cycbot | 31fe5610b77ae98968b1abe73e6cf6aaa201a431c5f1f7a9cfbca74c284306ae

General

Target

JaffaCakes118_6194d426e72ce347073a9d734ee35429.exe
Size

180KB
MD5

6194d426e72ce347073a9d734ee35429
SHA1

3d7520b2387352a480fae6273d667c8f9d137dde
SHA256

31fe5610b77ae98968b1abe73e6cf6aaa201a431c5f1f7a9cfbca74c284306ae
SHA512

8e4bdad0625801ea0d5087e501466627a9b9df1a6bdce77c8c84ec39643ed327c2e477bb125aabc4f5cd1dd39a5bce9b46396e8e08ac4dbd58f4589c154bfd68
SSDEEP

3072:try0hazeri4zgH3Bffy/cF6ZEKIdN6+uGyEn2tz/NBXOPen1F+P6JQ2F4vKG5Md:tr/rhzOfh6ZgfuG1ezNBePN1k4vLQ

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/2292-16-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/2372-17-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/2372-18-0x0000000000400000-0x0000000000452000-memory.dmp	family_cycbot
behavioral1/memory/2112-138-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/2372-313-0x0000000000400000-0x0000000000455000-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 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2372-2-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral1/memory/2372-3-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2292-16-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2292-15-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2372-17-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2372-18-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral1/memory/2112-136-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2112-138-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2372-313-0x0000000000400000-0x0000000000455000-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_6194d426e72ce347073a9d734ee35429.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2372 wrote to memory of 2292	2372	JaffaCakes118_6194d426e72ce347073a9d734ee35429.exe	31
PID 2372 wrote to memory of 2292	2372	JaffaCakes118_6194d426e72ce347073a9d734ee35429.exe	31
PID 2372 wrote to memory of 2292	2372	JaffaCakes118_6194d426e72ce347073a9d734ee35429.exe	31
PID 2372 wrote to memory of 2292	2372	JaffaCakes118_6194d426e72ce347073a9d734ee35429.exe	31
PID 2372 wrote to memory of 2112	2372	JaffaCakes118_6194d426e72ce347073a9d734ee35429.exe	33
PID 2372 wrote to memory of 2112	2372	JaffaCakes118_6194d426e72ce347073a9d734ee35429.exe	33
PID 2372 wrote to memory of 2112	2372	JaffaCakes118_6194d426e72ce347073a9d734ee35429.exe	33
PID 2372 wrote to memory of 2112	2372	JaffaCakes118_6194d426e72ce347073a9d734ee35429.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6194d426e72ce347073a9d734ee35429.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6194d426e72ce347073a9d734ee35429.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2372
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6194d426e72ce347073a9d734ee35429.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6194d426e72ce347073a9d734ee35429.exe startC:\Program Files (x86)\LP\983E\A2C.exe%C:\Program Files (x86)\LP\983E
  2⤵
  PID:2292
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6194d426e72ce347073a9d734ee35429.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6194d426e72ce347073a9d734ee35429.exe startC:\Users\Admin\AppData\Roaming\E7C9A\27598.exe%C:\Users\Admin\AppData\Roaming\E7C9A
  2⤵
  PID:2112

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\E7C9A\AAA9.7C9

Filesize
996B

MD5
aa75e0a0d6689e186aaf49593c4d9cfb

SHA1
1aaf3fde5cb015f5069b470af1a57f05375cde5d

SHA256
cb67889889f72e958c0e4d816c805e81a46587d82834e3009e7be5a269889299

SHA512
9bd87d0416f1e7e7891a4f438a2ea4992dd4e285f2a97a2d56bc3df564ad309abc1cde48b6ec4d0d5b8dfec10761c754673d802ae1a16765bb89c35a9b8a5abe

Download Submit
C:\Users\Admin\AppData\Roaming\E7C9A\AAA9.7C9

Filesize
600B

MD5
64709c20cca6e12e9d5e3cbcc0e409c3

SHA1
08b8a814fd7fc9977e250c2e355b0df2c7912626

SHA256
44571b2cb04a769500f2b63b3c69fccff39016a5c5fd90c6ac207741066e4894

SHA512
93fff9361f7913b4f7a1653a2664b07d7b1d390c4cc2d60a46cc69a0ea7c3a2b64a4713d6444be58f75d926a2a47c734a78a39c9f9844d61814ecc78a774a646

Download Submit
C:\Users\Admin\AppData\Roaming\E7C9A\AAA9.7C9

Filesize
1KB

MD5
3570ea00082c0926c11bd198b97d1988

SHA1
a99397229839206cf55477d810a06c94d5e6f941

SHA256
b8eeceab92c8ffdbe74a3373230abaee0317a765a853bd20dc36add35e7a7236

SHA512
904ad10b26f41b19cc206eac87ab8ce4588010768471065938d445d052e9bdfcbb4cde4c4c0c8b8148f730c48e8e7d02c90bb1e918d9e539354b4cbdaf137b95

Download Submit
memory/2112-138-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2112-136-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2292-13-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2292-15-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2292-16-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2372-17-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2372-18-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2372-0-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2372-3-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2372-2-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2372-313-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download

Analysis

Sharing