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
behavioral2/memory/3964-10-0x0000000000400000-0x0000000000454000-memory.dmp	family_cycbot
behavioral2/memory/4524-11-0x0000000000400000-0x0000000000454000-memory.dmp	family_cycbot
behavioral2/memory/4524-12-0x0000000000400000-0x0000000000452000-memory.dmp	family_cycbot
behavioral2/memory/1364-115-0x0000000000400000-0x0000000000454000-memory.dmp	family_cycbot
behavioral2/memory/4524-282-0x0000000000400000-0x0000000000454000-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/4524-2-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/3964-8-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/3964-10-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/4524-11-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/4524-12-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral2/memory/1364-113-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/1364-115-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/4524-282-0x0000000000400000-0x0000000000454000-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 6 IoCs

description	pid	Process	procid_target
PID 4524 wrote to memory of 3964	4524	JaffaCakes118_3b47e68af9c013c802c90b642f9550e8.exe	82
PID 4524 wrote to memory of 3964	4524	JaffaCakes118_3b47e68af9c013c802c90b642f9550e8.exe	82
PID 4524 wrote to memory of 3964	4524	JaffaCakes118_3b47e68af9c013c802c90b642f9550e8.exe	82
PID 4524 wrote to memory of 1364	4524	JaffaCakes118_3b47e68af9c013c802c90b642f9550e8.exe	87
PID 4524 wrote to memory of 1364	4524	JaffaCakes118_3b47e68af9c013c802c90b642f9550e8.exe	87
PID 4524 wrote to memory of 1364	4524	JaffaCakes118_3b47e68af9c013c802c90b642f9550e8.exe	87

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:4524
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3b47e68af9c013c802c90b642f9550e8.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3b47e68af9c013c802c90b642f9550e8.exe startC:\Program Files (x86)\LP\F0B6\5FB.exe%C:\Program Files (x86)\LP\F0B6
  2⤵
  PID:3964
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3b47e68af9c013c802c90b642f9550e8.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3b47e68af9c013c802c90b642f9550e8.exe startC:\Users\Admin\AppData\Roaming\6DCEC\447F0.exe%C:\Users\Admin\AppData\Roaming\6DCEC
  2⤵
  PID:1364

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\6DCEC\C766.DCE

Filesize
696B

MD5
42d897108f0969adce82ff8100f71b5b

SHA1
e6e0546826a445ddd68c8b2f20e09b8fa085630a

SHA256
d22577e342f066ab8e92037cc8158ecf5bbbf8a22e351c322e2a00c5fa1aaf21

SHA512
1a02e9119262db425b8cfe462987b09c69299e6e1a233d5a0dab2dda6dd97848a719d5d285046d294670e98b7e93c10d4369d3b5ad40830648a07f9f21699e83

Download Submit
C:\Users\Admin\AppData\Roaming\6DCEC\C766.DCE

Filesize
300B

MD5
d4c2d0f37239c923befb98ea13eac376

SHA1
b385c2b271d354f06c739e9f8afbe7fa5187dad1

SHA256
a4b7d70c693901e089c44c0f74f248e722c0a172a10c940f62f56be500ed548e

SHA512
8a357472bb4e241c2d8872062c2fc087d07c37bff8e896456e9241b1f9d5ad8f022d49117ab07e5666bad4fb1b8de43e2d9e5edf3ed7f2b2020681c1477f64d9

Download Submit
C:\Users\Admin\AppData\Roaming\6DCEC\C766.DCE

Filesize
1KB

MD5
97f1f66f2e077e89e595a2947c958e38

SHA1
2d7f1012257ed08a7a0a202197ebafc539b51548

SHA256
df16de923a083b841227f9018102d1512a52c22c40e6f31be5d1f20d1bec3ece

SHA512
d7b92d27aae06e72bc6675b5599685b84e8ac9c77bc41a16038fc6af0ad64c3f2f3ad4336b25b5466b41a2514bf8ff74b8d3c43bfa01b763535d1c4c36512dea

Download Submit
memory/1364-115-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1364-113-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/3964-8-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/3964-10-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/3964-7-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/4524-12-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/4524-11-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/4524-1-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/4524-2-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/4524-282-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download

Analysis

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