cycbot | 841ba2abe9ae03a658e08b74802eefaa5d10928954cfca3c3e51ae37a272a185

General

Target

JaffaCakes118_2a70314e3cbe1e0d104b6093737aed3b.exe
Size

188KB
MD5

2a70314e3cbe1e0d104b6093737aed3b
SHA1

434dfaba2abd0549dc36e71d93c94da0362781d3
SHA256

841ba2abe9ae03a658e08b74802eefaa5d10928954cfca3c3e51ae37a272a185
SHA512

c9e1d431d158132907f982fd71e0c5e278c8c0f473c0e940f28d8ed90d1d18af3412db1d903173f8bc8fa9307f43f3dcd06355a1848de3794b8d6e374b2139c2
SSDEEP

3072:y/59Bv2rGJQ1ylz/POFgqJheF46qL3Z3f//OoupzQfl8i9j:y/dvG40xnem6GZfexpM+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/3864-13-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral2/memory/3620-14-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral2/memory/3620-15-0x0000000000400000-0x0000000000452000-memory.dmp	family_cycbot
behavioral2/memory/4548-116-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral2/memory/3620-311-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3620-2-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/3864-12-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/3864-13-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/3620-14-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/3620-15-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral2/memory/4548-116-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/3620-311-0x0000000000400000-0x0000000000455000-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_2a70314e3cbe1e0d104b6093737aed3b.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3620 wrote to memory of 3864	3620	JaffaCakes118_2a70314e3cbe1e0d104b6093737aed3b.exe	84
PID 3620 wrote to memory of 3864	3620	JaffaCakes118_2a70314e3cbe1e0d104b6093737aed3b.exe	84
PID 3620 wrote to memory of 3864	3620	JaffaCakes118_2a70314e3cbe1e0d104b6093737aed3b.exe	84
PID 3620 wrote to memory of 4548	3620	JaffaCakes118_2a70314e3cbe1e0d104b6093737aed3b.exe	87
PID 3620 wrote to memory of 4548	3620	JaffaCakes118_2a70314e3cbe1e0d104b6093737aed3b.exe	87
PID 3620 wrote to memory of 4548	3620	JaffaCakes118_2a70314e3cbe1e0d104b6093737aed3b.exe	87

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2a70314e3cbe1e0d104b6093737aed3b.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2a70314e3cbe1e0d104b6093737aed3b.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3620
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2a70314e3cbe1e0d104b6093737aed3b.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2a70314e3cbe1e0d104b6093737aed3b.exe startC:\Program Files (x86)\LP\E79D\A08.exe%C:\Program Files (x86)\LP\E79D
  2⤵
  PID:3864
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2a70314e3cbe1e0d104b6093737aed3b.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2a70314e3cbe1e0d104b6093737aed3b.exe startC:\Users\Admin\AppData\Roaming\DB6D0\828E7.exe%C:\Users\Admin\AppData\Roaming\DB6D0
  2⤵
  PID:4548

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\DB6D0\02C0.B6D

Filesize
996B

MD5
25a636a6190875b1c6e29548bbd8e2de

SHA1
6fd062f75c86fed0609f649d25118724f04d2899

SHA256
b721ca3ae24634c7401d771b9ee783d790d3fa0542e48af1e277a31a28622b12

SHA512
68040a6f48dfcb4a4e49bccaa4686a2acd3ababa69b76fe3258dbc43ea39bf13dd2b32db04459f33439fc194ef5d60d2b31a7e79b8d592023da322eb8d645498

Download Submit
C:\Users\Admin\AppData\Roaming\DB6D0\02C0.B6D

Filesize
600B

MD5
f4c772ee8297c2a3df3bae2aa6373937

SHA1
597e3cbfef950df2028d3647ca7efe590224b3ac

SHA256
858da5c65be56e4c3983c8b204aa005b73fd909fe4f30cf34bae00620fa813b2

SHA512
75ad21052aef0897b14cd8301bce9ce66e0b72001af13c3f618a1070d8f3a149e93b5906e692a33dd64ca565a7ecae9cd1090093c9d324a0ac3b693a045a938e

Download Submit
C:\Users\Admin\AppData\Roaming\DB6D0\02C0.B6D

Filesize
1KB

MD5
e5037723cfb3cb3d3ee6299988136e60

SHA1
c4a01bc8826adf2569d498c6ff5fea3142cdc1b7

SHA256
5b168b6010e02e6ddd29542fbbadae2e08de06cd8f54734c6531485abb31f567

SHA512
89737e7f0e2bc0107fa642e57f3d49f0640cb43db42916001b88703943680c5c931b9a0407ae3cb17edfb154b95a988905a1b940ee6382d36b9fa3f7c0a6dfb8

Download Submit
memory/3620-1-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/3620-2-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/3620-14-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/3620-15-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/3620-311-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/3864-11-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/3864-12-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/3864-13-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/4548-116-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download

Analysis

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