cycbot | 1b4105e70d8bb88355d157cd890326fdc68cde839ced3d32d935789a5ce49c92

General

Target

JaffaCakes118_207e60f5944a922ef350cd10b87f3d90.exe
Size

169KB
MD5

207e60f5944a922ef350cd10b87f3d90
SHA1

84b0aec2d8c4a5ac5b689f5b92acefdeae15806e
SHA256

1b4105e70d8bb88355d157cd890326fdc68cde839ced3d32d935789a5ce49c92
SHA512

690c06a2e28e20b2a63c65bbb47c9be0714863134ec93db324e845e45d44f2c4b29273502fdb0d9519f27d03f6df59c2e5d451cdc9f714000e834ab0471d00cd
SSDEEP

3072:CC7hr8gmFmfETEHFJXeJAWh5GZsiGbkEjJ1++t5/a12eehGDtOMw:CO4gemfFJXE5GZu4EVY+H/aoGDt

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/2076-15-0x0000000000400000-0x000000000046A000-memory.dmp	family_cycbot
behavioral1/memory/2448-16-0x0000000000400000-0x000000000046A000-memory.dmp	family_cycbot
behavioral1/memory/3032-73-0x0000000000400000-0x000000000046A000-memory.dmp	family_cycbot
behavioral1/memory/2448-173-0x0000000000400000-0x000000000046A000-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 7 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2448-2-0x0000000000400000-0x000000000046A000-memory.dmp	upx
behavioral1/memory/2076-14-0x0000000000400000-0x000000000046A000-memory.dmp	upx
behavioral1/memory/2076-15-0x0000000000400000-0x000000000046A000-memory.dmp	upx
behavioral1/memory/2448-16-0x0000000000400000-0x000000000046A000-memory.dmp	upx
behavioral1/memory/3032-71-0x0000000000400000-0x000000000046A000-memory.dmp	upx
behavioral1/memory/3032-73-0x0000000000400000-0x000000000046A000-memory.dmp	upx
behavioral1/memory/2448-173-0x0000000000400000-0x000000000046A000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 1 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_207e60f5944a922ef350cd10b87f3d90.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2448 wrote to memory of 2076	2448	JaffaCakes118_207e60f5944a922ef350cd10b87f3d90.exe	31
PID 2448 wrote to memory of 2076	2448	JaffaCakes118_207e60f5944a922ef350cd10b87f3d90.exe	31
PID 2448 wrote to memory of 2076	2448	JaffaCakes118_207e60f5944a922ef350cd10b87f3d90.exe	31
PID 2448 wrote to memory of 2076	2448	JaffaCakes118_207e60f5944a922ef350cd10b87f3d90.exe	31
PID 2448 wrote to memory of 3032	2448	JaffaCakes118_207e60f5944a922ef350cd10b87f3d90.exe	33
PID 2448 wrote to memory of 3032	2448	JaffaCakes118_207e60f5944a922ef350cd10b87f3d90.exe	33
PID 2448 wrote to memory of 3032	2448	JaffaCakes118_207e60f5944a922ef350cd10b87f3d90.exe	33
PID 2448 wrote to memory of 3032	2448	JaffaCakes118_207e60f5944a922ef350cd10b87f3d90.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_207e60f5944a922ef350cd10b87f3d90.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_207e60f5944a922ef350cd10b87f3d90.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2448
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_207e60f5944a922ef350cd10b87f3d90.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_207e60f5944a922ef350cd10b87f3d90.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  PID:2076
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_207e60f5944a922ef350cd10b87f3d90.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_207e60f5944a922ef350cd10b87f3d90.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  PID:3032

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\C784.F7E

Filesize
1KB

MD5
4a65eb14546b972ec263ab850f13c6f1

SHA1
30ef65627ed05839495d4202cdf50498d997c6f0

SHA256
4bb13f10f7fdf0830f1294854beff090621adafdc48df34dcbe38f25a92fadd1

SHA512
122071dd9065bee3eefbfc4016c219f94f03b9cd0d5e30c8eec4f459df3ea02b7a120f55dd33834086558770471ccabe95b91a42f100a665174d8f0cdc24bd32

Download Submit
C:\Users\Admin\AppData\Roaming\C784.F7E

Filesize
600B

MD5
502c5fb83ac09c9ffe68b427bfd4f011

SHA1
b4d40d26d6aa57bd6b5246f1c23ae612a31b525f

SHA256
a9fce62fa2104b1fb7b61a9199fe6e1d4b98df9745531e2464345ec294220c9a

SHA512
c5677e9acb8caac70b72e170db82bc307d2b05cc5a3a44c254321556d0f63adf8c5d44ade91d0d465a1b9d3343d1db131355aa3f3a698a55a7bc262d545d5abb

Download Submit
C:\Users\Admin\AppData\Roaming\C784.F7E

Filesize
996B

MD5
4a5df66d10b6cb999c2dd0de850f3e48

SHA1
9a5d670da2681c9344952ee1f6f4d8d8ed121f7a

SHA256
792c8d12c3494bdd0f92c02227e49ba22eb0ac16d6dbef39b38809e9e7fa3693

SHA512
d6556eb246e9154680e849fef1c1d936926e9037fa473808318cf443a3b90dc86ea5c00d940e5a7b4dbebef0c937ba01b352bc502ad8802b78e003e4efd6a34c

Download Submit
memory/2076-12-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/2076-14-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/2076-15-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/2448-1-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/2448-2-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/2448-16-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/2448-173-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/3032-71-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/3032-73-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download

Analysis

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