cycbot | 481e8252b1e083eef939cf57c6b1dd2929083b72a0517dcfa78243aad442dbac

General

Target

JaffaCakes118_438840a828a259f5191d80436faf37ad.exe
Size

187KB
MD5

438840a828a259f5191d80436faf37ad
SHA1

31eb51f3627d1fcdd3895cd5969cb77dba0c1926
SHA256

481e8252b1e083eef939cf57c6b1dd2929083b72a0517dcfa78243aad442dbac
SHA512

548759e865b2d15f38f67f400ee926ff2bf2b19806ee4e1f79eb44e411f24e449c86d05c356ca08af8cac5c342c30b7d5b3a66013363dd81a78d5f426438f253
SSDEEP

3072:crWqzy/iFj85uZvlywtd94jALUbM1qQpIDUPFdpyXkU6lxDswlRc3lgTX0PBxJ5G:c9qf5ue84jkUA1q6P3pydwxDs4RcVKEu

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/4820-13-0x0000000000400000-0x0000000000454000-memory.dmp	family_cycbot
behavioral2/memory/4232-14-0x0000000000400000-0x0000000000454000-memory.dmp	family_cycbot
behavioral2/memory/4232-15-0x0000000000400000-0x0000000000452000-memory.dmp	family_cycbot
behavioral2/memory/3820-126-0x0000000000400000-0x0000000000454000-memory.dmp	family_cycbot
behavioral2/memory/4232-285-0x0000000000400000-0x0000000000454000-memory.dmp	family_cycbot

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4232-2-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/4820-12-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/4820-13-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/4232-14-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/4232-15-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral2/memory/3820-124-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/3820-126-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/4232-285-0x0000000000400000-0x0000000000454000-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_438840a828a259f5191d80436faf37ad.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_438840a828a259f5191d80436faf37ad.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_438840a828a259f5191d80436faf37ad.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4232 wrote to memory of 4820	4232	JaffaCakes118_438840a828a259f5191d80436faf37ad.exe	82
PID 4232 wrote to memory of 4820	4232	JaffaCakes118_438840a828a259f5191d80436faf37ad.exe	82
PID 4232 wrote to memory of 4820	4232	JaffaCakes118_438840a828a259f5191d80436faf37ad.exe	82
PID 4232 wrote to memory of 3820	4232	JaffaCakes118_438840a828a259f5191d80436faf37ad.exe	83
PID 4232 wrote to memory of 3820	4232	JaffaCakes118_438840a828a259f5191d80436faf37ad.exe	83
PID 4232 wrote to memory of 3820	4232	JaffaCakes118_438840a828a259f5191d80436faf37ad.exe	83

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_438840a828a259f5191d80436faf37ad.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_438840a828a259f5191d80436faf37ad.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4232
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_438840a828a259f5191d80436faf37ad.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_438840a828a259f5191d80436faf37ad.exe startC:\Program Files (x86)\LP\2D97\7CD.exe%C:\Program Files (x86)\LP\2D97
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4820
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_438840a828a259f5191d80436faf37ad.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_438840a828a259f5191d80436faf37ad.exe startC:\Users\Admin\AppData\Roaming\7B051\58F2D.exe%C:\Users\Admin\AppData\Roaming\7B051
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3820

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\7B051\1789.B05

Filesize
996B

MD5
44deeec7ab3df7b1ae2279803caf7c24

SHA1
5e1ffb94397298cbbb70f58abdb5d98d76890502

SHA256
3c44f69b3982da951f6b26bc774c1ea281d4e14655bbf023ce38b136e9f9ad5c

SHA512
1d9590cd8f1b0021f4340d36534bc0285c4d3cd4fad63bde9e18d254ec26638d9257eeea2f32c3d331991d926f10703c7dde6f7efbefd94c265171059404b4ef

Download Submit
C:\Users\Admin\AppData\Roaming\7B051\1789.B05

Filesize
600B

MD5
cc3e6142208950b488d8a4d5c8b3a070

SHA1
c43d14ad3e4651fd1224699d9b0cb32d704aaa9e

SHA256
70f8f02c96459869e35282d47633f8d91b3474307d80ef95a0cd136955444827

SHA512
12362eac95a48636ff4581d65d0c09376efed4fa724408e78a5e250cc199c7fe859b91eb390b58ef3bb74c91d2b4f0dc8aaf8568e8ab82e5a4ea6863cc09064e

Download Submit
C:\Users\Admin\AppData\Roaming\7B051\1789.B05

Filesize
1KB

MD5
bad11a2432e721541b4a79224e9b3309

SHA1
a72cae81137d71e77a6c977a3aff1f5a248003a7

SHA256
2253277b00aa1684b9b69604aa832516b97da565541658775ac383e6b61fcb14

SHA512
c779214ba004c4ec41080f47b44f6b24dc1c642878c91c08947ed611657fab509d24c30e378ee14a17801642c6b930b97dd94bbdb169a0628919e5aaec88251c

Download Submit
memory/3820-126-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/3820-124-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/4232-15-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/4232-1-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/4232-14-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/4232-2-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/4232-285-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/4820-13-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/4820-12-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/4820-11-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download

Analysis

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