cycbot | 9cdba55daeb92f0de2e841554171327576790cd52b265fa27d77191045aa5647

General

Target

f5da2590e5938d982c22eab6a5f6d185_JaffaCakes118.exe
Size

182KB
MD5

f5da2590e5938d982c22eab6a5f6d185
SHA1

42fe806f5872d9816bc16c0ee44e745d41581e11
SHA256

9cdba55daeb92f0de2e841554171327576790cd52b265fa27d77191045aa5647
SHA512

f955ec401d6207b351107abba984d0da8c0cf9c9f0327a900ff53424f3b8331ee811425aca171c3118c515c726d05bb53c408430c76a58e27770853367e1e8af
SSDEEP

3072:CIh75WqHtNw8OC7/GWPcZDpjwN/0D0gjqE8NE5Ulx6Mi/pY8Efd:jtRNNwE/GRnjq/c0gjKE6lx6px7

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
behavioral2/memory/3780-13-0x0000000000400000-0x000000000044E000-memory.dmp	family_cycbot
behavioral2/memory/3580-14-0x0000000000400000-0x000000000044E000-memory.dmp	family_cycbot
behavioral2/memory/3516-80-0x0000000000400000-0x000000000044E000-memory.dmp	family_cycbot
behavioral2/memory/3580-189-0x0000000000400000-0x000000000044E000-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/3580-2-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral2/memory/3780-12-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral2/memory/3780-13-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral2/memory/3580-14-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral2/memory/3516-80-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral2/memory/3580-189-0x0000000000400000-0x000000000044E000-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	f5da2590e5938d982c22eab6a5f6d185_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f5da2590e5938d982c22eab6a5f6d185_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f5da2590e5938d982c22eab6a5f6d185_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3580 wrote to memory of 3780	3580	f5da2590e5938d982c22eab6a5f6d185_JaffaCakes118.exe	83
PID 3580 wrote to memory of 3780	3580	f5da2590e5938d982c22eab6a5f6d185_JaffaCakes118.exe	83
PID 3580 wrote to memory of 3780	3580	f5da2590e5938d982c22eab6a5f6d185_JaffaCakes118.exe	83
PID 3580 wrote to memory of 3516	3580	f5da2590e5938d982c22eab6a5f6d185_JaffaCakes118.exe	85
PID 3580 wrote to memory of 3516	3580	f5da2590e5938d982c22eab6a5f6d185_JaffaCakes118.exe	85
PID 3580 wrote to memory of 3516	3580	f5da2590e5938d982c22eab6a5f6d185_JaffaCakes118.exe	85

C:\Users\Admin\AppData\Local\Temp\f5da2590e5938d982c22eab6a5f6d185_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f5da2590e5938d982c22eab6a5f6d185_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3580
- C:\Users\Admin\AppData\Local\Temp\f5da2590e5938d982c22eab6a5f6d185_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\f5da2590e5938d982c22eab6a5f6d185_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3780
- C:\Users\Admin\AppData\Local\Temp\f5da2590e5938d982c22eab6a5f6d185_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\f5da2590e5938d982c22eab6a5f6d185_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3516

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\FF18.B88

Filesize
1KB

MD5
8418dd0d1f1b2493cef6bd40bdc4e167

SHA1
503569fabb78247c17baf3a40ef51ddfec46a6e0

SHA256
d406ac3404363021363cb9d41ca1b3a392bd43db89023c5ac67c91dccf152236

SHA512
20b4143f8c807f1bd601f07305fc9eca4e3439af482f19872b3a523dfc950070027ca1fed373e53321dfe290e1290ea04285971e238e209c1d3d0f32595346f4

Download Submit
C:\Users\Admin\AppData\Roaming\FF18.B88

Filesize
600B

MD5
0bcb325ad9bc27f48741e8efc46722cd

SHA1
692ce69c87a56d82d5d5d773306e521456e1feb0

SHA256
6d61f1a1eba85b7e25fa71aa41f6602fbf75c3bb03c954f37d2e6c36e93f5241

SHA512
a2727bb5a96c05f205080561fd7b58ce2b569df736a35c333252964dcd86df3769d7a1dacb91f2a196ceb07423f77dd48135d3c5c39a864f435dbf336111df4c

Download Submit
C:\Users\Admin\AppData\Roaming\FF18.B88

Filesize
996B

MD5
3c9004694c41bf02199d38cdd0d154ff

SHA1
367f274c5ed3c464986ef2d67a3c3d087ec41b0b

SHA256
288757fab148e1458e199289270a1d7cf594794e413258f8befea01b2f9dacd0

SHA512
576908c0938b2a052d3c646ba36febd7d7112e8d626d49526ddf28024c4763aefe84b3d13018b1cd6c7ab5af223db2ae5458e43c45054264e45f064cae9837fa

Download Submit
memory/3516-79-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/3516-80-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/3580-1-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/3580-2-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/3580-14-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/3580-189-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/3780-12-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/3780-13-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download

Analysis

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