cycbot | c50b8784bdb9e7042be8780bfc29a1383ae374eb113ca85ef1ae5f240ffb0374

General

Target

JaffaCakes118_09bf2871366bd659106ef87a730dbb93.exe
Size

187KB
MD5

09bf2871366bd659106ef87a730dbb93
SHA1

0def6e2171f09a8f46560eb1b08d2f331b61d3b8
SHA256

c50b8784bdb9e7042be8780bfc29a1383ae374eb113ca85ef1ae5f240ffb0374
SHA512

7c4b5fd67b8deb48d02a8283ad7a93e07bbadffcea40b1e7d2d84fc375cf8c8f66a94d51126d273c9d867d56bd39c6dcf1140e2effbca3e434b9c23b0ec8603f
SSDEEP

3072:6ln1hM7rnOC9PqblNEs9W20+6aPl69QVrjIbO+1Bausz7w7EJ80JGZTnj:6ln1anOkPqbl2sUuPl6WIC+oE90wTnj

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/2880-16-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/1972-17-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/1972-18-0x0000000000400000-0x0000000000452000-memory.dmp	family_cycbot
behavioral1/memory/1608-130-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/1972-297-0x0000000000400000-0x0000000000455000-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/1972-3-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2880-14-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2880-16-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/1972-17-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/1972-18-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral1/memory/1608-128-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/1608-130-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/1972-297-0x0000000000400000-0x0000000000455000-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_09bf2871366bd659106ef87a730dbb93.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_09bf2871366bd659106ef87a730dbb93.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_09bf2871366bd659106ef87a730dbb93.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1972 wrote to memory of 2880	1972	JaffaCakes118_09bf2871366bd659106ef87a730dbb93.exe	30
PID 1972 wrote to memory of 2880	1972	JaffaCakes118_09bf2871366bd659106ef87a730dbb93.exe	30
PID 1972 wrote to memory of 2880	1972	JaffaCakes118_09bf2871366bd659106ef87a730dbb93.exe	30
PID 1972 wrote to memory of 2880	1972	JaffaCakes118_09bf2871366bd659106ef87a730dbb93.exe	30
PID 1972 wrote to memory of 1608	1972	JaffaCakes118_09bf2871366bd659106ef87a730dbb93.exe	33
PID 1972 wrote to memory of 1608	1972	JaffaCakes118_09bf2871366bd659106ef87a730dbb93.exe	33
PID 1972 wrote to memory of 1608	1972	JaffaCakes118_09bf2871366bd659106ef87a730dbb93.exe	33
PID 1972 wrote to memory of 1608	1972	JaffaCakes118_09bf2871366bd659106ef87a730dbb93.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_09bf2871366bd659106ef87a730dbb93.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_09bf2871366bd659106ef87a730dbb93.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1972
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_09bf2871366bd659106ef87a730dbb93.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_09bf2871366bd659106ef87a730dbb93.exe startC:\Program Files (x86)\LP\5E12\424.exe%C:\Program Files (x86)\LP\5E12
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2880
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_09bf2871366bd659106ef87a730dbb93.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_09bf2871366bd659106ef87a730dbb93.exe startC:\Users\Admin\AppData\Roaming\2EE4D\AAF5E.exe%C:\Users\Admin\AppData\Roaming\2EE4D
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1608

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\2EE4D\D9E4.EE4

Filesize
996B

MD5
d03d00ba414006c2ca53c9db2bdcf738

SHA1
ea6bdf95e11e1786905bbc9510d8bfdc805ceb94

SHA256
94fde5896f2fc6b625b45edd3d153093de77f875538f99ef2b1fb443f2127a31

SHA512
a441b55771b48bcff0bdc0f7e2b4687f5cc8811ede7f50b1b94afff5bf6113a1faf2573ae5c5f6710fea8d8f6e03118620135c7959a1edd5aa1028a776265443

Download Submit
C:\Users\Admin\AppData\Roaming\2EE4D\D9E4.EE4

Filesize
600B

MD5
0e7c4d964f0579732287a042b0ca093d

SHA1
9386dd9fd8f42cf2c973d1b3fedbf1e8d3b39939

SHA256
c1843e6edd7c4012d128c8748f2f5386183e51fee6720d15c6c1c8f607453d18

SHA512
7ae4ee8d4cce4741a0940d76bc5fd3fb559eb6e1bcd2c8c6caf50685777d327610f8be230abbbd01184cdd339c3c75dc3c486139ec74484a115162fd32288b23

Download Submit
C:\Users\Admin\AppData\Roaming\2EE4D\D9E4.EE4

Filesize
1KB

MD5
2868c4c3daa813f86744bca057e48a61

SHA1
7a4fa40d58177f41268b57818c8df975542ad3e1

SHA256
bc8000d42bf4ad4f8fd8afab9bdc12378c02c07ec10e55a889b58d7d4ff9c8f3

SHA512
af3cbbfad056d126dec42c06f18df60953ca1fb38c0e8af81d00ade45e28d155631d7677c01c4896d695ba9c2e67e5214931a1d5afd305bde2d003a3fffb4a7e

Download Submit
memory/1608-130-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/1608-128-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/1972-17-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/1972-0-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/1972-18-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1972-3-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/1972-2-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1972-297-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2880-16-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2880-13-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2880-14-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download

Analysis

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