modiloader | a23ace4145e7f2913b1885c81f6071771e254304a6432d638c4a47a0eec5a678

Analysis

max time kernel
118s
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
01-01-2025 19:20

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

a23ace4145e7f2913b1885c81f6071771e254304a6432d638c4a47a0eec5a678N.exe
Size

90KB
MD5

336113880bdd16b0f17b73753c430f50
SHA1

148c506416bce02f501731246d26e2c75f3a9a0c
SHA256

a23ace4145e7f2913b1885c81f6071771e254304a6432d638c4a47a0eec5a678
SHA512

5b58c6a9384b1a26a3cb0d43849b0142726085686d6990dd4e3c2a59237864c9e279c929da194b45c7398794fa322b34e9f41b16cb48bf69bc8569cc39e358e2
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/4100-57-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4100-56-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4100-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4100-64-0x0000000000400000-0x0000000000414000-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-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	a23ace4145e7f2913b1885c81f6071771e254304a6432d638c4a47a0eec5a678N.exe

Executes dropped EXE 3 IoCs

pid	Process
4576	csrsll.exe
4612	csrsll.exe
4100	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-1-5-21-4050598569-1597076380-177084960-1000\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 4940 set thread context of 1504	4940	a23ace4145e7f2913b1885c81f6071771e254304a6432d638c4a47a0eec5a678N.exe	82
PID 4576 set thread context of 4612	4576	csrsll.exe	93
PID 4576 set thread context of 4100	4576	csrsll.exe	94

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4940-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4940-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1504-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1504-11-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1504-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4940-15-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/files/0x000200000001e72a-29.dat	upx
behavioral2/memory/4576-36-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1504-40-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4576-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4576-42-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4100-50-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4100-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4576-59-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4100-57-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4100-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1504-62-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4100-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4612-63-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4100-64-0x0000000000400000-0x0000000000414000-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	a23ace4145e7f2913b1885c81f6071771e254304a6432d638c4a47a0eec5a678N.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a23ace4145e7f2913b1885c81f6071771e254304a6432d638c4a47a0eec5a678N.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	4612	csrsll.exe
Token: SeDebugPrivilege	4612	csrsll.exe
Token: SeDebugPrivilege	4612	csrsll.exe
Token: SeDebugPrivilege	4612	csrsll.exe
Token: SeDebugPrivilege	4612	csrsll.exe
Token: SeDebugPrivilege	4612	csrsll.exe
Token: SeDebugPrivilege	4612	csrsll.exe
Token: SeDebugPrivilege	4612	csrsll.exe
Token: SeDebugPrivilege	4612	csrsll.exe
Token: SeDebugPrivilege	4612	csrsll.exe
Token: SeDebugPrivilege	4612	csrsll.exe
Token: SeDebugPrivilege	4612	csrsll.exe
Token: SeDebugPrivilege	4612	csrsll.exe
Token: SeDebugPrivilege	4612	csrsll.exe
Token: SeDebugPrivilege	4612	csrsll.exe
Token: SeDebugPrivilege	4612	csrsll.exe
Token: SeDebugPrivilege	4612	csrsll.exe
Token: SeDebugPrivilege	4612	csrsll.exe
Token: SeDebugPrivilege	4612	csrsll.exe
Token: SeDebugPrivilege	4612	csrsll.exe
Token: SeDebugPrivilege	4612	csrsll.exe
Token: SeDebugPrivilege	4612	csrsll.exe
Token: SeDebugPrivilege	4612	csrsll.exe
Token: SeDebugPrivilege	4612	csrsll.exe
Token: SeDebugPrivilege	4612	csrsll.exe
Token: SeDebugPrivilege	4612	csrsll.exe
Token: SeDebugPrivilege	4612	csrsll.exe
Token: SeDebugPrivilege	4612	csrsll.exe
Token: SeDebugPrivilege	4612	csrsll.exe
Token: SeDebugPrivilege	4612	csrsll.exe
Token: SeDebugPrivilege	4612	csrsll.exe
Token: SeDebugPrivilege	4612	csrsll.exe
Token: SeDebugPrivilege	4612	csrsll.exe
Token: SeDebugPrivilege	4612	csrsll.exe
Token: SeDebugPrivilege	4612	csrsll.exe
Token: SeDebugPrivilege	4612	csrsll.exe
Token: SeDebugPrivilege	4612	csrsll.exe
Token: SeDebugPrivilege	4612	csrsll.exe
Token: SeDebugPrivilege	4612	csrsll.exe
Token: SeDebugPrivilege	4612	csrsll.exe
Token: SeDebugPrivilege	4612	csrsll.exe
Token: SeDebugPrivilege	4612	csrsll.exe
Token: SeDebugPrivilege	4612	csrsll.exe
Token: SeDebugPrivilege	4612	csrsll.exe
Token: SeDebugPrivilege	4612	csrsll.exe
Token: SeDebugPrivilege	4612	csrsll.exe
Token: SeDebugPrivilege	4612	csrsll.exe
Token: SeDebugPrivilege	4612	csrsll.exe
Token: SeDebugPrivilege	4612	csrsll.exe
Token: SeDebugPrivilege	4612	csrsll.exe
Token: SeDebugPrivilege	4612	csrsll.exe
Token: SeDebugPrivilege	4612	csrsll.exe
Token: SeDebugPrivilege	4612	csrsll.exe
Token: SeDebugPrivilege	4612	csrsll.exe
Token: SeDebugPrivilege	4612	csrsll.exe
Token: SeDebugPrivilege	4612	csrsll.exe
Token: SeDebugPrivilege	4612	csrsll.exe
Token: SeDebugPrivilege	4612	csrsll.exe
Token: SeDebugPrivilege	4612	csrsll.exe
Token: SeDebugPrivilege	4612	csrsll.exe
Token: SeDebugPrivilege	4612	csrsll.exe
Token: SeDebugPrivilege	4612	csrsll.exe
Token: SeDebugPrivilege	4612	csrsll.exe
Token: SeDebugPrivilege	4612	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4940	a23ace4145e7f2913b1885c81f6071771e254304a6432d638c4a47a0eec5a678N.exe
1504	a23ace4145e7f2913b1885c81f6071771e254304a6432d638c4a47a0eec5a678N.exe
4576	csrsll.exe
4612	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 4940 wrote to memory of 1504	4940	a23ace4145e7f2913b1885c81f6071771e254304a6432d638c4a47a0eec5a678N.exe	82
PID 4940 wrote to memory of 1504	4940	a23ace4145e7f2913b1885c81f6071771e254304a6432d638c4a47a0eec5a678N.exe	82
PID 4940 wrote to memory of 1504	4940	a23ace4145e7f2913b1885c81f6071771e254304a6432d638c4a47a0eec5a678N.exe	82
PID 4940 wrote to memory of 1504	4940	a23ace4145e7f2913b1885c81f6071771e254304a6432d638c4a47a0eec5a678N.exe	82
PID 4940 wrote to memory of 1504	4940	a23ace4145e7f2913b1885c81f6071771e254304a6432d638c4a47a0eec5a678N.exe	82
PID 4940 wrote to memory of 1504	4940	a23ace4145e7f2913b1885c81f6071771e254304a6432d638c4a47a0eec5a678N.exe	82
PID 4940 wrote to memory of 1504	4940	a23ace4145e7f2913b1885c81f6071771e254304a6432d638c4a47a0eec5a678N.exe	82
PID 4940 wrote to memory of 1504	4940	a23ace4145e7f2913b1885c81f6071771e254304a6432d638c4a47a0eec5a678N.exe	82
PID 1504 wrote to memory of 232	1504	a23ace4145e7f2913b1885c81f6071771e254304a6432d638c4a47a0eec5a678N.exe	83
PID 1504 wrote to memory of 232	1504	a23ace4145e7f2913b1885c81f6071771e254304a6432d638c4a47a0eec5a678N.exe	83
PID 1504 wrote to memory of 232	1504	a23ace4145e7f2913b1885c81f6071771e254304a6432d638c4a47a0eec5a678N.exe	83
PID 232 wrote to memory of 4832	232	cmd.exe	86
PID 232 wrote to memory of 4832	232	cmd.exe	86
PID 232 wrote to memory of 4832	232	cmd.exe	86
PID 1504 wrote to memory of 4576	1504	a23ace4145e7f2913b1885c81f6071771e254304a6432d638c4a47a0eec5a678N.exe	87
PID 1504 wrote to memory of 4576	1504	a23ace4145e7f2913b1885c81f6071771e254304a6432d638c4a47a0eec5a678N.exe	87
PID 1504 wrote to memory of 4576	1504	a23ace4145e7f2913b1885c81f6071771e254304a6432d638c4a47a0eec5a678N.exe	87
PID 4576 wrote to memory of 4612	4576	csrsll.exe	93
PID 4576 wrote to memory of 4612	4576	csrsll.exe	93
PID 4576 wrote to memory of 4612	4576	csrsll.exe	93
PID 4576 wrote to memory of 4612	4576	csrsll.exe	93
PID 4576 wrote to memory of 4612	4576	csrsll.exe	93
PID 4576 wrote to memory of 4612	4576	csrsll.exe	93
PID 4576 wrote to memory of 4612	4576	csrsll.exe	93
PID 4576 wrote to memory of 4612	4576	csrsll.exe	93
PID 4576 wrote to memory of 4100	4576	csrsll.exe	94
PID 4576 wrote to memory of 4100	4576	csrsll.exe	94
PID 4576 wrote to memory of 4100	4576	csrsll.exe	94
PID 4576 wrote to memory of 4100	4576	csrsll.exe	94
PID 4576 wrote to memory of 4100	4576	csrsll.exe	94
PID 4576 wrote to memory of 4100	4576	csrsll.exe	94
PID 4576 wrote to memory of 4100	4576	csrsll.exe	94
PID 4576 wrote to memory of 4100	4576	csrsll.exe	94

C:\Users\Admin\AppData\Local\Temp\a23ace4145e7f2913b1885c81f6071771e254304a6432d638c4a47a0eec5a678N.exe
"C:\Users\Admin\AppData\Local\Temp\a23ace4145e7f2913b1885c81f6071771e254304a6432d638c4a47a0eec5a678N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4940
- C:\Users\Admin\AppData\Local\Temp\a23ace4145e7f2913b1885c81f6071771e254304a6432d638c4a47a0eec5a678N.exe
  "C:\Users\Admin\AppData\Local\Temp\a23ace4145e7f2913b1885c81f6071771e254304a6432d638c4a47a0eec5a678N.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1504
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\HIFNG.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:232
  - - 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:4832
- - 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:4612
  - - 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:4100

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\HIFNG.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
00f616c072278c27f1155e4f285fa3b1

SHA1
8bbacb65ba984a294757831da8a40f455e4a2e7c

SHA256
fd2d86106eb7bdbdb522f13c67fcffde779070e18e55bb26798c7dd855649bb9

SHA512
1d6d762cc11b70c64f5e8cd830398dfb0305963f5d98ecb787b16e0214386530985d62286fe41e1c3b2cd7640648d1225ca78d7ef40e2c528b70c9b59f915847

Download Submit
memory/1504-40-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1504-62-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1504-60-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/1504-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1504-11-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1504-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4100-57-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4100-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4100-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4100-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4100-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4100-64-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4576-59-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4576-36-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4576-42-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

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

Filesize
332KB

Download
memory/4612-63-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4940-6-0x0000000002340000-0x0000000002342000-memory.dmp

Filesize
8KB

Download
memory/4940-4-0x0000000002320000-0x0000000002322000-memory.dmp

Filesize
8KB

Download
memory/4940-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4940-15-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4940-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4940-3-0x0000000002310000-0x0000000002312000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads