cycbot | 21b8a8dd505a8dd08f6fd19a85fa423a45510ba2cce72829c0424f0bea14c1b6

General

Target

JaffaCakes118_2c5f7086829d2325aa9ccd2fec679cd9.exe
Size

187KB
MD5

2c5f7086829d2325aa9ccd2fec679cd9
SHA1

7b6168437cb5a73c1b26254aa065da6bf6f7d539
SHA256

21b8a8dd505a8dd08f6fd19a85fa423a45510ba2cce72829c0424f0bea14c1b6
SHA512

7d2636ed9c6673e0d13bffde5ad0a41f649c88ac7c97c0c670e8f5d87dbf29ee312d2af91860252a7a33a9821e9b9b6f85a59ad8d7104c1c9b4ef618a91fba4f
SSDEEP

3072:EiTwWW0AYX9dbOKLCNh072GeTm9sZuKp2nPSqgPXWL+T5hC:EiT97diKeCa52Cth

Score

10^/10

cycbot backdoor discovery rat spyware stealer upx

Malware Config

Signatures

Cycbot
Cycbot is a backdoor and trojan written in C++..
backdoor rat cycbot
Cycbot family
cycbot

Detects Cycbot payload 5 IoCs

Cycbot is a backdoor and trojan written in C++.

resource	yara_rule
behavioral1/memory/2448-13-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/2564-14-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/2564-15-0x0000000000400000-0x0000000000452000-memory.dmp	family_cycbot
behavioral1/memory/1576-132-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/2564-287-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot

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 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2564-2-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2448-12-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2448-13-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2564-14-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2564-15-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral1/memory/1576-132-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2564-287-0x0000000000400000-0x0000000000455000-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	JaffaCakes118_2c5f7086829d2325aa9ccd2fec679cd9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_2c5f7086829d2325aa9ccd2fec679cd9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_2c5f7086829d2325aa9ccd2fec679cd9.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2564 wrote to memory of 2448	2564	JaffaCakes118_2c5f7086829d2325aa9ccd2fec679cd9.exe	30
PID 2564 wrote to memory of 2448	2564	JaffaCakes118_2c5f7086829d2325aa9ccd2fec679cd9.exe	30
PID 2564 wrote to memory of 2448	2564	JaffaCakes118_2c5f7086829d2325aa9ccd2fec679cd9.exe	30
PID 2564 wrote to memory of 2448	2564	JaffaCakes118_2c5f7086829d2325aa9ccd2fec679cd9.exe	30
PID 2564 wrote to memory of 1576	2564	JaffaCakes118_2c5f7086829d2325aa9ccd2fec679cd9.exe	33
PID 2564 wrote to memory of 1576	2564	JaffaCakes118_2c5f7086829d2325aa9ccd2fec679cd9.exe	33
PID 2564 wrote to memory of 1576	2564	JaffaCakes118_2c5f7086829d2325aa9ccd2fec679cd9.exe	33
PID 2564 wrote to memory of 1576	2564	JaffaCakes118_2c5f7086829d2325aa9ccd2fec679cd9.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2c5f7086829d2325aa9ccd2fec679cd9.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2c5f7086829d2325aa9ccd2fec679cd9.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2564
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2c5f7086829d2325aa9ccd2fec679cd9.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2c5f7086829d2325aa9ccd2fec679cd9.exe startC:\Program Files (x86)\LP\1830\51C.exe%C:\Program Files (x86)\LP\1830
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2448
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2c5f7086829d2325aa9ccd2fec679cd9.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2c5f7086829d2325aa9ccd2fec679cd9.exe startC:\Users\Admin\AppData\Roaming\09351\29318.exe%C:\Users\Admin\AppData\Roaming\09351
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1576

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

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:\Users\Admin\AppData\Roaming\09351\1905.935

Filesize
996B

MD5
33fe22497544be1dd0334425b3d16787

SHA1
ff9dbc97682504bc054e5dd3660013b891b4dc04

SHA256
c815cb188cc408cc1121d2f5f82d992db61f0c1a87b6e0cc343eb2942792ff89

SHA512
2a7c46e227fa98197c8d29428c381373a81de117f9a27f394caf15372851b9c11b8e83d4fe371d1bd2824f38f64bd849a927240965fa2515c2307b9d0b52cb87

Download Submit
C:\Users\Admin\AppData\Roaming\09351\1905.935

Filesize
600B

MD5
523cf85e0335ed4ca26d38822f795ade

SHA1
8253574b7f40a45b4d6c9eddc0bd430a83499998

SHA256
09183d8a8cb3179305c8ec421ae324fefe955534d8cc15fb0dbf8b2641b055ba

SHA512
39643a2668fd26028582a762c6d7463f7beee3b3adc8f0a07608d9636a6181e3777e8940e76b81ef7d66d39342f9f364eb51940c0e34f99119def103e1b2eb29

Download Submit
C:\Users\Admin\AppData\Roaming\09351\1905.935

Filesize
1KB

MD5
44889b8a9d9968de9bb333e8fe75744a

SHA1
570e569f58cd3a683b5ba6d983540d32a34d597e

SHA256
bb190e0e552e20405e150a04bd65e703de9758b2d5bbd726104d20b921c99eac

SHA512
ff81083f446a29f632911fc1609d4dd576084cec8b7d1d7eec9a87e7dd39a21e6708cbec27da6b7c2a897b9370771ea3ee9f75457ea63b6e1097b99a6007d424

Download Submit
memory/1576-132-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2448-11-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2448-12-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2448-13-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2564-1-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2564-2-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2564-14-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2564-15-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2564-287-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download

Analysis

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