908b0754e44ac097184f007e466f0d7480ccfcf8129c0cefc7aa731f6c7a9ae7

General

Target

ee98a8106ced08c4bd967cf0819be688_JaffaCakes118.exe
Size

49KB
MD5

ee98a8106ced08c4bd967cf0819be688
SHA1

57b18219c3870cbce6515299e96040ab63996f64
SHA256

908b0754e44ac097184f007e466f0d7480ccfcf8129c0cefc7aa731f6c7a9ae7
SHA512

cc8a11c4e0de2bab367eef14dd439821e1f2c5838404f906265b897594951a4d080075c4d2b029f8b06fbfc58a66404c6507387c5e5665abd4b3a0e36070d33e
SSDEEP

768:y4y41BanN21UeaU8QWyC3rrgTIep6IQZMosPNut:y9mBanwOU8DzrrgTdxNu

Score

10^/10

discovery evasion spyware stealer upx

Malware Config

Signatures

Modifies firewall policy service 3 TTPs 4 IoCs

evasion

Modify Registry

T1112

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Admin\AppData\Local\Temp\ee98a8106ced08c4bd967cf0819be688_JaffaCakes118.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ee98a8106ced08c4bd967cf0819be688_JaffaCakes118.exe:*:Enabled:ldrsoft"	ee98a8106ced08c4bd967cf0819be688_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	ee98a8106ced08c4bd967cf0819be688_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	ee98a8106ced08c4bd967cf0819be688_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	ee98a8106ced08c4bd967cf0819be688_JaffaCakes118.exe

Checks BIOS information in registry 2 TTPs 1 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	ee98a8106ced08c4bd967cf0819be688_JaffaCakes118.exe

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 12 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2796-0-0x0000000000400000-0x000000000145B000-memory.dmp	upx
behavioral2/memory/2796-1-0x0000000000400000-0x000000000145B000-memory.dmp	upx
behavioral2/memory/2796-2-0x0000000000400000-0x0000000001456000-memory.dmp	upx
behavioral2/memory/2796-4-0x0000000000400000-0x000000000145B000-memory.dmp	upx
behavioral2/memory/2796-5-0x0000000000400000-0x0000000001456000-memory.dmp	upx
behavioral2/memory/2796-8-0x0000000000400000-0x000000000145B000-memory.dmp	upx
behavioral2/memory/2796-10-0x0000000000400000-0x000000000145B000-memory.dmp	upx
behavioral2/memory/2796-12-0x0000000000400000-0x000000000145B000-memory.dmp	upx
behavioral2/memory/2796-14-0x0000000000400000-0x000000000145B000-memory.dmp	upx
behavioral2/memory/2796-16-0x0000000000400000-0x000000000145B000-memory.dmp	upx
behavioral2/memory/2796-19-0x0000000000400000-0x000000000145B000-memory.dmp	upx
behavioral2/memory/2796-20-0x0000000000400000-0x0000000001456000-memory.dmp	upx

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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ee98a8106ced08c4bd967cf0819be688_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2796 wrote to memory of 2232	2796	ee98a8106ced08c4bd967cf0819be688_JaffaCakes118.exe	92
PID 2796 wrote to memory of 2232	2796	ee98a8106ced08c4bd967cf0819be688_JaffaCakes118.exe	92
PID 2796 wrote to memory of 2232	2796	ee98a8106ced08c4bd967cf0819be688_JaffaCakes118.exe	92

C:\Users\Admin\AppData\Local\Temp\ee98a8106ced08c4bd967cf0819be688_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ee98a8106ced08c4bd967cf0819be688_JaffaCakes118.exe"
1⤵
- Modifies firewall policy service
- Checks BIOS information in registry
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2796
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\EE98A8~1.EXE00.bat
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2232

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Privilege Escalation

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Defense Evasion

Impair Defenses

1

T1562

Disable or Modify System Firewall

Modify Registry

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Query Registry

1

T1012

System Information Discovery

1

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\EE98A8~1.EXE00.bat

Filesize
192B

MD5
e5878062b2bed71025f5155f95d17256

SHA1
d8c6b7a8b2edc8d43daf8c1f86ce777be819c2e8

SHA256
0c63377102fd7dc9650d1351e8ec2209d104253bc5c1594983b40ee8d9180393

SHA512
50997957c45a5cce44a12a4257ab1d3c8c430b1bc17dd136f56760844e4775af71ed0b67c0aa12eab352cb1b8ac2078865a05858f4e8b075a177816cb45dff97

Download Submit
memory/2796-10-0x0000000000400000-0x000000000145B000-memory.dmp

Filesize
16.4MB

Download
memory/2796-2-0x0000000000400000-0x0000000001456000-memory.dmp

Filesize
16.3MB

Download
memory/2796-4-0x0000000000400000-0x000000000145B000-memory.dmp

Filesize
16.4MB

Download
memory/2796-5-0x0000000000400000-0x0000000001456000-memory.dmp

Filesize
16.3MB

Download
memory/2796-8-0x0000000000400000-0x000000000145B000-memory.dmp

Filesize
16.4MB

Download
memory/2796-0-0x0000000000400000-0x000000000145B000-memory.dmp

Filesize
16.4MB

Download
memory/2796-12-0x0000000000400000-0x000000000145B000-memory.dmp

Filesize
16.4MB

Download
memory/2796-14-0x0000000000400000-0x000000000145B000-memory.dmp

Filesize
16.4MB

Download
memory/2796-16-0x0000000000400000-0x000000000145B000-memory.dmp

Filesize
16.4MB

Download
memory/2796-19-0x0000000000400000-0x000000000145B000-memory.dmp

Filesize
16.4MB

Download
memory/2796-20-0x0000000000400000-0x0000000001456000-memory.dmp

Filesize
16.3MB

Download
memory/2796-1-0x0000000000400000-0x000000000145B000-memory.dmp

Filesize
16.4MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads