cycbot | 7f82e7f2f03ee985f9068c54e391c4f062457ff057a85ed82a116e53930a2677

General

Target

d40e8015ce119841eb6489130eaacfdd_JaffaCakes118.exe
Size

179KB
MD5

d40e8015ce119841eb6489130eaacfdd
SHA1

2a5bcc889280df3249bf22200fc969b199e54d52
SHA256

7f82e7f2f03ee985f9068c54e391c4f062457ff057a85ed82a116e53930a2677
SHA512

5b37fabd4e810173b734f3b8d16f63b9e5300bf594e90dba864e3dcaa35b7557aa66862f96111f6e085c0a40e505b7d1d534a8592451c3f52ec427343d3b477c
SSDEEP

3072:oPUgmwFVcEjO+A+Z/y+xVXeLOvUx/NmWNQ4bqhsaobN1FrlwtcPHdIDYzEEyh9tm:Oy8jO+A+VxVXeSvU6WW4ehsLRHrlDS0r

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/3916-14-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral2/memory/4756-15-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral2/memory/4756-16-0x0000000000400000-0x0000000000452000-memory.dmp	family_cycbot
behavioral2/memory/1768-134-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral2/memory/4756-313-0x0000000000400000-0x0000000000455000-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/4756-3-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/3916-13-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/3916-14-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/4756-15-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/4756-16-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral2/memory/1768-134-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/4756-313-0x0000000000400000-0x0000000000455000-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	d40e8015ce119841eb6489130eaacfdd_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d40e8015ce119841eb6489130eaacfdd_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d40e8015ce119841eb6489130eaacfdd_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4756 wrote to memory of 3916	4756	d40e8015ce119841eb6489130eaacfdd_JaffaCakes118.exe	82
PID 4756 wrote to memory of 3916	4756	d40e8015ce119841eb6489130eaacfdd_JaffaCakes118.exe	82
PID 4756 wrote to memory of 3916	4756	d40e8015ce119841eb6489130eaacfdd_JaffaCakes118.exe	82
PID 4756 wrote to memory of 1768	4756	d40e8015ce119841eb6489130eaacfdd_JaffaCakes118.exe	87
PID 4756 wrote to memory of 1768	4756	d40e8015ce119841eb6489130eaacfdd_JaffaCakes118.exe	87
PID 4756 wrote to memory of 1768	4756	d40e8015ce119841eb6489130eaacfdd_JaffaCakes118.exe	87

C:\Users\Admin\AppData\Local\Temp\d40e8015ce119841eb6489130eaacfdd_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d40e8015ce119841eb6489130eaacfdd_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4756
- C:\Users\Admin\AppData\Local\Temp\d40e8015ce119841eb6489130eaacfdd_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\d40e8015ce119841eb6489130eaacfdd_JaffaCakes118.exe startC:\Program Files (x86)\LP\6A3A\222.exe%C:\Program Files (x86)\LP\6A3A
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3916
- C:\Users\Admin\AppData\Local\Temp\d40e8015ce119841eb6489130eaacfdd_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\d40e8015ce119841eb6489130eaacfdd_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\A7C67\BAF6A.exe%C:\Users\Admin\AppData\Roaming\A7C67
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1768

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\A7C67\7B9E.7C6

Filesize
600B

MD5
4f1ea22b3f6b01b4d1c869ea2f6c3860

SHA1
baa42ca2ad607ce26f9409d88ee77c225b2bd5a9

SHA256
6ad4f2a86f75c3bffcc4931c252e750cd4b88260600e57de31a2ba21f1ddfb09

SHA512
0da0e00de2c2d99c27ec4fc5f15a760a3d6dd234bb8040f7b140a4c0436888df8e31e64211133b5201b4410c214c8f61030fa9a1f9788c2e3e964e265ca2e403

Download Submit
C:\Users\Admin\AppData\Roaming\A7C67\7B9E.7C6

Filesize
996B

MD5
942d3fd964a15746bd6a0cee0eb46827

SHA1
c13757ec5660adbde742b332479cfc4fc2f23daa

SHA256
879bfbc6b53256e7cae82653f8dcff08a51b5e1c8a546d0deec893bbe352ac5c

SHA512
45fba645f689f1aa3642accfc56a0d1c3ca50594aa9933149c9d1455d2f850b0f8deb047859421bc943824682bfde2e698d10ed8073daca7e5953d62d6359d95

Download Submit
C:\Users\Admin\AppData\Roaming\A7C67\7B9E.7C6

Filesize
1KB

MD5
1f98f4f4c1c73c954647609fa7c4de31

SHA1
032d6b8ec3ef5ba72d2cead9d950a8397a3520d5

SHA256
d38ec97cda651b52d4eb03a474449026f796a343a37a8b17dbe0c69602905a07

SHA512
3f7e3c3cca7ceddc2383d178efc49fefecfef3973113502acf39b4e6e34f21cc1482c3fd1f845e5e33284a4c406ac6643eb8d6803b3ba41f76638a7218e0c24f

Download Submit
memory/1768-134-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/3916-13-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/3916-14-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/4756-0-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/4756-2-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/4756-3-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/4756-15-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/4756-16-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/4756-313-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download

Analysis

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