2b7a19c7da364709ce4302bc74bb8997d971f84e9d092ba8a13fc5ae2aee0447

General

Target

96b002f6ccb84c0a34a105525e9d3430_JaffaCakes118.exe
Size

10KB
MD5

96b002f6ccb84c0a34a105525e9d3430
SHA1

afc9a4bcdfbcb46b32ec0b9a71a6b27d54046c66
SHA256

2b7a19c7da364709ce4302bc74bb8997d971f84e9d092ba8a13fc5ae2aee0447
SHA512

6152f103e5c4be9885052f652fdad4b1a289c50bcc7541b8ec6f06a26f9e25820834892b542fdd1b90d3b4d2278edf6e4fcc81dc6ac0f20aea867692084b6992
SSDEEP

192:odLRTqMvpUqpjt2MoZDd7eSbB+mh5JhgJAPfiQ4NhOdeOAbQFTHZ:odLR+SpNh2Mo5d7eabAACQzdeOEK9

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

Deletes itself 1 IoCs

pid	Process
2168	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2704	xpsbosk.exe

Loads dropped DLL 2 IoCs

pid	Process
1508	96b002f6ccb84c0a34a105525e9d3430_JaffaCakes118.exe
1508	96b002f6ccb84c0a34a105525e9d3430_JaffaCakes118.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1508-0-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral1/files/0x002e0000000160e7-3.dat	upx
behavioral1/memory/2704-12-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral1/memory/1508-10-0x0000000000030000-0x000000000003E000-memory.dmp	upx
behavioral1/memory/1508-20-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral1/memory/2704-22-0x0000000000400000-0x000000000040E000-memory.dmp	upx

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\xpsbos.dll	96b002f6ccb84c0a34a105525e9d3430_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\xpsbosk.exe	96b002f6ccb84c0a34a105525e9d3430_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\xpsbosk.exe	96b002f6ccb84c0a34a105525e9d3430_JaffaCakes118.exe

Event Triggered Execution: Accessibility Features 1 TTPs
Windows contains accessibility features that may be used by adversaries to establish persistence and/or elevate privileges.
persistence privilege_escalation

Accessibility Features
T1546.008

System Location Discovery: System Language Discovery 1 TTPs 2 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	96b002f6ccb84c0a34a105525e9d3430_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1508	96b002f6ccb84c0a34a105525e9d3430_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1508 wrote to memory of 2704	1508	96b002f6ccb84c0a34a105525e9d3430_JaffaCakes118.exe	30
PID 1508 wrote to memory of 2704	1508	96b002f6ccb84c0a34a105525e9d3430_JaffaCakes118.exe	30
PID 1508 wrote to memory of 2704	1508	96b002f6ccb84c0a34a105525e9d3430_JaffaCakes118.exe	30
PID 1508 wrote to memory of 2704	1508	96b002f6ccb84c0a34a105525e9d3430_JaffaCakes118.exe	30
PID 1508 wrote to memory of 2168	1508	96b002f6ccb84c0a34a105525e9d3430_JaffaCakes118.exe	31
PID 1508 wrote to memory of 2168	1508	96b002f6ccb84c0a34a105525e9d3430_JaffaCakes118.exe	31
PID 1508 wrote to memory of 2168	1508	96b002f6ccb84c0a34a105525e9d3430_JaffaCakes118.exe	31
PID 1508 wrote to memory of 2168	1508	96b002f6ccb84c0a34a105525e9d3430_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\96b002f6ccb84c0a34a105525e9d3430_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\96b002f6ccb84c0a34a105525e9d3430_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1508
- C:\Windows\SysWOW64\xpsbosk.exe
  C:\Windows\system32\xpsbosk.exe ˜‰
  2⤵
  - Executes dropped EXE
  PID:2704
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Users\Admin\AppData\Local\Temp\96b002f6ccb84c0a34a105525e9d3430_JaffaCakes118.exe.bat
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2168

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

2

T1546

Accessibility Features

1

T1546.008

AppInit DLLs

1

T1546.010

Privilege Escalation

Event Triggered Execution

2

T1546

Accessibility Features

1

T1546.008

AppInit DLLs

1

T1546.010

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\96b002f6ccb84c0a34a105525e9d3430_JaffaCakes118.exe.bat

Filesize
210B

MD5
681d5e61fd6d3e44da69a92433d48a87

SHA1
d3120f279c86871f8b4e00beb3439f47f83c2946

SHA256
dace5933ea1984cfb39fd8350a12f286c9c2d17d9038e206a7abc69ed7f34952

SHA512
0d2860d15fd0682c6b53cf6ebea373992f3b2c247923eb9f4ca00cd820598a7ebbd85052e833fde4c9443c802e44578afa26da9f0a5ba97d2e66b12c2abd886d

Download Submit
\Windows\SysWOW64\xpsbosk.exe

Filesize
10KB

MD5
96b002f6ccb84c0a34a105525e9d3430

SHA1
afc9a4bcdfbcb46b32ec0b9a71a6b27d54046c66

SHA256
2b7a19c7da364709ce4302bc74bb8997d971f84e9d092ba8a13fc5ae2aee0447

SHA512
6152f103e5c4be9885052f652fdad4b1a289c50bcc7541b8ec6f06a26f9e25820834892b542fdd1b90d3b4d2278edf6e4fcc81dc6ac0f20aea867692084b6992

Download Submit
memory/1508-0-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/1508-11-0x0000000000030000-0x000000000003E000-memory.dmp

Filesize
56KB

Download
memory/1508-10-0x0000000000030000-0x000000000003E000-memory.dmp

Filesize
56KB

Download
memory/1508-20-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2704-12-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2704-22-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download

Analysis

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