cycbot | 0e8151b85637b25c22bf33a83280dcccdad86803816afb753a236b38d76e91ef

General

Target

JaffaCakes118_245daee68eea89ca3a91075c41fb7a62.exe
Size

176KB
MD5

245daee68eea89ca3a91075c41fb7a62
SHA1

b48dc350211830608197e895bc35c7bab80fc931
SHA256

0e8151b85637b25c22bf33a83280dcccdad86803816afb753a236b38d76e91ef
SHA512

6e5c08e63b26b96e2e0845b2341a2dac6c72a6d95aa714c3dd7073b20aee77e57ef05b6b33ce325f2b94f7cd0c3bc9f66b1320380077825f21f2e674f96d1774
SSDEEP

3072:s9m82KS3gIf/zsadINGlYQHuM9ATNN/cMFAByiP3ioi6ZYn04PctBkeaiWTISh:s9PkgInwGImH9WTDcxByiPc6an90t2ew

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 2 IoCs

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

resource	yara_rule
behavioral1/memory/2596-12-0x0000000000400000-0x000000000044B000-memory.dmp	family_cycbot
behavioral1/memory/2596-185-0x0000000000400000-0x000000000044B000-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 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2596-2-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral1/memory/2596-12-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral1/memory/2596-185-0x0000000000400000-0x000000000044B000-memory.dmp	upx

Program crash 2 IoCs

pid	pid_target	Process	procid_target
2316	2304	WerFault.exe	30
1148	2516	WerFault.exe	34

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_245daee68eea89ca3a91075c41fb7a62.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_245daee68eea89ca3a91075c41fb7a62.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_245daee68eea89ca3a91075c41fb7a62.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2596 wrote to memory of 2304	2596	JaffaCakes118_245daee68eea89ca3a91075c41fb7a62.exe	30
PID 2596 wrote to memory of 2304	2596	JaffaCakes118_245daee68eea89ca3a91075c41fb7a62.exe	30
PID 2596 wrote to memory of 2304	2596	JaffaCakes118_245daee68eea89ca3a91075c41fb7a62.exe	30
PID 2596 wrote to memory of 2304	2596	JaffaCakes118_245daee68eea89ca3a91075c41fb7a62.exe	30
PID 2304 wrote to memory of 2316	2304	JaffaCakes118_245daee68eea89ca3a91075c41fb7a62.exe	31
PID 2304 wrote to memory of 2316	2304	JaffaCakes118_245daee68eea89ca3a91075c41fb7a62.exe	31
PID 2304 wrote to memory of 2316	2304	JaffaCakes118_245daee68eea89ca3a91075c41fb7a62.exe	31
PID 2304 wrote to memory of 2316	2304	JaffaCakes118_245daee68eea89ca3a91075c41fb7a62.exe	31
PID 2596 wrote to memory of 2516	2596	JaffaCakes118_245daee68eea89ca3a91075c41fb7a62.exe	34
PID 2596 wrote to memory of 2516	2596	JaffaCakes118_245daee68eea89ca3a91075c41fb7a62.exe	34
PID 2596 wrote to memory of 2516	2596	JaffaCakes118_245daee68eea89ca3a91075c41fb7a62.exe	34
PID 2596 wrote to memory of 2516	2596	JaffaCakes118_245daee68eea89ca3a91075c41fb7a62.exe	34
PID 2516 wrote to memory of 1148	2516	JaffaCakes118_245daee68eea89ca3a91075c41fb7a62.exe	35
PID 2516 wrote to memory of 1148	2516	JaffaCakes118_245daee68eea89ca3a91075c41fb7a62.exe	35
PID 2516 wrote to memory of 1148	2516	JaffaCakes118_245daee68eea89ca3a91075c41fb7a62.exe	35
PID 2516 wrote to memory of 1148	2516	JaffaCakes118_245daee68eea89ca3a91075c41fb7a62.exe	35

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_245daee68eea89ca3a91075c41fb7a62.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_245daee68eea89ca3a91075c41fb7a62.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2596
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_245daee68eea89ca3a91075c41fb7a62.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_245daee68eea89ca3a91075c41fb7a62.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2304
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2304 -s 104
    3⤵
    - Program crash
    PID:2316
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_245daee68eea89ca3a91075c41fb7a62.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_245daee68eea89ca3a91075c41fb7a62.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2516
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2516 -s 104
    3⤵
    - Program crash
    PID:1148

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\0A0F.E20

Filesize
600B

MD5
d1d4f5476fd6f581ebd9f5ddbaa329b7

SHA1
74c4379feff3ff6c8593cc1035b76324a169a5d1

SHA256
b04168c447930b901f4181a012ef109e8fff0096ab83492af163d1f7bc9b09ba

SHA512
c9922906b71fdab31665586381744a1fbb5bf8f32a2f3cf8f6412def806446ca88f71b160a6cbed860408ba3b333bcbb837c39410114753aba5cd7050bdb55a3

Download Submit
C:\Users\Admin\AppData\Roaming\0A0F.E20

Filesize
1KB

MD5
aada8d798287be43923fd44f6a118380

SHA1
8027a6fd2ac92076be1d46ba3c2cc55ac9fbfadc

SHA256
68f95864571af495a435884492a54d0f6efaf74d43ef6819bf417ba3f66c155c

SHA512
2c3f447a408469195305e74cab00984118d0b523250b9500a5da7eb3b51cf8696ca223f33a25d8c608e511aecf0f8284cf797f460f78022fb14ce3b9aee9f08b

Download Submit
C:\Users\Admin\AppData\Roaming\0A0F.E20

Filesize
996B

MD5
c90ee2ec5d7e970c76f2e570bf713d7a

SHA1
0879c5924bd966b0603d7d4a0c88fef18232a7e4

SHA256
d6ac54c529adb94b87fa465e2af8179c52066a0b0d65a17102d92ced684ff08f

SHA512
dc0b69832ec2ceea8386fec3c4666d17d4de040be6add84c1ae6c0502060b19bf3bd809bc1ddb76da17b65c93bfb5d4b9b2bf1d0bd54bda5144cfefe72f8ecaa

Download Submit
memory/2596-1-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2596-2-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2596-12-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2596-185-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download

Analysis

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