cycbot | 9d06c234179fbc06b11c66d5e5de79630ac1f6fa045a93394f11e80353d51150

General

Target

ec7dbb683dab64773c2e078349c8b42d_JaffaCakes118.exe
Size

176KB
MD5

ec7dbb683dab64773c2e078349c8b42d
SHA1

57bfca8c885d5af870ad77fddf8c1d2825bb3f9f
SHA256

9d06c234179fbc06b11c66d5e5de79630ac1f6fa045a93394f11e80353d51150
SHA512

f9030fb149437ba3ddfe9c2c7b7c880523f381ffaa8a3c4d25bc28ea78b2701ce66a4141c1904b1e29d5e559539d3120413e296b52b2dbd2d515cc69e5e0f72b
SSDEEP

3072:TuAPwqxrVzjpz1in36COUxRKqovt7ecDU9FUxtKmRl7nb4luO2I:p7ztzQD5AFdDUIxR64O2

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 5 IoCs

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

resource	yara_rule
behavioral1/memory/2264-10-0x0000000000400000-0x0000000000445000-memory.dmp	family_cycbot
behavioral1/memory/2148-15-0x0000000000400000-0x0000000000445000-memory.dmp	family_cycbot
behavioral1/memory/2304-81-0x0000000000400000-0x0000000000445000-memory.dmp	family_cycbot
behavioral1/memory/2148-142-0x0000000000400000-0x0000000000445000-memory.dmp	family_cycbot
behavioral1/memory/2148-192-0x0000000000400000-0x0000000000445000-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"	ec7dbb683dab64773c2e078349c8b42d_JaffaCakes118.exe

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2148-2-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/2264-10-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/2264-8-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/2148-15-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/2304-80-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/2304-81-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/2148-142-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/2148-192-0x0000000000400000-0x0000000000445000-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	ec7dbb683dab64773c2e078349c8b42d_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ec7dbb683dab64773c2e078349c8b42d_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ec7dbb683dab64773c2e078349c8b42d_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2148 wrote to memory of 2264	2148	ec7dbb683dab64773c2e078349c8b42d_JaffaCakes118.exe	30
PID 2148 wrote to memory of 2264	2148	ec7dbb683dab64773c2e078349c8b42d_JaffaCakes118.exe	30
PID 2148 wrote to memory of 2264	2148	ec7dbb683dab64773c2e078349c8b42d_JaffaCakes118.exe	30
PID 2148 wrote to memory of 2264	2148	ec7dbb683dab64773c2e078349c8b42d_JaffaCakes118.exe	30
PID 2148 wrote to memory of 2304	2148	ec7dbb683dab64773c2e078349c8b42d_JaffaCakes118.exe	33
PID 2148 wrote to memory of 2304	2148	ec7dbb683dab64773c2e078349c8b42d_JaffaCakes118.exe	33
PID 2148 wrote to memory of 2304	2148	ec7dbb683dab64773c2e078349c8b42d_JaffaCakes118.exe	33
PID 2148 wrote to memory of 2304	2148	ec7dbb683dab64773c2e078349c8b42d_JaffaCakes118.exe	33

C:\Users\Admin\AppData\Local\Temp\ec7dbb683dab64773c2e078349c8b42d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ec7dbb683dab64773c2e078349c8b42d_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2148
- C:\Users\Admin\AppData\Local\Temp\ec7dbb683dab64773c2e078349c8b42d_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\ec7dbb683dab64773c2e078349c8b42d_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2264
- C:\Users\Admin\AppData\Local\Temp\ec7dbb683dab64773c2e078349c8b42d_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\ec7dbb683dab64773c2e078349c8b42d_JaffaCakes118.exe startC:\Users\Admin\AppData\Local\Temp\csrss.exe%C:\Users\Admin\AppData\Local\Temp
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2304

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

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Downloads

C:\Users\Admin\AppData\Roaming\0B21.F7B

Filesize
1KB

MD5
fff9be3b6792aee0c053a14e3612b6e0

SHA1
49776cb5fb3c60cb0c825c92dd4f2ac2dd8db1df

SHA256
3cdb259d96a7910ce10a4297ccd8781884b49e3f0ad3e56241c50434aed74845

SHA512
832fd8a8cef53cc39055270b2fb27cb2110762ea2a2cdbfc15b909cf314aeeec9c34946bfa5590f31ff8bcb8aff5030916a20d2ea415bf5d05bbb156dd459d36

Download Submit
C:\Users\Admin\AppData\Roaming\0B21.F7B

Filesize
600B

MD5
757f3911f391a36e3280128077c661d8

SHA1
06fa6c484687d9e28221e07b87cc4a8529494d77

SHA256
fd9aa4dbc70a3a4004a1323a2e040fe3fd7126abb863bd671bc1eca32b8af2da

SHA512
39a3836581b995115ecfee7017cb2668e8ecde8bf5e7cdb26309a7af8be6d9e4dfa634ba3aa3a103b4b26c8528c9e50fc586bfff89f082aa2c461c2f4beb71fb

Download Submit
C:\Users\Admin\AppData\Roaming\0B21.F7B

Filesize
996B

MD5
b130284ca514274da42d658bacadf5b6

SHA1
d26ae2d3161f67be3f73dfbccc30b076ea7a93f9

SHA256
183cdba49b6664a2746da41676507a93e05d03ca185ff6b6e518be8559be376d

SHA512
b12c56d84713a575ceaf7a00993f59fb59e5b08b74787e34c8b6fc51ee54be51124c804d0c4ab9a493b133532d273aacb6a23b5817ab1c685c3b0c8c5d25a3fb

Download Submit
memory/2148-1-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2148-2-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2148-15-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2148-142-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2148-192-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2264-10-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2264-8-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2304-80-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2304-81-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads