cycbot | 155af7464372dfda614f0a840ce020d113b82193ed6269e05ffc169da6c10626

General

Target

JaffaCakes118_3b47e68af9c013c802c90b642f9550e8.exe
Size

186KB
MD5

3b47e68af9c013c802c90b642f9550e8
SHA1

351f773a58ce9e6f77a7b9800f8799fd4f291a28
SHA256

155af7464372dfda614f0a840ce020d113b82193ed6269e05ffc169da6c10626
SHA512

27c62b9e557a7ed57c35cbe39a5ff8a5566206e223cf416d8aa563e0189b9a1fab2787ddf63a3f0281f6c1b2241d2e496389ca823cd798544d015f86b3b786d5
SSDEEP

3072:rLGJRkDBOxGI3Y7FGBjMu80ND0y44eRK0p/WthgL/onpml9aMejt8NW/KO169Pnf:rLGTkVOP3GFilDaR7BWDgL/Q4Tit8NWK

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
behavioral1/memory/2648-10-0x0000000000400000-0x0000000000454000-memory.dmp	family_cycbot
behavioral1/memory/1716-11-0x0000000000400000-0x0000000000454000-memory.dmp	family_cycbot
behavioral1/memory/1716-12-0x0000000000400000-0x0000000000452000-memory.dmp	family_cycbot
behavioral1/memory/2848-113-0x0000000000400000-0x0000000000454000-memory.dmp	family_cycbot
behavioral1/memory/1716-292-0x0000000000400000-0x0000000000454000-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/1716-2-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/2648-8-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/2648-10-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/1716-11-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/1716-12-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral1/memory/2848-113-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/1716-292-0x0000000000400000-0x0000000000454000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 1 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_3b47e68af9c013c802c90b642f9550e8.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1716 wrote to memory of 2648	1716	JaffaCakes118_3b47e68af9c013c802c90b642f9550e8.exe	28
PID 1716 wrote to memory of 2648	1716	JaffaCakes118_3b47e68af9c013c802c90b642f9550e8.exe	28
PID 1716 wrote to memory of 2648	1716	JaffaCakes118_3b47e68af9c013c802c90b642f9550e8.exe	28
PID 1716 wrote to memory of 2648	1716	JaffaCakes118_3b47e68af9c013c802c90b642f9550e8.exe	28
PID 1716 wrote to memory of 2848	1716	JaffaCakes118_3b47e68af9c013c802c90b642f9550e8.exe	29
PID 1716 wrote to memory of 2848	1716	JaffaCakes118_3b47e68af9c013c802c90b642f9550e8.exe	29
PID 1716 wrote to memory of 2848	1716	JaffaCakes118_3b47e68af9c013c802c90b642f9550e8.exe	29
PID 1716 wrote to memory of 2848	1716	JaffaCakes118_3b47e68af9c013c802c90b642f9550e8.exe	29

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3b47e68af9c013c802c90b642f9550e8.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3b47e68af9c013c802c90b642f9550e8.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1716
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3b47e68af9c013c802c90b642f9550e8.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3b47e68af9c013c802c90b642f9550e8.exe startC:\Program Files (x86)\LP\26FD\C98.exe%C:\Program Files (x86)\LP\26FD
  2⤵
  PID:2648
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3b47e68af9c013c802c90b642f9550e8.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3b47e68af9c013c802c90b642f9550e8.exe startC:\Users\Admin\AppData\Roaming\D7F81\DC526.exe%C:\Users\Admin\AppData\Roaming\D7F81
  2⤵
  PID:2848

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\D7F81\1BDC.7F8

Filesize
696B

MD5
56c2ec621b2bf58bd2e138ce15ea9de0

SHA1
6d61054b51d1beadfd22fe2dad2478c0e9805f36

SHA256
0a91e07998fb92c907d6ceb239d843195ac4b848e52a7b9d52ed329c66b2a983

SHA512
b7c25364677825c4612158f3b455ad9a0cd73fb66a1f2110419803ad578540fea348daa2bb89db248217e3f3233c8a6a284c04ce4cf45118f03394769917abc8

Download Submit
C:\Users\Admin\AppData\Roaming\D7F81\1BDC.7F8

Filesize
300B

MD5
ff0223cc604b9d0876b267339d78219f

SHA1
4a3955e65a0d0cda98b311f8d95b7dfc6bd91827

SHA256
ab72ed74f8b0b065be2d2f4a805ee78ee89fe71d7a196a239f7cfd4b80263ab1

SHA512
042a8b8c7c417824cf39e4ac5cd13cb73988aa8f28cf4b4e30cbe7d3720ae7db9d0ac4ce4aeccbae14ef28eba6ad7f33eef6bac64e3ff46afa87e8774ffc01ae

Download Submit
C:\Users\Admin\AppData\Roaming\D7F81\1BDC.7F8

Filesize
1KB

MD5
0052be51884f951c80e78ad45fcd14c3

SHA1
38abc15934923c8faab1749b5555b970ad53cc22

SHA256
db10735bd17730b5c976c5a1ea17116d6360e3e3851731b43bfc550b37b76b9e

SHA512
ed2ea505ffe159f8eeac3e4b9bc04cb9f251ebfa49549a6f160f474b8eed6d23a327861a6f9fcc9c9cdc53b051343748b303b33c7fc424d620ca8c842efd01a7

Download Submit
memory/1716-1-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1716-2-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1716-11-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1716-12-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1716-292-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2648-8-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2648-7-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2648-10-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2848-113-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download

Analysis

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