cycbot | b9b13ac08d0f2dc423cfad5e45200949a125a8c40684b9d086323b66e8511a14

General

Target

JaffaCakes118_0094471bded79d68dc7b77ca2712b792.exe
Size

186KB
MD5

0094471bded79d68dc7b77ca2712b792
SHA1

69315470baed5e311e37549d438d0ec0faa1734c
SHA256

b9b13ac08d0f2dc423cfad5e45200949a125a8c40684b9d086323b66e8511a14
SHA512

eb6a397115e8e7d456f994d7bbeda203ae9a12b40d701e102e66b5b1f503f040fa77ca7ef0072685e5d74cf1f6ed00e3184f048864ac29521d89d735a23d7eed
SSDEEP

3072:g9ISA4BrscQPdzJ3UmvqpIBksvm9RzFmjGRDhWbut2Moa1z2RD5Af6KasfKEdUDT:gySH2DdumvEwksvCRRm69O+281iRN86r

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/4760-12-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral2/memory/1544-13-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral2/memory/1544-14-0x0000000000400000-0x0000000000452000-memory.dmp	family_cycbot
behavioral2/memory/3228-131-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral2/memory/1544-290-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1544-2-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/4760-12-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/1544-13-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/1544-14-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral2/memory/3228-131-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/1544-290-0x0000000000400000-0x0000000000455000-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_0094471bded79d68dc7b77ca2712b792.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_0094471bded79d68dc7b77ca2712b792.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_0094471bded79d68dc7b77ca2712b792.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1544 wrote to memory of 4760	1544	JaffaCakes118_0094471bded79d68dc7b77ca2712b792.exe	84
PID 1544 wrote to memory of 4760	1544	JaffaCakes118_0094471bded79d68dc7b77ca2712b792.exe	84
PID 1544 wrote to memory of 4760	1544	JaffaCakes118_0094471bded79d68dc7b77ca2712b792.exe	84
PID 1544 wrote to memory of 3228	1544	JaffaCakes118_0094471bded79d68dc7b77ca2712b792.exe	96
PID 1544 wrote to memory of 3228	1544	JaffaCakes118_0094471bded79d68dc7b77ca2712b792.exe	96
PID 1544 wrote to memory of 3228	1544	JaffaCakes118_0094471bded79d68dc7b77ca2712b792.exe	96

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0094471bded79d68dc7b77ca2712b792.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0094471bded79d68dc7b77ca2712b792.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1544
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0094471bded79d68dc7b77ca2712b792.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0094471bded79d68dc7b77ca2712b792.exe startC:\Program Files (x86)\LP\6D34\35B.exe%C:\Program Files (x86)\LP\6D34
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4760
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0094471bded79d68dc7b77ca2712b792.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0094471bded79d68dc7b77ca2712b792.exe startC:\Users\Admin\AppData\Roaming\453D7\FAC6D.exe%C:\Users\Admin\AppData\Roaming\453D7
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3228

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\453D7\7DCF.53D

Filesize
996B

MD5
7ac0171452af26f9ea25e4a676e32d7b

SHA1
0929b90d4a1ee93703e27354b7e6a054e901e8aa

SHA256
a3769f0a32c1fb8297e09310832e3ae34bd7b8d2f611c0efae6fdab01a218974

SHA512
435c230c3911fc1686e12ae85bea3d3fd5bdc9f9bb33d41467b74d6c340993366a9ea6f18ba13cb999c6ab73ad8fcf71359c3af46701f9c52dea1dc75c335303

Download Submit
C:\Users\Admin\AppData\Roaming\453D7\7DCF.53D

Filesize
600B

MD5
73b9da5ec0f6d2ebc682398cf7b97f17

SHA1
a8c7b41fa32599cedacd679e288d7f51f291c7ca

SHA256
65031a0d2f080991136d59929fc752c4e80f399ea31c176579471e3fb1bf559d

SHA512
8f7bbcb3e29960f1b07fa20f8738c312438ce5efbaad881d8f804f13dcb8badadbbb1689d89f21c7227a89d890f341e4d482aafeb47b3d6a892f05df84f72dfa

Download Submit
C:\Users\Admin\AppData\Roaming\453D7\7DCF.53D

Filesize
1KB

MD5
0fda69467852b45a2c7697e0dca66c6f

SHA1
aede637031a6b83021dbdc279374258917f8648e

SHA256
87bc16323ed7ef1c7df3c466dc20dfc851d1b5f59ea39cf43eba8835a70fa729

SHA512
45ab650d564716e70f859fb47ad8e54468f870ba7ad2df7c79879649f7dbe7e9be518885699afe2ff44aea4938a47f7600966eba40464af94f532cee7930296a

Download Submit
memory/1544-2-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/1544-1-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1544-13-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/1544-14-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1544-290-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/3228-131-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/4760-11-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/4760-12-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download

Analysis

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