cycbot | 1a6de1d6a94d5eeeb2ea4504c2ef4fa6d9e0c25ee22c602fcaf7445d3b0a1827

General

Target

d0f0b91fb9edda7fa0adbfbded2e4fe9_JaffaCakes118.exe
Size

178KB
MD5

d0f0b91fb9edda7fa0adbfbded2e4fe9
SHA1

7128c7f31c577e92a537198441e536be4f5301a7
SHA256

1a6de1d6a94d5eeeb2ea4504c2ef4fa6d9e0c25ee22c602fcaf7445d3b0a1827
SHA512

67c8f9d98a70a470ae263c1db8a310bf0d35c992c6ff12fcf43d0d4341eb9a2afb1de65a9d1d4cf3acc5434ddf29527b525200f3bee910667c3a8ffe2076d6b3
SSDEEP

3072:kFZgh6BqWaJssjUurgvVICAwhhtULZDBqNXcY8QnSh6LtY/G:kFZgh6/sjCShvlBqNX/QytY/

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/3024-12-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/2268-13-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/2268-14-0x0000000000400000-0x0000000000452000-memory.dmp	family_cycbot
behavioral1/memory/2144-81-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/2268-176-0x0000000000400000-0x0000000000455000-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 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2268-2-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/3024-12-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2268-13-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2268-14-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral1/memory/2144-80-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2144-81-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2268-176-0x0000000000400000-0x0000000000455000-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	d0f0b91fb9edda7fa0adbfbded2e4fe9_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d0f0b91fb9edda7fa0adbfbded2e4fe9_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d0f0b91fb9edda7fa0adbfbded2e4fe9_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2268 wrote to memory of 3024	2268	d0f0b91fb9edda7fa0adbfbded2e4fe9_JaffaCakes118.exe	30
PID 2268 wrote to memory of 3024	2268	d0f0b91fb9edda7fa0adbfbded2e4fe9_JaffaCakes118.exe	30
PID 2268 wrote to memory of 3024	2268	d0f0b91fb9edda7fa0adbfbded2e4fe9_JaffaCakes118.exe	30
PID 2268 wrote to memory of 3024	2268	d0f0b91fb9edda7fa0adbfbded2e4fe9_JaffaCakes118.exe	30
PID 2268 wrote to memory of 2144	2268	d0f0b91fb9edda7fa0adbfbded2e4fe9_JaffaCakes118.exe	32
PID 2268 wrote to memory of 2144	2268	d0f0b91fb9edda7fa0adbfbded2e4fe9_JaffaCakes118.exe	32
PID 2268 wrote to memory of 2144	2268	d0f0b91fb9edda7fa0adbfbded2e4fe9_JaffaCakes118.exe	32
PID 2268 wrote to memory of 2144	2268	d0f0b91fb9edda7fa0adbfbded2e4fe9_JaffaCakes118.exe	32

C:\Users\Admin\AppData\Local\Temp\d0f0b91fb9edda7fa0adbfbded2e4fe9_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d0f0b91fb9edda7fa0adbfbded2e4fe9_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2268
- C:\Users\Admin\AppData\Local\Temp\d0f0b91fb9edda7fa0adbfbded2e4fe9_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\d0f0b91fb9edda7fa0adbfbded2e4fe9_JaffaCakes118.exe startC:\Program Files (x86)\LP\448F\575.exe%C:\Program Files (x86)\LP\448F
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3024
- C:\Users\Admin\AppData\Local\Temp\d0f0b91fb9edda7fa0adbfbded2e4fe9_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\d0f0b91fb9edda7fa0adbfbded2e4fe9_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\FE82F\21C44.exe%C:\Users\Admin\AppData\Roaming\FE82F
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2144

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\FE82F\FA60.E82

Filesize
1KB

MD5
c024adc20cb94edc8ca81b7892c6bcda

SHA1
6f694d4afc632dfa2935c9bd81b46b0a3ed38496

SHA256
c7c1dea2585cd3bab9711204fc32beaad70142a042752a61a0ed13de9b80190f

SHA512
fbbb64cf342fe9a06c8f3e9019c1fc499d95f73cf2a85f887c27c05984772336623184ca781183a6bad9646f9ff5a68075256bd167ac6a7bebf5d68bf2e2cdaf

Download Submit
C:\Users\Admin\AppData\Roaming\FE82F\FA60.E82

Filesize
600B

MD5
885462d0e0e7755010a2f1ad198e48c8

SHA1
e916aead549c8f2f788b6bdb9bc43b9fb722f558

SHA256
a60a6756ba049f11747398a95e7c9ff0de564c5875708ebc9a0c855b44283544

SHA512
fc73131a549082100fa51d42be045b971694b439c94846b8a1e26d751feb636b632846f85f912d3859928eb355a394d27111cd673680a662c7bc5cc423018d6d

Download Submit
C:\Users\Admin\AppData\Roaming\FE82F\FA60.E82

Filesize
996B

MD5
3eead14addc8cefed2efc043d33b2b6a

SHA1
3dfbd6e6691071a635110cf3f4e9da8bb9dbd0e9

SHA256
bd9b7c41a72423be234b4c350e861c5e33596d217801ea079be0442cacd4f4a3

SHA512
6b0d4747b8295778ae53a85fa98bac0919f6ebbd1c4fef412f4d2b5be52871a2733951f9953565a9af00e28a53ae26a72ba19da3344f2dd53152d20b7f793eb3

Download Submit
memory/2144-81-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2144-79-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2144-80-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2268-13-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2268-14-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2268-1-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2268-2-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2268-176-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/3024-12-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/3024-11-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download

Analysis

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