6f28910450f036e54dc3fb269f631953a037f0cf4d838a5c23e9ac9534b70579

General

Target

ae1ea7d9d24c1436636833cbe38e9152_JaffaCakes118.exe
Size

1.2MB
MD5

ae1ea7d9d24c1436636833cbe38e9152
SHA1

51c86acbfb7f1e8baaa946bbe93efc8cc33a238b
SHA256

6f28910450f036e54dc3fb269f631953a037f0cf4d838a5c23e9ac9534b70579
SHA512

5197d2a9eccd5da7c6dc84db85794014943fdf7c6a36c1b1a5ecb584da184fd0d493a105cb6e584421842f2cde09731e83c08d103f9a4253016e32eb1f467b27
SSDEEP

24576:ASRuC6+EFLstWJE4umwDZ9ckG0YFT5tMtDD3yiwvvyvxGv7I:rrCsQJZu/F9ck7YxNiwvvyvxa8

Score

7^/10

discovery 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-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	ae1ea7d9d24c1436636833cbe38e9152_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
5052	tmpUI.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3144-4-0x0000000000400000-0x00000000004E6000-memory.dmp	upx
behavioral2/memory/3144-5-0x0000000000400000-0x00000000004E6000-memory.dmp	upx
behavioral2/memory/3144-6-0x0000000000400000-0x00000000004E6000-memory.dmp	upx
behavioral2/memory/3144-7-0x0000000000400000-0x00000000004E6000-memory.dmp	upx
behavioral2/memory/3144-18-0x0000000000400000-0x00000000004E6000-memory.dmp	upx

AutoIT Executable 3 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/3144-6-0x0000000000400000-0x00000000004E6000-memory.dmp	autoit_exe
behavioral2/memory/3144-7-0x0000000000400000-0x00000000004E6000-memory.dmp	autoit_exe
behavioral2/memory/3144-18-0x0000000000400000-0x00000000004E6000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4372 set thread context of 3144	4372	ae1ea7d9d24c1436636833cbe38e9152_JaffaCakes118.exe	84

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Java\jre-07\bin\jusched.exe	tmpUI.exe
File created	C:\Program Files (x86)\Java\jre-07\bin\UF	tmpUI.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	ae1ea7d9d24c1436636833cbe38e9152_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ae1ea7d9d24c1436636833cbe38e9152_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tmpUI.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 4372 wrote to memory of 3144	4372	ae1ea7d9d24c1436636833cbe38e9152_JaffaCakes118.exe	84
PID 4372 wrote to memory of 3144	4372	ae1ea7d9d24c1436636833cbe38e9152_JaffaCakes118.exe	84
PID 4372 wrote to memory of 3144	4372	ae1ea7d9d24c1436636833cbe38e9152_JaffaCakes118.exe	84
PID 4372 wrote to memory of 3144	4372	ae1ea7d9d24c1436636833cbe38e9152_JaffaCakes118.exe	84
PID 4372 wrote to memory of 3144	4372	ae1ea7d9d24c1436636833cbe38e9152_JaffaCakes118.exe	84
PID 4372 wrote to memory of 3144	4372	ae1ea7d9d24c1436636833cbe38e9152_JaffaCakes118.exe	84
PID 4372 wrote to memory of 3144	4372	ae1ea7d9d24c1436636833cbe38e9152_JaffaCakes118.exe	84
PID 4372 wrote to memory of 5052	4372	ae1ea7d9d24c1436636833cbe38e9152_JaffaCakes118.exe	85
PID 4372 wrote to memory of 5052	4372	ae1ea7d9d24c1436636833cbe38e9152_JaffaCakes118.exe	85
PID 4372 wrote to memory of 5052	4372	ae1ea7d9d24c1436636833cbe38e9152_JaffaCakes118.exe	85

C:\Users\Admin\AppData\Local\Temp\ae1ea7d9d24c1436636833cbe38e9152_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ae1ea7d9d24c1436636833cbe38e9152_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4372
- C:\Users\Admin\AppData\Local\Temp\ae1ea7d9d24c1436636833cbe38e9152_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\ae1ea7d9d24c1436636833cbe38e9152_JaffaCakes118.exe
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3144
- C:\Users\Admin\AppData\Local\Temp\tmpUI.exe
  "C:\Users\Admin\AppData\Local\Temp\tmpUI.exe"
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  PID:5052

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmpUI.exe

Filesize
62KB

MD5
f83c617b55a53db1fc9bd68c9c732192

SHA1
464d5d47ee7e2218a89ffda0c71efcc86b9b6e74

SHA256
68f4238b31a205b4c2a5f4df6bba4cde5a4f77fa3c627ac03d5dda82d202457a

SHA512
fb777ce76c6793b440ba633a6867d44b19fda5cfde566be53c83e445668badb5c56a72062ba5152dfb602415bb1e39d27db1c4ff5ace6e9e6fda7986cbab04de

Download Submit
memory/3144-4-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/3144-5-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/3144-6-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/3144-7-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/3144-18-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/4372-0-0x0000000000770000-0x0000000000771000-memory.dmp

Filesize
4KB

Download
memory/4372-15-0x0000000000400000-0x000000000048C000-memory.dmp

Filesize
560KB

Download

Analysis

Sharing