cycbot | 4c0045013059f3870dbb5e2431ddf6a699249b9f2275f9d9ca8fdd02ecefbcc0

General

Target

JaffaCakes118_62bb40d3189dd88c1686013bb40a4c98.exe
Size

202KB
MD5

62bb40d3189dd88c1686013bb40a4c98
SHA1

9ae8a631a162ea514f3e397c806b43781bc7124f
SHA256

4c0045013059f3870dbb5e2431ddf6a699249b9f2275f9d9ca8fdd02ecefbcc0
SHA512

c2956d0e35011cd0d34502285b547f787a49c2ffe42f745b522d4ed89e45a4c368c5000f19aabeb22574af9c2564c580b253753bfda8d3a4910e3c78cfd88f88
SSDEEP

3072:4CJHLdOXtyeHen1Kqix4N/aWFqkFmhmJZ4uySwhH5j13fXNLpYR//ohwwfYmk09l:xHLycnJP5q/MyXhH7l2//oBY2DmFU

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/2968-5-0x0000000000400000-0x000000000044D000-memory.dmp	family_cycbot
behavioral1/memory/1840-12-0x0000000000400000-0x000000000044D000-memory.dmp	family_cycbot
behavioral1/memory/1840-74-0x0000000000400000-0x000000000044D000-memory.dmp	family_cycbot
behavioral1/memory/2436-76-0x0000000000400000-0x000000000044D000-memory.dmp	family_cycbot
behavioral1/memory/1840-178-0x0000000000400000-0x000000000044D000-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/1840-2-0x0000000000400000-0x000000000044D000-memory.dmp	upx
behavioral1/memory/2968-5-0x0000000000400000-0x000000000044D000-memory.dmp	upx
behavioral1/memory/1840-12-0x0000000000400000-0x000000000044D000-memory.dmp	upx
behavioral1/memory/1840-74-0x0000000000400000-0x000000000044D000-memory.dmp	upx
behavioral1/memory/2436-76-0x0000000000400000-0x000000000044D000-memory.dmp	upx
behavioral1/memory/1840-178-0x0000000000400000-0x000000000044D000-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_62bb40d3189dd88c1686013bb40a4c98.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_62bb40d3189dd88c1686013bb40a4c98.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_62bb40d3189dd88c1686013bb40a4c98.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1840 wrote to memory of 2968	1840	JaffaCakes118_62bb40d3189dd88c1686013bb40a4c98.exe	31
PID 1840 wrote to memory of 2968	1840	JaffaCakes118_62bb40d3189dd88c1686013bb40a4c98.exe	31
PID 1840 wrote to memory of 2968	1840	JaffaCakes118_62bb40d3189dd88c1686013bb40a4c98.exe	31
PID 1840 wrote to memory of 2968	1840	JaffaCakes118_62bb40d3189dd88c1686013bb40a4c98.exe	31
PID 1840 wrote to memory of 2436	1840	JaffaCakes118_62bb40d3189dd88c1686013bb40a4c98.exe	33
PID 1840 wrote to memory of 2436	1840	JaffaCakes118_62bb40d3189dd88c1686013bb40a4c98.exe	33
PID 1840 wrote to memory of 2436	1840	JaffaCakes118_62bb40d3189dd88c1686013bb40a4c98.exe	33
PID 1840 wrote to memory of 2436	1840	JaffaCakes118_62bb40d3189dd88c1686013bb40a4c98.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_62bb40d3189dd88c1686013bb40a4c98.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_62bb40d3189dd88c1686013bb40a4c98.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1840
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_62bb40d3189dd88c1686013bb40a4c98.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_62bb40d3189dd88c1686013bb40a4c98.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2968
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_62bb40d3189dd88c1686013bb40a4c98.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_62bb40d3189dd88c1686013bb40a4c98.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2436

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\885B.AC4

Filesize
600B

MD5
c844da949558d2901e8c8d1e818483e8

SHA1
fa7196b562cf52268d4f5398c7716de9335d9a36

SHA256
ae2960bc914d15d398df551de73371f32f059acb2c0013cfa2d83cf09007a84a

SHA512
59df0f78e09a4a591afc03e916cbd1b4365c28de722eff7ce38d5dd6f6a93565d4c2f6e6079f57e146e330c098387ce6d764c644e7b45662ddc74ec5df279da6

Download Submit
C:\Users\Admin\AppData\Roaming\885B.AC4

Filesize
1KB

MD5
516d558358692def17394f8e31c8bd2c

SHA1
6183e6d21f47c02e51a297c7d495ca9844a3cf69

SHA256
ca8143061aa693846cc4ff414b9cdbcdae80f84fee4a141a136fc3a6b5fd9fca

SHA512
dba78cd244239c0cc8d2ce86cbf764fc74a269b97fd2528ff5806d3a29966d5d9088cf71ba8d921a535b7b2a2823de0b559e50687a1919961a37c482bd413242

Download Submit
memory/1840-1-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/1840-2-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/1840-12-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/1840-74-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/1840-178-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/2436-76-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/2968-5-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download

Analysis

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