cycbot | b5594c11132ca3d4a85ddbc38ba6d713e60d6378faead1955277bd6f7c63de8f

General

Target

e02065dd6de002344c388e7bdfbf97a2_JaffaCakes118.exe
Size

186KB
MD5

e02065dd6de002344c388e7bdfbf97a2
SHA1

656541469d8c18b8fe9a9854bbb1c369b7bf1054
SHA256

b5594c11132ca3d4a85ddbc38ba6d713e60d6378faead1955277bd6f7c63de8f
SHA512

997beed2bf97230a7ada298dd8ea358ee7bd7bae256b308cff33de303511655abf7a340b9aea7ad45ff01071c1e90ca33f01dd4b4790cb62a28c2820a0d57cd4
SSDEEP

3072:QLygpWZzpUyotbiI8IlPTsIxCW1wE8Mso/Hz5OsGdrBNT7QnG:QWRKN/QIxCm3hdN3GdrB6n

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/2776-13-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/2504-14-0x0000000000400000-0x0000000000452000-memory.dmp	family_cycbot
behavioral1/memory/2504-15-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/2208-81-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/2504-188-0x0000000000400000-0x0000000000455000-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/2504-2-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2776-12-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2776-13-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2504-14-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral1/memory/2504-15-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2208-80-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2208-81-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2504-188-0x0000000000400000-0x0000000000455000-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	e02065dd6de002344c388e7bdfbf97a2_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e02065dd6de002344c388e7bdfbf97a2_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e02065dd6de002344c388e7bdfbf97a2_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2504 wrote to memory of 2776	2504	e02065dd6de002344c388e7bdfbf97a2_JaffaCakes118.exe	30
PID 2504 wrote to memory of 2776	2504	e02065dd6de002344c388e7bdfbf97a2_JaffaCakes118.exe	30
PID 2504 wrote to memory of 2776	2504	e02065dd6de002344c388e7bdfbf97a2_JaffaCakes118.exe	30
PID 2504 wrote to memory of 2776	2504	e02065dd6de002344c388e7bdfbf97a2_JaffaCakes118.exe	30
PID 2504 wrote to memory of 2208	2504	e02065dd6de002344c388e7bdfbf97a2_JaffaCakes118.exe	32
PID 2504 wrote to memory of 2208	2504	e02065dd6de002344c388e7bdfbf97a2_JaffaCakes118.exe	32
PID 2504 wrote to memory of 2208	2504	e02065dd6de002344c388e7bdfbf97a2_JaffaCakes118.exe	32
PID 2504 wrote to memory of 2208	2504	e02065dd6de002344c388e7bdfbf97a2_JaffaCakes118.exe	32

C:\Users\Admin\AppData\Local\Temp\e02065dd6de002344c388e7bdfbf97a2_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e02065dd6de002344c388e7bdfbf97a2_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2504
- C:\Users\Admin\AppData\Local\Temp\e02065dd6de002344c388e7bdfbf97a2_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\e02065dd6de002344c388e7bdfbf97a2_JaffaCakes118.exe startC:\Program Files (x86)\LP\A39B\E67.exe%C:\Program Files (x86)\LP\A39B
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2776
- C:\Users\Admin\AppData\Local\Temp\e02065dd6de002344c388e7bdfbf97a2_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\e02065dd6de002344c388e7bdfbf97a2_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\BA0BA\FFED3.exe%C:\Users\Admin\AppData\Roaming\BA0BA
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2208

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\BA0BA\A29B.A0B

Filesize
1KB

MD5
c524c6e5f4225a48b3956fed2d088fb4

SHA1
a324276f26da91e97d90587aee0cb922daa33b08

SHA256
a66ecea5be4ca9015b8eb672fd63e5b8f20aaf616e8757f35f455a097242b750

SHA512
e2b49df15c10989db7efc9655025b490ccabbc938718db2df18dcb0153094cfd46b0f6bd590e3d5a934d43b16b856492830e1847ad4c9a8357dbd02a988150e6

Download Submit
C:\Users\Admin\AppData\Roaming\BA0BA\A29B.A0B

Filesize
600B

MD5
2bca813ae99c45cfa3d44517866d65ad

SHA1
8740802f77d2a96c0a252dba91cec19c48f59d1c

SHA256
f9bc8cf9b1363d9dd8ea5804e7cef23b55facf204f57a250e0b883e4c7df5adf

SHA512
d21f9d8044b63ebd1bcdff495dd56cfb34e76b04132377c1e02981465db45205239a2d7198106bbf405963944da737b782c89407b5b276b604f4048437aa9da0

Download Submit
C:\Users\Admin\AppData\Roaming\BA0BA\A29B.A0B

Filesize
996B

MD5
512b622f5bbbb915a1394d50af822769

SHA1
ba308f412d81e3b6409c7e1c12c24f4d9cdf79ca

SHA256
ec81f4359ea3f9e257d3e56114ba4c15b1c8cb2cdb23786bd5a80a8bb0827f48

SHA512
031035548495fd93d3416e4c2bc39c1cd9f0163cf05ac8dea7ba41f766879d432fbb0ec50371ae966bed33b3cac742eace061f2eb46e39d5e16ab1171ac265ba

Download Submit
memory/2208-81-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2208-80-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2504-15-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2504-1-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2504-14-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2504-2-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2504-188-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2776-13-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2776-12-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2776-11-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download

Analysis

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