cycbot | 0cc685ddc1c2361d00dccb37a021e82e25ffa47d37bbacd40137d062860e607b

General

Target

JaffaCakes118_3ad5214431d5b2ea0bffe43284f8fd6a.exe
Size

175KB
MD5

3ad5214431d5b2ea0bffe43284f8fd6a
SHA1

288595ac42539d0c8d6cbd6e793d2948809637dd
SHA256

0cc685ddc1c2361d00dccb37a021e82e25ffa47d37bbacd40137d062860e607b
SHA512

1ee0f4aa70925ab21bd8c7efeccca71aad39597dd7fa5c48440146c18a104994fe05dfbc3f5b6c92cfa8a41ab8252a174f696b4bfa9a27a9bfcb53c7a9d1d9ed
SSDEEP

3072:fAI+7v3n2mN2ue4oihf8TB+q5ak0/dHyROugabKYxYX9VR:fAzvXLNYyf8Qq4y0ugoYtVR

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/2068-8-0x0000000000400000-0x0000000000463000-memory.dmp	family_cycbot
behavioral1/memory/2068-7-0x0000000000400000-0x0000000000463000-memory.dmp	family_cycbot
behavioral1/memory/2540-15-0x0000000000400000-0x0000000000463000-memory.dmp	family_cycbot
behavioral1/memory/2328-78-0x0000000000400000-0x0000000000463000-memory.dmp	family_cycbot
behavioral1/memory/2540-180-0x0000000000400000-0x0000000000463000-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 8 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2540-1-0x0000000000400000-0x0000000000463000-memory.dmp	upx
behavioral1/memory/2540-2-0x0000000000400000-0x0000000000463000-memory.dmp	upx
behavioral1/memory/2068-8-0x0000000000400000-0x0000000000463000-memory.dmp	upx
behavioral1/memory/2068-7-0x0000000000400000-0x0000000000463000-memory.dmp	upx
behavioral1/memory/2540-15-0x0000000000400000-0x0000000000463000-memory.dmp	upx
behavioral1/memory/2328-77-0x0000000000400000-0x0000000000463000-memory.dmp	upx
behavioral1/memory/2328-78-0x0000000000400000-0x0000000000463000-memory.dmp	upx
behavioral1/memory/2540-180-0x0000000000400000-0x0000000000463000-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_3ad5214431d5b2ea0bffe43284f8fd6a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_3ad5214431d5b2ea0bffe43284f8fd6a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_3ad5214431d5b2ea0bffe43284f8fd6a.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2540 wrote to memory of 2068	2540	JaffaCakes118_3ad5214431d5b2ea0bffe43284f8fd6a.exe	30
PID 2540 wrote to memory of 2068	2540	JaffaCakes118_3ad5214431d5b2ea0bffe43284f8fd6a.exe	30
PID 2540 wrote to memory of 2068	2540	JaffaCakes118_3ad5214431d5b2ea0bffe43284f8fd6a.exe	30
PID 2540 wrote to memory of 2068	2540	JaffaCakes118_3ad5214431d5b2ea0bffe43284f8fd6a.exe	30
PID 2540 wrote to memory of 2328	2540	JaffaCakes118_3ad5214431d5b2ea0bffe43284f8fd6a.exe	33
PID 2540 wrote to memory of 2328	2540	JaffaCakes118_3ad5214431d5b2ea0bffe43284f8fd6a.exe	33
PID 2540 wrote to memory of 2328	2540	JaffaCakes118_3ad5214431d5b2ea0bffe43284f8fd6a.exe	33
PID 2540 wrote to memory of 2328	2540	JaffaCakes118_3ad5214431d5b2ea0bffe43284f8fd6a.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3ad5214431d5b2ea0bffe43284f8fd6a.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3ad5214431d5b2ea0bffe43284f8fd6a.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2540
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3ad5214431d5b2ea0bffe43284f8fd6a.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3ad5214431d5b2ea0bffe43284f8fd6a.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2068
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3ad5214431d5b2ea0bffe43284f8fd6a.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3ad5214431d5b2ea0bffe43284f8fd6a.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2328

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\F523.9C0

Filesize
1KB

MD5
173b3e75e881694ad5842ca384977a32

SHA1
851c3fc8e2ee862bbc8772300ac30364935e2260

SHA256
d1619f379e5e6fb37893b87c3479486ff6360a61fcebd740cbebcae0a0a874c5

SHA512
fff7d1955d3ff26280abd864973c097b61d38d58e7dccde61de7d631232b4dc25aa852e99eed2335661a8a6a5398715fa94c6b68ef23dbbc0f3e4a2df10bd735

Download Submit
C:\Users\Admin\AppData\Roaming\F523.9C0

Filesize
600B

MD5
fab1cd5289ad0759e2c95673e894b619

SHA1
875e2140a74fd69fc08e7029ad1624be1a8f5b8d

SHA256
a13ca5e998a42c918c39431d57c84fab199f3cabbf59476da2c3faa39ccfb498

SHA512
751ebf5b766ed110d470566eee517630e4990c1f280481e4f969c07b7cd0a602725ea0bcbb4df2eed99d374a55de28cc38c35db404309eebc52c5bdce3e29414

Download Submit
C:\Users\Admin\AppData\Roaming\F523.9C0

Filesize
996B

MD5
799cfe7dd3308e7e899771753f404784

SHA1
76bec9236809efccecbf952b16e7e9b47d81b953

SHA256
89c1353ed97c5c612d56eb244037d25d191d4eb27df10dc187597f59d4c12f36

SHA512
322c73e316921f5950c96a9c8af14e73738d462b53208d1bec29de784e2a5f9bd02f0ecef2977a7e4d1dc9059e584fe65dff7320b18fbfd937a17dc21415fb39

Download Submit
memory/2068-5-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2068-8-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2068-7-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2328-77-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2328-78-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2540-1-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2540-2-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2540-15-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2540-180-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download

Analysis

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