cycbot | 6efd01f0da975719a5571e59b6aef98c2122c3c869f2953a64ba3346bd9f8e49

General

Target

JaffaCakes118_06677a3069694ad4c03eadadec47e73f.exe
Size

189KB
MD5

06677a3069694ad4c03eadadec47e73f
SHA1

542361f7fa71c178c460cf250ca7d5b78fab39ca
SHA256

6efd01f0da975719a5571e59b6aef98c2122c3c869f2953a64ba3346bd9f8e49
SHA512

158015ce139af9486e1a186b85c320000d7a5b9cd60772667f8544e1747307e78cf5461a1072c6d866a36a20b1b4e0524f6205f99223729555339b10cc79a70d
SSDEEP

3072:cS6p+c/8cBCwrQlxCoSs2o/olv4PK9Xj8+q5pWiwO749/HZPWp1kMtnTHyYADL:o+aaw3s8t4C9YpWiwO749PO1k0yD/

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/1744-6-0x0000000000400000-0x000000000044D000-memory.dmp	family_cycbot
behavioral1/memory/2860-13-0x0000000000400000-0x000000000044D000-memory.dmp	family_cycbot
behavioral1/memory/2904-79-0x0000000000400000-0x000000000044D000-memory.dmp	family_cycbot
behavioral1/memory/2860-177-0x0000000000400000-0x000000000044D000-memory.dmp	family_cycbot
behavioral1/memory/2860-212-0x0000000000400000-0x000000000044D000-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/2860-2-0x0000000000400000-0x000000000044D000-memory.dmp	upx
behavioral1/memory/1744-5-0x0000000000400000-0x000000000044D000-memory.dmp	upx
behavioral1/memory/1744-6-0x0000000000400000-0x000000000044D000-memory.dmp	upx
behavioral1/memory/2860-13-0x0000000000400000-0x000000000044D000-memory.dmp	upx
behavioral1/memory/2904-79-0x0000000000400000-0x000000000044D000-memory.dmp	upx
behavioral1/memory/2860-177-0x0000000000400000-0x000000000044D000-memory.dmp	upx
behavioral1/memory/2860-212-0x0000000000400000-0x000000000044D000-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_06677a3069694ad4c03eadadec47e73f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_06677a3069694ad4c03eadadec47e73f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_06677a3069694ad4c03eadadec47e73f.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2860 wrote to memory of 1744	2860	JaffaCakes118_06677a3069694ad4c03eadadec47e73f.exe	31
PID 2860 wrote to memory of 1744	2860	JaffaCakes118_06677a3069694ad4c03eadadec47e73f.exe	31
PID 2860 wrote to memory of 1744	2860	JaffaCakes118_06677a3069694ad4c03eadadec47e73f.exe	31
PID 2860 wrote to memory of 1744	2860	JaffaCakes118_06677a3069694ad4c03eadadec47e73f.exe	31
PID 2860 wrote to memory of 2904	2860	JaffaCakes118_06677a3069694ad4c03eadadec47e73f.exe	33
PID 2860 wrote to memory of 2904	2860	JaffaCakes118_06677a3069694ad4c03eadadec47e73f.exe	33
PID 2860 wrote to memory of 2904	2860	JaffaCakes118_06677a3069694ad4c03eadadec47e73f.exe	33
PID 2860 wrote to memory of 2904	2860	JaffaCakes118_06677a3069694ad4c03eadadec47e73f.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_06677a3069694ad4c03eadadec47e73f.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_06677a3069694ad4c03eadadec47e73f.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2860
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_06677a3069694ad4c03eadadec47e73f.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_06677a3069694ad4c03eadadec47e73f.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1744
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_06677a3069694ad4c03eadadec47e73f.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_06677a3069694ad4c03eadadec47e73f.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2904

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\968B.F52

Filesize
1KB

MD5
7ccee89df5f452ab956a17e3320c6add

SHA1
f6fa4e1a33720bdf8cc660a21b349fab2ac668d8

SHA256
a27d8ea71428d63f4d53ba83681fc4b7b365b44f720e47e2692cf948630d7238

SHA512
7f48d4bfed19f1003b3e9dd7fb4b604e13f1155d86dae8364c74b9586826707335de92b59b7e25e16a284b8a33ad31f6a96290007a22582ea9f3c480665e2fa7

Download Submit
C:\Users\Admin\AppData\Roaming\968B.F52

Filesize
600B

MD5
ed6e7fb944513b283b80bd7d7fd3d443

SHA1
3dc5e2ed736ca52de446e36b86d2b686071095d3

SHA256
95b8c3e85cba25c473c955fb2565aeced80f4b88be14d0c80e54d166d117dd3e

SHA512
292b76adf59a7eb57a2f125eaf0b3a287ccbef06db3e3e291171e28c3a3f0636b09615d12ee28e388cc9b71fa750987f47958d5ea99c4b493f20e07cd40408b7

Download Submit
C:\Users\Admin\AppData\Roaming\968B.F52

Filesize
996B

MD5
23297f369eb7afcf2ca1da301b8d8f5d

SHA1
088a060127184cd28fdfc6fa1c5d13c0704afa11

SHA256
221dc4df7a472657adc2a494095041dda13a42aedcbe188bfffedd66223413f6

SHA512
41a2b3fa0009e18862193e4d6a3103291c4957fcb6c2ae41681e3362c2c7f7ef23c3eba1f8f333c57e560fecaa8dedefa7f3f72883983f89f9bc8e3279e865ff

Download Submit
memory/1744-5-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/1744-6-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/2860-1-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/2860-2-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/2860-13-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/2860-177-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/2860-212-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/2904-79-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download

Analysis

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