cycbot | 24f498ccacefdc17908286f5a32ece287150d04a86962bfdfcf596f7550454b6

General

Target

JaffaCakes118_4e04ae53c23c85b945326296df72f5bf.exe
Size

186KB
MD5

4e04ae53c23c85b945326296df72f5bf
SHA1

30aad14448cc6e4b726965f4903b14f66e81ccbd
SHA256

24f498ccacefdc17908286f5a32ece287150d04a86962bfdfcf596f7550454b6
SHA512

e564fac511659910e86b497e5a3301fe054cea356b3181d0213224f7fd5ee6d345427977c273310043425c4ee203270ca2c37174a82e107a767a3f48676c041c
SSDEEP

3072:y2Gc/zzK8pXIhEjGANCwjwsiXQrApPen4asY5Kb512gJAYMeEa4Wq7vZ6JOkm1P:T3zzKj6/NCwjpiwJsCKZAYMeEa4NZ6X+

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/1324-15-0x0000000000400000-0x0000000000454000-memory.dmp	family_cycbot
behavioral1/memory/1996-16-0x0000000000400000-0x0000000000454000-memory.dmp	family_cycbot
behavioral1/memory/1996-17-0x0000000000400000-0x0000000000452000-memory.dmp	family_cycbot
behavioral1/memory/2768-140-0x0000000000400000-0x0000000000454000-memory.dmp	family_cycbot
behavioral1/memory/1996-291-0x0000000000400000-0x0000000000454000-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 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1996-2-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/1324-13-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/1324-15-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/1996-16-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/1996-17-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral1/memory/2768-140-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/1996-291-0x0000000000400000-0x0000000000454000-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_4e04ae53c23c85b945326296df72f5bf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_4e04ae53c23c85b945326296df72f5bf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_4e04ae53c23c85b945326296df72f5bf.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1996 wrote to memory of 1324	1996	JaffaCakes118_4e04ae53c23c85b945326296df72f5bf.exe	28
PID 1996 wrote to memory of 1324	1996	JaffaCakes118_4e04ae53c23c85b945326296df72f5bf.exe	28
PID 1996 wrote to memory of 1324	1996	JaffaCakes118_4e04ae53c23c85b945326296df72f5bf.exe	28
PID 1996 wrote to memory of 1324	1996	JaffaCakes118_4e04ae53c23c85b945326296df72f5bf.exe	28
PID 1996 wrote to memory of 2768	1996	JaffaCakes118_4e04ae53c23c85b945326296df72f5bf.exe	32
PID 1996 wrote to memory of 2768	1996	JaffaCakes118_4e04ae53c23c85b945326296df72f5bf.exe	32
PID 1996 wrote to memory of 2768	1996	JaffaCakes118_4e04ae53c23c85b945326296df72f5bf.exe	32
PID 1996 wrote to memory of 2768	1996	JaffaCakes118_4e04ae53c23c85b945326296df72f5bf.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4e04ae53c23c85b945326296df72f5bf.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4e04ae53c23c85b945326296df72f5bf.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1996
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4e04ae53c23c85b945326296df72f5bf.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4e04ae53c23c85b945326296df72f5bf.exe startC:\Program Files (x86)\LP\32F5\5C6.exe%C:\Program Files (x86)\LP\32F5
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1324
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4e04ae53c23c85b945326296df72f5bf.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4e04ae53c23c85b945326296df72f5bf.exe startC:\Users\Admin\AppData\Roaming\58EB0\AC432.exe%C:\Users\Admin\AppData\Roaming\58EB0
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2768

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\58EB0\0E28.8EB

Filesize
996B

MD5
abedc99a7cef9e035aaaba2050d198e3

SHA1
2ab1b64c0355e74dff2e1b96d76a10e31a8eeb26

SHA256
c8a1fd2b32a7636cd6bccb6da5fec2154e666d9c1a1f53cdf038256dea39eb05

SHA512
7affac1fe183f5d6f88b76bff49b89ee98363c559155cd208acfdb8049f3f43de83c1b202a828fe4df48a6c478a2e7961990dd34e6cf5ca1fbd7c8db1dfa0ab1

Download Submit
C:\Users\Admin\AppData\Roaming\58EB0\0E28.8EB

Filesize
600B

MD5
c77c2ed3d22e5665264e1c3e8aa5f0ce

SHA1
013d9bcdfaec31179b16a3a6be766ea69e874dae

SHA256
0b9d1a3c5c2f4baa7d22736189bcec6d9d065685a554923eac784cb0f0dc381e

SHA512
3e3e1ec89bfb96d61f171d89a21cef108e6e2f61a5aa61a7eabc91eff7ab624b1bd665952d2149376d59814697562d1166d8fc14c8307b432382479780d034c9

Download Submit
C:\Users\Admin\AppData\Roaming\58EB0\0E28.8EB

Filesize
1KB

MD5
ee899ea144b7a372fd63a13a049baad8

SHA1
6723b93ae9e38cb31c0fb6bb32822712eb001a19

SHA256
26f1dbf2d4a2bb77d6cdbf1d5760369898ca9906f83f5ca7f05cea2da493924a

SHA512
072b0dc72e193124c04d862303433b89ad2e00033c328b1d376f76db0de86041d39fd8d644e92d6bc13e8f67bddb69354958d9a88fb4f54d756af1d52f66148d

Download Submit
memory/1324-13-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1324-12-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1324-15-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1996-17-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1996-1-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1996-16-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1996-2-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1996-291-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2768-138-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2768-140-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download

Analysis

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