cycbot | a7e6771ce3b4533578d3dbd33bd4ca06883ac83db2ac84d3fdd308d54ba1e20e

General

Target

JaffaCakes118_20fa8806d71bb47534851ad90d066a87.exe
Size

190KB
MD5

20fa8806d71bb47534851ad90d066a87
SHA1

e4b5adb63d2d2ba0eaa0ee01b38c711f69bc4698
SHA256

a7e6771ce3b4533578d3dbd33bd4ca06883ac83db2ac84d3fdd308d54ba1e20e
SHA512

fd14aca71dacd071a64552e7e37a75a10d301417ee6ad43a301fba06c3d8ebdc24d655ee3386f0650261b9f3f8c937bd10bd9705a56f946bbd7b675360dbf085
SSDEEP

3072:zds97MlKGzeEHJX7MTvQ6MDRmKuK7kJUV5Ed4DPHjHq0IzUlj/THWRWrQ3691QKv:+CRXpX7jv7eQ5Ed8HO0uUduW9LQKn/Eo

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/1864-6-0x0000000000400000-0x0000000000447000-memory.dmp	family_cycbot
behavioral1/memory/2532-13-0x0000000000400000-0x0000000000447000-memory.dmp	family_cycbot
behavioral1/memory/2236-75-0x0000000000400000-0x0000000000447000-memory.dmp	family_cycbot
behavioral1/memory/2532-169-0x0000000000400000-0x0000000000447000-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/2532-2-0x0000000000400000-0x0000000000447000-memory.dmp	upx
behavioral1/memory/1864-5-0x0000000000400000-0x0000000000447000-memory.dmp	upx
behavioral1/memory/1864-6-0x0000000000400000-0x0000000000447000-memory.dmp	upx
behavioral1/memory/2532-13-0x0000000000400000-0x0000000000447000-memory.dmp	upx
behavioral1/memory/2236-73-0x0000000000400000-0x0000000000447000-memory.dmp	upx
behavioral1/memory/2236-75-0x0000000000400000-0x0000000000447000-memory.dmp	upx
behavioral1/memory/2532-169-0x0000000000400000-0x0000000000447000-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_20fa8806d71bb47534851ad90d066a87.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_20fa8806d71bb47534851ad90d066a87.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_20fa8806d71bb47534851ad90d066a87.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2532 wrote to memory of 1864	2532	JaffaCakes118_20fa8806d71bb47534851ad90d066a87.exe	30
PID 2532 wrote to memory of 1864	2532	JaffaCakes118_20fa8806d71bb47534851ad90d066a87.exe	30
PID 2532 wrote to memory of 1864	2532	JaffaCakes118_20fa8806d71bb47534851ad90d066a87.exe	30
PID 2532 wrote to memory of 1864	2532	JaffaCakes118_20fa8806d71bb47534851ad90d066a87.exe	30
PID 2532 wrote to memory of 2236	2532	JaffaCakes118_20fa8806d71bb47534851ad90d066a87.exe	33
PID 2532 wrote to memory of 2236	2532	JaffaCakes118_20fa8806d71bb47534851ad90d066a87.exe	33
PID 2532 wrote to memory of 2236	2532	JaffaCakes118_20fa8806d71bb47534851ad90d066a87.exe	33
PID 2532 wrote to memory of 2236	2532	JaffaCakes118_20fa8806d71bb47534851ad90d066a87.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_20fa8806d71bb47534851ad90d066a87.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_20fa8806d71bb47534851ad90d066a87.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2532
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_20fa8806d71bb47534851ad90d066a87.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_20fa8806d71bb47534851ad90d066a87.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1864
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_20fa8806d71bb47534851ad90d066a87.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_20fa8806d71bb47534851ad90d066a87.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2236

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\C225.688

Filesize
1KB

MD5
704ed3de39111ba423798ec414ac78b1

SHA1
8e4805abe460c8e0bbfc580a06ac921faea4ec39

SHA256
5b4eaae06a9e2c9cb0144280d2aea79ac9dd59081b8a28bb113eddf630120fcc

SHA512
c51fdc71f09eac268566644352385e8d2913e347200b5596b1104623216d6f0b1d8bd477edffd7f36a4e91d6c71ebc491b33982378dd58e9c8b98d48d236bb01

Download Submit
C:\Users\Admin\AppData\Roaming\C225.688

Filesize
600B

MD5
a8e36aafe28eb7cbe0611e489f704a39

SHA1
4bbf386245f7e6cf171e5e888ca1cc0881b7b0df

SHA256
55be753b2b370b806b45e627e6427aa8da1f27e73b1ae824e33e26523c500c4c

SHA512
ed14dc9c5417a30a4922c2246c7c0ebb849d1057fc48cc6572d9f75f13a9dbdb42baa117f04ab2a64088a72028c9b0282762b9db23a77f3c99ce1b7cf6450c10

Download Submit
C:\Users\Admin\AppData\Roaming\C225.688

Filesize
996B

MD5
21d73e48ee722bbcf015e09c6f1bb85e

SHA1
d47450bd962e5e98b345a955adf7140b0c9ea3dd

SHA256
88de226291e200d3dd5ba2de5b7afe7dee39e531e438664a241b73ef92bf11fe

SHA512
812c3b1796e9c89b9c34f75700e6170c41172784f1685cc6b1bf2c8be6100f4642b00df9c4887645e8225a9afc4a50fd91e374ad5513394a84e84abc735314da

Download Submit
memory/1864-5-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download
memory/1864-6-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download
memory/2236-73-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download
memory/2236-75-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download
memory/2532-1-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download
memory/2532-2-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download
memory/2532-13-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download
memory/2532-169-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download

Analysis

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