cycbot | 21cc5b476fe27fbe9105e4e44ee354c768afed0a828e18a384095501405fc889

General

Target

JaffaCakes118_f843a82e405e34c62bfa2af47f4ee17c.exe
Size

180KB
MD5

f843a82e405e34c62bfa2af47f4ee17c
SHA1

786e94810cdfb43c9dc86d890a056e80e9c08a19
SHA256

21cc5b476fe27fbe9105e4e44ee354c768afed0a828e18a384095501405fc889
SHA512

96a711c4476782049d924f6523efc605ef1f34603a5212672e715680a6e0440a5fdc305d8614796f8e6a0861795ddaa48f03d2d07745f6ca4108302585458d79
SSDEEP

3072:E+2BoZZVHE4oyNruTioUow7K7c8lL8Yl52kLrGn9y+AxC4Cjwotwc:E9UZBEmNQiVvetlxrG0pMnjw6

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/1708-15-0x0000000000400000-0x0000000000454000-memory.dmp	family_cycbot
behavioral1/memory/2324-16-0x0000000000400000-0x0000000000454000-memory.dmp	family_cycbot
behavioral1/memory/2324-17-0x0000000000400000-0x0000000000452000-memory.dmp	family_cycbot
behavioral1/memory/1880-108-0x0000000000400000-0x0000000000454000-memory.dmp	family_cycbot
behavioral1/memory/2324-267-0x0000000000400000-0x0000000000454000-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 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2324-3-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/1708-13-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/1708-14-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/1708-15-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/2324-16-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/2324-17-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral1/memory/1880-107-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/1880-108-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/2324-267-0x0000000000400000-0x0000000000454000-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_f843a82e405e34c62bfa2af47f4ee17c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_f843a82e405e34c62bfa2af47f4ee17c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_f843a82e405e34c62bfa2af47f4ee17c.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2324 wrote to memory of 1708	2324	JaffaCakes118_f843a82e405e34c62bfa2af47f4ee17c.exe	30
PID 2324 wrote to memory of 1708	2324	JaffaCakes118_f843a82e405e34c62bfa2af47f4ee17c.exe	30
PID 2324 wrote to memory of 1708	2324	JaffaCakes118_f843a82e405e34c62bfa2af47f4ee17c.exe	30
PID 2324 wrote to memory of 1708	2324	JaffaCakes118_f843a82e405e34c62bfa2af47f4ee17c.exe	30
PID 2324 wrote to memory of 1880	2324	JaffaCakes118_f843a82e405e34c62bfa2af47f4ee17c.exe	33
PID 2324 wrote to memory of 1880	2324	JaffaCakes118_f843a82e405e34c62bfa2af47f4ee17c.exe	33
PID 2324 wrote to memory of 1880	2324	JaffaCakes118_f843a82e405e34c62bfa2af47f4ee17c.exe	33
PID 2324 wrote to memory of 1880	2324	JaffaCakes118_f843a82e405e34c62bfa2af47f4ee17c.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f843a82e405e34c62bfa2af47f4ee17c.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f843a82e405e34c62bfa2af47f4ee17c.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2324
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f843a82e405e34c62bfa2af47f4ee17c.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f843a82e405e34c62bfa2af47f4ee17c.exe startC:\Program Files (x86)\LP\BD1E\96D.exe%C:\Program Files (x86)\LP\BD1E
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1708
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f843a82e405e34c62bfa2af47f4ee17c.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f843a82e405e34c62bfa2af47f4ee17c.exe startC:\Users\Admin\AppData\Roaming\E1C44\C0BBD.exe%C:\Users\Admin\AppData\Roaming\E1C44
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1880

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

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Downloads

C:\Users\Admin\AppData\Roaming\E1C44\4142.1C4

Filesize
996B

MD5
03adad55a33879368a2c16dd85ddf458

SHA1
9cc1b8ff5a4ce609ca6f9e98834a55cf5e8bba7a

SHA256
881c4d1c02d3292b27d59890525f2deace96d6adcc93c70baf950801bf0ad301

SHA512
dc77965d56647b46d0c5d92ecff32b6a65eda51c66766b140d276cb2bde285c5c079999f7ca2523af06d2b2cf600773e0c94f4de23b4c68d2e0ed07c6521fcf6

Download Submit
C:\Users\Admin\AppData\Roaming\E1C44\4142.1C4

Filesize
600B

MD5
52dd955c7b9a9de8e13c9216b786dbb0

SHA1
e7615375e5c76f6053bdb9063410eb12358fda25

SHA256
54d40e7578eead1dc592be4cf10fa9007ddf8ed2d1c6244aa63952449cb73b20

SHA512
68ef047e411db43a7dd84b3f9c11d0e1af3d4feb4f1cb54464f5779abbab1959cb0cc66b21498ec1daa8b4c12512d720d856d6bf81150c6c465c881c68129251

Download Submit
C:\Users\Admin\AppData\Roaming\E1C44\4142.1C4

Filesize
1KB

MD5
32ad0884db54b3481a411882f3b8bc78

SHA1
0761e7654b8366cc750ce373da6a0c6f98c1a00d

SHA256
b9b120e0de5003897f997b5c5867b75a713eb4ac10e4c93e04b7d8eaeb5c4296

SHA512
a4b8eceb0aa5828eff964f4081ed9ec92c7be5f3ffc8454dcc0d2521900e7e4db4b03a8ed0649c8b117a9a48723f8a577f9166a28ec14104fb0d45cb68e117c1

Download Submit
memory/1708-13-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1708-14-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1708-15-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1880-107-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1880-108-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2324-17-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2324-16-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2324-0-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2324-3-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2324-2-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2324-267-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download

Analysis

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