cycbot | 1e82c103c4ac3794d519a480508084f4ccce6f5dceb60626bc18ade4e394b86d

General

Target

JaffaCakes118_afc4d116a8db0d69b6aabd2f3b443002.exe
Size

179KB
MD5

afc4d116a8db0d69b6aabd2f3b443002
SHA1

2a410a8263f3d21d825d51790d578fa1ae79a469
SHA256

1e82c103c4ac3794d519a480508084f4ccce6f5dceb60626bc18ade4e394b86d
SHA512

ce33ddcdaa035811c6c4b0d1b3e05df0cbbc72ed2e2b470ed289b85ec28acf192182e862aef40687b2a3b5fa7db1e700adf43df1b4ff60f625ba7c5e4cda8e08
SSDEEP

3072:PWiBsGzqRlIVQGdCRC1L2BIhxBq1cNkOvQnyUs9gZ41I9Kv2uxCrC2JUk3:+iBRzqvIvdUqLXhq1I7QiGjK5YJP

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/2284-13-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/2936-14-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/2936-15-0x0000000000400000-0x0000000000452000-memory.dmp	family_cycbot
behavioral1/memory/2872-121-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/2936-256-0x0000000000400000-0x0000000000455000-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 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2936-3-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2284-13-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2936-14-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2936-15-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral1/memory/2872-121-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2936-256-0x0000000000400000-0x0000000000455000-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_afc4d116a8db0d69b6aabd2f3b443002.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_afc4d116a8db0d69b6aabd2f3b443002.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_afc4d116a8db0d69b6aabd2f3b443002.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2936 wrote to memory of 2284	2936	JaffaCakes118_afc4d116a8db0d69b6aabd2f3b443002.exe	30
PID 2936 wrote to memory of 2284	2936	JaffaCakes118_afc4d116a8db0d69b6aabd2f3b443002.exe	30
PID 2936 wrote to memory of 2284	2936	JaffaCakes118_afc4d116a8db0d69b6aabd2f3b443002.exe	30
PID 2936 wrote to memory of 2284	2936	JaffaCakes118_afc4d116a8db0d69b6aabd2f3b443002.exe	30
PID 2936 wrote to memory of 2872	2936	JaffaCakes118_afc4d116a8db0d69b6aabd2f3b443002.exe	32
PID 2936 wrote to memory of 2872	2936	JaffaCakes118_afc4d116a8db0d69b6aabd2f3b443002.exe	32
PID 2936 wrote to memory of 2872	2936	JaffaCakes118_afc4d116a8db0d69b6aabd2f3b443002.exe	32
PID 2936 wrote to memory of 2872	2936	JaffaCakes118_afc4d116a8db0d69b6aabd2f3b443002.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_afc4d116a8db0d69b6aabd2f3b443002.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_afc4d116a8db0d69b6aabd2f3b443002.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2936
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_afc4d116a8db0d69b6aabd2f3b443002.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_afc4d116a8db0d69b6aabd2f3b443002.exe startC:\Program Files (x86)\LP\2C07\619.exe%C:\Program Files (x86)\LP\2C07
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2284
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_afc4d116a8db0d69b6aabd2f3b443002.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_afc4d116a8db0d69b6aabd2f3b443002.exe startC:\Users\Admin\AppData\Roaming\76D4B\6AC2C.exe%C:\Users\Admin\AppData\Roaming\76D4B
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2872

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

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Downloads

C:\Users\Admin\AppData\Roaming\76D4B\B931.6D4

Filesize
996B

MD5
3c49e883afc8aca737699cbf34f8bbe2

SHA1
a85d18a7d7260a0a7fdff8e908440b3607ecb86f

SHA256
060a8b16c15befad5490bed70f3b111541b079c1c3d603a799fa32e01dc43a70

SHA512
be0745a1db1e6065f238b58f6cfdfa6ebab46d85cf43de0582b138bb4ca1f5ebbb3cbfdcbfe874e6cea61bb1a4573ff1ad0323308007b8dfd55c5037469c31a4

Download Submit
C:\Users\Admin\AppData\Roaming\76D4B\B931.6D4

Filesize
600B

MD5
9d4445b377869612a849c5584b30df63

SHA1
3e5f6e427079c2254ae4c9dedc71e2edcf948790

SHA256
c2936ab490e516bbf085553174e9203285a2200d411017e1e59017b6e5333b34

SHA512
2d53c13c623beb640b1fd971c91e5f37082bf0db322f569a83ac65b0fc9cb0d7be3953da1a140e7000d405c3493afbad2da6f67877333cac0a66a3f6ad8004bc

Download Submit
C:\Users\Admin\AppData\Roaming\76D4B\B931.6D4

Filesize
1KB

MD5
673a923bc5c6e8f8a21eae386572cfb7

SHA1
7744aaa2ffa63fc3d6ed82ec2329a0e5e50064e8

SHA256
82dd7b7e8aab03cbad057bd7dc4e4218b1c75d36b149f0712d487924231f2ab5

SHA512
1ed7f9ed97878fa71ecfc6086c15639d3480f53fcb1ac394c66184b47f3fc7b38ba46a826a5378b3b62d32d678aec2d149e20a525aeae16945140ea51a67f463

Download Submit
C:\Users\Admin\AppData\Roaming\76D4B\B931.6D4

Filesize
1KB

MD5
ddff728d9800ac21f1217bfea00bbc3c

SHA1
c9d16621d4ba0e59a5850fbd5e5b94e894630241

SHA256
f986ecc5d67ade08b2ff9ca979468d18dc0151388e844997a9872545d01a3536

SHA512
ceca41eb4cde4dfe2873c1af94ac58c93929b90741996fd4aa04a009a5ba86d1788d2d4ec645a921109693289f6082a54c4437d8e706efbbc9b8d5698363a319

Download Submit
memory/2284-13-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2872-121-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2936-0-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2936-2-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2936-3-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2936-14-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2936-15-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2936-256-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download

Analysis

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