cycbot | b58cbc3ab06f13a52fa22a665e763928603ba27080917c0ebe68f3a1453d468d

General

Target

a4a814bcce71e24fb4550fe40e2f629e_JaffaCakes118.exe
Size

190KB
MD5

a4a814bcce71e24fb4550fe40e2f629e
SHA1

aeb6992e87b3802c244d3740bdd45f244616dc5d
SHA256

b58cbc3ab06f13a52fa22a665e763928603ba27080917c0ebe68f3a1453d468d
SHA512

07794c22a69fce9ddfb93c97571bfef876d6baf79a7e2b31e6562fb8a64a722f5c5f31180ac10388e505aafe76533adee040d07a8b1be10d9a5ac4460138b441
SSDEEP

3072:uvcqLxjw4XF5/i/NSkJTomKpxw9zWuje7vkdmTuWA8V4h7Zhbm:uvPP5/i/NSkRoTA1WuaomBA44NZ

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/1236-18-0x0000000000400000-0x0000000000469000-memory.dmp	family_cycbot
behavioral1/memory/1236-20-0x0000000000400000-0x0000000000469000-memory.dmp	family_cycbot
behavioral1/memory/1688-21-0x0000000000400000-0x0000000000469000-memory.dmp	family_cycbot
behavioral1/memory/1192-88-0x0000000000400000-0x0000000000469000-memory.dmp	family_cycbot
behavioral1/memory/1688-185-0x0000000000400000-0x0000000000469000-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/1688-2-0x0000000000400000-0x0000000000469000-memory.dmp	upx
behavioral1/memory/1236-18-0x0000000000400000-0x0000000000469000-memory.dmp	upx
behavioral1/memory/1236-20-0x0000000000400000-0x0000000000469000-memory.dmp	upx
behavioral1/memory/1688-21-0x0000000000400000-0x0000000000469000-memory.dmp	upx
behavioral1/memory/1192-87-0x0000000000400000-0x0000000000469000-memory.dmp	upx
behavioral1/memory/1192-88-0x0000000000400000-0x0000000000469000-memory.dmp	upx
behavioral1/memory/1688-185-0x0000000000400000-0x0000000000469000-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	a4a814bcce71e24fb4550fe40e2f629e_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a4a814bcce71e24fb4550fe40e2f629e_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a4a814bcce71e24fb4550fe40e2f629e_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1688 wrote to memory of 1236	1688	a4a814bcce71e24fb4550fe40e2f629e_JaffaCakes118.exe	30
PID 1688 wrote to memory of 1236	1688	a4a814bcce71e24fb4550fe40e2f629e_JaffaCakes118.exe	30
PID 1688 wrote to memory of 1236	1688	a4a814bcce71e24fb4550fe40e2f629e_JaffaCakes118.exe	30
PID 1688 wrote to memory of 1236	1688	a4a814bcce71e24fb4550fe40e2f629e_JaffaCakes118.exe	30
PID 1688 wrote to memory of 1192	1688	a4a814bcce71e24fb4550fe40e2f629e_JaffaCakes118.exe	32
PID 1688 wrote to memory of 1192	1688	a4a814bcce71e24fb4550fe40e2f629e_JaffaCakes118.exe	32
PID 1688 wrote to memory of 1192	1688	a4a814bcce71e24fb4550fe40e2f629e_JaffaCakes118.exe	32
PID 1688 wrote to memory of 1192	1688	a4a814bcce71e24fb4550fe40e2f629e_JaffaCakes118.exe	32

C:\Users\Admin\AppData\Local\Temp\a4a814bcce71e24fb4550fe40e2f629e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a4a814bcce71e24fb4550fe40e2f629e_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1688
- C:\Users\Admin\AppData\Local\Temp\a4a814bcce71e24fb4550fe40e2f629e_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\a4a814bcce71e24fb4550fe40e2f629e_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1236
- C:\Users\Admin\AppData\Local\Temp\a4a814bcce71e24fb4550fe40e2f629e_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\a4a814bcce71e24fb4550fe40e2f629e_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1192

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\9041.CD4

Filesize
597B

MD5
90ad0090d33b7e89527ab8ee28cd4aef

SHA1
afedfb99bd99942e0a9c55f6e1d31cce3c7540a6

SHA256
c624194727dfd7a2b94167b99bb83667b9f9e61f2f4bf0dd98ceddd8f5993350

SHA512
b9e5c2ec37ae535b4f20d31850aecc940bb5a0179d7113e9379a6cc1bf2301733d522ed3612bdc9d4ba83c3d59ec28422cd9034c13c76ff37018f7f3459d6dee

Download Submit
C:\Users\Admin\AppData\Roaming\9041.CD4

Filesize
1KB

MD5
3ddc6640e1bc533f505ea63692baf42e

SHA1
063f9792af5e2ccb9311c7839d0273efc2bf0487

SHA256
84ee2fd50efc971bbd6c1314c1d6b1f1e687b9ecc9376b31f4a7b3e81d077a0e

SHA512
8f004e4266af42b0839d0392c78523e49a1d0c7034272dc843d5fb66514b83835b81c6f55d3ca3a54ff1ee0e57001d2464cdee915368465ea44a004fa1ea8c66

Download Submit
C:\Users\Admin\AppData\Roaming\9041.CD4

Filesize
897B

MD5
a2e94aa2860857b3c8aa646962465055

SHA1
4a47fca814e33763522a824b26f59a5811062022

SHA256
59aa0c4794183de083492981d95c612dd12a96eb0b8581fe2f874413af7cbb66

SHA512
bc63b879fdbbd2aaa7452198227961e5fc1762ace4c70db02a2b2a8eb54187320732e1f5fa34fb5fc8b65cd795252e0b3edcd6f367bd2116a8e445f1fd815e33

Download Submit
C:\Users\Admin\AppData\Roaming\9041.CD4

Filesize
1KB

MD5
8db8e2c83f65509cb6197c13a34f15ff

SHA1
670f9bfbd58aa8b18aca793adb5d0081269a3639

SHA256
c8cff7eeb3743896a6c0f31a3f2f56af9cba22124b0c1ed09f6f23f3714ed5d7

SHA512
8f8cb9dd703ee0f17f21bcbf7d1db67cbd115753f7e111b323c7021e4a174329cce2fd3e31351660c3e8d8c703f9e2ab4fb4a7dd37f8f5291d845ccec2f1efee

Download Submit
memory/1192-88-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/1192-86-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/1192-87-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/1236-18-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/1236-19-0x0000000000646000-0x0000000000670000-memory.dmp

Filesize
168KB

Download
memory/1236-20-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/1688-21-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/1688-1-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/1688-2-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/1688-185-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download

Analysis

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