cycbot | a421f27444f744edb2e512c2f98453ec0362fc109c08e4bd49deb058d9d009f5

General

Target

JaffaCakes118_6f17a4cf99d23dde54115ca96c76053b.exe
Size

172KB
MD5

6f17a4cf99d23dde54115ca96c76053b
SHA1

5fcd652c7c57737c90107c46da8824e85e3c4b9b
SHA256

a421f27444f744edb2e512c2f98453ec0362fc109c08e4bd49deb058d9d009f5
SHA512

4bb5ede29716b12496ad682a2676f0c8ab550ac86396b06e1dad940f6ff658a3e32f6bd3f9eaab55a6339f9458f56573351bb63fa74bbeb0ef6287f0bf0fcfd7
SSDEEP

3072:qvfypVNj8zCyOLJ59T3/5e6t5bQMD4eRUcjzkUMo22HvJMgWBGFprb:QkVNj8zCyOsxMUeec0UNHvQGjr

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/2316-7-0x0000000000400000-0x0000000000463000-memory.dmp	family_cycbot
behavioral1/memory/1944-14-0x0000000000400000-0x0000000000463000-memory.dmp	family_cycbot
behavioral1/memory/2668-71-0x0000000000400000-0x0000000000463000-memory.dmp	family_cycbot
behavioral1/memory/1944-172-0x0000000000400000-0x0000000000463000-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/1944-2-0x0000000000400000-0x0000000000463000-memory.dmp	upx
behavioral1/memory/2316-6-0x0000000000400000-0x0000000000463000-memory.dmp	upx
behavioral1/memory/2316-7-0x0000000000400000-0x0000000000463000-memory.dmp	upx
behavioral1/memory/1944-14-0x0000000000400000-0x0000000000463000-memory.dmp	upx
behavioral1/memory/2668-72-0x0000000000400000-0x0000000000463000-memory.dmp	upx
behavioral1/memory/2668-71-0x0000000000400000-0x0000000000463000-memory.dmp	upx
behavioral1/memory/1944-172-0x0000000000400000-0x0000000000463000-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_6f17a4cf99d23dde54115ca96c76053b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_6f17a4cf99d23dde54115ca96c76053b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_6f17a4cf99d23dde54115ca96c76053b.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1944 wrote to memory of 2316	1944	JaffaCakes118_6f17a4cf99d23dde54115ca96c76053b.exe	30
PID 1944 wrote to memory of 2316	1944	JaffaCakes118_6f17a4cf99d23dde54115ca96c76053b.exe	30
PID 1944 wrote to memory of 2316	1944	JaffaCakes118_6f17a4cf99d23dde54115ca96c76053b.exe	30
PID 1944 wrote to memory of 2316	1944	JaffaCakes118_6f17a4cf99d23dde54115ca96c76053b.exe	30
PID 1944 wrote to memory of 2668	1944	JaffaCakes118_6f17a4cf99d23dde54115ca96c76053b.exe	32
PID 1944 wrote to memory of 2668	1944	JaffaCakes118_6f17a4cf99d23dde54115ca96c76053b.exe	32
PID 1944 wrote to memory of 2668	1944	JaffaCakes118_6f17a4cf99d23dde54115ca96c76053b.exe	32
PID 1944 wrote to memory of 2668	1944	JaffaCakes118_6f17a4cf99d23dde54115ca96c76053b.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6f17a4cf99d23dde54115ca96c76053b.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6f17a4cf99d23dde54115ca96c76053b.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1944
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6f17a4cf99d23dde54115ca96c76053b.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6f17a4cf99d23dde54115ca96c76053b.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2316
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6f17a4cf99d23dde54115ca96c76053b.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6f17a4cf99d23dde54115ca96c76053b.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2668

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\85B2.5C6

Filesize
1KB

MD5
8570102cc998861efcaa5a30d0984fd9

SHA1
ed489298317222915a180c273a9fc367cb39ae70

SHA256
5945f662566bf2cdb8352e15c453c631bf0f791f186fbb6ce465ed73b7ceff65

SHA512
d7deeaf0895b880f89ec136729fe99d091681217abaa9668f0dcc28e622945dfcf85a70fd704df87219d62eb78524f5b6cb3dc0638724818d921f206393760aa

Download Submit
C:\Users\Admin\AppData\Roaming\85B2.5C6

Filesize
600B

MD5
b11a32b7de2cfb273979c41fc938c15f

SHA1
ea4c742815906c4d71db9d9c82d30d3ea77dc575

SHA256
a1ccad57135f4a62da1e1ba03f55acf02e1b2e1ed593f6e904b07fa41568d9f6

SHA512
c5673830e787b985aec0bef41ae754c9fad1fc0461dde01f1cff9b9132370c178f626679aba25cf9f6fbf411ed0b77a9825c13cc95b36c71b1571e13952902bf

Download Submit
C:\Users\Admin\AppData\Roaming\85B2.5C6

Filesize
996B

MD5
b518644b9dfb84f6b299aa04eb2a4702

SHA1
1ad3662d6bedf7d520e04b0d0c4c61df91425762

SHA256
3bb5c123c1f82ae81802f3263ecb3417e814cd0343ee45a26ff6efbeeb3b3a51

SHA512
f101951b14e7dae4f53bea5226132f49ce6145a242af74fecc0010a8277021e22b68aea0388bcd3b3607cbecd92d4bc6f4faac31ba58b1bd04c7c11c58c6fd21

Download Submit
memory/1944-1-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/1944-2-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/1944-14-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/1944-172-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2316-6-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2316-7-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2668-72-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2668-71-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2668-70-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download

Analysis

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