cycbot | dcb78ad4e106a7c056f2e2b39fce6b3a5f9c190556b9ff73d032e783b4ceebfd

General

Target

JaffaCakes118_02243ef10b4489e1b485ce34629fb78d.exe
Size

187KB
MD5

02243ef10b4489e1b485ce34629fb78d
SHA1

e7fc14d6a3cc08973bf39d85080a56fabc93f4a1
SHA256

dcb78ad4e106a7c056f2e2b39fce6b3a5f9c190556b9ff73d032e783b4ceebfd
SHA512

6aeae95ad886e5e1c3c5731f9906db90724c28fe0019c53b5e9e95aa863a2768470dd027537776eb907f41cf0496f11672388ae8988286c95040a1d7bff4f953
SSDEEP

3072:cpjiz1RQ2CN/gbvdBmHitGSXeR4HwHN26OV7VjKci9JQFLlxZ5riGETCNraUA0gO:cpSENiVBmHXSXe6HUE627VjKciJKBx1r

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/2712-6-0x0000000000400000-0x0000000000446000-memory.dmp	family_cycbot
behavioral1/memory/2184-13-0x0000000000400000-0x0000000000446000-memory.dmp	family_cycbot
behavioral1/memory/2388-83-0x0000000000400000-0x0000000000446000-memory.dmp	family_cycbot
behavioral1/memory/2184-177-0x0000000000400000-0x0000000000446000-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/2184-2-0x0000000000400000-0x0000000000446000-memory.dmp	upx
behavioral1/memory/2712-5-0x0000000000400000-0x0000000000446000-memory.dmp	upx
behavioral1/memory/2712-6-0x0000000000400000-0x0000000000446000-memory.dmp	upx
behavioral1/memory/2184-13-0x0000000000400000-0x0000000000446000-memory.dmp	upx
behavioral1/memory/2388-83-0x0000000000400000-0x0000000000446000-memory.dmp	upx
behavioral1/memory/2184-177-0x0000000000400000-0x0000000000446000-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_02243ef10b4489e1b485ce34629fb78d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_02243ef10b4489e1b485ce34629fb78d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_02243ef10b4489e1b485ce34629fb78d.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2184 wrote to memory of 2712	2184	JaffaCakes118_02243ef10b4489e1b485ce34629fb78d.exe	31
PID 2184 wrote to memory of 2712	2184	JaffaCakes118_02243ef10b4489e1b485ce34629fb78d.exe	31
PID 2184 wrote to memory of 2712	2184	JaffaCakes118_02243ef10b4489e1b485ce34629fb78d.exe	31
PID 2184 wrote to memory of 2712	2184	JaffaCakes118_02243ef10b4489e1b485ce34629fb78d.exe	31
PID 2184 wrote to memory of 2388	2184	JaffaCakes118_02243ef10b4489e1b485ce34629fb78d.exe	33
PID 2184 wrote to memory of 2388	2184	JaffaCakes118_02243ef10b4489e1b485ce34629fb78d.exe	33
PID 2184 wrote to memory of 2388	2184	JaffaCakes118_02243ef10b4489e1b485ce34629fb78d.exe	33
PID 2184 wrote to memory of 2388	2184	JaffaCakes118_02243ef10b4489e1b485ce34629fb78d.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_02243ef10b4489e1b485ce34629fb78d.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_02243ef10b4489e1b485ce34629fb78d.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2184
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_02243ef10b4489e1b485ce34629fb78d.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_02243ef10b4489e1b485ce34629fb78d.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2712
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_02243ef10b4489e1b485ce34629fb78d.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_02243ef10b4489e1b485ce34629fb78d.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2388

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\8072.7C8

Filesize
1KB

MD5
4ff4412267cd2bbe5cbc824e36edc8ff

SHA1
296658f340e4a904ef6463c41489ea1a4c485176

SHA256
5c670b81d53609c702ad46e7d4157b6e4e20bab5587e0355f25afb622080d2fd

SHA512
1e6225a6b694c4e09526a2a7e73b9530d196d292487ee33c96557a406b1853426cfdf1ed0cb79aa53952c23371f70680e491a078fa67f373f33c860966d6a2f5

Download Submit
C:\Users\Admin\AppData\Roaming\8072.7C8

Filesize
600B

MD5
9fb011ec0698c579c228f9516b81aa5a

SHA1
c24e00de79edf8fec4db2775a2a7253ea300568f

SHA256
0067e643da63c6c4c132629817bcfd8e3154b03bc94b1adea3e3141a2dd7240b

SHA512
a49159cd7981c337771964bd0ca69b12ebe232ec98189937db577890134acfb513c302f266384b1afbe6af5f79d457e18f2fb2bc5ada129251af9a7c71831dbd

Download Submit
C:\Users\Admin\AppData\Roaming\8072.7C8

Filesize
996B

MD5
cda863b8f3d98b9ad6ade41a0e417e82

SHA1
eb5d1c986dd64414bd780087c2993a10091c8afc

SHA256
c1608d038da6ed5c1dae35601da2c6522c2c066569717426f2f5e2be714919fb

SHA512
ae487db4d27cf87da9c48ad6b9af908fcf606e007c417eb5b447faa28d2765c5336dd96def7576316eb17b5f45953a2bf463705431c599ea23a067bbc0ba19c3

Download Submit
memory/2184-1-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download
memory/2184-2-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download
memory/2184-13-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download
memory/2184-177-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download
memory/2388-83-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download
memory/2712-5-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download
memory/2712-6-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download

Analysis

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