cycbot | 0191bbffc57c44199f0c1dba0c453d234f67c3cb37de269bc7816c3a834c2a5a

General

Target

f02a24dbcb4027872bcf5ba311311b49_JaffaCakes118.exe
Size

186KB
MD5

f02a24dbcb4027872bcf5ba311311b49
SHA1

110c69e46cabdb3b69a103254a19ef2f5c1ee558
SHA256

0191bbffc57c44199f0c1dba0c453d234f67c3cb37de269bc7816c3a834c2a5a
SHA512

3934fc4df43192e4328d14f0c4331f4fc07e819eb8ee36ab6ca92e309be4964711e79c661e88a273824b73bcbb85c81ff4a138ef2e11c1b9e8546406d078bee3
SSDEEP

3072:Xwmbs5fl43JKsDVOa1O3q/kx/ZYA6Bdw/0OXCq86JGncW+mBpoatYOohm7pEus1g:AmkfuzVOrq/kxBadwnSq8Hfpo0YXwOu7

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/2488-6-0x0000000000400000-0x000000000044E000-memory.dmp	family_cycbot
behavioral1/memory/2676-14-0x0000000000400000-0x000000000044E000-memory.dmp	family_cycbot
behavioral1/memory/2604-81-0x0000000000400000-0x000000000044E000-memory.dmp	family_cycbot
behavioral1/memory/2676-191-0x0000000000400000-0x000000000044E000-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/2676-2-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/2488-5-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/2488-6-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/2676-14-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/2604-81-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/2676-191-0x0000000000400000-0x000000000044E000-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	f02a24dbcb4027872bcf5ba311311b49_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f02a24dbcb4027872bcf5ba311311b49_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f02a24dbcb4027872bcf5ba311311b49_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2676 wrote to memory of 2488	2676	f02a24dbcb4027872bcf5ba311311b49_JaffaCakes118.exe	30
PID 2676 wrote to memory of 2488	2676	f02a24dbcb4027872bcf5ba311311b49_JaffaCakes118.exe	30
PID 2676 wrote to memory of 2488	2676	f02a24dbcb4027872bcf5ba311311b49_JaffaCakes118.exe	30
PID 2676 wrote to memory of 2488	2676	f02a24dbcb4027872bcf5ba311311b49_JaffaCakes118.exe	30
PID 2676 wrote to memory of 2604	2676	f02a24dbcb4027872bcf5ba311311b49_JaffaCakes118.exe	32
PID 2676 wrote to memory of 2604	2676	f02a24dbcb4027872bcf5ba311311b49_JaffaCakes118.exe	32
PID 2676 wrote to memory of 2604	2676	f02a24dbcb4027872bcf5ba311311b49_JaffaCakes118.exe	32
PID 2676 wrote to memory of 2604	2676	f02a24dbcb4027872bcf5ba311311b49_JaffaCakes118.exe	32

C:\Users\Admin\AppData\Local\Temp\f02a24dbcb4027872bcf5ba311311b49_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f02a24dbcb4027872bcf5ba311311b49_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2676
- C:\Users\Admin\AppData\Local\Temp\f02a24dbcb4027872bcf5ba311311b49_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\f02a24dbcb4027872bcf5ba311311b49_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2488
- C:\Users\Admin\AppData\Local\Temp\f02a24dbcb4027872bcf5ba311311b49_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\f02a24dbcb4027872bcf5ba311311b49_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2604

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\6100.116

Filesize
1KB

MD5
e427724e2d80ca388b9433905edcd08b

SHA1
eaf9e74a9916afb0a53e8e1d198d5ea539b3256a

SHA256
37a8cdff5f90ad9d833caa303884d90f3f31b22c68790a697e3fb1ef75a87cd8

SHA512
4bbdbc62d8c28b2eda5a3c6f769dcfc56edc68ffb52e8d433aa07bf041f055255dcc4e8f858e528440b83b90de76dea1b5c83fca21aeee8ac61008c10e35c815

Download Submit
C:\Users\Admin\AppData\Roaming\6100.116

Filesize
600B

MD5
f1872b0f1446a7059a762a9818523171

SHA1
8135ea7c2b1b1ac89f72a08048eb199540408a0f

SHA256
88ff333f58a333b32ebb3c72fcddfb822f5c654ddf889abdb1b3154ef7829537

SHA512
805807b2d96702ce7bba4fe47e3c36b2ae7cab0e933f421db4ebe655c3b50224ce11ab02791becf0439f38a8ef9ba4dc210f26296e48d0b216cce136129b18aa

Download Submit
C:\Users\Admin\AppData\Roaming\6100.116

Filesize
996B

MD5
522962c168294f2c5856129c0de0445b

SHA1
bd1d92e00fb89c4686901ac64d7df07dbb0d402f

SHA256
1aa680c54977417c904d053a53b5851d082f96248c8596ba3d82dfc985bd3abb

SHA512
d088978823059dd10b95c332d3885396f0284e516a026a8c2719f17b045c2dee965698b3698145de487a98f6d83ddf14571a56ca09533e1f174115133cae3825

Download Submit
memory/2488-5-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2488-6-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2604-81-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2676-1-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2676-2-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2676-14-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2676-191-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download

Analysis

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