modiloader | 79c2ab1d77d04af8fc853a45eeea74f5dc2cc747281ee74a90e421df00b909a7

Analysis

max time kernel
149s
max time network
122s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
20-12-2024 01:49

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General

Target

79c2ab1d77d04af8fc853a45eeea74f5dc2cc747281ee74a90e421df00b909a7.exe
Size

90KB
MD5

8cc69ac51423b8dc1a18b52a60cdfe7f
SHA1

7360a0adc2a84c376033585455b5ea02fb8aebd3
SHA256

79c2ab1d77d04af8fc853a45eeea74f5dc2cc747281ee74a90e421df00b909a7
SHA512

e97e0cca696327e8b50f9d6e8c8bd3b9c9639bf85a3c23a1c90e50a31dddaa102c4ca8c167211f018910f75c2e61f78ba656a7d3a52f31e58d53da5aa637a3d1
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDU:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3C

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/2956-257-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
1688	csrsll.exe
1312	csrsll.exe
2956	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
332	79c2ab1d77d04af8fc853a45eeea74f5dc2cc747281ee74a90e421df00b909a7.exe
332	79c2ab1d77d04af8fc853a45eeea74f5dc2cc747281ee74a90e421df00b909a7.exe
332	79c2ab1d77d04af8fc853a45eeea74f5dc2cc747281ee74a90e421df00b909a7.exe
332	79c2ab1d77d04af8fc853a45eeea74f5dc2cc747281ee74a90e421df00b909a7.exe
332	79c2ab1d77d04af8fc853a45eeea74f5dc2cc747281ee74a90e421df00b909a7.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-1-5-21-3551809350-4263495960-1443967649-1000\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 2644 set thread context of 332	2644	79c2ab1d77d04af8fc853a45eeea74f5dc2cc747281ee74a90e421df00b909a7.exe	30
PID 1688 set thread context of 1312	1688	csrsll.exe	35
PID 1688 set thread context of 2956	1688	csrsll.exe	36

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2644-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2644-26-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2644-89-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/332-104-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/332-101-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/332-100-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/332-98-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/332-94-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/332-92-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2644-108-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/files/0x002b000000015cca-131.dat	upx
behavioral1/memory/332-145-0x0000000003320000-0x0000000003373000-memory.dmp	upx
behavioral1/memory/1688-148-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/332-151-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1688-211-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2956-242-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/1688-244-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/332-251-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1312-254-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2956-257-0x0000000000400000-0x0000000000414000-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	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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	79c2ab1d77d04af8fc853a45eeea74f5dc2cc747281ee74a90e421df00b909a7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	79c2ab1d77d04af8fc853a45eeea74f5dc2cc747281ee74a90e421df00b909a7.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	1312	csrsll.exe
Token: SeDebugPrivilege	1312	csrsll.exe
Token: SeDebugPrivilege	1312	csrsll.exe
Token: SeDebugPrivilege	1312	csrsll.exe
Token: SeDebugPrivilege	1312	csrsll.exe
Token: SeDebugPrivilege	1312	csrsll.exe
Token: SeDebugPrivilege	1312	csrsll.exe
Token: SeDebugPrivilege	1312	csrsll.exe
Token: SeDebugPrivilege	1312	csrsll.exe
Token: SeDebugPrivilege	1312	csrsll.exe
Token: SeDebugPrivilege	1312	csrsll.exe
Token: SeDebugPrivilege	1312	csrsll.exe
Token: SeDebugPrivilege	1312	csrsll.exe
Token: SeDebugPrivilege	1312	csrsll.exe
Token: SeDebugPrivilege	1312	csrsll.exe
Token: SeDebugPrivilege	1312	csrsll.exe
Token: SeDebugPrivilege	1312	csrsll.exe
Token: SeDebugPrivilege	1312	csrsll.exe
Token: SeDebugPrivilege	1312	csrsll.exe
Token: SeDebugPrivilege	1312	csrsll.exe
Token: SeDebugPrivilege	1312	csrsll.exe
Token: SeDebugPrivilege	1312	csrsll.exe
Token: SeDebugPrivilege	1312	csrsll.exe
Token: SeDebugPrivilege	1312	csrsll.exe
Token: SeDebugPrivilege	1312	csrsll.exe
Token: SeDebugPrivilege	1312	csrsll.exe
Token: SeDebugPrivilege	1312	csrsll.exe
Token: SeDebugPrivilege	1312	csrsll.exe
Token: SeDebugPrivilege	1312	csrsll.exe
Token: SeDebugPrivilege	1312	csrsll.exe
Token: SeDebugPrivilege	1312	csrsll.exe
Token: SeDebugPrivilege	1312	csrsll.exe
Token: SeDebugPrivilege	1312	csrsll.exe
Token: SeDebugPrivilege	1312	csrsll.exe
Token: SeDebugPrivilege	1312	csrsll.exe
Token: SeDebugPrivilege	1312	csrsll.exe
Token: SeDebugPrivilege	1312	csrsll.exe
Token: SeDebugPrivilege	1312	csrsll.exe
Token: SeDebugPrivilege	1312	csrsll.exe
Token: SeDebugPrivilege	1312	csrsll.exe
Token: SeDebugPrivilege	1312	csrsll.exe
Token: SeDebugPrivilege	1312	csrsll.exe
Token: SeDebugPrivilege	1312	csrsll.exe
Token: SeDebugPrivilege	1312	csrsll.exe
Token: SeDebugPrivilege	1312	csrsll.exe
Token: SeDebugPrivilege	1312	csrsll.exe
Token: SeDebugPrivilege	1312	csrsll.exe
Token: SeDebugPrivilege	1312	csrsll.exe
Token: SeDebugPrivilege	1312	csrsll.exe
Token: SeDebugPrivilege	1312	csrsll.exe
Token: SeDebugPrivilege	1312	csrsll.exe
Token: SeDebugPrivilege	1312	csrsll.exe
Token: SeDebugPrivilege	1312	csrsll.exe
Token: SeDebugPrivilege	1312	csrsll.exe
Token: SeDebugPrivilege	1312	csrsll.exe
Token: SeDebugPrivilege	1312	csrsll.exe
Token: SeDebugPrivilege	1312	csrsll.exe
Token: SeDebugPrivilege	1312	csrsll.exe
Token: SeDebugPrivilege	1312	csrsll.exe
Token: SeDebugPrivilege	1312	csrsll.exe
Token: SeDebugPrivilege	1312	csrsll.exe
Token: SeDebugPrivilege	1312	csrsll.exe
Token: SeDebugPrivilege	1312	csrsll.exe
Token: SeDebugPrivilege	1312	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2644	79c2ab1d77d04af8fc853a45eeea74f5dc2cc747281ee74a90e421df00b909a7.exe
332	79c2ab1d77d04af8fc853a45eeea74f5dc2cc747281ee74a90e421df00b909a7.exe
1688	csrsll.exe
1312	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 2644 wrote to memory of 332	2644	79c2ab1d77d04af8fc853a45eeea74f5dc2cc747281ee74a90e421df00b909a7.exe	30
PID 2644 wrote to memory of 332	2644	79c2ab1d77d04af8fc853a45eeea74f5dc2cc747281ee74a90e421df00b909a7.exe	30
PID 2644 wrote to memory of 332	2644	79c2ab1d77d04af8fc853a45eeea74f5dc2cc747281ee74a90e421df00b909a7.exe	30
PID 2644 wrote to memory of 332	2644	79c2ab1d77d04af8fc853a45eeea74f5dc2cc747281ee74a90e421df00b909a7.exe	30
PID 2644 wrote to memory of 332	2644	79c2ab1d77d04af8fc853a45eeea74f5dc2cc747281ee74a90e421df00b909a7.exe	30
PID 2644 wrote to memory of 332	2644	79c2ab1d77d04af8fc853a45eeea74f5dc2cc747281ee74a90e421df00b909a7.exe	30
PID 2644 wrote to memory of 332	2644	79c2ab1d77d04af8fc853a45eeea74f5dc2cc747281ee74a90e421df00b909a7.exe	30
PID 2644 wrote to memory of 332	2644	79c2ab1d77d04af8fc853a45eeea74f5dc2cc747281ee74a90e421df00b909a7.exe	30
PID 332 wrote to memory of 1952	332	79c2ab1d77d04af8fc853a45eeea74f5dc2cc747281ee74a90e421df00b909a7.exe	31
PID 332 wrote to memory of 1952	332	79c2ab1d77d04af8fc853a45eeea74f5dc2cc747281ee74a90e421df00b909a7.exe	31
PID 332 wrote to memory of 1952	332	79c2ab1d77d04af8fc853a45eeea74f5dc2cc747281ee74a90e421df00b909a7.exe	31
PID 332 wrote to memory of 1952	332	79c2ab1d77d04af8fc853a45eeea74f5dc2cc747281ee74a90e421df00b909a7.exe	31
PID 1952 wrote to memory of 2280	1952	cmd.exe	33
PID 1952 wrote to memory of 2280	1952	cmd.exe	33
PID 1952 wrote to memory of 2280	1952	cmd.exe	33
PID 1952 wrote to memory of 2280	1952	cmd.exe	33
PID 332 wrote to memory of 1688	332	79c2ab1d77d04af8fc853a45eeea74f5dc2cc747281ee74a90e421df00b909a7.exe	34
PID 332 wrote to memory of 1688	332	79c2ab1d77d04af8fc853a45eeea74f5dc2cc747281ee74a90e421df00b909a7.exe	34
PID 332 wrote to memory of 1688	332	79c2ab1d77d04af8fc853a45eeea74f5dc2cc747281ee74a90e421df00b909a7.exe	34
PID 332 wrote to memory of 1688	332	79c2ab1d77d04af8fc853a45eeea74f5dc2cc747281ee74a90e421df00b909a7.exe	34
PID 1688 wrote to memory of 1312	1688	csrsll.exe	35
PID 1688 wrote to memory of 1312	1688	csrsll.exe	35
PID 1688 wrote to memory of 1312	1688	csrsll.exe	35
PID 1688 wrote to memory of 1312	1688	csrsll.exe	35
PID 1688 wrote to memory of 1312	1688	csrsll.exe	35
PID 1688 wrote to memory of 1312	1688	csrsll.exe	35
PID 1688 wrote to memory of 1312	1688	csrsll.exe	35
PID 1688 wrote to memory of 1312	1688	csrsll.exe	35
PID 1688 wrote to memory of 2956	1688	csrsll.exe	36
PID 1688 wrote to memory of 2956	1688	csrsll.exe	36
PID 1688 wrote to memory of 2956	1688	csrsll.exe	36
PID 1688 wrote to memory of 2956	1688	csrsll.exe	36
PID 1688 wrote to memory of 2956	1688	csrsll.exe	36
PID 1688 wrote to memory of 2956	1688	csrsll.exe	36
PID 1688 wrote to memory of 2956	1688	csrsll.exe	36
PID 1688 wrote to memory of 2956	1688	csrsll.exe	36

C:\Users\Admin\AppData\Local\Temp\79c2ab1d77d04af8fc853a45eeea74f5dc2cc747281ee74a90e421df00b909a7.exe
"C:\Users\Admin\AppData\Local\Temp\79c2ab1d77d04af8fc853a45eeea74f5dc2cc747281ee74a90e421df00b909a7.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2644
- C:\Users\Admin\AppData\Local\Temp\79c2ab1d77d04af8fc853a45eeea74f5dc2cc747281ee74a90e421df00b909a7.exe
  "C:\Users\Admin\AppData\Local\Temp\79c2ab1d77d04af8fc853a45eeea74f5dc2cc747281ee74a90e421df00b909a7.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:332
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\FQVRF.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1952
  - - 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:2280
- - 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:1688
  - - 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:1312
  - - 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:2956

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\FQVRF.bat

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
1e0b677ba0e347e686f161e078526524

SHA1
6ea0e2cd06eb1fcdc94dbd56478607b5ce4c3648

SHA256
9743f61cfc24d3d051e8e996d1cd53d356755aff8beac83917c4e87832fb4ea8

SHA512
8b104c45b237816839878ab55a6d9c8a9b8dbf1e6f3d625e950241839084da4d0ae874a145deb58cd4d59894843c16ccead5120128f96b81104fa76918bc3926

Download Submit
memory/332-151-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/332-96-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/332-90-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/332-251-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/332-146-0x0000000003320000-0x0000000003373000-memory.dmp

Filesize
332KB

Download
memory/332-145-0x0000000003320000-0x0000000003373000-memory.dmp

Filesize
332KB

Download
memory/332-92-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/332-104-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/332-94-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/332-101-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/332-100-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/332-98-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1312-254-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1688-244-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1688-154-0x00000000002B0000-0x00000000002B1000-memory.dmp

Filesize
4KB

Download
memory/1688-175-0x00000000002F0000-0x00000000002F1000-memory.dmp

Filesize
4KB

Download
memory/1688-211-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1688-148-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1688-164-0x00000000002D0000-0x00000000002D1000-memory.dmp

Filesize
4KB

Download
memory/2644-26-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2644-103-0x0000000002770000-0x00000000027C3000-memory.dmp

Filesize
332KB

Download
memory/2644-3-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/2644-108-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2644-41-0x0000000000360000-0x0000000000361000-memory.dmp

Filesize
4KB

Download
memory/2644-19-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/2644-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2644-5-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/2644-79-0x0000000000560000-0x0000000000562000-memory.dmp

Filesize
8KB

Download
memory/2644-89-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2644-15-0x00000000002A0000-0x00000000002A1000-memory.dmp

Filesize
4KB

Download
memory/2644-61-0x00000000003A0000-0x00000000003A1000-memory.dmp

Filesize
4KB

Download
memory/2644-29-0x0000000000340000-0x0000000000341000-memory.dmp

Filesize
4KB

Download
memory/2644-71-0x0000000000540000-0x0000000000541000-memory.dmp

Filesize
4KB

Download
memory/2956-242-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2956-257-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads