920	70d534915b0d8e416473310067ff7b664839210d29b9ea20c62ddac065762e65.exe	33
PID 1920 wrote to memory of 912	1920	70d534915b0d8e416473310067ff7b664839210d29b9ea20c62ddac065762e65.exe	33
PID 1920 wrote to memory of 912	1920	70d534915b0d8e416473310067ff7b664839210d29b9ea20c62ddac065762e65.exe	33
PID 912 wrote to memory of 2636	912	csrsll.exe	34
PID 912 wrote to memory of 2636	912	csrsll.exe	34
PID 912 wrote to memory of 2636	912	csrsll.exe	34
PID 912 wrote to memory of 2636	912	csrsll.exe	34
PID 912 wrote to memory of 2636	912	csrsll.exe	34
PID 912 wrote to memory of 2636	912	csrsll.exe	34
PID 912 wrote to memory of 2636	912	csrsll.exe	34
PID 912 wrote to memory of 2636	912	csrsll.exe	34
PID 912 wrote to memory of 2252	912	csrsll.exe	35
PID 912 wrote to memory of 2252	912	csrsll.exe	35
PID 912 wrote to memory of 2252	912	csrsll.exe	35
PID 912 wrote to memory of 2252	912	csrsll.exe	35
PID 912 wrote to memory of 2252	912	csrsll.exe	35
PID 912 wrote to memory of 2252	912	csrsll.exe	35
PID 912 wrote to memory of 2252	912	csrsll.exe	35
PID 912 wrote to memory of 2252	912	csrsll.exe	35

C:\Users\Admin\AppData\Local\Temp\70d534915b0d8e416473310067ff7b664839210d29b9ea20c62ddac065762e65.exe
"C:\Users\Admin\AppData\Local\Temp\70d534915b0d8e416473310067ff7b664839210d29b9ea20c62ddac065762e65.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2600
- C:\Users\Admin\AppData\Local\Temp\70d534915b0d8e416473310067ff7b664839210d29b9ea20c62ddac065762e65.exe
  "C:\Users\Admin\AppData\Local\Temp\70d534915b0d8e416473310067ff7b664839210d29b9ea20c62ddac065762e65.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1920
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\VRFSD.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2036
  - - 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:1728
- - 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:912
  - - 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:2636
  - - 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:2252

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\VRFSD.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
937934dae8825b5d6a67dad430dca508

SHA1
cfd8d04c9d29b16e84fb68fcdbcd3cc520a0cdff

SHA256
839fff890de1ea0310e155e96d5616c7f479ae14f67db921c4e00ed0669cf905

SHA512
9de52f2afb81f365f5293581030b0d95c510d7493dc3f186c27c6e4fa89ec2d89f3ae24cb2fd7742bdc5caa9ace1ad9bf77a525b31e01a22f7450ddd22e21de2

Download Submit
memory/912-257-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/912-173-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/912-180-0x00000000002F0000-0x00000000002F1000-memory.dmp

Filesize
4KB

Download
memory/912-214-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/912-215-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/912-168-0x00000000002D0000-0x00000000002D1000-memory.dmp

Filesize
4KB

Download
memory/912-158-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/912-151-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1920-105-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1920-106-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1920-260-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1920-154-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1920-98-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1920-96-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1920-94-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1920-103-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1920-143-0x0000000002C10000-0x0000000002C63000-memory.dmp

Filesize
332KB

Download
memory/1920-108-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1920-101-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2252-264-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2252-251-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2600-73-0x0000000001CC0000-0x0000000001CC1000-memory.dmp

Filesize
4KB

Download
memory/2600-17-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/2600-93-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2600-30-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/2600-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2600-62-0x0000000001CA0000-0x0000000001CA1000-memory.dmp

Filesize
4KB

Download
memory/2600-100-0x0000000002750000-0x00000000027A3000-memory.dmp

Filesize
332KB

Download
memory/2600-65-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2600-42-0x0000000001BE0000-0x0000000001BE1000-memory.dmp

Filesize
4KB

Download
memory/2600-110-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2600-18-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/2600-5-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/2600-7-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/2600-86-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2600-81-0x0000000001CF0000-0x0000000001CF2000-memory.dmp

Filesize
8KB

Download
memory/2600-4-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2600-83-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2636-261-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2636-244-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads