cycbot | 862a5b766c2441711a4234ce484686232b7e2603d19acbc1ba78cba59209e18b

General

Target

e31365389f5f5e141fb10ce51a6ffa52_JaffaCakes118.exe
Size

189KB
MD5

e31365389f5f5e141fb10ce51a6ffa52
SHA1

5e1ea0e56b37258753beb96c08b6c41600a61150
SHA256

862a5b766c2441711a4234ce484686232b7e2603d19acbc1ba78cba59209e18b
SHA512

a9dac40f4633a9d1567ef9e28f929df19c0d6aeabca99c7bb1393fd1a02c28ef38f1c249b5ba539cb2f980fe91a41cbb0092db9cad2139b651ed17804f451a83
SSDEEP

3072:0NajUUQ5axqHGocYFZY0a0NjFI/xJ8hlUHcHJeMxKY/:asiG6TYKN+v8MYX/

Score

10^/10

cycbot backdoor discovery rat 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
behavioral2/memory/2128-14-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral2/memory/3940-15-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral2/memory/3940-16-0x0000000000400000-0x0000000000452000-memory.dmp	family_cycbot
behavioral2/memory/3160-127-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral2/memory/3940-282-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3940-2-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/2128-12-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/2128-14-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/3940-15-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/3940-16-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral2/memory/3160-125-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/3160-127-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/3940-282-0x0000000000400000-0x0000000000455000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 1 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	e31365389f5f5e141fb10ce51a6ffa52_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3940 wrote to memory of 2128	3940	e31365389f5f5e141fb10ce51a6ffa52_JaffaCakes118.exe	86
PID 3940 wrote to memory of 2128	3940	e31365389f5f5e141fb10ce51a6ffa52_JaffaCakes118.exe	86
PID 3940 wrote to memory of 2128	3940	e31365389f5f5e141fb10ce51a6ffa52_JaffaCakes118.exe	86
PID 3940 wrote to memory of 3160	3940	e31365389f5f5e141fb10ce51a6ffa52_JaffaCakes118.exe	95
PID 3940 wrote to memory of 3160	3940	e31365389f5f5e141fb10ce51a6ffa52_JaffaCakes118.exe	95
PID 3940 wrote to memory of 3160	3940	e31365389f5f5e141fb10ce51a6ffa52_JaffaCakes118.exe	95

C:\Users\Admin\AppData\Local\Temp\e31365389f5f5e141fb10ce51a6ffa52_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e31365389f5f5e141fb10ce51a6ffa52_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3940
- C:\Users\Admin\AppData\Local\Temp\e31365389f5f5e141fb10ce51a6ffa52_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\e31365389f5f5e141fb10ce51a6ffa52_JaffaCakes118.exe startC:\Program Files (x86)\LP\F0B6\5FB.exe%C:\Program Files (x86)\LP\F0B6
  2⤵
  PID:2128
- C:\Users\Admin\AppData\Local\Temp\e31365389f5f5e141fb10ce51a6ffa52_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\e31365389f5f5e141fb10ce51a6ffa52_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\6BC65\447F0.exe%C:\Users\Admin\AppData\Roaming\6BC65
  2⤵
  PID:3160

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\6BC65\5377.BC6

Filesize
996B

MD5
54f3ff1a68ac9fedcf2fe3747b3feaf0

SHA1
c705ba3d6c807737f5431317cf42990ef68086f5

SHA256
ad07fd4387a57a4e63746bd99d5d60de99a19a10439a526a0f2f1aad5860090d

SHA512
c6d170fd225f335991f575dabed8e940d8ac0b4f3f8690ac4efd86c836fccf7d94e436a308d1f5df9e6001502d21973a10df31159a50862939019d56013e3c07

Download Submit
C:\Users\Admin\AppData\Roaming\6BC65\5377.BC6

Filesize
600B

MD5
a98229690f7e21e22d1e7dc560614220

SHA1
a78b924ab3c6dc3c00e33afc04c5b430219cdd3a

SHA256
b52421712abb854a9ec933624968e4af8147d14f8886bfefcecaae0dd5974ada

SHA512
6fb83d746c0cdfa04c7a0df5afb4fb6e2922a308a96c581a1f6ea32c36c0d1971fb31febca7b78d88b11e30c4acf88fae6ab1f9887f745add3ff02e24472c6f2

Download Submit
C:\Users\Admin\AppData\Roaming\6BC65\5377.BC6

Filesize
1KB

MD5
24206adf0110fe1b87259b964320ff8a

SHA1
ffdc36b58614af58b3b13a3139c2bc3bc877b9a9

SHA256
8a413a305a4e9f1a0e9bb2bd41858426b78df5af5f816d00ab13e039a11e577a

SHA512
52e77dea9e646c999c6b03a475554b8e5a0a68897e743db028c90755cfa495cc6c7fc5c84185b0ec43e7e9270e739f4b04362588b939bd572d0b1017d6e73446

Download Submit
memory/2128-11-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2128-12-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2128-14-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/3160-127-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/3160-125-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/3940-16-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/3940-1-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/3940-15-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/3940-2-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/3940-282-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download

Analysis

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