cycbot | 13b5f15799beedb19ebbaebda1e2907f3736be18d2f8f328ffbe3f4ea056450b

General

Target

JaffaCakes118_44cc3c802fd02f134929bc18c79c5b54.exe
Size

185KB
MD5

44cc3c802fd02f134929bc18c79c5b54
SHA1

4b02948c1f2ef73a71aa7212649b8aa4a50cf0b3
SHA256

13b5f15799beedb19ebbaebda1e2907f3736be18d2f8f328ffbe3f4ea056450b
SHA512

baf9cc73843d92070ec0e191714cd12ba26318b1e59f81eb09063c6bbd907ed254aaf1d5265b8ac1fc219d7936fa94bea1b894b5add2c2c40d641729d50224d6
SSDEEP

3072:pGSyJii04Cjd9nRARiyiHBLilOPAys0CXAORDQNA8RISOJ4OyDeMhCtZ18/fLe0p:pGSti04GR6iL4byLtOsQSEDySMKZ18bx

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 6 IoCs

Cycbot is a backdoor and trojan written in C++.

resource	yara_rule
behavioral1/memory/2092-14-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/2092-13-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/2120-15-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/2120-16-0x0000000000400000-0x0000000000452000-memory.dmp	family_cycbot
behavioral1/memory/1716-127-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/2120-282-0x0000000000400000-0x0000000000455000-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/2120-2-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2092-14-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2092-13-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2120-15-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2120-16-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral1/memory/1716-126-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/1716-127-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2120-282-0x0000000000400000-0x0000000000455000-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_44cc3c802fd02f134929bc18c79c5b54.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_44cc3c802fd02f134929bc18c79c5b54.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_44cc3c802fd02f134929bc18c79c5b54.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2120 wrote to memory of 2092	2120	JaffaCakes118_44cc3c802fd02f134929bc18c79c5b54.exe	30
PID 2120 wrote to memory of 2092	2120	JaffaCakes118_44cc3c802fd02f134929bc18c79c5b54.exe	30
PID 2120 wrote to memory of 2092	2120	JaffaCakes118_44cc3c802fd02f134929bc18c79c5b54.exe	30
PID 2120 wrote to memory of 2092	2120	JaffaCakes118_44cc3c802fd02f134929bc18c79c5b54.exe	30
PID 2120 wrote to memory of 1716	2120	JaffaCakes118_44cc3c802fd02f134929bc18c79c5b54.exe	32
PID 2120 wrote to memory of 1716	2120	JaffaCakes118_44cc3c802fd02f134929bc18c79c5b54.exe	32
PID 2120 wrote to memory of 1716	2120	JaffaCakes118_44cc3c802fd02f134929bc18c79c5b54.exe	32
PID 2120 wrote to memory of 1716	2120	JaffaCakes118_44cc3c802fd02f134929bc18c79c5b54.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_44cc3c802fd02f134929bc18c79c5b54.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_44cc3c802fd02f134929bc18c79c5b54.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2120
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_44cc3c802fd02f134929bc18c79c5b54.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_44cc3c802fd02f134929bc18c79c5b54.exe startC:\Program Files (x86)\LP\1DB9\A42.exe%C:\Program Files (x86)\LP\1DB9
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2092
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_44cc3c802fd02f134929bc18c79c5b54.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_44cc3c802fd02f134929bc18c79c5b54.exe startC:\Users\Admin\AppData\Roaming\99E18\1F41D.exe%C:\Users\Admin\AppData\Roaming\99E18
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1716

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\99E18\8B1F.9E1

Filesize
996B

MD5
25430d5132d3380922c3fbbf99a8a839

SHA1
78c6b89f51fc855bddb8454fa6fbeb13f69bafb1

SHA256
02fa65ad53156197bd89fb4ca505d014f0387aafce4dcef831cb2aeea9be3b90

SHA512
3b0cd081b79bb243f07e7e17c1cae986873212ad6c1f89b005a2fe23cbf59bb3e27539bbb260d6761d4e480ab9b5f3965137a3cb033c201359c2f57c9031ba6c

Download Submit
C:\Users\Admin\AppData\Roaming\99E18\8B1F.9E1

Filesize
1KB

MD5
5e0e969e0b09d49ada18887273740c9a

SHA1
50c2658c982ff735d106f6ad3310bdf4b8dbedc0

SHA256
0f98b849ece175d0507350237b9459ea8292afee5f5446b1c56dd5bdc194f7b9

SHA512
0a65bfd1b5d2a4e2e4b9d5b67275a6b18e56ec185b25a8fd7549a77fdc164f00cf5d5f4c9fd8990088c8b6b39529de785178b5b6345943cfbf14471a3c921730

Download Submit
C:\Users\Admin\AppData\Roaming\99E18\8B1F.9E1

Filesize
600B

MD5
3a3a50372612aeaf1baec3ed72683315

SHA1
876a2dc1773b8bf649af7db2caaa247b3fa8bc7a

SHA256
3c4bb01c8efd2738e3683c8956ec45134b27245db52e6943ff129d992babbfb7

SHA512
b47d0a88a6a0db19b637becc42a790d897d72ce33ed53a004a34ab00293d1f58c55dace24f6eced055288d8ef89376298697084272d096d1174c39d279ec771a

Download Submit
memory/1716-126-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/1716-127-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2092-11-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2092-13-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2092-14-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2120-15-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2120-16-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2120-1-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2120-2-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2120-282-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download

Analysis

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