cycbot | 2e07becd55af51e8a1df8701670dfd9e0e9d691a13cd40f8c6641b5f62e5bba0

General

Target

JaffaCakes118_95ac0d2977842490a1b278b27ae3ee93.exe
Size

182KB
MD5

95ac0d2977842490a1b278b27ae3ee93
SHA1

506427959b10860337212165f24699c6b9d04b32
SHA256

2e07becd55af51e8a1df8701670dfd9e0e9d691a13cd40f8c6641b5f62e5bba0
SHA512

975b016660ee3b01ed1a04bd2c058553514c680e7820cf2444d50331745d2acd951bab6cce920426ceb4a15597c5ca1593dec5e73789a6ebf7f0cc01f74698af
SSDEEP

3072:r1gIwVlFIVwVt+BevM3XqwaLw8y+E3N9QQ8uBLbkpkQr21f8G6G91Eo7OD:xsIIiqwaLw8FQXQQNBEpHr2JZdGo7O

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/780-13-0x0000000000400000-0x000000000044E000-memory.dmp	family_cycbot
behavioral1/memory/1780-14-0x0000000000400000-0x000000000044E000-memory.dmp	family_cycbot
behavioral1/memory/1780-84-0x0000000000400000-0x000000000044E000-memory.dmp	family_cycbot
behavioral1/memory/2660-87-0x0000000000400000-0x000000000044E000-memory.dmp	family_cycbot
behavioral1/memory/1780-193-0x0000000000400000-0x000000000044E000-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 8 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1780-2-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/780-12-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/780-13-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/1780-14-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/1780-84-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/2660-86-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/2660-87-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/1780-193-0x0000000000400000-0x000000000044E000-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_95ac0d2977842490a1b278b27ae3ee93.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_95ac0d2977842490a1b278b27ae3ee93.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_95ac0d2977842490a1b278b27ae3ee93.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1780 wrote to memory of 780	1780	JaffaCakes118_95ac0d2977842490a1b278b27ae3ee93.exe	31
PID 1780 wrote to memory of 780	1780	JaffaCakes118_95ac0d2977842490a1b278b27ae3ee93.exe	31
PID 1780 wrote to memory of 780	1780	JaffaCakes118_95ac0d2977842490a1b278b27ae3ee93.exe	31
PID 1780 wrote to memory of 780	1780	JaffaCakes118_95ac0d2977842490a1b278b27ae3ee93.exe	31
PID 1780 wrote to memory of 2660	1780	JaffaCakes118_95ac0d2977842490a1b278b27ae3ee93.exe	33
PID 1780 wrote to memory of 2660	1780	JaffaCakes118_95ac0d2977842490a1b278b27ae3ee93.exe	33
PID 1780 wrote to memory of 2660	1780	JaffaCakes118_95ac0d2977842490a1b278b27ae3ee93.exe	33
PID 1780 wrote to memory of 2660	1780	JaffaCakes118_95ac0d2977842490a1b278b27ae3ee93.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_95ac0d2977842490a1b278b27ae3ee93.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_95ac0d2977842490a1b278b27ae3ee93.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1780
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_95ac0d2977842490a1b278b27ae3ee93.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_95ac0d2977842490a1b278b27ae3ee93.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:780
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_95ac0d2977842490a1b278b27ae3ee93.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_95ac0d2977842490a1b278b27ae3ee93.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2660

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\6C6D.6FB

Filesize
1KB

MD5
ad19f6598f15a0ceca47036303242b9e

SHA1
3c799a437ed052970e98cb4abc0bd63a85e0d141

SHA256
956466e30be3ac9e3ba5c27016c6f9b0822610ebe31d10592fefb3fb51f54ff7

SHA512
386dc9074171f326c1d9be1eee24c6d19c0d3fc9bbebffc89f31c0323a1397a0394522e4cc5c4a7ecea73de064a9cc8bdc79ee864c9b1dec1db6af808aa721d5

Download Submit
C:\Users\Admin\AppData\Roaming\6C6D.6FB

Filesize
600B

MD5
77bf4687adb87db98ed423c77a0f8e0c

SHA1
36a3a1267931e4b47b2f111ed9c434a1888828c9

SHA256
fabca295a3a1fe9c8598e4f93ab9a3474d10c68143c08467d4865f7d43ed24a0

SHA512
1db40403983b30abeca713c3c46a4d42dfe58911d60b5c98d104e7a2b388d936514a6ac605ccf1b8bd74018f8ddc8966c27ae716225b6df049277ea1efb36a68

Download Submit
C:\Users\Admin\AppData\Roaming\6C6D.6FB

Filesize
996B

MD5
f2e18e9899aba1314f80e304cfcebbc1

SHA1
cb43d40938763f1ba57d71b59908706011dd0aef

SHA256
0ea46dc7d607c45314c2e547b39003b53357bff7835d3bc43bf14f9c0421934b

SHA512
83f24e19710b80b30c9c5d8de2b42933fb86b056c8d99033b6b7c87a108b5674e2eb8729442d326772158869ab492bf2aafd65c82446e089f85a6ad490467e6f

Download Submit
memory/780-12-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/780-13-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1780-2-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1780-1-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1780-14-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1780-84-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1780-193-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2660-86-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2660-87-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download

Analysis

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