cycbot | be1f65d9537dcb5f4f81724834d80692575b7817e34ed0a0a84686d4e2e53dd7

General

Target

edf6ca9d5b98c91415ccf111b558edca_JaffaCakes118.exe
Size

199KB
MD5

edf6ca9d5b98c91415ccf111b558edca
SHA1

68626b8b39bee844a3e3650338aac30e8c297f61
SHA256

be1f65d9537dcb5f4f81724834d80692575b7817e34ed0a0a84686d4e2e53dd7
SHA512

c9ef41c68a0a8155ddc7ac00b341c795df61da36db8e9ef09cc54164ba4c16fff1bdb5af4a577f7fa7f48f1f92a805ce56ee243365d0faa48d5e853b3d5c602b
SSDEEP

6144:xqHhNbbqGSrQf2Q7846hSnwt1JRThXjE:cHPbb32QJw5bXo

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/2316-7-0x0000000000400000-0x000000000044D000-memory.dmp	family_cycbot
behavioral1/memory/2256-14-0x0000000000400000-0x000000000044D000-memory.dmp	family_cycbot
behavioral1/memory/2256-72-0x0000000000400000-0x000000000044D000-memory.dmp	family_cycbot
behavioral1/memory/3060-76-0x0000000000400000-0x000000000044D000-memory.dmp	family_cycbot
behavioral1/memory/2256-160-0x0000000000400000-0x000000000044D000-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/2256-2-0x0000000000400000-0x000000000044D000-memory.dmp	upx
behavioral1/memory/2316-5-0x0000000000400000-0x000000000044D000-memory.dmp	upx
behavioral1/memory/2316-7-0x0000000000400000-0x000000000044D000-memory.dmp	upx
behavioral1/memory/2256-14-0x0000000000400000-0x000000000044D000-memory.dmp	upx
behavioral1/memory/2256-72-0x0000000000400000-0x000000000044D000-memory.dmp	upx
behavioral1/memory/3060-74-0x0000000000400000-0x000000000044D000-memory.dmp	upx
behavioral1/memory/3060-76-0x0000000000400000-0x000000000044D000-memory.dmp	upx
behavioral1/memory/2256-160-0x0000000000400000-0x000000000044D000-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	edf6ca9d5b98c91415ccf111b558edca_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	edf6ca9d5b98c91415ccf111b558edca_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	edf6ca9d5b98c91415ccf111b558edca_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2256 wrote to memory of 2316	2256	edf6ca9d5b98c91415ccf111b558edca_JaffaCakes118.exe	31
PID 2256 wrote to memory of 2316	2256	edf6ca9d5b98c91415ccf111b558edca_JaffaCakes118.exe	31
PID 2256 wrote to memory of 2316	2256	edf6ca9d5b98c91415ccf111b558edca_JaffaCakes118.exe	31
PID 2256 wrote to memory of 2316	2256	edf6ca9d5b98c91415ccf111b558edca_JaffaCakes118.exe	31
PID 2256 wrote to memory of 3060	2256	edf6ca9d5b98c91415ccf111b558edca_JaffaCakes118.exe	33
PID 2256 wrote to memory of 3060	2256	edf6ca9d5b98c91415ccf111b558edca_JaffaCakes118.exe	33
PID 2256 wrote to memory of 3060	2256	edf6ca9d5b98c91415ccf111b558edca_JaffaCakes118.exe	33
PID 2256 wrote to memory of 3060	2256	edf6ca9d5b98c91415ccf111b558edca_JaffaCakes118.exe	33

C:\Users\Admin\AppData\Local\Temp\edf6ca9d5b98c91415ccf111b558edca_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\edf6ca9d5b98c91415ccf111b558edca_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2256
- C:\Users\Admin\AppData\Local\Temp\edf6ca9d5b98c91415ccf111b558edca_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\edf6ca9d5b98c91415ccf111b558edca_JaffaCakes118.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\edf6ca9d5b98c91415ccf111b558edca_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\edf6ca9d5b98c91415ccf111b558edca_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3060

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\3C91.0CD

Filesize
1KB

MD5
74c914c4260aa830e75554c62328c77d

SHA1
8531af23d31ad0a177aef81ced12dfc8f44306d9

SHA256
bb6251b9baa7b1a3a0295586b25ef1d3fdb56d4e4b0d1ab3471a3c8339486778

SHA512
f5870e92662c3a296f6df35e879ad957ae1f68d8eb2155885f74972b7de316bf4ea1f777eb005691d48e9a3f6b378d02cde26eec18df4cb977f9f9b85fb055a9

Download Submit
C:\Users\Admin\AppData\Roaming\3C91.0CD

Filesize
600B

MD5
ab40e46e4864761e118dee3120862dde

SHA1
37e5b94cd435fe30368fc3451bae9aa39bddd4e1

SHA256
131b2446219f9a58baf6c3990aa4f03e1c8811245023fe8e52ee927d4cf3a6d1

SHA512
306a4d42efaf9427e9d1d336f5771bdfa39cf6f2043a5f10a2bd07f07425523dc6825ee1dda68fd87267fed0c13dc4c6042bd06a61843dbf5054ce00eb7d2434

Download Submit
C:\Users\Admin\AppData\Roaming\3C91.0CD

Filesize
996B

MD5
5a2645f733c6cea92c15fba1f997a1a0

SHA1
e4ae0a2e7d180a4d71abc89ff951aeb271a96c17

SHA256
7d3fbc0a06a9641ba0d9b1427ac62c454bba0765e9e59820fd62ef08af6ae513

SHA512
6b7fdf1021b37c57dfb5e626b434badac9106dd8eb3e0e39860e58a1a877aa47ae73829e5c73fca60d8d8ee2912c0b40af7a9e2849d7982348d88cd8b294f4e0

Download Submit
memory/2256-1-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/2256-2-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/2256-14-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/2256-72-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/2256-160-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/2316-5-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/2316-7-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/3060-74-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/3060-76-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download

Analysis

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