401ffb632b61b9a621afeb73482cfa51ef6a2ca71c086d581bfcc46e376b66ec

General

Target

a3b39741832d3b18dd529a4442e5003e_JaffaCakes118.exe
Size

166KB
MD5

a3b39741832d3b18dd529a4442e5003e
SHA1

03edb644b89ef15a6b72841fb8f94acfbe88cd42
SHA256

401ffb632b61b9a621afeb73482cfa51ef6a2ca71c086d581bfcc46e376b66ec
SHA512

063acfaf48855c9ece6f57a8067ad2630d153659560acd834a3ab5bd486856089696bb8489b51c9b419fc808049578b7b94509aef2b811a644933c86b65166d2
SSDEEP

3072:qGZQR6BuOD/QqG1OWhqk72IwX0g4qq+dD342CnB2As2:XZ1ox1PskahFo2kB2p2

Score

7^/10

discovery persistence spyware stealer upx

Malware Config

Signatures

Reads user/profile data of web browsers 2 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

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2568-2-0x0000000000400000-0x000000000043D000-memory.dmp	upx
behavioral1/memory/1712-5-0x0000000000400000-0x000000000043D000-memory.dmp	upx
behavioral1/memory/2568-12-0x0000000000400000-0x000000000043D000-memory.dmp	upx
behavioral1/memory/2632-66-0x0000000000400000-0x000000000043D000-memory.dmp	upx
behavioral1/memory/2632-68-0x0000000000400000-0x000000000043D000-memory.dmp	upx
behavioral1/memory/2568-69-0x0000000000400000-0x000000000043D000-memory.dmp	upx
behavioral1/memory/2568-160-0x0000000000400000-0x000000000043D000-memory.dmp	upx
behavioral1/memory/2568-161-0x0000000000400000-0x000000000043D000-memory.dmp	upx
behavioral1/memory/2568-203-0x0000000000400000-0x000000000043D000-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\conhost = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\conhost.exe"	a3b39741832d3b18dd529a4442e5003e_JaffaCakes118.exe

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	a3b39741832d3b18dd529a4442e5003e_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a3b39741832d3b18dd529a4442e5003e_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a3b39741832d3b18dd529a4442e5003e_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2568 wrote to memory of 1712	2568	a3b39741832d3b18dd529a4442e5003e_JaffaCakes118.exe	30
PID 2568 wrote to memory of 1712	2568	a3b39741832d3b18dd529a4442e5003e_JaffaCakes118.exe	30
PID 2568 wrote to memory of 1712	2568	a3b39741832d3b18dd529a4442e5003e_JaffaCakes118.exe	30
PID 2568 wrote to memory of 1712	2568	a3b39741832d3b18dd529a4442e5003e_JaffaCakes118.exe	30
PID 2568 wrote to memory of 2632	2568	a3b39741832d3b18dd529a4442e5003e_JaffaCakes118.exe	33
PID 2568 wrote to memory of 2632	2568	a3b39741832d3b18dd529a4442e5003e_JaffaCakes118.exe	33
PID 2568 wrote to memory of 2632	2568	a3b39741832d3b18dd529a4442e5003e_JaffaCakes118.exe	33
PID 2568 wrote to memory of 2632	2568	a3b39741832d3b18dd529a4442e5003e_JaffaCakes118.exe	33

C:\Users\Admin\AppData\Local\Temp\a3b39741832d3b18dd529a4442e5003e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a3b39741832d3b18dd529a4442e5003e_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2568
- C:\Users\Admin\AppData\Local\Temp\a3b39741832d3b18dd529a4442e5003e_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\a3b39741832d3b18dd529a4442e5003e_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1712
- C:\Users\Admin\AppData\Local\Temp\a3b39741832d3b18dd529a4442e5003e_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\a3b39741832d3b18dd529a4442e5003e_JaffaCakes118.exe startC:\Users\Admin\AppData\Local\Temp\csrss.exe%C:\Users\Admin\AppData\Local\Temp
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2632

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

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

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

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Downloads

C:\Users\Admin\AppData\Roaming\CBFC.7A2

Filesize
1KB

MD5
c6ac23a6c068f56c31aed80b56a18dce

SHA1
c0cf634e53e0e918f9bdf58449b3f218d2b3fe26

SHA256
1971929dfad79e11a6e4cb7437f399b1cb0ab3506a30c21e0c43d25c83f08505

SHA512
223ca0ae3ca208ac2e6621c8ba13f2fadb83b52944b9883626831442e2b5f9b772bf34f439b3141bed9e2a944755c2266f89fe6700028047494b9344e0eabb65

Download Submit
C:\Users\Admin\AppData\Roaming\CBFC.7A2

Filesize
600B

MD5
fdf8706cda6bb290c510b233cbcbfbcf

SHA1
da9260ffccc4d90305ef060677d8cc57fdf2371c

SHA256
b1830bcee1de05939ee431fa368b7c132c3509f6c83bb006381f9b68cd664fa9

SHA512
c93c6a2d9442a7f5b80b450b8a713b9b9f3c812ff6d0b05810154ea0733df78ccba5e32efb4fb53e05d8e77e60527febe997af7bfc0096e726a000b2354b59e4

Download Submit
C:\Users\Admin\AppData\Roaming\CBFC.7A2

Filesize
996B

MD5
5ffe2425355672096aaef04a3a3fa9db

SHA1
15b2cbb88ba40b30faafa9ee217d91e20ebf3f05

SHA256
9f1dc10b11e94cf605e2e590ffbdd7476e0136dea5ca6979bda3f9724aa25b48

SHA512
c06070e44180d8d0f8f1786ff80026d98aae5f3621264497e17476f075b22e1206b0b6cd05a5b8b0b4e77e8450c93eb79a4d237c7730ea6dd0a266eb716abb82

Download Submit
memory/1712-5-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/2568-12-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/2568-69-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/2568-1-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/2568-2-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/2568-160-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/2568-161-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/2568-203-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/2632-66-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/2632-68-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads