cycbot | 46a06ed5c9e9b8588e0349638a4e79d201e0b63ed40a74b09b808f5c8704c06c

General

Target

da7b33ab779fcfb002f7294d4ec200bf_JaffaCakes118.exe
Size

180KB
MD5

da7b33ab779fcfb002f7294d4ec200bf
SHA1

00b414bc2b13aec21463efb2b2e9e21b5e3b031b
SHA256

46a06ed5c9e9b8588e0349638a4e79d201e0b63ed40a74b09b808f5c8704c06c
SHA512

625f058a9d7fe5747a43840a001cfc10c23198c59ee1d85ab6c3e44c27e4f3f1cb8bd4d21e967f14ccfaa9a35dffb0179965a90bd2873e88df4a85c8adb9cc6f
SSDEEP

3072:3XY8WSqNtMv7nb3kCtdx40LmBVwrDjCggr2h+2XB/PFY:47NtMv7nb3kGdxnm4OrGHx1Y

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/2740-14-0x0000000000400000-0x000000000044E000-memory.dmp	family_cycbot
behavioral1/memory/2372-15-0x0000000000400000-0x000000000044E000-memory.dmp	family_cycbot
behavioral1/memory/1624-80-0x0000000000400000-0x000000000044E000-memory.dmp	family_cycbot
behavioral1/memory/2372-189-0x0000000000400000-0x000000000044E000-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 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2372-2-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/2740-12-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/2740-13-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/2740-14-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/2372-15-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/1624-80-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/2372-189-0x0000000000400000-0x000000000044E000-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	da7b33ab779fcfb002f7294d4ec200bf_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	da7b33ab779fcfb002f7294d4ec200bf_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	da7b33ab779fcfb002f7294d4ec200bf_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2372 wrote to memory of 2740	2372	da7b33ab779fcfb002f7294d4ec200bf_JaffaCakes118.exe	30
PID 2372 wrote to memory of 2740	2372	da7b33ab779fcfb002f7294d4ec200bf_JaffaCakes118.exe	30
PID 2372 wrote to memory of 2740	2372	da7b33ab779fcfb002f7294d4ec200bf_JaffaCakes118.exe	30
PID 2372 wrote to memory of 2740	2372	da7b33ab779fcfb002f7294d4ec200bf_JaffaCakes118.exe	30
PID 2372 wrote to memory of 1624	2372	da7b33ab779fcfb002f7294d4ec200bf_JaffaCakes118.exe	32
PID 2372 wrote to memory of 1624	2372	da7b33ab779fcfb002f7294d4ec200bf_JaffaCakes118.exe	32
PID 2372 wrote to memory of 1624	2372	da7b33ab779fcfb002f7294d4ec200bf_JaffaCakes118.exe	32
PID 2372 wrote to memory of 1624	2372	da7b33ab779fcfb002f7294d4ec200bf_JaffaCakes118.exe	32

C:\Users\Admin\AppData\Local\Temp\da7b33ab779fcfb002f7294d4ec200bf_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\da7b33ab779fcfb002f7294d4ec200bf_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2372
- C:\Users\Admin\AppData\Local\Temp\da7b33ab779fcfb002f7294d4ec200bf_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\da7b33ab779fcfb002f7294d4ec200bf_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2740
- C:\Users\Admin\AppData\Local\Temp\da7b33ab779fcfb002f7294d4ec200bf_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\da7b33ab779fcfb002f7294d4ec200bf_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1624

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\625A.1BB

Filesize
1KB

MD5
be295c530400f16a2af6fc9906795718

SHA1
94fef26a6bdf8e1a256f5e8eba0321bd6f1b12c9

SHA256
d7ebbec7c10b4168a131e1815406e3d2684e6811bf26a59625cfcd441b4db982

SHA512
a8ec9721ec3c5950da44e4a833c20592b77f8dbd2cb1d078f49606ff42ae56a6620ac249cffa9c24fcb8c3609cec126ef36bee13a6cf2b62a8b3190f166c3980

Download Submit
C:\Users\Admin\AppData\Roaming\625A.1BB

Filesize
600B

MD5
e01494f66fa773625264c7ede36211f1

SHA1
b7e6cb7525534f9ef38852777ebc15a6535fe24b

SHA256
d3e57c390460de231cc0d18c80ea146c02a71423023650eb1432b4582841f998

SHA512
329d5a8b7bb2cf3ad98c6fca955f25511f1af11d9896fd88ff6fe01200dbdfa59dbe6541c120c39e6a64294cd994a6c2eca337695753ff2890ca55353004556c

Download Submit
C:\Users\Admin\AppData\Roaming\625A.1BB

Filesize
996B

MD5
ae9c5e40a9cff693f3209cbd7ea562d0

SHA1
352b43286fc0f6a3d7e643a02218fe9194cd22e5

SHA256
5996126bd98aa59c3feb523b1b01de355408a32dae9532568b4cde347f651534

SHA512
18eb66804de4e1f27c9ee32b619faae118fe7dac026e96186e77ff18e9b4afec02f61f36cfda597fbfc5731addf70ab043fa7fe04283bf6dda721d2db0dbe942

Download Submit
memory/1624-80-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2372-1-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2372-2-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2372-15-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2372-189-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2740-12-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2740-13-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2740-14-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download

Analysis

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