cycbot | 107611f23a6364bdd7907954eaa67976adf854619801964629e9b8fd8cb4b7f6

General

Target

JaffaCakes118_3c5e6b8c4a5475493f413a38195605d0.exe
Size

183KB
MD5

3c5e6b8c4a5475493f413a38195605d0
SHA1

cc04807c74e12f9851bdaddbe0042f8f7e789a2d
SHA256

107611f23a6364bdd7907954eaa67976adf854619801964629e9b8fd8cb4b7f6
SHA512

06f861305217ae5402eaede9da85a8e627e48e9b46b8f28ebbdbc53460a617812184fd4317c0045271bb76847ec84bd7769f2e4343ef70f2394d4d25eac1146b
SSDEEP

3072:wFldeCh7i/0ZXZkedhBIq8ahT1lQjG63PPjZMDmxRJ63Mk:wE+7i8ZXZkwaqbh1lcl3O6xT9

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/2344-15-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/2100-16-0x0000000000400000-0x0000000000452000-memory.dmp	family_cycbot
behavioral1/memory/2100-17-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/2588-111-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/2100-270-0x0000000000400000-0x0000000000455000-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/2100-3-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2344-13-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2344-15-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2100-16-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral1/memory/2100-17-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2588-111-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2100-270-0x0000000000400000-0x0000000000455000-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_3c5e6b8c4a5475493f413a38195605d0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_3c5e6b8c4a5475493f413a38195605d0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_3c5e6b8c4a5475493f413a38195605d0.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2100 wrote to memory of 2344	2100	JaffaCakes118_3c5e6b8c4a5475493f413a38195605d0.exe	30
PID 2100 wrote to memory of 2344	2100	JaffaCakes118_3c5e6b8c4a5475493f413a38195605d0.exe	30
PID 2100 wrote to memory of 2344	2100	JaffaCakes118_3c5e6b8c4a5475493f413a38195605d0.exe	30
PID 2100 wrote to memory of 2344	2100	JaffaCakes118_3c5e6b8c4a5475493f413a38195605d0.exe	30
PID 2100 wrote to memory of 2588	2100	JaffaCakes118_3c5e6b8c4a5475493f413a38195605d0.exe	33
PID 2100 wrote to memory of 2588	2100	JaffaCakes118_3c5e6b8c4a5475493f413a38195605d0.exe	33
PID 2100 wrote to memory of 2588	2100	JaffaCakes118_3c5e6b8c4a5475493f413a38195605d0.exe	33
PID 2100 wrote to memory of 2588	2100	JaffaCakes118_3c5e6b8c4a5475493f413a38195605d0.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3c5e6b8c4a5475493f413a38195605d0.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3c5e6b8c4a5475493f413a38195605d0.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2100
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3c5e6b8c4a5475493f413a38195605d0.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3c5e6b8c4a5475493f413a38195605d0.exe startC:\Program Files (x86)\LP\0767\800.exe%C:\Program Files (x86)\LP\0767
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2344
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3c5e6b8c4a5475493f413a38195605d0.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3c5e6b8c4a5475493f413a38195605d0.exe startC:\Users\Admin\AppData\Roaming\7E758\E2207.exe%C:\Users\Admin\AppData\Roaming\7E758
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2588

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\7E758\84E1.E75

Filesize
996B

MD5
f3ec3eb39ca3401beb7fbcd391e34c05

SHA1
218fc59ae21793184f77d893be476f8d26230612

SHA256
4882aa2a7746f734433be9b3c6c1d369af67d15426015b6e60864d17117396e4

SHA512
11c3fa71ccf2cef8feaafcee67d3dc4e140914321a4796c9792eeec8a311d5aca7ef6a46f2c2533983db9adc76af03daf83d43e6cad0e3de0758b2b90a85628c

Download Submit
C:\Users\Admin\AppData\Roaming\7E758\84E1.E75

Filesize
600B

MD5
fdf19738af56edbe7f0a9671c603c0e5

SHA1
03be64d2bd0d78b51bdb6c0de5c3c317e21e375a

SHA256
46885a92a200026bf9746b7d9c7bf42af45eb7fb9b8b677b63c201985a98527d

SHA512
edba7a2ecd0152012fc605dcd14f17009f84342e4e1bf0f29a59c770bea08ca8150ddbec0d959735a36e1437cc408c1ed64b5ceebcec6376cff7b985fa642fa9

Download Submit
C:\Users\Admin\AppData\Roaming\7E758\84E1.E75

Filesize
1KB

MD5
e6d89a4e2c01c0f050ff9a74a3054519

SHA1
24e9de2e0349388e303c24e764cb0912e4837ab3

SHA256
484bf9c97459076389be36ba01568c932fbcd987d56b525047c1bb080ee797ac

SHA512
38e15b200c20367ee9248fefd70978a1e74212915cf2cdf233773d90be159a796a7317971cf5b86339afaa540d4bc99f53aa138810377921a4915c548cdfe3eb

Download Submit
memory/2100-0-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2100-2-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2100-3-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2100-16-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2100-17-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2100-270-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2344-13-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2344-15-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2588-111-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download

Analysis

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