modiloader | b67ccd8b8e87d9e5c1a0b0cf93046fb620cc953fbb9ef11128963e3dd86668e4

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
16/01/2025, 08:53

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General

Target

b67ccd8b8e87d9e5c1a0b0cf93046fb620cc953fbb9ef11128963e3dd86668e4N.exe
Size

90KB
MD5

eff4d588d41b3a4fcc6809916e5091d0
SHA1

445593094074ec6b3b2927963a1c9b2d2c71ad97
SHA256

b67ccd8b8e87d9e5c1a0b0cf93046fb620cc953fbb9ef11128963e3dd86668e4
SHA512

b3a8a4da93a33da06dfdef69f91f8c64793cbcaa458cb2ac61d0232ca8b951caf32ab8644aa94ae298279db016baca1cfffac1ca84e7480f957b7a568806a9ce
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDX:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3t

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/4776-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4776-52-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4776-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/4776-61-0x0000000000400000-0x0000000000414000-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-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	b67ccd8b8e87d9e5c1a0b0cf93046fb620cc953fbb9ef11128963e3dd86668e4N.exe

Executes dropped EXE 3 IoCs

pid	Process
4564	csrsll.exe
2200	csrsll.exe
4776	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-1-5-21-2045521122-590294423-3465680274-1000\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 2204 set thread context of 1772	2204	b67ccd8b8e87d9e5c1a0b0cf93046fb620cc953fbb9ef11128963e3dd86668e4N.exe	90
PID 4564 set thread context of 2200	4564	csrsll.exe	103
PID 4564 set thread context of 4776	4564	csrsll.exe	104

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2204-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2204-4-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1772-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1772-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2204-11-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1772-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000c000000023c2a-29.dat	upx
behavioral2/memory/1772-39-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4564-40-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4564-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4776-45-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4776-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4776-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4564-57-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4776-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4776-50-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1772-59-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2200-60-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4776-61-0x0000000000400000-0x0000000000414000-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	b67ccd8b8e87d9e5c1a0b0cf93046fb620cc953fbb9ef11128963e3dd86668e4N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b67ccd8b8e87d9e5c1a0b0cf93046fb620cc953fbb9ef11128963e3dd86668e4N.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

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2200	csrsll.exe
Token: SeDebugPrivilege	2200	csrsll.exe
Token: SeDebugPrivilege	2200	csrsll.exe
Token: SeDebugPrivilege	2200	csrsll.exe
Token: SeDebugPrivilege	2200	csrsll.exe
Token: SeDebugPrivilege	2200	csrsll.exe
Token: SeDebugPrivilege	2200	csrsll.exe
Token: SeDebugPrivilege	2200	csrsll.exe
Token: SeDebugPrivilege	2200	csrsll.exe
Token: SeDebugPrivilege	2200	csrsll.exe
Token: SeDebugPrivilege	2200	csrsll.exe
Token: SeDebugPrivilege	2200	csrsll.exe
Token: SeDebugPrivilege	2200	csrsll.exe
Token: SeDebugPrivilege	2200	csrsll.exe
Token: SeDebugPrivilege	2200	csrsll.exe
Token: SeDebugPrivilege	2200	csrsll.exe
Token: SeDebugPrivilege	2200	csrsll.exe
Token: SeDebugPrivilege	2200	csrsll.exe
Token: SeDebugPrivilege	2200	csrsll.exe
Token: SeDebugPrivilege	2200	csrsll.exe
Token: SeDebugPrivilege	2200	csrsll.exe
Token: SeDebugPrivilege	2200	csrsll.exe
Token: SeDebugPrivilege	2200	csrsll.exe
Token: SeDebugPrivilege	2200	csrsll.exe
Token: SeDebugPrivilege	2200	csrsll.exe
Token: SeDebugPrivilege	2200	csrsll.exe
Token: SeDebugPrivilege	2200	csrsll.exe
Token: SeDebugPrivilege	2200	csrsll.exe
Token: SeDebugPrivilege	2200	csrsll.exe
Token: SeDebugPrivilege	2200	csrsll.exe
Token: SeDebugPrivilege	2200	csrsll.exe
Token: SeDebugPrivilege	2200	csrsll.exe
Token: SeDebugPrivilege	2200	csrsll.exe
Token: SeDebugPrivilege	2200	csrsll.exe
Token: SeDebugPrivilege	2200	csrsll.exe
Token: SeDebugPrivilege	2200	csrsll.exe
Token: SeDebugPrivilege	2200	csrsll.exe
Token: SeDebugPrivilege	2200	csrsll.exe
Token: SeDebugPrivilege	2200	csrsll.exe
Token: SeDebugPrivilege	2200	csrsll.exe
Token: SeDebugPrivilege	2200	csrsll.exe
Token: SeDebugPrivilege	2200	csrsll.exe
Token: SeDebugPrivilege	2200	csrsll.exe
Token: SeDebugPrivilege	2200	csrsll.exe
Token: SeDebugPrivilege	2200	csrsll.exe
Token: SeDebugPrivilege	2200	csrsll.exe
Token: SeDebugPrivilege	2200	csrsll.exe
Token: SeDebugPrivilege	2200	csrsll.exe
Token: SeDebugPrivilege	2200	csrsll.exe
Token: SeDebugPrivilege	2200	csrsll.exe
Token: SeDebugPrivilege	2200	csrsll.exe
Token: SeDebugPrivilege	2200	csrsll.exe
Token: SeDebugPrivilege	2200	csrsll.exe
Token: SeDebugPrivilege	2200	csrsll.exe
Token: SeDebugPrivilege	2200	csrsll.exe
Token: SeDebugPrivilege	2200	csrsll.exe
Token: SeDebugPrivilege	2200	csrsll.exe
Token: SeDebugPrivilege	2200	csrsll.exe
Token: SeDebugPrivilege	2200	csrsll.exe
Token: SeDebugPrivilege	2200	csrsll.exe
Token: SeDebugPrivilege	2200	csrsll.exe
Token: SeDebugPrivilege	2200	csrsll.exe
Token: SeDebugPrivilege	2200	csrsll.exe
Token: SeDebugPrivilege	2200	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2204	b67ccd8b8e87d9e5c1a0b0cf93046fb620cc953fbb9ef11128963e3dd86668e4N.exe
1772	b67ccd8b8e87d9e5c1a0b0cf93046fb620cc953fbb9ef11128963e3dd86668e4N.exe
4564	csrsll.exe
2200	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 2204 wrote to memory of 1772	2204	b67ccd8b8e87d9e5c1a0b0cf93046fb620cc953fbb9ef11128963e3dd86668e4N.exe	90
PID 2204 wrote to memory of 1772	2204	b67ccd8b8e87d9e5c1a0b0cf93046fb620cc953fbb9ef11128963e3dd86668e4N.exe	90
PID 2204 wrote to memory of 1772	2204	b67ccd8b8e87d9e5c1a0b0cf93046fb620cc953fbb9ef11128963e3dd86668e4N.exe	90
PID 2204 wrote to memory of 1772	2204	b67ccd8b8e87d9e5c1a0b0cf93046fb620cc953fbb9ef11128963e3dd86668e4N.exe	90
PID 2204 wrote to memory of 1772	2204	b67ccd8b8e87d9e5c1a0b0cf93046fb620cc953fbb9ef11128963e3dd86668e4N.exe	90
PID 2204 wrote to memory of 1772	2204	b67ccd8b8e87d9e5c1a0b0cf93046fb620cc953fbb9ef11128963e3dd86668e4N.exe	90
PID 2204 wrote to memory of 1772	2204	b67ccd8b8e87d9e5c1a0b0cf93046fb620cc953fbb9ef11128963e3dd86668e4N.exe	90
PID 2204 wrote to memory of 1772	2204	b67ccd8b8e87d9e5c1a0b0cf93046fb620cc953fbb9ef11128963e3dd86668e4N.exe	90
PID 1772 wrote to memory of 3692	1772	b67ccd8b8e87d9e5c1a0b0cf93046fb620cc953fbb9ef11128963e3dd86668e4N.exe	93
PID 1772 wrote to memory of 3692	1772	b67ccd8b8e87d9e5c1a0b0cf93046fb620cc953fbb9ef11128963e3dd86668e4N.exe	93
PID 1772 wrote to memory of 3692	1772	b67ccd8b8e87d9e5c1a0b0cf93046fb620cc953fbb9ef11128963e3dd86668e4N.exe	93
PID 3692 wrote to memory of 1908	3692	cmd.exe	97
PID 3692 wrote to memory of 1908	3692	cmd.exe	97
PID 3692 wrote to memory of 1908	3692	cmd.exe	97
PID 1772 wrote to memory of 4564	1772	b67ccd8b8e87d9e5c1a0b0cf93046fb620cc953fbb9ef11128963e3dd86668e4N.exe	98
PID 1772 wrote to memory of 4564	1772	b67ccd8b8e87d9e5c1a0b0cf93046fb620cc953fbb9ef11128963e3dd86668e4N.exe	98
PID 1772 wrote to memory of 4564	1772	b67ccd8b8e87d9e5c1a0b0cf93046fb620cc953fbb9ef11128963e3dd86668e4N.exe	98
PID 4564 wrote to memory of 2200	4564	csrsll.exe	103
PID 4564 wrote to memory of 2200	4564	csrsll.exe	103
PID 4564 wrote to memory of 2200	4564	csrsll.exe	103
PID 4564 wrote to memory of 2200	4564	csrsll.exe	103
PID 4564 wrote to memory of 2200	4564	csrsll.exe	103
PID 4564 wrote to memory of 2200	4564	csrsll.exe	103
PID 4564 wrote to memory of 2200	4564	csrsll.exe	103
PID 4564 wrote to memory of 2200	4564	csrsll.exe	103
PID 4564 wrote to memory of 4776	4564	csrsll.exe	104
PID 4564 wrote to memory of 4776	4564	csrsll.exe	104
PID 4564 wrote to memory of 4776	4564	csrsll.exe	104
PID 4564 wrote to memory of 4776	4564	csrsll.exe	104
PID 4564 wrote to memory of 4776	4564	csrsll.exe	104
PID 4564 wrote to memory of 4776	4564	csrsll.exe	104
PID 4564 wrote to memory of 4776	4564	csrsll.exe	104
PID 4564 wrote to memory of 4776	4564	csrsll.exe	104

C:\Users\Admin\AppData\Local\Temp\b67ccd8b8e87d9e5c1a0b0cf93046fb620cc953fbb9ef11128963e3dd86668e4N.exe
"C:\Users\Admin\AppData\Local\Temp\b67ccd8b8e87d9e5c1a0b0cf93046fb620cc953fbb9ef11128963e3dd86668e4N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2204
- C:\Users\Admin\AppData\Local\Temp\b67ccd8b8e87d9e5c1a0b0cf93046fb620cc953fbb9ef11128963e3dd86668e4N.exe
  "C:\Users\Admin\AppData\Local\Temp\b67ccd8b8e87d9e5c1a0b0cf93046fb620cc953fbb9ef11128963e3dd86668e4N.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1772
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\LMIGI.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3692
  - - 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:1908
- - 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:4564
  - - 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:2200
  - - 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:4776

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\LMIGI.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
53abb5d733bd87e80f85582ab650b149

SHA1
1eb98c41a59b49b107452500a45b561697c1af4a

SHA256
95847b10ed095c4db8a08b7718cefea0243b3d08d409bb906d3ddcc1fe29d724

SHA512
393485f51c40f5f26bb45c20d86d4796f1afcf1d44823e708b04deae34e91789959b1e2eec6aae314f0bb348533aad498b12f754c72432adf446b51605e7b38a

Download Submit
memory/1772-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1772-59-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1772-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1772-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1772-39-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2200-60-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2204-4-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2204-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2204-11-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2204-6-0x0000000002A40000-0x0000000002A42000-memory.dmp

Filesize
8KB

Download
memory/2204-3-0x0000000002A10000-0x0000000002A12000-memory.dmp

Filesize
8KB

Download
memory/2204-5-0x0000000002A30000-0x0000000002A32000-memory.dmp

Filesize
8KB

Download
memory/4564-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4564-57-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4564-40-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4776-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4776-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4776-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4776-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4776-45-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4776-61-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads