69a95cb3678349d3da03a48f499f58045ae50065fefa607f8c743b24f3fac284

General

Target

0237c09c63e83c1ce3f4b7b334d3ec01_JaffaCakes118.exe
Size

419KB
MD5

0237c09c63e83c1ce3f4b7b334d3ec01
SHA1

1bd55c234e5604f11bb47b4acefe94bb648c2583
SHA256

69a95cb3678349d3da03a48f499f58045ae50065fefa607f8c743b24f3fac284
SHA512

9ca1a0c9e775d6897ad75864d3cd60d48aeaceeb51f7e20d8a032a88b9327d6e56353942f0282ef1bf83e392d08da2714a4a650906872116beb56216f656bf41
SSDEEP

12288:I2Pn6uN/0ZBA9NoJ4ss7Ohl6+M/KG4hdjxv1NPlgdrFrHRPOV86gPOyl1F:RPPNszARBIs+1vpb2d5xT6yl1F

Score

7^/10

discovery spyware stealer 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-1-5-21-2629364133-3182087385-364449604-1000\Control Panel\International\Geo\Nation	0237c09c63e83c1ce3f4b7b334d3ec01_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
3504	resender.exe

Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3932-0-0x0000000000400000-0x0000000000423000-memory.dmp	upx
behavioral2/files/0x000c000000023ba6-7.dat	upx
behavioral2/memory/3504-11-0x0000000000400000-0x0000000000490000-memory.dmp	upx
behavioral2/memory/3932-15-0x0000000000400000-0x0000000000423000-memory.dmp	upx
behavioral2/memory/3504-16-0x0000000000400000-0x0000000000490000-memory.dmp	upx
behavioral2/memory/3504-17-0x0000000000400000-0x0000000000490000-memory.dmp	upx
behavioral2/memory/3504-19-0x0000000000400000-0x0000000000490000-memory.dmp	upx
behavioral2/memory/3504-20-0x0000000000400000-0x0000000000490000-memory.dmp	upx
behavioral2/memory/3504-21-0x0000000000400000-0x0000000000490000-memory.dmp	upx

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	C:\Windows\resender.exe	0237c09c63e83c1ce3f4b7b334d3ec01_JaffaCakes118.exe
File opened for modification	C:\Windows\resender.exe	0237c09c63e83c1ce3f4b7b334d3ec01_JaffaCakes118.exe
File created	C:\Windows\pcne.exe	0237c09c63e83c1ce3f4b7b334d3ec01_JaffaCakes118.exe
File opened for modification	C:\Windows\pcne.exe	0237c09c63e83c1ce3f4b7b334d3ec01_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 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	0237c09c63e83c1ce3f4b7b334d3ec01_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	resender.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3932 wrote to memory of 3504	3932	0237c09c63e83c1ce3f4b7b334d3ec01_JaffaCakes118.exe	86
PID 3932 wrote to memory of 3504	3932	0237c09c63e83c1ce3f4b7b334d3ec01_JaffaCakes118.exe	86
PID 3932 wrote to memory of 3504	3932	0237c09c63e83c1ce3f4b7b334d3ec01_JaffaCakes118.exe	86

C:\Users\Admin\AppData\Local\Temp\0237c09c63e83c1ce3f4b7b334d3ec01_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\0237c09c63e83c1ce3f4b7b334d3ec01_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3932
- C:\WINDOWS\resender.exe
  "C:\WINDOWS\resender.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3504

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\resender.exe

Filesize
210KB

MD5
761c2ac828d38bbbf24ed341a11b59f0

SHA1
ce5f747345444c140309731e97572175aaec3afa

SHA256
c95f241c0f096cb548c20befca44a3e92d2e7e347af02466cac3f6344252e846

SHA512
07fbcfc13c4d60a47c9e3fd2c35da39132b1075bc56d9f43fb3b105a1b7114d363c17e12175bd5c6caf7c8501c9e7c412c4138363a715a7781b17551f55c83b8

Download Submit
memory/3504-11-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/3504-13-0x0000000000C20000-0x0000000000C21000-memory.dmp

Filesize
4KB

Download
memory/3504-16-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/3504-17-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/3504-18-0x0000000000C20000-0x0000000000C21000-memory.dmp

Filesize
4KB

Download
memory/3504-19-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/3504-20-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/3504-21-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/3932-0-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3932-15-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download

Analysis

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