cycbot | 28f755ee09403f7d12897917571bdabe00bdc0a973602fd5cd57a18586bcbfce

General

Target

JaffaCakes118_8c3c470d2ab3226e15fbca396c6981b9.exe
Size

180KB
MD5

8c3c470d2ab3226e15fbca396c6981b9
SHA1

a4767fe04a18acd6e60e8d7f1ce81b2d3e4d664c
SHA256

28f755ee09403f7d12897917571bdabe00bdc0a973602fd5cd57a18586bcbfce
SHA512

a88b6aee9594fed50042ea7bf9d4f9e926fc2e2f8299d6d5324a84e973254cb139f513b9e84c04fee748d366328ea5b2abee9639039136d14b2b06f2e17a9a8b
SSDEEP

3072:hYu2CbH1bilWJILB0NpHKgWXnog3B+UsvSYBO6tCDBWpy2NUdnB:hF2CxIWSLBEcRXr+UASYBOYK2CdB

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/2696-21-0x0000000000400000-0x0000000000454000-memory.dmp	family_cycbot
behavioral1/memory/1944-22-0x0000000000400000-0x0000000000454000-memory.dmp	family_cycbot
behavioral1/memory/1944-23-0x0000000000400000-0x0000000000452000-memory.dmp	family_cycbot
behavioral1/memory/1016-129-0x0000000000400000-0x0000000000454000-memory.dmp	family_cycbot
behavioral1/memory/1944-296-0x0000000000400000-0x0000000000454000-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/1944-3-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/2696-21-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/2696-19-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/1944-22-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/1944-23-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral1/memory/1016-129-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/1944-296-0x0000000000400000-0x0000000000454000-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	JaffaCakes118_8c3c470d2ab3226e15fbca396c6981b9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_8c3c470d2ab3226e15fbca396c6981b9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_8c3c470d2ab3226e15fbca396c6981b9.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1944 wrote to memory of 2696	1944	JaffaCakes118_8c3c470d2ab3226e15fbca396c6981b9.exe	30
PID 1944 wrote to memory of 2696	1944	JaffaCakes118_8c3c470d2ab3226e15fbca396c6981b9.exe	30
PID 1944 wrote to memory of 2696	1944	JaffaCakes118_8c3c470d2ab3226e15fbca396c6981b9.exe	30
PID 1944 wrote to memory of 2696	1944	JaffaCakes118_8c3c470d2ab3226e15fbca396c6981b9.exe	30
PID 1944 wrote to memory of 1016	1944	JaffaCakes118_8c3c470d2ab3226e15fbca396c6981b9.exe	33
PID 1944 wrote to memory of 1016	1944	JaffaCakes118_8c3c470d2ab3226e15fbca396c6981b9.exe	33
PID 1944 wrote to memory of 1016	1944	JaffaCakes118_8c3c470d2ab3226e15fbca396c6981b9.exe	33
PID 1944 wrote to memory of 1016	1944	JaffaCakes118_8c3c470d2ab3226e15fbca396c6981b9.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8c3c470d2ab3226e15fbca396c6981b9.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8c3c470d2ab3226e15fbca396c6981b9.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1944
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8c3c470d2ab3226e15fbca396c6981b9.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8c3c470d2ab3226e15fbca396c6981b9.exe startC:\Program Files (x86)\LP\24FC\9F7.exe%C:\Program Files (x86)\LP\24FC
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2696
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8c3c470d2ab3226e15fbca396c6981b9.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8c3c470d2ab3226e15fbca396c6981b9.exe startC:\Users\Admin\AppData\Roaming\C7897\93024.exe%C:\Users\Admin\AppData\Roaming\C7897
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1016

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\C7897\7F26.789

Filesize
1KB

MD5
eda1634a07f8b54969a9e9322a8a3cc9

SHA1
51811a27657881ebd6cf382e25b98f184d1d68ae

SHA256
0b7d76ed3b4d0c73e9e902be4abd8d4cb6cd46c9422d9865db2d4cef90c1ad8b

SHA512
7e25ca3b375767d927de03179e788da5995e66bd6b4c1c49bc48fc6cc184188258aa7f1487cf8946a457a03cad46f06fefa5b9c4d2b49bd4628be8d3faeb8946

Download Submit
C:\Users\Admin\AppData\Roaming\C7897\7F26.789

Filesize
1KB

MD5
686b2fd9c0395c11e273cc2561298586

SHA1
7d061c36521198aec50372efa85931bd40d326a8

SHA256
8f35256f9e43d87fb11f1830724b4391a05eebfa1062e76ec84793d1fe0d4515

SHA512
c1a90984187058193b66c3be66096d786880b0741467cb9287a2a3d04407856355b50457b4015b29d03c97074e3febac27000c8dcdbea0a02aa3b925fd68ae46

Download Submit
C:\Users\Admin\AppData\Roaming\C7897\7F26.789

Filesize
897B

MD5
a7598373814cd324566590db07fb66fa

SHA1
1514a4e5f2367121cf2371d7a6baaccb0f4129cc

SHA256
daa5d96f966b2888dd683d8e3e196a5f5ddf26e8ac10c79f782c40f0ea3be0fa

SHA512
1b08b11d08b0658a23a715ca92de85db903a03470a9e5c577b513a365bf1470c8c6e093d93c14c76c4773e7ae19c7b312af3c2a85ee217ce70b0fb19ca1e168c

Download Submit
C:\Users\Admin\AppData\Roaming\C7897\7F26.789

Filesize
597B

MD5
b002965ca1b6a98c0e4efeb32bc7e314

SHA1
43a09ba9428ef0ce7958c7561207b1fe93be9e33

SHA256
ed515deb36c40c1e0b09d7aec2813dbab927ab705a49ef6f7dc2f22e23955599

SHA512
7d201828a48ce95aeb3d7ab0069502ce002317c336c7d56b6ef414040861e2920818b5a85340f25acbd9aaad559e60572f6243e0ade14cd5034f81ea07a1b826

Download Submit
memory/1016-129-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1944-22-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1944-23-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1944-0-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1944-3-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1944-2-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1944-296-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2696-18-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2696-21-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2696-19-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download

Analysis

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