metasploit | 022e5e3eed0f7c820a6afe2a0fb87f68a3388dab5c51060e8274a5825e8f1024

General

Target

df99d601836e60465610d4e5deea9942_JaffaCakes118.exe
Size

74KB
MD5

df99d601836e60465610d4e5deea9942
SHA1

712b548b417ef1bed1dfaffb5819849495f00274
SHA256

022e5e3eed0f7c820a6afe2a0fb87f68a3388dab5c51060e8274a5825e8f1024
SHA512

9beb80a0631255db441b04063791e48f71c5a0b6d1fc969fcf6e2044641d49a922c5e514285f492f1c9451bc8dde8c2261f126ac1b1d4ead6c99c9e7de544c78
SSDEEP

1536:ro5nSSxQUrr+NrPk4LnvDrRZNeYRwr30Fpb+4D5K3TPVXM:r8nxQu+NDRJZNHCcpS4gC

Score

10^/10

metasploit backdoor discovery evasion trojan

Malware Config

Extracted

Family

metasploit

Version

encoder/fnstenv_mov

Signatures

MetaSploit
Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.
trojan backdoor metasploit

Looks for VMWare Tools registry key 2 TTPs 2 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\VMware, Inc.\VMware Tools	df99d601836e60465610d4e5deea9942_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\VMware, Inc.\VMware Tools	winimi.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\Control Panel\International\Geo\Nation	df99d601836e60465610d4e5deea9942_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
1972	winimi.exe

Executes dropped EXE 1 IoCs

pid	Process
1972	winimi.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\winimi.exe	df99d601836e60465610d4e5deea9942_JaffaCakes118.exe
File opened for modification	C:\Windows\winimi.exe	df99d601836e60465610d4e5deea9942_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 8 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	net.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	net1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	df99d601836e60465610d4e5deea9942_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winimi.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	winimi.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	winimi.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	winimi.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	winimi.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	winimi.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1972	winimi.exe
1972	winimi.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1972	winimi.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2908 wrote to memory of 2696	2908	df99d601836e60465610d4e5deea9942_JaffaCakes118.exe	86
PID 2908 wrote to memory of 2696	2908	df99d601836e60465610d4e5deea9942_JaffaCakes118.exe	86
PID 2908 wrote to memory of 2696	2908	df99d601836e60465610d4e5deea9942_JaffaCakes118.exe	86
PID 2696 wrote to memory of 2244	2696	cmd.exe	89
PID 2696 wrote to memory of 2244	2696	cmd.exe	89
PID 2696 wrote to memory of 2244	2696	cmd.exe	89
PID 2244 wrote to memory of 1944	2244	net.exe	90
PID 2244 wrote to memory of 1944	2244	net.exe	90
PID 2244 wrote to memory of 1944	2244	net.exe	90
PID 1972 wrote to memory of 1964	1972	winimi.exe	91
PID 1972 wrote to memory of 1964	1972	winimi.exe	91
PID 1972 wrote to memory of 1964	1972	winimi.exe	91
PID 2696 wrote to memory of 4164	2696	cmd.exe	92
PID 2696 wrote to memory of 4164	2696	cmd.exe	92
PID 2696 wrote to memory of 4164	2696	cmd.exe	92
PID 4164 wrote to memory of 2160	4164	net.exe	94
PID 4164 wrote to memory of 2160	4164	net.exe	94
PID 4164 wrote to memory of 2160	4164	net.exe	94

C:\Users\Admin\AppData\Local\Temp\df99d601836e60465610d4e5deea9942_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\df99d601836e60465610d4e5deea9942_JaffaCakes118.exe"
1⤵
- Looks for VMWare Tools registry key
- Checks computer location settings
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2908
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\a.bat" "
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2696
- - C:\Windows\SysWOW64\net.exe
    net stop "Security Center"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2244
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop "Security Center"
      4⤵
      System Location Discovery: System Language Discovery
      PID:1944
- - C:\Windows\SysWOW64\net.exe
    net stop winvnc4
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4164
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 stop winvnc4
      4⤵
      System Location Discovery: System Language Discovery
      PID:2160

C:\Windows\winimi.exe
"C:\Windows\winimi.exe"
1⤵
- Looks for VMWare Tools registry key
- Deletes itself
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1972
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\a.bat" "
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1964

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

1

T1497

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Virtualization/Sandbox Evasion

1

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\winimi.exe

Filesize
74KB

MD5
df99d601836e60465610d4e5deea9942

SHA1
712b548b417ef1bed1dfaffb5819849495f00274

SHA256
022e5e3eed0f7c820a6afe2a0fb87f68a3388dab5c51060e8274a5825e8f1024

SHA512
9beb80a0631255db441b04063791e48f71c5a0b6d1fc969fcf6e2044641d49a922c5e514285f492f1c9451bc8dde8c2261f126ac1b1d4ead6c99c9e7de544c78

Download Submit
C:\a.bat

Filesize
71B

MD5
4db2c561024318efaf926a8e0a6ebc36

SHA1
8e3060152b239e7c7bc488e79030b9e3c13de066

SHA256
f9ea85780a059d9338c359925ec487588102ef55be4062ec4ac19efc8af59f0f

SHA512
df700bc9348e147ceb1db687974c567fdff052d73eb4709b718f3b3dfaf44116a5a70c0ae62438416888c0783a575e524f501da1308bbc987443ec3c852bef99

Download Submit
memory/1972-24-0x0000000000400000-0x000000000048BA60-memory.dmp

Filesize
558KB

Download
memory/1972-16-0x0000000000400000-0x000000000048BA60-memory.dmp

Filesize
558KB

Download
memory/1972-17-0x0000000000400000-0x000000000048BA60-memory.dmp

Filesize
558KB

Download
memory/2908-2-0x0000000000484000-0x000000000048C000-memory.dmp

Filesize
32KB

Download
memory/2908-6-0x0000000000400000-0x000000000048BA60-memory.dmp

Filesize
558KB

Download
memory/2908-7-0x0000000000400000-0x000000000048BA60-memory.dmp

Filesize
558KB

Download
memory/2908-5-0x0000000000400000-0x000000000048BA60-memory.dmp

Filesize
558KB

Download
memory/2908-4-0x0000000000400000-0x000000000048BA60-memory.dmp

Filesize
558KB

Download
memory/2908-0-0x0000000000400000-0x000000000048BA60-memory.dmp

Filesize
558KB

Download
memory/2908-3-0x0000000000400000-0x000000000048BA60-memory.dmp

Filesize
558KB

Download
memory/2908-23-0x0000000000484000-0x000000000048C000-memory.dmp

Filesize
32KB

Download
memory/2908-22-0x0000000000400000-0x000000000048BA60-memory.dmp

Filesize
558KB

Download
memory/2908-1-0x0000000000484000-0x000000000048C000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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