cycbot | 4f2d4e64668992578753952bed2f88c0cc639e1a19a3a123bb6ea1a0ed51cc0d

General

Target

JaffaCakes118_6ae38d3574615602f890ad78523de885.exe
Size

165KB
MD5

6ae38d3574615602f890ad78523de885
SHA1

4051da2924b2c348b4374c1304afc943db6fae3e
SHA256

4f2d4e64668992578753952bed2f88c0cc639e1a19a3a123bb6ea1a0ed51cc0d
SHA512

95176b2182eeddd32b52e07e3ea17357a2de099ac51223a8b0f8dc19006e5dd3445819674f5e949a9901e546800bda301e8c047a1832c79a30885adc2f0d4e2e
SSDEEP

3072:FD1mM9NIWUUXeGOTrsZdQ8NBnQn8N3s3qBAFeyQGE0foovv:11mMIieGUrATBnQntaBVGE0fp

Score

10^/10

cycbot backdoor discovery persistence 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 6 IoCs

Cycbot is a backdoor and trojan written in C++.

resource	yara_rule
behavioral1/memory/2180-6-0x0000000000400000-0x000000000043D000-memory.dmp	family_cycbot
behavioral1/memory/2368-16-0x0000000000400000-0x000000000043D000-memory.dmp	family_cycbot
behavioral1/memory/2476-78-0x0000000000400000-0x000000000043D000-memory.dmp	family_cycbot
behavioral1/memory/2368-79-0x0000000000400000-0x000000000043D000-memory.dmp	family_cycbot
behavioral1/memory/2368-168-0x0000000000400000-0x000000000043D000-memory.dmp	family_cycbot
behavioral1/memory/2368-205-0x0000000000400000-0x000000000043D000-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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\conhost = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\conhost.exe"	JaffaCakes118_6ae38d3574615602f890ad78523de885.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2368-2-0x0000000000400000-0x000000000043D000-memory.dmp	upx
behavioral1/memory/2180-6-0x0000000000400000-0x000000000043D000-memory.dmp	upx
behavioral1/memory/2368-16-0x0000000000400000-0x000000000043D000-memory.dmp	upx
behavioral1/memory/2476-78-0x0000000000400000-0x000000000043D000-memory.dmp	upx
behavioral1/memory/2368-79-0x0000000000400000-0x000000000043D000-memory.dmp	upx
behavioral1/memory/2368-168-0x0000000000400000-0x000000000043D000-memory.dmp	upx
behavioral1/memory/2368-205-0x0000000000400000-0x000000000043D000-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_6ae38d3574615602f890ad78523de885.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_6ae38d3574615602f890ad78523de885.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_6ae38d3574615602f890ad78523de885.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2368 wrote to memory of 2180	2368	JaffaCakes118_6ae38d3574615602f890ad78523de885.exe	30
PID 2368 wrote to memory of 2180	2368	JaffaCakes118_6ae38d3574615602f890ad78523de885.exe	30
PID 2368 wrote to memory of 2180	2368	JaffaCakes118_6ae38d3574615602f890ad78523de885.exe	30
PID 2368 wrote to memory of 2180	2368	JaffaCakes118_6ae38d3574615602f890ad78523de885.exe	30
PID 2368 wrote to memory of 2476	2368	JaffaCakes118_6ae38d3574615602f890ad78523de885.exe	32
PID 2368 wrote to memory of 2476	2368	JaffaCakes118_6ae38d3574615602f890ad78523de885.exe	32
PID 2368 wrote to memory of 2476	2368	JaffaCakes118_6ae38d3574615602f890ad78523de885.exe	32
PID 2368 wrote to memory of 2476	2368	JaffaCakes118_6ae38d3574615602f890ad78523de885.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6ae38d3574615602f890ad78523de885.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6ae38d3574615602f890ad78523de885.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2368
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6ae38d3574615602f890ad78523de885.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6ae38d3574615602f890ad78523de885.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2180
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6ae38d3574615602f890ad78523de885.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6ae38d3574615602f890ad78523de885.exe startC:\Users\Admin\AppData\Local\Temp\csrss.exe%C:\Users\Admin\AppData\Local\Temp
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2476

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\4DC5.10F

Filesize
597B

MD5
393b65ca7a9d25da5f7e5d9fd8886498

SHA1
50bc6c22885cc414c40c948757adfaf4329e9537

SHA256
43e03b74fb5a6fb9cb0a8d07d600d59971dacafda80f11e30a81d6f482683bb8

SHA512
aa170568a79021570cf6818b98e981fbcb857c0496414a589f083fcc97b9e5fe9264294e5d742757a7cca02e9c4ddadbbdcf8a131056de4281fdd3d3f3afa426

Download Submit
C:\Users\Admin\AppData\Roaming\4DC5.10F

Filesize
1KB

MD5
6207a144779e3c48bb77cff46a88d734

SHA1
05ea49e4b0511a6435087f8d356fa829a5de3fba

SHA256
158f2cf019c2cfad733d78f20c9d89212e669ffd3d42aa6281e4d72b8dd21be8

SHA512
a82d3dd495014318fcb8faca814c5a935d05d9b8c62b7bdad67d9d7ec9b009693f1033865e52349de77c125ee52f4a10b3a49457df7739e87aad7ac79973e5bc

Download Submit
C:\Users\Admin\AppData\Roaming\4DC5.10F

Filesize
897B

MD5
823a03ad6e69efa0d741d53e5e341045

SHA1
0c1fe00ea0b0eb76dfa6713df59e94dfe1370c3e

SHA256
ff59e11a34d37e50fa9a4f06fa151ca640226fb960cc287c1c40dd18dbb100c8

SHA512
3fffd426a6d03edd5525f6130291e40ba51076ceac20ef824551a6d0d12eaad3c68a5220911f32ad76b5fcbf98a6c1547163da41ffe25ddf962483d4df559821

Download Submit
C:\Users\Admin\AppData\Roaming\4DC5.10F

Filesize
1KB

MD5
8ba7bf2d5aaea67967b1d65c8ba1a527

SHA1
0350f0413d899e7ec666d5482677e00ac84fd678

SHA256
c95af0a59b0fed09ff143d2c2a7f0669c5c209909ac00200cbf5010772f0f9fd

SHA512
780af2b439b0676899706d6c812729675305bc4447685d2ceaea3f7a55fe8a89ce9f8e4319992aee0223770b0dea9524533807993be45f2aa9c00c88dfec6fd6

Download Submit
memory/2180-6-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/2368-1-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/2368-2-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/2368-16-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/2368-79-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/2368-168-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/2368-205-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/2476-78-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads