cycbot | 61dccc15243520df50e74cf04bbf41865e5749900ab08c38f50c7206c607a192

General

Target

JaffaCakes118_a16d3bb73186668114a7a584a5011e5e.exe
Size

188KB
MD5

a16d3bb73186668114a7a584a5011e5e
SHA1

e8cac6a8980d6bd584fd268061b7dbef538fda27
SHA256

61dccc15243520df50e74cf04bbf41865e5749900ab08c38f50c7206c607a192
SHA512

793ddf47fa10e78124af9086e16aea5bc5b1877079c00835494c40b8b175f0430061a07236db14fd27940d0a1b086ecf2f27515956de84422000d239b801379c
SSDEEP

3072:Ebb/YR23Qk3vbstBdsoPTJVQrVmLcYZc4ozviOSLP4Kkt8PkGLwv:qb4kfYfYrVmgYZMO4KkCLU

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/2424-10-0x0000000000400000-0x0000000000468000-memory.dmp	family_cycbot
behavioral1/memory/1740-15-0x0000000000400000-0x0000000000468000-memory.dmp	family_cycbot
behavioral1/memory/1872-83-0x0000000000400000-0x0000000000468000-memory.dmp	family_cycbot
behavioral1/memory/1740-163-0x0000000000400000-0x0000000000468000-memory.dmp	family_cycbot
behavioral1/memory/1740-198-0x0000000000400000-0x0000000000468000-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/1740-2-0x0000000000400000-0x0000000000468000-memory.dmp	upx
behavioral1/memory/2424-10-0x0000000000400000-0x0000000000468000-memory.dmp	upx
behavioral1/memory/2424-9-0x0000000000400000-0x0000000000468000-memory.dmp	upx
behavioral1/memory/1740-15-0x0000000000400000-0x0000000000468000-memory.dmp	upx
behavioral1/memory/1872-81-0x0000000000400000-0x0000000000468000-memory.dmp	upx
behavioral1/memory/1872-83-0x0000000000400000-0x0000000000468000-memory.dmp	upx
behavioral1/memory/1740-163-0x0000000000400000-0x0000000000468000-memory.dmp	upx
behavioral1/memory/1740-198-0x0000000000400000-0x0000000000468000-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_a16d3bb73186668114a7a584a5011e5e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_a16d3bb73186668114a7a584a5011e5e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_a16d3bb73186668114a7a584a5011e5e.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1740 wrote to memory of 2424	1740	JaffaCakes118_a16d3bb73186668114a7a584a5011e5e.exe	30
PID 1740 wrote to memory of 2424	1740	JaffaCakes118_a16d3bb73186668114a7a584a5011e5e.exe	30
PID 1740 wrote to memory of 2424	1740	JaffaCakes118_a16d3bb73186668114a7a584a5011e5e.exe	30
PID 1740 wrote to memory of 2424	1740	JaffaCakes118_a16d3bb73186668114a7a584a5011e5e.exe	30
PID 1740 wrote to memory of 1872	1740	JaffaCakes118_a16d3bb73186668114a7a584a5011e5e.exe	32
PID 1740 wrote to memory of 1872	1740	JaffaCakes118_a16d3bb73186668114a7a584a5011e5e.exe	32
PID 1740 wrote to memory of 1872	1740	JaffaCakes118_a16d3bb73186668114a7a584a5011e5e.exe	32
PID 1740 wrote to memory of 1872	1740	JaffaCakes118_a16d3bb73186668114a7a584a5011e5e.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a16d3bb73186668114a7a584a5011e5e.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a16d3bb73186668114a7a584a5011e5e.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1740
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a16d3bb73186668114a7a584a5011e5e.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a16d3bb73186668114a7a584a5011e5e.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2424
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a16d3bb73186668114a7a584a5011e5e.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a16d3bb73186668114a7a584a5011e5e.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1872

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\5F1D.324

Filesize
1KB

MD5
9090fe7cba06f39a22b8e949d7879291

SHA1
d535229456929b1cdc7db65620a6a5e3ef773538

SHA256
7ca1690fa4cda657be60999d20a9da170d933db1d95f84a420c01a905f43c546

SHA512
c874faaaec8f130fe0871dbabae3ccc1cb8405abf76f68177adb66a3faa739c8d5c5d84bd6a8cc125013a26029c6f2b0938d872e2388aff714c9c884bf68f610

Download Submit
C:\Users\Admin\AppData\Roaming\5F1D.324

Filesize
600B

MD5
47953a9c266e2f5bbbeae164103c5b93

SHA1
fbd4774013254658a48a45213a2d62a56b7a8e13

SHA256
2047be51c4921be488b3f839efe133ae8d1d0397ea6b1794d4375b13ca6ac709

SHA512
de480618698233107233191050bad67e4952a6af891d7778cf937cfe9edc853d232a5123216bad85f617bb0fd9f6571969ac3d0c5902906afdd2922677c63dae

Download Submit
C:\Users\Admin\AppData\Roaming\5F1D.324

Filesize
996B

MD5
d23d8d98c8dc2f0961089c158e4824c4

SHA1
0e2e6c90566890bbf0bfa517c1078dfdbe739131

SHA256
987264c7e9b0a00f1292e9ff8eda0bb3ebc70dddec9da50e900d4c6eb78d9e2c

SHA512
070ec542ce82045c447069e2f6933ce33a423ed8f6480f6eb629226ad612ac32686e4ac14c07191078badc03cdfec81ede816d083f13e4ff4533e7aebc4cf5eb

Download Submit
memory/1740-15-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/1740-2-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/1740-1-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/1740-163-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/1740-198-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/1872-81-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/1872-83-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/2424-9-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/2424-5-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/2424-10-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download

Analysis

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