9d9cacaa68b36a6f322d14f7e5329c199b28c35b4e9ca62cc8d30173886e6de5

General

Target

JaffaCakes118_79b53b86991e5b293effb6faa90284fe.exe
Size

397KB
MD5

79b53b86991e5b293effb6faa90284fe
SHA1

9151154b037719cc2aa821b648f1c2331cefc7a6
SHA256

9d9cacaa68b36a6f322d14f7e5329c199b28c35b4e9ca62cc8d30173886e6de5
SHA512

e86bf2de2c8c0412ca5bde426311839c16a6b76306236e3cf205d3ec0385fdf0bfa6be26bf007be1a8af4fff6ae6b84154cf0541f671d114ad506b6da13c78e6
SSDEEP

6144:Sf/YM7555/4zAaEpV3s6tdmtcwOixAkV94xtFwRH/KGjZCZDKvg:SfUfEpvuxxd94xvCfKICZDKo

Score

10^/10

credential_access discovery spyware stealer

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
Smtp.gmail.com
Port:
587
Username:
[email protected]
Password:
myhackername

Signatures

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\winlogin.exe	RSBot Auth Generator.exe
File opened for modification	C:\users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\winlogin.exe	RSBot Auth Generator.exe

Executes dropped EXE 3 IoCs

pid	Process
2488	RSBot Auth Generator.exe
2148	Rsbot.Net Authorization Code Generator v1.4.exe
2932	Microsoftnet.exe

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
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
Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

Credentials In Files
T1552.001

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
6	whatismyip.com

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 1 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	Rsbot.Net Authorization Code Generator v1.4.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2488	RSBot Auth Generator.exe
2488	RSBot Auth Generator.exe
2488	RSBot Auth Generator.exe
2488	RSBot Auth Generator.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2932	Microsoftnet.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2488	RSBot Auth Generator.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2932	Microsoftnet.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2528 wrote to memory of 2488	2528	JaffaCakes118_79b53b86991e5b293effb6faa90284fe.exe	30
PID 2528 wrote to memory of 2488	2528	JaffaCakes118_79b53b86991e5b293effb6faa90284fe.exe	30
PID 2528 wrote to memory of 2488	2528	JaffaCakes118_79b53b86991e5b293effb6faa90284fe.exe	30
PID 2528 wrote to memory of 2148	2528	JaffaCakes118_79b53b86991e5b293effb6faa90284fe.exe	31
PID 2528 wrote to memory of 2148	2528	JaffaCakes118_79b53b86991e5b293effb6faa90284fe.exe	31
PID 2528 wrote to memory of 2148	2528	JaffaCakes118_79b53b86991e5b293effb6faa90284fe.exe	31
PID 2528 wrote to memory of 2148	2528	JaffaCakes118_79b53b86991e5b293effb6faa90284fe.exe	31
PID 2488 wrote to memory of 2932	2488	RSBot Auth Generator.exe	33
PID 2488 wrote to memory of 2932	2488	RSBot Auth Generator.exe	33
PID 2488 wrote to memory of 2932	2488	RSBot Auth Generator.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_79b53b86991e5b293effb6faa90284fe.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_79b53b86991e5b293effb6faa90284fe.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2528
- C:\Users\Admin\AppData\Local\Temp\RSBot Auth Generator.exe
  "C:\Users\Admin\AppData\Local\Temp\RSBot Auth Generator.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2488
- - C:\Users\Admin\AppData\Local\Temp\Microsoftnet.exe
    C:\Users\Admin\AppData\Local\Temp\Microsoftnet.exe
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2932
- C:\Users\Admin\AppData\Local\Temp\Rsbot.Net Authorization Code Generator v1.4.exe
  "C:\Users\Admin\AppData\Local\Temp\Rsbot.Net Authorization Code Generator v1.4.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2148

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

4

T1552

Credentials In Files

4

T1552.001

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

3

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
18KB

MD5
ddaa9ac21ce4316190e2a8780f9aa4d2

SHA1
0721e72c05adf6eae41d1af7fb4a47463a7a2202

SHA256
5daea85cf593f2bae2877b407bb1f774f030a70fd4f28167e1accea350176960

SHA512
17b74eda39863bf4738275b6b2df7429f6bbf0cbc43445f19e3dfd2cfa8e78907e33d39fdf5dee0652cf9676e0bb05889a05ae9c5dffa787012da6ba25594d1d

Download Submit
C:\Users\Admin\AppData\Local\Temp\RSBot Auth Generator.exe

Filesize
182KB

MD5
668df61e5d4c8cbe355bf32beee08e9d

SHA1
8af0627537e02f1b8214937b5ee51cf04752cd23

SHA256
231f21271e7f21d08d233bf38563f5cc0a21cc5518c9543b67bd07dfeea2486e

SHA512
4a03d2e8b3b68c2f87ff855224be0cf8fbfb95e0fb999b92761c7675f7dde2bbeb9f984a98e820fdcf955b56cb46d0c8f581975ce261c4d988688097ece0919d

Download Submit
C:\Users\Admin\AppData\Local\Temp\Rsbot.Net Authorization Code Generator v1.4.exe

Filesize
177KB

MD5
3ad5e3ab81719b3671f04a60945349d4

SHA1
7fd9c23ee5fa3da167b8dcc5d5294fc51eb8828e

SHA256
12349f46742fe924d9aac75640cc7621e23630998afb6c5a1fd95c00b5a85703

SHA512
1126ce288a426b9965722b567823a7e52115ef4a5d0a61be4c92730529ec2273a471f09b1d99caf39917ace66ead864e03aba8d68c258efed59796359e7d6e90

Download Submit
memory/2148-21-0x0000000001130000-0x0000000001164000-memory.dmp

Filesize
208KB

Download
memory/2488-19-0x000000001AD50000-0x000000001AD5C000-memory.dmp

Filesize
48KB

Download
memory/2488-16-0x000007FEF5D60000-0x000007FEF66FD000-memory.dmp

Filesize
9.6MB

Download
memory/2488-18-0x000007FEF5D60000-0x000007FEF66FD000-memory.dmp

Filesize
9.6MB

Download
memory/2488-20-0x000007FEF5D60000-0x000007FEF66FD000-memory.dmp

Filesize
9.6MB

Download
memory/2488-28-0x000007FEF5D60000-0x000007FEF66FD000-memory.dmp

Filesize
9.6MB

Download
memory/2528-6-0x000007FEF5D60000-0x000007FEF66FD000-memory.dmp

Filesize
9.6MB

Download
memory/2528-2-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2528-0-0x000007FEF601E000-0x000007FEF601F000-memory.dmp

Filesize
4KB

Download
memory/2528-17-0x000007FEF5D60000-0x000007FEF66FD000-memory.dmp

Filesize
9.6MB

Download
memory/2528-3-0x000007FEF5D60000-0x000007FEF66FD000-memory.dmp

Filesize
9.6MB

Download
memory/2528-1-0x000007FEF5D60000-0x000007FEF66FD000-memory.dmp

Filesize
9.6MB

Download

Analysis

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