modiloader | 3e9e906c7d4bcfcd6788707274a1e5c4fbd3cb2b3852036d8991625344c70b96

Analysis

max time kernel
150s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04-11-2024 21:41

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General

Target

3e9e906c7d4bcfcd6788707274a1e5c4fbd3cb2b3852036d8991625344c70b96.exe
Size

90KB
MD5

a5787ade70af761d0a1b98d4496924c7
SHA1

c5a5e3da5eebf8c769c5a5affe5d69f4f331774b
SHA256

3e9e906c7d4bcfcd6788707274a1e5c4fbd3cb2b3852036d8991625344c70b96
SHA512

ee0be0c70937aef2096f09f10b37f88dccf50d04a44122c7cfb6570f08b7bf7695148e71aafca65c55983d37bef2d08a8bc7f7f37173acaf9fac8410d281e657
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 2 IoCs

resource	yara_rule
behavioral1/memory/1672-252-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral1/memory/1672-258-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
1288	csrsll.exe
944	csrsll.exe
1672	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
2616	3e9e906c7d4bcfcd6788707274a1e5c4fbd3cb2b3852036d8991625344c70b96.exe
2616	3e9e906c7d4bcfcd6788707274a1e5c4fbd3cb2b3852036d8991625344c70b96.exe
2616	3e9e906c7d4bcfcd6788707274a1e5c4fbd3cb2b3852036d8991625344c70b96.exe
2616	3e9e906c7d4bcfcd6788707274a1e5c4fbd3cb2b3852036d8991625344c70b96.exe
2616	3e9e906c7d4bcfcd6788707274a1e5c4fbd3cb2b3852036d8991625344c70b96.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-1-5-21-1488793075-819845221-1497111674-1000\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 1652 set thread context of 2616	1652	3e9e906c7d4bcfcd6788707274a1e5c4fbd3cb2b3852036d8991625344c70b96.exe	31
PID 1288 set thread context of 944	1288	csrsll.exe	36
PID 1288 set thread context of 1672	1288	csrsll.exe	37

UPX packed file 21 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1652-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1652-89-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1652-104-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2616-102-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2616-101-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2616-100-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2616-98-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2616-94-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2616-92-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1652-26-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/files/0x000a000000016d47-129.dat	upx
behavioral1/memory/2616-131-0x0000000003100000-0x0000000003153000-memory.dmp	upx
behavioral1/memory/1288-147-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2616-150-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1288-244-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2616-247-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1288-220-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1672-252-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/944-251-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/944-257-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1672-258-0x0000000000400000-0x0000000000414000-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	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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3e9e906c7d4bcfcd6788707274a1e5c4fbd3cb2b3852036d8991625344c70b96.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3e9e906c7d4bcfcd6788707274a1e5c4fbd3cb2b3852036d8991625344c70b96.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe
Token: SeDebugPrivilege	944	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1652	3e9e906c7d4bcfcd6788707274a1e5c4fbd3cb2b3852036d8991625344c70b96.exe
2616	3e9e906c7d4bcfcd6788707274a1e5c4fbd3cb2b3852036d8991625344c70b96.exe
1288	csrsll.exe
944	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 1652 wrote to memory of 2616	1652	3e9e906c7d4bcfcd6788707274a1e5c4fbd3cb2b3852036d8991625344c70b96.exe	31
PID 1652 wrote to memory of 2616	1652	3e9e906c7d4bcfcd6788707274a1e5c4fbd3cb2b3852036d8991625344c70b96.exe	31
PID 1652 wrote to memory of 2616	1652	3e9e906c7d4bcfcd6788707274a1e5c4fbd3cb2b3852036d8991625344c70b96.exe	31
PID 1652 wrote to memory of 2616	1652	3e9e906c7d4bcfcd6788707274a1e5c4fbd3cb2b3852036d8991625344c70b96.exe	31
PID 1652 wrote to memory of 2616	1652	3e9e906c7d4bcfcd6788707274a1e5c4fbd3cb2b3852036d8991625344c70b96.exe	31
PID 1652 wrote to memory of 2616	1652	3e9e906c7d4bcfcd6788707274a1e5c4fbd3cb2b3852036d8991625344c70b96.exe	31
PID 1652 wrote to memory of 2616	1652	3e9e906c7d4bcfcd6788707274a1e5c4fbd3cb2b3852036d8991625344c70b96.exe	31
PID 1652 wrote to memory of 2616	1652	3e9e906c7d4bcfcd6788707274a1e5c4fbd3cb2b3852036d8991625344c70b96.exe	31
PID 2616 wrote to memory of 2832	2616	3e9e906c7d4bcfcd6788707274a1e5c4fbd3cb2b3852036d8991625344c70b96.exe	32
PID 2616 wrote to memory of 2832	2616	3e9e906c7d4bcfcd6788707274a1e5c4fbd3cb2b3852036d8991625344c70b96.exe	32
PID 2616 wrote to memory of 2832	2616	3e9e906c7d4bcfcd6788707274a1e5c4fbd3cb2b3852036d8991625344c70b96.exe	32
PID 2616 wrote to memory of 2832	2616	3e9e906c7d4bcfcd6788707274a1e5c4fbd3cb2b3852036d8991625344c70b96.exe	32
PID 2832 wrote to memory of 2152	2832	cmd.exe	34
PID 2832 wrote to memory of 2152	2832	cmd.exe	34
PID 2832 wrote to memory of 2152	2832	cmd.exe	34
PID 2832 wrote to memory of 2152	2832	cmd.exe	34
PID 2616 wrote to memory of 1288	2616	3e9e906c7d4bcfcd6788707274a1e5c4fbd3cb2b3852036d8991625344c70b96.exe	35
PID 2616 wrote to memory of 1288	2616	3e9e906c7d4bcfcd6788707274a1e5c4fbd3cb2b3852036d8991625344c70b96.exe	35
PID 2616 wrote to memory of 1288	2616	3e9e906c7d4bcfcd6788707274a1e5c4fbd3cb2b3852036d8991625344c70b96.exe	35
PID 2616 wrote to memory of 1288	2616	3e9e906c7d4bcfcd6788707274a1e5c4fbd3cb2b3852036d8991625344c70b96.exe	35
PID 1288 wrote to memory of 944	1288	csrsll.exe	36
PID 1288 wrote to memory of 944	1288	csrsll.exe	36
PID 1288 wrote to memory of 944	1288	csrsll.exe	36
PID 1288 wrote to memory of 944	1288	csrsll.exe	36
PID 1288 wrote to memory of 944	1288	csrsll.exe	36
PID 1288 wrote to memory of 944	1288	csrsll.exe	36
PID 1288 wrote to memory of 944	1288	csrsll.exe	36
PID 1288 wrote to memory of 944	1288	csrsll.exe	36
PID 1288 wrote to memory of 1672	1288	csrsll.exe	37
PID 1288 wrote to memory of 1672	1288	csrsll.exe	37
PID 1288 wrote to memory of 1672	1288	csrsll.exe	37
PID 1288 wrote to memory of 1672	1288	csrsll.exe	37
PID 1288 wrote to memory of 1672	1288	csrsll.exe	37
PID 1288 wrote to memory of 1672	1288	csrsll.exe	37
PID 1288 wrote to memory of 1672	1288	csrsll.exe	37
PID 1288 wrote to memory of 1672	1288	csrsll.exe	37

C:\Users\Admin\AppData\Local\Temp\3e9e906c7d4bcfcd6788707274a1e5c4fbd3cb2b3852036d8991625344c70b96.exe
"C:\Users\Admin\AppData\Local\Temp\3e9e906c7d4bcfcd6788707274a1e5c4fbd3cb2b3852036d8991625344c70b96.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1652
- C:\Users\Admin\AppData\Local\Temp\3e9e906c7d4bcfcd6788707274a1e5c4fbd3cb2b3852036d8991625344c70b96.exe
  "C:\Users\Admin\AppData\Local\Temp\3e9e906c7d4bcfcd6788707274a1e5c4fbd3cb2b3852036d8991625344c70b96.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2616
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\VMABW.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2832
  - - 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:2152
- - 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:1288
  - - 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:944
  - - 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:1672

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\VMABW.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
371440674a11ffc0be94adeeaf33ebae

SHA1
6fea9b10d6b1e0bb07dad256ba3b371918890900

SHA256
1ded7a704ce7302667695dd45ccf8c9639336aa9324a61157f503556d1d812a0

SHA512
7dcae9cfd57e0856d0f8cb066aece8371fe14695f69bdf69ad592ed62f303b52af2fa9d17a17a904c585afce46a4e8f33c009ee9215f8b6f64aba26421dc29ac

Download Submit
memory/944-257-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/944-251-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1288-220-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1288-244-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1288-164-0x00000000005F0000-0x00000000005F1000-memory.dmp

Filesize
4KB

Download
memory/1288-175-0x0000000000610000-0x0000000000611000-memory.dmp

Filesize
4KB

Download
memory/1288-154-0x00000000003E0000-0x00000000003E1000-memory.dmp

Filesize
4KB

Download
memory/1288-147-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1652-26-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1652-79-0x00000000024E0000-0x00000000024E2000-memory.dmp

Filesize
8KB

Download
memory/1652-41-0x0000000000550000-0x0000000000551000-memory.dmp

Filesize
4KB

Download
memory/1652-3-0x00000000003B0000-0x00000000003B1000-memory.dmp

Filesize
4KB

Download
memory/1652-5-0x00000000003B0000-0x00000000003B1000-memory.dmp

Filesize
4KB

Download
memory/1652-61-0x00000000024A0000-0x00000000024A1000-memory.dmp

Filesize
4KB

Download
memory/1652-15-0x00000000003D0000-0x00000000003D1000-memory.dmp

Filesize
4KB

Download
memory/1652-25-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/1652-104-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1652-71-0x00000000024C0000-0x00000000024C1000-memory.dmp

Filesize
4KB

Download
memory/1652-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1652-89-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1652-29-0x00000000003F0000-0x00000000003F1000-memory.dmp

Filesize
4KB

Download
memory/1672-252-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1672-258-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2616-92-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2616-145-0x0000000003100000-0x0000000003153000-memory.dmp

Filesize
332KB

Download
memory/2616-150-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2616-151-0x0000000003100000-0x0000000003153000-memory.dmp

Filesize
332KB

Download
memory/2616-144-0x0000000003100000-0x0000000003153000-memory.dmp

Filesize
332KB

Download
memory/2616-212-0x0000000003100000-0x0000000003153000-memory.dmp

Filesize
332KB

Download
memory/2616-209-0x0000000003100000-0x0000000003153000-memory.dmp

Filesize
332KB

Download
memory/2616-131-0x0000000003100000-0x0000000003153000-memory.dmp

Filesize
332KB

Download
memory/2616-90-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2616-94-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2616-247-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2616-96-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2616-98-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2616-100-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2616-101-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2616-102-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads