7f66ea5ee286960fd097be0fc39b5abb85d2ceb2c1e6a80eedfe147ed0fcdf48

General

Target

3939713c4200722f085975229e6427f4_JaffaCakes118.exe
Size

167KB
MD5

3939713c4200722f085975229e6427f4
SHA1

1cac3efca2df0a33909a848c766b64ee036ddfa6
SHA256

7f66ea5ee286960fd097be0fc39b5abb85d2ceb2c1e6a80eedfe147ed0fcdf48
SHA512

63db88bd65b59778f1b621e7834e114c5ee64cafe12210c5fa5c6acb682e5fe31413ea1f476675453057c50469de6c43bd5efc106f9e10ceeacd4445cf8a88ad
SSDEEP

3072:tf2Zps1JNGd2ftNSqXt8xKknIBfgK5OfUV6D5nT/gLTFNhG/2VG78W0:YZpsEBqXtEIGsOfjn7gVfe2VjW0

Score

7^/10

discovery persistence spyware stealer upx

Malware Config

Signatures

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

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"	3939713c4200722f085975229e6427f4_JaffaCakes118.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2188-2-0x0000000000400000-0x0000000000446000-memory.dmp	upx
behavioral1/memory/2836-12-0x0000000000400000-0x0000000000446000-memory.dmp	upx
behavioral1/memory/2836-13-0x0000000000400000-0x0000000000446000-memory.dmp	upx
behavioral1/memory/2836-15-0x0000000000400000-0x0000000000446000-memory.dmp	upx
behavioral1/memory/2188-16-0x0000000000400000-0x0000000000446000-memory.dmp	upx
behavioral1/memory/2188-75-0x0000000000400000-0x0000000000446000-memory.dmp	upx
behavioral1/memory/3048-77-0x0000000000400000-0x0000000000446000-memory.dmp	upx
behavioral1/memory/3048-78-0x0000000000400000-0x0000000000446000-memory.dmp	upx
behavioral1/memory/2188-199-0x0000000000400000-0x0000000000446000-memory.dmp	upx

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	3939713c4200722f085975229e6427f4_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3939713c4200722f085975229e6427f4_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3939713c4200722f085975229e6427f4_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2188 wrote to memory of 2836	2188	3939713c4200722f085975229e6427f4_JaffaCakes118.exe	30
PID 2188 wrote to memory of 2836	2188	3939713c4200722f085975229e6427f4_JaffaCakes118.exe	30
PID 2188 wrote to memory of 2836	2188	3939713c4200722f085975229e6427f4_JaffaCakes118.exe	30
PID 2188 wrote to memory of 2836	2188	3939713c4200722f085975229e6427f4_JaffaCakes118.exe	30
PID 2188 wrote to memory of 3048	2188	3939713c4200722f085975229e6427f4_JaffaCakes118.exe	32
PID 2188 wrote to memory of 3048	2188	3939713c4200722f085975229e6427f4_JaffaCakes118.exe	32
PID 2188 wrote to memory of 3048	2188	3939713c4200722f085975229e6427f4_JaffaCakes118.exe	32
PID 2188 wrote to memory of 3048	2188	3939713c4200722f085975229e6427f4_JaffaCakes118.exe	32

C:\Users\Admin\AppData\Local\Temp\3939713c4200722f085975229e6427f4_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\3939713c4200722f085975229e6427f4_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2188
- C:\Users\Admin\AppData\Local\Temp\3939713c4200722f085975229e6427f4_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\3939713c4200722f085975229e6427f4_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2836
- C:\Users\Admin\AppData\Local\Temp\3939713c4200722f085975229e6427f4_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\3939713c4200722f085975229e6427f4_JaffaCakes118.exe startC:\Users\Admin\AppData\Local\Temp\csrss.exe%C:\Users\Admin\AppData\Local\Temp
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3048

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

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\DD48.44F

Filesize
1KB

MD5
49020d1d1d5a246243f53de4e31fe943

SHA1
1a84837008f0dafca1bcc2336e5fe0235479262f

SHA256
ab2e15b3deb57a1cdb54d14e18ae766a4b30ebb6cc59f25d8299cbef0d815e7d

SHA512
a7230a97a88e677c0192268c19e356b9fcf4b8e7b7fadb2fb1900bd88307dc14df41e15246d5539890258fa6fe19694badd544742fc41f7c0908725316db6148

Download Submit
C:\Users\Admin\AppData\Roaming\DD48.44F

Filesize
600B

MD5
9c680de169cd41e21c9405e2c20bffaf

SHA1
c5265c6c5837dc778f4f19e73d642a9bdbb74796

SHA256
f7c00ed5376dcd3bc204c0414d1f3e1f8e52d3ecd3e00d699b7a4496ec094b7c

SHA512
b99d5cf686dcf97d19bab17163005d43b3ec6d33bb792e3baf06b02559e652f03d3296306808116267197bf37627f065be219d7db8e1a8d0588158d0558e4e57

Download Submit
C:\Users\Admin\AppData\Roaming\DD48.44F

Filesize
996B

MD5
6be65ff8d6a76f36d25d18128aeeb9ba

SHA1
2d36162a1c96e4ff0fa20456267e3c10bd1fe2a7

SHA256
d8ba41533d7ca1406e47457fbd92c19fe7b3171f73f975be59c4da7076b1adb1

SHA512
8fb651e691966e41643a07a6cf0f2cbe369b46a876769e76949e98557da62704ce0f9ce41be5e8036a9a3781ab702814a29483b2ab785a1fd9e326a33eeb2a62

Download Submit
memory/2188-1-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download
memory/2188-199-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download
memory/2188-2-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download
memory/2188-16-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download
memory/2188-75-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download
memory/2836-13-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download
memory/2836-15-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download
memory/2836-12-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download
memory/3048-78-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download
memory/3048-77-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads