cycbot | d78cfa576e147fe9b50e4d32f6b5a42d3819d3dfa14956e8d2a3b91baeda6a99

General

Target

JaffaCakes118_4c33848046af504e427a5cbf823d3e02.exe
Size

203KB
MD5

4c33848046af504e427a5cbf823d3e02
SHA1

b90f7f6f1a1bd3253b9fa5c5aeb34cc8a4fbd382
SHA256

d78cfa576e147fe9b50e4d32f6b5a42d3819d3dfa14956e8d2a3b91baeda6a99
SHA512

03fc830c48dba3b2d2b43fdb94b8612c78d24971660dee803685451767b70b96992e6e0bc8cc63714be7a8cf64ecd549a28e2588d8a462dc0a6a657569362f69
SSDEEP

6144:wZqqYqsv7BqPKxO40yQU7v8lVZFs+T/cxi:wZgplqPKsSQsv8lNs+Ti

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/2804-14-0x0000000000400000-0x000000000044D000-memory.dmp	family_cycbot
behavioral1/memory/2180-15-0x0000000000400000-0x000000000044D000-memory.dmp	family_cycbot
behavioral1/memory/2924-80-0x0000000000400000-0x000000000044D000-memory.dmp	family_cycbot
behavioral1/memory/2180-191-0x0000000000400000-0x000000000044D000-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 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2180-2-0x0000000000400000-0x000000000044D000-memory.dmp	upx
behavioral1/memory/2804-12-0x0000000000400000-0x000000000044D000-memory.dmp	upx
behavioral1/memory/2804-14-0x0000000000400000-0x000000000044D000-memory.dmp	upx
behavioral1/memory/2180-15-0x0000000000400000-0x000000000044D000-memory.dmp	upx
behavioral1/memory/2924-80-0x0000000000400000-0x000000000044D000-memory.dmp	upx
behavioral1/memory/2180-191-0x0000000000400000-0x000000000044D000-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	JaffaCakes118_4c33848046af504e427a5cbf823d3e02.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2180 wrote to memory of 2804	2180	JaffaCakes118_4c33848046af504e427a5cbf823d3e02.exe	30
PID 2180 wrote to memory of 2804	2180	JaffaCakes118_4c33848046af504e427a5cbf823d3e02.exe	30
PID 2180 wrote to memory of 2804	2180	JaffaCakes118_4c33848046af504e427a5cbf823d3e02.exe	30
PID 2180 wrote to memory of 2804	2180	JaffaCakes118_4c33848046af504e427a5cbf823d3e02.exe	30
PID 2180 wrote to memory of 2924	2180	JaffaCakes118_4c33848046af504e427a5cbf823d3e02.exe	32
PID 2180 wrote to memory of 2924	2180	JaffaCakes118_4c33848046af504e427a5cbf823d3e02.exe	32
PID 2180 wrote to memory of 2924	2180	JaffaCakes118_4c33848046af504e427a5cbf823d3e02.exe	32
PID 2180 wrote to memory of 2924	2180	JaffaCakes118_4c33848046af504e427a5cbf823d3e02.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4c33848046af504e427a5cbf823d3e02.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4c33848046af504e427a5cbf823d3e02.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2180
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4c33848046af504e427a5cbf823d3e02.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4c33848046af504e427a5cbf823d3e02.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  PID:2804
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4c33848046af504e427a5cbf823d3e02.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4c33848046af504e427a5cbf823d3e02.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  PID:2924

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\FBF1.A1C

Filesize
1KB

MD5
8ddf8f29cf8057259c1bd4f5a9164aaf

SHA1
850c8afb73f121eb9d3032ca6fd6922b5c301f0f

SHA256
6986d5a0322eb61c64bab401cc1da72bc471d6e75b9b19b2623fab49781bd692

SHA512
8ef39233e17f4984476fd9c5d34b13647c35f1ded75a8c6b09406cd9995067c3b85e63ea64716c2803e7631bc4e43ee5b6145851a41a1a85c36647966445ce07

Download Submit
C:\Users\Admin\AppData\Roaming\FBF1.A1C

Filesize
600B

MD5
19fcbb4799afb084f5c89b5229832f51

SHA1
1330c7d97f4aaf2d1759b177d0b8fe212e04c816

SHA256
ec5e5a1acadc306b4688d1c7517ad2c20c1966a807e243af7234f777586e2caf

SHA512
3b2ea242d1b331905dfc2bbe58f0f5cad8864ee55d4e00763e2bb32a3f2dbfa6bab249e0d65b00bf1ec7fa312335057d63822af30c2fcc288bb245d31f9cc6af

Download Submit
C:\Users\Admin\AppData\Roaming\FBF1.A1C

Filesize
996B

MD5
ed0e03113064c8afa1a06c002d678a13

SHA1
31bcbb0468ad90e77b122e7bfcfb29ad98732274

SHA256
af831a6fb0bbe1944f64fb9b61342f118abfa0887d3304f6463281d0d8aeb1ac

SHA512
bfd902c9876fc1092dfb9e83e495814b0c418cbc3067020ed40ab20636d512c44f033e06eae5bc28b6900adaac4bbe09db3549e25023554547509b11aa302245

Download Submit
memory/2180-1-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/2180-2-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/2180-15-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/2180-191-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/2804-12-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/2804-14-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/2924-80-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download

Analysis

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