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
behavioral2/memory/2324-9-0x0000000000400000-0x0000000000454000-memory.dmp	family_cycbot
behavioral2/memory/1240-10-0x0000000000400000-0x0000000000454000-memory.dmp	family_cycbot
behavioral2/memory/1240-11-0x0000000000400000-0x0000000000452000-memory.dmp	family_cycbot
behavioral2/memory/1452-120-0x0000000000400000-0x0000000000454000-memory.dmp	family_cycbot
behavioral2/memory/1240-259-0x0000000000400000-0x0000000000454000-memory.dmp	family_cycbot

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1240-2-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/2324-8-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/2324-9-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/1240-10-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/1240-11-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral2/memory/1452-120-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/1240-259-0x0000000000400000-0x0000000000454000-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 6 IoCs

description	pid	Process	procid_target
PID 1240 wrote to memory of 2324	1240	JaffaCakes118_1f414f4fd6949d0874f8b8932f572860.exe	85
PID 1240 wrote to memory of 2324	1240	JaffaCakes118_1f414f4fd6949d0874f8b8932f572860.exe	85
PID 1240 wrote to memory of 2324	1240	JaffaCakes118_1f414f4fd6949d0874f8b8932f572860.exe	85
PID 1240 wrote to memory of 1452	1240	JaffaCakes118_1f414f4fd6949d0874f8b8932f572860.exe	99
PID 1240 wrote to memory of 1452	1240	JaffaCakes118_1f414f4fd6949d0874f8b8932f572860.exe	99
PID 1240 wrote to memory of 1452	1240	JaffaCakes118_1f414f4fd6949d0874f8b8932f572860.exe	99

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:1240
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1f414f4fd6949d0874f8b8932f572860.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1f414f4fd6949d0874f8b8932f572860.exe startC:\Program Files (x86)\LP\B839\B6C.exe%C:\Program Files (x86)\LP\B839
  2⤵
  PID:2324
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1f414f4fd6949d0874f8b8932f572860.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1f414f4fd6949d0874f8b8932f572860.exe startC:\Users\Admin\AppData\Roaming\9BC89\85BB8.exe%C:\Users\Admin\AppData\Roaming\9BC89
  2⤵
  PID:1452

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\9BC89\9A7C.BC8

Filesize
696B

MD5
fea2c4f78fa0855250b5c3d3f029d51b

SHA1
700cd76cdfbb29321beaf82072aae11c53a7bf1c

SHA256
86fbf330d80805527191dc1216d8f7cc9714918aad738a728c224ed344ab3e15

SHA512
ad1d8890891ad0f7c77633d747083f601afccb0b7ef3d29485284f9c6a523cda95d4e887ff262d5876586f8d8267a79d85ccec7bbb90da6e296d61370b92ba18

Download Submit
C:\Users\Admin\AppData\Roaming\9BC89\9A7C.BC8

Filesize
300B

MD5
0b146791852e4535856233f0834de2c1

SHA1
74db70d6a0926f9f29a41f1fce6c76c525fcf2bc

SHA256
ca65e0ed3f38429e72085639c60c629d464acf5e67c7993eaaa49162d4a42b7d

SHA512
ab761b9bd3e55d5c7a9ecaf723b82fa2b33e2d30f4fcccfcfe20f28ac6633b2cce6f239ded41e01bd0a8718287c215479567a0b2338b93d9b1e44f0ab09fffb5

Download Submit
C:\Users\Admin\AppData\Roaming\9BC89\9A7C.BC8

Filesize
1KB

MD5
b04ac859e96d5e5d62e7d8868054aa94

SHA1
e54f51cd3504098f5e0a8ba1dc1ac4ab1a587e1a

SHA256
41edfa51e4203cf6ec1e0da85bbf5160229d67bfdcff3a08139922403e22ffa0

SHA512
5ba317b3af5bea545e8f0747204c462a58b43c37a11e38b10efd9d10e964a216c403c8d22fc9c26b3959f9df32dd95cb9156c76dc315ce85b394db578fc015e4

Download Submit
memory/1240-1-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1240-2-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1240-10-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1240-11-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1240-259-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1452-120-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2324-7-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2324-8-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2324-9-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download

Analysis

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