cycbot | 7661b810e344780bb7c399c227079c91d2b9a50c5d9a4c251684edd22f8204f4

General

Target

921d3755390ed829d38070cb2cb2083e_JaffaCakes118.exe
Size

181KB
MD5

921d3755390ed829d38070cb2cb2083e
SHA1

28a81d4a4a56514c2e80e8272af06144e0d61d19
SHA256

7661b810e344780bb7c399c227079c91d2b9a50c5d9a4c251684edd22f8204f4
SHA512

c6c042335d5292db468a9d3e1dd65ed91ed3cc73d40dfb087254d9375181719e8c00ec050deac897b7f73029c4ae8ad3004ddc056b3a0ef26a0a24c06cd20cd5
SSDEEP

3072:1hjdtzjWVywdP6OjuYxxPUiHvTiT8zVUkfIGFmSc9L2t5KQjOdhyy:1VOHpxc+2TWCkXFmRu5Ke29

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++.

Processes:

resource	yara_rule
behavioral1/memory/2420-14-0x0000000000400000-0x000000000044E000-memory.dmp	family_cycbot
behavioral1/memory/2424-15-0x0000000000400000-0x000000000044E000-memory.dmp	family_cycbot
behavioral1/memory/784-80-0x0000000000400000-0x000000000044E000-memory.dmp	family_cycbot
behavioral1/memory/2424-156-0x0000000000400000-0x000000000044E000-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

Processes:

resource	yara_rule
behavioral1/memory/2424-2-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/2420-14-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/2420-12-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/2424-15-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/784-80-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/2424-156-0x0000000000400000-0x000000000044E000-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

Processes:

921d3755390ed829d38070cb2cb2083e_JaffaCakes118.exe921d3755390ed829d38070cb2cb2083e_JaffaCakes118.exe921d3755390ed829d38070cb2cb2083e_JaffaCakes118.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	921d3755390ed829d38070cb2cb2083e_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	921d3755390ed829d38070cb2cb2083e_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	921d3755390ed829d38070cb2cb2083e_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

921d3755390ed829d38070cb2cb2083e_JaffaCakes118.exe

description	pid	Process	procid_target
PID 2424 wrote to memory of 2420	2424	921d3755390ed829d38070cb2cb2083e_JaffaCakes118.exe	30
PID 2424 wrote to memory of 2420	2424	921d3755390ed829d38070cb2cb2083e_JaffaCakes118.exe	30
PID 2424 wrote to memory of 2420	2424	921d3755390ed829d38070cb2cb2083e_JaffaCakes118.exe	30
PID 2424 wrote to memory of 2420	2424	921d3755390ed829d38070cb2cb2083e_JaffaCakes118.exe	30
PID 2424 wrote to memory of 784	2424	921d3755390ed829d38070cb2cb2083e_JaffaCakes118.exe	33
PID 2424 wrote to memory of 784	2424	921d3755390ed829d38070cb2cb2083e_JaffaCakes118.exe	33
PID 2424 wrote to memory of 784	2424	921d3755390ed829d38070cb2cb2083e_JaffaCakes118.exe	33
PID 2424 wrote to memory of 784	2424	921d3755390ed829d38070cb2cb2083e_JaffaCakes118.exe	33

C:\Users\Admin\AppData\Local\Temp\921d3755390ed829d38070cb2cb2083e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\921d3755390ed829d38070cb2cb2083e_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2424
- C:\Users\Admin\AppData\Local\Temp\921d3755390ed829d38070cb2cb2083e_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\921d3755390ed829d38070cb2cb2083e_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2420
- C:\Users\Admin\AppData\Local\Temp\921d3755390ed829d38070cb2cb2083e_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\921d3755390ed829d38070cb2cb2083e_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:784

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

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Downloads

C:\Users\Admin\AppData\Roaming\FE87.AF2

Filesize
1KB

MD5
dd4ea464b0cab1603df9f35b7579b9bd

SHA1
51dea8c07c3dfc4ddb485a9758186dc89779f4fe

SHA256
554be11b8ac72111553e35bde646b280b00643f6ef5603c2b3777ffb4aad7acd

SHA512
ce2b6e8ebff6318be8d719a96604a41bddb9616ca1cb17ce9f828ab3146e09a125a5c0e6e31a0e06eefd3f25d50d428a9a501d359ff3bb4784134b7d9a19c3d5

Download Submit
C:\Users\Admin\AppData\Roaming\FE87.AF2

Filesize
600B

MD5
625ba3a4150076dfbeed42240b2ddedb

SHA1
eb8e505a3c953f0f6ba527161df8df6f514170df

SHA256
99249b8cf2377a8f8218cde8864fe1933394ec31ccdbac85e5c9ffd3008d31cd

SHA512
9e52e91165cc1f36e336fba953ed79ad28eff828659202278092eda2ab61449fc6b441c7f82264b8fadec2271e4619859bbe6fe5e92cd478a1620778da11fd6f

Download Submit
C:\Users\Admin\AppData\Roaming\FE87.AF2

Filesize
996B

MD5
2439c23a8f731c1d3effbaae8251aa3a

SHA1
b8ba7b3ab342cd55a340f014f11d899bbe14262d

SHA256
d0b6910f6881aaacf8904aa4f405b7ca7bce933b3f241fc8752b5808072d43ca

SHA512
3d4fa43ae0c2be064e44d6ab2a2c466b79052fb771902bc4a28d9680b33c033a1e6c3624097ac1969ce355459d2840ae784f18501def3e0cfac9d3d2b59d4ad4

Download Submit
memory/784-80-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2420-14-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2420-12-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2424-1-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2424-2-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2424-15-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2424-156-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads