modiloader | 59e10fb86857542f1677bbde77fb48b7125f1e839359cc615a8386bd3b98b1a0

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
05-12-2024 20:06

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General

Target

59e10fb86857542f1677bbde77fb48b7125f1e839359cc615a8386bd3b98b1a0N.exe
Size

90KB
MD5

f92dca5e06b76137ed1318b9b9976320
SHA1

904c5e4ebc94d903930610aeb67956f1ec7d1bfc
SHA256

59e10fb86857542f1677bbde77fb48b7125f1e839359cc615a8386bd3b98b1a0
SHA512

50c4d76337fd58dc1d382cc7141ca110f7ec1cf2df4f233fbbbbdabe8872ba8de9ecf75fee4bf703390b1e489dfeb1b6fbd887ae400298d413d253cf0c0909dc
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/3220-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3220-58-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3220-56-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/3220-63-0x0000000000400000-0x0000000000414000-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-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	59e10fb86857542f1677bbde77fb48b7125f1e839359cc615a8386bd3b98b1a0N.exe

Executes dropped EXE 3 IoCs

pid	Process
3156	csrsll.exe
1588	csrsll.exe
3220	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-1-5-21-1045960512-3948844814-3059691613-1000\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 1100 set thread context of 2324	1100	59e10fb86857542f1677bbde77fb48b7125f1e839359cc615a8386bd3b98b1a0N.exe	84
PID 3156 set thread context of 1588	3156	csrsll.exe	98
PID 3156 set thread context of 3220	3156	csrsll.exe	99

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1100-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1100-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2324-7-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2324-9-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2324-12-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1100-13-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/files/0x0009000000023c8f-29.dat	upx
behavioral2/memory/3156-37-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3156-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2324-40-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3156-42-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3220-46-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3220-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3220-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3220-58-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3220-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/3156-55-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2324-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1588-62-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3220-63-0x0000000000400000-0x0000000000414000-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	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	59e10fb86857542f1677bbde77fb48b7125f1e839359cc615a8386bd3b98b1a0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	59e10fb86857542f1677bbde77fb48b7125f1e839359cc615a8386bd3b98b1a0N.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

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe
Token: SeDebugPrivilege	1588	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1100	59e10fb86857542f1677bbde77fb48b7125f1e839359cc615a8386bd3b98b1a0N.exe
2324	59e10fb86857542f1677bbde77fb48b7125f1e839359cc615a8386bd3b98b1a0N.exe
3156	csrsll.exe
1588	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 1100 wrote to memory of 2324	1100	59e10fb86857542f1677bbde77fb48b7125f1e839359cc615a8386bd3b98b1a0N.exe	84
PID 1100 wrote to memory of 2324	1100	59e10fb86857542f1677bbde77fb48b7125f1e839359cc615a8386bd3b98b1a0N.exe	84
PID 1100 wrote to memory of 2324	1100	59e10fb86857542f1677bbde77fb48b7125f1e839359cc615a8386bd3b98b1a0N.exe	84
PID 1100 wrote to memory of 2324	1100	59e10fb86857542f1677bbde77fb48b7125f1e839359cc615a8386bd3b98b1a0N.exe	84
PID 1100 wrote to memory of 2324	1100	59e10fb86857542f1677bbde77fb48b7125f1e839359cc615a8386bd3b98b1a0N.exe	84
PID 1100 wrote to memory of 2324	1100	59e10fb86857542f1677bbde77fb48b7125f1e839359cc615a8386bd3b98b1a0N.exe	84
PID 1100 wrote to memory of 2324	1100	59e10fb86857542f1677bbde77fb48b7125f1e839359cc615a8386bd3b98b1a0N.exe	84
PID 1100 wrote to memory of 2324	1100	59e10fb86857542f1677bbde77fb48b7125f1e839359cc615a8386bd3b98b1a0N.exe	84
PID 2324 wrote to memory of 4352	2324	59e10fb86857542f1677bbde77fb48b7125f1e839359cc615a8386bd3b98b1a0N.exe	85
PID 2324 wrote to memory of 4352	2324	59e10fb86857542f1677bbde77fb48b7125f1e839359cc615a8386bd3b98b1a0N.exe	85
PID 2324 wrote to memory of 4352	2324	59e10fb86857542f1677bbde77fb48b7125f1e839359cc615a8386bd3b98b1a0N.exe	85
PID 4352 wrote to memory of 3304	4352	cmd.exe	89
PID 4352 wrote to memory of 3304	4352	cmd.exe	89
PID 4352 wrote to memory of 3304	4352	cmd.exe	89
PID 2324 wrote to memory of 3156	2324	59e10fb86857542f1677bbde77fb48b7125f1e839359cc615a8386bd3b98b1a0N.exe	90
PID 2324 wrote to memory of 3156	2324	59e10fb86857542f1677bbde77fb48b7125f1e839359cc615a8386bd3b98b1a0N.exe	90
PID 2324 wrote to memory of 3156	2324	59e10fb86857542f1677bbde77fb48b7125f1e839359cc615a8386bd3b98b1a0N.exe	90
PID 3156 wrote to memory of 1588	3156	csrsll.exe	98
PID 3156 wrote to memory of 1588	3156	csrsll.exe	98
PID 3156 wrote to memory of 1588	3156	csrsll.exe	98
PID 3156 wrote to memory of 1588	3156	csrsll.exe	98
PID 3156 wrote to memory of 1588	3156	csrsll.exe	98
PID 3156 wrote to memory of 1588	3156	csrsll.exe	98
PID 3156 wrote to memory of 1588	3156	csrsll.exe	98
PID 3156 wrote to memory of 1588	3156	csrsll.exe	98
PID 3156 wrote to memory of 3220	3156	csrsll.exe	99
PID 3156 wrote to memory of 3220	3156	csrsll.exe	99
PID 3156 wrote to memory of 3220	3156	csrsll.exe	99
PID 3156 wrote to memory of 3220	3156	csrsll.exe	99
PID 3156 wrote to memory of 3220	3156	csrsll.exe	99
PID 3156 wrote to memory of 3220	3156	csrsll.exe	99
PID 3156 wrote to memory of 3220	3156	csrsll.exe	99
PID 3156 wrote to memory of 3220	3156	csrsll.exe	99

C:\Users\Admin\AppData\Local\Temp\59e10fb86857542f1677bbde77fb48b7125f1e839359cc615a8386bd3b98b1a0N.exe
"C:\Users\Admin\AppData\Local\Temp\59e10fb86857542f1677bbde77fb48b7125f1e839359cc615a8386bd3b98b1a0N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1100
- C:\Users\Admin\AppData\Local\Temp\59e10fb86857542f1677bbde77fb48b7125f1e839359cc615a8386bd3b98b1a0N.exe
  "C:\Users\Admin\AppData\Local\Temp\59e10fb86857542f1677bbde77fb48b7125f1e839359cc615a8386bd3b98b1a0N.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2324
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\CEUQR.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4352
  - - 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:3304
- - 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:3156
  - - 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:1588
  - - 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:3220

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\CEUQR.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
f6b9d9e5c14dc9fd351af62086c6008d

SHA1
7493fd35137739f9da577071e07e9efb355d28ed

SHA256
6f6f41a92837a3c6f924115383e2d17f7bde545c354b4885ffb0ac9cd5271d7d

SHA512
08573d4d40ff329845f829ad2e2b632e8b6892c8ca873e3047413fd4a1064a2d53345a289449d15a94daa7b410b3ca0827e6d155c6485c714c099647fa5ca452

Download Submit
memory/1100-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1100-6-0x0000000002BA0000-0x0000000002BA2000-memory.dmp

Filesize
8KB

Download
memory/1100-13-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1100-4-0x0000000002B80000-0x0000000002B82000-memory.dmp

Filesize
8KB

Download
memory/1100-3-0x0000000002B70000-0x0000000002B72000-memory.dmp

Filesize
8KB

Download
memory/1100-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1588-62-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2324-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2324-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2324-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2324-12-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2324-40-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2324-59-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/3156-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3156-55-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3156-42-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3156-37-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3220-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3220-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3220-58-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3220-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3220-46-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3220-63-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads