cycbot | 93970059a62b0ef64a5785d9cdd924d498583c6732a4d912de6f7909d874beda

General

Target

JaffaCakes118_63f66e853c3b3138c8786d61b14fceb0.exe
Size

187KB
MD5

63f66e853c3b3138c8786d61b14fceb0
SHA1

d2fdaf8fdcc3c756eb2b5f72ee709820360879f9
SHA256

93970059a62b0ef64a5785d9cdd924d498583c6732a4d912de6f7909d874beda
SHA512

72d9c5b440eca40c42f563fba190ec620bc21d6444a59d84928e63032424a89ff9f50d2962120871a46ca4cf171765ba38c45f0205a28c9c13346c0b69e4c864
SSDEEP

3072:4bqUNDd7v8kp2UvQcheQmPAJWnFMymMwua28i0lyFp2uBI0tJtKswDMNAZ8B:4jHU22UYc7SAJkMif8i0lyL2snKs

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/2988-18-0x0000000000400000-0x000000000044E000-memory.dmp	family_cycbot
behavioral1/memory/1620-19-0x0000000000400000-0x000000000044E000-memory.dmp	family_cycbot
behavioral1/memory/1692-92-0x0000000000400000-0x000000000044E000-memory.dmp	family_cycbot
behavioral1/memory/1620-202-0x0000000000400000-0x000000000044E000-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 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1620-2-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/2988-18-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/2988-17-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/1620-19-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/1692-90-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/1692-92-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/1620-202-0x0000000000400000-0x000000000044E000-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	JaffaCakes118_63f66e853c3b3138c8786d61b14fceb0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_63f66e853c3b3138c8786d61b14fceb0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_63f66e853c3b3138c8786d61b14fceb0.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1620 wrote to memory of 2988	1620	JaffaCakes118_63f66e853c3b3138c8786d61b14fceb0.exe	30
PID 1620 wrote to memory of 2988	1620	JaffaCakes118_63f66e853c3b3138c8786d61b14fceb0.exe	30
PID 1620 wrote to memory of 2988	1620	JaffaCakes118_63f66e853c3b3138c8786d61b14fceb0.exe	30
PID 1620 wrote to memory of 2988	1620	JaffaCakes118_63f66e853c3b3138c8786d61b14fceb0.exe	30
PID 1620 wrote to memory of 1692	1620	JaffaCakes118_63f66e853c3b3138c8786d61b14fceb0.exe	33
PID 1620 wrote to memory of 1692	1620	JaffaCakes118_63f66e853c3b3138c8786d61b14fceb0.exe	33
PID 1620 wrote to memory of 1692	1620	JaffaCakes118_63f66e853c3b3138c8786d61b14fceb0.exe	33
PID 1620 wrote to memory of 1692	1620	JaffaCakes118_63f66e853c3b3138c8786d61b14fceb0.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_63f66e853c3b3138c8786d61b14fceb0.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_63f66e853c3b3138c8786d61b14fceb0.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1620
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_63f66e853c3b3138c8786d61b14fceb0.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_63f66e853c3b3138c8786d61b14fceb0.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2988
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_63f66e853c3b3138c8786d61b14fceb0.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_63f66e853c3b3138c8786d61b14fceb0.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1692

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\C353.E3C

Filesize
597B

MD5
8684160cdd5cf1f4303267f11a460b07

SHA1
4b888b3d07db5601a3af0708dbca15cc8e9ba213

SHA256
4946986f6525ea25b0da77a0caad06dc3da38d553ff2ba8fa735c88375c6a280

SHA512
01f34aa96bfdc3ff17a1f838236d835547d9b192831a7f9dc91ed595b7569ed8e54b094c9fd963f35c5a8e5479a17f53b978861abe48a8abe981bbeee90aaef7

Download Submit
C:\Users\Admin\AppData\Roaming\C353.E3C

Filesize
1KB

MD5
47bf3d448515ef846c79c1ddec67fc02

SHA1
58599f52a41853a5e0924105b4916b0e50d26482

SHA256
237382e103a59d71b0e70ca790a7cf59cf54a0dd5313bcd2dfd0030ac0208088

SHA512
5dbf6b53fb1856ea3069f5eed4149bb53a613faff31c3ca6caf3ffbbd9e93f2f12dfc2161d1f467b1e2e66985220103fd862438cdccbb72126761fc8b66b1bd2

Download Submit
C:\Users\Admin\AppData\Roaming\C353.E3C

Filesize
897B

MD5
d3e0bb815879ea519ad1528785eb5710

SHA1
56297c6d55ead2ee0fb806d0c70c65ae44f35542

SHA256
e47ec6cd0b4a3296bbd87327f25d172b1b6f046833b6aedda5a5a49e82977f10

SHA512
f1171afa58a22381bcd5a843229d624699562d5de39fee20a192f3ffa496d93e464274e5a223159484d3d6517387b5e73e4107aa92acf054c27108a3e735dcad

Download Submit
C:\Users\Admin\AppData\Roaming\C353.E3C

Filesize
1KB

MD5
32108da9ea0e4096902b7e11e1993081

SHA1
0bb7cbec3d6c723b54ea3bc1e93ab38c3913c2e5

SHA256
3dfb21d7ca672bcb21615f856f4926516838b202896c5ba4c1900dde5b22ecd0

SHA512
8a1787965d4f4513f1a112ce78131c2cba8200a7a247239f82964dd229a13d04cf2a3a468a7597e579a76bc56657650e7e68cbf194e15b6558921a562a750923

Download Submit
memory/1620-1-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1620-2-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1620-19-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1620-202-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1692-90-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1692-92-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2988-18-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2988-17-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download

Analysis

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