cycbot | 47e8f2485bda23ae2fa374483d25e5290de3e723d6235028c119acb511d7ea72

General

Target

f5133b2fb0c4115743b3b6fed50ea453_JaffaCakes118.exe
Size

162KB
MD5

f5133b2fb0c4115743b3b6fed50ea453
SHA1

4ad98c7e348cdf89859fc5037d1a08ed969e651e
SHA256

47e8f2485bda23ae2fa374483d25e5290de3e723d6235028c119acb511d7ea72
SHA512

0f95ca06cf1f70721f313cf5d4c2970b2c507166885fcdf90737f5996b2355bcc2d3e4fc130d12eef459ab987f041a9cc4e00daf845a5b04fc2f69c1bbb1de3d
SSDEEP

3072:mBY2XOIO4oAs1q2qxynxne+BdO2uPTpyOXbITcuHuOlHgKBF4EmXJIIE2n:mB/OU41USxnb1uLpy6bIcuFneIIE

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 4 IoCs

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

resource	yara_rule
behavioral1/memory/3064-7-0x0000000000400000-0x0000000000468000-memory.dmp	family_cycbot
behavioral1/memory/2068-15-0x0000000000400000-0x0000000000468000-memory.dmp	family_cycbot
behavioral1/memory/2356-82-0x0000000000400000-0x0000000000468000-memory.dmp	family_cycbot
behavioral1/memory/2068-191-0x0000000000400000-0x0000000000468000-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/2068-2-0x0000000000400000-0x0000000000468000-memory.dmp	upx
behavioral1/memory/3064-5-0x0000000000400000-0x0000000000468000-memory.dmp	upx
behavioral1/memory/3064-7-0x0000000000400000-0x0000000000468000-memory.dmp	upx
behavioral1/memory/2068-15-0x0000000000400000-0x0000000000468000-memory.dmp	upx
behavioral1/memory/2356-82-0x0000000000400000-0x0000000000468000-memory.dmp	upx
behavioral1/memory/2356-80-0x0000000000400000-0x0000000000468000-memory.dmp	upx
behavioral1/memory/2068-191-0x0000000000400000-0x0000000000468000-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	f5133b2fb0c4115743b3b6fed50ea453_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f5133b2fb0c4115743b3b6fed50ea453_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f5133b2fb0c4115743b3b6fed50ea453_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2068 wrote to memory of 3064	2068	f5133b2fb0c4115743b3b6fed50ea453_JaffaCakes118.exe	30
PID 2068 wrote to memory of 3064	2068	f5133b2fb0c4115743b3b6fed50ea453_JaffaCakes118.exe	30
PID 2068 wrote to memory of 3064	2068	f5133b2fb0c4115743b3b6fed50ea453_JaffaCakes118.exe	30
PID 2068 wrote to memory of 3064	2068	f5133b2fb0c4115743b3b6fed50ea453_JaffaCakes118.exe	30
PID 2068 wrote to memory of 2356	2068	f5133b2fb0c4115743b3b6fed50ea453_JaffaCakes118.exe	33
PID 2068 wrote to memory of 2356	2068	f5133b2fb0c4115743b3b6fed50ea453_JaffaCakes118.exe	33
PID 2068 wrote to memory of 2356	2068	f5133b2fb0c4115743b3b6fed50ea453_JaffaCakes118.exe	33
PID 2068 wrote to memory of 2356	2068	f5133b2fb0c4115743b3b6fed50ea453_JaffaCakes118.exe	33

C:\Users\Admin\AppData\Local\Temp\f5133b2fb0c4115743b3b6fed50ea453_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f5133b2fb0c4115743b3b6fed50ea453_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2068
- C:\Users\Admin\AppData\Local\Temp\f5133b2fb0c4115743b3b6fed50ea453_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\f5133b2fb0c4115743b3b6fed50ea453_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3064
- C:\Users\Admin\AppData\Local\Temp\f5133b2fb0c4115743b3b6fed50ea453_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\f5133b2fb0c4115743b3b6fed50ea453_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2356

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\005A.25A

Filesize
1KB

MD5
cf20e5b395cdddac300d3417f96ed618

SHA1
04a86f612c0c737c7bbdadd471121dd8f829630b

SHA256
9a0e06fb779c3a124e9ae57298aee4c86cc7e4c4d26a9fd3a7ab445bc1f1ae0d

SHA512
2bf957f4f341a595e0e32bebeb25878adb911c8acaf5c38157d7869cec8ea089e3c7b1b9f395df3a8a0db40cdfbeea6eb8e33935ef7eb264361064bf6f9d8d13

Download Submit
C:\Users\Admin\AppData\Roaming\005A.25A

Filesize
600B

MD5
ad34bcf3571a102f7c1ae003081f4495

SHA1
1ea650e6206e3a46bf0e60124b4d0904a5ae0bb8

SHA256
089ca3d1892166a043e651cd6df9450ac7cef2eec2f00553295ac03f6f3be965

SHA512
19d14887a1555f8da734b87a78711a87fa728904d712911640c036b1f7f94a1bd9cfa13b11ac32a21df152ed5ff88c797b0e05c71faf8fabb5fdda6fec4f8c94

Download Submit
C:\Users\Admin\AppData\Roaming\005A.25A

Filesize
996B

MD5
aeff84a690c88b2342d685d79ac2605e

SHA1
bc980eb78087df996fd67bbcfb61cb25cd623bfb

SHA256
22db170d00c7114b6b9679d5b48389083ae73f65860e9b6c965a9d2093b723ab

SHA512
a823d9f55eda8ece03f2f15b47337a3da6edffef5937c411213fc11cf91385fbf0ea6233966ed80415e8de957baa9a99982cc033f5f37b216cf0d6bf1827f1a0

Download Submit
memory/2068-1-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/2068-2-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/2068-15-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/2068-191-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/2356-82-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/2356-80-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/3064-5-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/3064-7-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download

Analysis

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