cycbot | 4ea987232ef53c82e13bb0a06e8b9c4effea3b123eabeb31f9b3520733bdd92f

General

Target

JaffaCakes118_85036c9bd9c914e3e00f374c927af795.exe
Size

186KB
MD5

85036c9bd9c914e3e00f374c927af795
SHA1

43aaa0ce85c01a5239655faec737cbe1f5c36c69
SHA256

4ea987232ef53c82e13bb0a06e8b9c4effea3b123eabeb31f9b3520733bdd92f
SHA512

426cae53dbd5817e04c093b971ba3c509788097eee518950e8c7cd368a734884bb788aecf32eb7d7290cc97108a2e68ce34325bf6955c7fdc625557f055e772f
SSDEEP

3072:3Xg4Z7JVBxuoDrE+vivCn4uWPBWktv0APbFI4h1GQLmjL5zQ/9fCmOcJRya5u:Hg4zxxDsan4pBnv0ADy4h1GBxQFKWD

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/576-8-0x0000000000400000-0x0000000000468000-memory.dmp	family_cycbot
behavioral1/memory/1440-15-0x0000000000400000-0x0000000000468000-memory.dmp	family_cycbot
behavioral1/memory/1052-83-0x0000000000400000-0x0000000000468000-memory.dmp	family_cycbot
behavioral1/memory/1440-171-0x0000000000400000-0x0000000000468000-memory.dmp	family_cycbot
behavioral1/memory/1440-202-0x0000000000400000-0x0000000000468000-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 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1440-2-0x0000000000400000-0x0000000000468000-memory.dmp	upx
behavioral1/memory/576-5-0x0000000000400000-0x0000000000468000-memory.dmp	upx
behavioral1/memory/576-8-0x0000000000400000-0x0000000000468000-memory.dmp	upx
behavioral1/memory/576-6-0x0000000000400000-0x0000000000468000-memory.dmp	upx
behavioral1/memory/1440-15-0x0000000000400000-0x0000000000468000-memory.dmp	upx
behavioral1/memory/1052-81-0x0000000000400000-0x0000000000468000-memory.dmp	upx
behavioral1/memory/1052-83-0x0000000000400000-0x0000000000468000-memory.dmp	upx
behavioral1/memory/1440-171-0x0000000000400000-0x0000000000468000-memory.dmp	upx
behavioral1/memory/1440-202-0x0000000000400000-0x0000000000468000-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_85036c9bd9c914e3e00f374c927af795.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_85036c9bd9c914e3e00f374c927af795.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_85036c9bd9c914e3e00f374c927af795.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1440 wrote to memory of 576	1440	JaffaCakes118_85036c9bd9c914e3e00f374c927af795.exe	30
PID 1440 wrote to memory of 576	1440	JaffaCakes118_85036c9bd9c914e3e00f374c927af795.exe	30
PID 1440 wrote to memory of 576	1440	JaffaCakes118_85036c9bd9c914e3e00f374c927af795.exe	30
PID 1440 wrote to memory of 576	1440	JaffaCakes118_85036c9bd9c914e3e00f374c927af795.exe	30
PID 1440 wrote to memory of 1052	1440	JaffaCakes118_85036c9bd9c914e3e00f374c927af795.exe	33
PID 1440 wrote to memory of 1052	1440	JaffaCakes118_85036c9bd9c914e3e00f374c927af795.exe	33
PID 1440 wrote to memory of 1052	1440	JaffaCakes118_85036c9bd9c914e3e00f374c927af795.exe	33
PID 1440 wrote to memory of 1052	1440	JaffaCakes118_85036c9bd9c914e3e00f374c927af795.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_85036c9bd9c914e3e00f374c927af795.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_85036c9bd9c914e3e00f374c927af795.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1440
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_85036c9bd9c914e3e00f374c927af795.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_85036c9bd9c914e3e00f374c927af795.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:576
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_85036c9bd9c914e3e00f374c927af795.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_85036c9bd9c914e3e00f374c927af795.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1052

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\095B.D36

Filesize
1KB

MD5
76c8c4f5b2f5d4168c516596f1e10f96

SHA1
7c7e687c567c7736ed25402e6a484c732df34905

SHA256
bb29813f26478da84d9613e71c0a6f17c79b7d6eeb850594ec629ecaa8192c19

SHA512
250e90845057c2a412d256128dd3f16f478c70c850e8b653d70ec322d591797d71c2115460d3eb2c7a873515a85c2a19b43e28651e9fe4535294c2ab4e315d3e

Download Submit
C:\Users\Admin\AppData\Roaming\095B.D36

Filesize
600B

MD5
ea915456faa74960890ffe9c7b1ffdb5

SHA1
bb5d48918dde394a2f2ce9c487eb2c3cf12189e4

SHA256
41f819a1382d640da125fe006869d3107b5e217c62bb287593378cc7255ce2ad

SHA512
6494937af3ed12d65ff66d5ddb1c701f72a1b068fb33271c7db742171e2e8b1840d65cb79af6c41bc61b5b244b27b68a8f20061c83f60cc3875b2b04df39a6be

Download Submit
C:\Users\Admin\AppData\Roaming\095B.D36

Filesize
996B

MD5
2fec1b1ceeb2dfb2886c8999b3342b0e

SHA1
fba0a2f4330291cc96a71b52e910581c9821cff1

SHA256
231816bca08e26fc95e7e570950dd5782741376a8646838414645d4eef86a7f7

SHA512
80db2d79e42c79640dd59a25df7af3e80fa48947e5be608010844242b740d9e5f361e4f9893f215fd0748331fe12e68d266c8f2ae1530ccbf7cec01c0c21d7ed

Download Submit
memory/576-8-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/576-6-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/576-5-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/1052-81-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/1052-83-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/1440-15-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/1440-1-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/1440-2-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/1440-171-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/1440-202-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download

Analysis

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