modiloader | bce5104a612055862d948b1bed18d24acd4413a76f9eed5d2660f9846794aa6f

Analysis

max time kernel
119s
max time network
121s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
22-01-2025 12:20

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General

Target

bce5104a612055862d948b1bed18d24acd4413a76f9eed5d2660f9846794aa6fN.exe
Size

90KB
MD5

be4b4794d38e1a6b57a16cc054a67cf0
SHA1

447e931661d919fc5d929f24091be81d9a4b8771
SHA256

bce5104a612055862d948b1bed18d24acd4413a76f9eed5d2660f9846794aa6f
SHA512

6188a264a567c90df3857295e458e261ccd010c6788d8ee9060376d3364cfbbfaeda6470a7424a7e0a80aaa29b58d028c6a763af931fe6bad8f9601b24d309c7
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDP:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3l

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/2336-53-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2336-56-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2336-54-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral2/memory/2336-63-0x0000000000400000-0x0000000000414000-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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	bce5104a612055862d948b1bed18d24acd4413a76f9eed5d2660f9846794aa6fN.exe

Executes dropped EXE 3 IoCs

pid	Process
2956	csrsll.exe
1172	csrsll.exe
2336	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-1-5-21-3442511616-637977696-3186306149-1000\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 1396 set thread context of 3712	1396	bce5104a612055862d948b1bed18d24acd4413a76f9eed5d2660f9846794aa6fN.exe	82
PID 2956 set thread context of 1172	2956	csrsll.exe	93
PID 2956 set thread context of 2336	2956	csrsll.exe	94

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1396-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1396-5-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3712-8-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/3712-10-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1396-13-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3712-14-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000b000000023b99-30.dat	upx
behavioral2/memory/3712-40-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2956-41-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2956-42-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/2336-51-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2336-46-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2336-53-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2336-56-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2336-54-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/2956-58-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/3712-61-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1172-62-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2336-63-0x0000000000400000-0x0000000000414000-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	bce5104a612055862d948b1bed18d24acd4413a76f9eed5d2660f9846794aa6fN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bce5104a612055862d948b1bed18d24acd4413a76f9eed5d2660f9846794aa6fN.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	1172	csrsll.exe
Token: SeDebugPrivilege	1172	csrsll.exe
Token: SeDebugPrivilege	1172	csrsll.exe
Token: SeDebugPrivilege	1172	csrsll.exe
Token: SeDebugPrivilege	1172	csrsll.exe
Token: SeDebugPrivilege	1172	csrsll.exe
Token: SeDebugPrivilege	1172	csrsll.exe
Token: SeDebugPrivilege	1172	csrsll.exe
Token: SeDebugPrivilege	1172	csrsll.exe
Token: SeDebugPrivilege	1172	csrsll.exe
Token: SeDebugPrivilege	1172	csrsll.exe
Token: SeDebugPrivilege	1172	csrsll.exe
Token: SeDebugPrivilege	1172	csrsll.exe
Token: SeDebugPrivilege	1172	csrsll.exe
Token: SeDebugPrivilege	1172	csrsll.exe
Token: SeDebugPrivilege	1172	csrsll.exe
Token: SeDebugPrivilege	1172	csrsll.exe
Token: SeDebugPrivilege	1172	csrsll.exe
Token: SeDebugPrivilege	1172	csrsll.exe
Token: SeDebugPrivilege	1172	csrsll.exe
Token: SeDebugPrivilege	1172	csrsll.exe
Token: SeDebugPrivilege	1172	csrsll.exe
Token: SeDebugPrivilege	1172	csrsll.exe
Token: SeDebugPrivilege	1172	csrsll.exe
Token: SeDebugPrivilege	1172	csrsll.exe
Token: SeDebugPrivilege	1172	csrsll.exe
Token: SeDebugPrivilege	1172	csrsll.exe
Token: SeDebugPrivilege	1172	csrsll.exe
Token: SeDebugPrivilege	1172	csrsll.exe
Token: SeDebugPrivilege	1172	csrsll.exe
Token: SeDebugPrivilege	1172	csrsll.exe
Token: SeDebugPrivilege	1172	csrsll.exe
Token: SeDebugPrivilege	1172	csrsll.exe
Token: SeDebugPrivilege	1172	csrsll.exe
Token: SeDebugPrivilege	1172	csrsll.exe
Token: SeDebugPrivilege	1172	csrsll.exe
Token: SeDebugPrivilege	1172	csrsll.exe
Token: SeDebugPrivilege	1172	csrsll.exe
Token: SeDebugPrivilege	1172	csrsll.exe
Token: SeDebugPrivilege	1172	csrsll.exe
Token: SeDebugPrivilege	1172	csrsll.exe
Token: SeDebugPrivilege	1172	csrsll.exe
Token: SeDebugPrivilege	1172	csrsll.exe
Token: SeDebugPrivilege	1172	csrsll.exe
Token: SeDebugPrivilege	1172	csrsll.exe
Token: SeDebugPrivilege	1172	csrsll.exe
Token: SeDebugPrivilege	1172	csrsll.exe
Token: SeDebugPrivilege	1172	csrsll.exe
Token: SeDebugPrivilege	1172	csrsll.exe
Token: SeDebugPrivilege	1172	csrsll.exe
Token: SeDebugPrivilege	1172	csrsll.exe
Token: SeDebugPrivilege	1172	csrsll.exe
Token: SeDebugPrivilege	1172	csrsll.exe
Token: SeDebugPrivilege	1172	csrsll.exe
Token: SeDebugPrivilege	1172	csrsll.exe
Token: SeDebugPrivilege	1172	csrsll.exe
Token: SeDebugPrivilege	1172	csrsll.exe
Token: SeDebugPrivilege	1172	csrsll.exe
Token: SeDebugPrivilege	1172	csrsll.exe
Token: SeDebugPrivilege	1172	csrsll.exe
Token: SeDebugPrivilege	1172	csrsll.exe
Token: SeDebugPrivilege	1172	csrsll.exe
Token: SeDebugPrivilege	1172	csrsll.exe
Token: SeDebugPrivilege	1172	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1396	bce5104a612055862d948b1bed18d24acd4413a76f9eed5d2660f9846794aa6fN.exe
3712	bce5104a612055862d948b1bed18d24acd4413a76f9eed5d2660f9846794aa6fN.exe
2956	csrsll.exe
1172	csrsll.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 1396 wrote to memory of 3712	1396	bce5104a612055862d948b1bed18d24acd4413a76f9eed5d2660f9846794aa6fN.exe	82
PID 1396 wrote to memory of 3712	1396	bce5104a612055862d948b1bed18d24acd4413a76f9eed5d2660f9846794aa6fN.exe	82
PID 1396 wrote to memory of 3712	1396	bce5104a612055862d948b1bed18d24acd4413a76f9eed5d2660f9846794aa6fN.exe	82
PID 1396 wrote to memory of 3712	1396	bce5104a612055862d948b1bed18d24acd4413a76f9eed5d2660f9846794aa6fN.exe	82
PID 1396 wrote to memory of 3712	1396	bce5104a612055862d948b1bed18d24acd4413a76f9eed5d2660f9846794aa6fN.exe	82
PID 1396 wrote to memory of 3712	1396	bce5104a612055862d948b1bed18d24acd4413a76f9eed5d2660f9846794aa6fN.exe	82
PID 1396 wrote to memory of 3712	1396	bce5104a612055862d948b1bed18d24acd4413a76f9eed5d2660f9846794aa6fN.exe	82
PID 1396 wrote to memory of 3712	1396	bce5104a612055862d948b1bed18d24acd4413a76f9eed5d2660f9846794aa6fN.exe	82
PID 3712 wrote to memory of 2492	3712	bce5104a612055862d948b1bed18d24acd4413a76f9eed5d2660f9846794aa6fN.exe	83
PID 3712 wrote to memory of 2492	3712	bce5104a612055862d948b1bed18d24acd4413a76f9eed5d2660f9846794aa6fN.exe	83
PID 3712 wrote to memory of 2492	3712	bce5104a612055862d948b1bed18d24acd4413a76f9eed5d2660f9846794aa6fN.exe	83
PID 2492 wrote to memory of 5012	2492	cmd.exe	86
PID 2492 wrote to memory of 5012	2492	cmd.exe	86
PID 2492 wrote to memory of 5012	2492	cmd.exe	86
PID 3712 wrote to memory of 2956	3712	bce5104a612055862d948b1bed18d24acd4413a76f9eed5d2660f9846794aa6fN.exe	87
PID 3712 wrote to memory of 2956	3712	bce5104a612055862d948b1bed18d24acd4413a76f9eed5d2660f9846794aa6fN.exe	87
PID 3712 wrote to memory of 2956	3712	bce5104a612055862d948b1bed18d24acd4413a76f9eed5d2660f9846794aa6fN.exe	87
PID 2956 wrote to memory of 1172	2956	csrsll.exe	93
PID 2956 wrote to memory of 1172	2956	csrsll.exe	93
PID 2956 wrote to memory of 1172	2956	csrsll.exe	93
PID 2956 wrote to memory of 1172	2956	csrsll.exe	93
PID 2956 wrote to memory of 1172	2956	csrsll.exe	93
PID 2956 wrote to memory of 1172	2956	csrsll.exe	93
PID 2956 wrote to memory of 1172	2956	csrsll.exe	93
PID 2956 wrote to memory of 1172	2956	csrsll.exe	93
PID 2956 wrote to memory of 2336	2956	csrsll.exe	94
PID 2956 wrote to memory of 2336	2956	csrsll.exe	94
PID 2956 wrote to memory of 2336	2956	csrsll.exe	94
PID 2956 wrote to memory of 2336	2956	csrsll.exe	94
PID 2956 wrote to memory of 2336	2956	csrsll.exe	94
PID 2956 wrote to memory of 2336	2956	csrsll.exe	94
PID 2956 wrote to memory of 2336	2956	csrsll.exe	94
PID 2956 wrote to memory of 2336	2956	csrsll.exe	94

C:\Users\Admin\AppData\Local\Temp\bce5104a612055862d948b1bed18d24acd4413a76f9eed5d2660f9846794aa6fN.exe
"C:\Users\Admin\AppData\Local\Temp\bce5104a612055862d948b1bed18d24acd4413a76f9eed5d2660f9846794aa6fN.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1396
- C:\Users\Admin\AppData\Local\Temp\bce5104a612055862d948b1bed18d24acd4413a76f9eed5d2660f9846794aa6fN.exe
  "C:\Users\Admin\AppData\Local\Temp\bce5104a612055862d948b1bed18d24acd4413a76f9eed5d2660f9846794aa6fN.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3712
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\PKPLM.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2492
  - - 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:5012
- - 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:2956
  - - 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:1172
  - - 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:2336

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\PKPLM.txt

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
d0bfdde51efc93c6c67c99f5437e8f39

SHA1
d8c4e22bf7947477655e5bb6741db916f323212e

SHA256
ad59e695e32ee87b0b885ae9b16d2ce890a90a0cec38a6a9b90fbb5dcf4f4e73

SHA512
e11935b831cd6cc39eb2bc5bd251eed9df36c238e83dcf689d12bafa68626f269b506724c5b8cd678e25c42a6060c7e4d72a514eedbd104fa8ff0cf43b5a0280

Download Submit
memory/1172-62-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1396-5-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1396-6-0x0000000002A50000-0x0000000002A52000-memory.dmp

Filesize
8KB

Download
memory/1396-13-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1396-4-0x0000000002A30000-0x0000000002A32000-memory.dmp

Filesize
8KB

Download
memory/1396-3-0x0000000002A20000-0x0000000002A22000-memory.dmp

Filesize
8KB

Download
memory/1396-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2336-63-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2336-46-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2336-54-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2336-56-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2336-53-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2336-51-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2956-41-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2956-42-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2956-58-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/3712-40-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3712-14-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3712-61-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3712-59-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/3712-10-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3712-8-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads