cycbot | 02c7c5e8d0668fc497d038ee7a40459fa808e0a2043523a8012ac5a6e902fa5d

General

Target

9cde8a5dca13bcb95189dfbf7a7eebcb_JaffaCakes118.exe
Size

194KB
MD5

9cde8a5dca13bcb95189dfbf7a7eebcb
SHA1

c1b3a2eab1667e7ef64608a6bc26d0fbc5d98ee4
SHA256

02c7c5e8d0668fc497d038ee7a40459fa808e0a2043523a8012ac5a6e902fa5d
SHA512

07e04af4235a595075e3d8babc59ca9903c06be809dfd47be9c8813f5eff58fc95c48d3e9e7cd4ac162eb7be53d2e936b6736cc74199ebb729f9e27bbc487d8f
SSDEEP

3072:c19J68QZBtSvYnyvs3BBmiqktLSnzFtLhLSNDOBiB1tAclDrV0M2le0GV:cptQZBzyvsxE+LyzvhmYs1e3i

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/2952-8-0x0000000000400000-0x000000000044E000-memory.dmp	family_cycbot
behavioral1/memory/2336-16-0x0000000000400000-0x000000000044E000-memory.dmp	family_cycbot
behavioral1/memory/2992-81-0x0000000000400000-0x000000000044E000-memory.dmp	family_cycbot
behavioral1/memory/2336-186-0x0000000000400000-0x000000000044E000-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/2336-2-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/2952-6-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/2952-5-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/2952-8-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/2336-16-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/2992-79-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/2992-81-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/2336-186-0x0000000000400000-0x000000000044E000-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	9cde8a5dca13bcb95189dfbf7a7eebcb_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9cde8a5dca13bcb95189dfbf7a7eebcb_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9cde8a5dca13bcb95189dfbf7a7eebcb_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2336 wrote to memory of 2952	2336	9cde8a5dca13bcb95189dfbf7a7eebcb_JaffaCakes118.exe	31
PID 2336 wrote to memory of 2952	2336	9cde8a5dca13bcb95189dfbf7a7eebcb_JaffaCakes118.exe	31
PID 2336 wrote to memory of 2952	2336	9cde8a5dca13bcb95189dfbf7a7eebcb_JaffaCakes118.exe	31
PID 2336 wrote to memory of 2952	2336	9cde8a5dca13bcb95189dfbf7a7eebcb_JaffaCakes118.exe	31
PID 2336 wrote to memory of 2992	2336	9cde8a5dca13bcb95189dfbf7a7eebcb_JaffaCakes118.exe	33
PID 2336 wrote to memory of 2992	2336	9cde8a5dca13bcb95189dfbf7a7eebcb_JaffaCakes118.exe	33
PID 2336 wrote to memory of 2992	2336	9cde8a5dca13bcb95189dfbf7a7eebcb_JaffaCakes118.exe	33
PID 2336 wrote to memory of 2992	2336	9cde8a5dca13bcb95189dfbf7a7eebcb_JaffaCakes118.exe	33

C:\Users\Admin\AppData\Local\Temp\9cde8a5dca13bcb95189dfbf7a7eebcb_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\9cde8a5dca13bcb95189dfbf7a7eebcb_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2336
- C:\Users\Admin\AppData\Local\Temp\9cde8a5dca13bcb95189dfbf7a7eebcb_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\9cde8a5dca13bcb95189dfbf7a7eebcb_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2952
- C:\Users\Admin\AppData\Local\Temp\9cde8a5dca13bcb95189dfbf7a7eebcb_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\9cde8a5dca13bcb95189dfbf7a7eebcb_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2992

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\381B.049

Filesize
1KB

MD5
88d12f7ecef616f450c9d68313eee30f

SHA1
f0ebc571ad9470d6c1c4355c2e6aa80b9d9046d7

SHA256
9435147f9fe8f7d744b7553a9c7eab6a74aa01ed04edea16100f3e84e3edc00e

SHA512
2826a23019a3fd0239230dffecb1d83dd210f6c2f372b1790052c3df23e506db3765e597d592c0f1e0a62b57bddc2efe927c07bfcc86efabc1b5a844ccc60192

Download Submit
C:\Users\Admin\AppData\Roaming\381B.049

Filesize
600B

MD5
316dc8f952f86ab219587b0e7a1e0e85

SHA1
3a1a3e0d51ef27a270995159ed7cfecfcacfa9e2

SHA256
e5782d79204c6e6e51e9fb4a14fb037441a3417c38a2000d30048d0155fb3218

SHA512
9d5645fa284da57c3bdf44204cd6849cbc06354aee2558c3308896dbd51a5004515e0a12b33e153a7f5accfbf03c0d26a47376a87a3e1f2a465d5a4309f5472a

Download Submit
C:\Users\Admin\AppData\Roaming\381B.049

Filesize
996B

MD5
5462857a8518206d0df08a58edc82416

SHA1
3823ea525763adc1f2529e126f1e3a126a7c3957

SHA256
c7f0edd3ad9d865e59353453e46cbbc3a31cb234199b68db77fd83fc080685da

SHA512
3a283ea77de75d884bffd7de8d91544696157ff7d8f3ed1e27a0eecb339ec82ae5a2d9473d94ff9dd24f64c39158ceabb0520d12c755c8a9b6a53986a47f547a

Download Submit
memory/2336-2-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2336-1-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2336-16-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2336-186-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2952-6-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2952-5-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2952-8-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2992-79-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2992-81-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download

Analysis

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