cycbot | 8c7557664f097c9cdf55ee281f71a17b69204d56fcb0592b82f74340ffe03f6a

General

Target

JaffaCakes118_7989142c320daaaff9b4ef00393f0c1d.exe
Size

192KB
MD5

7989142c320daaaff9b4ef00393f0c1d
SHA1

8c99d429c2c1d7190adc7c6ecd8184cb307f0b43
SHA256

8c7557664f097c9cdf55ee281f71a17b69204d56fcb0592b82f74340ffe03f6a
SHA512

dd6de3c524e6b78554e46d96ae88db9da855bc13f932d0c64817204cb17a6290c9f2cc2c2ee5be70c11fc6c57ddc4a75414a1051f05d0f485ddda0888aec826c
SSDEEP

3072:o7uHYiIzubg6s2ed48K5vEUnsWYkFq6pQxKx0V5r3oqdNWO7OI3anb/u9n5Z1Mhh:omYsbBK48Y8MYv6p+b3HWIULubXM

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/1956-8-0x0000000000400000-0x0000000000469000-memory.dmp	family_cycbot
behavioral1/memory/1956-10-0x0000000000400000-0x0000000000469000-memory.dmp	family_cycbot
behavioral1/memory/2332-15-0x0000000000400000-0x0000000000469000-memory.dmp	family_cycbot
behavioral1/memory/2296-83-0x0000000000400000-0x0000000000469000-memory.dmp	family_cycbot
behavioral1/memory/2332-190-0x0000000000400000-0x0000000000469000-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/2332-2-0x0000000000400000-0x0000000000469000-memory.dmp	upx
behavioral1/memory/1956-8-0x0000000000400000-0x0000000000469000-memory.dmp	upx
behavioral1/memory/1956-10-0x0000000000400000-0x0000000000469000-memory.dmp	upx
behavioral1/memory/2332-15-0x0000000000400000-0x0000000000469000-memory.dmp	upx
behavioral1/memory/2296-82-0x0000000000400000-0x0000000000469000-memory.dmp	upx
behavioral1/memory/2296-83-0x0000000000400000-0x0000000000469000-memory.dmp	upx
behavioral1/memory/2332-190-0x0000000000400000-0x0000000000469000-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_7989142c320daaaff9b4ef00393f0c1d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_7989142c320daaaff9b4ef00393f0c1d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_7989142c320daaaff9b4ef00393f0c1d.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2332 wrote to memory of 1956	2332	JaffaCakes118_7989142c320daaaff9b4ef00393f0c1d.exe	30
PID 2332 wrote to memory of 1956	2332	JaffaCakes118_7989142c320daaaff9b4ef00393f0c1d.exe	30
PID 2332 wrote to memory of 1956	2332	JaffaCakes118_7989142c320daaaff9b4ef00393f0c1d.exe	30
PID 2332 wrote to memory of 1956	2332	JaffaCakes118_7989142c320daaaff9b4ef00393f0c1d.exe	30
PID 2332 wrote to memory of 2296	2332	JaffaCakes118_7989142c320daaaff9b4ef00393f0c1d.exe	33
PID 2332 wrote to memory of 2296	2332	JaffaCakes118_7989142c320daaaff9b4ef00393f0c1d.exe	33
PID 2332 wrote to memory of 2296	2332	JaffaCakes118_7989142c320daaaff9b4ef00393f0c1d.exe	33
PID 2332 wrote to memory of 2296	2332	JaffaCakes118_7989142c320daaaff9b4ef00393f0c1d.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7989142c320daaaff9b4ef00393f0c1d.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7989142c320daaaff9b4ef00393f0c1d.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2332
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7989142c320daaaff9b4ef00393f0c1d.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7989142c320daaaff9b4ef00393f0c1d.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1956
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7989142c320daaaff9b4ef00393f0c1d.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7989142c320daaaff9b4ef00393f0c1d.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2296

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\7575.142

Filesize
1KB

MD5
c03eb515c2ac25ae569e3ab0ae19b4a1

SHA1
953ab2ed466d4936acb6e0a378c14a39e35798cc

SHA256
c07fd4366c6cf99e775c2fc8ada5e8b97cac9c5755b690120f87f1d75e40f593

SHA512
0eb9149ea402c1a1a04ca043d77e30d5a521e7e2577817147ce5da4f3eed6e0c4a36984123c9d5a54f87970d66f5fb4cb6a9d880060fcd49f2e542966e24b2d3

Download Submit
C:\Users\Admin\AppData\Roaming\7575.142

Filesize
600B

MD5
287351c2a52bbe792d85f3d5f4d5ef13

SHA1
534a17a246e62058d39275f1b7028f32aec67ad9

SHA256
cd9179674b7978b49a8e9c94bb9320116ae55224600221b09c4dac37ad220403

SHA512
8546eae80e71d4955ea428e758e107d0522efe8d970263361a88627bb2bdf6efe99e1b58a5b3c3e6404cddeee524cc630c918eba85064afc08b794998d586e09

Download Submit
C:\Users\Admin\AppData\Roaming\7575.142

Filesize
996B

MD5
2fef410818e49de4582c955529ba9c08

SHA1
4d5cc94c73deeda469bd1dd397fc77be965c4963

SHA256
38ce01f83b476081a6eaf4c70fb719458159abfef0c7313051dcb7e55a06f1e3

SHA512
86224b7e44bdee4d046d612da65a3c653e3dd8f691bcff88588d8cdbbf6f6bbeda214038dfd71cefa57070d59e52d206d1ac73f3c6553280508ec0b997e0af49

Download Submit
memory/1956-8-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/1956-10-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/1956-9-0x00000000005FB000-0x0000000000618000-memory.dmp

Filesize
116KB

Download
memory/2296-82-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2296-83-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2332-1-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2332-2-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2332-15-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2332-190-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download

Analysis

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