bd4ed0158f4cc4f065dcf7a832553f679944e0a1b0c792014cbfde32da25add2

Analysis

max time kernel
150s
max time network
135s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
23/08/2024, 14:45

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General

Target

bc2c248401dfdb150967eb8dfff1d01d_JaffaCakes118.exe
Size

13KB
MD5

bc2c248401dfdb150967eb8dfff1d01d
SHA1

3e56e49d98ca58bd9928310c0b38c9ad08c680af
SHA256

bd4ed0158f4cc4f065dcf7a832553f679944e0a1b0c792014cbfde32da25add2
SHA512

2443c2acdf2a33c62040e211254e611e0aaf6ff989f041680bbbf5f15ebd6d82f772cf967dfa2af252abbc34c769918b53a5b9564eed7d30e6657ab9a302e4f4
SSDEEP

384:xFErXuuNxy1LhMPOZQHn+LewiGi9LtoNwYK+K+:xFEjyJh+OmPnGiqwYK

Score

8^/10

discovery persistence privilege_escalation upx

Malware Config

Signatures

Event Triggered Execution: AppInit DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
persistence privilege_escalation

AppInit DLLs
T1546.010

Executes dropped EXE 1 IoCs

pid	Process
2896	jonzyank.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1004-0-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral2/files/0x000b00000002338f-4.dat	upx
behavioral2/memory/1004-8-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral2/memory/2896-10-0x0000000000400000-0x000000000040F000-memory.dmp	upx

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\jonzyan.dll	bc2c248401dfdb150967eb8dfff1d01d_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\jonzyank.exe	bc2c248401dfdb150967eb8dfff1d01d_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\jonzyank.exe	bc2c248401dfdb150967eb8dfff1d01d_JaffaCakes118.exe

System Location Discovery: System Language Discovery 1 TTPs 3 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	jonzyank.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bc2c248401dfdb150967eb8dfff1d01d_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1004	bc2c248401dfdb150967eb8dfff1d01d_JaffaCakes118.exe
1004	bc2c248401dfdb150967eb8dfff1d01d_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1004 wrote to memory of 2896	1004	bc2c248401dfdb150967eb8dfff1d01d_JaffaCakes118.exe	92
PID 1004 wrote to memory of 2896	1004	bc2c248401dfdb150967eb8dfff1d01d_JaffaCakes118.exe	92
PID 1004 wrote to memory of 2896	1004	bc2c248401dfdb150967eb8dfff1d01d_JaffaCakes118.exe	92
PID 1004 wrote to memory of 2332	1004	bc2c248401dfdb150967eb8dfff1d01d_JaffaCakes118.exe	93
PID 1004 wrote to memory of 2332	1004	bc2c248401dfdb150967eb8dfff1d01d_JaffaCakes118.exe	93
PID 1004 wrote to memory of 2332	1004	bc2c248401dfdb150967eb8dfff1d01d_JaffaCakes118.exe	93

C:\Users\Admin\AppData\Local\Temp\bc2c248401dfdb150967eb8dfff1d01d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\bc2c248401dfdb150967eb8dfff1d01d_JaffaCakes118.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1004
- C:\Windows\SysWOW64\jonzyank.exe
  C:\Windows\system32\jonzyank.exe ˜‰
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2896
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\bc2c248401dfdb150967eb8dfff1d01d_JaffaCakes118.exe.bat
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2332

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Privilege Escalation

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\bc2c248401dfdb150967eb8dfff1d01d_JaffaCakes118.exe.bat

Filesize
210B

MD5
8d61c5d12ac02a64c68577eb078e78c7

SHA1
f457f6a2487dff8d8cc71ec0976f8fd94aa17291

SHA256
14266fc9685d62b9204bd97ccd335d284d07864ea12ac879dd5b4fb716a5992b

SHA512
4b1284a31b2172bd10239ca47ac54b35c21fcdfe8589b8afa80c63400d110cbc42c4758c87345f0568dbd2858667a2dc9c6d3e69326e4596ba78b80650b477fc

Download Submit
C:\Windows\SysWOW64\jonzyank.exe

Filesize
13KB

MD5
bc2c248401dfdb150967eb8dfff1d01d

SHA1
3e56e49d98ca58bd9928310c0b38c9ad08c680af

SHA256
bd4ed0158f4cc4f065dcf7a832553f679944e0a1b0c792014cbfde32da25add2

SHA512
2443c2acdf2a33c62040e211254e611e0aaf6ff989f041680bbbf5f15ebd6d82f772cf967dfa2af252abbc34c769918b53a5b9564eed7d30e6657ab9a302e4f4

Download Submit
memory/1004-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/1004-8-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2896-10-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download