cycbot | adf97f7bdffcb4e2a36ab6996533b3f175bf85203cd414ef39e100fff5ae7c15

General

Target

JaffaCakes118_4d4b1bc9e686d0416d836dfaa3875b4f.exe
Size

188KB
MD5

4d4b1bc9e686d0416d836dfaa3875b4f
SHA1

cd4d74c72dec4cdc3e820d9880b6aff3bd077cab
SHA256

adf97f7bdffcb4e2a36ab6996533b3f175bf85203cd414ef39e100fff5ae7c15
SHA512

27c1ea6dc34c7f74ebe5d8991b478dc184f7ff1dbe489db3df02c7b49fa36e0922f27db2fe380e9499a9e3683bdc9473ca18d34717156460dbe1114cbfa59b52
SSDEEP

3072:y/59Bv2ruJQ1ylz/POFgqJheF46qL3Z3f//OoupzQfl8i9j:y/dvGg0xnem6GZfexpM+u

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 5 IoCs

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

resource	yara_rule
behavioral2/memory/4484-13-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral2/memory/2928-15-0x0000000000400000-0x0000000000452000-memory.dmp	family_cycbot
behavioral2/memory/2928-14-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral2/memory/1424-117-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral2/memory/2928-264-0x0000000000400000-0x0000000000455000-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/2928-2-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/4484-12-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/4484-13-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/2928-15-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral2/memory/2928-14-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/1424-116-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/1424-117-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/2928-264-0x0000000000400000-0x0000000000455000-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_4d4b1bc9e686d0416d836dfaa3875b4f.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2928 wrote to memory of 4484	2928	JaffaCakes118_4d4b1bc9e686d0416d836dfaa3875b4f.exe	86
PID 2928 wrote to memory of 4484	2928	JaffaCakes118_4d4b1bc9e686d0416d836dfaa3875b4f.exe	86
PID 2928 wrote to memory of 4484	2928	JaffaCakes118_4d4b1bc9e686d0416d836dfaa3875b4f.exe	86
PID 2928 wrote to memory of 1424	2928	JaffaCakes118_4d4b1bc9e686d0416d836dfaa3875b4f.exe	87
PID 2928 wrote to memory of 1424	2928	JaffaCakes118_4d4b1bc9e686d0416d836dfaa3875b4f.exe	87
PID 2928 wrote to memory of 1424	2928	JaffaCakes118_4d4b1bc9e686d0416d836dfaa3875b4f.exe	87

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4d4b1bc9e686d0416d836dfaa3875b4f.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4d4b1bc9e686d0416d836dfaa3875b4f.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2928
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4d4b1bc9e686d0416d836dfaa3875b4f.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4d4b1bc9e686d0416d836dfaa3875b4f.exe startC:\Program Files (x86)\LP\DDF4\317.exe%C:\Program Files (x86)\LP\DDF4
  2⤵
  PID:4484
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4d4b1bc9e686d0416d836dfaa3875b4f.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4d4b1bc9e686d0416d836dfaa3875b4f.exe startC:\Users\Admin\AppData\Roaming\421B3\846DD.exe%C:\Users\Admin\AppData\Roaming\421B3
  2⤵
  PID:1424

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\421B3\3712.21B

Filesize
996B

MD5
4c84859edde00bc87b9c0ccf487f13ee

SHA1
54df1abfe209c646801f47a3b3bf90b35756f0f7

SHA256
c39df60fb5335812d521c008832f5e55e8c9beb5c1a6b56af1899ebf7507450c

SHA512
58c5f7f404f514ca2a86f6ca5fc244d0590ceb6ecdfe2f7b2ab7888b92cb78b24209d6dbb1fdbad40675cc107fb93220b866647514c7f29fbe8609dd4cd68c08

Download Submit
C:\Users\Admin\AppData\Roaming\421B3\3712.21B

Filesize
600B

MD5
aacb54a1b7f32b510fc184fc03525b18

SHA1
a67ec1ade676148135825360229d246f06b536a3

SHA256
2bf62549654bc9645f4dcb3ebc0021561a90136273a8e398d31074713b6add1f

SHA512
14468ce626badcb8dfb68a76b49ac26e9634857b6cf12b82afb16f08e27cfbc8f9ec3049d1786cdde0dd8951c502ecd70548517ba6146edb3ebdbfa527e0bb34

Download Submit
C:\Users\Admin\AppData\Roaming\421B3\3712.21B

Filesize
1KB

MD5
a94282eab93c55184d9b6f5bc77a1007

SHA1
0cf6984961ecef61273e1999eac77220a97acdf3

SHA256
77afc2b23b12dc1102649082a9e276b3e454399d84b7904fec10db5ba22996af

SHA512
a034238c804a668b4e99b6ea7b2026f872a29f59ed58ab1c477076b7616fb48630a6cc2903051e55a80e08c00abe920d27ce3919cef47f37bd7490ce1ee7b7e2

Download Submit
memory/1424-117-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/1424-116-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2928-14-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2928-1-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2928-15-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2928-2-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2928-264-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/4484-13-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/4484-11-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/4484-12-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download

Analysis

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