cycbot | 1f86686519bac4f9f8c01c709216ba4c4f94c822ca9ab1427020380bf43c97d7

General

Target

JaffaCakes118_7ac1b03b40158d3e3782a006f6043797.exe
Size

179KB
MD5

7ac1b03b40158d3e3782a006f6043797
SHA1

87b8f8330b7ae62aa1f9d95ce9182250433c842f
SHA256

1f86686519bac4f9f8c01c709216ba4c4f94c822ca9ab1427020380bf43c97d7
SHA512

0027742a4e551df2de9a9981c5c69870efa100ca1322ebef1f5bff74a6710ba7b0fe6f04cb44a1fe1fdcde484d0071bc8cb15665be2cb8c65060ef2aa2081b17
SSDEEP

3072:+wP76BUPyge7lX59MortIBZntRmOTc1uHmfGqsg0oXGrSk1KEysVbzv:+tGPyRcoUjTc1amfov11ZysVT

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/2336-13-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/2492-14-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/2492-15-0x0000000000400000-0x0000000000452000-memory.dmp	family_cycbot
behavioral1/memory/1960-143-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/2492-314-0x0000000000400000-0x0000000000455000-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 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2492-3-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2336-13-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2492-14-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2492-15-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral1/memory/1960-141-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/1960-143-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2492-314-0x0000000000400000-0x0000000000455000-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_7ac1b03b40158d3e3782a006f6043797.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2492 wrote to memory of 2336	2492	JaffaCakes118_7ac1b03b40158d3e3782a006f6043797.exe	31
PID 2492 wrote to memory of 2336	2492	JaffaCakes118_7ac1b03b40158d3e3782a006f6043797.exe	31
PID 2492 wrote to memory of 2336	2492	JaffaCakes118_7ac1b03b40158d3e3782a006f6043797.exe	31
PID 2492 wrote to memory of 2336	2492	JaffaCakes118_7ac1b03b40158d3e3782a006f6043797.exe	31
PID 2492 wrote to memory of 1960	2492	JaffaCakes118_7ac1b03b40158d3e3782a006f6043797.exe	33
PID 2492 wrote to memory of 1960	2492	JaffaCakes118_7ac1b03b40158d3e3782a006f6043797.exe	33
PID 2492 wrote to memory of 1960	2492	JaffaCakes118_7ac1b03b40158d3e3782a006f6043797.exe	33
PID 2492 wrote to memory of 1960	2492	JaffaCakes118_7ac1b03b40158d3e3782a006f6043797.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7ac1b03b40158d3e3782a006f6043797.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7ac1b03b40158d3e3782a006f6043797.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2492
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7ac1b03b40158d3e3782a006f6043797.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7ac1b03b40158d3e3782a006f6043797.exe startC:\Program Files (x86)\LP\EA3E\F8C.exe%C:\Program Files (x86)\LP\EA3E
  2⤵
  PID:2336
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7ac1b03b40158d3e3782a006f6043797.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7ac1b03b40158d3e3782a006f6043797.exe startC:\Users\Admin\AppData\Roaming\E5906\ACAEA.exe%C:\Users\Admin\AppData\Roaming\E5906
  2⤵
  PID:1960

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\E5906\6B3F.590

Filesize
300B

MD5
84d99d7b78ee7511b6ef7a3103b428d1

SHA1
848dc935ceaea4d589d5bbed03acb5e40e13542d

SHA256
ff5555b920a010e6d1bae43d6f4037c8a1aabc4827fd980d927e278c86ac5e61

SHA512
5bd0547c561b2570577bc21e319e8175313534011cadd172842f918564d5b1be5be2c2f6c38183ed2f8f72422cfc6491e58349a353fc28466e6b000d3519c0e9

Download Submit
C:\Users\Admin\AppData\Roaming\E5906\6B3F.590

Filesize
996B

MD5
1a0975010b8a2c7dd92846dbd38d576b

SHA1
4ac95607e5bff7ede92ed3165249b67cb51b1e89

SHA256
14ad06565a218d5c015d4914f5c4cbf4603bd4c0ef8bb59048ba03fa816fc9fc

SHA512
9009983a681001e6e4fc004ee786f983ccb4968b998369c6b04f0521bf3241d262934d254c0b79960baaa48cb3fb2803385aa83a237ade2a5643dbf81a530316

Download Submit
C:\Users\Admin\AppData\Roaming\E5906\6B3F.590

Filesize
600B

MD5
bebcb796137a7730b15645f7a083499a

SHA1
abbd6bdd0e2db2838ace00850732064a7ce72bde

SHA256
5c3b97e787a663be682c4accd37ea1421e6b6d191883293682b0692e7f0ee196

SHA512
95f199bf1bb8fd74d72500efd7d49256ae106f9e401137a5f0da45ae15d528c7831b89be7dea3e80280a30ab5185e8dec43591145d10ec094f787bac7bf29e09

Download Submit
C:\Users\Admin\AppData\Roaming\E5906\6B3F.590

Filesize
1KB

MD5
26c0da9f654572c48e22f59e00b3e6ff

SHA1
61f3391f7a6c6700db879e8ada2d10599e8d7882

SHA256
df8938bed32fbfc9b4c1efa7cabdc69a3ed28f82d547d7e1aa8e8810506b1119

SHA512
a39e3f31bd4a65a53f4ac29e1ba99a1bec524510ce58b319e4cba49f0a20e0c3fae1a09de2af62483dcc3d76117e68498f03aeb43cdfeb5ff43e738fa1ff4e3b

Download Submit
memory/1960-143-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/1960-141-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2336-13-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2492-14-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2492-15-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2492-0-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2492-3-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2492-2-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2492-314-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download

Analysis

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