cycbot | 1310f06fb2af00b140391ac0085549ac36465194b3f50cd2aacf6d5a1c889f02

General

Target

JaffaCakes118_34ccb809ab57d6606df991ce278b99bf.exe
Size

177KB
MD5

34ccb809ab57d6606df991ce278b99bf
SHA1

6b493627726192d069fa29ed3ebd8c55c9239073
SHA256

1310f06fb2af00b140391ac0085549ac36465194b3f50cd2aacf6d5a1c889f02
SHA512

7d0934e9a55af82e4532a927fadb55512c01cda8a3c032d49132fee0143415280089d48bf76170d30476a32484dd6e67b691cf230dbe5509d2e1bd98cd81c971
SSDEEP

3072:pHNcIPMhL3li1h0FQzZdrhoslmqCt7Hzh8Ovr9pYPaQqn24f7OMcg:ptdPMZChuQldh/BCxek92

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/1572-13-0x0000000000400000-0x0000000000456000-memory.dmp	family_cycbot
behavioral2/memory/1488-14-0x0000000000400000-0x0000000000453000-memory.dmp	family_cycbot
behavioral2/memory/1488-15-0x0000000000400000-0x0000000000456000-memory.dmp	family_cycbot
behavioral2/memory/376-86-0x0000000000400000-0x0000000000456000-memory.dmp	family_cycbot
behavioral2/memory/1488-193-0x0000000000400000-0x0000000000456000-memory.dmp	family_cycbot

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1488-2-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral2/memory/1572-11-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral2/memory/1572-13-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral2/memory/1488-14-0x0000000000400000-0x0000000000453000-memory.dmp	upx
behavioral2/memory/1488-15-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral2/memory/376-84-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral2/memory/376-83-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral2/memory/376-86-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral2/memory/1488-193-0x0000000000400000-0x0000000000456000-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_34ccb809ab57d6606df991ce278b99bf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_34ccb809ab57d6606df991ce278b99bf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_34ccb809ab57d6606df991ce278b99bf.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1488 wrote to memory of 1572	1488	JaffaCakes118_34ccb809ab57d6606df991ce278b99bf.exe	83
PID 1488 wrote to memory of 1572	1488	JaffaCakes118_34ccb809ab57d6606df991ce278b99bf.exe	83
PID 1488 wrote to memory of 1572	1488	JaffaCakes118_34ccb809ab57d6606df991ce278b99bf.exe	83
PID 1488 wrote to memory of 376	1488	JaffaCakes118_34ccb809ab57d6606df991ce278b99bf.exe	84
PID 1488 wrote to memory of 376	1488	JaffaCakes118_34ccb809ab57d6606df991ce278b99bf.exe	84
PID 1488 wrote to memory of 376	1488	JaffaCakes118_34ccb809ab57d6606df991ce278b99bf.exe	84

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_34ccb809ab57d6606df991ce278b99bf.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_34ccb809ab57d6606df991ce278b99bf.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1488
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_34ccb809ab57d6606df991ce278b99bf.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_34ccb809ab57d6606df991ce278b99bf.exe startC:\Program Files (x86)\LP\1B1F\D85.exe%C:\Program Files (x86)\LP\1B1F
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1572
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_34ccb809ab57d6606df991ce278b99bf.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_34ccb809ab57d6606df991ce278b99bf.exe startC:\Users\Admin\AppData\Roaming\FDE9C\6C81B.exe%C:\Users\Admin\AppData\Roaming\FDE9C
  2⤵
  - System Location Discovery: System Language Discovery
  PID:376

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\FDE9C\CB24.DE9

Filesize
1KB

MD5
4b5c9d20c89ee00665d928f2b5d13b37

SHA1
0eff67b923d639c3eb00463133d4d39bc82596cc

SHA256
62cf24c984d8c96ece37e0e1e57c8fd759ef03f0a396f442fa1a347a12293dcc

SHA512
2402a19e3ddf145fcafa86bc33337e4292f58c486881ad1a0ac553d54c0dfd7fe0bf6d24a548eb5d166802292c736ceb10ec635186c00d4702e9d4a89aa27a13

Download Submit
C:\Users\Admin\AppData\Roaming\FDE9C\CB24.DE9

Filesize
600B

MD5
b15ece575cb65e44995283111685bf32

SHA1
29b3f67acdf81857be14fd07f563a770d4177270

SHA256
00e52e856fa1f2d21f424dd0a6c694e7c9d3c4d8d7193ec337e1ee6910104d4d

SHA512
bb4b35100398484d4f9ca6539cb213af7c3c5365eb3266d2d94d1ee087bac4d4ef89704049653e7e79e10d21decb1513a27ca7ccc5021eb5fb1ef7bf144ab528

Download Submit
C:\Users\Admin\AppData\Roaming\FDE9C\CB24.DE9

Filesize
996B

MD5
5b9a776129fd4054f281e7db1220e266

SHA1
e0ce941b3334f832166a4a97db998e4d833c8852

SHA256
ab7195d1889a6cc5bf5f137a770cf777dc67ce5688b029372eafee4880f55d33

SHA512
9fa4d2850d544a0c81310a576a16eb137da9406ea25cde655683dfc723812f72e47cfb17e5ff681b7ade7ff2e9576f78ac103cadec9abdf2384e19a7aa091f24

Download Submit
memory/376-86-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/376-84-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/376-83-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/1488-14-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1488-15-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/1488-1-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1488-2-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/1488-193-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/1572-13-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/1572-11-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download

Analysis

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