cycbot | 25c3266b22e4ada9c1ffff1a383c9cf873e293f847296e98235d24c09f13cef2

General

Target

JaffaCakes118_eb73f2c78e339f39bcb636a843e8c083.exe
Size

175KB
MD5

eb73f2c78e339f39bcb636a843e8c083
SHA1

3d65ba4fc1a9953ef20eec715c29f7edfd323211
SHA256

25c3266b22e4ada9c1ffff1a383c9cf873e293f847296e98235d24c09f13cef2
SHA512

bd06574bf1a297c596e988e90b2ba52b4d498b326a081b115f6e3ba8aa9c584e174a7334aad0ad03a91d557730651e603d597d3f13d1651c6d13cc6159d67af8
SSDEEP

3072:ASZlGpwW2QnGISR/sNBE78oryFsY45Q3EuPz9JFp+Oyl8oiiZdWKOO:ASZ+72Qn7C/4a8orNh5QUuPDSJWoBd2O

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/2320-15-0x0000000000400000-0x000000000046F000-memory.dmp	family_cycbot
behavioral1/memory/2520-16-0x0000000000400000-0x000000000046F000-memory.dmp	family_cycbot
behavioral1/memory/2304-81-0x0000000000400000-0x000000000046F000-memory.dmp	family_cycbot
behavioral1/memory/2520-188-0x0000000000400000-0x000000000046F000-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/2520-2-0x0000000000400000-0x000000000046F000-memory.dmp	upx
behavioral1/memory/2320-15-0x0000000000400000-0x000000000046F000-memory.dmp	upx
behavioral1/memory/2320-14-0x0000000000400000-0x000000000046F000-memory.dmp	upx
behavioral1/memory/2520-16-0x0000000000400000-0x000000000046F000-memory.dmp	upx
behavioral1/memory/2304-79-0x0000000000400000-0x000000000046F000-memory.dmp	upx
behavioral1/memory/2304-81-0x0000000000400000-0x000000000046F000-memory.dmp	upx
behavioral1/memory/2520-188-0x0000000000400000-0x000000000046F000-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_eb73f2c78e339f39bcb636a843e8c083.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_eb73f2c78e339f39bcb636a843e8c083.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_eb73f2c78e339f39bcb636a843e8c083.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2520 wrote to memory of 2320	2520	JaffaCakes118_eb73f2c78e339f39bcb636a843e8c083.exe	30
PID 2520 wrote to memory of 2320	2520	JaffaCakes118_eb73f2c78e339f39bcb636a843e8c083.exe	30
PID 2520 wrote to memory of 2320	2520	JaffaCakes118_eb73f2c78e339f39bcb636a843e8c083.exe	30
PID 2520 wrote to memory of 2320	2520	JaffaCakes118_eb73f2c78e339f39bcb636a843e8c083.exe	30
PID 2520 wrote to memory of 2304	2520	JaffaCakes118_eb73f2c78e339f39bcb636a843e8c083.exe	32
PID 2520 wrote to memory of 2304	2520	JaffaCakes118_eb73f2c78e339f39bcb636a843e8c083.exe	32
PID 2520 wrote to memory of 2304	2520	JaffaCakes118_eb73f2c78e339f39bcb636a843e8c083.exe	32
PID 2520 wrote to memory of 2304	2520	JaffaCakes118_eb73f2c78e339f39bcb636a843e8c083.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_eb73f2c78e339f39bcb636a843e8c083.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_eb73f2c78e339f39bcb636a843e8c083.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2520
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_eb73f2c78e339f39bcb636a843e8c083.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_eb73f2c78e339f39bcb636a843e8c083.exe startC:\Program Files (x86)\Internet Explorer\D3AF\9C5.exe%C:\Program Files (x86)\Internet Explorer\D3AF
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2320
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_eb73f2c78e339f39bcb636a843e8c083.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_eb73f2c78e339f39bcb636a843e8c083.exe startC:\Users\Admin\AppData\Roaming\FEA92\BBED3.exe%C:\Users\Admin\AppData\Roaming\FEA92
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2304

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\FEA92\257E.EA9

Filesize
1KB

MD5
7eae1e03dab50f0cb297bf38e24b2ca0

SHA1
c3ac9012d257974e8d577e71672c1e9e04e8db68

SHA256
8544fe42132aa80d1babc6b58df6c74423ac884acb603d483b5273b5d7770d41

SHA512
1874f45d873a8c8a923ae8cabb5221c953e0408c8147b2eceaad0427d727f84f4b53d85adc5438cf21374f4af75a6cda0bd9dee0d942db074c8fb52833a0a06f

Download Submit
C:\Users\Admin\AppData\Roaming\FEA92\257E.EA9

Filesize
600B

MD5
0876a96a0ddf9c3cb1e45c8262dd0d95

SHA1
ce32c07f7d45d842003d073d8c7cd4c8ae87ae90

SHA256
62c8ad6b459e1b1365313f3139bcae29aeb0ad6101320256696982ce704b5b52

SHA512
d41966d7744c41edaa6455501b35fe24e40db29d20bce1a7d8d85814f73c2284380b676f7e53762c43f271acc7ad5706a15abcdc4fc87219a49cdc9326226cdb

Download Submit
C:\Users\Admin\AppData\Roaming\FEA92\257E.EA9

Filesize
996B

MD5
dead79dfa9a2af9864bbd567e53b8ee5

SHA1
540c0f934265f085d5fe2e4df9f7c106734f60cf

SHA256
ca7b355b662bbbc3b9f45578b8c8ed079d3d613c56334bdc4a1604f449df8766

SHA512
4a3bd1a0145dfbe485d02b915ec161b30bacb35c24aac2a09f0fc57635e310051fcf0f132a1d2ba8f83c6fb190c531fa04fedc549a38606c79e852b3d0a4f6a6

Download Submit
memory/2304-79-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download
memory/2304-81-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download
memory/2320-12-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download
memory/2320-15-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download
memory/2320-14-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download
memory/2520-1-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download
memory/2520-2-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download
memory/2520-16-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download
memory/2520-188-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download

Analysis

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