cycbot | 1bbef59feae2c9c1c46bc942ca0e1a36b361d8181d7da894db6bb943e2aacdd4

General

Target

JaffaCakes118_1f414f4fd6949d0874f8b8932f572860.exe
Size

188KB
MD5

1f414f4fd6949d0874f8b8932f572860
SHA1

f8af498aa2f52dd9fe6c1d0f4e9b4f49bd40c5c9
SHA256

1bbef59feae2c9c1c46bc942ca0e1a36b361d8181d7da894db6bb943e2aacdd4
SHA512

bc86f1d2971b8ce3ca4673c9cc9674d17897f8be8cada3251778e2b997976a69b7998ec6d83bc06484cd80eea4d47da754b3fd5bbecc5cd5bafc2fe51d242dfb
SSDEEP

3072:XA6tW6bos2lLp4FSQuxkI3dwI7/uRwKV7wPE39+BL4ChMPABzS1lVElXM:Q6U6Ebl14wLWk6wGaK+RhM2OZ

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/2988-10-0x0000000000400000-0x0000000000454000-memory.dmp	family_cycbot
behavioral1/memory/2112-11-0x0000000000400000-0x0000000000454000-memory.dmp	family_cycbot
behavioral1/memory/2112-12-0x0000000000400000-0x0000000000452000-memory.dmp	family_cycbot
behavioral1/memory/1868-118-0x0000000000400000-0x0000000000454000-memory.dmp	family_cycbot
behavioral1/memory/2112-305-0x0000000000400000-0x0000000000454000-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/2112-2-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/2988-10-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/2988-8-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/2112-11-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/2112-12-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral1/memory/1868-118-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/2112-305-0x0000000000400000-0x0000000000454000-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_1f414f4fd6949d0874f8b8932f572860.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2112 wrote to memory of 2988	2112	JaffaCakes118_1f414f4fd6949d0874f8b8932f572860.exe	31
PID 2112 wrote to memory of 2988	2112	JaffaCakes118_1f414f4fd6949d0874f8b8932f572860.exe	31
PID 2112 wrote to memory of 2988	2112	JaffaCakes118_1f414f4fd6949d0874f8b8932f572860.exe	31
PID 2112 wrote to memory of 2988	2112	JaffaCakes118_1f414f4fd6949d0874f8b8932f572860.exe	31
PID 2112 wrote to memory of 1868	2112	JaffaCakes118_1f414f4fd6949d0874f8b8932f572860.exe	32
PID 2112 wrote to memory of 1868	2112	JaffaCakes118_1f414f4fd6949d0874f8b8932f572860.exe	32
PID 2112 wrote to memory of 1868	2112	JaffaCakes118_1f414f4fd6949d0874f8b8932f572860.exe	32
PID 2112 wrote to memory of 1868	2112	JaffaCakes118_1f414f4fd6949d0874f8b8932f572860.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1f414f4fd6949d0874f8b8932f572860.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1f414f4fd6949d0874f8b8932f572860.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2112
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1f414f4fd6949d0874f8b8932f572860.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1f414f4fd6949d0874f8b8932f572860.exe startC:\Program Files (x86)\LP\5E13\424.exe%C:\Program Files (x86)\LP\5E13
  2⤵
  PID:2988
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1f414f4fd6949d0874f8b8932f572860.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1f414f4fd6949d0874f8b8932f572860.exe startC:\Users\Admin\AppData\Roaming\3C42D\AAF5E.exe%C:\Users\Admin\AppData\Roaming\3C42D
  2⤵
  PID:1868

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\3C42D\DE38.C42

Filesize
696B

MD5
5fe620210619122401103d86eaaa0367

SHA1
821aa32c1fe8ddffcb0a84274114088a9ad384de

SHA256
37ad7c941bd1e07ebd6e2e4b4c58a45a8c91469b67fb49161728dbe19491bb8c

SHA512
f5d19ac4ed208195a159c8b2e1703764510059d921069ccdb873969bfef9a28807595d7f5b0169c2c498a9923b7708ca10430d8d6ad7f0ea81bcbfb9b0c95891

Download Submit
C:\Users\Admin\AppData\Roaming\3C42D\DE38.C42

Filesize
300B

MD5
e4cc571fc526f8c3387db26f266fb95c

SHA1
ffed8ca78a67d8dd4bfecf352486d03f4cf2cc64

SHA256
d25cec90a43e2ecd3304411dd7decebe880fe0e88df27e28c5ccab3120b5e3e1

SHA512
9f260e3817c29f42202e564b3b485c0b3badd8139bfb604b27bf6a513ced081ae16db2ad99964d9fe72d812d7489d22da0a21d1f5972244b6debc235a98952cd

Download Submit
C:\Users\Admin\AppData\Roaming\3C42D\DE38.C42

Filesize
1KB

MD5
926f8b4ead37d50263992cffc71c4294

SHA1
763f58cc9b731d736a1b991b4bd3d962e140067a

SHA256
6a908ac665692a6edf559c29307c16f17bad116674e58cdfaec2d0249a37e808

SHA512
c906562aba7a92d51e355755bf59ce6558208cc5df40d755fe9e1948927bbd4d0cddfdb01a94657b42bda173cda92e12af9922442342392663931b6e9f15036f

Download Submit
memory/1868-118-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1868-117-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2112-12-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2112-1-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2112-11-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2112-2-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2112-305-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2988-8-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2988-10-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2988-7-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download

Analysis

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