cycbot | 1844fa3d3dff9ae8df2afd52b8decb2f6cc9d436429229c651a08c91f3f698ef

General

Target

JaffaCakes118_cd5b9532dd1abffda3e5c0dfe9423570.exe
Size

188KB
MD5

cd5b9532dd1abffda3e5c0dfe9423570
SHA1

0f8256782b93c8bb341428a2aa089127f44e03fe
SHA256

1844fa3d3dff9ae8df2afd52b8decb2f6cc9d436429229c651a08c91f3f698ef
SHA512

cc202208d35c977d23386129953ecf45a902ea3d68d93bf7bbb6e938fc2e3a834c6670a730ab9623becb7c88f35418bc6ad0c2d27cbd247bfe1cb4c6fc64cbc6
SSDEEP

3072:wVxXHgOUsKEnfzulyyhBu2xalzz5buuR00w8eFnXLev7DNSaV6:wVxXHgOAyyXu66bXReFCTA

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/4868-13-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral2/memory/3448-14-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral2/memory/3448-15-0x0000000000400000-0x0000000000452000-memory.dmp	family_cycbot
behavioral2/memory/3380-116-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral2/memory/3448-287-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3448-2-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/4868-13-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/3448-14-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/3448-15-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral2/memory/3380-116-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/3448-287-0x0000000000400000-0x0000000000455000-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	JaffaCakes118_cd5b9532dd1abffda3e5c0dfe9423570.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_cd5b9532dd1abffda3e5c0dfe9423570.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_cd5b9532dd1abffda3e5c0dfe9423570.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3448 wrote to memory of 4868	3448	JaffaCakes118_cd5b9532dd1abffda3e5c0dfe9423570.exe	86
PID 3448 wrote to memory of 4868	3448	JaffaCakes118_cd5b9532dd1abffda3e5c0dfe9423570.exe	86
PID 3448 wrote to memory of 4868	3448	JaffaCakes118_cd5b9532dd1abffda3e5c0dfe9423570.exe	86
PID 3448 wrote to memory of 3380	3448	JaffaCakes118_cd5b9532dd1abffda3e5c0dfe9423570.exe	99
PID 3448 wrote to memory of 3380	3448	JaffaCakes118_cd5b9532dd1abffda3e5c0dfe9423570.exe	99
PID 3448 wrote to memory of 3380	3448	JaffaCakes118_cd5b9532dd1abffda3e5c0dfe9423570.exe	99

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_cd5b9532dd1abffda3e5c0dfe9423570.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_cd5b9532dd1abffda3e5c0dfe9423570.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3448
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_cd5b9532dd1abffda3e5c0dfe9423570.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_cd5b9532dd1abffda3e5c0dfe9423570.exe startC:\Program Files (x86)\LP\528F\9D9.exe%C:\Program Files (x86)\LP\528F
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4868
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_cd5b9532dd1abffda3e5c0dfe9423570.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_cd5b9532dd1abffda3e5c0dfe9423570.exe startC:\Users\Admin\AppData\Roaming\FFC52\6D852.exe%C:\Users\Admin\AppData\Roaming\FFC52
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3380

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\FFC52\2D67.FC5

Filesize
996B

MD5
19718fcde6fea240520ed1908027ec74

SHA1
89862522940e244fb50cf9f758f89bb63d7a617d

SHA256
3b6105ade766b846e25fb99e89289713afa92fe7d5dd69c71394d4c3c590d3cc

SHA512
b283d9a0a2ca94569ca2a335ac44efdc23aa3c7fa83f004541388ed42e61de2a37be75794df0d0c763bb0c38cf1520b7ba39774e97c63b54190d998875f91420

Download Submit
C:\Users\Admin\AppData\Roaming\FFC52\2D67.FC5

Filesize
600B

MD5
81a67a9f56a4de6d81dab4e8db9cc9a6

SHA1
c596e31f302c775379d0189d9ab8a59a5e0188f0

SHA256
6d18fa54c5310d794beabed86bc8a518ab0a023987ea2d167dcadaa1582309d8

SHA512
f79e26abe3e503a01834f9e918a69786e002c8bad72e7c4c4abffe460dabb0884ec479948d978573996104da249e76343f3acc4dc8bf67f850adda6973248824

Download Submit
C:\Users\Admin\AppData\Roaming\FFC52\2D67.FC5

Filesize
1KB

MD5
84ef903358b69c1a5ef95e4ec7514579

SHA1
da36c25fed315c5bcbe8a594c957e1226b4dbf0a

SHA256
f20f0c52e7c7a3eaeacc6259112763dccf94f1757be957fcac64f1215d341a14

SHA512
1e785c92acafa834976bee926096ce60d46ce7be0ab8866c31ac42aebd1246e88f55a2160b58e2cb1282d903ad6941ee40bc1ab4ed68dbe0c356ce06fe0cc5c1

Download Submit
memory/3380-116-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/3448-1-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/3448-2-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/3448-14-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/3448-15-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/3448-287-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/4868-11-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/4868-13-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download

Analysis

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