cycbot | b986ecb698196e2430d6d610d20ae40e17550fd848744ade456fdc039acd9d84

General

Target

91a7222173a391b6c15ee064abb76d6a_JaffaCakes118.exe
Size

191KB
MD5

91a7222173a391b6c15ee064abb76d6a
SHA1

326e76baa09939b8be28d0331c8fc0649b96ff10
SHA256

b986ecb698196e2430d6d610d20ae40e17550fd848744ade456fdc039acd9d84
SHA512

9114ab0c041de194f248250e007e0a0022df3f6f821a6feee834e810d4d3c309a50109b079117e63a6279d3000c85d2195720b85dd435405a0431ac979ee83b0
SSDEEP

3072:OBtf6BpgA4D2LoIgCUb7bWzmIhrsG1zwO+0/i9CwqVsKKwGrQWb9lTLGaNo:Ofo4zIgRb7GmIhrbB7i9sM/bnTLGb

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/2484-8-0x0000000000400000-0x0000000000447000-memory.dmp	family_cycbot
behavioral1/memory/572-15-0x0000000000400000-0x0000000000447000-memory.dmp	family_cycbot
behavioral1/memory/1624-76-0x0000000000400000-0x0000000000447000-memory.dmp	family_cycbot
behavioral1/memory/572-168-0x0000000000400000-0x0000000000447000-memory.dmp	family_cycbot
behavioral1/memory/572-205-0x0000000000400000-0x0000000000447000-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/572-2-0x0000000000400000-0x0000000000447000-memory.dmp	upx
behavioral1/memory/2484-8-0x0000000000400000-0x0000000000447000-memory.dmp	upx
behavioral1/memory/2484-6-0x0000000000400000-0x0000000000447000-memory.dmp	upx
behavioral1/memory/572-15-0x0000000000400000-0x0000000000447000-memory.dmp	upx
behavioral1/memory/1624-75-0x0000000000400000-0x0000000000447000-memory.dmp	upx
behavioral1/memory/1624-76-0x0000000000400000-0x0000000000447000-memory.dmp	upx
behavioral1/memory/572-168-0x0000000000400000-0x0000000000447000-memory.dmp	upx
behavioral1/memory/572-205-0x0000000000400000-0x0000000000447000-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	91a7222173a391b6c15ee064abb76d6a_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	91a7222173a391b6c15ee064abb76d6a_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	91a7222173a391b6c15ee064abb76d6a_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 572 wrote to memory of 2484	572	91a7222173a391b6c15ee064abb76d6a_JaffaCakes118.exe	29
PID 572 wrote to memory of 2484	572	91a7222173a391b6c15ee064abb76d6a_JaffaCakes118.exe	29
PID 572 wrote to memory of 2484	572	91a7222173a391b6c15ee064abb76d6a_JaffaCakes118.exe	29
PID 572 wrote to memory of 2484	572	91a7222173a391b6c15ee064abb76d6a_JaffaCakes118.exe	29
PID 572 wrote to memory of 1624	572	91a7222173a391b6c15ee064abb76d6a_JaffaCakes118.exe	31
PID 572 wrote to memory of 1624	572	91a7222173a391b6c15ee064abb76d6a_JaffaCakes118.exe	31
PID 572 wrote to memory of 1624	572	91a7222173a391b6c15ee064abb76d6a_JaffaCakes118.exe	31
PID 572 wrote to memory of 1624	572	91a7222173a391b6c15ee064abb76d6a_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\91a7222173a391b6c15ee064abb76d6a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\91a7222173a391b6c15ee064abb76d6a_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:572
- C:\Users\Admin\AppData\Local\Temp\91a7222173a391b6c15ee064abb76d6a_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\91a7222173a391b6c15ee064abb76d6a_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2484
- C:\Users\Admin\AppData\Local\Temp\91a7222173a391b6c15ee064abb76d6a_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\91a7222173a391b6c15ee064abb76d6a_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1624

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\520D.2D1

Filesize
1KB

MD5
8d5938bd3a9577928745f91c34f3cb16

SHA1
4a62c3d95485081411901fc029eeb3bf77fd5276

SHA256
1866f7b59c6bb2aca61a1f4f973f9e5e576fcd53a023d35d8199948757625560

SHA512
cf047f2641c4a4251751849225980ed19060464133df595ce3b3e428d1ba3846997691ed573c83de9e1db7e5d8954c5786da621ea928188105b09bad2650f75f

Download Submit
C:\Users\Admin\AppData\Roaming\520D.2D1

Filesize
600B

MD5
bd7d38e68fe69082f9270552c8d4b187

SHA1
f16503a545061f08caf23b82f2007fc196ebdcdd

SHA256
5c1b8d3a5740962d2816a7d63ab7e8623e927bad10b4e0319a9c454e66d492af

SHA512
e648ec92f7f6e2633e5bfad36957d6eb59e38a6b1297a21036a2aad4941eceaa98fa5a7b9b079818f447391d58bbf87494888121b5582fe3cfa3d59e4fce617e

Download Submit
C:\Users\Admin\AppData\Roaming\520D.2D1

Filesize
996B

MD5
2468b6c4d3abf85b21bb2bfb3ac552ac

SHA1
16f59f88cfb808a36cd3d67ac5bf0965c4b8c78d

SHA256
54e8b4c86b47d06d5994fc409866a6a2c7acd3784ea91196845d46c78cb3a129

SHA512
d153b901810d842308f1065471c2fac24bc891f1f1f6bf4774adca0903d7af88e6058029c83dc90f52ca2939c0121d5b3a59162c244c782072c223fa25f2f3d8

Download Submit
memory/572-1-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download
memory/572-2-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download
memory/572-205-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download
memory/572-168-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download
memory/572-15-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download
memory/1624-76-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download
memory/1624-75-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download
memory/1624-73-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download
memory/2484-6-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download
memory/2484-8-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download
memory/2484-5-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download

Analysis

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