cycbot | 109808d529a2609c56c95de0316c3bf407d71458856059e687ba2b37c45d50bd

General

Target

JaffaCakes118_b86b1af0c43dd25430b2e55a9d04e792.exe
Size

181KB
MD5

b86b1af0c43dd25430b2e55a9d04e792
SHA1

ddf330615b9b6398f468b463b0c4dcde573ee5ad
SHA256

109808d529a2609c56c95de0316c3bf407d71458856059e687ba2b37c45d50bd
SHA512

e2a033ea72095041335e9d705646a94f33d6f2975b20781abb594a5db366e2c27fd5cc2e9417de68b3b659b388d75d6dbf4d9689541c6fe2de5456de1e230eef
SSDEEP

3072:NMq8g2qgBPBOk0ulYM1agUHqwbhG4hEDD38Xumy94V590m6fXEM1EBs0UFZy/jE:Njz2qQOc1agUKwbhADD37l9uRBs0IEr

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/2080-16-0x0000000000400000-0x0000000000454000-memory.dmp	family_cycbot
behavioral1/memory/2168-17-0x0000000000400000-0x0000000000454000-memory.dmp	family_cycbot
behavioral1/memory/2168-18-0x0000000000400000-0x0000000000452000-memory.dmp	family_cycbot
behavioral1/memory/1940-129-0x0000000000400000-0x0000000000454000-memory.dmp	family_cycbot
behavioral1/memory/2168-292-0x0000000000400000-0x0000000000454000-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/2168-3-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/2080-16-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/2080-14-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/2168-17-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/2168-18-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral1/memory/1940-128-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/1940-129-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/2168-292-0x0000000000400000-0x0000000000454000-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_b86b1af0c43dd25430b2e55a9d04e792.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_b86b1af0c43dd25430b2e55a9d04e792.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_b86b1af0c43dd25430b2e55a9d04e792.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2168 wrote to memory of 2080	2168	JaffaCakes118_b86b1af0c43dd25430b2e55a9d04e792.exe	31
PID 2168 wrote to memory of 2080	2168	JaffaCakes118_b86b1af0c43dd25430b2e55a9d04e792.exe	31
PID 2168 wrote to memory of 2080	2168	JaffaCakes118_b86b1af0c43dd25430b2e55a9d04e792.exe	31
PID 2168 wrote to memory of 2080	2168	JaffaCakes118_b86b1af0c43dd25430b2e55a9d04e792.exe	31
PID 2168 wrote to memory of 1940	2168	JaffaCakes118_b86b1af0c43dd25430b2e55a9d04e792.exe	33
PID 2168 wrote to memory of 1940	2168	JaffaCakes118_b86b1af0c43dd25430b2e55a9d04e792.exe	33
PID 2168 wrote to memory of 1940	2168	JaffaCakes118_b86b1af0c43dd25430b2e55a9d04e792.exe	33
PID 2168 wrote to memory of 1940	2168	JaffaCakes118_b86b1af0c43dd25430b2e55a9d04e792.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b86b1af0c43dd25430b2e55a9d04e792.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b86b1af0c43dd25430b2e55a9d04e792.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2168
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b86b1af0c43dd25430b2e55a9d04e792.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b86b1af0c43dd25430b2e55a9d04e792.exe startC:\Program Files (x86)\LP\BBA9\ADB.exe%C:\Program Files (x86)\LP\BBA9
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2080
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b86b1af0c43dd25430b2e55a9d04e792.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b86b1af0c43dd25430b2e55a9d04e792.exe startC:\Users\Admin\AppData\Roaming\980D2\222BB.exe%C:\Users\Admin\AppData\Roaming\980D2
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1940

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\980D2\2C85.80D

Filesize
996B

MD5
f3c123ace8b6c0c52348a1aa01f108f1

SHA1
0c08ab88f0412fa8be8273ecb7a503bd9be05173

SHA256
63334fa0c1b16aa4729a7e7e1a3ec2ebac3cc4b7552a7c384727252233cfd763

SHA512
6a6a30cffe8585d2bb9c4b939546f1e35d9a3d47d73466b8e15003c3039fea69dfcf96df0efb680dce37ba56cb850a7b1321af0c4de1e62dc306b3d496568e2b

Download Submit
C:\Users\Admin\AppData\Roaming\980D2\2C85.80D

Filesize
600B

MD5
089d9324408f318d989ba58866c224bb

SHA1
6ead490b235147d6c7fff967e56ffa44aa339f12

SHA256
85b729b99a0a59fd9697db66f6f40485345ad144e647b9e53ff90f35e23c9cad

SHA512
40fa85d8252f4e7e1e5ca2ace224588afb927e571984b26c8c041fa3ee0fa1cee742835d479a98f92874ea06841985ea6cdb51a024136bab25b7728a4faefde0

Download Submit
C:\Users\Admin\AppData\Roaming\980D2\2C85.80D

Filesize
1KB

MD5
b3c6d543fc9dd236c51cbc227c1085c4

SHA1
093b4873da740b5f9968d19cbbb82e617cd6989d

SHA256
605425e98066013c136b183c66ba447d2e38d7be76045fb244da45849f01fe35

SHA512
90b3359edb674499a3da53fa1d6059ef90085ce761f085bc5e403d4762d9ca8d6deabb6195319e79e3774af9d9a22f0fe06959d021bc045594c9631b790ce306

Download Submit
memory/1940-129-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1940-128-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2080-13-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2080-14-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2080-16-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2168-17-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2168-18-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2168-0-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2168-3-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2168-2-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2168-292-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download

Analysis

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