cycbot | 39f52488b240e3e976bc1a73740fb6036f2dd9baa642fc3450dc85e6e8be0e71

General

Target

JaffaCakes118_642b1107928e464d62ecbfb0a58d69a9.exe
Size

180KB
MD5

642b1107928e464d62ecbfb0a58d69a9
SHA1

13d4d20c816f93811d12c14f15b3f004ca34afda
SHA256

39f52488b240e3e976bc1a73740fb6036f2dd9baa642fc3450dc85e6e8be0e71
SHA512

23f0d15e8dc077327676f4f8cba1bcd2f74a4ace62ed445322483839262afa5b4367b81bd2f19a84209a4927201a7bef3d58a644d02a5a6f80f63462e13ed7ab
SSDEEP

3072:odcJ44+mge3ZvIPx5uwtF/7DK6MVs5ZeJANEijUdoFqB6ePf4W2XPF:o+S4+pe9IPx5uwX2Rs+KEua6+Y

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/5036-73-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral2/memory/2608-74-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral2/memory/2608-75-0x0000000000400000-0x0000000000452000-memory.dmp	family_cycbot
behavioral2/memory/1744-199-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral2/memory/2608-324-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2608-3-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/5036-72-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/5036-71-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/5036-73-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/2608-74-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/2608-75-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral2/memory/1744-197-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/1744-199-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/2608-324-0x0000000000400000-0x0000000000455000-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_642b1107928e464d62ecbfb0a58d69a9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_642b1107928e464d62ecbfb0a58d69a9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_642b1107928e464d62ecbfb0a58d69a9.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2608 wrote to memory of 5036	2608	JaffaCakes118_642b1107928e464d62ecbfb0a58d69a9.exe	85
PID 2608 wrote to memory of 5036	2608	JaffaCakes118_642b1107928e464d62ecbfb0a58d69a9.exe	85
PID 2608 wrote to memory of 5036	2608	JaffaCakes118_642b1107928e464d62ecbfb0a58d69a9.exe	85
PID 2608 wrote to memory of 1744	2608	JaffaCakes118_642b1107928e464d62ecbfb0a58d69a9.exe	86
PID 2608 wrote to memory of 1744	2608	JaffaCakes118_642b1107928e464d62ecbfb0a58d69a9.exe	86
PID 2608 wrote to memory of 1744	2608	JaffaCakes118_642b1107928e464d62ecbfb0a58d69a9.exe	86

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_642b1107928e464d62ecbfb0a58d69a9.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_642b1107928e464d62ecbfb0a58d69a9.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2608
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_642b1107928e464d62ecbfb0a58d69a9.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_642b1107928e464d62ecbfb0a58d69a9.exe startC:\Program Files (x86)\LP\077A\D1F.exe%C:\Program Files (x86)\LP\077A
  2⤵
  - System Location Discovery: System Language Discovery
  PID:5036
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_642b1107928e464d62ecbfb0a58d69a9.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_642b1107928e464d62ecbfb0a58d69a9.exe startC:\Users\Admin\AppData\Roaming\AE80F\90707.exe%C:\Users\Admin\AppData\Roaming\AE80F
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1744

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\AE80F\FAB8.E80

Filesize
600B

MD5
d7136de992dacdc16531121d7dcf26a7

SHA1
1686c8427caae1a4716a8163cc2abba79bfb7e1c

SHA256
a0a00ecde8d327b3216b1ec5c16763f206a789abe01a629cf18f674b0e0fde15

SHA512
8479964e36c23227f4de20a5513e27ff60ecaa333be2eacbb83f9f5d73fc7bdee8ed8d31a2ea1e01b3202d05de2301adb04ba43d05f7e35198e2b8fcc0e1ae64

Download Submit
C:\Users\Admin\AppData\Roaming\AE80F\FAB8.E80

Filesize
996B

MD5
86dbaa62707ab27faa26b4e5f708dc10

SHA1
9a5990356de88c037b67d3e00d3382b6da270cff

SHA256
1c839561fc6c2f2c3ee9d27152967a4c595ecaa91287e25b4726061994411312

SHA512
a1c0460509ee419fa9341828e037768e30f03ddbbfcdf0fa9f25bc1c5632afb12fc8e1485de919dacba544c1c956cdde5eac702dbfba9ea7acb6b52a6667809d

Download Submit
memory/1744-197-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/1744-199-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2608-3-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2608-74-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2608-75-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2608-0-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2608-2-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2608-324-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/5036-72-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/5036-71-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/5036-73-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download

Analysis

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