cycbot | 69dc9f2126fef82870345bbe15dcf4ccefa3b72a0525c7bbea7402b1ef445ac1

General

Target

JaffaCakes118_e4ca327c526d85a2598edc3e49590db7.exe
Size

176KB
MD5

e4ca327c526d85a2598edc3e49590db7
SHA1

2253c553d8328fc6bab637368566c800924df278
SHA256

69dc9f2126fef82870345bbe15dcf4ccefa3b72a0525c7bbea7402b1ef445ac1
SHA512

9dd1f749edffc928ae205f1063af7c35939c03458c4f812e6d8593bbd7505ebe3ede65efa20e3fdf9ef3b9531f3d8eff4c1b719a14177e93e3348d8563fd6190
SSDEEP

3072:7wbqKYJUz2rp2YLb+tye2FZGZu9ZTA44AM3vf6h1kCZEtd2g4Psp2:7wbqKYyK1L/+7EZ9lRDM/ih2yE6gf

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/2476-8-0x0000000000400000-0x0000000000463000-memory.dmp	family_cycbot
behavioral1/memory/2172-18-0x0000000000400000-0x0000000000463000-memory.dmp	family_cycbot
behavioral1/memory/2172-78-0x0000000000400000-0x0000000000463000-memory.dmp	family_cycbot
behavioral1/memory/1356-85-0x0000000000400000-0x0000000000463000-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/2172-2-0x0000000000400000-0x0000000000463000-memory.dmp	upx
behavioral1/memory/2476-6-0x0000000000400000-0x0000000000463000-memory.dmp	upx
behavioral1/memory/2476-8-0x0000000000400000-0x0000000000463000-memory.dmp	upx
behavioral1/memory/2172-18-0x0000000000400000-0x0000000000463000-memory.dmp	upx
behavioral1/memory/2172-78-0x0000000000400000-0x0000000000463000-memory.dmp	upx
behavioral1/memory/1356-84-0x0000000000400000-0x0000000000463000-memory.dmp	upx
behavioral1/memory/1356-85-0x0000000000400000-0x0000000000463000-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_e4ca327c526d85a2598edc3e49590db7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_e4ca327c526d85a2598edc3e49590db7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_e4ca327c526d85a2598edc3e49590db7.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2172 wrote to memory of 2476	2172	JaffaCakes118_e4ca327c526d85a2598edc3e49590db7.exe	30
PID 2172 wrote to memory of 2476	2172	JaffaCakes118_e4ca327c526d85a2598edc3e49590db7.exe	30
PID 2172 wrote to memory of 2476	2172	JaffaCakes118_e4ca327c526d85a2598edc3e49590db7.exe	30
PID 2172 wrote to memory of 2476	2172	JaffaCakes118_e4ca327c526d85a2598edc3e49590db7.exe	30
PID 2172 wrote to memory of 1356	2172	JaffaCakes118_e4ca327c526d85a2598edc3e49590db7.exe	33
PID 2172 wrote to memory of 1356	2172	JaffaCakes118_e4ca327c526d85a2598edc3e49590db7.exe	33
PID 2172 wrote to memory of 1356	2172	JaffaCakes118_e4ca327c526d85a2598edc3e49590db7.exe	33
PID 2172 wrote to memory of 1356	2172	JaffaCakes118_e4ca327c526d85a2598edc3e49590db7.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e4ca327c526d85a2598edc3e49590db7.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e4ca327c526d85a2598edc3e49590db7.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2172
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e4ca327c526d85a2598edc3e49590db7.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e4ca327c526d85a2598edc3e49590db7.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2476
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e4ca327c526d85a2598edc3e49590db7.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e4ca327c526d85a2598edc3e49590db7.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1356

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\8AC8.001

Filesize
597B

MD5
7b140abb55a08e852a6a4672a68fd157

SHA1
8b6999bd162608058cd404b1e96fca8d64671168

SHA256
d36e6cef3f84f3438540475e604078ddcd05ae64d661e9d63926b0351cb7a1c1

SHA512
4ad4834ca3ef09871bb4ec12f7e1b2d046cfe6e78f24e5a480bdb72d35d91e352cf0fa6b49a7b43e1648fda91e8f0128ffcd3942099e7b057492790421695915

Download Submit
C:\Users\Admin\AppData\Roaming\8AC8.001

Filesize
1KB

MD5
a2cf81cd5d54c1b462f72fe2ba289dd8

SHA1
c5c2ce43524a3eed5a417e87b9e5f85c3c9eb96f

SHA256
9a02662b27e030cf770f3505bbc9dc43c1264c02f9b003273d9ef8a6da0fb30d

SHA512
e2d5fbf5458f51caa36a87d116073c0ba00b225c9000bed680cba36a3f83dd3658a00d67aaabb6357244dcc9dc48ddc36e5d533d99e07d0991c3ff692dfdd796

Download Submit
C:\Users\Admin\AppData\Roaming\8AC8.001

Filesize
897B

MD5
8d670c21254a5292daa3e36301daa175

SHA1
0d3c0277f9f2b5c119a8090977d48b1c3d1219b9

SHA256
0404297d1ec8ba3db031a96d9f191802bd7b49bc8748c0e5fce42efe91b401fa

SHA512
574a767f47b944539d32b90d1c831aebd7fe3babd355a5192fb43df19afe483bac9280d77c8523a9e2f511c40ae30f95ba812a171619e15757b1de7e5e13bb6d

Download Submit
C:\Users\Admin\AppData\Roaming\8AC8.001

Filesize
1KB

MD5
f870bcf96038200927d1d5e5b81f2dee

SHA1
3ba45b628388666b335acf5054891165b61d30ee

SHA256
7338caa019cfc99fdd3b1c67193f7583fe257de3ab7d564c408a3d7cc0496a98

SHA512
88fc45cf11b7b7e08d4cbd02deb220e317211fc806cf56a6e9af926ab528e4de5da55078f4b170191d270e5c63161b68daad9d743377fbd6920cfd6a749db8f9

Download Submit
memory/1356-84-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/1356-85-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2172-1-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2172-2-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2172-18-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2172-78-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2476-6-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2476-8-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download

Analysis

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