cycbot | e98efe9f111fdf9c5ee94addad80e9c4721379d1184ea8af307216ac570179fe

General

Target

9e77019f5abf051f988694789f9ffbe1_JaffaCakes118.exe
Size

188KB
MD5

9e77019f5abf051f988694789f9ffbe1
SHA1

c46c887ad44ff95f21aeaed0023115f22e34bf4b
SHA256

e98efe9f111fdf9c5ee94addad80e9c4721379d1184ea8af307216ac570179fe
SHA512

8dcb7ee11951eaaa7ff46ad81f3bc119735a323ebc8871b69e4b273eccd3e91f116c7dd09506a79e5e37450b56b727f937df6320173a8337021b2647c1bf8c27
SSDEEP

3072:HB3vG34roeUhHTWuIvGYuqm4LtffWGhIZKVFSkAwcEQAP/xc0qt/Nj+LYuQYceWi:HB3O32UhzWlvGJO5f+GhqKVF6EJ3+Hl

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/2804-9-0x0000000000400000-0x0000000000447000-memory.dmp	family_cycbot
behavioral1/memory/2656-19-0x0000000000400000-0x0000000000447000-memory.dmp	family_cycbot
behavioral1/memory/2908-85-0x0000000000400000-0x0000000000447000-memory.dmp	family_cycbot
behavioral1/memory/2656-177-0x0000000000400000-0x0000000000447000-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/2656-2-0x0000000000400000-0x0000000000447000-memory.dmp	upx
behavioral1/memory/2804-7-0x0000000000400000-0x0000000000447000-memory.dmp	upx
behavioral1/memory/2804-9-0x0000000000400000-0x0000000000447000-memory.dmp	upx
behavioral1/memory/2656-19-0x0000000000400000-0x0000000000447000-memory.dmp	upx
behavioral1/memory/2908-83-0x0000000000400000-0x0000000000447000-memory.dmp	upx
behavioral1/memory/2908-85-0x0000000000400000-0x0000000000447000-memory.dmp	upx
behavioral1/memory/2656-177-0x0000000000400000-0x0000000000447000-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	9e77019f5abf051f988694789f9ffbe1_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9e77019f5abf051f988694789f9ffbe1_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9e77019f5abf051f988694789f9ffbe1_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2656 wrote to memory of 2804	2656	9e77019f5abf051f988694789f9ffbe1_JaffaCakes118.exe	30
PID 2656 wrote to memory of 2804	2656	9e77019f5abf051f988694789f9ffbe1_JaffaCakes118.exe	30
PID 2656 wrote to memory of 2804	2656	9e77019f5abf051f988694789f9ffbe1_JaffaCakes118.exe	30
PID 2656 wrote to memory of 2804	2656	9e77019f5abf051f988694789f9ffbe1_JaffaCakes118.exe	30
PID 2656 wrote to memory of 2908	2656	9e77019f5abf051f988694789f9ffbe1_JaffaCakes118.exe	32
PID 2656 wrote to memory of 2908	2656	9e77019f5abf051f988694789f9ffbe1_JaffaCakes118.exe	32
PID 2656 wrote to memory of 2908	2656	9e77019f5abf051f988694789f9ffbe1_JaffaCakes118.exe	32
PID 2656 wrote to memory of 2908	2656	9e77019f5abf051f988694789f9ffbe1_JaffaCakes118.exe	32

C:\Users\Admin\AppData\Local\Temp\9e77019f5abf051f988694789f9ffbe1_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\9e77019f5abf051f988694789f9ffbe1_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2656
- C:\Users\Admin\AppData\Local\Temp\9e77019f5abf051f988694789f9ffbe1_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\9e77019f5abf051f988694789f9ffbe1_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2804
- C:\Users\Admin\AppData\Local\Temp\9e77019f5abf051f988694789f9ffbe1_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\9e77019f5abf051f988694789f9ffbe1_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2908

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\E48A.2A5

Filesize
1KB

MD5
0c8006948ad9133b17040f288e38347b

SHA1
f4b95fafa49c883e28724cccd56714a3f9613d05

SHA256
8f25dbe4988e6403a91d5cc0ff967ac45d553a44d9905839c009108c0ef83cd7

SHA512
be79a22397e2b16d3b8aff7345987fe311b9c79661eed5430645c3ec6d99eb2d9d397f5a09c3a12d1ae5b5d95ae596e471047d8aa38da9eb8fc28eb1965c4c20

Download Submit
C:\Users\Admin\AppData\Roaming\E48A.2A5

Filesize
897B

MD5
ab82eb026a50287e0e1ccb1cec01408e

SHA1
fae94efa8df4343d128f257175c810e10a643bb2

SHA256
73ea6c07ac1b9195a6ce6c593d721d2c80c8d6f7a3c6d8a5e703e68ad033af66

SHA512
0ca4d2b176d853406b8298a5eba0340bb944cfc68a42aec58e7130ce38c8655516e149ea99b29e5f9779c53b346f7a30d57fc22dc826bedf8f040beb713a0406

Download Submit
C:\Users\Admin\AppData\Roaming\E48A.2A5

Filesize
1KB

MD5
d63dcd5d11ddd6c1b8cdce5785fc5b63

SHA1
3052dd7e5a362263bf1adc728187de56b0865c43

SHA256
9edaaf4cf663041af3b4e875d4c41f3381ee950ae42eb1ce9df8b60d2119b75a

SHA512
9bf82ed23e45401f091c23eea5f490a809c6513643fdee0316c1133d63a7be78273f2373348001a423c14d5f120e415ab8302fc2c5e18e5d050c2647e83a72d9

Download Submit
memory/2656-2-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download
memory/2656-1-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download
memory/2656-19-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download
memory/2656-177-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download
memory/2804-7-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download
memory/2804-6-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download
memory/2804-9-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download
memory/2908-83-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download
memory/2908-85-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download

Analysis

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