cycbot | b3b28e866c281dfcc5c59976b95544659444b019a40e2693f4eec210c983884f

General

Target

eb1ccf55e4d2eca9b18950de56f73d5b_JaffaCakes118.exe
Size

189KB
MD5

eb1ccf55e4d2eca9b18950de56f73d5b
SHA1

24e922a33d7633cb5ca663e369c6a91c07fb1666
SHA256

b3b28e866c281dfcc5c59976b95544659444b019a40e2693f4eec210c983884f
SHA512

15b84f9421a645db2f282f81c7c23b2a2480301a0dc5df04da7cc2204a8048945ce5e1fa9932a75306ba416e885f3dc299e09cce1334eaefb2ce8c4146d1f190
SSDEEP

3072:J00TiApT0yjqipyte+aJvlcSpQt1V1bjhiCnSWFuVLKV623FC72Ku1ciGE8c:J00XBNyETJtdiF1bjhimSNLKV621C72k

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/2744-9-0x0000000000400000-0x000000000044E000-memory.dmp	family_cycbot
behavioral1/memory/2660-15-0x0000000000400000-0x000000000044E000-memory.dmp	family_cycbot
behavioral1/memory/1752-80-0x0000000000400000-0x000000000044E000-memory.dmp	family_cycbot
behavioral1/memory/2660-193-0x0000000000400000-0x000000000044E000-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 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2660-2-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/2744-9-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/2660-15-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/1752-78-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/1752-80-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/2660-193-0x0000000000400000-0x000000000044E000-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	eb1ccf55e4d2eca9b18950de56f73d5b_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eb1ccf55e4d2eca9b18950de56f73d5b_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eb1ccf55e4d2eca9b18950de56f73d5b_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2660 wrote to memory of 2744	2660	eb1ccf55e4d2eca9b18950de56f73d5b_JaffaCakes118.exe	30
PID 2660 wrote to memory of 2744	2660	eb1ccf55e4d2eca9b18950de56f73d5b_JaffaCakes118.exe	30
PID 2660 wrote to memory of 2744	2660	eb1ccf55e4d2eca9b18950de56f73d5b_JaffaCakes118.exe	30
PID 2660 wrote to memory of 2744	2660	eb1ccf55e4d2eca9b18950de56f73d5b_JaffaCakes118.exe	30
PID 2660 wrote to memory of 1752	2660	eb1ccf55e4d2eca9b18950de56f73d5b_JaffaCakes118.exe	32
PID 2660 wrote to memory of 1752	2660	eb1ccf55e4d2eca9b18950de56f73d5b_JaffaCakes118.exe	32
PID 2660 wrote to memory of 1752	2660	eb1ccf55e4d2eca9b18950de56f73d5b_JaffaCakes118.exe	32
PID 2660 wrote to memory of 1752	2660	eb1ccf55e4d2eca9b18950de56f73d5b_JaffaCakes118.exe	32

C:\Users\Admin\AppData\Local\Temp\eb1ccf55e4d2eca9b18950de56f73d5b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\eb1ccf55e4d2eca9b18950de56f73d5b_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2660
- C:\Users\Admin\AppData\Local\Temp\eb1ccf55e4d2eca9b18950de56f73d5b_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\eb1ccf55e4d2eca9b18950de56f73d5b_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2744
- C:\Users\Admin\AppData\Local\Temp\eb1ccf55e4d2eca9b18950de56f73d5b_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\eb1ccf55e4d2eca9b18950de56f73d5b_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1752

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\E637.226

Filesize
1KB

MD5
9514cce2740d3f4a9a975ea3ccfbb061

SHA1
d53461932650eb0e557a482179d962ce8b576d57

SHA256
3b6a2b3e9914ca34238110d2ca15578af8e2b6aee9d9a5f543a1c9b96253c875

SHA512
51467f99b7dfda76d3b5e1d3997cfcf758b50f3fd85fe0d28f4e82821f4c462596511cee5631541915a13a6870bafbf1485c6340a44b83cde59d6e0ffe1c1cdc

Download Submit
C:\Users\Admin\AppData\Roaming\E637.226

Filesize
600B

MD5
587675354683d5187fe2d466144fd9bc

SHA1
d6867c7c34823154d0f1004a829b011b95e2240e

SHA256
e49d416c0b05a0607789e7c94879f34cd768af8766e42e22a8753225a4ae7e51

SHA512
44354b4309c9507731d9de54209fbe2259c0590845af23495f5b8f7f3e38999938b2efc8c5472119f2acf32dd761d4e00a5c6cba4dfb8cd17a04ee87b09811c4

Download Submit
C:\Users\Admin\AppData\Roaming\E637.226

Filesize
996B

MD5
45fc490c1e69396cd5eb927579ccd772

SHA1
3fd460cface2f84e0079a6b357555b03f2cecf92

SHA256
a0f4f00c6cd9dc5830b6f4cc2169e551d0a3f260897ebecda833e33e68da9218

SHA512
1fd68fecb0b6cef65ba741a599c449a641086704e6ca6170d0a18136deab7cdfc3f5be987bc1431b4e4140962d9d54105bbad190e91d0c2f6b1860a4325e07e3

Download Submit
memory/1752-78-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1752-80-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2660-1-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2660-2-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2660-15-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2660-193-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2744-10-0x0000000000585000-0x00000000005A2000-memory.dmp

Filesize
116KB

Download
memory/2744-9-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download

Analysis

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