cycbot | f462384cd178f857f02a49b1020789b361a7a4f18f77f383d5b05de0b5e3830e

General

Target

e42a6b469f9e3d06fd713b5d71397e1b_JaffaCakes118.exe
Size

190KB
MD5

e42a6b469f9e3d06fd713b5d71397e1b
SHA1

02a4dcda334a92c8d8352d245c4c66117fbb4e24
SHA256

f462384cd178f857f02a49b1020789b361a7a4f18f77f383d5b05de0b5e3830e
SHA512

a43f3ef2ac5212034c64ca57b8942729e76df503425d29dcd31e26932753bf01c6b6cf058fc76c6a8e7c5c606c89d1c42d5ea6b433db085198011f0e72c5da76
SSDEEP

3072:fuB0MNkbgivhzSKtcoe+Z8Io5JSlnZFCFVmIWQj16Wqp+EOlv:fuHSbgivh+TvIo5JSlnCz5WQRtq0EOJ

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/2520-14-0x0000000000400000-0x000000000044E000-memory.dmp	family_cycbot
behavioral1/memory/1868-15-0x0000000000400000-0x000000000044E000-memory.dmp	family_cycbot
behavioral1/memory/1492-86-0x0000000000400000-0x000000000044E000-memory.dmp	family_cycbot
behavioral1/memory/1868-186-0x0000000000400000-0x000000000044E000-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/1868-2-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/2520-13-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/2520-14-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/1868-15-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/1492-86-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/1868-186-0x0000000000400000-0x000000000044E000-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	e42a6b469f9e3d06fd713b5d71397e1b_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e42a6b469f9e3d06fd713b5d71397e1b_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e42a6b469f9e3d06fd713b5d71397e1b_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1868 wrote to memory of 2520	1868	e42a6b469f9e3d06fd713b5d71397e1b_JaffaCakes118.exe	30
PID 1868 wrote to memory of 2520	1868	e42a6b469f9e3d06fd713b5d71397e1b_JaffaCakes118.exe	30
PID 1868 wrote to memory of 2520	1868	e42a6b469f9e3d06fd713b5d71397e1b_JaffaCakes118.exe	30
PID 1868 wrote to memory of 2520	1868	e42a6b469f9e3d06fd713b5d71397e1b_JaffaCakes118.exe	30
PID 1868 wrote to memory of 1492	1868	e42a6b469f9e3d06fd713b5d71397e1b_JaffaCakes118.exe	33
PID 1868 wrote to memory of 1492	1868	e42a6b469f9e3d06fd713b5d71397e1b_JaffaCakes118.exe	33
PID 1868 wrote to memory of 1492	1868	e42a6b469f9e3d06fd713b5d71397e1b_JaffaCakes118.exe	33
PID 1868 wrote to memory of 1492	1868	e42a6b469f9e3d06fd713b5d71397e1b_JaffaCakes118.exe	33

C:\Users\Admin\AppData\Local\Temp\e42a6b469f9e3d06fd713b5d71397e1b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e42a6b469f9e3d06fd713b5d71397e1b_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1868
- C:\Users\Admin\AppData\Local\Temp\e42a6b469f9e3d06fd713b5d71397e1b_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\e42a6b469f9e3d06fd713b5d71397e1b_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2520
- C:\Users\Admin\AppData\Local\Temp\e42a6b469f9e3d06fd713b5d71397e1b_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\e42a6b469f9e3d06fd713b5d71397e1b_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1492

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\D821.883

Filesize
1KB

MD5
77d4fde455f099fb1b92ba06d7371012

SHA1
d7e499af44014aee5d90c7a45f206140c44793ea

SHA256
5bf3464f395b51a98e920b3b18bfd4435b1e2d02f4ba7be2fe4fdb9338132282

SHA512
81bd06beb2dd57ac4504d28b54b4be9146dee7567d81a8d2fc78f5352ca34fcb53407b6f4b9015aa9f55b1c5c6d6016e0fba21ade95ac9a73019b63318506349

Download Submit
C:\Users\Admin\AppData\Roaming\D821.883

Filesize
600B

MD5
cc9dfac2c50f05f453f036dee1a282b1

SHA1
b19d8c3824caf67952e648668467934fe8fb1efe

SHA256
7c86d9cdcaadec3dba34277109ca86e475b89e055eeab6871007b8e275b85e87

SHA512
558b14374069d58c87b360abd9ea13eadc57524ea0009ba21b67e19d9312739f499e70bc2f9c0f97e7010c98792e41bcf3a38562a205d9126de299b2b4667823

Download Submit
C:\Users\Admin\AppData\Roaming\D821.883

Filesize
996B

MD5
c4e9580e8b53edda8d1673ac39f5e58b

SHA1
7a72b38a52d5300d7e7ca995aeeb30b8b4e43b25

SHA256
6139a44d9e2c3876641e9a2ece20ad2292b7c4d3900d6e090c9d943195a77d25

SHA512
729162211c5d48b52bd362548bbd0f0fd8e03e6f21abc531f5cab7861cc7df83d4cc5744b9b078b5ca05653866439f171c47494842c3ebc2a10deb03e6498ca7

Download Submit
memory/1492-86-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1868-1-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1868-2-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1868-15-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1868-186-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2520-13-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2520-12-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2520-14-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download

Analysis

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