cycbot | 5277841615325fd8093218175146b54f9baea02b92c1951cfff8e3f156f7f871

General

Target

d35e0b4f895b3dbd84aebc6f3dda1613_JaffaCakes118.exe
Size

183KB
MD5

d35e0b4f895b3dbd84aebc6f3dda1613
SHA1

d30c0c8b5f1a5f893f6f912ed53ed89149370913
SHA256

5277841615325fd8093218175146b54f9baea02b92c1951cfff8e3f156f7f871
SHA512

7b5bd4bf25d568e992cd67b89d23b0ae16f99a9559e0d036af5c7f1a8f6c9ccdbb7656f2dfc7580bb9830d8f6ed41a26e2b3644df76b6f15b1ecda11e73ffe79
SSDEEP

3072:fYHpYZ/JsSGzKm76/2iBm86QWmfK6uNEIXV5AnLATyCILNM+f6I/weymDVtlSyj:fYHpMBs7Pe+iMsK6uDV5nkBBiI/weymR

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/2492-7-0x0000000000400000-0x000000000044F000-memory.dmp	family_cycbot
behavioral1/memory/2460-13-0x0000000000400000-0x000000000044F000-memory.dmp	family_cycbot
behavioral1/memory/2284-76-0x0000000000400000-0x000000000044F000-memory.dmp	family_cycbot
behavioral1/memory/2460-184-0x0000000000400000-0x000000000044F000-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 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2460-1-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral1/memory/2492-7-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral1/memory/2460-13-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral1/memory/2284-75-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral1/memory/2284-76-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral1/memory/2460-184-0x0000000000400000-0x000000000044F000-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	d35e0b4f895b3dbd84aebc6f3dda1613_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d35e0b4f895b3dbd84aebc6f3dda1613_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d35e0b4f895b3dbd84aebc6f3dda1613_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2460 wrote to memory of 2492	2460	d35e0b4f895b3dbd84aebc6f3dda1613_JaffaCakes118.exe	31
PID 2460 wrote to memory of 2492	2460	d35e0b4f895b3dbd84aebc6f3dda1613_JaffaCakes118.exe	31
PID 2460 wrote to memory of 2492	2460	d35e0b4f895b3dbd84aebc6f3dda1613_JaffaCakes118.exe	31
PID 2460 wrote to memory of 2492	2460	d35e0b4f895b3dbd84aebc6f3dda1613_JaffaCakes118.exe	31
PID 2460 wrote to memory of 2284	2460	d35e0b4f895b3dbd84aebc6f3dda1613_JaffaCakes118.exe	33
PID 2460 wrote to memory of 2284	2460	d35e0b4f895b3dbd84aebc6f3dda1613_JaffaCakes118.exe	33
PID 2460 wrote to memory of 2284	2460	d35e0b4f895b3dbd84aebc6f3dda1613_JaffaCakes118.exe	33
PID 2460 wrote to memory of 2284	2460	d35e0b4f895b3dbd84aebc6f3dda1613_JaffaCakes118.exe	33

C:\Users\Admin\AppData\Local\Temp\d35e0b4f895b3dbd84aebc6f3dda1613_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d35e0b4f895b3dbd84aebc6f3dda1613_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2460
- C:\Users\Admin\AppData\Local\Temp\d35e0b4f895b3dbd84aebc6f3dda1613_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\d35e0b4f895b3dbd84aebc6f3dda1613_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2492
- C:\Users\Admin\AppData\Local\Temp\d35e0b4f895b3dbd84aebc6f3dda1613_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\d35e0b4f895b3dbd84aebc6f3dda1613_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2284

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\E4A7.DF5

Filesize
300B

MD5
0eaa5e15557b9deb2aa985834d1cd329

SHA1
fefb2d6a7b784e1bf91016a05f760ed460643687

SHA256
e027fc170c65d01c79a9f5398e4e6e53cad6c78a2fd22634cf2ece75ec94f4e6

SHA512
16126276342ebea6d568a4014bd3a4e79ccce3894b50d829d8b57299081e760f7b3baa4a698056dc38140becd69eece3a9de6dc3373d74e9b6ba1b515f53a27b

Download Submit
C:\Users\Admin\AppData\Roaming\E4A7.DF5

Filesize
1KB

MD5
db558952a713349c2db780103ffb58da

SHA1
bf39010fc5e06372b5e365fd3e29b40879dfd831

SHA256
b797dc187eca35a309b55f4c48d1ef117fdc3bfa973286fe267d72a07dc4dc97

SHA512
3c5559996e78c65d4ac2d6af473f7b7fe658367d9e2e16fdb38f07109001fb44a0b76dac34ba4e5fa2b387035721d22817436a415a55368d68f809c5db4448db

Download Submit
C:\Users\Admin\AppData\Roaming\E4A7.DF5

Filesize
600B

MD5
d6cd5bcd1314085ffb8e838e58dc9fb7

SHA1
95f2cc3765843c97999c5b44069cc10af798d80b

SHA256
e86358953920b92c60664911bcb6de7a6853b7fdc5b6e9ea8c99b77c94f6fecf

SHA512
ea4ead30441995da2437c2858daf15d08dd30f59846c7629cae5e24dc12feba02a2b75bb3b4cd076c13c591733ca5e4f15380683a4744e8d2d41df65fd0543bb

Download Submit
C:\Users\Admin\AppData\Roaming\E4A7.DF5

Filesize
996B

MD5
21efac91a8484243a3406470d03b08ff

SHA1
0ba46624097750f4df345b010de1e602c73e7ab7

SHA256
c405734684ae0b4464207613480d5c9a4de29ad79424e145c93b4cfa3c30d24a

SHA512
4896a4d7e4a7ee0fd257fdd9085138cce5569a82a0d73499f762dd5480747c774b53752fb35c5be88b1aabc6239d024974684703f929ee3489f5e119fe6618ae

Download Submit
memory/2284-75-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2284-74-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2284-76-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2460-1-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2460-13-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2460-184-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2492-7-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download

Analysis

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