cycbot | b5594c11132ca3d4a85ddbc38ba6d713e60d6378faead1955277bd6f7c63de8f

General

Target

e02065dd6de002344c388e7bdfbf97a2_JaffaCakes118.exe
Size

186KB
MD5

e02065dd6de002344c388e7bdfbf97a2
SHA1

656541469d8c18b8fe9a9854bbb1c369b7bf1054
SHA256

b5594c11132ca3d4a85ddbc38ba6d713e60d6378faead1955277bd6f7c63de8f
SHA512

997beed2bf97230a7ada298dd8ea358ee7bd7bae256b308cff33de303511655abf7a340b9aea7ad45ff01071c1e90ca33f01dd4b4790cb62a28c2820a0d57cd4
SSDEEP

3072:QLygpWZzpUyotbiI8IlPTsIxCW1wE8Mso/Hz5OsGdrBNT7QnG:QWRKN/QIxCm3hdN3GdrB6n

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 6 IoCs

Cycbot is a backdoor and trojan written in C++.

resource	yara_rule
behavioral2/memory/1508-14-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral2/memory/1088-15-0x0000000000400000-0x0000000000452000-memory.dmp	family_cycbot
behavioral2/memory/1088-16-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral2/memory/4740-75-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral2/memory/1088-174-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral2/memory/1088-176-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1088-2-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/1508-13-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/1508-14-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/1088-15-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral2/memory/1088-16-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/4740-73-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/4740-75-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/1088-174-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/1088-176-0x0000000000400000-0x0000000000455000-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	e02065dd6de002344c388e7bdfbf97a2_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1088 wrote to memory of 1508	1088	e02065dd6de002344c388e7bdfbf97a2_JaffaCakes118.exe	83
PID 1088 wrote to memory of 1508	1088	e02065dd6de002344c388e7bdfbf97a2_JaffaCakes118.exe	83
PID 1088 wrote to memory of 1508	1088	e02065dd6de002344c388e7bdfbf97a2_JaffaCakes118.exe	83
PID 1088 wrote to memory of 4740	1088	e02065dd6de002344c388e7bdfbf97a2_JaffaCakes118.exe	90
PID 1088 wrote to memory of 4740	1088	e02065dd6de002344c388e7bdfbf97a2_JaffaCakes118.exe	90
PID 1088 wrote to memory of 4740	1088	e02065dd6de002344c388e7bdfbf97a2_JaffaCakes118.exe	90

C:\Users\Admin\AppData\Local\Temp\e02065dd6de002344c388e7bdfbf97a2_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e02065dd6de002344c388e7bdfbf97a2_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1088
- C:\Users\Admin\AppData\Local\Temp\e02065dd6de002344c388e7bdfbf97a2_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\e02065dd6de002344c388e7bdfbf97a2_JaffaCakes118.exe startC:\Program Files (x86)\LP\42CB\A2A.exe%C:\Program Files (x86)\LP\42CB
  2⤵
  PID:1508
- C:\Users\Admin\AppData\Local\Temp\e02065dd6de002344c388e7bdfbf97a2_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\e02065dd6de002344c388e7bdfbf97a2_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\B946A\FCED3.exe%C:\Users\Admin\AppData\Roaming\B946A
  2⤵
  PID:4740

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\B946A\A678.946

Filesize
1KB

MD5
8d325683743da047b6713f4256843029

SHA1
3cec506d7f9771ef09c0ec54a173714612050f5b

SHA256
50348824b9c461881992020039cec81d28354b3d62a2f7c2614f6184a028ec26

SHA512
53a3cb1b8108e8a4e82c99355655e30f901008df34d58209b790cd767284e25951518bdd1433c2cabf07151b3361c8221d9b1da01de8fbc1e5c726ee346aef01

Download Submit
C:\Users\Admin\AppData\Roaming\B946A\A678.946

Filesize
600B

MD5
fe0feb1c740576ce37cd3f33c39f289c

SHA1
32a5d121873c9b4af3a1ed6b37ae8ee085843cac

SHA256
98b6f3c00d0f0c760fda4154454d668e5dfd0e9842b29f6acf945c65f1de4bc7

SHA512
2255222f938f4265277c70ca79abb2ecfd24b3757f54b08df8116295b22b050eceb85d96212391c75c417e8a79ad0a20e163deba1f3dae1cf1166b96f9b7a15d

Download Submit
C:\Users\Admin\AppData\Roaming\B946A\A678.946

Filesize
996B

MD5
3e7cdde7883ca61bbd2491c7938940ee

SHA1
698d933286dab7c137ba3175ed0bbe5531d4244c

SHA256
8b0d09038e573e68f3717d80b5a5423bd86b6528674956d95aa13537f70f0902

SHA512
e1483dcab1bcf54e849b7d992baca0d48326f3e1e03dd88aae1c0dbe1ed57f86f460b430f0f5209180eccfbd06c2fb91c19bab761adb5c4d8d0f0ca602e0f714

Download Submit
memory/1088-1-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1088-176-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/1088-2-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/1088-174-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/1088-15-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1088-16-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/1508-12-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/1508-14-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/1508-13-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/4740-75-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/4740-73-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download

Analysis

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