cycbot | 4e7f3ba2acffee3a532a4f5516f2d5c6bcb12c6abe6261aa7c37cf6481f2b68b

General

Target

JaffaCakes118_1748a4bd5cd172f7f786a7fb2c1a7dd7.exe
Size

175KB
MD5

1748a4bd5cd172f7f786a7fb2c1a7dd7
SHA1

b5e7cf43c8828d27d3f66dcc354af38aec633dfd
SHA256

4e7f3ba2acffee3a532a4f5516f2d5c6bcb12c6abe6261aa7c37cf6481f2b68b
SHA512

5614fef2efb6801935c63b984939790d0dac4a2039eac226db24dfd9b906c1362c4561fd79b95b497f6a8bbb6d666f54c0dbefa5f5ad66004b0ef51feaa2f500
SSDEEP

3072:VaHqsdAjfrVzzQnPuIXrsPnvqly/OGQHyUfPNk9fUs4+Bu4sj6kTRCBd:VaHqsdATrhzQPfunylFf1k914y3sTdCb

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/2316-7-0x0000000000400000-0x0000000000463000-memory.dmp	family_cycbot
behavioral1/memory/2256-14-0x0000000000400000-0x0000000000463000-memory.dmp	family_cycbot
behavioral1/memory/1028-78-0x0000000000400000-0x0000000000463000-memory.dmp	family_cycbot
behavioral1/memory/2256-178-0x0000000000400000-0x0000000000463000-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/2256-2-0x0000000000400000-0x0000000000463000-memory.dmp	upx
behavioral1/memory/2316-7-0x0000000000400000-0x0000000000463000-memory.dmp	upx
behavioral1/memory/2256-14-0x0000000000400000-0x0000000000463000-memory.dmp	upx
behavioral1/memory/1028-76-0x0000000000400000-0x0000000000463000-memory.dmp	upx
behavioral1/memory/1028-78-0x0000000000400000-0x0000000000463000-memory.dmp	upx
behavioral1/memory/2256-178-0x0000000000400000-0x0000000000463000-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_1748a4bd5cd172f7f786a7fb2c1a7dd7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_1748a4bd5cd172f7f786a7fb2c1a7dd7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_1748a4bd5cd172f7f786a7fb2c1a7dd7.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2256 wrote to memory of 2316	2256	JaffaCakes118_1748a4bd5cd172f7f786a7fb2c1a7dd7.exe	31
PID 2256 wrote to memory of 2316	2256	JaffaCakes118_1748a4bd5cd172f7f786a7fb2c1a7dd7.exe	31
PID 2256 wrote to memory of 2316	2256	JaffaCakes118_1748a4bd5cd172f7f786a7fb2c1a7dd7.exe	31
PID 2256 wrote to memory of 2316	2256	JaffaCakes118_1748a4bd5cd172f7f786a7fb2c1a7dd7.exe	31
PID 2256 wrote to memory of 1028	2256	JaffaCakes118_1748a4bd5cd172f7f786a7fb2c1a7dd7.exe	33
PID 2256 wrote to memory of 1028	2256	JaffaCakes118_1748a4bd5cd172f7f786a7fb2c1a7dd7.exe	33
PID 2256 wrote to memory of 1028	2256	JaffaCakes118_1748a4bd5cd172f7f786a7fb2c1a7dd7.exe	33
PID 2256 wrote to memory of 1028	2256	JaffaCakes118_1748a4bd5cd172f7f786a7fb2c1a7dd7.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1748a4bd5cd172f7f786a7fb2c1a7dd7.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1748a4bd5cd172f7f786a7fb2c1a7dd7.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2256
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1748a4bd5cd172f7f786a7fb2c1a7dd7.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1748a4bd5cd172f7f786a7fb2c1a7dd7.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2316
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1748a4bd5cd172f7f786a7fb2c1a7dd7.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1748a4bd5cd172f7f786a7fb2c1a7dd7.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1028

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\D657.356

Filesize
1KB

MD5
b29751ef2a99713185d59da9d8f2aed0

SHA1
f8f05685e2ebe2622c382feb526a1c1a46055f02

SHA256
facf6f3d177b51fb8b35586e427237eb58711d265feabb3da371c5a029c46f39

SHA512
f1fbd42c65686bf9732d694b99339ac3795b0625382da8ccdfe1d964edf090eb11b69082675c75dd78e0b0256cc76914b349bce796d4bc1bb2d3fd9499d19950

Download Submit
C:\Users\Admin\AppData\Roaming\D657.356

Filesize
600B

MD5
ec0f1c4dffa354dda2a3575b1a68b772

SHA1
47dad117b4866e8c3c7ffa9fb97ea0a1fea141fa

SHA256
0cc18539b351bb0c12f287a93a1b62c77adbe2c88e98fdd83ee91ce02ed44983

SHA512
75d1f39bc0d3a71f39aabbb21d508c3a80d9827af58590f5cff5136efab11c778fcd3fc74f84c7481ae8e231d92efc69d27cbc749552148f3ed975951c2f1543

Download Submit
C:\Users\Admin\AppData\Roaming\D657.356

Filesize
996B

MD5
d480ad265e82ff9d2f5afc757f681440

SHA1
230a7869896f1d353afebdb5e753691c8742a58e

SHA256
eaa84d60e5aa74aa20e87a16701eb612c431874eaa4a604670fe8637e2ffc1d7

SHA512
ba5302ea166ea4fc3b37f70f01ed016e02915470b91964648a50a4084e1a96946d079234cfdb24a1543f020b1a1e5cccdf14161fd64bdb0864dc6783eae46efe

Download Submit
memory/1028-76-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/1028-78-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2256-1-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2256-2-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2256-14-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2256-178-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2316-5-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2316-7-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download

Analysis

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