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 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
behavioral2/memory/4912-11-0x0000000000400000-0x0000000000445000-memory.dmp	family_cycbot
behavioral2/memory/2612-16-0x0000000000400000-0x0000000000445000-memory.dmp	family_cycbot
behavioral2/memory/3724-78-0x0000000000400000-0x0000000000445000-memory.dmp	family_cycbot
behavioral2/memory/2612-79-0x0000000000400000-0x0000000000445000-memory.dmp	family_cycbot
behavioral2/memory/2612-189-0x0000000000400000-0x0000000000445000-memory.dmp	family_cycbot

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
behavioral2/memory/2612-2-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral2/memory/4912-9-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral2/memory/4912-8-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral2/memory/4912-11-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral2/memory/2612-16-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral2/memory/3724-78-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral2/memory/2612-79-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral2/memory/2612-189-0x0000000000400000-0x0000000000445000-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 6 IoCs

description	pid	Process	procid_target
PID 2612 wrote to memory of 4912	2612	ec7dbb683dab64773c2e078349c8b42d_JaffaCakes118.exe	83
PID 2612 wrote to memory of 4912	2612	ec7dbb683dab64773c2e078349c8b42d_JaffaCakes118.exe	83
PID 2612 wrote to memory of 4912	2612	ec7dbb683dab64773c2e078349c8b42d_JaffaCakes118.exe	83
PID 2612 wrote to memory of 3724	2612	ec7dbb683dab64773c2e078349c8b42d_JaffaCakes118.exe	91
PID 2612 wrote to memory of 3724	2612	ec7dbb683dab64773c2e078349c8b42d_JaffaCakes118.exe	91
PID 2612 wrote to memory of 3724	2612	ec7dbb683dab64773c2e078349c8b42d_JaffaCakes118.exe	91

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:2612
- 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:4912
- 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:3724

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

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\1BAB.F51

Filesize
1KB

MD5
d01e0efdc73aa1f1ca114c58161c51c1

SHA1
f459fed1261d5e3fa45f997a1d3616936e0121bc

SHA256
a5fe70b8eb7cdeda5fe9862fff55cf78d8cc28e31ddee6fa6caaa84e7f70d290

SHA512
2c4767d168840adf691521fb1c1b9e859b0939c61b0c146193210890b06dfe5432baff45e87bcaf2ac4b191d1ac99b9f06c26cb71afe59bfdfd7b85dbb92d853

Download Submit
C:\Users\Admin\AppData\Roaming\1BAB.F51

Filesize
600B

MD5
d9c543746d99d6cda03c866d7c51fba9

SHA1
f044327e029a8b3ba56cfe256b60ed08ec585aed

SHA256
412e3e60848a9ca177228094fc220576a0ffbb05d2b4c85cbdab595ba479a514

SHA512
4d7e0d6da4f8736acffb4612ffb5a4563f2da63b00da307e73597f7b3666f204861be630d03bbe8aae28037d7df1460907a53677c8335d87e7bc799cc97373c5

Download Submit
C:\Users\Admin\AppData\Roaming\1BAB.F51

Filesize
996B

MD5
7015117137404195d71521f9bf97749c

SHA1
e8a1232b9f6fb8d2aa63daf7338de063fb9a8b38

SHA256
e917f9bd97fa7f657eb2784dc0bc1fc2d2679c56c97852e49b0725bf481be375

SHA512
9b477e707c62c0fb05b6824d289102b75c72370270de0ce54d57a118a1b7715305dcdc899a214403fe691c0ff4a3ee729284249daf5351e39bd53225b5774b7c

Download Submit
memory/2612-79-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2612-16-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2612-1-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2612-2-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2612-189-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/3724-77-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/3724-78-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/4912-11-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/4912-8-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/4912-9-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads