cycbot | 4dbab0b24523e5434380ef8b78dfb8e4d72c9470b0e7c25358a5e298c0ca1a23

General

Target

JaffaCakes118_eac20e6714afd94bcb0f6b0d10010d4b.exe
Size

202KB
MD5

eac20e6714afd94bcb0f6b0d10010d4b
SHA1

8fc1c21d5e69db476798b3efdcfd7a9cea57a320
SHA256

4dbab0b24523e5434380ef8b78dfb8e4d72c9470b0e7c25358a5e298c0ca1a23
SHA512

adff2d8f383e41fe8bfa446e006a4da80ec59688202bfadebe75a899459f81da09443f397fa508c2b5802f24b1e4d99bde072b07eb7dd77b5f786e5f0ec7b42d
SSDEEP

6144:7Ma4cJT0Qg2jn7BevMIqEzhH1+8wy4LN6E9P1k66CmzC:74cJT0QgwnhczhH1ky6wE9POCI

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/2360-8-0x0000000000400000-0x000000000044D000-memory.dmp	family_cycbot
behavioral1/memory/532-15-0x0000000000400000-0x000000000044D000-memory.dmp	family_cycbot
behavioral1/memory/2764-73-0x0000000000400000-0x000000000044D000-memory.dmp	family_cycbot
behavioral1/memory/532-175-0x0000000000400000-0x000000000044D000-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/532-2-0x0000000000400000-0x000000000044D000-memory.dmp	upx
behavioral1/memory/2360-7-0x0000000000400000-0x000000000044D000-memory.dmp	upx
behavioral1/memory/2360-8-0x0000000000400000-0x000000000044D000-memory.dmp	upx
behavioral1/memory/532-15-0x0000000000400000-0x000000000044D000-memory.dmp	upx
behavioral1/memory/2764-71-0x0000000000400000-0x000000000044D000-memory.dmp	upx
behavioral1/memory/2764-73-0x0000000000400000-0x000000000044D000-memory.dmp	upx
behavioral1/memory/532-175-0x0000000000400000-0x000000000044D000-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_eac20e6714afd94bcb0f6b0d10010d4b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_eac20e6714afd94bcb0f6b0d10010d4b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_eac20e6714afd94bcb0f6b0d10010d4b.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 532 wrote to memory of 2360	532	JaffaCakes118_eac20e6714afd94bcb0f6b0d10010d4b.exe	31
PID 532 wrote to memory of 2360	532	JaffaCakes118_eac20e6714afd94bcb0f6b0d10010d4b.exe	31
PID 532 wrote to memory of 2360	532	JaffaCakes118_eac20e6714afd94bcb0f6b0d10010d4b.exe	31
PID 532 wrote to memory of 2360	532	JaffaCakes118_eac20e6714afd94bcb0f6b0d10010d4b.exe	31
PID 532 wrote to memory of 2764	532	JaffaCakes118_eac20e6714afd94bcb0f6b0d10010d4b.exe	33
PID 532 wrote to memory of 2764	532	JaffaCakes118_eac20e6714afd94bcb0f6b0d10010d4b.exe	33
PID 532 wrote to memory of 2764	532	JaffaCakes118_eac20e6714afd94bcb0f6b0d10010d4b.exe	33
PID 532 wrote to memory of 2764	532	JaffaCakes118_eac20e6714afd94bcb0f6b0d10010d4b.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_eac20e6714afd94bcb0f6b0d10010d4b.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_eac20e6714afd94bcb0f6b0d10010d4b.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:532
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_eac20e6714afd94bcb0f6b0d10010d4b.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_eac20e6714afd94bcb0f6b0d10010d4b.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2360
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_eac20e6714afd94bcb0f6b0d10010d4b.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_eac20e6714afd94bcb0f6b0d10010d4b.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2764

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\C468.3FE

Filesize
1KB

MD5
0f98389def57b50505941b6762311757

SHA1
423568c8fcd78531e2b3c8fce5a9a780fc97b28f

SHA256
a17ae3dc3ff823a39d33147709d4beecade7563af738bc370fa1ea6195a81537

SHA512
00eeb960c6305336de928309b3b84e31d9435ec76e120f6d2b1f65a6c325d35cf8ed1a9b5ffce777334acc8ecb4c0accfd7da939551a0f2be8a6da32d7b7991a

Download Submit
C:\Users\Admin\AppData\Roaming\C468.3FE

Filesize
600B

MD5
3670db4ac853d4521f5571d13e704b08

SHA1
7f84b805ffd7948cd31ca2f5ac394b26b139e923

SHA256
8fa956e14e6bf991a2d649060fef3cda3edff333d88f6882aab611057490a39a

SHA512
ef2533b1fdba0b298df4b7fb4b5332a7c96aca1d5571b2fa9c1a6a1e46e2bf728840f8aa2dd82aa851bde73773518191c5363c3b76d94be3a8695f845ddb41ed

Download Submit
C:\Users\Admin\AppData\Roaming\C468.3FE

Filesize
996B

MD5
aab80b06d6ee58f7c62820d9b7301174

SHA1
9ca58523edf08b275823bade949ea6c165cd683e

SHA256
fab2a120003bd70d00f8126a3b6e5489a8dddbb284caf3e76aff402f45d6dc3b

SHA512
3c94a4e8a0152c3fd8211fd7bd58d9959ea55039f5e90c86fda350eb1df4fff253b5b5f8394f5a00f2d65b183fc29987180d495bef7f4b68c752eafc3b956d28

Download Submit
memory/532-1-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/532-2-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/532-15-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/532-175-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/2360-7-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/2360-8-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/2360-5-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/2764-71-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/2764-73-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download

Analysis

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