cycbot | b3ad64505b046123795f34ea06bc446b49eb1ab7c49078223e13d44938bcaffd

General

Target

d5ca9fe5fabb6e73ac3ad7f2003a78be_JaffaCakes118.exe
Size

209KB
MD5

d5ca9fe5fabb6e73ac3ad7f2003a78be
SHA1

2688607178016a520c6891d058824a1000c8b726
SHA256

b3ad64505b046123795f34ea06bc446b49eb1ab7c49078223e13d44938bcaffd
SHA512

72313e527e59c39dbaf121ac63d9149f8e598b43b1cb27b97ee634fd6361b81a4c05a70985268f3b3b48f469fbdef1a36dc359d5b251943f24487b2b79dc753d
SSDEEP

6144:3dBQ+MZUKHr7aaBJMSQCEV3x2r2crsZ2kZlkpq+JSrwwY:3bQ9XBj2x2r3reZGi

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 4 IoCs

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

resource	yara_rule
behavioral1/memory/3048-9-0x0000000000400000-0x000000000044D000-memory.dmp	family_cycbot
behavioral1/memory/2460-21-0x0000000000400000-0x000000000044D000-memory.dmp	family_cycbot
behavioral1/memory/1724-88-0x0000000000400000-0x000000000044D000-memory.dmp	family_cycbot
behavioral1/memory/2460-193-0x0000000000400000-0x000000000044D000-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/2460-2-0x0000000000400000-0x000000000044D000-memory.dmp	upx
behavioral1/memory/3048-7-0x0000000000400000-0x000000000044D000-memory.dmp	upx
behavioral1/memory/3048-9-0x0000000000400000-0x000000000044D000-memory.dmp	upx
behavioral1/memory/2460-21-0x0000000000400000-0x000000000044D000-memory.dmp	upx
behavioral1/memory/1724-87-0x0000000000400000-0x000000000044D000-memory.dmp	upx
behavioral1/memory/1724-88-0x0000000000400000-0x000000000044D000-memory.dmp	upx
behavioral1/memory/2460-193-0x0000000000400000-0x000000000044D000-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	d5ca9fe5fabb6e73ac3ad7f2003a78be_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d5ca9fe5fabb6e73ac3ad7f2003a78be_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d5ca9fe5fabb6e73ac3ad7f2003a78be_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2460 wrote to memory of 3048	2460	d5ca9fe5fabb6e73ac3ad7f2003a78be_JaffaCakes118.exe	31
PID 2460 wrote to memory of 3048	2460	d5ca9fe5fabb6e73ac3ad7f2003a78be_JaffaCakes118.exe	31
PID 2460 wrote to memory of 3048	2460	d5ca9fe5fabb6e73ac3ad7f2003a78be_JaffaCakes118.exe	31
PID 2460 wrote to memory of 3048	2460	d5ca9fe5fabb6e73ac3ad7f2003a78be_JaffaCakes118.exe	31
PID 2460 wrote to memory of 1724	2460	d5ca9fe5fabb6e73ac3ad7f2003a78be_JaffaCakes118.exe	33
PID 2460 wrote to memory of 1724	2460	d5ca9fe5fabb6e73ac3ad7f2003a78be_JaffaCakes118.exe	33
PID 2460 wrote to memory of 1724	2460	d5ca9fe5fabb6e73ac3ad7f2003a78be_JaffaCakes118.exe	33
PID 2460 wrote to memory of 1724	2460	d5ca9fe5fabb6e73ac3ad7f2003a78be_JaffaCakes118.exe	33

C:\Users\Admin\AppData\Local\Temp\d5ca9fe5fabb6e73ac3ad7f2003a78be_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d5ca9fe5fabb6e73ac3ad7f2003a78be_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2460
- C:\Users\Admin\AppData\Local\Temp\d5ca9fe5fabb6e73ac3ad7f2003a78be_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\d5ca9fe5fabb6e73ac3ad7f2003a78be_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3048
- C:\Users\Admin\AppData\Local\Temp\d5ca9fe5fabb6e73ac3ad7f2003a78be_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\d5ca9fe5fabb6e73ac3ad7f2003a78be_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1724

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\6F5D.99B

Filesize
597B

MD5
f6ad4008a30f5df2f61124c05dba57e7

SHA1
6b992d78b3abeb363677b791961394322acbfdb9

SHA256
00117f2febcdad8514825e5206ba571e9d0df41e6ed73a77f3d047a656b60589

SHA512
e3afc26de37805a6fa186b15ead5cd85769c0d25487657040ed4adf7930b7b1ad7fe7ad5655ec2929d76883f88604c133c09cb7082ed8fa54e2a9c87c52f20cb

Download Submit
C:\Users\Admin\AppData\Roaming\6F5D.99B

Filesize
1KB

MD5
0507ce06c53062891444a58fca95acb5

SHA1
fc044fe7ff5892743ce815685b7b85deba818cf4

SHA256
bfc1488cceba72a8c54d95bf1f9197c74cc62d3c603bb1d48edc118aaaa9f5a9

SHA512
f070486e12d23dfe0692f7375f2635a25e3f2c6226fb7369d30e1dfde8acfd6a1f6eb0d724fc516ecc7dd3d5ebebdd40b042ea628220a39615711fa851983450

Download Submit
C:\Users\Admin\AppData\Roaming\6F5D.99B

Filesize
897B

MD5
682be742f4e9aa88c6f41cfa05924f93

SHA1
e83ea976c1b53b510b680b01bbf49b72a28c5776

SHA256
414b23528290fcdf90bcfcb63184bf0459aad39ff2ad4f04259525ee8d168c52

SHA512
cd4c39cfb32a02900564b0c341045afb4b5ffee9b227938c9b3a2bf616d6601a635588bc59285fe9e3a54c57364d938432981cf129286772638d388094fe1de7

Download Submit
C:\Users\Admin\AppData\Roaming\6F5D.99B

Filesize
1KB

MD5
00553ff89791c72b9244c3003052e274

SHA1
7bed60e60dfc0679daa08d7dbd81bed2d2258928

SHA256
5572122a6b9b2cbc9105ab14ba8e21261f7318514d88ce237a6cb36ca6e2203c

SHA512
b0741150a3aadbb112b743fe2adfb3a8848acdeea83fb37cb2c5ddcd0e4f63a5bc525537f83e099577e4a9a88e214e99c52ee8c3bf30617b81aa4d8e0f1bf60c

Download Submit
memory/1724-87-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/1724-88-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/2460-2-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/2460-1-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/2460-21-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/2460-193-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/3048-7-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/3048-9-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download

Analysis

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