cycbot | 86380f3851c9f1906b97a64c7bf9c808cdaefe372d208f7adcdd7073c792e219

General

Target

JaffaCakes118_1b960e0c6b1f5277f9792ff59b32e0ea.exe
Size

188KB
MD5

1b960e0c6b1f5277f9792ff59b32e0ea
SHA1

e718d75502cae3dc90b5715431185cd7983140c7
SHA256

86380f3851c9f1906b97a64c7bf9c808cdaefe372d208f7adcdd7073c792e219
SHA512

8859d0c933f6405718e51a3bea2a30daffdfe2e7743578c2757d6ad141c25678d7a98b727b9fc7b95232ab1624f585bcda339fc55300c48f0c80b68f4a6f84c0
SSDEEP

3072:cxJT2/zPCbfwTYF85CqVnXX+K914mAryDsMDqJertwYEdAKCt:cxJT2/z6bfwk3qj/e52fYWX

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/2448-7-0x0000000000400000-0x0000000000447000-memory.dmp	family_cycbot
behavioral1/memory/1976-14-0x0000000000400000-0x0000000000447000-memory.dmp	family_cycbot
behavioral1/memory/808-70-0x0000000000400000-0x0000000000447000-memory.dmp	family_cycbot
behavioral1/memory/1976-168-0x0000000000400000-0x0000000000447000-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/1976-2-0x0000000000400000-0x0000000000447000-memory.dmp	upx
behavioral1/memory/2448-5-0x0000000000400000-0x0000000000447000-memory.dmp	upx
behavioral1/memory/2448-7-0x0000000000400000-0x0000000000447000-memory.dmp	upx
behavioral1/memory/1976-14-0x0000000000400000-0x0000000000447000-memory.dmp	upx
behavioral1/memory/808-70-0x0000000000400000-0x0000000000447000-memory.dmp	upx
behavioral1/memory/1976-168-0x0000000000400000-0x0000000000447000-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_1b960e0c6b1f5277f9792ff59b32e0ea.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_1b960e0c6b1f5277f9792ff59b32e0ea.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_1b960e0c6b1f5277f9792ff59b32e0ea.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1976 wrote to memory of 2448	1976	JaffaCakes118_1b960e0c6b1f5277f9792ff59b32e0ea.exe	30
PID 1976 wrote to memory of 2448	1976	JaffaCakes118_1b960e0c6b1f5277f9792ff59b32e0ea.exe	30
PID 1976 wrote to memory of 2448	1976	JaffaCakes118_1b960e0c6b1f5277f9792ff59b32e0ea.exe	30
PID 1976 wrote to memory of 2448	1976	JaffaCakes118_1b960e0c6b1f5277f9792ff59b32e0ea.exe	30
PID 1976 wrote to memory of 808	1976	JaffaCakes118_1b960e0c6b1f5277f9792ff59b32e0ea.exe	33
PID 1976 wrote to memory of 808	1976	JaffaCakes118_1b960e0c6b1f5277f9792ff59b32e0ea.exe	33
PID 1976 wrote to memory of 808	1976	JaffaCakes118_1b960e0c6b1f5277f9792ff59b32e0ea.exe	33
PID 1976 wrote to memory of 808	1976	JaffaCakes118_1b960e0c6b1f5277f9792ff59b32e0ea.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1b960e0c6b1f5277f9792ff59b32e0ea.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1b960e0c6b1f5277f9792ff59b32e0ea.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1976
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1b960e0c6b1f5277f9792ff59b32e0ea.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1b960e0c6b1f5277f9792ff59b32e0ea.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2448
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1b960e0c6b1f5277f9792ff59b32e0ea.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1b960e0c6b1f5277f9792ff59b32e0ea.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:808

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\9789.A8A

Filesize
1KB

MD5
351ddc64843fa01695896773265ce988

SHA1
fb1880ba75c102106c6087b02cf926f420be9a92

SHA256
9e0dcd0eddb33741719067ff1ea34d83b912d9d66b94b1325cb9cdc4dc6ee18e

SHA512
85e7e92c808a1a3fc562237afa3bbefc44b28df995a418d874467b4c61d816093e4e9c179c8f6ba38937dad3f6972d48bdb65f2bbc1b1a723e6b446e9ba49803

Download Submit
C:\Users\Admin\AppData\Roaming\9789.A8A

Filesize
600B

MD5
a8885f5ec534d053bff35820c2c8558a

SHA1
f4cd7f8e40cd3f31b526f552108cbd45bc58a0c0

SHA256
ddb2729d421994c7d539c36930512e5320e4b301958dad50c7e29f99cdee7690

SHA512
00456dcbd4d3c39e9dc0f8932d5917bf56220d6cd990c5780407773c4299a91d53a75f425e1408e6f660031b40e72a9913642928044b21d7f67a7c7e212b8abf

Download Submit
C:\Users\Admin\AppData\Roaming\9789.A8A

Filesize
996B

MD5
abe50800c43d36b51312659aa915dae3

SHA1
568399d962ba0a6c3b892aec9abdfefc3b64a2b8

SHA256
a227941b9da1564c88ccb5667e24d319933ec85a4ea50eb090d2ba985d9df9ee

SHA512
2819ea1246cebd96cae51634d72689c8ad9b95ae0e914444c543f43c42f25881e2af03dd94dd240a8d9586ddf2832a3264f83088b10f67fa8dd23924526f2181

Download Submit
memory/808-70-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download
memory/1976-1-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download
memory/1976-2-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download
memory/1976-14-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download
memory/1976-168-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download
memory/2448-5-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download
memory/2448-7-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download

Analysis

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