dcb004958684cb218167a7193de22fbf98fab69b8d37cdf5260133fe667d501f

Analysis

max time kernel
150s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
26/08/2024, 07:33

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General

Target

c28b048c1087a2c39d4b869fd952d6a0_JaffaCakes118.exe
Size

12KB
MD5

c28b048c1087a2c39d4b869fd952d6a0
SHA1

d13971faa15d2da66ea67e8318ba1895c579d42d
SHA256

dcb004958684cb218167a7193de22fbf98fab69b8d37cdf5260133fe667d501f
SHA512

94f584f57ed53fc67ae181661b7f105c4506c7f0184942c889d498a8a3458fd2598854e7f1a49506965f6804395c815150c9550eeaa017e862e5a306e61a1319
SSDEEP

384:xJfde4ojujuN1KisxnHB9NogEuuLiStgh:xJfde4rYN0giS6

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
4912	ringttek.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1664-0-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral2/files/0x0007000000023482-5.dat	upx
behavioral2/memory/1664-6-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral2/memory/4912-9-0x0000000000400000-0x000000000040F000-memory.dmp	upx

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\ringtte.dll	c28b048c1087a2c39d4b869fd952d6a0_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\ringttek.exe	c28b048c1087a2c39d4b869fd952d6a0_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\ringttek.exe	c28b048c1087a2c39d4b869fd952d6a0_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	c28b048c1087a2c39d4b869fd952d6a0_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ringttek.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1664 wrote to memory of 4912	1664	c28b048c1087a2c39d4b869fd952d6a0_JaffaCakes118.exe	84
PID 1664 wrote to memory of 4912	1664	c28b048c1087a2c39d4b869fd952d6a0_JaffaCakes118.exe	84
PID 1664 wrote to memory of 4912	1664	c28b048c1087a2c39d4b869fd952d6a0_JaffaCakes118.exe	84
PID 1664 wrote to memory of 2168	1664	c28b048c1087a2c39d4b869fd952d6a0_JaffaCakes118.exe	98
PID 1664 wrote to memory of 2168	1664	c28b048c1087a2c39d4b869fd952d6a0_JaffaCakes118.exe	98
PID 1664 wrote to memory of 2168	1664	c28b048c1087a2c39d4b869fd952d6a0_JaffaCakes118.exe	98

C:\Users\Admin\AppData\Local\Temp\c28b048c1087a2c39d4b869fd952d6a0_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c28b048c1087a2c39d4b869fd952d6a0_JaffaCakes118.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1664
- C:\Windows\SysWOW64\ringttek.exe
  C:\Windows\system32\ringttek.exe ˜‰
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4912
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\c28b048c1087a2c39d4b869fd952d6a0_JaffaCakes118.exe.bat
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2168

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\c28b048c1087a2c39d4b869fd952d6a0_JaffaCakes118.exe.bat

Filesize
210B

MD5
495d125168360cbfd98745cea5443fdf

SHA1
6a739f7f37a1623257f9cc1896fc5d71b6b2e891

SHA256
9027d5deac1bb9474b624a58fc25b282f0586a0b9e0b4defc9f67c1df921a97f

SHA512
ad45f1e8566f08657528285e7d7a473c03040d11545d9fd91d170d4759afc8696a97a15b4c5037537783fbe27bc932e6e2f9c53faec991c41b27249324ef5972

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

Filesize
12KB

MD5
c28b048c1087a2c39d4b869fd952d6a0

SHA1
d13971faa15d2da66ea67e8318ba1895c579d42d

SHA256
dcb004958684cb218167a7193de22fbf98fab69b8d37cdf5260133fe667d501f

SHA512
94f584f57ed53fc67ae181661b7f105c4506c7f0184942c889d498a8a3458fd2598854e7f1a49506965f6804395c815150c9550eeaa017e862e5a306e61a1319

Download Submit
memory/1664-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/1664-6-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/4912-9-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download