cycbot | a30f67a26663ebc6973317fe0354660e1b7beb4c4d8b04108a5ea3a6d3fbc9d6

General

Target

JaffaCakes118_9265ce4b240f3c281fd87c1dc632c669.exe
Size

181KB
MD5

9265ce4b240f3c281fd87c1dc632c669
SHA1

daa047702af56feb0cbbd4967a8e935222d187dd
SHA256

a30f67a26663ebc6973317fe0354660e1b7beb4c4d8b04108a5ea3a6d3fbc9d6
SHA512

3a8e82644bd1b0b890213fe6094781f1221812947913f593ef8a37310485ff99987fa6cfa99d2b0b56e95af479121a250822484dfa23c055485d4e601ae2a5b4
SSDEEP

3072:a6SZtSiXmafJzHfpJvyyY3a2XiIAusM6eUKZ7WJblQ/U:a6KSiWaf8y+yIt6eBYw8

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/1892-10-0x0000000000400000-0x000000000044E000-memory.dmp	family_cycbot
behavioral1/memory/2104-15-0x0000000000400000-0x000000000044E000-memory.dmp	family_cycbot
behavioral1/memory/2508-92-0x0000000000400000-0x000000000044E000-memory.dmp	family_cycbot
behavioral1/memory/2508-91-0x0000000000400000-0x000000000044E000-memory.dmp	family_cycbot
behavioral1/memory/2104-199-0x0000000000400000-0x000000000044E000-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/2104-2-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/1892-8-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/1892-10-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/2104-15-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/2508-92-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/2508-91-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/2104-199-0x0000000000400000-0x000000000044E000-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	JaffaCakes118_9265ce4b240f3c281fd87c1dc632c669.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_9265ce4b240f3c281fd87c1dc632c669.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_9265ce4b240f3c281fd87c1dc632c669.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2104 wrote to memory of 1892	2104	JaffaCakes118_9265ce4b240f3c281fd87c1dc632c669.exe	30
PID 2104 wrote to memory of 1892	2104	JaffaCakes118_9265ce4b240f3c281fd87c1dc632c669.exe	30
PID 2104 wrote to memory of 1892	2104	JaffaCakes118_9265ce4b240f3c281fd87c1dc632c669.exe	30
PID 2104 wrote to memory of 1892	2104	JaffaCakes118_9265ce4b240f3c281fd87c1dc632c669.exe	30
PID 2104 wrote to memory of 2508	2104	JaffaCakes118_9265ce4b240f3c281fd87c1dc632c669.exe	32
PID 2104 wrote to memory of 2508	2104	JaffaCakes118_9265ce4b240f3c281fd87c1dc632c669.exe	32
PID 2104 wrote to memory of 2508	2104	JaffaCakes118_9265ce4b240f3c281fd87c1dc632c669.exe	32
PID 2104 wrote to memory of 2508	2104	JaffaCakes118_9265ce4b240f3c281fd87c1dc632c669.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9265ce4b240f3c281fd87c1dc632c669.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9265ce4b240f3c281fd87c1dc632c669.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2104
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9265ce4b240f3c281fd87c1dc632c669.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9265ce4b240f3c281fd87c1dc632c669.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1892
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9265ce4b240f3c281fd87c1dc632c669.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9265ce4b240f3c281fd87c1dc632c669.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2508

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\3DA9.EA4

Filesize
1KB

MD5
c71fc8722ddafdec764cf19c8545da2e

SHA1
0295e3a65e1e159d8a1ad691e3f6e030614781a7

SHA256
e47fe5ffb1b5e3d33efe17ee611a685e2fdec58f1274023e3659004005ddc348

SHA512
90160c50d91f1898e31d31cd7a3710247dc6793a5b569e73d498da681291d29f57617294a810376ad33aebc8847747bdc0d50b731688c53fdcccee314c738603

Download Submit
C:\Users\Admin\AppData\Roaming\3DA9.EA4

Filesize
600B

MD5
3cd7491d3b0868ba111b8abe64db7da4

SHA1
5251a5b4967aa1df8644c6e777200f1e425cca65

SHA256
551dc5fcb6f8f1c37c1112f142c3f0fadcb9fe538953afe014088e85861d5157

SHA512
0535cbadae42a50e2cbd318f521072eadb6c798de301dceb64601d1e0ae49fe57e730e0cde3fdddda10ce23af51f48fc4e9023bb01f604c201301c351bfedc33

Download Submit
memory/1892-8-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1892-10-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2104-1-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2104-2-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2104-15-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2104-199-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2508-89-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2508-92-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2508-91-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download

Analysis

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