cycbot | 1823d59953d6b8da5ef82c382b6b8ad9db4c62b92687aea5df1c6d3329dd396c

General

Target

e1781288d509e970ab6bf78ca88259a3_JaffaCakes118.exe
Size

172KB
MD5

e1781288d509e970ab6bf78ca88259a3
SHA1

e5b101dcef4a9fadc608346e158cf04ea34adbd0
SHA256

1823d59953d6b8da5ef82c382b6b8ad9db4c62b92687aea5df1c6d3329dd396c
SHA512

b97533402ec10d32c2a38e6003ab4c9fee108ec51949538f36bff12b0ec0332605f550d57c761f5e2bbb145a8cb4283559ec7ecb21fe95fbcb795bea7d52fd5d
SSDEEP

3072:T0JA22FMtpvdgJEolzusinYpmc47eGFJGrg4LWZRnf8ZzShVOAkkx:T0B3tEGmzus43rTGs64S4p9x

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 4 IoCs

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

resource	yara_rule
behavioral1/memory/2236-9-0x0000000000400000-0x0000000000469000-memory.dmp	family_cycbot
behavioral1/memory/3060-20-0x0000000000400000-0x0000000000469000-memory.dmp	family_cycbot
behavioral1/memory/868-100-0x0000000000400000-0x0000000000469000-memory.dmp	family_cycbot
behavioral1/memory/3060-212-0x0000000000400000-0x0000000000469000-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 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3060-1-0x0000000000400000-0x0000000000469000-memory.dmp	upx
behavioral1/memory/2236-7-0x0000000000400000-0x0000000000469000-memory.dmp	upx
behavioral1/memory/2236-9-0x0000000000400000-0x0000000000469000-memory.dmp	upx
behavioral1/memory/3060-20-0x0000000000400000-0x0000000000469000-memory.dmp	upx
behavioral1/memory/868-98-0x0000000000400000-0x0000000000469000-memory.dmp	upx
behavioral1/memory/868-100-0x0000000000400000-0x0000000000469000-memory.dmp	upx
behavioral1/memory/3060-212-0x0000000000400000-0x0000000000469000-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	e1781288d509e970ab6bf78ca88259a3_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e1781288d509e970ab6bf78ca88259a3_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e1781288d509e970ab6bf78ca88259a3_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3060 wrote to memory of 2236	3060	e1781288d509e970ab6bf78ca88259a3_JaffaCakes118.exe	30
PID 3060 wrote to memory of 2236	3060	e1781288d509e970ab6bf78ca88259a3_JaffaCakes118.exe	30
PID 3060 wrote to memory of 2236	3060	e1781288d509e970ab6bf78ca88259a3_JaffaCakes118.exe	30
PID 3060 wrote to memory of 2236	3060	e1781288d509e970ab6bf78ca88259a3_JaffaCakes118.exe	30
PID 3060 wrote to memory of 868	3060	e1781288d509e970ab6bf78ca88259a3_JaffaCakes118.exe	33
PID 3060 wrote to memory of 868	3060	e1781288d509e970ab6bf78ca88259a3_JaffaCakes118.exe	33
PID 3060 wrote to memory of 868	3060	e1781288d509e970ab6bf78ca88259a3_JaffaCakes118.exe	33
PID 3060 wrote to memory of 868	3060	e1781288d509e970ab6bf78ca88259a3_JaffaCakes118.exe	33

C:\Users\Admin\AppData\Local\Temp\e1781288d509e970ab6bf78ca88259a3_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e1781288d509e970ab6bf78ca88259a3_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3060
- C:\Users\Admin\AppData\Local\Temp\e1781288d509e970ab6bf78ca88259a3_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\e1781288d509e970ab6bf78ca88259a3_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2236
- C:\Users\Admin\AppData\Local\Temp\e1781288d509e970ab6bf78ca88259a3_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\e1781288d509e970ab6bf78ca88259a3_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:868

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\4C91.60D

Filesize
597B

MD5
9a5655204e481eee1cb860a5eb256d58

SHA1
bcaf7680cbf29c541cbd07457fe2cdc642b3acf2

SHA256
3c4071393dbf069047bf01ad5e99ea12ae92e1c2fc70ad3822ce82d125aeec62

SHA512
6bb3d30a654c1711786bea4b361e6dd5edb7e2f10c019a078e5f79e50940d71a0ef1a0a35fd5c6125fdbbdd81e7341fb3c4241cca0bfa4bdc63fb027d7966980

Download Submit
C:\Users\Admin\AppData\Roaming\4C91.60D

Filesize
1KB

MD5
857e03ffde0d449a5b56ec94489bdc1f

SHA1
914d74a32deed28b89e701632d7523ce1dd1f3ff

SHA256
0737bb9f0ce9acff7b1b611df7e3f4fef41ee18c4d60d0afc7a2c2ce1f2b32fb

SHA512
b709b4c816062ec5f160b96d312fa0aceb1700712562c2e44413bc970f398b078a64270288c30791507e0a6a526e6a3e4eedff754433395de3efd5f1f4a1ebdd

Download Submit
C:\Users\Admin\AppData\Roaming\4C91.60D

Filesize
897B

MD5
a15c8264b342ff12ee737d473774477d

SHA1
245dfb3212391ae838e6819dd44ee49522e09eae

SHA256
819cde57e681144293576d1e236ed82b1f10bc62e3b3678e570cf5348b513cc3

SHA512
c65a7d76c3c02f98461b9140e53a285a5ec8b42507799e505f284ed84354e742fe47564f682770e49d25c448162dc2d3a12b976671eface70139c1724f7832ef

Download Submit
C:\Users\Admin\AppData\Roaming\4C91.60D

Filesize
1KB

MD5
9cbd3e1aa51e88f585eeeda4770ef25f

SHA1
812a50aea7917206c0b22a9458a16e51b6050aa4

SHA256
50c3a27985e2bc9a9b311bbb000a11e860b578e3bde99992b6d4d2ae3f3fb702

SHA512
456b812d1d1c3999640d55edab2214832a4f57bbddbb5eda4dd1df8086f11449b90146f1997d853220b555132d1d956c586c3301800b0aa18251c2b3a74261a1

Download Submit
memory/868-97-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/868-98-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/868-100-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2236-9-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2236-7-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2236-6-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/3060-20-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/3060-1-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/3060-212-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download

Analysis

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