cycbot | e2ce517ae5789088bae3135bd8b29eb5be71409f8036ffd3a7151b0e490ff3a8

General

Target

eaef5bf35f8a8b4e9a024d385abb861e_JaffaCakes118.exe
Size

205KB
MD5

eaef5bf35f8a8b4e9a024d385abb861e
SHA1

3e74559f50879ecd49b12d966ff67cb3a2af3134
SHA256

e2ce517ae5789088bae3135bd8b29eb5be71409f8036ffd3a7151b0e490ff3a8
SHA512

1bbac3d5c9df9501d316a4439cf28a8f409d37fdacccf404e1a7e7e61e47dc608d5d11c345566f2fe4ba647645e404c57b64af71a0e5ad6ca02ad0582a60f3db
SSDEEP

6144:NtpC09fGg3lfyuWKICrpuxFKitQxEfifHpYz8n:Ntp7hly1M2KitYpfHpC8

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/2880-8-0x0000000000400000-0x000000000044D000-memory.dmp	family_cycbot
behavioral1/memory/1884-16-0x0000000000400000-0x000000000044D000-memory.dmp	family_cycbot
behavioral1/memory/1112-84-0x0000000000400000-0x000000000044D000-memory.dmp	family_cycbot
behavioral1/memory/1884-197-0x0000000000400000-0x000000000044D000-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 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1884-2-0x0000000000400000-0x000000000044D000-memory.dmp	upx
behavioral1/memory/2880-6-0x0000000000400000-0x000000000044D000-memory.dmp	upx
behavioral1/memory/2880-8-0x0000000000400000-0x000000000044D000-memory.dmp	upx
behavioral1/memory/1884-16-0x0000000000400000-0x000000000044D000-memory.dmp	upx
behavioral1/memory/1112-84-0x0000000000400000-0x000000000044D000-memory.dmp	upx
behavioral1/memory/1884-197-0x0000000000400000-0x000000000044D000-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	eaef5bf35f8a8b4e9a024d385abb861e_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eaef5bf35f8a8b4e9a024d385abb861e_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eaef5bf35f8a8b4e9a024d385abb861e_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1884 wrote to memory of 2880	1884	eaef5bf35f8a8b4e9a024d385abb861e_JaffaCakes118.exe	28
PID 1884 wrote to memory of 2880	1884	eaef5bf35f8a8b4e9a024d385abb861e_JaffaCakes118.exe	28
PID 1884 wrote to memory of 2880	1884	eaef5bf35f8a8b4e9a024d385abb861e_JaffaCakes118.exe	28
PID 1884 wrote to memory of 2880	1884	eaef5bf35f8a8b4e9a024d385abb861e_JaffaCakes118.exe	28
PID 1884 wrote to memory of 1112	1884	eaef5bf35f8a8b4e9a024d385abb861e_JaffaCakes118.exe	30
PID 1884 wrote to memory of 1112	1884	eaef5bf35f8a8b4e9a024d385abb861e_JaffaCakes118.exe	30
PID 1884 wrote to memory of 1112	1884	eaef5bf35f8a8b4e9a024d385abb861e_JaffaCakes118.exe	30
PID 1884 wrote to memory of 1112	1884	eaef5bf35f8a8b4e9a024d385abb861e_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\eaef5bf35f8a8b4e9a024d385abb861e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\eaef5bf35f8a8b4e9a024d385abb861e_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1884
- C:\Users\Admin\AppData\Local\Temp\eaef5bf35f8a8b4e9a024d385abb861e_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\eaef5bf35f8a8b4e9a024d385abb861e_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2880
- C:\Users\Admin\AppData\Local\Temp\eaef5bf35f8a8b4e9a024d385abb861e_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\eaef5bf35f8a8b4e9a024d385abb861e_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1112

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\D75B.D5C

Filesize
1KB

MD5
c09c99886f7462fe8a59b937560d141b

SHA1
bcf8b01d30e947c46503748db8bc1060ae1195f0

SHA256
89c13d728b5623042b4814f1602d7927145abc3ab4dc342bcc823d4a1d79dd33

SHA512
7f30802db39e20f59d2c8491eaa10e8be463c8efee84f327106601b3f94550e0861d4edafc1af6a2dce7d5e2e41f0ce80a645c2294750e0ce4a752b4ed42e443

Download Submit
C:\Users\Admin\AppData\Roaming\D75B.D5C

Filesize
600B

MD5
d5e17a0c1cd3a4c71580a4e3e136652f

SHA1
fdbe62c223d35b3ff40871fb18f73eb0c71245f6

SHA256
7b2e4b7eee897b5fa44e42415c5ff06e62232aa37150ce1ca0cd71d8f8ddcd05

SHA512
1d394888199e89569af8cbdd26445cbf36b4348c55fdf188ff1ef2e630993a7986587a91ba9e7830b74753fdedd5f0cacad16093ed0a23b1b14ba5d4081fae67

Download Submit
C:\Users\Admin\AppData\Roaming\D75B.D5C

Filesize
996B

MD5
972990e5320389c3f69cb5fc44599a14

SHA1
ed19fce9a3d1aeb1a877b7e21cb9c4f725372623

SHA256
c31fa704c530ee21f89133bb499af39f0b6210550c980091418ca7aab2447b09

SHA512
0f3446de72f233be409ccf5a8dce65c9c1fde836b94e73e3e4a4ff639d01684e2f379aba7fe28526fb41798c24f03241bc2a249e2c8bb78f4c9e15cfebbd1b4d

Download Submit
memory/1112-84-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/1884-1-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/1884-2-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/1884-16-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/1884-197-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/2880-6-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/2880-5-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/2880-8-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download

Analysis

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