MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c5eb2e141e2889e82b551dc4804f872a59a5846aae7c4419409fd13fb94f3deb. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry

Formbook

Vendor detections: 13

Intelligence 13 IOCs YARA 1 File information Comments 1

SHA256 hash:	c5eb2e141e2889e82b551dc4804f872a59a5846aae7c4419409fd13fb94f3deb
SHA3-384 hash:	91fec2d6cc4b0ca9a7abb884a776c7e64dca05c1ad8d36e36153d6d5669e9cbef1a7efcc8039491a543a2c14d86712e5
SHA1 hash:	fddb98b0392fe58f543ad6fd80063f9bb56288dc
MD5 hash:	f8c0137e86efffc94ec95f659eec812b
humanhash:	fifteen-sierra-nitrogen-bakerloo
File name:	f8c0137e86efffc94ec95f659eec812b
Download:	download sample
Signature	Formbook Create hunting rule
File size:	293'938 bytes
First seen:	2022-10-10 15:50:25 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	56a78d55f3f7af51443e58e0ce2fb5f6 (720 x GuLoader, 451 x Formbook, 295 x Loki)
ssdeep	6144:HNeZmH94iQoLW7RdTmkhXj14ZsUTKkP+Lt:HNlHQkiRd5juZpGQs
TLSH	T12C54126126D0D417C81743B2BF728A7BDBFDA61722745B971300AE66BB361C0CE66F18
TrID	48.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 16.4% (.EXE) Win64 Executable (generic) (10523/12/4) 10.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 7.8% (.EXE) Win16 NE executable (generic) (5038/12/1) 7.0% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):
dhash icon	b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter	zbetcheckin
Tags:	32 exe FormBook

Intelligence

File Origin

# of uploads :

# of downloads :

273

Origin country :

n/a

Vendor Threat Intelligence

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/318573/

Detection(s):

SecuriteInfo.com.Trojan.NSISX.Spy.Gen.2.6896.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a file in the %temp% directory

Creating a process from a recently created file

Сreating synchronization primitives

Launching the default Windows debugger (dwwin.exe)

Searching for synchronization primitives

Launching a process

Sending a custom TCP request

DNS request

Sending an HTTP GET request

Reading critical registry keys

Unauthorized injection to a recently created process

Unauthorized injection to a recently created process by context flags manipulation

Stealing user critical data

Unauthorized injection to a system process

Result

Malware family:

n/a

Score:

5/10

Tags:

n/a

Link:

https://dragonfly.certego.net/analysis/42315/overview

Behaviour

MalwareBazaar

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

overlay packed shell32.dll

Link:

https://www.filescan.io/uploads/63443f690aa036a7dfcdcade/reports/4ec40071-ffe6-4284-bb27-f25fd7f7f5aa/overview

Result

Verdict:

MALICIOUS

Details

Windows PE Executable

Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.

Malware family:

Formbook

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/9168ce41-be16-4bf7-a741-a92550d374a4

Result

Threat name:

FormBook

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1087000

Signature

Antivirus detection for dropped file

C2 URLs / IPs found in malware configuration

Found hidden mapped module (file has been removed from disk)

Machine Learning detection for dropped file

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

Maps a DLL or memory area into another process

Modifies the context of a thread in another process (thread injection)

Multi AV Scanner detection for dropped file

Multi AV Scanner detection for submitted file

Queues an APC in another process (thread injection)

Sample uses process hollowing technique

System process connects to network (likely due to code injection or exploit)

Tries to harvest and steal browser information (history, passwords, etc)

Tries to steal Mail credentials (via file / registry access)

Yara detected FormBook

Behaviour

Behavior Graph:

Download SVG

Detection:

formbook

Link:

https://mwdb.cert.pl/sample/c5eb2e141e2889e82b551dc4804f872a59a5846aae7c4419409fd13fb94f3deb/

Threat name:

Win32.Trojan.Woreflint

Status:

Malicious

First seen:

2022-10-10 15:51:09 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

22 of 26 (84.62%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=yxvs4fa6fce6qk2vdxciat4hfjm2lbdkvz6eigkat7it7okphxvq._file

Verdict:

malicious

Label(s):

formbook

Result

Malware family:

formbook

Score:

10/10

Tags:

family:formbook campaign:tsuz rat spyware stealer trojan

Link:

https://tria.ge/reports/221010-tag5nscfen/

Behaviour

Modifies Internet Explorer settings

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: GetForegroundWindowSpam

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

Program crash

Suspicious use of SetThreadContext

Checks computer location settings

Loads dropped DLL

Executes dropped EXE

Formbook

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/c5eb2e141e28/report/overview.html

Please note that we are no longer able to provide a coverage score for Virus Total.

Threat name:

Malicious File

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/c5eb2e141e2889e82b551dc4804f872a59a5846aae7c4419409fd13fb94f3deb

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.