cycbot | b2342931a413fadbc60bcd00d9add49bebbf147ab3bb305a80d8eb6169d549f4

General

Target

e77b16918e4c32f4d8fdd1fce0a33b65_JaffaCakes118.exe
Size

178KB
MD5

e77b16918e4c32f4d8fdd1fce0a33b65
SHA1

9a5c501771ceb7219a9885a9890f48865603d2a4
SHA256

b2342931a413fadbc60bcd00d9add49bebbf147ab3bb305a80d8eb6169d549f4
SHA512

d11a6501bc583d74c7439a962b2f561e5103ba2f0f38e6edb88a16b7608cbbc356c050a57a33cbea0e7eb89539849d86f3b1bc111afc1ddcc27d9bf2a24f63dd
SSDEEP

3072:pajLOPuOHlI1DN/+VNJCZIkmI7CEJgDbovVbg+bDSd:wjiPupDN/YCWkVCDotU1d

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 7 IoCs

Cycbot is a backdoor and trojan written in C++.

resource	yara_rule
behavioral1/memory/2620-8-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/2620-9-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/1832-10-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/1832-11-0x0000000000400000-0x0000000000452000-memory.dmp	family_cycbot
behavioral1/memory/2700-74-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/2700-76-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/1832-178-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1832-2-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2620-8-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2620-9-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/1832-10-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/1832-11-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral1/memory/2700-74-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2700-76-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/1832-178-0x0000000000400000-0x0000000000455000-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	e77b16918e4c32f4d8fdd1fce0a33b65_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e77b16918e4c32f4d8fdd1fce0a33b65_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e77b16918e4c32f4d8fdd1fce0a33b65_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1832 wrote to memory of 2620	1832	e77b16918e4c32f4d8fdd1fce0a33b65_JaffaCakes118.exe	30
PID 1832 wrote to memory of 2620	1832	e77b16918e4c32f4d8fdd1fce0a33b65_JaffaCakes118.exe	30
PID 1832 wrote to memory of 2620	1832	e77b16918e4c32f4d8fdd1fce0a33b65_JaffaCakes118.exe	30
PID 1832 wrote to memory of 2620	1832	e77b16918e4c32f4d8fdd1fce0a33b65_JaffaCakes118.exe	30
PID 1832 wrote to memory of 2700	1832	e77b16918e4c32f4d8fdd1fce0a33b65_JaffaCakes118.exe	32
PID 1832 wrote to memory of 2700	1832	e77b16918e4c32f4d8fdd1fce0a33b65_JaffaCakes118.exe	32
PID 1832 wrote to memory of 2700	1832	e77b16918e4c32f4d8fdd1fce0a33b65_JaffaCakes118.exe	32
PID 1832 wrote to memory of 2700	1832	e77b16918e4c32f4d8fdd1fce0a33b65_JaffaCakes118.exe	32

C:\Users\Admin\AppData\Local\Temp\e77b16918e4c32f4d8fdd1fce0a33b65_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e77b16918e4c32f4d8fdd1fce0a33b65_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1832
- C:\Users\Admin\AppData\Local\Temp\e77b16918e4c32f4d8fdd1fce0a33b65_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\e77b16918e4c32f4d8fdd1fce0a33b65_JaffaCakes118.exe startC:\Program Files (x86)\LP\7216\00B.exe%C:\Program Files (x86)\LP\7216
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2620
- C:\Users\Admin\AppData\Local\Temp\e77b16918e4c32f4d8fdd1fce0a33b65_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\e77b16918e4c32f4d8fdd1fce0a33b65_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\69CF4\FEC72.exe%C:\Users\Admin\AppData\Roaming\69CF4
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2700

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\69CF4\4A87.9CF

Filesize
300B

MD5
5e81cc0ff46d102aea82956387875fce

SHA1
87013d56fcade01b13ed5ce67c106132992c8b7c

SHA256
66c77cf1724921b3cc15ac39b404984894ede54652268bd2d34bc34d904ed260

SHA512
8dc2e5f9511719f3251042883e260f3e704bfec8a9137a3d37a5a371d49ce0ef167f760d3bf56873937dd8af440ccc46b8d13623259262a2c1d0259d74227ef6

Download Submit
C:\Users\Admin\AppData\Roaming\69CF4\4A87.9CF

Filesize
1KB

MD5
cc1ad45ebdbbc4f43ed121cf840baf67

SHA1
87c856061bb33c8de556f772061b8fedb112e4ff

SHA256
dcbb905a26397411a8f46713cfd063661b5ce57c185c7367b77cba6497784374

SHA512
584847136dbd133d72d8c1f5cfd4c4626886bdb4225fc62997fb8e99bfd3b3bb82498096f57962de199200cdb2fe3da68ac94e0a94d5b7b1bcce56babd83d471

Download Submit
C:\Users\Admin\AppData\Roaming\69CF4\4A87.9CF

Filesize
696B

MD5
517b021e40d0717c815e30552679f54f

SHA1
2bbd11a7e5696dab5fde9732a349c5f54e606ed8

SHA256
39ecd5c4bf9456c5f5262e5677d2db8344d84aab70576d639480694669a5fe00

SHA512
48893b0eae08029c3a3063e1744a7176d6d2715c5530aeea796ae643f3ccead09f537afdb0b23585b8d1a56eecafe3f3cb453b2774448edcdc700204797312f1

Download Submit
memory/1832-2-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/1832-178-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/1832-1-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1832-10-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/1832-11-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2620-7-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2620-9-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2620-8-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2700-73-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2700-76-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2700-74-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download

Analysis

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