cycbot | 9d00ba1cd833f56e0bdd585ebfeabf89636de6087b1d93596abea6a9cc24f606

General

Target

JaffaCakes118_4c278d66b47d9197115424721afe7994.exe
Size

188KB
MD5

4c278d66b47d9197115424721afe7994
SHA1

fddb144bac6a3b29115bd8db84473b4418d65fa2
SHA256

9d00ba1cd833f56e0bdd585ebfeabf89636de6087b1d93596abea6a9cc24f606
SHA512

447076bc2f4405f64f9f4968efc34e0203b4d2142b51b2a07b788e000ebf9f6379a86001157e63a4fb8e44a8e5ffbab164cacc68b0fb64293e014647e44731e0
SSDEEP

3072:qsZYLfA5WqAx6cXFSjTXnkH8rZhNT+ohPCXa3hLVxBhsS7d/i5LVK3100oPHNV0e:q5fA9Ax6+FS3nkHad+WVBugda5Lg31lw

Score

10^/10

cycbot backdoor discovery rat spyware stealer 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/2416-14-0x0000000000400000-0x0000000000454000-memory.dmp	family_cycbot
behavioral1/memory/2848-15-0x0000000000400000-0x0000000000452000-memory.dmp	family_cycbot
behavioral1/memory/2848-16-0x0000000000400000-0x0000000000454000-memory.dmp	family_cycbot
behavioral1/memory/2876-127-0x0000000000400000-0x0000000000454000-memory.dmp	family_cycbot
behavioral1/memory/2848-282-0x0000000000400000-0x0000000000454000-memory.dmp	family_cycbot

Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2848-2-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/2416-11-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/2416-12-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/2416-14-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/2848-15-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral1/memory/2848-16-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/2876-127-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/2848-282-0x0000000000400000-0x0000000000454000-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_4c278d66b47d9197115424721afe7994.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2848 wrote to memory of 2416	2848	JaffaCakes118_4c278d66b47d9197115424721afe7994.exe	30
PID 2848 wrote to memory of 2416	2848	JaffaCakes118_4c278d66b47d9197115424721afe7994.exe	30
PID 2848 wrote to memory of 2416	2848	JaffaCakes118_4c278d66b47d9197115424721afe7994.exe	30
PID 2848 wrote to memory of 2416	2848	JaffaCakes118_4c278d66b47d9197115424721afe7994.exe	30
PID 2848 wrote to memory of 2876	2848	JaffaCakes118_4c278d66b47d9197115424721afe7994.exe	32
PID 2848 wrote to memory of 2876	2848	JaffaCakes118_4c278d66b47d9197115424721afe7994.exe	32
PID 2848 wrote to memory of 2876	2848	JaffaCakes118_4c278d66b47d9197115424721afe7994.exe	32
PID 2848 wrote to memory of 2876	2848	JaffaCakes118_4c278d66b47d9197115424721afe7994.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4c278d66b47d9197115424721afe7994.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4c278d66b47d9197115424721afe7994.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2848
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4c278d66b47d9197115424721afe7994.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4c278d66b47d9197115424721afe7994.exe startC:\Program Files (x86)\LP\BF82\06D.exe%C:\Program Files (x86)\LP\BF82
  2⤵
  PID:2416
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4c278d66b47d9197115424721afe7994.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4c278d66b47d9197115424721afe7994.exe startC:\Users\Admin\AppData\Roaming\206F2\3F5BF.exe%C:\Users\Admin\AppData\Roaming\206F2
  2⤵
  PID:2876

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\206F2\2A2E.06F

Filesize
996B

MD5
277fce69fc4e10c0d7dca34e8ad8a6e4

SHA1
830c1c5fda8f8dfe4df9d8d8e6616b3a70aa8221

SHA256
927c96e10b6cd973457b495800a979685a482917a10440fc1ba13224fc41c49c

SHA512
8849bfa0d1ff65ed00d6042ab8f3dd60dcb5f73e5e07bd93fa5f04a9c9615a5c8ba7c2e448f11b14f8cdb7eb238437e0b8910b7f84d4bf13adcb3c3782139131

Download Submit
C:\Users\Admin\AppData\Roaming\206F2\2A2E.06F

Filesize
600B

MD5
338e173b3056f566f4ec470cefbdc7ee

SHA1
865e9f91c869f7697a371ba313acbd290f5ac3f4

SHA256
ba915d7db5d27b097a6ac2ff1d58f9b5b98110c64d056c17ab63abe61bd7a994

SHA512
d9e8b2d2f12b1a07aedff2a971594afb8f447ccbc687e358fbc9e7d637301d3ebb26afe828b94237689e9728d80491b0650951f84671ac87ce759bda62034304

Download Submit
C:\Users\Admin\AppData\Roaming\206F2\2A2E.06F

Filesize
1KB

MD5
f635db93299f88a938fbeaaec71b9610

SHA1
5dd29d533042ad911abad9462140cb95464be7ed

SHA256
35bcfd7c50eb138bc7ba3abd1eb9b0228c77a4b2ef75cd78e46cd1ad0033a412

SHA512
a9a94f1b3b0e0e37852dd18777b82256011b18338eabee312cc00876cd7abc6e90da260d8d7e6c7ea27f8e337f2a30bae74ec91889d381bb5de161efe8d22cb6

Download Submit
memory/2416-11-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2416-12-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2416-14-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2848-16-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2848-1-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2848-15-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2848-2-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2848-282-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2876-125-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2876-127-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download

Analysis

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