cycbot | 69d4cff0a2685bad42ec9ea57c2ac4a9f03f1fd8acff789994997b7ec4445a8d

General

Target

JaffaCakes118_aa535764688f0ed048c7ea1c6ef2a6cb.exe
Size

183KB
MD5

aa535764688f0ed048c7ea1c6ef2a6cb
SHA1

35eb24d1e3240f1ffa91840c997eb97a3e705842
SHA256

69d4cff0a2685bad42ec9ea57c2ac4a9f03f1fd8acff789994997b7ec4445a8d
SHA512

623a75012820a473aa1025379856f1f8b8a07f6080334d157840081c73f4b5d3bb70675929f982053921887c10687b6eae43d3d23293dd17ec7793f999e36af2
SSDEEP

3072:yPyKEJRh5WQTQ+3zj5SaOa9x2dPc4V7BHkODYG3e0uibNL0HsTADJR9mfOzS5KS+:iy59Tx3pbOa9wz7uODYL0BNLC/Fnwh+t

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/2256-14-0x0000000000400000-0x000000000044F000-memory.dmp	family_cycbot
behavioral1/memory/1912-15-0x0000000000400000-0x000000000044F000-memory.dmp	family_cycbot
behavioral1/memory/2592-85-0x0000000000400000-0x000000000044F000-memory.dmp	family_cycbot
behavioral1/memory/1912-199-0x0000000000400000-0x000000000044F000-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/1912-2-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral1/memory/2256-12-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral1/memory/2256-13-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral1/memory/2256-14-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral1/memory/1912-15-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral1/memory/2592-84-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral1/memory/2592-85-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral1/memory/1912-199-0x0000000000400000-0x000000000044F000-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_aa535764688f0ed048c7ea1c6ef2a6cb.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1912 wrote to memory of 2256	1912	JaffaCakes118_aa535764688f0ed048c7ea1c6ef2a6cb.exe	28
PID 1912 wrote to memory of 2256	1912	JaffaCakes118_aa535764688f0ed048c7ea1c6ef2a6cb.exe	28
PID 1912 wrote to memory of 2256	1912	JaffaCakes118_aa535764688f0ed048c7ea1c6ef2a6cb.exe	28
PID 1912 wrote to memory of 2256	1912	JaffaCakes118_aa535764688f0ed048c7ea1c6ef2a6cb.exe	28
PID 1912 wrote to memory of 2592	1912	JaffaCakes118_aa535764688f0ed048c7ea1c6ef2a6cb.exe	30
PID 1912 wrote to memory of 2592	1912	JaffaCakes118_aa535764688f0ed048c7ea1c6ef2a6cb.exe	30
PID 1912 wrote to memory of 2592	1912	JaffaCakes118_aa535764688f0ed048c7ea1c6ef2a6cb.exe	30
PID 1912 wrote to memory of 2592	1912	JaffaCakes118_aa535764688f0ed048c7ea1c6ef2a6cb.exe	30

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_aa535764688f0ed048c7ea1c6ef2a6cb.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_aa535764688f0ed048c7ea1c6ef2a6cb.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1912
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_aa535764688f0ed048c7ea1c6ef2a6cb.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_aa535764688f0ed048c7ea1c6ef2a6cb.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  PID:2256
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_aa535764688f0ed048c7ea1c6ef2a6cb.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_aa535764688f0ed048c7ea1c6ef2a6cb.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  PID:2592

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\5628.E16

Filesize
1KB

MD5
b5b66a7a65a9c43015ccf7e961e3cd11

SHA1
29278e21ec6add7e2004bb7be345379ab3e27537

SHA256
b11e035e164d988a109402a8879bf113a4f9632cb07ebf8eb3424431c64dbe28

SHA512
6a3b1634c2adc68aa6741ac5ff59dbfa1ef310f774bd9a317d03273eae3d2feb48e0ea804255a4c92e0509e1b33513faee3973e69301734796a23854e717ab5c

Download Submit
C:\Users\Admin\AppData\Roaming\5628.E16

Filesize
600B

MD5
fac84a604049fda5ad7a81c1ea723d83

SHA1
5d7831b15ecfdb6d22632ad3253499700de1a76c

SHA256
931906ccc6f568a1ebdc61a9762f7dca85b10121761854bf4c0ffc742834fbc3

SHA512
ee3b7f401011c388abbb42b798db7c9dfdcb8e9be9b22a74c941645c35eeed83a768e7a006eff3aa1bbd33e57e2d8090e13742c7ad511528a41cfd8cf7d0c4b0

Download Submit
C:\Users\Admin\AppData\Roaming\5628.E16

Filesize
1KB

MD5
87ae355f468ec05c300a9b56e063ea98

SHA1
8d1d64384a0f593be073fc1cdfb13f8a9f129313

SHA256
ad92a9d8372675a0df089f49b801fe5a99d20b910e7a28267578c32b6892bc50

SHA512
b00215d404d113d97039286da16f4fecb97bee593c7e2f1935c6bfabed312c71c766d7ae1690108456b67c31b632b696cbc40c404a1e282a29ca27084474f0e0

Download Submit
C:\Users\Admin\AppData\Roaming\5628.E16

Filesize
996B

MD5
4cd5884e9cc44f1a77fab3141ffc4d45

SHA1
13dab4acd0ef8ceeb4f1e88f5dec4a6604a29851

SHA256
df40feef874df318015a33afba67ab39f6a481e1b82e3c4dea3911bdc569111c

SHA512
3330bd54f7b07946ae983088c37c487c3ad3835404ff49d517c1ae3148f461d1f62c82eba80d8923680b74af2ccceb142d00bebe1fca7e8e61bc737ca1ac8ae6

Download Submit
memory/1912-1-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/1912-199-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/1912-2-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/1912-15-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2256-13-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2256-14-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2256-12-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2592-85-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2592-84-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2592-83-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download

Analysis

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