cycbot | 4ee84d560b8c29ef614b8315b53a1509b38d7bb612eb5f8d97f4674144439ed7

General

Target

JaffaCakes118_80824d132b2085ce3d1e42427be0be86.exe
Size

164KB
MD5

80824d132b2085ce3d1e42427be0be86
SHA1

ed43d2b46941d24f35a515ac198fe9985e46e2c3
SHA256

4ee84d560b8c29ef614b8315b53a1509b38d7bb612eb5f8d97f4674144439ed7
SHA512

e919940ac42e978f75de78a26f3f3f502948f4c1f7b41da9f502aa397af4c7186a2717c301e6564934a3aaa67be292390b67436a165abf7c3221ba6ac5dc94c2
SSDEEP

3072:zv9udLn9rh2HjT2jMAxgYcXYb9t8p1WCuA/eBMrPf/UbAC3wixb58I:zsLPqjeePWCuAuiUbv3wixbj

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 5 IoCs

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

resource	yara_rule
behavioral1/memory/1148-7-0x0000000000400000-0x0000000000468000-memory.dmp	family_cycbot
behavioral1/memory/1148-6-0x0000000000400000-0x0000000000468000-memory.dmp	family_cycbot
behavioral1/memory/2528-15-0x0000000000400000-0x0000000000468000-memory.dmp	family_cycbot
behavioral1/memory/2728-78-0x0000000000400000-0x0000000000468000-memory.dmp	family_cycbot
behavioral1/memory/2528-192-0x0000000000400000-0x0000000000468000-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/2528-2-0x0000000000400000-0x0000000000468000-memory.dmp	upx
behavioral1/memory/1148-7-0x0000000000400000-0x0000000000468000-memory.dmp	upx
behavioral1/memory/1148-6-0x0000000000400000-0x0000000000468000-memory.dmp	upx
behavioral1/memory/2528-15-0x0000000000400000-0x0000000000468000-memory.dmp	upx
behavioral1/memory/2728-76-0x0000000000400000-0x0000000000468000-memory.dmp	upx
behavioral1/memory/2728-78-0x0000000000400000-0x0000000000468000-memory.dmp	upx
behavioral1/memory/2528-192-0x0000000000400000-0x0000000000468000-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	JaffaCakes118_80824d132b2085ce3d1e42427be0be86.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_80824d132b2085ce3d1e42427be0be86.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_80824d132b2085ce3d1e42427be0be86.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2528 wrote to memory of 1148	2528	JaffaCakes118_80824d132b2085ce3d1e42427be0be86.exe	31
PID 2528 wrote to memory of 1148	2528	JaffaCakes118_80824d132b2085ce3d1e42427be0be86.exe	31
PID 2528 wrote to memory of 1148	2528	JaffaCakes118_80824d132b2085ce3d1e42427be0be86.exe	31
PID 2528 wrote to memory of 1148	2528	JaffaCakes118_80824d132b2085ce3d1e42427be0be86.exe	31
PID 2528 wrote to memory of 2728	2528	JaffaCakes118_80824d132b2085ce3d1e42427be0be86.exe	33
PID 2528 wrote to memory of 2728	2528	JaffaCakes118_80824d132b2085ce3d1e42427be0be86.exe	33
PID 2528 wrote to memory of 2728	2528	JaffaCakes118_80824d132b2085ce3d1e42427be0be86.exe	33
PID 2528 wrote to memory of 2728	2528	JaffaCakes118_80824d132b2085ce3d1e42427be0be86.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_80824d132b2085ce3d1e42427be0be86.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_80824d132b2085ce3d1e42427be0be86.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2528
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_80824d132b2085ce3d1e42427be0be86.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_80824d132b2085ce3d1e42427be0be86.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1148
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_80824d132b2085ce3d1e42427be0be86.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_80824d132b2085ce3d1e42427be0be86.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2728

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\F2F4.CA8

Filesize
1KB

MD5
f8069facd7f21923621d7fd3ff3f3216

SHA1
8ff617c323c3d5dc81f6bc4827b7aea753ecc785

SHA256
12dfe5e51c9ae9f3ccb26a364feb6da0b01875aeb8b630cca98c0d695e3835e5

SHA512
dd8972f7815c71f0c448f490953bd7d21a1bfbeb79b06957539cb22d251a1991d1f52bc2af124ba4611cdbd63f10cc1d3b32568ae81b187ae98b42b5414112cc

Download Submit
C:\Users\Admin\AppData\Roaming\F2F4.CA8

Filesize
600B

MD5
d29bd82361df44337a9b3a746b76048e

SHA1
9d082d712108ee4f5ef58936e88773938764610c

SHA256
ab59071e079a7dc792b0aa4157316c3ab98d3e577e93173480ff8aff99369566

SHA512
4e541d582115d2781e7c3342e464bc801e746d6d1cdc9000580b6268166fea8bf02b77b99397e7f9fbe6b8c6587c27ee9aa796c9b554c082f2c1b23e2fe79ffd

Download Submit
C:\Users\Admin\AppData\Roaming\F2F4.CA8

Filesize
996B

MD5
c3b7c57e399b175973aafedb7e0fccab

SHA1
3799c688b274434bee5ce76bf97f70c313b8dc60

SHA256
e0d1901fa058ddeb69caf626da5e6922d24521aa7be647c83b3a6ba49c27009a

SHA512
2026b2f0c885b61c35d9c5c8dcfa7de66b7e19c42bfaa6c0cf24531fb804bc4eb6d66afcacab2b71f7712779be50a0472e3345252b46e67a468345ef0ec9ea60

Download Submit
memory/1148-7-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/1148-6-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/2528-1-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/2528-2-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/2528-15-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/2528-192-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/2728-76-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/2728-78-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download

Analysis

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