cycbot | 31517a026e70dc7b2620892bc48f86cf1ee219bfa0da56802184f4a30fd6b095

General

Target

cd0e91bba7713d1a7c66d50c4f9aed90_JaffaCakes118.exe
Size

165KB
MD5

cd0e91bba7713d1a7c66d50c4f9aed90
SHA1

fc4dde2537881ce341b8054fe64a9659a235bfaa
SHA256

31517a026e70dc7b2620892bc48f86cf1ee219bfa0da56802184f4a30fd6b095
SHA512

2a1eb564056bb3ea26d4ec36ba1c88482ec7fb26b788dbcde7389f654400403519d0d9c82ec544694e668ddbebba0b3a28ca4e70bf0e452764a6b5ada50615a5
SSDEEP

3072:EfkfcHxa/ZrtSBnZ+k2/d7V2g855t1dRTvydaDgA+XtZ4X:akfcHxaRhS7+kId/85zLRxgAiZ4

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/1572-19-0x0000000000400000-0x0000000000445000-memory.dmp	family_cycbot
behavioral2/memory/2124-20-0x0000000000400000-0x0000000000445000-memory.dmp	family_cycbot
behavioral2/memory/2124-82-0x0000000000400000-0x0000000000445000-memory.dmp	family_cycbot
behavioral2/memory/1908-87-0x0000000000400000-0x0000000000445000-memory.dmp	family_cycbot
behavioral2/memory/2124-200-0x0000000000400000-0x0000000000445000-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"	cd0e91bba7713d1a7c66d50c4f9aed90_JaffaCakes118.exe

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2124-2-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral2/memory/1572-17-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral2/memory/1572-19-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral2/memory/2124-20-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral2/memory/2124-82-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral2/memory/1908-85-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral2/memory/1908-87-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral2/memory/2124-200-0x0000000000400000-0x0000000000445000-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	cd0e91bba7713d1a7c66d50c4f9aed90_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cd0e91bba7713d1a7c66d50c4f9aed90_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cd0e91bba7713d1a7c66d50c4f9aed90_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2124 wrote to memory of 1572	2124	cd0e91bba7713d1a7c66d50c4f9aed90_JaffaCakes118.exe	83
PID 2124 wrote to memory of 1572	2124	cd0e91bba7713d1a7c66d50c4f9aed90_JaffaCakes118.exe	83
PID 2124 wrote to memory of 1572	2124	cd0e91bba7713d1a7c66d50c4f9aed90_JaffaCakes118.exe	83
PID 2124 wrote to memory of 1908	2124	cd0e91bba7713d1a7c66d50c4f9aed90_JaffaCakes118.exe	93
PID 2124 wrote to memory of 1908	2124	cd0e91bba7713d1a7c66d50c4f9aed90_JaffaCakes118.exe	93
PID 2124 wrote to memory of 1908	2124	cd0e91bba7713d1a7c66d50c4f9aed90_JaffaCakes118.exe	93

C:\Users\Admin\AppData\Local\Temp\cd0e91bba7713d1a7c66d50c4f9aed90_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\cd0e91bba7713d1a7c66d50c4f9aed90_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2124
- C:\Users\Admin\AppData\Local\Temp\cd0e91bba7713d1a7c66d50c4f9aed90_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\cd0e91bba7713d1a7c66d50c4f9aed90_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1572
- C:\Users\Admin\AppData\Local\Temp\cd0e91bba7713d1a7c66d50c4f9aed90_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\cd0e91bba7713d1a7c66d50c4f9aed90_JaffaCakes118.exe startC:\Users\Admin\AppData\Local\Temp\csrss.exe%C:\Users\Admin\AppData\Local\Temp
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1908

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\E033.1FF

Filesize
597B

MD5
1e35371ef81f9eae1b6101ef059f5dcf

SHA1
6cc0a828d8be5f40853fa35a74eb202d42d2df22

SHA256
776d30bc9855e10bbdda5da3cadfd735e519cf82428c90a5aab42599666c5762

SHA512
abf43146c6a267f134a6dbb63cbde46d70de9510a5cf2d972c74c78594bb6c766c89dafcd98156dfae6a699ee1b3656af9b395bf21c19ad63bb9217277ee9235

Download Submit
C:\Users\Admin\AppData\Roaming\E033.1FF

Filesize
1KB

MD5
00189bce9edc2fc3b1c0c0e9f384ee14

SHA1
ed8d8c1ed9fe5045fc864b310f525882fb71a09b

SHA256
0511075dcc96c1afebe8c54adf2e2b0a7810726a2b4bcaa0bed60c2b4aa3b134

SHA512
8ea750643fe616d838dd4a36c1b62ebc02927fea1f0a36dac576cce1db560383234bef1def5080c49c73c305391360bc45c65fd06b11f481b4b32cb6bf9a1424

Download Submit
C:\Users\Admin\AppData\Roaming\E033.1FF

Filesize
897B

MD5
da25c70dd5d3fec03dd1ad30bc0889a3

SHA1
edb4cac2f502c401af8ca7d1e1b4df946d89dd73

SHA256
1910bbc330642967b03b76fbb5310d5a88386d5aec2dc2ae76c00709c89bf47a

SHA512
42536814419ef75dd996296c5570ca23938f9c7f51a2831f8d367f30a7834a09c3d9581fe546a3d61c3a51b0f07f464c9aea8525323942cff4c9e6ac972218b1

Download Submit
memory/1572-17-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/1572-19-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/1908-84-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/1908-85-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/1908-87-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2124-20-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2124-1-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2124-82-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2124-2-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2124-200-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads