MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7c27342f6a474daabf28ddcdee497ac8495ce0ce6f84410f11dfb48766073c42. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7c27342f6a474daabf28ddcdee497ac8495ce0ce6f84410f11dfb48766073c42
SHA3-384 hash: 8622405ecb794bf2872280c6afea7042cf10941caf6f69f0bfe74ba1bfc5f7e286e15100affaf41a55d4432d6866bb44
SHA1 hash: b36277f8957d1d2324dcf6524ed74430712e0f7c
MD5 hash: f924575d179731824c79da5e596b3201
humanhash: mike-montana-north-twelve
File name:HALKBANK.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:562'688 bytes
First seen:2022-05-23 16:57:11 UTC
Last seen:2022-05-23 17:58:05 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'473 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:D+TIbh69NYOluDQ431tz9joiFE03GwW4ck:6Tc8PYORwtzyTqGwXL
TLSH T1F3C423116EF9D73DD95BA6BA3C18824C72B5438BF032C1738905A26D236B784E7A3747
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter abuse_ch
Tags:exe FormBook geo Halkbank TUR

Intelligence

File Origin
# of uploads :
2
# of downloads :
312
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
HALKBANK.exe
Verdict:
Malicious activity
Analysis date:
2022-05-23 19:06:12 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/0486d6cb-cd45-44ea-a8c7-7acc7a7772c8

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/273821/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Launching a process
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/628bbd0b370bb1455cc10a16/reports/1039df05-59b1-4523-912a-8de68c77e770/overview
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/c7a407d1-056f-4620-918c-45d713407a1b
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1000053
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 632551 Sample: HALKBANK.exe Startdate: 23/05/2022 Architecture: WINDOWS Score: 100 33 www.boostexchanger.store 2->33 35 Found malware configuration 2->35 37 Malicious sample detected (through community Yara rule) 2->37 39 Antivirus detection for URL or domain 2->39 41 8 other signatures 2->41 11 HALKBANK.exe 3 2->11         started        signatures3 process4 file5 31 C:\Users\user\AppData\...\HALKBANK.exe.log, ASCII 11->31 dropped 51 Tries to detect virtualization through RDTSC time measurements 11->51 53 Injects a PE file into a foreign processes 11->53 15 HALKBANK.exe 11->15         started        18 HALKBANK.exe 11->18         started        signatures6 process7 signatures8 55 Modifies the context of a thread in another process (thread injection) 15->55 57 Maps a DLL or memory area into another process 15->57 59 Sample uses process hollowing technique 15->59 61 Queues an APC in another process (thread injection) 15->61 20 explorer.exe 15->20 injected process9 process10 22 colorcpl.exe 20->22         started        25 autoconv.exe 20->25         started        signatures11 43 Self deletion via cmd delete 22->43 45 Modifies the context of a thread in another process (thread injection) 22->45 47 Maps a DLL or memory area into another process 22->47 49 Tries to detect virtualization through RDTSC time measurements 22->49 27 cmd.exe 1 22->27         started        process12 process13 29 conhost.exe 27->29         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/7c27342f6a474daabf28ddcdee497ac8495ce0ce6f84410f11dfb48766073c42/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-05-23 16:58:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
17 of 26 (65.38%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=pqttil3ki5g2vpzi3xg64sl2zbevzygon6cecdyr362iozqhhrba._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:e2e9 rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220523-vgtbysfha7/
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
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
5b01f027a64f907e5edcfc4ef22a4ae21dc30e773a589666fbb8a2f390ff1d21
MD5 hash:
ae141b03315976e3091a050af64b1bf7
SHA1 hash:
3f795dc025e5ee92c40ea0b124b8eb09b7d390be
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/eb519a03-899f-46ce-8ab6-210822a64ede/
Parent samples :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 hash:
fdd10fb67e6276b3d848c92d4686f56b2ecbea1d629795a241ca6306a2f62d55
MD5 hash:
f20fd214bbda1a459a3eb415eec86017
SHA1 hash:
c658f61e4f308a69a4509649439814166c655e84
Link:
https://www.unpac.me/results/eb519a03-899f-46ce-8ab6-210822a64ede/
SH256 hash:
3ccf62991ac8ae2d178e665d6718c974ebe45e4c3864c274ec8284f7900139d1
MD5 hash:
73cdcd73736f225bfe54789b52b1e904
SHA1 hash:
c65832ca96467c761ec6b2f31a8c83471e97fb45
Link:
https://www.unpac.me/results/eb519a03-899f-46ce-8ab6-210822a64ede/
SH256 hash:
b5994e6dd21c8582fb5641485ed90d68ef4c179f16a8cb2edf6336144f850393
MD5 hash:
9d97fb55f2345957d1c8f4c483836a31
SHA1 hash:
8f617ae12d9ab696f008d922f397ac631325ceb5
Link:
https://www.unpac.me/results/eb519a03-899f-46ce-8ab6-210822a64ede/
SH256 hash:
18ecdde73441e45b9ffad4603e45da4f3249bb88867efe41171eedec669e514f
MD5 hash:
4394bc7e365d0493a38f724beba94806
SHA1 hash:
03f63223d4279108b801e06688541e539378b80e
Link:
https://www.unpac.me/results/eb519a03-899f-46ce-8ab6-210822a64ede/
SH256 hash:
7c27342f6a474daabf28ddcdee497ac8495ce0ce6f84410f11dfb48766073c42
MD5 hash:
f924575d179731824c79da5e596b3201
SHA1 hash:
b36277f8957d1d2324dcf6524ed74430712e0f7c
Link:
https://www.unpac.me/results/eb519a03-899f-46ce-8ab6-210822a64ede/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/7c27342f6a47/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/7c27342f6a474daabf28ddcdee497ac8495ce0ce6f84410f11dfb48766073c42

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: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 7c27342f6a474daabf28ddcdee497ac8495ce0ce6f84410f11dfb48766073c42

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/273821/

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