cycbot | c152951274e3afead9c3766152fad0b25bc5f76e62d29d637bb41148d27c204b

General

Target

e7d4f7e15dbb9fbf88cb8c57a190776e_JaffaCakes118.exe
Size

197KB
MD5

e7d4f7e15dbb9fbf88cb8c57a190776e
SHA1

ba0c4677e378c7665288268625d14e11ead9b104
SHA256

c152951274e3afead9c3766152fad0b25bc5f76e62d29d637bb41148d27c204b
SHA512

edb1b659ac146840e8cde4c8adaab1b20e24250c2f4953508b14a46787fc74a9f0773ae0bfcbacc5abb81635cf725599d16a8976e0b875723284414062f0b83c
SSDEEP

6144:5tE4PmN/zlkOk1KkMzT2rd/4a4sLqwrZft1jCVsvG:5f6mJ4S/Jqwdft4Wv

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/2388-5-0x0000000000400000-0x000000000046B000-memory.dmp	family_cycbot
behavioral1/memory/2916-13-0x0000000000400000-0x000000000046B000-memory.dmp	family_cycbot
behavioral1/memory/1724-80-0x0000000000400000-0x000000000046B000-memory.dmp	family_cycbot
behavioral1/memory/2916-183-0x0000000000400000-0x000000000046B000-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 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2916-2-0x0000000000400000-0x000000000046B000-memory.dmp	upx
behavioral1/memory/2388-5-0x0000000000400000-0x000000000046B000-memory.dmp	upx
behavioral1/memory/2916-13-0x0000000000400000-0x000000000046B000-memory.dmp	upx
behavioral1/memory/1724-80-0x0000000000400000-0x000000000046B000-memory.dmp	upx
behavioral1/memory/2916-183-0x0000000000400000-0x000000000046B000-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	e7d4f7e15dbb9fbf88cb8c57a190776e_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e7d4f7e15dbb9fbf88cb8c57a190776e_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e7d4f7e15dbb9fbf88cb8c57a190776e_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2916 wrote to memory of 2388	2916	e7d4f7e15dbb9fbf88cb8c57a190776e_JaffaCakes118.exe	30
PID 2916 wrote to memory of 2388	2916	e7d4f7e15dbb9fbf88cb8c57a190776e_JaffaCakes118.exe	30
PID 2916 wrote to memory of 2388	2916	e7d4f7e15dbb9fbf88cb8c57a190776e_JaffaCakes118.exe	30
PID 2916 wrote to memory of 2388	2916	e7d4f7e15dbb9fbf88cb8c57a190776e_JaffaCakes118.exe	30
PID 2916 wrote to memory of 1724	2916	e7d4f7e15dbb9fbf88cb8c57a190776e_JaffaCakes118.exe	33
PID 2916 wrote to memory of 1724	2916	e7d4f7e15dbb9fbf88cb8c57a190776e_JaffaCakes118.exe	33
PID 2916 wrote to memory of 1724	2916	e7d4f7e15dbb9fbf88cb8c57a190776e_JaffaCakes118.exe	33
PID 2916 wrote to memory of 1724	2916	e7d4f7e15dbb9fbf88cb8c57a190776e_JaffaCakes118.exe	33

C:\Users\Admin\AppData\Local\Temp\e7d4f7e15dbb9fbf88cb8c57a190776e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e7d4f7e15dbb9fbf88cb8c57a190776e_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2916
- C:\Users\Admin\AppData\Local\Temp\e7d4f7e15dbb9fbf88cb8c57a190776e_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\e7d4f7e15dbb9fbf88cb8c57a190776e_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2388
- C:\Users\Admin\AppData\Local\Temp\e7d4f7e15dbb9fbf88cb8c57a190776e_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\e7d4f7e15dbb9fbf88cb8c57a190776e_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1724

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\5B98.105

Filesize
1KB

MD5
d0d2f9cc60c990270919fb3775ee3541

SHA1
496926686973f998b822aa2640488e19231dd946

SHA256
d7eb7401d836c051c5434e1ce9642ee055e4a38654bad47c6e919815dd96da5f

SHA512
367d2bd53327af6395f3b4b28809f98871aec93630a10f8c8aaab8629b6c24e9a1ea924030665ff318e21dbd34442d06d4d452be5a8984a118da0421fc789a70

Download Submit
C:\Users\Admin\AppData\Roaming\5B98.105

Filesize
600B

MD5
d096f34891402462a5472ef38000932c

SHA1
a52cdebbc3bdf39fc39c039b4a7e6c9223b97060

SHA256
84494b2a7c44f51d7832bddf7e09416fc6e649ca0b9e10ebabdcd880cda5412e

SHA512
06a62ebc1f05cd3f5009ef282314ae11e689b4c1c0aa6370a04af58b9deeae4334c66b7e3e2f9f9fb02f804e0aaec6e6ef76bbb175fb8d7c397c5691759705c8

Download Submit
C:\Users\Admin\AppData\Roaming\5B98.105

Filesize
996B

MD5
075fbca017423edf4a9cb7c64c867399

SHA1
f233f8dfcbdd0455461bd9c6fb3657c0a37e6f88

SHA256
119556008d9f99e3ecbbe490128917bcff2034bff05a9319202ea081f049973b

SHA512
23c9c64b4976de0b27edf08f0aa89a5dbde4d4fc4e4ad10675733fcf5f20f25d753b12dec5faee7fd97bfd8b49635c0fc1e93579389fb1915fc47b17cb90dca5

Download Submit
memory/1724-80-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/2388-5-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/2916-1-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/2916-2-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/2916-13-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/2916-183-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download

Analysis

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