modiloader | fab7cd9d497c6f780dbc4f25c040112fad1df59763e610525a029bab0a53db44

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
17-12-2024 04:58

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General

Target

fab7cd9d497c6f780dbc4f25c040112fad1df59763e610525a029bab0a53db44.exe
Size

90KB
MD5

63cd9e127fb78609941954cf879209ea
SHA1

9531e09656122aea237eefa9fe37a9e4a8f6da1b
SHA256

fab7cd9d497c6f780dbc4f25c040112fad1df59763e610525a029bab0a53db44
SHA512

a6679ebf872cbff9b3adbcd068290a5e2f8059c2f68129a6d34445c94f2b4a507ac12dc8dce8edce0df9dc1b43897c56704d09e1cbccf4f8592d4c66e958c9fc
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/3464-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3464-56-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3464-55-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3464-63-0x0000000000400000-0x0000000000414000-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-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	fab7cd9d497c6f780dbc4f25c040112fad1df59763e610525a029bab0a53db44.exe

Executes dropped EXE 3 IoCs

pid	Process
2884	csrsll.exe
2132	csrsll.exe
3464	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 5044 set thread context of 3316	5044	fab7cd9d497c6f780dbc4f25c040112fad1df59763e610525a029bab0a53db44.exe	84
PID 2884 set thread context of 2132	2884	csrsll.exe	96
PID 2884 set thread context of 3464	2884	csrsll.exe	97

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral2/memory/5044-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/5044-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3316-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3316-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3316-11-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/5044-14-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/files/0x0008000000023cae-29.dat	upx
behavioral2/memory/2884-36-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3316-40-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2884-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2884-42-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3464-45-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3464-52-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3464-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3464-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2884-58-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3464-55-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3316-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2132-62-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3464-63-0x0000000000400000-0x0000000000414000-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	fab7cd9d497c6f780dbc4f25c040112fad1df59763e610525a029bab0a53db44.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fab7cd9d497c6f780dbc4f25c040112fad1df59763e610525a029bab0a53db44.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	2132	csrsll.exe
Token: SeDebugPrivilege	2132	csrsll.exe
Token: SeDebugPrivilege	2132	csrsll.exe
Token: SeDebugPrivilege	2132	csrsll.exe
Token: SeDebugPrivilege	2132	csrsll.exe
Token: SeDebugPrivilege	2132	csrsll.exe
Token: SeDebugPrivilege	2132	csrsll.exe
Token: SeDebugPrivilege	2132	csrsll.exe
Token: SeDebugPrivilege	2132	csrsll.exe
Token: SeDebugPrivilege	2132	csrsll.exe
Token: SeDebugPrivilege	2132	csrsll.exe
Token: SeDebugPrivilege	2132	csrsll.exe
Token: SeDebugPrivilege	2132	csrsll.exe
Token: SeDebugPrivilege	2132	csrsll.exe
Token: SeDebugPrivilege	2132	csrsll.exe
Token: SeDebugPrivilege	2132	csrsll.exe
Token: SeDebugPrivilege	2132	csrsll.exe
Token: SeDebugPrivilege	2132	csrsll.exe
Token: SeDebugPrivilege	2132	csrsll.exe
Token: SeDebugPrivilege	2132	csrsll.exe
Token: SeDebugPrivilege	2132	csrsll.exe
Token: SeDebugPrivilege	2132	csrsll.exe
Token: SeDebugPrivilege	2132	csrsll.exe
Token: SeDebugPrivilege	2132	csrsll.exe
Token: SeDebugPrivilege	2132	csrsll.exe
Token: SeDebugPrivilege	2132	csrsll.exe
Token: SeDebugPrivilege	2132	csrsll.exe
Token: SeDebugPrivilege	2132	csrsll.exe
Token: SeDebugPrivilege	2132	csrsll.exe
Token: SeDebugPrivilege	2132	csrsll.exe
Token: SeDebugPrivilege	2132	csrsll.exe
Token: SeDebugPrivilege	2132	csrsll.exe
Token: SeDebugPrivilege	2132	csrsll.exe
Token: SeDebugPrivilege	2132	csrsll.exe
Token: SeDebugPrivilege	2132	csrsll.exe
Token: SeDebugPrivilege	2132	csrsll.exe
Token: SeDebugPrivilege	2132	csrsll.exe
Token: SeDebugPrivilege	2132	csrsll.exe
Token: SeDebugPrivilege	2132	csrsll.exe
Token: SeDebugPrivilege	2132	csrsll.exe
Token: SeDebugPrivilege	2132	csrsll.exe
Token: SeDebugPrivilege	2132	csrsll.exe
Token: SeDebugPrivilege	2132	csrsll.exe
Token: SeDebugPrivilege	2132	csrsll.exe
Token: SeDebugPrivilege	2132	csrsll.exe
Token: SeDebugPrivilege	2132	csrsll.exe
Token: SeDebugPrivilege	2132	csrsll.exe
Token: SeDebugPrivilege	2132	csrsll.exe
Token: SeDebugPrivilege	2132	csrsll.exe
Token: SeDebugPrivilege	2132	csrsll.exe
Token: SeDebugPrivilege	2132	csrsll.exe
Token: SeDebugPrivilege	2132	csrsll.exe
Token: SeDebugPrivilege	2132	csrsll.exe
Token: SeDebugPrivilege	2132	csrsll.exe
Token: SeDebugPrivilege	2132	csrsll.exe
Token: SeDebugPrivilege	2132	csrsll.exe
Token: SeDebugPrivilege	2132	csrsll.exe
Token: SeDebugPrivilege	2132	csrsll.exe
Token: SeDebugPrivilege	2132	csrsll.exe
Token: SeDebugPrivilege	2132	csrsll.exe
Token: SeDebugPrivilege	2132	csrsll.exe
Token: SeDebugPrivilege	2132	csrsll.exe
Token: SeDebugPrivilege	2132	csrsll.exe
Token: SeDebugPrivilege	2132	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
5044	fab7cd9d497c6f780dbc4f25c040112fad1df59763e610525a029bab0a53db44.exe
3316	fab7cd9d497c6f780dbc4f25c040112fad1df59763e610525a029bab0a53db44.exe
2884	csrsll.exe
2132	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 5044 wrote to memory of 3316	5044	fab7cd9d497c6f780dbc4f25c040112fad1df59763e610525a029bab0a53db44.exe	84
PID 5044 wrote to memory of 3316	5044	fab7cd9d497c6f780dbc4f25c040112fad1df59763e610525a029bab0a53db44.exe	84
PID 5044 wrote to memory of 3316	5044	fab7cd9d497c6f780dbc4f25c040112fad1df59763e610525a029bab0a53db44.exe	84
PID 5044 wrote to memory of 3316	5044	fab7cd9d497c6f780dbc4f25c040112fad1df59763e610525a029bab0a53db44.exe	84
PID 5044 wrote to memory of 3316	5044	fab7cd9d497c6f780dbc4f25c040112fad1df59763e610525a029bab0a53db44.exe	84
PID 5044 wrote to memory of 3316	5044	fab7cd9d497c6f780dbc4f25c040112fad1df59763e610525a029bab0a53db44.exe	84
PID 5044 wrote to memory of 3316	5044	fab7cd9d497c6f780dbc4f25c040112fad1df59763e610525a029bab0a53db44.exe	84
PID 5044 wrote to memory of 3316	5044	fab7cd9d497c6f780dbc4f25c040112fad1df59763e610525a029bab0a53db44.exe	84
PID 3316 wrote to memory of 3928	3316	fab7cd9d497c6f780dbc4f25c040112fad1df59763e610525a029bab0a53db44.exe	85
PID 3316 wrote to memory of 3928	3316	fab7cd9d497c6f780dbc4f25c040112fad1df59763e610525a029bab0a53db44.exe	85
PID 3316 wrote to memory of 3928	3316	fab7cd9d497c6f780dbc4f25c040112fad1df59763e610525a029bab0a53db44.exe	85
PID 3928 wrote to memory of 4432	3928	cmd.exe	89
PID 3928 wrote to memory of 4432	3928	cmd.exe	89
PID 3928 wrote to memory of 4432	3928	cmd.exe	89
PID 3316 wrote to memory of 2884	3316	fab7cd9d497c6f780dbc4f25c040112fad1df59763e610525a029bab0a53db44.exe	90
PID 3316 wrote to memory of 2884	3316	fab7cd9d497c6f780dbc4f25c040112fad1df59763e610525a029bab0a53db44.exe	90
PID 3316 wrote to memory of 2884	3316	fab7cd9d497c6f780dbc4f25c040112fad1df59763e610525a029bab0a53db44.exe	90
PID 2884 wrote to memory of 2132	2884	csrsll.exe	96
PID 2884 wrote to memory of 2132	2884	csrsll.exe	96
PID 2884 wrote to memory of 2132	2884	csrsll.exe	96
PID 2884 wrote to memory of 2132	2884	csrsll.exe	96
PID 2884 wrote to memory of 2132	2884	csrsll.exe	96
PID 2884 wrote to memory of 2132	2884	csrsll.exe	96
PID 2884 wrote to memory of 2132	2884	csrsll.exe	96
PID 2884 wrote to memory of 2132	2884	csrsll.exe	96
PID 2884 wrote to memory of 3464	2884	csrsll.exe	97
PID 2884 wrote to memory of 3464	2884	csrsll.exe	97
PID 2884 wrote to memory of 3464	2884	csrsll.exe	97
PID 2884 wrote to memory of 3464	2884	csrsll.exe	97
PID 2884 wrote to memory of 3464	2884	csrsll.exe	97
PID 2884 wrote to memory of 3464	2884	csrsll.exe	97
PID 2884 wrote to memory of 3464	2884	csrsll.exe	97
PID 2884 wrote to memory of 3464	2884	csrsll.exe	97

C:\Users\Admin\AppData\Local\Temp\fab7cd9d497c6f780dbc4f25c040112fad1df59763e610525a029bab0a53db44.exe
"C:\Users\Admin\AppData\Local\Temp\fab7cd9d497c6f780dbc4f25c040112fad1df59763e610525a029bab0a53db44.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5044
- C:\Users\Admin\AppData\Local\Temp\fab7cd9d497c6f780dbc4f25c040112fad1df59763e610525a029bab0a53db44.exe
  "C:\Users\Admin\AppData\Local\Temp\fab7cd9d497c6f780dbc4f25c040112fad1df59763e610525a029bab0a53db44.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3316
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\GPXHD.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3928
  - - 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:4432
- - 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:2884
  - - 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:2132
  - - 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:3464

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\GPXHD.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
9c1275b386ac89f95b1483bb8459520d

SHA1
3681216e8013642f7e1089e7166081cd8941935e

SHA256
cd5adc9c23b3f235d06a2f949cde914b9f3361e073983636401a8293be626a3c

SHA512
377601d75257197f56a44ad2a75b91133884364504ef0deec2f004cd036a078f2509b3bcd149d138889db66c3da7c503ebd208e42d4c1c7875f0f4b7e38e0450

Download Submit
memory/2132-62-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2884-58-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2884-42-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2884-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2884-36-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3316-40-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3316-59-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/3316-11-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3316-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3316-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3316-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3464-55-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3464-45-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3464-52-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3464-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3464-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3464-63-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5044-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/5044-4-0x0000000002C70000-0x0000000002C72000-memory.dmp

Filesize
8KB

Download
memory/5044-14-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/5044-6-0x0000000002C90000-0x0000000002C92000-memory.dmp

Filesize
8KB

Download
memory/5044-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/5044-3-0x0000000002B60000-0x0000000002B62000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads