cycbot | 1a6de1d6a94d5eeeb2ea4504c2ef4fa6d9e0c25ee22c602fcaf7445d3b0a1827

General

Target

d0f0b91fb9edda7fa0adbfbded2e4fe9_JaffaCakes118.exe
Size

178KB
MD5

d0f0b91fb9edda7fa0adbfbded2e4fe9
SHA1

7128c7f31c577e92a537198441e536be4f5301a7
SHA256

1a6de1d6a94d5eeeb2ea4504c2ef4fa6d9e0c25ee22c602fcaf7445d3b0a1827
SHA512

67c8f9d98a70a470ae263c1db8a310bf0d35c992c6ff12fcf43d0d4341eb9a2afb1de65a9d1d4cf3acc5434ddf29527b525200f3bee910667c3a8ffe2076d6b3
SSDEEP

3072:kFZgh6BqWaJssjUurgvVICAwhhtULZDBqNXcY8QnSh6LtY/G:kFZgh6/sjCShvlBqNX/QytY/

Score

10^/10

cycbot backdoor discovery rat 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
behavioral2/memory/908-13-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral2/memory/2424-14-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral2/memory/2424-15-0x0000000000400000-0x0000000000452000-memory.dmp	family_cycbot
behavioral2/memory/1888-74-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral2/memory/2424-179-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2424-2-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/908-12-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/908-13-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/2424-14-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/2424-15-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral2/memory/1888-74-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/2424-179-0x0000000000400000-0x0000000000455000-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	d0f0b91fb9edda7fa0adbfbded2e4fe9_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d0f0b91fb9edda7fa0adbfbded2e4fe9_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d0f0b91fb9edda7fa0adbfbded2e4fe9_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2424 wrote to memory of 908	2424	d0f0b91fb9edda7fa0adbfbded2e4fe9_JaffaCakes118.exe	82
PID 2424 wrote to memory of 908	2424	d0f0b91fb9edda7fa0adbfbded2e4fe9_JaffaCakes118.exe	82
PID 2424 wrote to memory of 908	2424	d0f0b91fb9edda7fa0adbfbded2e4fe9_JaffaCakes118.exe	82
PID 2424 wrote to memory of 1888	2424	d0f0b91fb9edda7fa0adbfbded2e4fe9_JaffaCakes118.exe	87
PID 2424 wrote to memory of 1888	2424	d0f0b91fb9edda7fa0adbfbded2e4fe9_JaffaCakes118.exe	87
PID 2424 wrote to memory of 1888	2424	d0f0b91fb9edda7fa0adbfbded2e4fe9_JaffaCakes118.exe	87

C:\Users\Admin\AppData\Local\Temp\d0f0b91fb9edda7fa0adbfbded2e4fe9_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d0f0b91fb9edda7fa0adbfbded2e4fe9_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2424
- C:\Users\Admin\AppData\Local\Temp\d0f0b91fb9edda7fa0adbfbded2e4fe9_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\d0f0b91fb9edda7fa0adbfbded2e4fe9_JaffaCakes118.exe startC:\Program Files (x86)\LP\49F0\9EA.exe%C:\Program Files (x86)\LP\49F0
  2⤵
  - System Location Discovery: System Language Discovery
  PID:908
- C:\Users\Admin\AppData\Local\Temp\d0f0b91fb9edda7fa0adbfbded2e4fe9_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\d0f0b91fb9edda7fa0adbfbded2e4fe9_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\0128D\07D49.exe%C:\Users\Admin\AppData\Roaming\0128D
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1888

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\0128D\D224.128

Filesize
1KB

MD5
f493b6c1a5092711ede9aea601507714

SHA1
1f1958502197cd7deb630645c00c439c37d0beb7

SHA256
2a8e4f3f2fedf4a6ab7f3c8d796789f7ff7a5f858f7be8ee7333a65887fad53b

SHA512
a5a6f12c436f50838345c503fb2d254e15a1d7ac8e3bb8ea0142a04234ec0db44a3bea4f86de2e1cdd392172865188d133645fd46faf4e86da85bcd4ccd85040

Download Submit
C:\Users\Admin\AppData\Roaming\0128D\D224.128

Filesize
996B

MD5
d7237177e08b3350b8130cfcc61bcbba

SHA1
00b48f074a05b4cdb71c3354316928306b3e4c58

SHA256
a08e414e9091a534843b366412f9115aedbe108f5fdc61affec29fa39de5b1ce

SHA512
28aeb31aeb149017aba1dae2c58a1ec8b6e5f2241b4f568644cdad87cfbd05d10bdc2b13a3c116e4d3e41426ff8996fa387ce5cd2bc15faf2382a9fc7844355e

Download Submit
C:\Users\Admin\AppData\Roaming\0128D\D224.128

Filesize
600B

MD5
d90d66adc2e1f1bcd90a94de7bbe49b9

SHA1
5cf694e4b3193255094fc37f61b7beb43830aee9

SHA256
fdd30facc3c69a47352a52de73efefe066e2b3174f8ba42fa03e2aa95e64f008

SHA512
6ff42fc53fe48a62182d3fedf9c5bd15edbba2597af16c84d3897080dd203ff960358a575cf2e3bdb99ef7f41902ff41f59897737d677d75542961366e774fac

Download Submit
memory/908-11-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/908-12-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/908-13-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/1888-74-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2424-1-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2424-2-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2424-14-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2424-15-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2424-179-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download

Analysis

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