cycbot | 278f84565d879538acce3295e0257515ec856ebba85cc5aade3ec6b8c4f09230

General

Target

JaffaCakes118_7d54f09d2cd3220d3794dc738fbde3ae.exe
Size

180KB
MD5

7d54f09d2cd3220d3794dc738fbde3ae
SHA1

130a3e621f60338da373d8dc2b812a4bd938113d
SHA256

278f84565d879538acce3295e0257515ec856ebba85cc5aade3ec6b8c4f09230
SHA512

0132849efe2008610130ff75258661f6a10b5babdb796558c309a215cb2b61467efd7dc672e9b1d4925d37bb3305e2cd6215bef39000c58dd0823c825a5f8b35
SSDEEP

3072:e/oHwqvsl1URuMthYIM2EfqsftIYkGJIurF0eTuVSPChNUmt+QYCZ5RsuT/:e/C0l14uS3ofJIurF0VVSKzUmt+hikur

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/3036-20-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/2348-21-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/2348-22-0x0000000000400000-0x0000000000452000-memory.dmp	family_cycbot
behavioral1/memory/2436-116-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/2348-291-0x0000000000400000-0x0000000000455000-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 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2348-3-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/3036-18-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/3036-20-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2348-21-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2348-22-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral1/memory/2436-116-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2348-291-0x0000000000400000-0x0000000000455000-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_7d54f09d2cd3220d3794dc738fbde3ae.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_7d54f09d2cd3220d3794dc738fbde3ae.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_7d54f09d2cd3220d3794dc738fbde3ae.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2348 wrote to memory of 3036	2348	JaffaCakes118_7d54f09d2cd3220d3794dc738fbde3ae.exe	30
PID 2348 wrote to memory of 3036	2348	JaffaCakes118_7d54f09d2cd3220d3794dc738fbde3ae.exe	30
PID 2348 wrote to memory of 3036	2348	JaffaCakes118_7d54f09d2cd3220d3794dc738fbde3ae.exe	30
PID 2348 wrote to memory of 3036	2348	JaffaCakes118_7d54f09d2cd3220d3794dc738fbde3ae.exe	30
PID 2348 wrote to memory of 2436	2348	JaffaCakes118_7d54f09d2cd3220d3794dc738fbde3ae.exe	33
PID 2348 wrote to memory of 2436	2348	JaffaCakes118_7d54f09d2cd3220d3794dc738fbde3ae.exe	33
PID 2348 wrote to memory of 2436	2348	JaffaCakes118_7d54f09d2cd3220d3794dc738fbde3ae.exe	33
PID 2348 wrote to memory of 2436	2348	JaffaCakes118_7d54f09d2cd3220d3794dc738fbde3ae.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7d54f09d2cd3220d3794dc738fbde3ae.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7d54f09d2cd3220d3794dc738fbde3ae.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2348
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7d54f09d2cd3220d3794dc738fbde3ae.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7d54f09d2cd3220d3794dc738fbde3ae.exe startC:\Program Files (x86)\LP\9A6F\EB5.exe%C:\Program Files (x86)\LP\9A6F
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3036
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7d54f09d2cd3220d3794dc738fbde3ae.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7d54f09d2cd3220d3794dc738fbde3ae.exe startC:\Users\Admin\AppData\Roaming\F18C9\37C9A.exe%C:\Users\Admin\AppData\Roaming\F18C9
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2436

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\F18C9\9461.18C

Filesize
597B

MD5
692b5c472c22a2d46aa07fa10f419f21

SHA1
715863f87e2d73ef3abf6a8ef4042675906a7ac7

SHA256
20f20a820db2efae6c8e29605f0f616f3c8d1cd7ece6ddc24124e674fffa4f22

SHA512
314e1cd93a74186302cb18f2a036f68a5f874033518e30c2b720a46f1b71a37283e2ee6374325134aa439cf96d41144c3efa74910a5756df1a14f577d80a2f0e

Download Submit
C:\Users\Admin\AppData\Roaming\F18C9\9461.18C

Filesize
1KB

MD5
97c4ea64622a6faafe9af6d138462c3d

SHA1
70df9a2a35109d5731fc4663691a2ea5e90cf0e9

SHA256
7f8b0659e856d505cc438573d4e209541b49ec0d64112ee34f810e3844f8b4f2

SHA512
902628650be7758585f1aa383e05371f83d4c5e51aaca43dea68f81fd253126d89f01d59bd8e5d011327963279faa29afe48badb44b2e46cd6916d6ff34ac928

Download Submit
C:\Users\Admin\AppData\Roaming\F18C9\9461.18C

Filesize
1KB

MD5
50033e26ea510dc8e00992874dad0a85

SHA1
66f877f38b6f10997a58f749da4f785be3c75118

SHA256
caab21f5bd01b61fb4f768d8bc844e147ecf4ca3060db48c82ac9d80946be3b2

SHA512
f4fdf8d3ebca735d6c8a4c6721851b077c7f23afccd3b46a69f27822f19debf72698b4f7e329fddd619a2e3ce5e8be42e259250568185517bca2fb6419aa0c19

Download Submit
C:\Users\Admin\AppData\Roaming\F18C9\9461.18C

Filesize
897B

MD5
78ee08d79e31dace38fedabf0e83b672

SHA1
fab6d771c0f2cb9d7d4a22e491225f74e6b8bf9e

SHA256
08e92b961481a3acd6c292241c2a7e548a107aa5264dc898079b7fb15d28c3b7

SHA512
ff0fe8ed2f6cc86b1f90910e35f8d48766307fa4e6434e471f2a1cfa7a09f79778258148da531c9b099e0f17f1b1866e7e1841fcd2d781c18a8cd6cfb1bfb9d5

Download Submit
memory/2348-21-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2348-0-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2348-22-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2348-3-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2348-2-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2348-291-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2436-116-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/3036-20-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/3036-18-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download

Analysis

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