modiloader | 7eb3e00ac7df1dc693c44dd248cdbccdf3395ff205096becaef3f8cd0cf91d90

Analysis

max time kernel
119s
max time network
118s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
20/07/2024, 00:48

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General

Target

2c75d98fd39757de21870442689ddc80N.exe
Size

90KB
MD5

2c75d98fd39757de21870442689ddc80
SHA1

396f21387b60b2a3221b12268e5cd8078e0e3f64
SHA256

7eb3e00ac7df1dc693c44dd248cdbccdf3395ff205096becaef3f8cd0cf91d90
SHA512

eb859a5a3d94704eb8111877b9d3538e03b9c89147b9be3fd6696514bc51b3678a6a8df8cab71d3aae3472f2e4a27db18ffaf9d6b622ec2fff6f0dc0e9f54040
SSDEEP

1536:UiYwjQt6QJvzZsgDIWzm/xsXfv+hYhyQQyV5uv4JBrB7w5VRGulTG1ZCL8nj1oDK:0wjZQJvzZsgsW6/Afv+hYfQIm4/rdE3Y

Score

10^/10

modiloader 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/2948-249-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral1/memory/2948-261-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
2888	csrsll.exe
2516	csrsll.exe
2948	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
2440	2c75d98fd39757de21870442689ddc80N.exe
2440	2c75d98fd39757de21870442689ddc80N.exe
2440	2c75d98fd39757de21870442689ddc80N.exe
2440	2c75d98fd39757de21870442689ddc80N.exe
2440	2c75d98fd39757de21870442689ddc80N.exe

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1908-0-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1908-87-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/1908-80-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2440-99-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2440-94-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2440-92-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2440-105-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2440-104-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2440-103-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1908-101-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/files/0x000b00000001225e-140.dat	upx
behavioral1/memory/2888-150-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2888-212-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2516-241-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2888-247-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2440-253-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2948-249-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/2516-260-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2948-261-0x0000000000400000-0x0000000000414000-memory.dmp	upx

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 1908 set thread context of 2440	1908	2c75d98fd39757de21870442689ddc80N.exe	30
PID 2888 set thread context of 2516	2888	csrsll.exe	35
PID 2888 set thread context of 2948	2888	csrsll.exe	36

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe
Token: SeDebugPrivilege	2516	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1908	2c75d98fd39757de21870442689ddc80N.exe
2440	2c75d98fd39757de21870442689ddc80N.exe
2888	csrsll.exe
2516	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 1908 wrote to memory of 2440	1908	2c75d98fd39757de21870442689ddc80N.exe	30
PID 1908 wrote to memory of 2440	1908	2c75d98fd39757de21870442689ddc80N.exe	30
PID 1908 wrote to memory of 2440	1908	2c75d98fd39757de21870442689ddc80N.exe	30
PID 1908 wrote to memory of 2440	1908	2c75d98fd39757de21870442689ddc80N.exe	30
PID 1908 wrote to memory of 2440	1908	2c75d98fd39757de21870442689ddc80N.exe	30
PID 1908 wrote to memory of 2440	1908	2c75d98fd39757de21870442689ddc80N.exe	30
PID 1908 wrote to memory of 2440	1908	2c75d98fd39757de21870442689ddc80N.exe	30
PID 1908 wrote to memory of 2440	1908	2c75d98fd39757de21870442689ddc80N.exe	30
PID 2440 wrote to memory of 1620	2440	2c75d98fd39757de21870442689ddc80N.exe	31
PID 2440 wrote to memory of 1620	2440	2c75d98fd39757de21870442689ddc80N.exe	31
PID 2440 wrote to memory of 1620	2440	2c75d98fd39757de21870442689ddc80N.exe	31
PID 2440 wrote to memory of 1620	2440	2c75d98fd39757de21870442689ddc80N.exe	31
PID 1620 wrote to memory of 2776	1620	cmd.exe	33
PID 1620 wrote to memory of 2776	1620	cmd.exe	33
PID 1620 wrote to memory of 2776	1620	cmd.exe	33
PID 1620 wrote to memory of 2776	1620	cmd.exe	33
PID 2440 wrote to memory of 2888	2440	2c75d98fd39757de21870442689ddc80N.exe	34
PID 2440 wrote to memory of 2888	2440	2c75d98fd39757de21870442689ddc80N.exe	34
PID 2440 wrote to memory of 2888	2440	2c75d98fd39757de21870442689ddc80N.exe	34
PID 2440 wrote to memory of 2888	2440	2c75d98fd39757de21870442689ddc80N.exe	34
PID 2888 wrote to memory of 2516	2888	csrsll.exe	35
PID 2888 wrote to memory of 2516	2888	csrsll.exe	35
PID 2888 wrote to memory of 2516	2888	csrsll.exe	35
PID 2888 wrote to memory of 2516	2888	csrsll.exe	35
PID 2888 wrote to memory of 2516	2888	csrsll.exe	35
PID 2888 wrote to memory of 2516	2888	csrsll.exe	35
PID 2888 wrote to memory of 2516	2888	csrsll.exe	35
PID 2888 wrote to memory of 2516	2888	csrsll.exe	35
PID 2888 wrote to memory of 2948	2888	csrsll.exe	36
PID 2888 wrote to memory of 2948	2888	csrsll.exe	36
PID 2888 wrote to memory of 2948	2888	csrsll.exe	36
PID 2888 wrote to memory of 2948	2888	csrsll.exe	36
PID 2888 wrote to memory of 2948	2888	csrsll.exe	36
PID 2888 wrote to memory of 2948	2888	csrsll.exe	36
PID 2888 wrote to memory of 2948	2888	csrsll.exe	36
PID 2888 wrote to memory of 2948	2888	csrsll.exe	36

C:\Users\Admin\AppData\Local\Temp\2c75d98fd39757de21870442689ddc80N.exe
"C:\Users\Admin\AppData\Local\Temp\2c75d98fd39757de21870442689ddc80N.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1908
- C:\Users\Admin\AppData\Local\Temp\2c75d98fd39757de21870442689ddc80N.exe
  "C:\Users\Admin\AppData\Local\Temp\2c75d98fd39757de21870442689ddc80N.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2440
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\UVSBB.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1620
  - - 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
      PID:2776
- - C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2888
  - - C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:2516
  - - C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
      4⤵
      Executes dropped EXE
      PID:2948

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
90KB

MD5
f115fc05420fd0dbebbc7d43a63857c3

SHA1
2ec42d4e0c790a6377446023357b0d5871dd5735

SHA256
0d160a4c7da3e21c06b2ba11c984d90ccb2777f1d708bde72525a5d5fc01d490

SHA512
f18735efb76fb83375dd086a767fae20a0a47390c478df4dd535c7f2160d3983b15fdac94509795829a927142e4f057ce9d1529c48630b7dc011784fcbe3da91

Download Submit
memory/1908-87-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1908-59-0x00000000002E0000-0x00000000002E1000-memory.dmp

Filesize
4KB

Download
memory/1908-0-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1908-80-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1908-79-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/1908-77-0x00000000004F0000-0x00000000004F2000-memory.dmp

Filesize
8KB

Download
memory/1908-69-0x00000000004D0000-0x00000000004D1000-memory.dmp

Filesize
4KB

Download
memory/1908-5-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/1908-39-0x00000000002A0000-0x00000000002A1000-memory.dmp

Filesize
4KB

Download
memory/1908-27-0x0000000000200000-0x0000000000201000-memory.dmp

Filesize
4KB

Download
memory/1908-15-0x00000000001E0000-0x00000000001E1000-memory.dmp

Filesize
4KB

Download
memory/1908-3-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/1908-96-0x0000000002660000-0x00000000026B3000-memory.dmp

Filesize
332KB

Download
memory/1908-101-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2440-103-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2440-147-0x0000000003210000-0x0000000003263000-memory.dmp

Filesize
332KB

Download
memory/2440-105-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2440-104-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2440-92-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2440-94-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2440-97-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2440-99-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2440-145-0x0000000003200000-0x0000000003253000-memory.dmp

Filesize
332KB

Download
memory/2440-253-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2440-148-0x0000000003210000-0x0000000003263000-memory.dmp

Filesize
332KB

Download
memory/2440-90-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2440-146-0x0000000003210000-0x0000000003263000-memory.dmp

Filesize
332KB

Download
memory/2440-144-0x0000000003200000-0x0000000003253000-memory.dmp

Filesize
332KB

Download
memory/2516-241-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2516-260-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2888-155-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2888-176-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/2888-212-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2888-165-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/2888-247-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2888-150-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2948-249-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2948-261-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads