cycbot | 7306f0dc2b9d6bc4e9a2875c3eb0a7d31b64bd5b1aa28e00f238884615d87d93

General

Target

JaffaCakes118_4bdaec4dacec66581977ace5a21aea7a.exe
Size

185KB
MD5

4bdaec4dacec66581977ace5a21aea7a
SHA1

562f5dd4cc827ff762e5e4aca17ceb255d54cb57
SHA256

7306f0dc2b9d6bc4e9a2875c3eb0a7d31b64bd5b1aa28e00f238884615d87d93
SHA512

c2c1a1c480a2e663fd9fea9ec9a2f50674667d0528609d1892c04691272edc245a1be7d7cf43b388e59fa7fb250ee391f3b1007827989fdc69f9d997917e6339
SSDEEP

3072:cJTJRoRjCk+OlS7h9pYt7K0gl3rV5vNyU8Hfe7qYoxFS/R2/0pcQPny:iTJmk88+Ro7PlH8/wqYoS/oqcQPn

Score

10^/10

cycbot backdoor discovery rat 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
behavioral2/memory/2176-13-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral2/memory/4532-14-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral2/memory/4532-15-0x0000000000400000-0x0000000000452000-memory.dmp	family_cycbot
behavioral2/memory/4100-78-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral2/memory/4532-187-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4532-2-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/2176-12-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/2176-13-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/4532-14-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/4532-15-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral2/memory/4100-78-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/4532-187-0x0000000000400000-0x0000000000455000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 1 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_4bdaec4dacec66581977ace5a21aea7a.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4532 wrote to memory of 2176	4532	JaffaCakes118_4bdaec4dacec66581977ace5a21aea7a.exe	82
PID 4532 wrote to memory of 2176	4532	JaffaCakes118_4bdaec4dacec66581977ace5a21aea7a.exe	82
PID 4532 wrote to memory of 2176	4532	JaffaCakes118_4bdaec4dacec66581977ace5a21aea7a.exe	82
PID 4532 wrote to memory of 4100	4532	JaffaCakes118_4bdaec4dacec66581977ace5a21aea7a.exe	87
PID 4532 wrote to memory of 4100	4532	JaffaCakes118_4bdaec4dacec66581977ace5a21aea7a.exe	87
PID 4532 wrote to memory of 4100	4532	JaffaCakes118_4bdaec4dacec66581977ace5a21aea7a.exe	87

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4bdaec4dacec66581977ace5a21aea7a.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4bdaec4dacec66581977ace5a21aea7a.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4532
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4bdaec4dacec66581977ace5a21aea7a.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4bdaec4dacec66581977ace5a21aea7a.exe startC:\Program Files (x86)\LP\5992\090.exe%C:\Program Files (x86)\LP\5992
  2⤵
  PID:2176
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4bdaec4dacec66581977ace5a21aea7a.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4bdaec4dacec66581977ace5a21aea7a.exe startC:\Users\Admin\AppData\Roaming\2AC49\DD159.exe%C:\Users\Admin\AppData\Roaming\2AC49
  2⤵
  PID:4100

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\2AC49\906B.AC4

Filesize
1KB

MD5
4fba4b98b23d07efa15edaa779f8b674

SHA1
5818d365cd40eac64ecc3bf74480b224af664398

SHA256
976e84027ac3e8a26e272b414c985dd442b485b9db387c24451a612af917e5cb

SHA512
c479c153b3877a62cb0ac7ab407c3bd7a7225d24f3bac9384dd25a9988948db679ccb405e28f38f36c7db3b073aebbec2092c10511c75ee2a70890a867a40bf1

Download Submit
C:\Users\Admin\AppData\Roaming\2AC49\906B.AC4

Filesize
600B

MD5
52eb8276659a2376e2296d3a627fa97a

SHA1
ecf979240c792c30c45d1dfd322408da1427b3e0

SHA256
99d0cb2792f1e8ff7881f0f1eaab1de276ae630b599e4a2150711b678a127f90

SHA512
b7f52fc07604c5d0dd6d2e9a8849bea0300d8034f272cf3c00d5a7230872a6f7623d0974753ae044031dfe2a42c05175853429f3250af0071caa2c0911ababa3

Download Submit
C:\Users\Admin\AppData\Roaming\2AC49\906B.AC4

Filesize
996B

MD5
331dd2c4039c63bf151daf223efe6d69

SHA1
f78e289bcf38692c084dd5affcb41e4a6d3d30b9

SHA256
413fe441b6bb74d81b809c4cf0c4ad24b412989c20f5cc5b108dbf541a72cf0a

SHA512
ef147ea49aac2fab2acf87645fd8980d1e13ad5ffc114fcfca152ede33fa15e259de4bd329200bed57ea1bbeead8c883246483610fa19856aff1bab5e751d687

Download Submit
memory/2176-12-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2176-11-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2176-13-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/4100-78-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/4532-1-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/4532-2-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/4532-14-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/4532-15-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/4532-187-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download

Analysis

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