cycbot | 034ce53a46ab2b1842f024f35dc329f13af6554b43b4d48f8099da31d64f05e6

General

Target

JaffaCakes118_6a4ccc6f08ccac75c80aed8bbf27c931.exe
Size

193KB
MD5

6a4ccc6f08ccac75c80aed8bbf27c931
SHA1

c8d55a1669ac410b95da833ca5c0eff3868fdb94
SHA256

034ce53a46ab2b1842f024f35dc329f13af6554b43b4d48f8099da31d64f05e6
SHA512

0941e765ac938bfdc58b16e962339a24c70e149187e8edd9df394fa88b6c449de3b1010ae596dba6777f01076d5c8566fbb0d97d7ebc691e509e9645a5e64b71
SSDEEP

3072:BZmsaSbrVRiQpGsc/GbfdYDPvpE52xvo14z7/853sxYAIwZSLQjrLsbu1Bt:BsQpGAfGPRq2xvoUL858xeKSE7D

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/632-14-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral2/memory/4028-15-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral2/memory/4028-16-0x0000000000400000-0x0000000000452000-memory.dmp	family_cycbot
behavioral2/memory/2128-121-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral2/memory/4028-293-0x0000000000400000-0x0000000000455000-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/4028-2-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/632-14-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/632-13-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/4028-15-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/4028-16-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral2/memory/2128-121-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/4028-293-0x0000000000400000-0x0000000000455000-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_6a4ccc6f08ccac75c80aed8bbf27c931.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_6a4ccc6f08ccac75c80aed8bbf27c931.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_6a4ccc6f08ccac75c80aed8bbf27c931.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4028 wrote to memory of 632	4028	JaffaCakes118_6a4ccc6f08ccac75c80aed8bbf27c931.exe	84
PID 4028 wrote to memory of 632	4028	JaffaCakes118_6a4ccc6f08ccac75c80aed8bbf27c931.exe	84
PID 4028 wrote to memory of 632	4028	JaffaCakes118_6a4ccc6f08ccac75c80aed8bbf27c931.exe	84
PID 4028 wrote to memory of 2128	4028	JaffaCakes118_6a4ccc6f08ccac75c80aed8bbf27c931.exe	95
PID 4028 wrote to memory of 2128	4028	JaffaCakes118_6a4ccc6f08ccac75c80aed8bbf27c931.exe	95
PID 4028 wrote to memory of 2128	4028	JaffaCakes118_6a4ccc6f08ccac75c80aed8bbf27c931.exe	95

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6a4ccc6f08ccac75c80aed8bbf27c931.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6a4ccc6f08ccac75c80aed8bbf27c931.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4028
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6a4ccc6f08ccac75c80aed8bbf27c931.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6a4ccc6f08ccac75c80aed8bbf27c931.exe startC:\Program Files (x86)\LP\E4EA\1A5.exe%C:\Program Files (x86)\LP\E4EA
  2⤵
  - System Location Discovery: System Language Discovery
  PID:632
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6a4ccc6f08ccac75c80aed8bbf27c931.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6a4ccc6f08ccac75c80aed8bbf27c931.exe startC:\Users\Admin\AppData\Roaming\A6532\E71E4.exe%C:\Users\Admin\AppData\Roaming\A6532
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2128

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\A6532\288A.653

Filesize
996B

MD5
8168c1657f8d2b7d3360776a233d3450

SHA1
5c54fc5909255685481cbd677778fe77056ed916

SHA256
b62fb0e9fc000833556cde75004fe8d65571f4d995b2a84a6e2fbef8f597d5ce

SHA512
2b57c44afc9840e417f31dbfee1aecff16241bf226c31b904a15f99fe031ad539cd85904d49d6b262224e7b28753acead06dcd5b154c11bc5f9b6dc563493d71

Download Submit
C:\Users\Admin\AppData\Roaming\A6532\288A.653

Filesize
600B

MD5
27b67957e96f7657edb1796028a3b7da

SHA1
4d383c2f79c048e40e071431953883f87926fca0

SHA256
62cab0e162aac625be2f4dff57257bbc14916e5860fd747b837bd26b67bc4941

SHA512
dd2c1c2684854af44c97acf294f741cfc73ea95ab84b5e6723076ca3f3fddae481caac3075af36ed318e2a7d7c3d762fc975b3bef10560411c9035bbb1dcea4d

Download Submit
C:\Users\Admin\AppData\Roaming\A6532\288A.653

Filesize
1KB

MD5
c8f651461b94e0f10a32c20a77a52b95

SHA1
619be19b4ac77a94ada6ddc3b8a1c12a02e51840

SHA256
5dbecf34c2a701e3f69b69e45a0224990163b88cc6b83be07885fd3aeac60cac

SHA512
4b170ba6c3a576936339ff64cf1ea0f81d9c4765ddbf12c57ccf1335aa7a484ef4b025761510567806444a0274707afe9792ea3975ac06e0136d9839caf76790

Download Submit
memory/632-11-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/632-14-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/632-13-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2128-121-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/4028-1-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/4028-2-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/4028-15-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/4028-16-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/4028-293-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download

Analysis

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