cycbot | 10de2fe57f2435582ea17de1d1627f36685075f49c1f27ded8154a7809bf6db5

General

Target

JaffaCakes118_3b802162de054fe6889dfa567c43691d.exe
Size

166KB
MD5

3b802162de054fe6889dfa567c43691d
SHA1

94a294d1a3d67e45810eec9777348dcc6e650148
SHA256

10de2fe57f2435582ea17de1d1627f36685075f49c1f27ded8154a7809bf6db5
SHA512

586434ab829201e03e29f8ceb8a41bffbd3c8d991200c8e4ae5f54e3cb4dcdd5d9dba960af190ac11380fca323140ce316da8dc222b189c7551521a6b9d4467c
SSDEEP

3072:U6ghSvEwWNbTQ8E9JMc73TTUFHTBVMN2q7O0OsfGibYH0+45YPY:UXIvEwDh/373kd7M8q7O0OUUOQY

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/2520-7-0x0000000000400000-0x0000000000442000-memory.dmp	family_cycbot
behavioral1/memory/2512-14-0x0000000000400000-0x0000000000442000-memory.dmp	family_cycbot
behavioral1/memory/3012-81-0x0000000000400000-0x0000000000442000-memory.dmp	family_cycbot
behavioral1/memory/2512-82-0x0000000000400000-0x0000000000442000-memory.dmp	family_cycbot
behavioral1/memory/2512-179-0x0000000000400000-0x0000000000442000-memory.dmp	family_cycbot
behavioral1/memory/2512-218-0x0000000000400000-0x0000000000442000-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_3b802162de054fe6889dfa567c43691d.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2512-2-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral1/memory/2520-6-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral1/memory/2520-7-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral1/memory/2512-14-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral1/memory/3012-79-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral1/memory/3012-81-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral1/memory/2512-82-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral1/memory/2512-179-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral1/memory/2512-218-0x0000000000400000-0x0000000000442000-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_3b802162de054fe6889dfa567c43691d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_3b802162de054fe6889dfa567c43691d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_3b802162de054fe6889dfa567c43691d.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2512 wrote to memory of 2520	2512	JaffaCakes118_3b802162de054fe6889dfa567c43691d.exe	30
PID 2512 wrote to memory of 2520	2512	JaffaCakes118_3b802162de054fe6889dfa567c43691d.exe	30
PID 2512 wrote to memory of 2520	2512	JaffaCakes118_3b802162de054fe6889dfa567c43691d.exe	30
PID 2512 wrote to memory of 2520	2512	JaffaCakes118_3b802162de054fe6889dfa567c43691d.exe	30
PID 2512 wrote to memory of 3012	2512	JaffaCakes118_3b802162de054fe6889dfa567c43691d.exe	33
PID 2512 wrote to memory of 3012	2512	JaffaCakes118_3b802162de054fe6889dfa567c43691d.exe	33
PID 2512 wrote to memory of 3012	2512	JaffaCakes118_3b802162de054fe6889dfa567c43691d.exe	33
PID 2512 wrote to memory of 3012	2512	JaffaCakes118_3b802162de054fe6889dfa567c43691d.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3b802162de054fe6889dfa567c43691d.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3b802162de054fe6889dfa567c43691d.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2512
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3b802162de054fe6889dfa567c43691d.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3b802162de054fe6889dfa567c43691d.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2520
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3b802162de054fe6889dfa567c43691d.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3b802162de054fe6889dfa567c43691d.exe startC:\Users\Admin\AppData\Local\Temp\csrss.exe%C:\Users\Admin\AppData\Local\Temp
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3012

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\0D09.2B2

Filesize
1KB

MD5
e5297828ed4b201869ecffca47b654d4

SHA1
5e210736a3952158d1ccb2151132cf8d493a086e

SHA256
873cc2d93a89e4a2a6e28a06127603be007c129f49aa8f7ee437a9b64101dde1

SHA512
4a3a229c0526c0d3e3a5d9928433949f74806b2fb49632a03d60b9870bf685b9afe7b8c11d52bd8e3f47eb0c0565f90c46cd1056c4bf9249d8e85db0dafd4bf5

Download Submit
C:\Users\Admin\AppData\Roaming\0D09.2B2

Filesize
600B

MD5
0584433ac2e4f3e91e5148ce81303402

SHA1
ae3ea6e0a78f4a41266b232ba8fd60e020e2fcdc

SHA256
efdd7d35a3f8bd571933ae83b752508522ad212cc599151d6d215d91ccb63e13

SHA512
f7c7d241aaee424510c2e72119abb95a1701337042af90f72bffeb91596c302119a3f98168eeb9ba577e683929af1442f660c9297cd8c61ce5735260c0fe989c

Download Submit
C:\Users\Admin\AppData\Roaming\0D09.2B2

Filesize
1KB

MD5
28d8c26653adde5b958203b246ba6b0b

SHA1
3424e5f967418532c224b3113b56f3388fda296f

SHA256
59e77b8d43b1a7f459c256f062976c1d0d92ed004c382567e27202a4069666a4

SHA512
00174c648a3ecb43d9e2d93ba92f1643d34459b880ad2815c495124e80a5ffdda976982153a17390b590dd21d339a297fb2a8f700c9791ab57ceabbafd39ff17

Download Submit
memory/2512-82-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2512-14-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2512-1-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2512-2-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2512-179-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2512-218-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2520-7-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2520-5-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2520-6-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/3012-79-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/3012-81-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads