cycbot | c96bf2ab5f93ede2367b5921dcb543dfa4a32c71e5d61761cadb6e847e909f33

General

Target

ee6e122788bd4d50aa241068682d4462_JaffaCakes118.exe
Size

195KB
MD5

ee6e122788bd4d50aa241068682d4462
SHA1

e1d04dc2a97d146d9e66450d5e3707767731a334
SHA256

c96bf2ab5f93ede2367b5921dcb543dfa4a32c71e5d61761cadb6e847e909f33
SHA512

c426d0150ae9c8a0b4d8cc9f8bf625d1a0b51671a3f19a41124d6efc5ce66245c66fdc30f387769ce7c201a2222eabf02b17efb59ee22d54417b4e50276f5ea2
SSDEEP

3072:WuLlwyWCwDBWvnU3iVLtFnD2/S7mx88pqazZPVlYYi/lmcvsokL5jcWeWNGYtpnP:tCCwUvn+DpqEZtyYiNmcVIOWNq2d9jP

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 4 IoCs

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

resource	yara_rule
behavioral1/memory/2508-6-0x0000000000400000-0x000000000046A000-memory.dmp	family_cycbot
behavioral1/memory/2168-15-0x0000000000400000-0x000000000046A000-memory.dmp	family_cycbot
behavioral1/memory/2168-80-0x0000000000400000-0x000000000046A000-memory.dmp	family_cycbot
behavioral1/memory/2252-83-0x0000000000400000-0x000000000046A000-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 8 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2168-2-0x0000000000400000-0x000000000046A000-memory.dmp	upx
behavioral1/memory/2508-7-0x0000000000400000-0x000000000046A000-memory.dmp	upx
behavioral1/memory/2508-6-0x0000000000400000-0x000000000046A000-memory.dmp	upx
behavioral1/memory/2508-5-0x0000000000400000-0x000000000046A000-memory.dmp	upx
behavioral1/memory/2168-15-0x0000000000400000-0x000000000046A000-memory.dmp	upx
behavioral1/memory/2168-80-0x0000000000400000-0x000000000046A000-memory.dmp	upx
behavioral1/memory/2252-82-0x0000000000400000-0x000000000046A000-memory.dmp	upx
behavioral1/memory/2252-83-0x0000000000400000-0x000000000046A000-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	ee6e122788bd4d50aa241068682d4462_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ee6e122788bd4d50aa241068682d4462_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ee6e122788bd4d50aa241068682d4462_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2168 wrote to memory of 2508	2168	ee6e122788bd4d50aa241068682d4462_JaffaCakes118.exe	30
PID 2168 wrote to memory of 2508	2168	ee6e122788bd4d50aa241068682d4462_JaffaCakes118.exe	30
PID 2168 wrote to memory of 2508	2168	ee6e122788bd4d50aa241068682d4462_JaffaCakes118.exe	30
PID 2168 wrote to memory of 2508	2168	ee6e122788bd4d50aa241068682d4462_JaffaCakes118.exe	30
PID 2168 wrote to memory of 2252	2168	ee6e122788bd4d50aa241068682d4462_JaffaCakes118.exe	32
PID 2168 wrote to memory of 2252	2168	ee6e122788bd4d50aa241068682d4462_JaffaCakes118.exe	32
PID 2168 wrote to memory of 2252	2168	ee6e122788bd4d50aa241068682d4462_JaffaCakes118.exe	32
PID 2168 wrote to memory of 2252	2168	ee6e122788bd4d50aa241068682d4462_JaffaCakes118.exe	32

C:\Users\Admin\AppData\Local\Temp\ee6e122788bd4d50aa241068682d4462_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ee6e122788bd4d50aa241068682d4462_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2168
- C:\Users\Admin\AppData\Local\Temp\ee6e122788bd4d50aa241068682d4462_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\ee6e122788bd4d50aa241068682d4462_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2508
- C:\Users\Admin\AppData\Local\Temp\ee6e122788bd4d50aa241068682d4462_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\ee6e122788bd4d50aa241068682d4462_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2252

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\5F45.CBF

Filesize
1KB

MD5
c52479eaec64d1a6b4f3d97ea7e870dc

SHA1
9946de7adb0673d369a996bb8693fd73b68a8008

SHA256
9de2dcd9bdfc6cfd25a72b4b344219a9e43343619e02927abd95f2e346f97de3

SHA512
e34d12502a621342f08ea0fff45bc02db1017e0a99b61b8e00ddc09c951a88252fc183f887d791195673e4b2f897afb5f3ff7a2c60e609b248f2d410324782ec

Download Submit
C:\Users\Admin\AppData\Roaming\5F45.CBF

Filesize
600B

MD5
de7428b247d3e209fd9988cfb8050f2e

SHA1
12214cf1bb06a873bbb4e9d31f48fb8c88016378

SHA256
d0b76eceddd58b3f89db548db0133f2548ef600d010f07c59a69a687db110e6d

SHA512
bbc7c105190fc84a8a643fde946388519006719ab5cfb0778c16edb7cccb410420243bf1fad71d9d25549911be9e3046f97dae7b0e3d3db63446abb2e86d1afc

Download Submit
C:\Users\Admin\AppData\Roaming\5F45.CBF

Filesize
996B

MD5
02667851d66da4a0b9a5a97d5549e08f

SHA1
ebe7a139c4bb479cf30e4614d91a11ba9111d62a

SHA256
75f7387448168515bdc3739e6eca953706330e18758b01c17fd39bc1c897da9b

SHA512
d0d3981f749f790e429b57d101a3c317b154302614b7657fe1b00dddbb95c7503967fcf03b5e56ed82c624a16a18910c1bb2687378f8d95c183cc36edc276bb6

Download Submit
memory/2168-1-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/2168-2-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/2168-15-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/2168-80-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/2252-82-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/2252-83-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/2508-7-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/2508-6-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/2508-5-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download

Analysis

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