modiloader | e7629c235cf92bd9f9e4bc2e5c9cc9de63c77930f069814ede46c621d4fd18b0

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
23-11-2024 07:20

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General

Target

e7629c235cf92bd9f9e4bc2e5c9cc9de63c77930f069814ede46c621d4fd18b0N.exe
Size

90KB
MD5

25baa06e9d8733eafd4e38b71b7bff60
SHA1

c9b7195ba98c3482cb0571e3971dc7274774a1b2
SHA256

e7629c235cf92bd9f9e4bc2e5c9cc9de63c77930f069814ede46c621d4fd18b0
SHA512

729b86ed206d55f4d1010620a22e5ae230681e75faa1d13edd6e1008553f006983d5abc25105bff5fc40ff9d4fd8446d251e485bd24590029599a1d5ed0c324b
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/744-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/744-56-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/744-57-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/744-63-0x0000000000400000-0x0000000000414000-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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	e7629c235cf92bd9f9e4bc2e5c9cc9de63c77930f069814ede46c621d4fd18b0N.exe

Executes dropped EXE 3 IoCs

pid	Process
1716	csrsll.exe
1088	csrsll.exe
744	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-1-5-21-493223053-2004649691-1575712786-1000\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 4572 set thread context of 1348	4572	e7629c235cf92bd9f9e4bc2e5c9cc9de63c77930f069814ede46c621d4fd18b0N.exe	93
PID 1716 set thread context of 1088	1716	csrsll.exe	103
PID 1716 set thread context of 744	1716	csrsll.exe	104

UPX packed file 21 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4572-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/4572-4-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1348-13-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/4572-12-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1348-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1348-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1716-36-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/files/0x000b000000023b95-37.dat	upx
behavioral2/memory/1348-40-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1716-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1716-42-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/744-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/744-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/744-57-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1716-59-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/744-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1088-51-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1348-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/744-50-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/1088-62-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/744-63-0x0000000000400000-0x0000000000414000-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	e7629c235cf92bd9f9e4bc2e5c9cc9de63c77930f069814ede46c621d4fd18b0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e7629c235cf92bd9f9e4bc2e5c9cc9de63c77930f069814ede46c621d4fd18b0N.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	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe
Token: SeDebugPrivilege	1088	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4572	e7629c235cf92bd9f9e4bc2e5c9cc9de63c77930f069814ede46c621d4fd18b0N.exe
1348	e7629c235cf92bd9f9e4bc2e5c9cc9de63c77930f069814ede46c621d4fd18b0N.exe
1716	csrsll.exe
1088	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 4572 wrote to memory of 1348	4572	e7629c235cf92bd9f9e4bc2e5c9cc9de63c77930f069814ede46c621d4fd18b0N.exe	93
PID 4572 wrote to memory of 1348	4572	e7629c235cf92bd9f9e4bc2e5c9cc9de63c77930f069814ede46c621d4fd18b0N.exe	93
PID 4572 wrote to memory of 1348	4572	e7629c235cf92bd9f9e4bc2e5c9cc9de63c77930f069814ede46c621d4fd18b0N.exe	93
PID 4572 wrote to memory of 1348	4572	e7629c235cf92bd9f9e4bc2e5c9cc9de63c77930f069814ede46c621d4fd18b0N.exe	93
PID 4572 wrote to memory of 1348	4572	e7629c235cf92bd9f9e4bc2e5c9cc9de63c77930f069814ede46c621d4fd18b0N.exe	93
PID 4572 wrote to memory of 1348	4572	e7629c235cf92bd9f9e4bc2e5c9cc9de63c77930f069814ede46c621d4fd18b0N.exe	93
PID 4572 wrote to memory of 1348	4572	e7629c235cf92bd9f9e4bc2e5c9cc9de63c77930f069814ede46c621d4fd18b0N.exe	93
PID 4572 wrote to memory of 1348	4572	e7629c235cf92bd9f9e4bc2e5c9cc9de63c77930f069814ede46c621d4fd18b0N.exe	93
PID 1348 wrote to memory of 3216	1348	e7629c235cf92bd9f9e4bc2e5c9cc9de63c77930f069814ede46c621d4fd18b0N.exe	94
PID 1348 wrote to memory of 3216	1348	e7629c235cf92bd9f9e4bc2e5c9cc9de63c77930f069814ede46c621d4fd18b0N.exe	94
PID 1348 wrote to memory of 3216	1348	e7629c235cf92bd9f9e4bc2e5c9cc9de63c77930f069814ede46c621d4fd18b0N.exe	94
PID 3216 wrote to memory of 3120	3216	cmd.exe	98
PID 3216 wrote to memory of 3120	3216	cmd.exe	98
PID 3216 wrote to memory of 3120	3216	cmd.exe	98
PID 1348 wrote to memory of 1716	1348	e7629c235cf92bd9f9e4bc2e5c9cc9de63c77930f069814ede46c621d4fd18b0N.exe	99
PID 1348 wrote to memory of 1716	1348	e7629c235cf92bd9f9e4bc2e5c9cc9de63c77930f069814ede46c621d4fd18b0N.exe	99
PID 1348 wrote to memory of 1716	1348	e7629c235cf92bd9f9e4bc2e5c9cc9de63c77930f069814ede46c621d4fd18b0N.exe	99
PID 1716 wrote to memory of 1088	1716	csrsll.exe	103
PID 1716 wrote to memory of 1088	1716	csrsll.exe	103
PID 1716 wrote to memory of 1088	1716	csrsll.exe	103
PID 1716 wrote to memory of 1088	1716	csrsll.exe	103
PID 1716 wrote to memory of 1088	1716	csrsll.exe	103
PID 1716 wrote to memory of 1088	1716	csrsll.exe	103
PID 1716 wrote to memory of 1088	1716	csrsll.exe	103
PID 1716 wrote to memory of 1088	1716	csrsll.exe	103
PID 1716 wrote to memory of 744	1716	csrsll.exe	104
PID 1716 wrote to memory of 744	1716	csrsll.exe	104
PID 1716 wrote to memory of 744	1716	csrsll.exe	104
PID 1716 wrote to memory of 744	1716	csrsll.exe	104
PID 1716 wrote to memory of 744	1716	csrsll.exe	104
PID 1716 wrote to memory of 744	1716	csrsll.exe	104
PID 1716 wrote to memory of 744	1716	csrsll.exe	104
PID 1716 wrote to memory of 744	1716	csrsll.exe	104

C:\Users\Admin\AppData\Local\Temp\e7629c235cf92bd9f9e4bc2e5c9cc9de63c77930f069814ede46c621d4fd18b0N.exe
"C:\Users\Admin\AppData\Local\Temp\e7629c235cf92bd9f9e4bc2e5c9cc9de63c77930f069814ede46c621d4fd18b0N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4572
- C:\Users\Admin\AppData\Local\Temp\e7629c235cf92bd9f9e4bc2e5c9cc9de63c77930f069814ede46c621d4fd18b0N.exe
  "C:\Users\Admin\AppData\Local\Temp\e7629c235cf92bd9f9e4bc2e5c9cc9de63c77930f069814ede46c621d4fd18b0N.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1348
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\KGDUS.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3216
  - - 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:3120
- - 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:1716
  - - 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:1088
  - - 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:744

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\KGDUS.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
a5066bfc8a41d9392825b41b146bd871

SHA1
73aabaa68846d84c5da614c7ebecbe7ac035f75d

SHA256
50c2184239732585eb8cc2050dc273a9579df0a62103256af94a6af40d6d479e

SHA512
e58fe5f277f0b2f9774986353fea64149fd8ba9d37d723c0543a8ff17fe7c7ea9ea7c891e103212f9af0a711d8e3deb032d40390deb0249115a2fa0435d3a98a

Download Submit
memory/744-50-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/744-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/744-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/744-63-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/744-57-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/744-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1088-51-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1088-62-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1348-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1348-13-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1348-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1348-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1348-40-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1716-59-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1716-42-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1716-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1716-36-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4572-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4572-12-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4572-5-0x0000000002C90000-0x0000000002C92000-memory.dmp

Filesize
8KB

Download
memory/4572-4-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4572-6-0x0000000002CA0000-0x0000000002CA2000-memory.dmp

Filesize
8KB

Download
memory/4572-3-0x0000000002B60000-0x0000000002B62000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads