modiloader | e7184c75d5b15448dc5655815c979f4209fc15e4a7bf3c9a14e204f0e172dbf7

Analysis

max time kernel
119s
max time network
118s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
02-01-2025 02:00

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General

Target

e7184c75d5b15448dc5655815c979f4209fc15e4a7bf3c9a14e204f0e172dbf7N.exe
Size

90KB
MD5

f5ab80a2dcb34cf35e9cc7a5a0a4a5b0
SHA1

cbf21c4f8f0d5192d05a38b513a64b4e7753d10f
SHA256

e7184c75d5b15448dc5655815c979f4209fc15e4a7bf3c9a14e204f0e172dbf7
SHA512

e2b8211e0a1ba26f562f65e6775e83853f9772046abe53ef49878eec062bc034c6d13a0d49969a5ecf581607790a38ac2ade12cea712bae3be42e05cc2e95ae4
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 4 IoCs

resource	yara_rule
behavioral2/memory/1976-52-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1976-57-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1976-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/1976-61-0x0000000000400000-0x0000000000414000-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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	e7184c75d5b15448dc5655815c979f4209fc15e4a7bf3c9a14e204f0e172dbf7N.exe

Executes dropped EXE 3 IoCs

pid	Process
232	csrsll.exe
964	csrsll.exe
1976	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-1-5-21-3227495264-2217614367-4027411560-1000\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 4544 set thread context of 468	4544	e7184c75d5b15448dc5655815c979f4209fc15e4a7bf3c9a14e204f0e172dbf7N.exe	86
PID 232 set thread context of 964	232	csrsll.exe	95
PID 232 set thread context of 1976	232	csrsll.exe	96

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4544-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4544-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/468-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/468-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/468-11-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4544-13-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/files/0x0008000000023c98-28.dat	upx
behavioral2/memory/232-35-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/468-39-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/232-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/232-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1976-45-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1976-50-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1976-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1976-57-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/232-56-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1976-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/468-59-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/964-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1976-61-0x0000000000400000-0x0000000000414000-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	e7184c75d5b15448dc5655815c979f4209fc15e4a7bf3c9a14e204f0e172dbf7N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e7184c75d5b15448dc5655815c979f4209fc15e4a7bf3c9a14e204f0e172dbf7N.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	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe
Token: SeDebugPrivilege	964	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4544	e7184c75d5b15448dc5655815c979f4209fc15e4a7bf3c9a14e204f0e172dbf7N.exe
468	e7184c75d5b15448dc5655815c979f4209fc15e4a7bf3c9a14e204f0e172dbf7N.exe
232	csrsll.exe
964	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 4544 wrote to memory of 468	4544	e7184c75d5b15448dc5655815c979f4209fc15e4a7bf3c9a14e204f0e172dbf7N.exe	86
PID 4544 wrote to memory of 468	4544	e7184c75d5b15448dc5655815c979f4209fc15e4a7bf3c9a14e204f0e172dbf7N.exe	86
PID 4544 wrote to memory of 468	4544	e7184c75d5b15448dc5655815c979f4209fc15e4a7bf3c9a14e204f0e172dbf7N.exe	86
PID 4544 wrote to memory of 468	4544	e7184c75d5b15448dc5655815c979f4209fc15e4a7bf3c9a14e204f0e172dbf7N.exe	86
PID 4544 wrote to memory of 468	4544	e7184c75d5b15448dc5655815c979f4209fc15e4a7bf3c9a14e204f0e172dbf7N.exe	86
PID 4544 wrote to memory of 468	4544	e7184c75d5b15448dc5655815c979f4209fc15e4a7bf3c9a14e204f0e172dbf7N.exe	86
PID 4544 wrote to memory of 468	4544	e7184c75d5b15448dc5655815c979f4209fc15e4a7bf3c9a14e204f0e172dbf7N.exe	86
PID 4544 wrote to memory of 468	4544	e7184c75d5b15448dc5655815c979f4209fc15e4a7bf3c9a14e204f0e172dbf7N.exe	86
PID 468 wrote to memory of 1712	468	e7184c75d5b15448dc5655815c979f4209fc15e4a7bf3c9a14e204f0e172dbf7N.exe	88
PID 468 wrote to memory of 1712	468	e7184c75d5b15448dc5655815c979f4209fc15e4a7bf3c9a14e204f0e172dbf7N.exe	88
PID 468 wrote to memory of 1712	468	e7184c75d5b15448dc5655815c979f4209fc15e4a7bf3c9a14e204f0e172dbf7N.exe	88
PID 1712 wrote to memory of 4472	1712	cmd.exe	91
PID 1712 wrote to memory of 4472	1712	cmd.exe	91
PID 1712 wrote to memory of 4472	1712	cmd.exe	91
PID 468 wrote to memory of 232	468	e7184c75d5b15448dc5655815c979f4209fc15e4a7bf3c9a14e204f0e172dbf7N.exe	92
PID 468 wrote to memory of 232	468	e7184c75d5b15448dc5655815c979f4209fc15e4a7bf3c9a14e204f0e172dbf7N.exe	92
PID 468 wrote to memory of 232	468	e7184c75d5b15448dc5655815c979f4209fc15e4a7bf3c9a14e204f0e172dbf7N.exe	92
PID 232 wrote to memory of 964	232	csrsll.exe	95
PID 232 wrote to memory of 964	232	csrsll.exe	95
PID 232 wrote to memory of 964	232	csrsll.exe	95
PID 232 wrote to memory of 964	232	csrsll.exe	95
PID 232 wrote to memory of 964	232	csrsll.exe	95
PID 232 wrote to memory of 964	232	csrsll.exe	95
PID 232 wrote to memory of 964	232	csrsll.exe	95
PID 232 wrote to memory of 964	232	csrsll.exe	95
PID 232 wrote to memory of 1976	232	csrsll.exe	96
PID 232 wrote to memory of 1976	232	csrsll.exe	96
PID 232 wrote to memory of 1976	232	csrsll.exe	96
PID 232 wrote to memory of 1976	232	csrsll.exe	96
PID 232 wrote to memory of 1976	232	csrsll.exe	96
PID 232 wrote to memory of 1976	232	csrsll.exe	96
PID 232 wrote to memory of 1976	232	csrsll.exe	96
PID 232 wrote to memory of 1976	232	csrsll.exe	96

C:\Users\Admin\AppData\Local\Temp\e7184c75d5b15448dc5655815c979f4209fc15e4a7bf3c9a14e204f0e172dbf7N.exe
"C:\Users\Admin\AppData\Local\Temp\e7184c75d5b15448dc5655815c979f4209fc15e4a7bf3c9a14e204f0e172dbf7N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4544
- C:\Users\Admin\AppData\Local\Temp\e7184c75d5b15448dc5655815c979f4209fc15e4a7bf3c9a14e204f0e172dbf7N.exe
  "C:\Users\Admin\AppData\Local\Temp\e7184c75d5b15448dc5655815c979f4209fc15e4a7bf3c9a14e204f0e172dbf7N.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:468
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\TWHMR.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1712
  - - 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:4472
- - 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:232
  - - 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:964
  - - 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:1976

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\TWHMR.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
939c69001e07fe7fbd033d82aa873549

SHA1
d711632f8d129be663172bf28ec068c5c4561b18

SHA256
536bc2c4d95f5fcefb74f0c3a500dc3551449f98920feaf71807dbbfbabeaa44

SHA512
dc2e0f6d264038b665cedaf7776eb32846f6007ac4a574ab297dc5597ee2cbe581b6d70683a241299bca59f4c7308cd86863758e86d6ebd3f112cc8ea7353b17

Download Submit
memory/232-56-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/232-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/232-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/232-35-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/468-39-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/468-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/468-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/468-11-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/468-59-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/964-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1976-57-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1976-61-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1976-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1976-45-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1976-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1976-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4544-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4544-3-0x0000000002A20000-0x0000000002A22000-memory.dmp

Filesize
8KB

Download
memory/4544-4-0x0000000002A30000-0x0000000002A32000-memory.dmp

Filesize
8KB

Download
memory/4544-6-0x0000000002A50000-0x0000000002A52000-memory.dmp

Filesize
8KB

Download
memory/4544-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4544-13-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads