cycbot | ee7e8d3c67a034dbe7196d4f01e7ef9006d87ce1dbb577cdd9d148516012487e

General

Target

9f204ac520b43d2fc0dbee96e0c9e287_JaffaCakes118.exe
Size

182KB
MD5

9f204ac520b43d2fc0dbee96e0c9e287
SHA1

b86fd15f81860eee91943ec4f5eb65a2cb159ef2
SHA256

ee7e8d3c67a034dbe7196d4f01e7ef9006d87ce1dbb577cdd9d148516012487e
SHA512

472ae72c15a3418b26395e27b4a3e44c024578fc6f420242edca5486c78876f04561d87e399896dbcc11af67d67d8ae335381d15e70559299148c308b9761364
SSDEEP

3072:H2Nu+u6t71AZkPRS9HNv0j7d5bmiolHJybr7vbXr87sLL3dwr6h3FDnHj9l8V5J:H2VWcRckOPlHJYr4sLyrC1D5eVfY0JF

Score

10^/10

cycbot backdoor discovery persistence 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 6 IoCs

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

resource	yara_rule
behavioral1/memory/2272-13-0x0000000000400000-0x0000000000442000-memory.dmp	family_cycbot
behavioral1/memory/2272-14-0x0000000000400000-0x0000000000442000-memory.dmp	family_cycbot
behavioral1/memory/2108-15-0x0000000000400000-0x0000000000442000-memory.dmp	family_cycbot
behavioral1/memory/2412-82-0x0000000000400000-0x0000000000442000-memory.dmp	family_cycbot
behavioral1/memory/2108-83-0x0000000000400000-0x0000000000442000-memory.dmp	family_cycbot
behavioral1/memory/2108-189-0x0000000000400000-0x0000000000442000-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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\conhost = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\conhost.exe"	9f204ac520b43d2fc0dbee96e0c9e287_JaffaCakes118.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2108-2-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral1/memory/2272-13-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral1/memory/2272-12-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral1/memory/2272-14-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral1/memory/2108-15-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral1/memory/2412-81-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral1/memory/2412-82-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral1/memory/2108-83-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral1/memory/2108-189-0x0000000000400000-0x0000000000442000-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	9f204ac520b43d2fc0dbee96e0c9e287_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9f204ac520b43d2fc0dbee96e0c9e287_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9f204ac520b43d2fc0dbee96e0c9e287_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2108 wrote to memory of 2272	2108	9f204ac520b43d2fc0dbee96e0c9e287_JaffaCakes118.exe	30
PID 2108 wrote to memory of 2272	2108	9f204ac520b43d2fc0dbee96e0c9e287_JaffaCakes118.exe	30
PID 2108 wrote to memory of 2272	2108	9f204ac520b43d2fc0dbee96e0c9e287_JaffaCakes118.exe	30
PID 2108 wrote to memory of 2272	2108	9f204ac520b43d2fc0dbee96e0c9e287_JaffaCakes118.exe	30
PID 2108 wrote to memory of 2412	2108	9f204ac520b43d2fc0dbee96e0c9e287_JaffaCakes118.exe	32
PID 2108 wrote to memory of 2412	2108	9f204ac520b43d2fc0dbee96e0c9e287_JaffaCakes118.exe	32
PID 2108 wrote to memory of 2412	2108	9f204ac520b43d2fc0dbee96e0c9e287_JaffaCakes118.exe	32
PID 2108 wrote to memory of 2412	2108	9f204ac520b43d2fc0dbee96e0c9e287_JaffaCakes118.exe	32

C:\Users\Admin\AppData\Local\Temp\9f204ac520b43d2fc0dbee96e0c9e287_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\9f204ac520b43d2fc0dbee96e0c9e287_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2108
- C:\Users\Admin\AppData\Local\Temp\9f204ac520b43d2fc0dbee96e0c9e287_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\9f204ac520b43d2fc0dbee96e0c9e287_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2272
- C:\Users\Admin\AppData\Local\Temp\9f204ac520b43d2fc0dbee96e0c9e287_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\9f204ac520b43d2fc0dbee96e0c9e287_JaffaCakes118.exe startC:\Users\Admin\AppData\Local\Temp\csrss.exe%C:\Users\Admin\AppData\Local\Temp
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2412

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

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\0E00.DAF

Filesize
1KB

MD5
0fd21b2d1ee5d807505702039f9a7727

SHA1
3ca53bc51c8097540e73da9d3126257a13acb1d7

SHA256
e47ce23f0819e8f6c5026793b8466d16afac1991201f4f5e0af4c03c7cf0034f

SHA512
ba6b5d96279316dccc7a04a7507fb5d22e96dd135224f40fb56eca89955826957eba6075f00a9b625be8e6258a8eb8c76aa0fd3941d68960fc429fc09ba06ce9

Download Submit
C:\Users\Admin\AppData\Roaming\0E00.DAF

Filesize
600B

MD5
6050266dd238070a0d18a9d2c0ff4a77

SHA1
7f79772dd9f799543699c998a75fedc4ff8294bc

SHA256
17dc948dccb4f83fce9d72b3c776a6e256f8f92248c30a86f950b6454b322436

SHA512
fe025cdbf1e7cc3eccf13c493e41a749766d8f5497bf37ba3b047262b40160f57af0c6c89a29c41866b14867c99c3d1cb07cb9cb1c4ac57c5a126bacb2ab5a88

Download Submit
C:\Users\Admin\AppData\Roaming\0E00.DAF

Filesize
996B

MD5
d0bf6cca7a36c1e98077b25c0b5f6d6f

SHA1
1349becacc72e253b4e91219c1c93c4158a4116a

SHA256
db3897cc6d6030b605b6414c94d8dddd94ee28a74885e5e55bb2a74544d1b635

SHA512
fcb07b1cbaacdd3cb5625016ea6d395f0503b56a78b51338ab07a7853f595eb0d141d3d6691fe0747e46e1b41a2937758746769d206691045cba8858d218dd4f

Download Submit
memory/2108-83-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2108-2-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2108-189-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2108-1-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2108-15-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2272-12-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2272-14-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2272-13-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2412-82-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2412-81-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2412-80-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads