cycbot | 6061e1667bdb5299cdc7ca7fa6b82641291d8e6a3cffe42077487400188b1a4f

General

Target

JaffaCakes118_1e810f8abdfb7723631cce9584e0aa30.exe
Size

183KB
MD5

1e810f8abdfb7723631cce9584e0aa30
SHA1

371dbee5f957f0c753befd029ca1279c83889a62
SHA256

6061e1667bdb5299cdc7ca7fa6b82641291d8e6a3cffe42077487400188b1a4f
SHA512

684d94c81e329db2d222b18e1dc03a5b8f93d2899701b51bdc1d4cded93a77463c4f73bb535aacd6961d4bba2f15471cf71d2b57f3b737d4b70ce934821405b7
SSDEEP

3072:YengzC/YgWeTc+rCgiI0Qk9LFcuIiWq33YrK05saI9PB7TOcgZ7rQSJIhtm:YenoC/YgtTcKCzIbgJlaqYJCtxbFb

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/2468-14-0x0000000000400000-0x0000000000454000-memory.dmp	family_cycbot
behavioral1/memory/1720-15-0x0000000000400000-0x0000000000451000-memory.dmp	family_cycbot
behavioral1/memory/1720-16-0x0000000000400000-0x0000000000454000-memory.dmp	family_cycbot
behavioral1/memory/2604-86-0x0000000000400000-0x0000000000454000-memory.dmp	family_cycbot
behavioral1/memory/1720-157-0x0000000000400000-0x0000000000454000-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 8 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1720-2-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/2468-13-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/2468-14-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/1720-15-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral1/memory/1720-16-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/2604-85-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/2604-86-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/1720-157-0x0000000000400000-0x0000000000454000-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_1e810f8abdfb7723631cce9584e0aa30.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_1e810f8abdfb7723631cce9584e0aa30.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_1e810f8abdfb7723631cce9584e0aa30.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1720 wrote to memory of 2468	1720	JaffaCakes118_1e810f8abdfb7723631cce9584e0aa30.exe	30
PID 1720 wrote to memory of 2468	1720	JaffaCakes118_1e810f8abdfb7723631cce9584e0aa30.exe	30
PID 1720 wrote to memory of 2468	1720	JaffaCakes118_1e810f8abdfb7723631cce9584e0aa30.exe	30
PID 1720 wrote to memory of 2468	1720	JaffaCakes118_1e810f8abdfb7723631cce9584e0aa30.exe	30
PID 1720 wrote to memory of 2604	1720	JaffaCakes118_1e810f8abdfb7723631cce9584e0aa30.exe	33
PID 1720 wrote to memory of 2604	1720	JaffaCakes118_1e810f8abdfb7723631cce9584e0aa30.exe	33
PID 1720 wrote to memory of 2604	1720	JaffaCakes118_1e810f8abdfb7723631cce9584e0aa30.exe	33
PID 1720 wrote to memory of 2604	1720	JaffaCakes118_1e810f8abdfb7723631cce9584e0aa30.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1e810f8abdfb7723631cce9584e0aa30.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1e810f8abdfb7723631cce9584e0aa30.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1720
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1e810f8abdfb7723631cce9584e0aa30.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1e810f8abdfb7723631cce9584e0aa30.exe startC:\Program Files (x86)\LP\5368\A95.exe%C:\Program Files (x86)\LP\5368
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2468
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1e810f8abdfb7723631cce9584e0aa30.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1e810f8abdfb7723631cce9584e0aa30.exe startC:\Users\Admin\AppData\Roaming\8619C\B0E53.exe%C:\Users\Admin\AppData\Roaming\8619C
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2604

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\8619C\CE41.619

Filesize
1KB

MD5
988fa92aa76d43fba62863fe77d065ff

SHA1
e32b41e63abd1fb9c1708db595c9e120cba05bec

SHA256
6f0d12efb0e196cd22a9893c6efff1c1df6ec1fb501c83e5c865eed2c3425b37

SHA512
15be9e27982a772b8000c3b8fcda4bc5eb66209ddff662878b7e0ec92802efe96a77c4229267e704d338e58cd4485227971bdf2f842fd92e3ee7c3775e0973d3

Download Submit
C:\Users\Admin\AppData\Roaming\8619C\CE41.619

Filesize
600B

MD5
b6a5943368a640aa30f2e54763fe4786

SHA1
211f35623d7a4c8eee7d8d5a6701c0136bdfd83b

SHA256
75de43b0d8c9100e20ac21a1217c8fb030337246344aadf9fdf586034754a287

SHA512
e11270d277727f196c667dba7d001d6d000c41faa247075b39ffaff93906e1ee41ee04f09548f79a21b1b127462cde1ce1b5fb3e8f94e2abb5b03258b071b257

Download Submit
C:\Users\Admin\AppData\Roaming\8619C\CE41.619

Filesize
996B

MD5
a6674b063f58d5bc3f1a8b4526066949

SHA1
4c2b817e4958992690ae82ab53313ece1519029f

SHA256
4070de5d28685c4f6677b2bde364202d68cb07d83970a4ea6926ed4466a1e256

SHA512
89162dc556ee954ca6b1f113ddae6849163ce5dc07a8eb18a55f6dff3214ba4a79bff240470ce63d20cbfd3f03b134af36570190ce26c89c30c291d7dd32ec7d

Download Submit
memory/1720-1-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/1720-157-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1720-2-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1720-15-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/1720-16-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2468-13-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2468-14-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2468-11-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2604-86-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2604-85-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download

Analysis

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