cycbot | 1971545ba21f8cac97d3bedce32dacd9b927c2350e9354b507d41a7b0cfe8ea6

General

Target

JaffaCakes118_4842c8ae27f9c502819b7d42f394c951.exe
Size

180KB
MD5

4842c8ae27f9c502819b7d42f394c951
SHA1

226e043c423a6e034b7b2b7226abd0b22befa089
SHA256

1971545ba21f8cac97d3bedce32dacd9b927c2350e9354b507d41a7b0cfe8ea6
SHA512

c6edadf55617ce22fff8a68f15e230d5f638c5458130242826709cd925ab69142f2c5a42b1228ef3f3d254395109e3cc1a4abb30a48552d40d3da9f3f2d217ca
SSDEEP

3072:mbBSuGE8WzfzV6blPg1FrFJcYxS+WozLPleMCwtfhlAPw9dwfi0D:MGERHVNDFGYx3RLPl/CwtfhlAUdwa

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/2392-11-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/2488-12-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/1968-126-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/2488-297-0x0000000000400000-0x0000000000455000-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 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2392-11-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2488-12-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/1968-126-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2488-297-0x0000000000400000-0x0000000000455000-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_4842c8ae27f9c502819b7d42f394c951.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_4842c8ae27f9c502819b7d42f394c951.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_4842c8ae27f9c502819b7d42f394c951.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2488 wrote to memory of 2392	2488	JaffaCakes118_4842c8ae27f9c502819b7d42f394c951.exe	30
PID 2488 wrote to memory of 2392	2488	JaffaCakes118_4842c8ae27f9c502819b7d42f394c951.exe	30
PID 2488 wrote to memory of 2392	2488	JaffaCakes118_4842c8ae27f9c502819b7d42f394c951.exe	30
PID 2488 wrote to memory of 2392	2488	JaffaCakes118_4842c8ae27f9c502819b7d42f394c951.exe	30
PID 2488 wrote to memory of 1968	2488	JaffaCakes118_4842c8ae27f9c502819b7d42f394c951.exe	33
PID 2488 wrote to memory of 1968	2488	JaffaCakes118_4842c8ae27f9c502819b7d42f394c951.exe	33
PID 2488 wrote to memory of 1968	2488	JaffaCakes118_4842c8ae27f9c502819b7d42f394c951.exe	33
PID 2488 wrote to memory of 1968	2488	JaffaCakes118_4842c8ae27f9c502819b7d42f394c951.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4842c8ae27f9c502819b7d42f394c951.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4842c8ae27f9c502819b7d42f394c951.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2488
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4842c8ae27f9c502819b7d42f394c951.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4842c8ae27f9c502819b7d42f394c951.exe startC:\Program Files (x86)\LP\4673\9FB.exe%C:\Program Files (x86)\LP\4673
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2392
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4842c8ae27f9c502819b7d42f394c951.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4842c8ae27f9c502819b7d42f394c951.exe startC:\Users\Admin\AppData\Roaming\3E8DA\4FA46.exe%C:\Users\Admin\AppData\Roaming\3E8DA
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1968

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\3E8DA\A5D5.E8D

Filesize
996B

MD5
816ed91432f66e96800109c15973d4ad

SHA1
28a3c946ccc58e41ab55971f82797ff65f53ab1b

SHA256
e4e32b11d0a204cac1e270f9f4c8b342d10968a9e5ab9e90bc7629c9ca87b841

SHA512
41b56e25a393b758f7e3a25c9cc2bc4033f96277593a21776033f9bfda70d6b67ab216b6b40953ce6aa4e3da98c560a9c85b3412ca09032d641bdbdbe1207404

Download Submit
C:\Users\Admin\AppData\Roaming\3E8DA\A5D5.E8D

Filesize
600B

MD5
a47aa983190034306573b2f8d3561ec3

SHA1
24a7b4d8e9b5dad073b8a8693dcec82d0219b6c8

SHA256
185c990fbc7efd049fa73f2a1d9c2e0c9c9da4c7dc707fb07703623c0597a65f

SHA512
62000240988ac95cb0092d63056f159ee4177c5965f28368e9c8be86b3242aa0de529ca77cac953e3a73ed926bc1c3c6a409ff5166f6be82eb593362143eee87

Download Submit
C:\Users\Admin\AppData\Roaming\3E8DA\A5D5.E8D

Filesize
1KB

MD5
e5f2f175b6595a478ddb1613109fdef9

SHA1
240e579a87c0438fd48043f28c5588879c283570

SHA256
ce8ef62cb24647147df51feca5354f9285ca97e3b8678244579029e9dfc2a531

SHA512
0e5a487d2d5d53e26a6838b404ba9c0e9eeac0117df32f30279b133a8a40b2702b75c3aca1b1f04e2fe37177104539281e56706b3daa25a229e573e2a64f5135

Download Submit
memory/1968-126-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2392-11-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2488-0-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2488-12-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2488-297-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download

Analysis

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