MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 215bf08032eb73c5e0b50bcce07def909e22f769315b0f90ed6cec87b28d44f6. 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: 18

Intelligence 18 IOCs YARA 1 File information Comments

SHA256 hash:	215bf08032eb73c5e0b50bcce07def909e22f769315b0f90ed6cec87b28d44f6
SHA3-384 hash:	d148c3404e8d76f008a4b5536ab530faba5760dd876e716c4993c6efd4ccee8cba4b916fb54c59d6fe0881c531331e5c
SHA1 hash:	165df27eaf709ed593eab2d54f91a6bb770d44f2
MD5 hash:	4449429ef363924a7fcff191dd03a72b
humanhash:	ink-kentucky-sweet-island
File name:	PRE ALERT NOTICE#202307.exe
Download:	download sample
Signature	Formbook Create hunting rule
File size:	245'825 bytes
First seen:	2023-06-29 21:23:25 UTC
Last seen:	2023-06-30 06:26:28 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep	6144:/Ya6ZrtLB2NHnPfIOOJVZE5k8EcMYvbW12UP:/YT5ENnIRrKk54vbW5
Threatray	2'228 similar samples on MalwareBazaar
TLSH	T121341251EB60C467D4A702721E7A63638FF6BA1710A4838B3B501F49F876662EF1E3D4
TrID	47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 15.9% (.EXE) Win64 Executable (generic) (10523/12/4) 9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 7.6% (.EXE) Win16 NE executable (generic) (5038/12/1) 6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):
dhash icon	b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter	James_inthe_box
Tags:	exe FormBook

Intelligence

File Origin

# of uploads :

# of downloads :

348

Origin country :

Vendor Threat Intelligence

Malware family:

formbook

ID:

File name:

PRE ALERT NOTICE#202307.exe

Verdict:

Malicious activity

Analysis date:

2023-06-29 21:24:53 UTC

Tags:

formbook xloader trojan stealer

Link:

https://app.any.run/tasks/d94798a8-adb1-4df9-aacb-f965011cc6a2

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Detection:

Formbook

Link:

https://www.capesandbox.com/analysis/403891/

Detection(s):

Sanesecurity.Rogue.0hr.20230629-1537.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Creating a file in the %temp% directory

Creating a window

Creating a file

Creating a file in the %AppData% subdirectories

Unauthorized injection to a recently created process

Restart of the analyzed sample

Launching a process

Сreating synchronization primitives

Launching cmd.exe command interpreter

Sending a custom TCP request

Setting browser functions hooks

Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch

Forced shutdown of a system process

Unauthorized injection to a system process

Unauthorized injection to a browser process

Result

Malware family:

n/a

Score:

5/10

Tags:

n/a

Link:

https://dragonfly.certego.net/analysis/94164/overview

Behaviour

MalwareBazaar

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

control lolbin overlay packed shell32

Link:

https://www.filescan.io/uploads/649df67343c50dd52af06ebf/reports/be9972fe-71fd-4c78-84a9-61526094d819/overview

Verdict:

Unknown

Link:

https://www.hybrid-analysis.com/sample/215bf08032eb73c5e0b50bcce07def909e22f769315b0f90ed6cec87b28d44f6

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/c847615e-44ab-4766-8d59-81a0f7b7a000

Result

Threat name:

FormBook

Detection:

malicious

Classification:

troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1263521

Signature

Antivirus detection for URL or domain

C2 URLs / IPs found in malware configuration

Detected unpacking (changes PE section rights)

Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)

Found malware configuration

Initial sample is a PE file and has a suspicious name

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)

Modifies the prolog of user mode functions (user mode inline hooks)

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

Snort IDS alert for network traffic

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

Tries to detect virtualization through RDTSC time measurements

Yara detected FormBook

Behaviour

Behavior Graph:

Download SVG

Detection:

formbook

Link:

https://mwdb.cert.pl/sample/215bf08032eb73c5e0b50bcce07def909e22f769315b0f90ed6cec87b28d44f6/

Threat name:

Win32.Trojan.FormBook

Status:

Malicious

First seen:

2023-06-29 09:37:01 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

22 of 36 (61.11%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=efn7babs5nz4lyfvbpgoa7ppscpcf53jgfnq7ehnntwipmunit3a._file

Verdict:

malicious

Label(s):

formbook

Formbook

34b13a0e4c1c0226e821fa78d0a32e797db1329f3ab0d16e41a413968c274ba7

Formbook

4422661ccc0d1ca90ea0427fbe9eacc398d819ef1f557c163a686fa127444c3a

Formbook

4431648599d5c8d9ed6324d5cfaccf83daaecf91b9637b1cf308b8004ca43757

Formbook

6147af8263840617beb21652bb8db0fc7683a9e62a084254e548a884c8fa9a31

Formbook

68cb6a1efb7c442f063eee5ae3f96ae12a3d2fba0852f22aa7a761cf8b1ae31a

Formbook

80b80845ee4a8518871ba71bba822baf33341129eb94c1f512684c613133c3bf

Formbook

b818f5a62ced3a731fa73968051a1017aee199a324fe740c7bb14c488d1a670f

Formbook

cfe9062e6bd88ae993c3e8b295386c2e5e9aa7d8b9ceb168f56ccd3e0e5cbe36

Formbook

fc3d76ed49eec628b68edd00a4eddc93a027091aad8fc59991c26b039a81e531

Formbook

+ 2'218 additional samples on MalwareBazaar

Result

Malware family:

formbook

Score:

10/10

Tags:

family:formbook campaign:s28y persistence rat spyware stealer trojan

Link:

https://tria.ge/reports/230629-z81ybsga7x/

Behaviour

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

Suspicious use of SetThreadContext

Adds Run key to start application

Deletes itself

Loads dropped DLL

Formbook payload

Formbook

Unpacked files

SH256 hash:

2c92c3a13530fbcd3a2768af8671311c3fcf878626ed24febdc65c76cbeaeaf1

MD5 hash:

57ba313b829018ef160b67e61a5a48ba

SHA1 hash:

91aed3316a773ffb22f738bd3b01e10d3803a1f3

Detections:

FormBook

win_formbook_w0

win_formbook_auto

win_formbook_g0

FormBook

win_formbook_w0

win_formbook_auto

win_formbook_g0

Link:

https://www.unpac.me/results/baf0c9a9-1803-4959-9b9d-5e617b4dde08/

Parent samples :
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SH256 hash:

672d81f75a399571efd03cb8e1446e22960cc953c64c0c920a5c04388c9594a4

MD5 hash:

e42715faf16a496c33ecffc04a7d0c55

SHA1 hash:

3af88a7b26151fa3f1347ac596411b48b18bd03b

Link:

https://www.unpac.me/results/baf0c9a9-1803-4959-9b9d-5e617b4dde08/

SH256 hash:

2c92c3a13530fbcd3a2768af8671311c3fcf878626ed24febdc65c76cbeaeaf1

MD5 hash:

57ba313b829018ef160b67e61a5a48ba

SHA1 hash:

91aed3316a773ffb22f738bd3b01e10d3803a1f3

Detections:

FormBook

win_formbook_w0

win_formbook_auto

win_formbook_g0

FormBook

win_formbook_w0

win_formbook_auto

win_formbook_g0

Link:

https://www.unpac.me/results/baf0c9a9-1803-4959-9b9d-5e617b4dde08/

Parent samples :

SH256 hash:

672d81f75a399571efd03cb8e1446e22960cc953c64c0c920a5c04388c9594a4

MD5 hash:

e42715faf16a496c33ecffc04a7d0c55

SHA1 hash:

3af88a7b26151fa3f1347ac596411b48b18bd03b

Link:

https://www.unpac.me/results/baf0c9a9-1803-4959-9b9d-5e617b4dde08/

SH256 hash:

215bf08032eb73c5e0b50bcce07def909e22f769315b0f90ed6cec87b28d44f6

MD5 hash:

4449429ef363924a7fcff191dd03a72b

SHA1 hash:

165df27eaf709ed593eab2d54f91a6bb770d44f2

Link:

https://www.unpac.me/results/baf0c9a9-1803-4959-9b9d-5e617b4dde08/

Malware family:

XLoader

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/215bf08032eb/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/215bf08032eb73c5e0b50bcce07def909e22f769315b0f90ed6cec87b28d44f6

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.