cycbot | 1f86686519bac4f9f8c01c709216ba4c4f94c822ca9ab1427020380bf43c97d7

General

Target

JaffaCakes118_7ac1b03b40158d3e3782a006f6043797.exe
Size

179KB
MD5

7ac1b03b40158d3e3782a006f6043797
SHA1

87b8f8330b7ae62aa1f9d95ce9182250433c842f
SHA256

1f86686519bac4f9f8c01c709216ba4c4f94c822ca9ab1427020380bf43c97d7
SHA512

0027742a4e551df2de9a9981c5c69870efa100ca1322ebef1f5bff74a6710ba7b0fe6f04cb44a1fe1fdcde484d0071bc8cb15665be2cb8c65060ef2aa2081b17
SSDEEP

3072:+wP76BUPyge7lX59MortIBZntRmOTc1uHmfGqsg0oXGrSk1KEysVbzv:+tGPyRcoUjTc1amfov11ZysVT

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/2804-14-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral2/memory/4148-15-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral2/memory/4148-16-0x0000000000400000-0x0000000000452000-memory.dmp	family_cycbot
behavioral2/memory/2160-130-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral2/memory/4148-289-0x0000000000400000-0x0000000000455000-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/4148-3-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/2804-13-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/2804-14-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/4148-15-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/4148-16-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral2/memory/2160-130-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/4148-289-0x0000000000400000-0x0000000000455000-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_7ac1b03b40158d3e3782a006f6043797.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4148 wrote to memory of 2804	4148	JaffaCakes118_7ac1b03b40158d3e3782a006f6043797.exe	84
PID 4148 wrote to memory of 2804	4148	JaffaCakes118_7ac1b03b40158d3e3782a006f6043797.exe	84
PID 4148 wrote to memory of 2804	4148	JaffaCakes118_7ac1b03b40158d3e3782a006f6043797.exe	84
PID 4148 wrote to memory of 2160	4148	JaffaCakes118_7ac1b03b40158d3e3782a006f6043797.exe	95
PID 4148 wrote to memory of 2160	4148	JaffaCakes118_7ac1b03b40158d3e3782a006f6043797.exe	95
PID 4148 wrote to memory of 2160	4148	JaffaCakes118_7ac1b03b40158d3e3782a006f6043797.exe	95

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7ac1b03b40158d3e3782a006f6043797.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7ac1b03b40158d3e3782a006f6043797.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4148
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7ac1b03b40158d3e3782a006f6043797.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7ac1b03b40158d3e3782a006f6043797.exe startC:\Program Files (x86)\LP\24B2\C25.exe%C:\Program Files (x86)\LP\24B2
  2⤵
  PID:2804
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7ac1b03b40158d3e3782a006f6043797.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7ac1b03b40158d3e3782a006f6043797.exe startC:\Users\Admin\AppData\Roaming\28C79\FCE24.exe%C:\Users\Admin\AppData\Roaming\28C79
  2⤵
  PID:2160

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\28C79\9086.8C7

Filesize
996B

MD5
51e7dabf28778a4d1d1b271ca66fe603

SHA1
f713ff2e91a00c044a3f50a53ce2b74e3d755ec3

SHA256
4adf0cd3e9d410c7f9222ef1fd7d22cd1bf7aa25db5cb8763b739d0b7edcedc8

SHA512
a23beee058be5579633a739a8c63b6ffa8caae8d8b010dd256332faac6a486d9a710b8e3242764ac847c84bac865792dca48af10800cd7dd11f00919fc6c1f96

Download Submit
C:\Users\Admin\AppData\Roaming\28C79\9086.8C7

Filesize
600B

MD5
f3395fa826ff3f64d046b1c0207715a8

SHA1
95c348581729deb0c4badd60d122b5a1ad3860f3

SHA256
e7673c4b864b79e76ac990bac4ddf332b7741d861ad0e7b0eba09431b6247a84

SHA512
56890e5c2742c3fbacb0698b86c4c93dd71a96305cf94baf8f3282126e51f42c9b98ee5d941eb72758054cad701aec8881ac782076b97d31fcddd93813ddb4a4

Download Submit
C:\Users\Admin\AppData\Roaming\28C79\9086.8C7

Filesize
1KB

MD5
e09cd7273db07de369339d47b8d6fdf3

SHA1
755ae0ff001be2783f00e058e744da46595a0189

SHA256
0d5666b051c38e11669631e8683d2499719ac4fe14782c94615f0e6af8606953

SHA512
55003c61ea2325ff1df29b352eb229438b8f225a9018dd20fc3eedb9d704c1e77f66be9878be91aeeef21e26054d725d56ce1f6964ebcda222599940662a8e91

Download Submit
memory/2160-130-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2804-13-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2804-14-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/4148-0-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/4148-2-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/4148-3-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/4148-15-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/4148-16-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/4148-289-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download

Analysis

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