cycbot | 23a764b9c69ce83aacf6ce92f8c878481f0acf02f324a5a01938cce172c994f5

General

Target

JaffaCakes118_14c30127e0acc9fa6ea8a45eec151781.exe
Size

188KB
MD5

14c30127e0acc9fa6ea8a45eec151781
SHA1

e45578c2f2337d81897550bd50d6952db6492dab
SHA256

23a764b9c69ce83aacf6ce92f8c878481f0acf02f324a5a01938cce172c994f5
SHA512

9ba77047c0a5b4d486f9d3cc34c3b7148c60412c59c2fb852dd231cd90149143df2f91b853054f8f90e26c16f37ef571bc94fcd40a5bc60710f162c813f5f25b
SSDEEP

3072:bjNiyF5DyhIFYd9rmM4n1XvudI1V+6rdj7xE3GSo3ln+xRf2RKoUY6u//Y7KoO:XNikFyCFYdUM3dIBr5i2Sa5KQAt

Score

10^/10

cycbot backdoor discovery rat upx

Malware Config

Signatures

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

Detects Cycbot payload 6 IoCs

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

resource	yara_rule
behavioral2/memory/4540-13-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral2/memory/2724-14-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral2/memory/2724-15-0x0000000000400000-0x0000000000452000-memory.dmp	family_cycbot
behavioral2/memory/628-116-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral2/memory/2724-307-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral2/memory/2724-309-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2724-2-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/4540-12-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/4540-13-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/2724-14-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/2724-15-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral2/memory/628-116-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/2724-307-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/2724-309-0x0000000000400000-0x0000000000455000-memory.dmp	upx

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	JaffaCakes118_14c30127e0acc9fa6ea8a45eec151781.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2724 wrote to memory of 4540	2724	JaffaCakes118_14c30127e0acc9fa6ea8a45eec151781.exe	84
PID 2724 wrote to memory of 4540	2724	JaffaCakes118_14c30127e0acc9fa6ea8a45eec151781.exe	84
PID 2724 wrote to memory of 4540	2724	JaffaCakes118_14c30127e0acc9fa6ea8a45eec151781.exe	84
PID 2724 wrote to memory of 628	2724	JaffaCakes118_14c30127e0acc9fa6ea8a45eec151781.exe	99
PID 2724 wrote to memory of 628	2724	JaffaCakes118_14c30127e0acc9fa6ea8a45eec151781.exe	99
PID 2724 wrote to memory of 628	2724	JaffaCakes118_14c30127e0acc9fa6ea8a45eec151781.exe	99

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_14c30127e0acc9fa6ea8a45eec151781.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_14c30127e0acc9fa6ea8a45eec151781.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2724
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_14c30127e0acc9fa6ea8a45eec151781.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_14c30127e0acc9fa6ea8a45eec151781.exe startC:\Program Files (x86)\LP\49F3\9EA.exe%C:\Program Files (x86)\LP\49F3
  2⤵
  PID:4540
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_14c30127e0acc9fa6ea8a45eec151781.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_14c30127e0acc9fa6ea8a45eec151781.exe startC:\Users\Admin\AppData\Roaming\32555\07D49.exe%C:\Users\Admin\AppData\Roaming\32555
  2⤵
  PID:628

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\32555\539C.255

Filesize
996B

MD5
07eb3ba70da0f3a558a4f5d2c74f1fcf

SHA1
a6a398b1308ea25c0e0b418b80f4a73cc2cdc4fb

SHA256
7f2adaefe06a3147f9893a8880a2631045ee8fe6999f3136871ba96aa9322d2d

SHA512
c58f61284e3d32d9e9bbeb2fc28814245ecf79e84eb3eed7b17c9cb99b2cda15cf0f2d40a29c4651fd4faefcfcd9bd2321615dc43d707641a12d5446bf12f27b

Download Submit
C:\Users\Admin\AppData\Roaming\32555\539C.255

Filesize
600B

MD5
2ef6c19d72700354d3dc2f87d7328d04

SHA1
c2a8af126cdb1d7983e37bb17fb818f1048dce0b

SHA256
6dc46b3bc9531a64cfa73699364a178b810f915a4cf74adeea2cb2fddbc7b3e0

SHA512
9ec26a0e2f27486a592d914949531904eba7f169e1db1ad185538c48710927daf4ddd955cc2b8172d1d25d47dba64d196de41ebbb96faf0328d230a667b14a4b

Download Submit
C:\Users\Admin\AppData\Roaming\32555\539C.255

Filesize
1KB

MD5
ff081e8cc6f6dad3a71b43b56b935d9d

SHA1
77689f87fd400ef60144e7c640fa698a8a4a47eb

SHA256
1dea9c0be74d4c4c0ca95c1be2186762b9d32ec1fbf82f98bcfe307f0c51c93f

SHA512
e11a91d5c8c06edb83311c7551ab40d318449ad974bc8b1307f965dcf09f4cb8af3b8c5dec00ce24da4f4feb3759eb0fd306eefd4de956ed4dfb370339749bcd

Download Submit
memory/628-116-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2724-15-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2724-14-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2724-1-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2724-2-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2724-307-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2724-309-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/4540-13-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/4540-12-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/4540-11-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download

Analysis

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