MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 272872a41e4e0ae720f6f61e50320720cf0313fe65d4c039334ed6c0cb7f37b0. 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 3 File information Comments
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SHA256 hash: 272872a41e4e0ae720f6f61e50320720cf0313fe65d4c039334ed6c0cb7f37b0
SHA3-384 hash: 3fa228ac8d70b37fa715b712777e4ffbd0d091cddd84bd132f0d18d3020ef80b5b2d30faeffb5bb7d287aaa3151d882a
SHA1 hash: 747470c76d47d50eaaa891edcc2f17b22b07d1c9
MD5 hash: 41b41296821338a634d99d5b5c749ec1
humanhash: indigo-lithium-jersey-hamper
File name:PO-230102_May 2023.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:227'328 bytes
First seen:2023-05-08 15:44:55 UTC
Last seen:2023-05-15 10:22:55 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'612 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 3072:d0gHHDGWvgDE4u+gCGHjEmELWQ88ffVls4:WkDBuEawAWE3Vls
Threatray 2'392 similar samples on MalwareBazaar
TLSH T108245B5BEB4C9606C4269A3008B222759335DCCB1E799FD3F46C76298E3B3947886376
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 038e0edeaab3d201 (2 x Formbook)
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
5
# of downloads :
258
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO-230102_May 2023.exe
Verdict:
Suspicious activity
Analysis date:
2023-05-08 15:45:36 UTC
Tags:
opendir
Link:
https://app.any.run/tasks/dbd7fda0-4648-4a85-8bc9-6819ab4f2a19

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/387568/
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.5995.21819.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a file in the %AppData% subdirectories
Launching a process
Creating a file
Searching for synchronization primitives
Launching cmd.exe command interpreter
Setting browser functions hooks
Sending an HTTP GET request to an infection source
Enabling autorun by creating a file
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/64591900a55384de2a9ddeb5/reports/fa91b956-3a18-4bec-beb6-9a3a082b7596/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/272872a41e4e0ae720f6f61e50320720cf0313fe65d4c039334ed6c0cb7f37b0
Result
Verdict:
UNKNOWN
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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/092bd9c3-4936-4266-ad3f-80ee57f3a0c9
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1228448
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Creates an undocumented autostart registry key
Found malware configuration
Injects a PE file into a foreign processes
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
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 861423 Sample: PO-230102_May_2023.exe Startdate: 08/05/2023 Architecture: WINDOWS Score: 100 36 www.homeseller.tips 2->36 54 Snort IDS alert for network traffic 2->54 56 Found malware configuration 2->56 58 Malicious sample detected (through community Yara rule) 2->58 60 11 other signatures 2->60 11 PO-230102_May_2023.exe 15 6 2->11         started        signatures3 process4 dnsIp5 44 107.172.206.120, 49702, 80 AS-COLOCROSSINGUS United States 11->44 30 C:\Users\user\AppData\Roaming\...\Becxcl.exe, PE32 11->30 dropped 32 C:\Users\user\...\Becxcl.exe:Zone.Identifier, ASCII 11->32 dropped 34 C:\Users\user\...\PO-230102_May_2023.exe.log, ASCII 11->34 dropped 70 Creates an undocumented autostart registry key 11->70 72 Writes to foreign memory regions 11->72 74 Allocates memory in foreign processes 11->74 76 Injects a PE file into a foreign processes 11->76 16 MSBuild.exe 11->16         started        file6 signatures7 process8 signatures9 46 Modifies the context of a thread in another process (thread injection) 16->46 48 Maps a DLL or memory area into another process 16->48 50 Sample uses process hollowing technique 16->50 52 2 other signatures 16->52 19 explorer.exe 4 6 16->19 injected process10 dnsIp11 38 td-ccm-168-233.wixdns.net 34.117.168.233, 49706, 80 GOOGLE-AS-APGoogleAsiaPacificPteLtdSG United States 19->38 40 www.monsters.boo 52.60.87.163, 49705, 80 AMAZON-02US United States 19->40 42 2 other IPs or domains 19->42 62 System process connects to network (likely due to code injection or exploit) 19->62 23 svchost.exe 19->23         started        signatures12 process13 signatures14 64 Modifies the context of a thread in another process (thread injection) 23->64 66 Maps a DLL or memory area into another process 23->66 68 Tries to detect virtualization through RDTSC time measurements 23->68 26 cmd.exe 1 23->26         started        process15 process16 28 conhost.exe 26->28         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/272872a41e4e0ae720f6f61e50320720cf0313fe65d4c039334ed6c0cb7f37b0/
Threat name:
Win32.Trojan.Woreflint
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Status:
Malicious
First seen:
2023-05-08 15:45:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
18
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=e4uhfja6jyfooihw6ypfamqhedhqge76mxkmaojtj3lmbs37g6ya._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
112da5dc2023c407a5d080239836143b39d1a75aa579c373fea4f7b3171c2925
Formbook
4f5c467411c837a992614f516e8894702370854dc6abc7644754a3be19b85476
Formbook
5a95e92547f26d8b505c2c70b8c96dd8c41cb73ce948781b08a0adc831b1b158
Formbook
78c83e6e7ce1c4708302ea7cd0a51b142b49f1e58e5fdefa07d9891b019683a4
Formbook
ab885c190a5cf8f650a0c8ff3b6e0bd2ed857e4126cfde672fa5a70db5616751
Formbook
d346f44b099d0aa4226f6a6340e660e003d5293ee68c4d4fe38b301754c271fb
Formbook
d4ab87e55002c6b6e0aafcf9365ab9017946e998371e43b15a50bae8475b947c
Formbook
ee0603d9ad98809ae728d4d1ebee72fcb97b28d493df380a6805f7d45a086b64
Formbook
+ 2'382 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:g3th rat spyware stealer trojan
Link:
https://tria.ge/reports/230508-s62zaadb61/
Behaviour
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook payload
Formbook
Unpacked files
SH256 hash:
272872a41e4e0ae720f6f61e50320720cf0313fe65d4c039334ed6c0cb7f37b0
MD5 hash:
41b41296821338a634d99d5b5c749ec1
SHA1 hash:
747470c76d47d50eaaa891edcc2f17b22b07d1c9
Link:
https://www.unpac.me/results/7960609e-aaf0-4c1f-96be-dd65f534fb21/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/272872a41e4e/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.55
Link:
https://yomi.yoroi.company/submissions/272872a41e4e0ae720f6f61e50320720cf0313fe65d4c039334ed6c0cb7f37b0

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.

Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Formbook

Executable exe 272872a41e4e0ae720f6f61e50320720cf0313fe65d4c039334ed6c0cb7f37b0

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/387568/

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