cycbot | 5507df659e34048b56fa2a0c83b89d82353fb80769316d3900b94c38a42857ab

General

Target

JaffaCakes118_a06350dd8a08e4ba0a021847749b1947.exe
Size

176KB
MD5

a06350dd8a08e4ba0a021847749b1947
SHA1

97e17d778825bab1acc4eed8731ce3b04fda60e9
SHA256

5507df659e34048b56fa2a0c83b89d82353fb80769316d3900b94c38a42857ab
SHA512

0718fdfec8480d1a0212e4a3db9c34dd183ffe3ea5b1d0b3a685dc443b83398b24db161575b10f8db8ab7a84a071336bd4cde694f05396916a793e386bd22cb9
SSDEEP

3072:NLkOdfcvLpJFuHEGbb/vrL2AyaYRjKQrB9YlbX/2HbAvEhWersSm69Lpl:NLkIwp2zbD20Y1KlbX/D2Wc

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 4 IoCs

Cycbot is a backdoor and trojan written in C++.

resource	yara_rule
behavioral1/memory/228-13-0x0000000000400000-0x000000000046B000-memory.dmp	family_cycbot
behavioral1/memory/5580-46-0x0000000000400000-0x000000000046B000-memory.dmp	family_cycbot
behavioral1/memory/1476-110-0x0000000000400000-0x000000000046B000-memory.dmp	family_cycbot
behavioral1/memory/5580-188-0x0000000000400000-0x000000000046B000-memory.dmp	family_cycbot

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/5580-2-0x0000000000400000-0x000000000046B000-memory.dmp	upx
behavioral1/memory/228-12-0x0000000000400000-0x000000000046B000-memory.dmp	upx
behavioral1/memory/228-13-0x0000000000400000-0x000000000046B000-memory.dmp	upx
behavioral1/memory/5580-46-0x0000000000400000-0x000000000046B000-memory.dmp	upx
behavioral1/memory/1476-108-0x0000000000400000-0x000000000046B000-memory.dmp	upx
behavioral1/memory/1476-110-0x0000000000400000-0x000000000046B000-memory.dmp	upx
behavioral1/memory/5580-188-0x0000000000400000-0x000000000046B000-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_a06350dd8a08e4ba0a021847749b1947.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_a06350dd8a08e4ba0a021847749b1947.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_a06350dd8a08e4ba0a021847749b1947.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 5580 wrote to memory of 228	5580	JaffaCakes118_a06350dd8a08e4ba0a021847749b1947.exe	87
PID 5580 wrote to memory of 228	5580	JaffaCakes118_a06350dd8a08e4ba0a021847749b1947.exe	87
PID 5580 wrote to memory of 228	5580	JaffaCakes118_a06350dd8a08e4ba0a021847749b1947.exe	87
PID 5580 wrote to memory of 1476	5580	JaffaCakes118_a06350dd8a08e4ba0a021847749b1947.exe	98
PID 5580 wrote to memory of 1476	5580	JaffaCakes118_a06350dd8a08e4ba0a021847749b1947.exe	98
PID 5580 wrote to memory of 1476	5580	JaffaCakes118_a06350dd8a08e4ba0a021847749b1947.exe	98

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a06350dd8a08e4ba0a021847749b1947.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a06350dd8a08e4ba0a021847749b1947.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5580
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a06350dd8a08e4ba0a021847749b1947.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a06350dd8a08e4ba0a021847749b1947.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:228
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a06350dd8a08e4ba0a021847749b1947.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a06350dd8a08e4ba0a021847749b1947.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1476

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\0376.E0F

Filesize
996B

MD5
fc4c6a8214b1b86dfe4a53b55bfcd399

SHA1
1b99df7e827935b73e51e1b08fedd0108f5ea4ec

SHA256
91050826201bc22010ff47c4d350eec8f814c49ebbf126db9e19e5d4bcad49d0

SHA512
aeba03ce9a3909c01997c245d704564e2f124d14a48106cd828869767cee8927c02cbf312ef39728d26acb2d30aa3b73e98149702e3b53bd313d4da1ba3ffd2f

Download Submit
C:\Users\Admin\AppData\Roaming\0376.E0F

Filesize
600B

MD5
24c46c40fc8ddd920736af88c4ff5199

SHA1
1c181427a67acab4cb9ea5f441b4c36969e2d5df

SHA256
d96f58bb5e957a7567f0a7e6ab53787026003a1da3c4a4afca98013e14149a03

SHA512
32d5fb452ed3fd4c61ff8031f241243e844423565d2e2c5d50bb463c9784e208159e6d4abf75c87a15fef5ffae2dc51a941cdb8fc854079a176d877d706cf25d

Download Submit
C:\Users\Admin\AppData\Roaming\0376.E0F

Filesize
1KB

MD5
192ecccc772ac34eaaa996a91cd04b28

SHA1
84038e6ac8cce5347c0f42f959cd979b0b63c3e8

SHA256
0d95ecfc73f0c1793da3ee3a615350b7149d9ae2841e7c6a47dd463ea5052cd3

SHA512
da256870f9195be178490e6a0100d4346a15d158e4c101d6dfaf8f584e1105acfb7fa92441d2f7054d2ec54bd01c3a3904c729d03ec3b1df3ce190dbf993a825

Download Submit
memory/228-12-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/228-13-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/1476-107-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/1476-108-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/1476-110-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/5580-1-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/5580-2-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/5580-46-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/5580-188-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download

Analysis

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