cycbot | 76c7ac6e39553fe1143d39d648b1ac4f9783805e59ade5c0e2ca155af3905d72

General

Target

c798c1b9cba4ffcd33671c47941ea9f0_JaffaCakes118.exe
Size

179KB
MD5

c798c1b9cba4ffcd33671c47941ea9f0
SHA1

82c5fe85508987cfd549bbc668c51a0c9ddd829c
SHA256

76c7ac6e39553fe1143d39d648b1ac4f9783805e59ade5c0e2ca155af3905d72
SHA512

3deb22f84c56c1200c76e0fe94adc609ae1d8c2912b0e0971a57cad02beba87cc2ed1ba2be2afcffc5e4c043ea08be7dae70b958f811ba22f9f12fa198f11fe6
SSDEEP

3072:L8svOQUkW/hGG03dj2bLYZurqqMR96F0AXNErDCHC1u815Se6gFprk:L/vOQfSGG0xeYZufMR9ATNEb1l5Syr

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/2508-15-0x0000000000400000-0x0000000000454000-memory.dmp	family_cycbot
behavioral1/memory/548-16-0x0000000000400000-0x0000000000454000-memory.dmp	family_cycbot
behavioral1/memory/548-17-0x0000000000400000-0x0000000000452000-memory.dmp	family_cycbot
behavioral1/memory/1988-131-0x0000000000400000-0x0000000000454000-memory.dmp	family_cycbot
behavioral1/memory/548-274-0x0000000000400000-0x0000000000454000-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/548-3-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/2508-14-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/2508-15-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/548-16-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/548-17-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral1/memory/1988-131-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/548-274-0x0000000000400000-0x0000000000454000-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	c798c1b9cba4ffcd33671c47941ea9f0_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c798c1b9cba4ffcd33671c47941ea9f0_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c798c1b9cba4ffcd33671c47941ea9f0_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 548 wrote to memory of 2508	548	c798c1b9cba4ffcd33671c47941ea9f0_JaffaCakes118.exe	31
PID 548 wrote to memory of 2508	548	c798c1b9cba4ffcd33671c47941ea9f0_JaffaCakes118.exe	31
PID 548 wrote to memory of 2508	548	c798c1b9cba4ffcd33671c47941ea9f0_JaffaCakes118.exe	31
PID 548 wrote to memory of 2508	548	c798c1b9cba4ffcd33671c47941ea9f0_JaffaCakes118.exe	31
PID 548 wrote to memory of 1988	548	c798c1b9cba4ffcd33671c47941ea9f0_JaffaCakes118.exe	33
PID 548 wrote to memory of 1988	548	c798c1b9cba4ffcd33671c47941ea9f0_JaffaCakes118.exe	33
PID 548 wrote to memory of 1988	548	c798c1b9cba4ffcd33671c47941ea9f0_JaffaCakes118.exe	33
PID 548 wrote to memory of 1988	548	c798c1b9cba4ffcd33671c47941ea9f0_JaffaCakes118.exe	33

C:\Users\Admin\AppData\Local\Temp\c798c1b9cba4ffcd33671c47941ea9f0_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c798c1b9cba4ffcd33671c47941ea9f0_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:548
- C:\Users\Admin\AppData\Local\Temp\c798c1b9cba4ffcd33671c47941ea9f0_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\c798c1b9cba4ffcd33671c47941ea9f0_JaffaCakes118.exe startC:\Program Files (x86)\LP\3CD9\A92.exe%C:\Program Files (x86)\LP\3CD9
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2508
- C:\Users\Admin\AppData\Local\Temp\c798c1b9cba4ffcd33671c47941ea9f0_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\c798c1b9cba4ffcd33671c47941ea9f0_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\90A9A\8D33C.exe%C:\Users\Admin\AppData\Roaming\90A9A
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1988

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\90A9A\A3C9.0A9

Filesize
996B

MD5
1d5957397c0b9f8ccdc0f8b1b9501ecc

SHA1
bf829f1c80c78dfae4592611b59d5d83e1f8669d

SHA256
486313a0cd5231d205fcc6cddb8cdd10955963daea89213bfb2b569a8eaa6790

SHA512
d32efcb048eff10b7d5393074bf4a431471ae5d80fc3f5024312e73e3afa18ca5b909029501d2d8887584817d2252bddb46dcbd263fe9c7c199cab9cf7ab2a79

Download Submit
C:\Users\Admin\AppData\Roaming\90A9A\A3C9.0A9

Filesize
600B

MD5
3fc3605dd6774ac6c5dd756fc45dfbb2

SHA1
6c4790ee06993b5e54f68635407f171f3fd9e1bb

SHA256
d934651ff763b964a26310b2e5f506c55792a690d96232625fe97ea373704023

SHA512
4e87c4429a3ddd4b2db6257df4fd8776eff0a4d1c31968687e6c5f44b9256a9568825d14824ac7ea18e92c3cafa94e740d639b418822133147b4901f28f774fa

Download Submit
C:\Users\Admin\AppData\Roaming\90A9A\A3C9.0A9

Filesize
1KB

MD5
e27752bfc6ec4e4be1520ac6f2c94e3d

SHA1
88d53f7efcb6e96a4cef08faff3723c325ac7e15

SHA256
2e1dfd7535e2d7f3299f290685284732be746a8c90dcc787f58bc0ecd2fd7117

SHA512
8dd028012f6b46dca7d6d10451153d19d970a13f102e6b93e7ee9c4c8d9c6572a43615fece8e965c25c87ecd2d9c748ff36f6cedcb3c6acb6a109b64cd2bb1ae

Download Submit
memory/548-0-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/548-2-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/548-3-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/548-274-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/548-16-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/548-17-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1988-131-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2508-15-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2508-13-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2508-14-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download

Analysis

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