cycbot | 2b9f6fa900c4270da970a4fd2c6f9a9a44b9d7f1d24b673f8e45fb53a36a461b

General

Target

JaffaCakes118_4308be7ca53eaeb21e61bb1f087951b3.exe
Size

177KB
MD5

4308be7ca53eaeb21e61bb1f087951b3
SHA1

a0ad592c2099ae4b1ae73f00a3f8a0ca8094ae90
SHA256

2b9f6fa900c4270da970a4fd2c6f9a9a44b9d7f1d24b673f8e45fb53a36a461b
SHA512

8e5bc86b1916b7f1f5bca12411c6d863ea543d70d219b7e9ce7881c28ca3332e3517fb0911d0c7602215d8509b621fefbdafa5104a61219fb580658fb96622bc
SSDEEP

3072:kVATXvSDuU9v1/7Dr59+l/Yj1gYQQvlmBcjb3+NkgNH+k6c3MckyYKrqn:kVAeCM9n59+pYjhtIBcjb3+KgNLRMckd

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/2248-14-0x0000000000400000-0x0000000000456000-memory.dmp	family_cycbot
behavioral1/memory/2816-15-0x0000000000400000-0x0000000000453000-memory.dmp	family_cycbot
behavioral1/memory/2816-16-0x0000000000400000-0x0000000000456000-memory.dmp	family_cycbot
behavioral1/memory/2428-84-0x0000000000400000-0x0000000000456000-memory.dmp	family_cycbot
behavioral1/memory/2816-179-0x0000000000400000-0x0000000000456000-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/2816-2-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/2248-14-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/2248-12-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/2816-15-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral1/memory/2816-16-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/2428-82-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/2428-84-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral1/memory/2816-179-0x0000000000400000-0x0000000000456000-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_4308be7ca53eaeb21e61bb1f087951b3.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_4308be7ca53eaeb21e61bb1f087951b3.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_4308be7ca53eaeb21e61bb1f087951b3.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2816 wrote to memory of 2248	2816	JaffaCakes118_4308be7ca53eaeb21e61bb1f087951b3.exe	30
PID 2816 wrote to memory of 2248	2816	JaffaCakes118_4308be7ca53eaeb21e61bb1f087951b3.exe	30
PID 2816 wrote to memory of 2248	2816	JaffaCakes118_4308be7ca53eaeb21e61bb1f087951b3.exe	30
PID 2816 wrote to memory of 2248	2816	JaffaCakes118_4308be7ca53eaeb21e61bb1f087951b3.exe	30
PID 2816 wrote to memory of 2428	2816	JaffaCakes118_4308be7ca53eaeb21e61bb1f087951b3.exe	32
PID 2816 wrote to memory of 2428	2816	JaffaCakes118_4308be7ca53eaeb21e61bb1f087951b3.exe	32
PID 2816 wrote to memory of 2428	2816	JaffaCakes118_4308be7ca53eaeb21e61bb1f087951b3.exe	32
PID 2816 wrote to memory of 2428	2816	JaffaCakes118_4308be7ca53eaeb21e61bb1f087951b3.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4308be7ca53eaeb21e61bb1f087951b3.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4308be7ca53eaeb21e61bb1f087951b3.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2816
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4308be7ca53eaeb21e61bb1f087951b3.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4308be7ca53eaeb21e61bb1f087951b3.exe startC:\Program Files (x86)\LP\073C\01B.exe%C:\Program Files (x86)\LP\073C
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2248
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4308be7ca53eaeb21e61bb1f087951b3.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4308be7ca53eaeb21e61bb1f087951b3.exe startC:\Users\Admin\AppData\Roaming\CADBC\AFE07.exe%C:\Users\Admin\AppData\Roaming\CADBC
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2428

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\CADBC\CD2A.ADB

Filesize
1KB

MD5
9bcdfe521f129577e356e4e1d020dd79

SHA1
3734f8d28b077f43948d4e1f007946a4e791e903

SHA256
7966749d8d97042a8651865bc1164ac8b31adc6b3fcc7f7f88dd3916c25652cd

SHA512
889c8485ce398456f745b7b8107047e283d3fdde58726f507f7da974623c78774d74fb71f3fbae0cac25306d8a9ab8b41b93debdb4761c7cd17fcd6425257b4a

Download Submit
C:\Users\Admin\AppData\Roaming\CADBC\CD2A.ADB

Filesize
600B

MD5
22a1912b31cb24d3172cda1361e6a86d

SHA1
a2eb8d01afaba12b0dae68cb35fba0527c4d55f3

SHA256
54c350b4a78ea768ccbc0085aa8d88f5c87c81ccf7d0059482b62f4ea78d859e

SHA512
585774ec9a5251d5c8fe3f3987aeacab5e5b7a59d09097e64eb9c832800a92344ceb33962c57ce710fc12559f051e28e7f6ac29b0e655cb808541ddb269b5676

Download Submit
memory/2248-11-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/2248-14-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/2248-12-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/2428-82-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/2428-84-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/2816-1-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2816-2-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/2816-15-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/2816-16-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/2816-179-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download

Analysis

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