cycbot | 7aa2a954adb44588b683fe855a57a1012e3d6e2e360f4dd9769fb31b54fef63e

General

Target

f4be92f300d6814d2f3663d230174995_JaffaCakes118.exe
Size

178KB
MD5

f4be92f300d6814d2f3663d230174995
SHA1

899265109bb92504cca4d1c182374ca5af1a96bc
SHA256

7aa2a954adb44588b683fe855a57a1012e3d6e2e360f4dd9769fb31b54fef63e
SHA512

fb0e095dbd0bf433346e921a275cd8eac15ad03c17fd9e5278d01941f6149117750240b92ddf9f1e71ff5f7f505babc69baeeb058531b842be86b71d2340b90b
SSDEEP

3072:VPUI+acAwH23Xpq+AWuX8ZsL5MK4cAzTXLkw7XC80iH/fVx05oAaf:VPUwpOL/WuX8CL5MK4cAzXjGiftx05o

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/2264-18-0x0000000000400000-0x000000000046B000-memory.dmp	family_cycbot
behavioral1/memory/2612-19-0x0000000000400000-0x000000000046B000-memory.dmp	family_cycbot
behavioral1/memory/1480-86-0x0000000000400000-0x000000000046B000-memory.dmp	family_cycbot
behavioral1/memory/2612-156-0x0000000000400000-0x000000000046B000-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 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2612-2-0x0000000000400000-0x000000000046B000-memory.dmp	upx
behavioral1/memory/2264-17-0x0000000000400000-0x000000000046B000-memory.dmp	upx
behavioral1/memory/2264-18-0x0000000000400000-0x000000000046B000-memory.dmp	upx
behavioral1/memory/2612-19-0x0000000000400000-0x000000000046B000-memory.dmp	upx
behavioral1/memory/1480-86-0x0000000000400000-0x000000000046B000-memory.dmp	upx
behavioral1/memory/2612-156-0x0000000000400000-0x000000000046B000-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	f4be92f300d6814d2f3663d230174995_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f4be92f300d6814d2f3663d230174995_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f4be92f300d6814d2f3663d230174995_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2612 wrote to memory of 2264	2612	f4be92f300d6814d2f3663d230174995_JaffaCakes118.exe	31
PID 2612 wrote to memory of 2264	2612	f4be92f300d6814d2f3663d230174995_JaffaCakes118.exe	31
PID 2612 wrote to memory of 2264	2612	f4be92f300d6814d2f3663d230174995_JaffaCakes118.exe	31
PID 2612 wrote to memory of 2264	2612	f4be92f300d6814d2f3663d230174995_JaffaCakes118.exe	31
PID 2612 wrote to memory of 1480	2612	f4be92f300d6814d2f3663d230174995_JaffaCakes118.exe	33
PID 2612 wrote to memory of 1480	2612	f4be92f300d6814d2f3663d230174995_JaffaCakes118.exe	33
PID 2612 wrote to memory of 1480	2612	f4be92f300d6814d2f3663d230174995_JaffaCakes118.exe	33
PID 2612 wrote to memory of 1480	2612	f4be92f300d6814d2f3663d230174995_JaffaCakes118.exe	33

C:\Users\Admin\AppData\Local\Temp\f4be92f300d6814d2f3663d230174995_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f4be92f300d6814d2f3663d230174995_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2612
- C:\Users\Admin\AppData\Local\Temp\f4be92f300d6814d2f3663d230174995_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\f4be92f300d6814d2f3663d230174995_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2264
- C:\Users\Admin\AppData\Local\Temp\f4be92f300d6814d2f3663d230174995_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\f4be92f300d6814d2f3663d230174995_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1480

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\55B7.F96

Filesize
597B

MD5
1983d7a4822e9ad4b81d4a3854b4fc74

SHA1
8116e61dd1da3de471ea8b90c97a070fe4aff245

SHA256
ed416bdc1893c99bb3702abe16a50f93ea39e0bb3ef5bfdb263e58380653d356

SHA512
7cf5d0a56aa99b35246163f501efa647d46787b9e5ec5631ff29cea246cae646fd4023e78ec39bd8de926b4c4272767b2c9bb6b5d4162ca5bf9580fc31478e0f

Download Submit
C:\Users\Admin\AppData\Roaming\55B7.F96

Filesize
1KB

MD5
97b21113b873efe97d7620d82a08010a

SHA1
438ffd557a100880048a721c45a00293d2e9301f

SHA256
f34ce2b4f119943f9d7f3255f9a4fac805a8b7e605dbd3933f6fea889f969f16

SHA512
eac420f1521300e6148132816ce12e5bcd3cda2dac9ce7204630b313269cf0df70292965f0060f75829934abb663fe5eb817bb5331b480cdfb92beb85e6edd0e

Download Submit
C:\Users\Admin\AppData\Roaming\55B7.F96

Filesize
897B

MD5
a00eb7aa9a04ac8255954e5fdbc3cf63

SHA1
d3ddee40e51b8c697e3561560840fc4caedc8dc2

SHA256
163544ac108d8601fcfbddbfd384fc31367693744b3694058cd4d21b1196daa9

SHA512
d73e4234f759699576a9a5a1c95bf69bde5a72db0ef40b2c2e3ed43743a17eb9640df7cd8cc675a715e7519449e916bea44a9d977d045be797dd72b0f29b3697

Download Submit
C:\Users\Admin\AppData\Roaming\55B7.F96

Filesize
1KB

MD5
be004019f5af45107520d45095ea3c3f

SHA1
31ea9de9a9fd153e3363a37c5c8a09037a0f6733

SHA256
066c5a10638352d151311b634fda9d5ce0a65da0c3f3c8f8b8770138076fad60

SHA512
d8483b484a9695ee650d743d64a9c218758580e24386241b0215e44d5bbe8e843c23c42887d0198b1e15226dff09e8d30ceb40c12e6b74397c8d2c561d16ae91

Download Submit
memory/1480-86-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/2264-17-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/2264-18-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/2612-1-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/2612-2-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/2612-19-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/2612-156-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download

Analysis

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