cycbot | 6f6fdec642ec337eeec0531766855e454f3ecc71167b80502938e403ef4433ac

General

Target

JaffaCakes118_e23dc3a1f8c8825beb26da84155d95a5.exe
Size

174KB
MD5

e23dc3a1f8c8825beb26da84155d95a5
SHA1

5c5747be237baad84de70ba1be201d475126b0e0
SHA256

6f6fdec642ec337eeec0531766855e454f3ecc71167b80502938e403ef4433ac
SHA512

0f19304f095720144747a6187a86c2bc1060eed667c4a0bcb31db6bf96fdfb93e886119b303c88d80ce7e55e3838e02f64f1365bae1ead19f26607d9952a384a
SSDEEP

3072:UrfYzwsdSeS76dcTCJucnLn3i7NLJiRZEKSnbh8TNsWX+HA4yqm:5zwj77zaS71M2nKsWXrp

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/2116-13-0x0000000000400000-0x0000000000456000-memory.dmp	family_cycbot
behavioral1/memory/1804-14-0x0000000000400000-0x0000000000456000-memory.dmp	family_cycbot
behavioral1/memory/1804-15-0x0000000000400000-0x0000000000453000-memory.dmp	family_cycbot
behavioral1/memory/2012-81-0x0000000000400000-0x0000000000456000-memory.dmp	family_cycbot
behavioral1/memory/1804-182-0x0000000000400000-0x0000000000456000-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/1804-2-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/2116-12-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/2116-13-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/1804-14-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/1804-15-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2012-81-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/2012-80-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/1804-182-0x0000000000400000-0x0000000000456000-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_e23dc3a1f8c8825beb26da84155d95a5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_e23dc3a1f8c8825beb26da84155d95a5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_e23dc3a1f8c8825beb26da84155d95a5.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1804 wrote to memory of 2116	1804	JaffaCakes118_e23dc3a1f8c8825beb26da84155d95a5.exe	30
PID 1804 wrote to memory of 2116	1804	JaffaCakes118_e23dc3a1f8c8825beb26da84155d95a5.exe	30
PID 1804 wrote to memory of 2116	1804	JaffaCakes118_e23dc3a1f8c8825beb26da84155d95a5.exe	30
PID 1804 wrote to memory of 2116	1804	JaffaCakes118_e23dc3a1f8c8825beb26da84155d95a5.exe	30
PID 1804 wrote to memory of 2012	1804	JaffaCakes118_e23dc3a1f8c8825beb26da84155d95a5.exe	33
PID 1804 wrote to memory of 2012	1804	JaffaCakes118_e23dc3a1f8c8825beb26da84155d95a5.exe	33
PID 1804 wrote to memory of 2012	1804	JaffaCakes118_e23dc3a1f8c8825beb26da84155d95a5.exe	33
PID 1804 wrote to memory of 2012	1804	JaffaCakes118_e23dc3a1f8c8825beb26da84155d95a5.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e23dc3a1f8c8825beb26da84155d95a5.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e23dc3a1f8c8825beb26da84155d95a5.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1804
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e23dc3a1f8c8825beb26da84155d95a5.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e23dc3a1f8c8825beb26da84155d95a5.exe startC:\Program Files (x86)\LP\231E\933.exe%C:\Program Files (x86)\LP\231E
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2116
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e23dc3a1f8c8825beb26da84155d95a5.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e23dc3a1f8c8825beb26da84155d95a5.exe startC:\Users\Admin\AppData\Roaming\E247D\E4023.exe%C:\Users\Admin\AppData\Roaming\E247D
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2012

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\E247D\DED6.247

Filesize
1KB

MD5
0d377b615278fbcd791ffea33bcad6e4

SHA1
a8d11c285ea5b9b71f4ea9a4e11fbbaf1e5fa1b1

SHA256
30a4e0d1c5c404356db4975dee7081b60b763681e40aa13bc0990691f3a09934

SHA512
daaf827d67a58307a60512fb2408dfe82e3a52077a59b2b91069b447ccffbdd57d020b9cc32da2ebdbdd4fd5e63552200d60689fe63974c982ac5f168e791529

Download Submit
C:\Users\Admin\AppData\Roaming\E247D\DED6.247

Filesize
600B

MD5
1e120ba00858b6f1a3425da2d4359621

SHA1
ebb551543a18c3ffc21a10025e4e7f40b1096d5c

SHA256
b175821c43954bff27b2036f2b0b83fc9a7a6a0196346c7944f07bee54922ee8

SHA512
3a7a8e50e03c8eb365b16c8e3611c7ceec8a41d5986bbc46e764145d40361cc727706e6986da7bc94b77bed396ded18d2bd91fc5f6a05c7208b22caf25d50ec9

Download Submit
C:\Users\Admin\AppData\Roaming\E247D\DED6.247

Filesize
996B

MD5
d7488e420aeb44aec09111cbd62ddf83

SHA1
a0b00ee454619ad33a61d4aa7983f40b59c8ba36

SHA256
a629210d4936a7f5f720055c657bf4946159f04a49cf041e92429c73ee62c187

SHA512
271041756084b61de9eefeaa1257f47dc393ce35ed8323cd3df194103acb8e61d2c0d93b163af22e7ce1ba90eeb4edaa1a1920b6f1b262a93943c070438cfb1b

Download Submit
memory/1804-1-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1804-2-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/1804-182-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/1804-14-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/1804-15-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2012-80-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/2012-81-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/2116-13-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/2116-11-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/2116-12-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download

Analysis

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