cycbot | 284924073f5af263a4c912c08509d4dfcf57212d86523d67fbd6c8af84c62e89

General

Target

JaffaCakes118_6208fcb3770c2757f15c796fab390fff.exe
Size

186KB
MD5

6208fcb3770c2757f15c796fab390fff
SHA1

60804cd67043142fe55dfc084a435422d2e89531
SHA256

284924073f5af263a4c912c08509d4dfcf57212d86523d67fbd6c8af84c62e89
SHA512

dafaa4aaaf6abb6cd5a2281d5c8d51957cf622ef91e8c057754f9d7e017af82dbebeea6cd99201f19f05a4207b1fd6437b7e06f5ed9aaa322dc9242424c04e31
SSDEEP

3072:e6QEOCDJD/sESf5SnjMHvgfGZ0BTC4RF9PSjy86tGdiVqFN8vyXjI0O0Z7Q4sOsq:JdOUD1DMgk4RFqT60duqFNyiI7AM4HGP

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/2068-13-0x0000000000400000-0x0000000000454000-memory.dmp	family_cycbot
behavioral1/memory/2504-14-0x0000000000400000-0x0000000000454000-memory.dmp	family_cycbot
behavioral1/memory/2504-15-0x0000000000400000-0x0000000000452000-memory.dmp	family_cycbot
behavioral1/memory/1716-133-0x0000000000400000-0x0000000000454000-memory.dmp	family_cycbot
behavioral1/memory/2504-272-0x0000000000400000-0x0000000000454000-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 8 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2504-2-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/2068-12-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/2068-11-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/2068-13-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/2504-14-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/2504-15-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral1/memory/1716-133-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/2504-272-0x0000000000400000-0x0000000000454000-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_6208fcb3770c2757f15c796fab390fff.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_6208fcb3770c2757f15c796fab390fff.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_6208fcb3770c2757f15c796fab390fff.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2504 wrote to memory of 2068	2504	JaffaCakes118_6208fcb3770c2757f15c796fab390fff.exe	30
PID 2504 wrote to memory of 2068	2504	JaffaCakes118_6208fcb3770c2757f15c796fab390fff.exe	30
PID 2504 wrote to memory of 2068	2504	JaffaCakes118_6208fcb3770c2757f15c796fab390fff.exe	30
PID 2504 wrote to memory of 2068	2504	JaffaCakes118_6208fcb3770c2757f15c796fab390fff.exe	30
PID 2504 wrote to memory of 1716	2504	JaffaCakes118_6208fcb3770c2757f15c796fab390fff.exe	33
PID 2504 wrote to memory of 1716	2504	JaffaCakes118_6208fcb3770c2757f15c796fab390fff.exe	33
PID 2504 wrote to memory of 1716	2504	JaffaCakes118_6208fcb3770c2757f15c796fab390fff.exe	33
PID 2504 wrote to memory of 1716	2504	JaffaCakes118_6208fcb3770c2757f15c796fab390fff.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6208fcb3770c2757f15c796fab390fff.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6208fcb3770c2757f15c796fab390fff.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2504
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6208fcb3770c2757f15c796fab390fff.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6208fcb3770c2757f15c796fab390fff.exe startC:\Program Files (x86)\LP\26F1\C98.exe%C:\Program Files (x86)\LP\26F1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2068
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6208fcb3770c2757f15c796fab390fff.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6208fcb3770c2757f15c796fab390fff.exe startC:\Users\Admin\AppData\Roaming\19273\DC526.exe%C:\Users\Admin\AppData\Roaming\19273
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1716

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\19273\3A41.927

Filesize
996B

MD5
3698d6402fc36310471837babe5eacda

SHA1
6400f1eec5574fdd89d38ae6b60c1e544cabeb6c

SHA256
e3c36f5d2850e84a54fbb05ed32a8d19984faeb12e70dc41e9b64d8a13c1164f

SHA512
85235cba65fb291196a2f0eae86417341b706eceace7d17553e40e460de7c0e9a93faf42e12856cb7e8658dfd08c0845a65759e786f69f77f0364ba928c1f547

Download Submit
C:\Users\Admin\AppData\Roaming\19273\3A41.927

Filesize
600B

MD5
a333793d85b23a2fbc723de76c91d5dd

SHA1
58a652a828955a6de4e29d801ff3eb70bec5475f

SHA256
61c48c68f5922e62e82178ef21a7fdfa4c6b88ab4c63e1d31acb8c43c092eccf

SHA512
5c3748693380a2a9dae5fc959c2c026260db246a22b46f56a1faab97f56c3fff8f70e79327f254ee115bd76bcd875eac43c7ae6d3de974870b06c411df9b0b64

Download Submit
C:\Users\Admin\AppData\Roaming\19273\3A41.927

Filesize
1KB

MD5
a4af63e9494c1674a488ddfa9230ae83

SHA1
ff83174ab36d978e103d4759ca495919f5caa9bc

SHA256
e403f56c1033e3e3f359573254fafa9a0d9aa647aeec61ad7870c56ccf0d222f

SHA512
bcc33f00ec6a4ad6dae005268b4f2252c797f048a87dd65c39649f78a813629548eed28d251410bed159a5e01bca9db03e3e2e4ea82d06b3c0be9d2b3b53aa6a

Download Submit
memory/1716-133-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1716-132-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2068-11-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2068-13-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2068-12-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2504-15-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2504-14-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2504-1-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2504-2-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2504-272-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download

Analysis

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