cycbot | 1959401c788dd3a3c0061173aa63d7262fd3a2409ed5a86fa7d972f22588403f

General

Target

JaffaCakes118_d2412cf9ff427ad8151ed1314599c98d.exe
Size

186KB
MD5

d2412cf9ff427ad8151ed1314599c98d
SHA1

a8e69ce0ba4b581c4aa9f5475844150477a4bc86
SHA256

1959401c788dd3a3c0061173aa63d7262fd3a2409ed5a86fa7d972f22588403f
SHA512

c383a7862bad53ce3c2d42f83fa33ad24085fd86b2f0b82b73f596ceeedafd4579d45f59c1300b3a8a1600a2746eb11791167c6c7f8932183cbf0e73b2290f19
SSDEEP

3072:aANX8pbFYckGkuG8dNF1uUiuBkwC8NYJjjZI+2+wQ/O7jyHGxRCTis01Luf:aAG5DF1uUvqwO2VFQGKtr01L

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/3084-9-0x0000000000400000-0x0000000000454000-memory.dmp	family_cycbot
behavioral2/memory/560-10-0x0000000000400000-0x0000000000454000-memory.dmp	family_cycbot
behavioral2/memory/560-11-0x0000000000400000-0x0000000000452000-memory.dmp	family_cycbot
behavioral2/memory/816-117-0x0000000000400000-0x0000000000454000-memory.dmp	family_cycbot
behavioral2/memory/560-280-0x0000000000400000-0x0000000000454000-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/560-2-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/3084-8-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/3084-9-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/560-10-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/560-11-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral2/memory/816-116-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/816-117-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral2/memory/560-280-0x0000000000400000-0x0000000000454000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 3 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_d2412cf9ff427ad8151ed1314599c98d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_d2412cf9ff427ad8151ed1314599c98d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_d2412cf9ff427ad8151ed1314599c98d.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 560 wrote to memory of 3084	560	JaffaCakes118_d2412cf9ff427ad8151ed1314599c98d.exe	84
PID 560 wrote to memory of 3084	560	JaffaCakes118_d2412cf9ff427ad8151ed1314599c98d.exe	84
PID 560 wrote to memory of 3084	560	JaffaCakes118_d2412cf9ff427ad8151ed1314599c98d.exe	84
PID 560 wrote to memory of 816	560	JaffaCakes118_d2412cf9ff427ad8151ed1314599c98d.exe	86
PID 560 wrote to memory of 816	560	JaffaCakes118_d2412cf9ff427ad8151ed1314599c98d.exe	86
PID 560 wrote to memory of 816	560	JaffaCakes118_d2412cf9ff427ad8151ed1314599c98d.exe	86

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d2412cf9ff427ad8151ed1314599c98d.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d2412cf9ff427ad8151ed1314599c98d.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:560
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d2412cf9ff427ad8151ed1314599c98d.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d2412cf9ff427ad8151ed1314599c98d.exe startC:\Program Files (x86)\LP\A057\D7E.exe%C:\Program Files (x86)\LP\A057
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3084
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d2412cf9ff427ad8151ed1314599c98d.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d2412cf9ff427ad8151ed1314599c98d.exe startC:\Users\Admin\AppData\Roaming\79D21\71DA0.exe%C:\Users\Admin\AppData\Roaming\79D21
  2⤵
  - System Location Discovery: System Language Discovery
  PID:816

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\79D21\19FC.9D2

Filesize
696B

MD5
6afef9f69fe8fed179751af726d4916c

SHA1
800ec2ded51a19b876e83817ecd4470ab5fdfe43

SHA256
98033f66650096ba3dd5fd95b0c6b2b0528f214cc729e37e884793df0450255d

SHA512
d9ebacc31fb109e255831e14d790083a7b14c738a226936867285ba09a87e8c191b004a21e458df2e463f85e78b48fd3dec50db3647281679d5fc4ee56ab9937

Download Submit
C:\Users\Admin\AppData\Roaming\79D21\19FC.9D2

Filesize
300B

MD5
13144a5caa2ebe328311e8fb8fb366cd

SHA1
c92ca040b06d5ad4a77a75456da01c0d0208d8e3

SHA256
eb344422f3579885d4053411bf2dc3b56b5a9d6b16b88598e867a2ac16a4a807

SHA512
ed8b1e780897d2f65483a73d59e0c66ebe25c9566e5fd4727867dc3dfddd0f75b0111548364a3af62872c56c1ed899f17c1776b90e31a749617c6ea3c9e65e6e

Download Submit
C:\Users\Admin\AppData\Roaming\79D21\19FC.9D2

Filesize
1KB

MD5
13d3a74b2bc79c04df0c49e65128adb6

SHA1
c632bd5c1b784edf123deaca0c9685a7dedd7ee2

SHA256
2e32d1475fc8019ef9ec4a30a3eca686a6a2db17cc63f092dfbe53bf45db4b1b

SHA512
070df0dea673d7ce71bb178111e6d851b8a508a2061bf69c7468fa5e6752938b5730e3c9d665da7690ef5cfcbdbfa66aea230f065faf8e5abaf7dd2de1b4c5e4

Download Submit
memory/560-2-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/560-1-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/560-280-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/560-10-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/560-11-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/816-117-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/816-116-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/3084-9-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/3084-7-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/3084-8-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download

Analysis

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