modiloader | e3e4038699ef442d8cb60d7d20e5654e972942ea53f6d55033270467a436d8be

Analysis

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

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
06-12-2024 08:39

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General

Target

e3e4038699ef442d8cb60d7d20e5654e972942ea53f6d55033270467a436d8be.exe
Size

90KB
MD5

f1d26603d891b386e02c4858dbde48e5
SHA1

c028175845b209834839cb1638c9f218ad2c10bd
SHA256

e3e4038699ef442d8cb60d7d20e5654e972942ea53f6d55033270467a436d8be
SHA512

36251c09fdfb57c97f37a7dd450e103e2289dc39fd0f47d6f85bcadfbf7ffbc91ef260f6ca9f3795a6297fb1014ef7deae29752515f6a20024688f4fb2d92039
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oD7:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3V

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/3504-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3504-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3504-57-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3504-62-0x0000000000400000-0x0000000000414000-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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	e3e4038699ef442d8cb60d7d20e5654e972942ea53f6d55033270467a436d8be.exe

Executes dropped EXE 3 IoCs

pid	Process
4576	csrsll.exe
2692	csrsll.exe
3504	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-1-5-21-2437139445-1151884604-3026847218-1000\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 1472 set thread context of 4948	1472	e3e4038699ef442d8cb60d7d20e5654e972942ea53f6d55033270467a436d8be.exe	88
PID 4576 set thread context of 2692	4576	csrsll.exe	100
PID 4576 set thread context of 3504	4576	csrsll.exe	101

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1472-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1472-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4948-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4948-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1472-11-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4948-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000b000000023ba9-29.dat	upx
behavioral2/memory/4948-39-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4576-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4576-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3504-50-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3504-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3504-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3504-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3504-57-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4576-58-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4948-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2692-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3504-62-0x0000000000400000-0x0000000000414000-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	e3e4038699ef442d8cb60d7d20e5654e972942ea53f6d55033270467a436d8be.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e3e4038699ef442d8cb60d7d20e5654e972942ea53f6d55033270467a436d8be.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	2692	csrsll.exe
Token: SeDebugPrivilege	2692	csrsll.exe
Token: SeDebugPrivilege	2692	csrsll.exe
Token: SeDebugPrivilege	2692	csrsll.exe
Token: SeDebugPrivilege	2692	csrsll.exe
Token: SeDebugPrivilege	2692	csrsll.exe
Token: SeDebugPrivilege	2692	csrsll.exe
Token: SeDebugPrivilege	2692	csrsll.exe
Token: SeDebugPrivilege	2692	csrsll.exe
Token: SeDebugPrivilege	2692	csrsll.exe
Token: SeDebugPrivilege	2692	csrsll.exe
Token: SeDebugPrivilege	2692	csrsll.exe
Token: SeDebugPrivilege	2692	csrsll.exe
Token: SeDebugPrivilege	2692	csrsll.exe
Token: SeDebugPrivilege	2692	csrsll.exe
Token: SeDebugPrivilege	2692	csrsll.exe
Token: SeDebugPrivilege	2692	csrsll.exe
Token: SeDebugPrivilege	2692	csrsll.exe
Token: SeDebugPrivilege	2692	csrsll.exe
Token: SeDebugPrivilege	2692	csrsll.exe
Token: SeDebugPrivilege	2692	csrsll.exe
Token: SeDebugPrivilege	2692	csrsll.exe
Token: SeDebugPrivilege	2692	csrsll.exe
Token: SeDebugPrivilege	2692	csrsll.exe
Token: SeDebugPrivilege	2692	csrsll.exe
Token: SeDebugPrivilege	2692	csrsll.exe
Token: SeDebugPrivilege	2692	csrsll.exe
Token: SeDebugPrivilege	2692	csrsll.exe
Token: SeDebugPrivilege	2692	csrsll.exe
Token: SeDebugPrivilege	2692	csrsll.exe
Token: SeDebugPrivilege	2692	csrsll.exe
Token: SeDebugPrivilege	2692	csrsll.exe
Token: SeDebugPrivilege	2692	csrsll.exe
Token: SeDebugPrivilege	2692	csrsll.exe
Token: SeDebugPrivilege	2692	csrsll.exe
Token: SeDebugPrivilege	2692	csrsll.exe
Token: SeDebugPrivilege	2692	csrsll.exe
Token: SeDebugPrivilege	2692	csrsll.exe
Token: SeDebugPrivilege	2692	csrsll.exe
Token: SeDebugPrivilege	2692	csrsll.exe
Token: SeDebugPrivilege	2692	csrsll.exe
Token: SeDebugPrivilege	2692	csrsll.exe
Token: SeDebugPrivilege	2692	csrsll.exe
Token: SeDebugPrivilege	2692	csrsll.exe
Token: SeDebugPrivilege	2692	csrsll.exe
Token: SeDebugPrivilege	2692	csrsll.exe
Token: SeDebugPrivilege	2692	csrsll.exe
Token: SeDebugPrivilege	2692	csrsll.exe
Token: SeDebugPrivilege	2692	csrsll.exe
Token: SeDebugPrivilege	2692	csrsll.exe
Token: SeDebugPrivilege	2692	csrsll.exe
Token: SeDebugPrivilege	2692	csrsll.exe
Token: SeDebugPrivilege	2692	csrsll.exe
Token: SeDebugPrivilege	2692	csrsll.exe
Token: SeDebugPrivilege	2692	csrsll.exe
Token: SeDebugPrivilege	2692	csrsll.exe
Token: SeDebugPrivilege	2692	csrsll.exe
Token: SeDebugPrivilege	2692	csrsll.exe
Token: SeDebugPrivilege	2692	csrsll.exe
Token: SeDebugPrivilege	2692	csrsll.exe
Token: SeDebugPrivilege	2692	csrsll.exe
Token: SeDebugPrivilege	2692	csrsll.exe
Token: SeDebugPrivilege	2692	csrsll.exe
Token: SeDebugPrivilege	2692	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1472	e3e4038699ef442d8cb60d7d20e5654e972942ea53f6d55033270467a436d8be.exe
4948	e3e4038699ef442d8cb60d7d20e5654e972942ea53f6d55033270467a436d8be.exe
4576	csrsll.exe
2692	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 1472 wrote to memory of 4948	1472	e3e4038699ef442d8cb60d7d20e5654e972942ea53f6d55033270467a436d8be.exe	88
PID 1472 wrote to memory of 4948	1472	e3e4038699ef442d8cb60d7d20e5654e972942ea53f6d55033270467a436d8be.exe	88
PID 1472 wrote to memory of 4948	1472	e3e4038699ef442d8cb60d7d20e5654e972942ea53f6d55033270467a436d8be.exe	88
PID 1472 wrote to memory of 4948	1472	e3e4038699ef442d8cb60d7d20e5654e972942ea53f6d55033270467a436d8be.exe	88
PID 1472 wrote to memory of 4948	1472	e3e4038699ef442d8cb60d7d20e5654e972942ea53f6d55033270467a436d8be.exe	88
PID 1472 wrote to memory of 4948	1472	e3e4038699ef442d8cb60d7d20e5654e972942ea53f6d55033270467a436d8be.exe	88
PID 1472 wrote to memory of 4948	1472	e3e4038699ef442d8cb60d7d20e5654e972942ea53f6d55033270467a436d8be.exe	88
PID 1472 wrote to memory of 4948	1472	e3e4038699ef442d8cb60d7d20e5654e972942ea53f6d55033270467a436d8be.exe	88
PID 4948 wrote to memory of 1860	4948	e3e4038699ef442d8cb60d7d20e5654e972942ea53f6d55033270467a436d8be.exe	89
PID 4948 wrote to memory of 1860	4948	e3e4038699ef442d8cb60d7d20e5654e972942ea53f6d55033270467a436d8be.exe	89
PID 4948 wrote to memory of 1860	4948	e3e4038699ef442d8cb60d7d20e5654e972942ea53f6d55033270467a436d8be.exe	89
PID 1860 wrote to memory of 1596	1860	cmd.exe	93
PID 1860 wrote to memory of 1596	1860	cmd.exe	93
PID 1860 wrote to memory of 1596	1860	cmd.exe	93
PID 4948 wrote to memory of 4576	4948	e3e4038699ef442d8cb60d7d20e5654e972942ea53f6d55033270467a436d8be.exe	94
PID 4948 wrote to memory of 4576	4948	e3e4038699ef442d8cb60d7d20e5654e972942ea53f6d55033270467a436d8be.exe	94
PID 4948 wrote to memory of 4576	4948	e3e4038699ef442d8cb60d7d20e5654e972942ea53f6d55033270467a436d8be.exe	94
PID 4576 wrote to memory of 2692	4576	csrsll.exe	100
PID 4576 wrote to memory of 2692	4576	csrsll.exe	100
PID 4576 wrote to memory of 2692	4576	csrsll.exe	100
PID 4576 wrote to memory of 2692	4576	csrsll.exe	100
PID 4576 wrote to memory of 2692	4576	csrsll.exe	100
PID 4576 wrote to memory of 2692	4576	csrsll.exe	100
PID 4576 wrote to memory of 2692	4576	csrsll.exe	100
PID 4576 wrote to memory of 2692	4576	csrsll.exe	100
PID 4576 wrote to memory of 3504	4576	csrsll.exe	101
PID 4576 wrote to memory of 3504	4576	csrsll.exe	101
PID 4576 wrote to memory of 3504	4576	csrsll.exe	101
PID 4576 wrote to memory of 3504	4576	csrsll.exe	101
PID 4576 wrote to memory of 3504	4576	csrsll.exe	101
PID 4576 wrote to memory of 3504	4576	csrsll.exe	101
PID 4576 wrote to memory of 3504	4576	csrsll.exe	101
PID 4576 wrote to memory of 3504	4576	csrsll.exe	101

C:\Users\Admin\AppData\Local\Temp\e3e4038699ef442d8cb60d7d20e5654e972942ea53f6d55033270467a436d8be.exe
"C:\Users\Admin\AppData\Local\Temp\e3e4038699ef442d8cb60d7d20e5654e972942ea53f6d55033270467a436d8be.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1472
- C:\Users\Admin\AppData\Local\Temp\e3e4038699ef442d8cb60d7d20e5654e972942ea53f6d55033270467a436d8be.exe
  "C:\Users\Admin\AppData\Local\Temp\e3e4038699ef442d8cb60d7d20e5654e972942ea53f6d55033270467a436d8be.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4948
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\YHSXU.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1860
  - - 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:1596
- - 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:4576
  - - 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:2692
  - - 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:3504

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\YHSXU.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
6e813e5ffb6f7c24503094ff5bd51093

SHA1
a414aea1acc63081f4e6794ac47c47a15294f33f

SHA256
9a381af3305f5a6edd2a04119893fd7fd1f09ba199cac66b1d68f281c094320f

SHA512
4620fa712658b20d2e2781b65541a9654b55e1ecadcc9593eae9e249a164b41cf5fe39ed9487675e732554b50637748417c2c6929b6a11a8dc644f3b6159acfb

Download Submit
memory/1472-3-0x00000000021C0000-0x00000000021C2000-memory.dmp

Filesize
8KB

Download
memory/1472-4-0x00000000021D0000-0x00000000021D2000-memory.dmp

Filesize
8KB

Download
memory/1472-6-0x0000000002940000-0x0000000002942000-memory.dmp

Filesize
8KB

Download
memory/1472-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1472-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1472-11-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2692-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3504-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3504-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3504-62-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3504-57-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3504-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3504-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4576-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4576-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4576-58-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4948-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4948-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4948-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4948-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4948-39-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads