cycbot | 724b727534d7a91f37c32891bd89ee1df2491dfad4a32967136ca3665b92cbd0

General

Target

JaffaCakes118_e61758d5a77d3df96dcf94481410a366.exe
Size

190KB
MD5

e61758d5a77d3df96dcf94481410a366
SHA1

20a91d27bb665b508dd2aeee8c1c25dd4f90566d
SHA256

724b727534d7a91f37c32891bd89ee1df2491dfad4a32967136ca3665b92cbd0
SHA512

26a57a7d89a8d15ee0f060d5949b8cbb1d90d56eef09a2bd91e35a7bd6717811ca2362dc067f52290b08481be9d6539d8dff0e7bcc66f15e898273c7ecd09081
SSDEEP

3072:Q9LIlPidQHjhToozLEtNOb7AUzUt9ujShCnJqFeQZ6m5VHJyJKBGfAd2jykY/dz1:wLIlPNHjVokLEte7lA+lnAFeQn3HJyRb

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/4120-13-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral2/memory/2248-14-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral2/memory/2248-15-0x0000000000400000-0x0000000000452000-memory.dmp	family_cycbot
behavioral2/memory/2224-140-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral2/memory/2248-299-0x0000000000400000-0x0000000000455000-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/2248-2-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/4120-12-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/4120-13-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/2248-14-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/2248-15-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral2/memory/2224-140-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/2248-299-0x0000000000400000-0x0000000000455000-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_e61758d5a77d3df96dcf94481410a366.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2248 wrote to memory of 4120	2248	JaffaCakes118_e61758d5a77d3df96dcf94481410a366.exe	84
PID 2248 wrote to memory of 4120	2248	JaffaCakes118_e61758d5a77d3df96dcf94481410a366.exe	84
PID 2248 wrote to memory of 4120	2248	JaffaCakes118_e61758d5a77d3df96dcf94481410a366.exe	84
PID 2248 wrote to memory of 2224	2248	JaffaCakes118_e61758d5a77d3df96dcf94481410a366.exe	87
PID 2248 wrote to memory of 2224	2248	JaffaCakes118_e61758d5a77d3df96dcf94481410a366.exe	87
PID 2248 wrote to memory of 2224	2248	JaffaCakes118_e61758d5a77d3df96dcf94481410a366.exe	87

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e61758d5a77d3df96dcf94481410a366.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e61758d5a77d3df96dcf94481410a366.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2248
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e61758d5a77d3df96dcf94481410a366.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e61758d5a77d3df96dcf94481410a366.exe startC:\Program Files (x86)\LP\5288\9D9.exe%C:\Program Files (x86)\LP\5288
  2⤵
  PID:4120
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e61758d5a77d3df96dcf94481410a366.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e61758d5a77d3df96dcf94481410a366.exe startC:\Users\Admin\AppData\Roaming\85D19\6D852.exe%C:\Users\Admin\AppData\Roaming\85D19
  2⤵
  PID:2224

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\85D19\98FA.5D1

Filesize
996B

MD5
17de04dc28990cd3b2d65f4e96b84941

SHA1
8bfc947d55b893554481814f8e2a546b1604000f

SHA256
a30fd85b84aa1e4966468628baa49f5838f5f2a944ea3766dbc7bd7a8ec03821

SHA512
bf8666fe1e11e9f3332744d3765eb652d020d2a776cd005bccb9bd25b7be5ef09e92b34feed77f8fe8ce61bafb7a606c6a56ea86a3afdeb7c4026dca0651e00c

Download Submit
C:\Users\Admin\AppData\Roaming\85D19\98FA.5D1

Filesize
600B

MD5
95e93caa3e42c62f4c4d473d39addff1

SHA1
68d1a887d0904efcbf91403e74a647f5cf484dc3

SHA256
0ed681cef11bdf87ef9a27d4c0ce5e76fc99c0acf639bbf0e42e5bbf83d10f8e

SHA512
be81ec9265fc0e280cee197cf1e4940641e841ec90e5de66d74a0178617bf5c3930b8cc24644140aeb31d064ddff433b2dbc110f2d30d2cf00083ffaed2b6123

Download Submit
C:\Users\Admin\AppData\Roaming\85D19\98FA.5D1

Filesize
1KB

MD5
f4c7744219f293d80adad919a8b8f2f8

SHA1
2459321cce59d7d50c8df0c9cbb0fdb29ccfe359

SHA256
a93a6e02a43512ea3f18116c233e02a59a2f5b769e0d5f0814e0cdf821c3f4f8

SHA512
b54a349138c406d0722554bb64e0050156a607a14f10e85b35b89462d7722323e921120ce0a9bfa5c7f941d682d6bf8a9f0bf0b6cbf06397bb3e52ecb7715382

Download Submit
memory/2224-140-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2248-1-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2248-2-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2248-14-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2248-15-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2248-299-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/4120-11-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/4120-12-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/4120-13-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download

Analysis

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