01da0487befd3feb380da7434a1aa5d6e5218f0d13fe758972e378c18c7dc949

General

Target

3bbf5da4b58bb4b82cc4568f1274a64b_JaffaCakes118.exe
Size

87KB
MD5

3bbf5da4b58bb4b82cc4568f1274a64b
SHA1

8d8de65d72239e0ed3e9091ebc7545351da65ce6
SHA256

01da0487befd3feb380da7434a1aa5d6e5218f0d13fe758972e378c18c7dc949
SHA512

66d76ccba58d380ecf7fd585f62e91e3e62431cda1d2878b64d616d951cc5f30c65c5a6cf905e46b24575533e30ed95f2a1d53a7eba13042e72527a33b19574e
SSDEEP

768:14NZ90caYDpWhuxKWnfx5Tn06S6bnU+5XCRhvhHIFoAOoYsiLNSTignVL+Wa2zWk:GZVrDsAfEunU2XCfvWFo1rBdgnV6d+

Score

7^/10

discovery persistence upx

Malware Config

Signatures

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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	3bbf5da4b58bb4b82cc4568f1274a64b_JaffaCakes118.exe

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\Adobe_Reader = "c:\\program files (x86)\\internet explorer\\wmpscfgs.exe"	3bbf5da4b58bb4b82cc4568f1274a64b_jaffacakes118 .exe

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral2/memory/60-0-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/60-1-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/60-2-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/60-3-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/60-4-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/60-6-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4376-13-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral2/memory/4376-19-0x0000000000400000-0x0000000000414000-memory.dmp	upx

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\240624921.dat	3bbf5da4b58bb4b82cc4568f1274a64b_jaffacakes118 .exe
File created	C:\Program Files (x86)\240625437.dat	3bbf5da4b58bb4b82cc4568f1274a64b_jaffacakes118 .exe
File created	\??\c:\program files (x86)\internet explorer\js.mui	3bbf5da4b58bb4b82cc4568f1274a64b_jaffacakes118 .exe
File created	\??\c:\program files (x86)\internet explorer\wmpscfgs.exe	3bbf5da4b58bb4b82cc4568f1274a64b_jaffacakes118 .exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2196	4376	WerFault.exe	86

System Location Discovery: System Language Discovery 1 TTPs 1 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	3bbf5da4b58bb4b82cc4568f1274a64b_JaffaCakes118.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
60	3bbf5da4b58bb4b82cc4568f1274a64b_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4376	3bbf5da4b58bb4b82cc4568f1274a64b_jaffacakes118 .exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 60 wrote to memory of 4376	60	3bbf5da4b58bb4b82cc4568f1274a64b_JaffaCakes118.exe	86
PID 60 wrote to memory of 4376	60	3bbf5da4b58bb4b82cc4568f1274a64b_JaffaCakes118.exe	86
PID 60 wrote to memory of 4376	60	3bbf5da4b58bb4b82cc4568f1274a64b_JaffaCakes118.exe	86

C:\Users\Admin\AppData\Local\Temp\3bbf5da4b58bb4b82cc4568f1274a64b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\3bbf5da4b58bb4b82cc4568f1274a64b_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:60
- C:\Users\Admin\appdata\local\temp\3bbf5da4b58bb4b82cc4568f1274a64b_jaffacakes118 .exe
  "C:\Users\Admin\appdata\local\temp\3bbf5da4b58bb4b82cc4568f1274a64b_jaffacakes118 .exe"
  2⤵
  - Adds Run key to start application
  - Drops file in Program Files directory
  - Suspicious use of AdjustPrivilegeToken
  PID:4376
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4376 -s 648
    3⤵
    - Program crash
    PID:2196

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4376 -ip 4376
1⤵
PID:2036

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

Query Registry

1

T1012

System Information Discovery

2

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/60-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/60-1-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/60-2-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/60-3-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/60-4-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/60-6-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4376-13-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4376-19-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads