modiloader | 53ae3bf0aafaa8391d3b007d05c3704e5d6ec06b67dea7199716d5f65daa5b26

Analysis

max time kernel
150s
max time network
153s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
19/04/2024, 02:05

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General

Target

f9446490093a4891c992ee337c8f9545_JaffaCakes118.exe
Size

112KB
MD5

f9446490093a4891c992ee337c8f9545
SHA1

beb7d57f48c34f3ff4232cf79eebb8ac1ee8c464
SHA256

53ae3bf0aafaa8391d3b007d05c3704e5d6ec06b67dea7199716d5f65daa5b26
SHA512

78a0843ce54506ca4e0be61dc1ed84a3ba8c3e8f8b8573c5997573fc63e982106296964fb18d92415c6739f886a5e7d9f283429345a8791cf96120632ecfe47a
SSDEEP

1536:XixKqfDCsLcQdMKHUgm2zdfBXBKLzPFsm8UUkM:kKq7HB6WhzdZBKLzPWmEF

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/476-656-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2
behavioral1/memory/476-663-0x0000000000400000-0x0000000000414000-memory.dmp	modiloader_stage2

Executes dropped EXE 3 IoCs

pid	Process
2024	csrsll.exe
952	csrsll.exe
476	csrsll.exe

Loads dropped DLL 5 IoCs

pid	Process
528	f9446490093a4891c992ee337c8f9545_JaffaCakes118.exe
528	f9446490093a4891c992ee337c8f9545_JaffaCakes118.exe
528	f9446490093a4891c992ee337c8f9545_JaffaCakes118.exe
528	f9446490093a4891c992ee337c8f9545_JaffaCakes118.exe
528	f9446490093a4891c992ee337c8f9545_JaffaCakes118.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/528-281-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/528-287-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/476-645-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/528-653-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/476-656-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/952-660-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/476-663-0x0000000000400000-0x0000000000414000-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-1-5-21-330940541-141609230-1670313778-1000\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 1704 set thread context of 528	1704	f9446490093a4891c992ee337c8f9545_JaffaCakes118.exe	28
PID 2024 set thread context of 952	2024	csrsll.exe	33
PID 2024 set thread context of 476	2024	csrsll.exe	34

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	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe
Token: SeDebugPrivilege	952	csrsll.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1704	f9446490093a4891c992ee337c8f9545_JaffaCakes118.exe
528	f9446490093a4891c992ee337c8f9545_JaffaCakes118.exe
2024	csrsll.exe
952	csrsll.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 1704 wrote to memory of 528	1704	f9446490093a4891c992ee337c8f9545_JaffaCakes118.exe	28
PID 1704 wrote to memory of 528	1704	f9446490093a4891c992ee337c8f9545_JaffaCakes118.exe	28
PID 1704 wrote to memory of 528	1704	f9446490093a4891c992ee337c8f9545_JaffaCakes118.exe	28
PID 1704 wrote to memory of 528	1704	f9446490093a4891c992ee337c8f9545_JaffaCakes118.exe	28
PID 1704 wrote to memory of 528	1704	f9446490093a4891c992ee337c8f9545_JaffaCakes118.exe	28
PID 1704 wrote to memory of 528	1704	f9446490093a4891c992ee337c8f9545_JaffaCakes118.exe	28
PID 1704 wrote to memory of 528	1704	f9446490093a4891c992ee337c8f9545_JaffaCakes118.exe	28
PID 1704 wrote to memory of 528	1704	f9446490093a4891c992ee337c8f9545_JaffaCakes118.exe	28
PID 528 wrote to memory of 1552	528	f9446490093a4891c992ee337c8f9545_JaffaCakes118.exe	29
PID 528 wrote to memory of 1552	528	f9446490093a4891c992ee337c8f9545_JaffaCakes118.exe	29
PID 528 wrote to memory of 1552	528	f9446490093a4891c992ee337c8f9545_JaffaCakes118.exe	29
PID 528 wrote to memory of 1552	528	f9446490093a4891c992ee337c8f9545_JaffaCakes118.exe	29
PID 1552 wrote to memory of 2008	1552	cmd.exe	31
PID 1552 wrote to memory of 2008	1552	cmd.exe	31
PID 1552 wrote to memory of 2008	1552	cmd.exe	31
PID 1552 wrote to memory of 2008	1552	cmd.exe	31
PID 528 wrote to memory of 2024	528	f9446490093a4891c992ee337c8f9545_JaffaCakes118.exe	32
PID 528 wrote to memory of 2024	528	f9446490093a4891c992ee337c8f9545_JaffaCakes118.exe	32
PID 528 wrote to memory of 2024	528	f9446490093a4891c992ee337c8f9545_JaffaCakes118.exe	32
PID 528 wrote to memory of 2024	528	f9446490093a4891c992ee337c8f9545_JaffaCakes118.exe	32
PID 2024 wrote to memory of 952	2024	csrsll.exe	33
PID 2024 wrote to memory of 952	2024	csrsll.exe	33
PID 2024 wrote to memory of 952	2024	csrsll.exe	33
PID 2024 wrote to memory of 952	2024	csrsll.exe	33
PID 2024 wrote to memory of 952	2024	csrsll.exe	33
PID 2024 wrote to memory of 952	2024	csrsll.exe	33
PID 2024 wrote to memory of 952	2024	csrsll.exe	33
PID 2024 wrote to memory of 952	2024	csrsll.exe	33
PID 2024 wrote to memory of 476	2024	csrsll.exe	34
PID 2024 wrote to memory of 476	2024	csrsll.exe	34
PID 2024 wrote to memory of 476	2024	csrsll.exe	34
PID 2024 wrote to memory of 476	2024	csrsll.exe	34
PID 2024 wrote to memory of 476	2024	csrsll.exe	34
PID 2024 wrote to memory of 476	2024	csrsll.exe	34
PID 2024 wrote to memory of 476	2024	csrsll.exe	34
PID 2024 wrote to memory of 476	2024	csrsll.exe	34

C:\Users\Admin\AppData\Local\Temp\f9446490093a4891c992ee337c8f9545_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f9446490093a4891c992ee337c8f9545_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1704
- C:\Users\Admin\AppData\Local\Temp\f9446490093a4891c992ee337c8f9545_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\f9446490093a4891c992ee337c8f9545_JaffaCakes118.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:528
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\KXEOX.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1552
  - - 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:2008
- - 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:2024
  - - 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:952
  - - C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\csrsll.exe"
      4⤵
      Executes dropped EXE
      PID:476

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

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Downloads

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

Filesize
145B

MD5
4eb61ec7816c34ec8c125acadc57ec1b

SHA1
b0015cc865c0bb1a027be663027d3829401a31cc

SHA256
08375cdb2e9819391f67f71e9718c15b48d3eaa452c54bd8fdd1f6a42e899aff

SHA512
f289f01d996dd643560370be8cdf8894e9a676ca3813f706c01ef5d705b9b18246c6cadf10d96edd433a616637b8a78fbd23c5738e76f1c4e671977b6d0cb6c1

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

Filesize
112KB

MD5
577429c451d32c17cd014246f506f102

SHA1
a0658e8348d23c7b51f8d84bb257eb0fc45cbd0d

SHA256
994b6eda9323be4eab6f87330d00d3f3b255e0a8fb627d5a82bba7a4bac0e7c2

SHA512
60eded0bdc48697aa5f77a9335e8932b744c55dd159554c2a50a80e029662dcf441ebbbbba3f3bcb5592af783a9da86cc1dfd9f7e984d54f2b3d1a24c7a895f5

Download Submit
memory/476-645-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/476-656-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/476-663-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/528-281-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/528-287-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/528-653-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/952-660-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1704-2-0x00000000003C0000-0x00000000003C1000-memory.dmp

Filesize
4KB

Download
memory/1704-114-0x00000000007A0000-0x00000000007A1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads