modiloader | cc82e99c89a9dafef30260114c81d9623caf5a6325105116273e78b90547ac33

Analysis

max time kernel
119s
max time network
17s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
17-12-2024 10:33

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General

Target

cc82e99c89a9dafef30260114c81d9623caf5a6325105116273e78b90547ac33N.exe
Size

90KB
MD5

1a4646afb2af5956538f1e7697c568b0
SHA1

cb8757df7a7d38ec1c90eb536f64539dc9345f1e
SHA256

cc82e99c89a9dafef30260114c81d9623caf5a6325105116273e78b90547ac33
SHA512

ea758076c8a9f7421ba30db35d9a679566e0af17bc9ab72a817a34c3599d015f04f0cd572c65232b915eb42ea19c0ba11ee73d7190780446e5f27e3216150695
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDD:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE31

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 1 IoCs

resource	yara_rule
behavioral1/memory/1612-259-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
2616	csrsll.exe
604	csrsll.exe
1612	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
2004	cc82e99c89a9dafef30260114c81d9623caf5a6325105116273e78b90547ac33N.exe
2004	cc82e99c89a9dafef30260114c81d9623caf5a6325105116273e78b90547ac33N.exe
2004	cc82e99c89a9dafef30260114c81d9623caf5a6325105116273e78b90547ac33N.exe
2004	cc82e99c89a9dafef30260114c81d9623caf5a6325105116273e78b90547ac33N.exe
2004	cc82e99c89a9dafef30260114c81d9623caf5a6325105116273e78b90547ac33N.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-1-5-21-2703099537-420551529-3771253338-1000\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 1792 set thread context of 2004	1792	cc82e99c89a9dafef30260114c81d9623caf5a6325105116273e78b90547ac33N.exe	30
PID 2616 set thread context of 604	2616	csrsll.exe	35
PID 2616 set thread context of 1612	2616	csrsll.exe	36

UPX packed file 21 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1792-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1792-91-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1792-82-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1792-81-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1792-26-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2004-101-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2004-105-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1792-103-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2004-96-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2004-94-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2004-106-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2004-107-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2004-108-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x00090000000120fe-133.dat	upx
behavioral1/memory/2004-151-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2616-210-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2616-244-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1612-249-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/2004-254-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/604-256-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1612-259-0x0000000000400000-0x0000000000414000-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	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cc82e99c89a9dafef30260114c81d9623caf5a6325105116273e78b90547ac33N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cc82e99c89a9dafef30260114c81d9623caf5a6325105116273e78b90547ac33N.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

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	604	csrsll.exe
Token: SeDebugPrivilege	604	csrsll.exe
Token: SeDebugPrivilege	604	csrsll.exe
Token: SeDebugPrivilege	604	csrsll.exe
Token: SeDebugPrivilege	604	csrsll.exe
Token: SeDebugPrivilege	604	csrsll.exe
Token: SeDebugPrivilege	604	csrsll.exe
Token: SeDebugPrivilege	604	csrsll.exe
Token: SeDebugPrivilege	604	csrsll.exe
Token: SeDebugPrivilege	604	csrsll.exe
Token: SeDebugPrivilege	604	csrsll.exe
Token: SeDebugPrivilege	604	csrsll.exe
Token: SeDebugPrivilege	604	csrsll.exe
Token: SeDebugPrivilege	604	csrsll.exe
Token: SeDebugPrivilege	604	csrsll.exe
Token: SeDebugPrivilege	604	csrsll.exe
Token: SeDebugPrivilege	604	csrsll.exe
Token: SeDebugPrivilege	604	csrsll.exe
Token: SeDebugPrivilege	604	csrsll.exe
Token: SeDebugPrivilege	604	csrsll.exe
Token: SeDebugPrivilege	604	csrsll.exe
Token: SeDebugPrivilege	604	csrsll.exe
Token: SeDebugPrivilege	604	csrsll.exe
Token: SeDebugPrivilege	604	csrsll.exe
Token: SeDebugPrivilege	604	csrsll.exe
Token: SeDebugPrivilege	604	csrsll.exe
Token: SeDebugPrivilege	604	csrsll.exe
Token: SeDebugPrivilege	604	csrsll.exe
Token: SeDebugPrivilege	604	csrsll.exe
Token: SeDebugPrivilege	604	csrsll.exe
Token: SeDebugPrivilege	604	csrsll.exe
Token: SeDebugPrivilege	604	csrsll.exe
Token: SeDebugPrivilege	604	csrsll.exe
Token: SeDebugPrivilege	604	csrsll.exe
Token: SeDebugPrivilege	604	csrsll.exe
Token: SeDebugPrivilege	604	csrsll.exe
Token: SeDebugPrivilege	604	csrsll.exe
Token: SeDebugPrivilege	604	csrsll.exe
Token: SeDebugPrivilege	604	csrsll.exe
Token: SeDebugPrivilege	604	csrsll.exe
Token: SeDebugPrivilege	604	csrsll.exe
Token: SeDebugPrivilege	604	csrsll.exe
Token: SeDebugPrivilege	604	csrsll.exe
Token: SeDebugPrivilege	604	csrsll.exe
Token: SeDebugPrivilege	604	csrsll.exe
Token: SeDebugPrivilege	604	csrsll.exe
Token: SeDebugPrivilege	604	csrsll.exe
Token: SeDebugPrivilege	604	csrsll.exe
Token: SeDebugPrivilege	604	csrsll.exe
Token: SeDebugPrivilege	604	csrsll.exe
Token: SeDebugPrivilege	604	csrsll.exe
Token: SeDebugPrivilege	604	csrsll.exe
Token: SeDebugPrivilege	604	csrsll.exe
Token: SeDebugPrivilege	604	csrsll.exe
Token: SeDebugPrivilege	604	csrsll.exe
Token: SeDebugPrivilege	604	csrsll.exe
Token: SeDebugPrivilege	604	csrsll.exe
Token: SeDebugPrivilege	604	csrsll.exe
Token: SeDebugPrivilege	604	csrsll.exe
Token: SeDebugPrivilege	604	csrsll.exe
Token: SeDebugPrivilege	604	csrsll.exe
Token: SeDebugPrivilege	604	csrsll.exe
Token: SeDebugPrivilege	604	csrsll.exe
Token: SeDebugPrivilege	604	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1792	cc82e99c89a9dafef30260114c81d9623caf5a6325105116273e78b90547ac33N.exe
2004	cc82e99c89a9dafef30260114c81d9623caf5a6325105116273e78b90547ac33N.exe
2616	csrsll.exe
604	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 1792 wrote to memory of 2004	1792	cc82e99c89a9dafef30260114c81d9623caf5a6325105116273e78b90547ac33N.exe	30
PID 1792 wrote to memory of 2004	1792	cc82e99c89a9dafef30260114c81d9623caf5a6325105116273e78b90547ac33N.exe	30
PID 1792 wrote to memory of 2004	1792	cc82e99c89a9dafef30260114c81d9623caf5a6325105116273e78b90547ac33N.exe	30
PID 1792 wrote to memory of 2004	1792	cc82e99c89a9dafef30260114c81d9623caf5a6325105116273e78b90547ac33N.exe	30
PID 1792 wrote to memory of 2004	1792	cc82e99c89a9dafef30260114c81d9623caf5a6325105116273e78b90547ac33N.exe	30
PID 1792 wrote to memory of 2004	1792	cc82e99c89a9dafef30260114c81d9623caf5a6325105116273e78b90547ac33N.exe	30
PID 1792 wrote to memory of 2004	1792	cc82e99c89a9dafef30260114c81d9623caf5a6325105116273e78b90547ac33N.exe	30
PID 1792 wrote to memory of 2004	1792	cc82e99c89a9dafef30260114c81d9623caf5a6325105116273e78b90547ac33N.exe	30
PID 2004 wrote to memory of 2384	2004	cc82e99c89a9dafef30260114c81d9623caf5a6325105116273e78b90547ac33N.exe	31
PID 2004 wrote to memory of 2384	2004	cc82e99c89a9dafef30260114c81d9623caf5a6325105116273e78b90547ac33N.exe	31
PID 2004 wrote to memory of 2384	2004	cc82e99c89a9dafef30260114c81d9623caf5a6325105116273e78b90547ac33N.exe	31
PID 2004 wrote to memory of 2384	2004	cc82e99c89a9dafef30260114c81d9623caf5a6325105116273e78b90547ac33N.exe	31
PID 2384 wrote to memory of 2876	2384	cmd.exe	33
PID 2384 wrote to memory of 2876	2384	cmd.exe	33
PID 2384 wrote to memory of 2876	2384	cmd.exe	33
PID 2384 wrote to memory of 2876	2384	cmd.exe	33
PID 2004 wrote to memory of 2616	2004	cc82e99c89a9dafef30260114c81d9623caf5a6325105116273e78b90547ac33N.exe	34
PID 2004 wrote to memory of 2616	2004	cc82e99c89a9dafef30260114c81d9623caf5a6325105116273e78b90547ac33N.exe	34
PID 2004 wrote to memory of 2616	2004	cc82e99c89a9dafef30260114c81d9623caf5a6325105116273e78b90547ac33N.exe	34
PID 2004 wrote to memory of 2616	2004	cc82e99c89a9dafef30260114c81d9623caf5a6325105116273e78b90547ac33N.exe	34
PID 2616 wrote to memory of 604	2616	csrsll.exe	35
PID 2616 wrote to memory of 604	2616	csrsll.exe	35
PID 2616 wrote to memory of 604	2616	csrsll.exe	35
PID 2616 wrote to memory of 604	2616	csrsll.exe	35
PID 2616 wrote to memory of 604	2616	csrsll.exe	35
PID 2616 wrote to memory of 604	2616	csrsll.exe	35
PID 2616 wrote to memory of 604	2616	csrsll.exe	35
PID 2616 wrote to memory of 604	2616	csrsll.exe	35
PID 2616 wrote to memory of 1612	2616	csrsll.exe	36
PID 2616 wrote to memory of 1612	2616	csrsll.exe	36
PID 2616 wrote to memory of 1612	2616	csrsll.exe	36
PID 2616 wrote to memory of 1612	2616	csrsll.exe	36
PID 2616 wrote to memory of 1612	2616	csrsll.exe	36
PID 2616 wrote to memory of 1612	2616	csrsll.exe	36
PID 2616 wrote to memory of 1612	2616	csrsll.exe	36
PID 2616 wrote to memory of 1612	2616	csrsll.exe	36

C:\Users\Admin\AppData\Local\Temp\cc82e99c89a9dafef30260114c81d9623caf5a6325105116273e78b90547ac33N.exe
"C:\Users\Admin\AppData\Local\Temp\cc82e99c89a9dafef30260114c81d9623caf5a6325105116273e78b90547ac33N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1792
- C:\Users\Admin\AppData\Local\Temp\cc82e99c89a9dafef30260114c81d9623caf5a6325105116273e78b90547ac33N.exe
  "C:\Users\Admin\AppData\Local\Temp\cc82e99c89a9dafef30260114c81d9623caf5a6325105116273e78b90547ac33N.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2004
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\UMBVS.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2384
  - - 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:2876
- - 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:2616
  - - 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:604
  - - 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:1612

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

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\UMBVS.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
ae7a89f164a7ea851866e2988b3f173e

SHA1
0f708cdcf94d28b3b30c24beb749707c5b49da63

SHA256
ac4bbd7ece27f96c790079c7537f10485fc345944c1870a3ed0cf8d87470e41b

SHA512
7105bbb8e2f4857366cd8dbed844fb825762533f7513fd469eb460a88f763f9a88543aedfad4e2cf80c65acee490108335715a870f8a3dc242eed00647f5f4f8

Download Submit
memory/604-256-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1612-249-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1612-259-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1792-82-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1792-26-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1792-79-0x0000000000540000-0x0000000000542000-memory.dmp

Filesize
8KB

Download
memory/1792-71-0x0000000000510000-0x0000000000511000-memory.dmp

Filesize
4KB

Download
memory/1792-61-0x00000000004F0000-0x00000000004F1000-memory.dmp

Filesize
4KB

Download
memory/1792-41-0x0000000000470000-0x0000000000471000-memory.dmp

Filesize
4KB

Download
memory/1792-29-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/1792-81-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1792-25-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/1792-91-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1792-5-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/1792-103-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1792-15-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/1792-98-0x0000000001D60000-0x0000000001DB3000-memory.dmp

Filesize
332KB

Download
memory/1792-3-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/1792-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2004-94-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2004-151-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2004-107-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2004-108-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2004-92-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2004-96-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2004-147-0x0000000003200000-0x0000000003253000-memory.dmp

Filesize
332KB

Download
memory/2004-99-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2004-152-0x00000000031F0000-0x0000000003243000-memory.dmp

Filesize
332KB

Download
memory/2004-106-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2004-101-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2004-105-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2004-254-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2004-248-0x0000000003200000-0x0000000003253000-memory.dmp

Filesize
332KB

Download
memory/2616-155-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2616-244-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2616-165-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/2616-176-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/2616-210-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads