cycbot | 0b7c159fd30910bccbb940431096f801d949831de5cf74d3fa26a4b4857b25ae

General

Target

JaffaCakes118_72091eba11bf04f6b0bdce63b3a83d29.exe
Size

180KB
MD5

72091eba11bf04f6b0bdce63b3a83d29
SHA1

b397dcc04eab938ec49d2e7830cabf94ac7bb289
SHA256

0b7c159fd30910bccbb940431096f801d949831de5cf74d3fa26a4b4857b25ae
SHA512

95e426da8a687ee3baccfd6884e1519a26cc6a336a4b21189d1d6450a9324438aaf80f46f13f3312eafeaafad625eae290a11a4aa75a567a0a0f1272ce92b9c1
SSDEEP

3072:6CJ9hL38oNg7mrC3vUIgZxu9/ZNR33/2U7vvosyJqN:6CJ9J3n3W3ngZxE3/DN

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 5 IoCs

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

resource	yara_rule
behavioral1/memory/2696-7-0x0000000000400000-0x0000000000442000-memory.dmp	family_cycbot
behavioral1/memory/768-14-0x0000000000400000-0x0000000000442000-memory.dmp	family_cycbot
behavioral1/memory/1096-88-0x0000000000400000-0x0000000000442000-memory.dmp	family_cycbot
behavioral1/memory/768-89-0x0000000000400000-0x0000000000442000-memory.dmp	family_cycbot
behavioral1/memory/768-190-0x0000000000400000-0x0000000000442000-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_72091eba11bf04f6b0bdce63b3a83d29.exe

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral1/memory/768-2-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral1/memory/2696-6-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral1/memory/2696-7-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral1/memory/768-14-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral1/memory/1096-86-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral1/memory/1096-88-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral1/memory/768-89-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral1/memory/768-190-0x0000000000400000-0x0000000000442000-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_72091eba11bf04f6b0bdce63b3a83d29.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_72091eba11bf04f6b0bdce63b3a83d29.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_72091eba11bf04f6b0bdce63b3a83d29.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 768 wrote to memory of 2696	768	JaffaCakes118_72091eba11bf04f6b0bdce63b3a83d29.exe	30
PID 768 wrote to memory of 2696	768	JaffaCakes118_72091eba11bf04f6b0bdce63b3a83d29.exe	30
PID 768 wrote to memory of 2696	768	JaffaCakes118_72091eba11bf04f6b0bdce63b3a83d29.exe	30
PID 768 wrote to memory of 2696	768	JaffaCakes118_72091eba11bf04f6b0bdce63b3a83d29.exe	30
PID 768 wrote to memory of 1096	768	JaffaCakes118_72091eba11bf04f6b0bdce63b3a83d29.exe	33
PID 768 wrote to memory of 1096	768	JaffaCakes118_72091eba11bf04f6b0bdce63b3a83d29.exe	33
PID 768 wrote to memory of 1096	768	JaffaCakes118_72091eba11bf04f6b0bdce63b3a83d29.exe	33
PID 768 wrote to memory of 1096	768	JaffaCakes118_72091eba11bf04f6b0bdce63b3a83d29.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_72091eba11bf04f6b0bdce63b3a83d29.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_72091eba11bf04f6b0bdce63b3a83d29.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:768
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_72091eba11bf04f6b0bdce63b3a83d29.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_72091eba11bf04f6b0bdce63b3a83d29.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2696
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_72091eba11bf04f6b0bdce63b3a83d29.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_72091eba11bf04f6b0bdce63b3a83d29.exe startC:\Users\Admin\AppData\Local\Temp\csrss.exe%C:\Users\Admin\AppData\Local\Temp
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1096

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

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Downloads

C:\Users\Admin\AppData\Roaming\116E.014

Filesize
1KB

MD5
334218bc89d4d63492c5037d2207cc88

SHA1
502116c45cbb3b19d4ce417b2ca44f2f42bfd264

SHA256
cb690d4c0faafd319ec52cb2084f7164d26c4bccd509d9ea820cfb17c65ef5af

SHA512
8ccd9a0a1465dbc85e18048e97fba6e52ab929cfb54be6c833d91b82699529247f8c463f3d9059ebef4885cb7d9536a1e7310fdbafd6354ccf92f0f9aa167ea6

Download Submit
C:\Users\Admin\AppData\Roaming\116E.014

Filesize
600B

MD5
5b13f0c4b78ff64fa00f35bdbbfa3ed4

SHA1
758a6cc83db8fce7488b97183b0e12ede16cc25c

SHA256
7700905bafa19f3d3a73c6623da62d19ccce94d0a5b92e2b97678f815780562c

SHA512
2941c73fa520d2c7c51b61e559175af18943b459e158c9cc56810ce3e1b3351bc48011919e6bd0e0908fca5b0742cf9a389aa74670eb22b6379967ca4333062e

Download Submit
C:\Users\Admin\AppData\Roaming\116E.014

Filesize
996B

MD5
0119c3427df98285088633340a1eba68

SHA1
0f84f6e50ea7625be61c7c4d93ce689add1743e7

SHA256
4b352f93e8de68dbe0aa5e8b562180f7d2140283b5b1e3a23714d8df1a088187

SHA512
8ab437df6f4d1ddab596a47e62065c0383ea3527fe3070f0518a457d2aabec74f03ae4625c4f940fb61550b6148fbf96f8aa8e2c3067e9ac36b6de1ab112f0f2

Download Submit
memory/768-89-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/768-14-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/768-1-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/768-2-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/768-190-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1096-86-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1096-88-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2696-7-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2696-5-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2696-6-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads