51c9f0473310a62085996f7a9ba3c1d3392b72036f87405c1c9db3b28299401f

General

Target

d5b5fe4213135bef3c4aea03ae22b448_JaffaCakes118.exe
Size

31KB
MD5

d5b5fe4213135bef3c4aea03ae22b448
SHA1

4c0a89a939753931fbb27f285f58fd47123804c5
SHA256

51c9f0473310a62085996f7a9ba3c1d3392b72036f87405c1c9db3b28299401f
SHA512

8fa503063c1fe38ea6ce0bce0c8959516d14f1a31a3ec9edf54035437d0ec42b8c65baad58809eb4f5fac279bf214a37c5336edfa7d725cdf5968fe53d3a53ed
SSDEEP

768:q9JBtxmfDZwQ3haRhrNvfYg5WnoQYE7GfQQS:yUf2Q3gLYdoQYVfB

Score

7^/10

discovery persistence upx

Malware Config

Signatures

UPX packed file 14 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2244-0-0x0000000000400000-0x0000000000419000-memory.dmp	upx
behavioral1/memory/2244-3-0x0000000000400000-0x0000000000419000-memory.dmp	upx
behavioral1/memory/2244-4-0x0000000000400000-0x0000000000419000-memory.dmp	upx
behavioral1/memory/2244-5-0x0000000000400000-0x0000000000419000-memory.dmp	upx
behavioral1/memory/2244-6-0x0000000000400000-0x0000000000419000-memory.dmp	upx
behavioral1/memory/2244-7-0x0000000000400000-0x0000000000419000-memory.dmp	upx
behavioral1/memory/2244-8-0x0000000000400000-0x0000000000419000-memory.dmp	upx
behavioral1/memory/2244-9-0x0000000000400000-0x0000000000419000-memory.dmp	upx
behavioral1/memory/2244-10-0x0000000000400000-0x0000000000419000-memory.dmp	upx
behavioral1/memory/2244-11-0x0000000000400000-0x0000000000419000-memory.dmp	upx
behavioral1/memory/2244-12-0x0000000000400000-0x0000000000419000-memory.dmp	upx
behavioral1/memory/2244-13-0x0000000000400000-0x0000000000419000-memory.dmp	upx
behavioral1/memory/2244-15-0x0000000000400000-0x0000000000419000-memory.dmp	upx
behavioral1/memory/2244-16-0x0000000000400000-0x0000000000419000-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\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\System manager = "C:\\Program Files\\Common Files\\System\\msadc\\system32.exe"	d5b5fe4213135bef3c4aea03ae22b448_JaffaCakes118.exe

Network Share Discovery 1 TTPs
Attempt to gather information on host network.
discovery

Network Share Discovery
T1135

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Common Files\System\msadc\svchost.txt	d5b5fe4213135bef3c4aea03ae22b448_JaffaCakes118.exe
File created	C:\Program Files\Common Files\System\msadc\svchost.txt	d5b5fe4213135bef3c4aea03ae22b448_JaffaCakes118.exe

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

System Information Discovery
T1082

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	net1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d5b5fe4213135bef3c4aea03ae22b448_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2244	d5b5fe4213135bef3c4aea03ae22b448_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2244	d5b5fe4213135bef3c4aea03ae22b448_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2244	d5b5fe4213135bef3c4aea03ae22b448_JaffaCakes118.exe
2244	d5b5fe4213135bef3c4aea03ae22b448_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2244 wrote to memory of 2064	2244	d5b5fe4213135bef3c4aea03ae22b448_JaffaCakes118.exe	31
PID 2244 wrote to memory of 2064	2244	d5b5fe4213135bef3c4aea03ae22b448_JaffaCakes118.exe	31
PID 2244 wrote to memory of 2064	2244	d5b5fe4213135bef3c4aea03ae22b448_JaffaCakes118.exe	31
PID 2244 wrote to memory of 2064	2244	d5b5fe4213135bef3c4aea03ae22b448_JaffaCakes118.exe	31
PID 2064 wrote to memory of 2472	2064	net.exe	33
PID 2064 wrote to memory of 2472	2064	net.exe	33
PID 2064 wrote to memory of 2472	2064	net.exe	33
PID 2064 wrote to memory of 2472	2064	net.exe	33

C:\Users\Admin\AppData\Local\Temp\d5b5fe4213135bef3c4aea03ae22b448_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d5b5fe4213135bef3c4aea03ae22b448_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2244
- C:\Windows\SysWOW64\net.exe
  "C:\Windows\System32\net.exe" stop sharedaccess
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2064
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop sharedaccess
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2472

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Network Share Discovery

1

T1135

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2244-0-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/2244-3-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/2244-4-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/2244-5-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/2244-6-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/2244-7-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/2244-8-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/2244-9-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/2244-10-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/2244-11-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/2244-12-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/2244-13-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/2244-15-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/2244-16-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads