cycbot | 1ccba7868c028c2b3c34ab1ef08c037405269facc863a98dd3d2616a89116d8d

General

Target

JaffaCakes118_6d11319bded2498649bdb01fd9df6ea6.exe
Size

188KB
MD5

6d11319bded2498649bdb01fd9df6ea6
SHA1

344828c6216a4b94999828983c2164f35435c148
SHA256

1ccba7868c028c2b3c34ab1ef08c037405269facc863a98dd3d2616a89116d8d
SHA512

87513854ef605903d371be84144d2ceb8d99e2c950aded6c92ee0b05a9ee1dcb4cc64b8710d1e27320d62d1251f754ec67d7a98e9976058831d2dcad4dff48e8
SSDEEP

3072:r5BKDKGBj0704zeZ/fVd24/pzZwXJuDEgzw/KkBsg9AjsGgKzg3e1gNrsiVmoboh:r4R07ry/fz/p1Cuu59+jySiHjx16J

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 6 IoCs

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

resource	yara_rule
behavioral1/memory/3016-10-0x0000000000400000-0x0000000000465000-memory.dmp	family_cycbot
behavioral1/memory/1624-15-0x0000000000400000-0x0000000000451000-memory.dmp	family_cycbot
behavioral1/memory/1624-16-0x0000000000400000-0x0000000000465000-memory.dmp	family_cycbot
behavioral1/memory/3016-17-0x0000000000400000-0x0000000000465000-memory.dmp	family_cycbot
behavioral1/memory/1176-95-0x0000000000400000-0x0000000000465000-memory.dmp	family_cycbot
behavioral1/memory/1624-192-0x0000000000400000-0x0000000000465000-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 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1624-3-0x0000000000400000-0x0000000000465000-memory.dmp	upx
behavioral1/memory/3016-10-0x0000000000400000-0x0000000000465000-memory.dmp	upx
behavioral1/memory/1624-15-0x0000000000400000-0x0000000000451000-memory.dmp	upx
behavioral1/memory/1624-16-0x0000000000400000-0x0000000000465000-memory.dmp	upx
behavioral1/memory/3016-17-0x0000000000400000-0x0000000000465000-memory.dmp	upx
behavioral1/memory/1176-93-0x0000000000400000-0x0000000000465000-memory.dmp	upx
behavioral1/memory/1176-95-0x0000000000400000-0x0000000000465000-memory.dmp	upx
behavioral1/memory/1176-92-0x0000000000400000-0x0000000000465000-memory.dmp	upx
behavioral1/memory/1624-192-0x0000000000400000-0x0000000000465000-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_6d11319bded2498649bdb01fd9df6ea6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_6d11319bded2498649bdb01fd9df6ea6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_6d11319bded2498649bdb01fd9df6ea6.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1624 wrote to memory of 3016	1624	JaffaCakes118_6d11319bded2498649bdb01fd9df6ea6.exe	30
PID 1624 wrote to memory of 3016	1624	JaffaCakes118_6d11319bded2498649bdb01fd9df6ea6.exe	30
PID 1624 wrote to memory of 3016	1624	JaffaCakes118_6d11319bded2498649bdb01fd9df6ea6.exe	30
PID 1624 wrote to memory of 3016	1624	JaffaCakes118_6d11319bded2498649bdb01fd9df6ea6.exe	30
PID 1624 wrote to memory of 1176	1624	JaffaCakes118_6d11319bded2498649bdb01fd9df6ea6.exe	33
PID 1624 wrote to memory of 1176	1624	JaffaCakes118_6d11319bded2498649bdb01fd9df6ea6.exe	33
PID 1624 wrote to memory of 1176	1624	JaffaCakes118_6d11319bded2498649bdb01fd9df6ea6.exe	33
PID 1624 wrote to memory of 1176	1624	JaffaCakes118_6d11319bded2498649bdb01fd9df6ea6.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6d11319bded2498649bdb01fd9df6ea6.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6d11319bded2498649bdb01fd9df6ea6.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1624
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6d11319bded2498649bdb01fd9df6ea6.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6d11319bded2498649bdb01fd9df6ea6.exe startC:\Program Files (x86)\LP\B66F\826.exe%C:\Program Files (x86)\LP\B66F
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3016
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6d11319bded2498649bdb01fd9df6ea6.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6d11319bded2498649bdb01fd9df6ea6.exe startC:\Users\Admin\AppData\Roaming\F0A05\FBEB6.exe%C:\Users\Admin\AppData\Roaming\F0A05
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1176

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\F0A05\5636.0A0

Filesize
1KB

MD5
7a26c1ece2735831e7600e9bddffcf37

SHA1
98a9e74f8f7fe6599097b41a2d11cd434d956306

SHA256
e893714dd10f4ca21c0566a3aa44acd63a458360fb2bd2223cef1886665479ad

SHA512
f94dfe3963d44185438255c7e09474bf775b0036b366210379c52cf0ba65b4228c76791f5f588690b6de49e1c67503eb8f50c5d9e40f95cac30ff5d97c91143b

Download Submit
C:\Users\Admin\AppData\Roaming\F0A05\5636.0A0

Filesize
600B

MD5
dfe3e244af03b1950f81128239487e1a

SHA1
67b884506ed56afd87855c440a13d833eec79fa0

SHA256
3f6ebc2585d602286c6de1c3820cf54c2a06afd85963e38bc68cd58c3264d53c

SHA512
07791e517df030f393ab86acd72a3ed61156ce8ef812776fceb300a558e7eac7c2f1da15695514ec7ee96ecfd8c6fb42f6b0ccaba7ded37bb9a31edbf2c25b8d

Download Submit
C:\Users\Admin\AppData\Roaming\F0A05\5636.0A0

Filesize
996B

MD5
0f38801d574ec7fb2c709fbad0caad2c

SHA1
dcbe79dac1021d73e97979d32227a1a810229de8

SHA256
0195a1babb8791b10f264c56de781626d136a000bbc8e3234399193f328f8b65

SHA512
be6f2336930b6fb2801a421b39e77cb0b8e47ef0120f2ef23cdf169520eb95cb6a9dee445ca56fda20d1cc24f92a6b0352f1aaea3b370c79b6107fda72170a4d

Download Submit
memory/1176-93-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/1176-92-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/1176-95-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/1624-16-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/1624-3-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/1624-15-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/1624-0-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/1624-2-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/1624-192-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/1624-193-0x00000000023A0000-0x0000000002405000-memory.dmp

Filesize
404KB

Download
memory/1624-195-0x0000000003490000-0x00000000034F5000-memory.dmp

Filesize
404KB

Download
memory/3016-17-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/3016-7-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/3016-10-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download

Analysis

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