modiloader | e62ec0ee6f480c2c8710c60945962804062aa268087950d0639f8366b438d4ce

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25-09-2024 00:56

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General

Target

e62ec0ee6f480c2c8710c60945962804062aa268087950d0639f8366b438d4ceN.exe
Size

90KB
MD5

b5568c1423c947f55b2ed0c5622b3950
SHA1

5d3bd69dd8d10f999a8d9998681bc3c9dd0fbe8c
SHA256

e62ec0ee6f480c2c8710c60945962804062aa268087950d0639f8366b438d4ce
SHA512

01d8dfbca6846b3fdd37aaf984f3f0af9d5cfce800dca2d7967a3786c4bb073f3721de4858e50094e2721315d7e3d345af8762e85d586abd71e97bef49d55a88
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 Second Stage 2 IoCs

resource	yara_rule
behavioral1/memory/284-256-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral1/memory/284-264-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
588	csrsll.exe
2020	csrsll.exe
284	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
2164	e62ec0ee6f480c2c8710c60945962804062aa268087950d0639f8366b438d4ceN.exe
2164	e62ec0ee6f480c2c8710c60945962804062aa268087950d0639f8366b438d4ceN.exe
2164	e62ec0ee6f480c2c8710c60945962804062aa268087950d0639f8366b438d4ceN.exe
2164	e62ec0ee6f480c2c8710c60945962804062aa268087950d0639f8366b438d4ceN.exe
2164	e62ec0ee6f480c2c8710c60945962804062aa268087950d0639f8366b438d4ceN.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-1-5-21-4177215427-74451935-3209572229-1000\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 1192 set thread context of 2164	1192	e62ec0ee6f480c2c8710c60945962804062aa268087950d0639f8366b438d4ceN.exe	30
PID 588 set thread context of 2020	588	csrsll.exe	36
PID 588 set thread context of 284	588	csrsll.exe	37

UPX packed file 21 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1192-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1192-26-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1192-89-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2164-94-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2164-98-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2164-105-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2164-103-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2164-102-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1192-101-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2164-92-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2164-145-0x0000000002610000-0x0000000002663000-memory.dmp	upx
behavioral1/files/0x000a0000000120ce-143.dat	upx
behavioral1/memory/588-151-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2164-154-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/588-222-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/588-259-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/284-256-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/2020-255-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2164-262-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/284-264-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/2020-263-0x0000000000400000-0x000000000040B000-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	csrsll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e62ec0ee6f480c2c8710c60945962804062aa268087950d0639f8366b438d4ceN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e62ec0ee6f480c2c8710c60945962804062aa268087950d0639f8366b438d4ceN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2020	csrsll.exe
Token: SeDebugPrivilege	2020	csrsll.exe
Token: SeDebugPrivilege	2020	csrsll.exe
Token: SeDebugPrivilege	2020	csrsll.exe
Token: SeDebugPrivilege	2020	csrsll.exe
Token: SeDebugPrivilege	2020	csrsll.exe
Token: SeDebugPrivilege	2020	csrsll.exe
Token: SeDebugPrivilege	2020	csrsll.exe
Token: SeDebugPrivilege	2020	csrsll.exe
Token: SeDebugPrivilege	2020	csrsll.exe
Token: SeDebugPrivilege	2020	csrsll.exe
Token: SeDebugPrivilege	2020	csrsll.exe
Token: SeDebugPrivilege	2020	csrsll.exe
Token: SeDebugPrivilege	2020	csrsll.exe
Token: SeDebugPrivilege	2020	csrsll.exe
Token: SeDebugPrivilege	2020	csrsll.exe
Token: SeDebugPrivilege	2020	csrsll.exe
Token: SeDebugPrivilege	2020	csrsll.exe
Token: SeDebugPrivilege	2020	csrsll.exe
Token: SeDebugPrivilege	2020	csrsll.exe
Token: SeDebugPrivilege	2020	csrsll.exe
Token: SeDebugPrivilege	2020	csrsll.exe
Token: SeDebugPrivilege	2020	csrsll.exe
Token: SeDebugPrivilege	2020	csrsll.exe
Token: SeDebugPrivilege	2020	csrsll.exe
Token: SeDebugPrivilege	2020	csrsll.exe
Token: SeDebugPrivilege	2020	csrsll.exe
Token: SeDebugPrivilege	2020	csrsll.exe
Token: SeDebugPrivilege	2020	csrsll.exe
Token: SeDebugPrivilege	2020	csrsll.exe
Token: SeDebugPrivilege	2020	csrsll.exe
Token: SeDebugPrivilege	2020	csrsll.exe
Token: SeDebugPrivilege	2020	csrsll.exe
Token: SeDebugPrivilege	2020	csrsll.exe
Token: SeDebugPrivilege	2020	csrsll.exe
Token: SeDebugPrivilege	2020	csrsll.exe
Token: SeDebugPrivilege	2020	csrsll.exe
Token: SeDebugPrivilege	2020	csrsll.exe
Token: SeDebugPrivilege	2020	csrsll.exe
Token: SeDebugPrivilege	2020	csrsll.exe
Token: SeDebugPrivilege	2020	csrsll.exe
Token: SeDebugPrivilege	2020	csrsll.exe
Token: SeDebugPrivilege	2020	csrsll.exe
Token: SeDebugPrivilege	2020	csrsll.exe
Token: SeDebugPrivilege	2020	csrsll.exe
Token: SeDebugPrivilege	2020	csrsll.exe
Token: SeDebugPrivilege	2020	csrsll.exe
Token: SeDebugPrivilege	2020	csrsll.exe
Token: SeDebugPrivilege	2020	csrsll.exe
Token: SeDebugPrivilege	2020	csrsll.exe
Token: SeDebugPrivilege	2020	csrsll.exe
Token: SeDebugPrivilege	2020	csrsll.exe
Token: SeDebugPrivilege	2020	csrsll.exe
Token: SeDebugPrivilege	2020	csrsll.exe
Token: SeDebugPrivilege	2020	csrsll.exe
Token: SeDebugPrivilege	2020	csrsll.exe
Token: SeDebugPrivilege	2020	csrsll.exe
Token: SeDebugPrivilege	2020	csrsll.exe
Token: SeDebugPrivilege	2020	csrsll.exe
Token: SeDebugPrivilege	2020	csrsll.exe
Token: SeDebugPrivilege	2020	csrsll.exe
Token: SeDebugPrivilege	2020	csrsll.exe
Token: SeDebugPrivilege	2020	csrsll.exe
Token: SeDebugPrivilege	2020	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1192	e62ec0ee6f480c2c8710c60945962804062aa268087950d0639f8366b438d4ceN.exe
2164	e62ec0ee6f480c2c8710c60945962804062aa268087950d0639f8366b438d4ceN.exe
588	csrsll.exe
2020	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 1192 wrote to memory of 2164	1192	e62ec0ee6f480c2c8710c60945962804062aa268087950d0639f8366b438d4ceN.exe	30
PID 1192 wrote to memory of 2164	1192	e62ec0ee6f480c2c8710c60945962804062aa268087950d0639f8366b438d4ceN.exe	30
PID 1192 wrote to memory of 2164	1192	e62ec0ee6f480c2c8710c60945962804062aa268087950d0639f8366b438d4ceN.exe	30
PID 1192 wrote to memory of 2164	1192	e62ec0ee6f480c2c8710c60945962804062aa268087950d0639f8366b438d4ceN.exe	30
PID 1192 wrote to memory of 2164	1192	e62ec0ee6f480c2c8710c60945962804062aa268087950d0639f8366b438d4ceN.exe	30
PID 1192 wrote to memory of 2164	1192	e62ec0ee6f480c2c8710c60945962804062aa268087950d0639f8366b438d4ceN.exe	30
PID 1192 wrote to memory of 2164	1192	e62ec0ee6f480c2c8710c60945962804062aa268087950d0639f8366b438d4ceN.exe	30
PID 1192 wrote to memory of 2164	1192	e62ec0ee6f480c2c8710c60945962804062aa268087950d0639f8366b438d4ceN.exe	30
PID 2164 wrote to memory of 988	2164	e62ec0ee6f480c2c8710c60945962804062aa268087950d0639f8366b438d4ceN.exe	31
PID 2164 wrote to memory of 988	2164	e62ec0ee6f480c2c8710c60945962804062aa268087950d0639f8366b438d4ceN.exe	31
PID 2164 wrote to memory of 988	2164	e62ec0ee6f480c2c8710c60945962804062aa268087950d0639f8366b438d4ceN.exe	31
PID 2164 wrote to memory of 988	2164	e62ec0ee6f480c2c8710c60945962804062aa268087950d0639f8366b438d4ceN.exe	31
PID 988 wrote to memory of 2700	988	cmd.exe	33
PID 988 wrote to memory of 2700	988	cmd.exe	33
PID 988 wrote to memory of 2700	988	cmd.exe	33
PID 988 wrote to memory of 2700	988	cmd.exe	33
PID 2164 wrote to memory of 588	2164	e62ec0ee6f480c2c8710c60945962804062aa268087950d0639f8366b438d4ceN.exe	34
PID 2164 wrote to memory of 588	2164	e62ec0ee6f480c2c8710c60945962804062aa268087950d0639f8366b438d4ceN.exe	34
PID 2164 wrote to memory of 588	2164	e62ec0ee6f480c2c8710c60945962804062aa268087950d0639f8366b438d4ceN.exe	34
PID 2164 wrote to memory of 588	2164	e62ec0ee6f480c2c8710c60945962804062aa268087950d0639f8366b438d4ceN.exe	34
PID 588 wrote to memory of 2020	588	csrsll.exe	36
PID 588 wrote to memory of 2020	588	csrsll.exe	36
PID 588 wrote to memory of 2020	588	csrsll.exe	36
PID 588 wrote to memory of 2020	588	csrsll.exe	36
PID 588 wrote to memory of 2020	588	csrsll.exe	36
PID 588 wrote to memory of 2020	588	csrsll.exe	36
PID 588 wrote to memory of 2020	588	csrsll.exe	36
PID 588 wrote to memory of 2020	588	csrsll.exe	36
PID 588 wrote to memory of 284	588	csrsll.exe	37
PID 588 wrote to memory of 284	588	csrsll.exe	37
PID 588 wrote to memory of 284	588	csrsll.exe	37
PID 588 wrote to memory of 284	588	csrsll.exe	37
PID 588 wrote to memory of 284	588	csrsll.exe	37
PID 588 wrote to memory of 284	588	csrsll.exe	37
PID 588 wrote to memory of 284	588	csrsll.exe	37
PID 588 wrote to memory of 284	588	csrsll.exe	37

C:\Users\Admin\AppData\Local\Temp\e62ec0ee6f480c2c8710c60945962804062aa268087950d0639f8366b438d4ceN.exe
"C:\Users\Admin\AppData\Local\Temp\e62ec0ee6f480c2c8710c60945962804062aa268087950d0639f8366b438d4ceN.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1192
- C:\Users\Admin\AppData\Local\Temp\e62ec0ee6f480c2c8710c60945962804062aa268087950d0639f8366b438d4ceN.exe
  "C:\Users\Admin\AppData\Local\Temp\e62ec0ee6f480c2c8710c60945962804062aa268087950d0639f8366b438d4ceN.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2164
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\RQUHL.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:988
  - - 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:2700
- - 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:588
  - - 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:2020
  - - 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:284

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\RQUHL.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
a8e16c8712969c30946486de26f3318b

SHA1
add6ab39eaef9064e301020f188c9c03e8a391d3

SHA256
791d76c69a0335c44ccb71a8765a0038fa5e874c731deda9597aee64142c5274

SHA512
c4d2e8e95b67296f017099debc4bd5a36b951bac87d13933f6328aa68d27eba98f474ed149b0ed2e82f861e2193b0e7d679402fb7289271befc2637867680de7

Download Submit
memory/284-264-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/284-256-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/588-178-0x0000000000330000-0x0000000000331000-memory.dmp

Filesize
4KB

Download
memory/588-151-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/588-259-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/588-157-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/588-167-0x0000000000310000-0x0000000000311000-memory.dmp

Filesize
4KB

Download
memory/588-222-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1192-89-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1192-61-0x0000000000360000-0x0000000000361000-memory.dmp

Filesize
4KB

Download
memory/1192-79-0x00000000003B0000-0x00000000003B2000-memory.dmp

Filesize
8KB

Download
memory/1192-3-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1192-106-0x0000000002430000-0x0000000002483000-memory.dmp

Filesize
332KB

Download
memory/1192-5-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1192-15-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/1192-71-0x0000000000390000-0x0000000000391000-memory.dmp

Filesize
4KB

Download
memory/1192-101-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1192-41-0x0000000000320000-0x0000000000321000-memory.dmp

Filesize
4KB

Download
memory/1192-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1192-29-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/1192-25-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/1192-26-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2020-255-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2020-263-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2164-96-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2164-102-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2164-103-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2164-149-0x0000000002610000-0x0000000002663000-memory.dmp

Filesize
332KB

Download
memory/2164-154-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2164-90-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2164-214-0x0000000002610000-0x0000000002663000-memory.dmp

Filesize
332KB

Download
memory/2164-92-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2164-147-0x0000000002610000-0x0000000002663000-memory.dmp

Filesize
332KB

Download
memory/2164-145-0x0000000002610000-0x0000000002663000-memory.dmp

Filesize
332KB

Download
memory/2164-248-0x0000000002610000-0x0000000002663000-memory.dmp

Filesize
332KB

Download
memory/2164-146-0x0000000002610000-0x0000000002663000-memory.dmp

Filesize
332KB

Download
memory/2164-257-0x0000000002610000-0x0000000002663000-memory.dmp

Filesize
332KB

Download
memory/2164-148-0x0000000002610000-0x0000000002663000-memory.dmp

Filesize
332KB

Download
memory/2164-105-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2164-254-0x0000000002610000-0x0000000002663000-memory.dmp

Filesize
332KB

Download
memory/2164-253-0x0000000002610000-0x0000000002663000-memory.dmp

Filesize
332KB

Download
memory/2164-262-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2164-98-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2164-94-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads