cycbot | 0e0f96787cb12572ccfa4ef5f9244fbf218a37dbaa5248f61e5fd5b8d364a911

General

Target

JaffaCakes118_2bae47087fb186faefdf1fec7a1d0053.exe
Size

181KB
MD5

2bae47087fb186faefdf1fec7a1d0053
SHA1

08f7ce5175b31b7449ed57d97d51459c16638688
SHA256

0e0f96787cb12572ccfa4ef5f9244fbf218a37dbaa5248f61e5fd5b8d364a911
SHA512

bf1ae539180b9c0cfce984ae37d06d863f726b65f6a4e2bba5f2d16db5dbd2d433b8ac86b5db9fdbfc46523f014fcb06d3d465142f7de3a00125d492133f4f41
SSDEEP

3072:qOm0gxELrERz+q2CloFU5uPQnRVifWRRKVxYYVxZQEvOU62BgWMYk:qagxAm+q2GVuPGRVi+XqLBvO1Zrj

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/2124-7-0x0000000000400000-0x000000000044B000-memory.dmp	family_cycbot
behavioral1/memory/2440-15-0x0000000000400000-0x000000000044B000-memory.dmp	family_cycbot
behavioral1/memory/1512-81-0x0000000000400000-0x000000000044B000-memory.dmp	family_cycbot
behavioral1/memory/2440-187-0x0000000000400000-0x000000000044B000-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 8 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2440-2-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral1/memory/2124-5-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral1/memory/2124-6-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral1/memory/2124-7-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral1/memory/2440-15-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral1/memory/1512-80-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral1/memory/1512-81-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral1/memory/2440-187-0x0000000000400000-0x000000000044B000-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_2bae47087fb186faefdf1fec7a1d0053.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_2bae47087fb186faefdf1fec7a1d0053.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_2bae47087fb186faefdf1fec7a1d0053.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2440 wrote to memory of 2124	2440	JaffaCakes118_2bae47087fb186faefdf1fec7a1d0053.exe	30
PID 2440 wrote to memory of 2124	2440	JaffaCakes118_2bae47087fb186faefdf1fec7a1d0053.exe	30
PID 2440 wrote to memory of 2124	2440	JaffaCakes118_2bae47087fb186faefdf1fec7a1d0053.exe	30
PID 2440 wrote to memory of 2124	2440	JaffaCakes118_2bae47087fb186faefdf1fec7a1d0053.exe	30
PID 2440 wrote to memory of 1512	2440	JaffaCakes118_2bae47087fb186faefdf1fec7a1d0053.exe	32
PID 2440 wrote to memory of 1512	2440	JaffaCakes118_2bae47087fb186faefdf1fec7a1d0053.exe	32
PID 2440 wrote to memory of 1512	2440	JaffaCakes118_2bae47087fb186faefdf1fec7a1d0053.exe	32
PID 2440 wrote to memory of 1512	2440	JaffaCakes118_2bae47087fb186faefdf1fec7a1d0053.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2bae47087fb186faefdf1fec7a1d0053.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2bae47087fb186faefdf1fec7a1d0053.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2440
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2bae47087fb186faefdf1fec7a1d0053.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2bae47087fb186faefdf1fec7a1d0053.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2124
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2bae47087fb186faefdf1fec7a1d0053.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2bae47087fb186faefdf1fec7a1d0053.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1512

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\D73D.C7F

Filesize
1KB

MD5
f2b96bd62b8e68dd2ee36caf7624bb31

SHA1
df74644a28ac51d648cf1dd445666dd6a14b95f4

SHA256
6af6cd4639a0d0ceaf9e66812243ee2bd02631a84093a17270a36552383949ce

SHA512
dd2a284230b19ede2d99bbfaca8b2e19a34668ee2b210f7ac8b1fd26215e5e095d21dc8ccb2b86d8b597fad8e940d09972e68a4aa922d33a2d8217b18ee9432c

Download Submit
C:\Users\Admin\AppData\Roaming\D73D.C7F

Filesize
600B

MD5
8ec2145acc44d56f802bafcdfe07ab1c

SHA1
c75baeef20fbf15c27729f2c637ca1c3bc4a552b

SHA256
4dcb9d37ff73df6d8951204f6d97d7ac25c64cf42defd560545800c96966e35b

SHA512
60199cbf84c2a7150f6a247a3cac1c5bd101cd285aad8d9756588c2153daec691515aa40379abb316cebc4836189a1cbaff3d853e2f81611492452db0927c4d1

Download Submit
C:\Users\Admin\AppData\Roaming\D73D.C7F

Filesize
996B

MD5
51819dc6ea60a4c394d4f0a766acd1d9

SHA1
53495cbc863be0b329d738d01094637bf9e494cb

SHA256
01ab2a31fc27d008f245b1ec7482ff2cccd20ab32e1400f20445b509f66c30d9

SHA512
a87d6cba0c3a904dec1d2ef1438676f2c963b3ce2ecc34f9cf4e84c624c5199745d49f37b984c7568fde46f8b12dead53e9b42520b9d219918ba6730bfdc7516

Download Submit
memory/1512-80-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1512-81-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2124-5-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2124-6-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2124-7-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2440-2-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2440-1-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2440-15-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2440-187-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download

Analysis

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