cycbot | b578123863060b0f17c6773b6deb5467c17e1b6c04f7ffc4e33f45a499030adf

General

Target

d61c9b8e17d0cc069c4b60999b812c81_JaffaCakes118.exe
Size

208KB
MD5

d61c9b8e17d0cc069c4b60999b812c81
SHA1

4a47a01ea65f6a50ad68eaa3413bc8a5523d5dc7
SHA256

b578123863060b0f17c6773b6deb5467c17e1b6c04f7ffc4e33f45a499030adf
SHA512

797f7aa227219f647f34746af9565c18026f18792df51c3486713edc23aca8874fe24c330d162a07d7c43a2466f8e83281733fe266340b53135c95b5e9b3334e
SSDEEP

3072:qsIbkttKFHyFeKLUVGGKusRLsLHahgKNJXtnuwrcemxkr186pGJ6PIsjCuuj2HyV:FViHue/DJELSa3HtnuwXkXAijGbjl8V

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/2912-6-0x0000000000400000-0x000000000044D000-memory.dmp	family_cycbot
behavioral1/memory/3044-14-0x0000000000400000-0x000000000044D000-memory.dmp	family_cycbot
behavioral1/memory/2584-74-0x0000000000400000-0x000000000044D000-memory.dmp	family_cycbot
behavioral1/memory/3044-75-0x0000000000400000-0x000000000044D000-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/3044-2-0x0000000000400000-0x000000000044D000-memory.dmp	upx
behavioral1/memory/2912-5-0x0000000000400000-0x000000000044D000-memory.dmp	upx
behavioral1/memory/2912-6-0x0000000000400000-0x000000000044D000-memory.dmp	upx
behavioral1/memory/3044-14-0x0000000000400000-0x000000000044D000-memory.dmp	upx
behavioral1/memory/2584-73-0x0000000000400000-0x000000000044D000-memory.dmp	upx
behavioral1/memory/2584-74-0x0000000000400000-0x000000000044D000-memory.dmp	upx
behavioral1/memory/3044-75-0x0000000000400000-0x000000000044D000-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	d61c9b8e17d0cc069c4b60999b812c81_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d61c9b8e17d0cc069c4b60999b812c81_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d61c9b8e17d0cc069c4b60999b812c81_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3044 wrote to memory of 2912	3044	d61c9b8e17d0cc069c4b60999b812c81_JaffaCakes118.exe	30
PID 3044 wrote to memory of 2912	3044	d61c9b8e17d0cc069c4b60999b812c81_JaffaCakes118.exe	30
PID 3044 wrote to memory of 2912	3044	d61c9b8e17d0cc069c4b60999b812c81_JaffaCakes118.exe	30
PID 3044 wrote to memory of 2912	3044	d61c9b8e17d0cc069c4b60999b812c81_JaffaCakes118.exe	30
PID 3044 wrote to memory of 2584	3044	d61c9b8e17d0cc069c4b60999b812c81_JaffaCakes118.exe	33
PID 3044 wrote to memory of 2584	3044	d61c9b8e17d0cc069c4b60999b812c81_JaffaCakes118.exe	33
PID 3044 wrote to memory of 2584	3044	d61c9b8e17d0cc069c4b60999b812c81_JaffaCakes118.exe	33
PID 3044 wrote to memory of 2584	3044	d61c9b8e17d0cc069c4b60999b812c81_JaffaCakes118.exe	33

C:\Users\Admin\AppData\Local\Temp\d61c9b8e17d0cc069c4b60999b812c81_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d61c9b8e17d0cc069c4b60999b812c81_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3044
- C:\Users\Admin\AppData\Local\Temp\d61c9b8e17d0cc069c4b60999b812c81_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\d61c9b8e17d0cc069c4b60999b812c81_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2912
- C:\Users\Admin\AppData\Local\Temp\d61c9b8e17d0cc069c4b60999b812c81_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\d61c9b8e17d0cc069c4b60999b812c81_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2584

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\EB1E.D26

Filesize
1KB

MD5
15801956adee1ead4470b7747840cb10

SHA1
a6c57c5921619f2fe55e4ed5037f4cbbc1060366

SHA256
6bdb5b8ec29b1c0dc1d290628e990cd20afa360522ea8d8e237fc4781528545b

SHA512
5028aae78bd3248bf6645350c7b9f35662753a89701bc57e803db09ec93b58ef1b1fe136af8b1ea0dc68547d9a1f4d26effdb9951fac27abfacbf11284218412

Download Submit
C:\Users\Admin\AppData\Roaming\EB1E.D26

Filesize
600B

MD5
e331aeaddfe6411af7649825479fa9c8

SHA1
94e93745a34beb94b178e3b94f840fbd6422c101

SHA256
c0041c1d6a5c4d2a6bba2723800a7a024050bce27e8b2ffced3647bbf8ce88e5

SHA512
8b2e5ecdbd92b1b34d0ef3800ddf10555f125d3a2d24d374a76f1dae6885d2cb88d9df7f1e2513f3b24012fb6fde541c111959a2b19bc31a173c8b2907ca5965

Download Submit
C:\Users\Admin\AppData\Roaming\EB1E.D26

Filesize
996B

MD5
37ebacf99f25a2e8fa2121d5432b31d8

SHA1
33e7601ec8baa99e70dd230e9a6941f3c5d02c9f

SHA256
ad662df9b6c0fe26c0f200c6d706e41f7c58101a3a4293765caa7d8fcb058bb3

SHA512
49b42955377d569847c4df1e0d6a060fabbbf85fae4a1a78a34e05c0b1116527b3842737b19d9b03451146c1eb241bb3c1c2680c6d55f92135ab2974c6c47243

Download Submit
memory/2584-73-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/2584-74-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/2912-5-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/2912-6-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/3044-1-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/3044-2-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/3044-14-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/3044-75-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download

Analysis

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