modiloader | dcbe4124b781995811a2b2658784a77a65881fa00e76d1a02772728119ffaff7

Analysis

max time kernel
148s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04-12-2024 03:33

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General

Target

dcbe4124b781995811a2b2658784a77a65881fa00e76d1a02772728119ffaff7.exe
Size

90KB
MD5

f495f63531a8d8e37b6450f92b9dda64
SHA1

ddca8841e99b338bdcb4f2b406b9d594d45ba891
SHA256

dcbe4124b781995811a2b2658784a77a65881fa00e76d1a02772728119ffaff7
SHA512

2c64f8e388517529759881cb8a2e5f2bbeabd45bfc83d90aa7eab8fd892d0f9df7c6fb1c1fb4d7722b1bcc28b61522b7240b6d5fe8fe345f1149633adccf0890
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oD5:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3/

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 2 IoCs

resource	yara_rule
behavioral1/memory/912-254-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral1/memory/912-262-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
1932	csrsll.exe
1536	csrsll.exe
912	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
2588	dcbe4124b781995811a2b2658784a77a65881fa00e76d1a02772728119ffaff7.exe
2588	dcbe4124b781995811a2b2658784a77a65881fa00e76d1a02772728119ffaff7.exe
2588	dcbe4124b781995811a2b2658784a77a65881fa00e76d1a02772728119ffaff7.exe
2588	dcbe4124b781995811a2b2658784a77a65881fa00e76d1a02772728119ffaff7.exe
2588	dcbe4124b781995811a2b2658784a77a65881fa00e76d1a02772728119ffaff7.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-1-5-21-1846800975-3917212583-2893086201-1000\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 1916 set thread context of 2588	1916	dcbe4124b781995811a2b2658784a77a65881fa00e76d1a02772728119ffaff7.exe	31
PID 1932 set thread context of 1536	1932	csrsll.exe	36
PID 1932 set thread context of 912	1932	csrsll.exe	37

UPX packed file 21 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1916-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1916-26-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1916-89-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2588-94-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2588-92-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2588-99-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2588-104-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1916-107-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2588-109-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2588-103-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2588-102-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x000d00000001226a-132.dat	upx
behavioral1/memory/1932-150-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2588-153-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1932-216-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/912-254-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/2588-258-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1932-256-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1932-253-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1536-259-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/912-262-0x0000000000400000-0x0000000000414000-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	dcbe4124b781995811a2b2658784a77a65881fa00e76d1a02772728119ffaff7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dcbe4124b781995811a2b2658784a77a65881fa00e76d1a02772728119ffaff7.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	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe
Token: SeDebugPrivilege	1536	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1916	dcbe4124b781995811a2b2658784a77a65881fa00e76d1a02772728119ffaff7.exe
2588	dcbe4124b781995811a2b2658784a77a65881fa00e76d1a02772728119ffaff7.exe
1932	csrsll.exe
1536	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 1916 wrote to memory of 2588	1916	dcbe4124b781995811a2b2658784a77a65881fa00e76d1a02772728119ffaff7.exe	31
PID 1916 wrote to memory of 2588	1916	dcbe4124b781995811a2b2658784a77a65881fa00e76d1a02772728119ffaff7.exe	31
PID 1916 wrote to memory of 2588	1916	dcbe4124b781995811a2b2658784a77a65881fa00e76d1a02772728119ffaff7.exe	31
PID 1916 wrote to memory of 2588	1916	dcbe4124b781995811a2b2658784a77a65881fa00e76d1a02772728119ffaff7.exe	31
PID 1916 wrote to memory of 2588	1916	dcbe4124b781995811a2b2658784a77a65881fa00e76d1a02772728119ffaff7.exe	31
PID 1916 wrote to memory of 2588	1916	dcbe4124b781995811a2b2658784a77a65881fa00e76d1a02772728119ffaff7.exe	31
PID 1916 wrote to memory of 2588	1916	dcbe4124b781995811a2b2658784a77a65881fa00e76d1a02772728119ffaff7.exe	31
PID 1916 wrote to memory of 2588	1916	dcbe4124b781995811a2b2658784a77a65881fa00e76d1a02772728119ffaff7.exe	31
PID 2588 wrote to memory of 984	2588	dcbe4124b781995811a2b2658784a77a65881fa00e76d1a02772728119ffaff7.exe	32
PID 2588 wrote to memory of 984	2588	dcbe4124b781995811a2b2658784a77a65881fa00e76d1a02772728119ffaff7.exe	32
PID 2588 wrote to memory of 984	2588	dcbe4124b781995811a2b2658784a77a65881fa00e76d1a02772728119ffaff7.exe	32
PID 2588 wrote to memory of 984	2588	dcbe4124b781995811a2b2658784a77a65881fa00e76d1a02772728119ffaff7.exe	32
PID 984 wrote to memory of 1732	984	cmd.exe	34
PID 984 wrote to memory of 1732	984	cmd.exe	34
PID 984 wrote to memory of 1732	984	cmd.exe	34
PID 984 wrote to memory of 1732	984	cmd.exe	34
PID 2588 wrote to memory of 1932	2588	dcbe4124b781995811a2b2658784a77a65881fa00e76d1a02772728119ffaff7.exe	35
PID 2588 wrote to memory of 1932	2588	dcbe4124b781995811a2b2658784a77a65881fa00e76d1a02772728119ffaff7.exe	35
PID 2588 wrote to memory of 1932	2588	dcbe4124b781995811a2b2658784a77a65881fa00e76d1a02772728119ffaff7.exe	35
PID 2588 wrote to memory of 1932	2588	dcbe4124b781995811a2b2658784a77a65881fa00e76d1a02772728119ffaff7.exe	35
PID 1932 wrote to memory of 1536	1932	csrsll.exe	36
PID 1932 wrote to memory of 1536	1932	csrsll.exe	36
PID 1932 wrote to memory of 1536	1932	csrsll.exe	36
PID 1932 wrote to memory of 1536	1932	csrsll.exe	36
PID 1932 wrote to memory of 1536	1932	csrsll.exe	36
PID 1932 wrote to memory of 1536	1932	csrsll.exe	36
PID 1932 wrote to memory of 1536	1932	csrsll.exe	36
PID 1932 wrote to memory of 1536	1932	csrsll.exe	36
PID 1932 wrote to memory of 912	1932	csrsll.exe	37
PID 1932 wrote to memory of 912	1932	csrsll.exe	37
PID 1932 wrote to memory of 912	1932	csrsll.exe	37
PID 1932 wrote to memory of 912	1932	csrsll.exe	37
PID 1932 wrote to memory of 912	1932	csrsll.exe	37
PID 1932 wrote to memory of 912	1932	csrsll.exe	37
PID 1932 wrote to memory of 912	1932	csrsll.exe	37
PID 1932 wrote to memory of 912	1932	csrsll.exe	37

C:\Users\Admin\AppData\Local\Temp\dcbe4124b781995811a2b2658784a77a65881fa00e76d1a02772728119ffaff7.exe
"C:\Users\Admin\AppData\Local\Temp\dcbe4124b781995811a2b2658784a77a65881fa00e76d1a02772728119ffaff7.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1916
- C:\Users\Admin\AppData\Local\Temp\dcbe4124b781995811a2b2658784a77a65881fa00e76d1a02772728119ffaff7.exe
  "C:\Users\Admin\AppData\Local\Temp\dcbe4124b781995811a2b2658784a77a65881fa00e76d1a02772728119ffaff7.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2588
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\EJYWF.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:984
  - - 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:1732
- - 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:1932
  - - 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:1536
  - - 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:912

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

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Downloads

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

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
7c5445c91499b78439b432e2eb69b8de

SHA1
37a36fab992a64899c0bf87a670e47516945fc27

SHA256
641ed3f7bf30dba729cf212fe01a7661e6fdd02ba84b48794c57b503f1e7bffd

SHA512
66feb2c5bccd0cebf57c327b05dc174cf92f2d90d82acdcef08db4babb20bf8340a85dac1f519bb6ca952d57e2f7d77811cc043589aeacedfce1eff528b81213

Download Submit
memory/912-262-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/912-254-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1536-259-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1916-96-0x0000000001DA0000-0x0000000001DF3000-memory.dmp

Filesize
332KB

Download
memory/1916-5-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1916-41-0x0000000000290000-0x0000000000291000-memory.dmp

Filesize
4KB

Download
memory/1916-29-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/1916-71-0x0000000000300000-0x0000000000301000-memory.dmp

Filesize
4KB

Download
memory/1916-79-0x0000000000320000-0x0000000000322000-memory.dmp

Filesize
8KB

Download
memory/1916-89-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1916-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1916-26-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1916-21-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/1916-3-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1916-61-0x00000000002E0000-0x00000000002E1000-memory.dmp

Filesize
4KB

Download
memory/1916-15-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/1916-107-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1932-256-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1932-167-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/1932-178-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/1932-216-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1932-253-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1932-150-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1932-157-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2588-103-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2588-148-0x00000000034D0000-0x0000000003523000-memory.dmp

Filesize
332KB

Download
memory/2588-147-0x00000000034D0000-0x0000000003523000-memory.dmp

Filesize
332KB

Download
memory/2588-153-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2588-154-0x00000000034D0000-0x0000000003523000-memory.dmp

Filesize
332KB

Download
memory/2588-146-0x00000000034D0000-0x0000000003523000-memory.dmp

Filesize
332KB

Download
memory/2588-97-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2588-215-0x00000000034D0000-0x0000000003523000-memory.dmp

Filesize
332KB

Download
memory/2588-214-0x00000000034D0000-0x0000000003523000-memory.dmp

Filesize
332KB

Download
memory/2588-102-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2588-109-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2588-104-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2588-258-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2588-99-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2588-90-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2588-92-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2588-94-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads