MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a3bd048ef9380fada8db051e46d9ef46c8fb8d5c4780474f1667962dd682147a. 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: 9


Intelligence 9 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a3bd048ef9380fada8db051e46d9ef46c8fb8d5c4780474f1667962dd682147a
SHA3-384 hash: 934b110d9fc1f03122ea8101d56e38ca55b99ddc5a4abedf068f4c37582f40ebdc465e357a4d2ae981cb3dfec15fa302
SHA1 hash: b213f9d3b44ce0a603c842bb7ac290742f2582cb
MD5 hash: ae9eded43ddbdd67f0e47a4e7e3c4732
humanhash: winter-hot-crazy-virginia
File name:Purchase__Pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'688'064 bytes
First seen:2021-06-01 06:36:20 UTC
Last seen:2021-06-01 08:08:37 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:XbrrCGKh9zNHxQrfV7ZIyU7Q6i8Jv0C8FaOK8PeA+DeXrqTNFI:uGcNH6jBOySQ0Jv0Je8v+DjNFI
Threatray 29 similar samples on MalwareBazaar
TLSH AD75CFAD3250B6DFC917CE76CA949C64EA61B4B7970FD213A06311DC9A4E69BCF100F2
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
135
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Purchase__Pdf.exe
Verdict:
Malicious activity
Analysis date:
2021-06-01 07:08:35 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/aef092b4-90cb-45f0-bf52-83154a96f54b

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/163694/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.37010883.2910.22457.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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.
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/795014
Signature
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found malware configuration
Initial sample is a PE file and has a suspicious name
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
Sigma detected: Suspect Svchost Activity
Sigma detected: Suspicious Process Start Without DLL
Sigma detected: Suspicious Svchost Process
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 427413 Sample: Purchase__Pdf.exe Startdate: 01/06/2021 Architecture: WINDOWS Score: 100 52 www.dalalh.info 2->52 54 dalalh.info 2->54 64 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->64 66 Found malware configuration 2->66 68 Malicious sample detected (through community Yara rule) 2->68 70 13 other signatures 2->70 12 Purchase__Pdf.exe 7 2->12         started        signatures3 process4 file5 44 C:\Users\user\AppData\...\KbilzHVywDW.exe, PE32 12->44 dropped 46 C:\Users\...\KbilzHVywDW.exe:Zone.Identifier, ASCII 12->46 dropped 48 C:\Users\user\AppData\Local\...\tmp1CA4.tmp, XML 12->48 dropped 50 C:\Users\user\...\Purchase__Pdf.exe.log, ASCII 12->50 dropped 86 Detected unpacking (changes PE section rights) 12->86 88 Detected unpacking (overwrites its own PE header) 12->88 90 Uses schtasks.exe or at.exe to add and modify task schedules 12->90 92 3 other signatures 12->92 16 RegSvcs.exe 6 12->16         started        20 schtasks.exe 1 12->20         started        signatures6 process7 file8 42 C:\Users\user\AppData\Roaming\suSwVklf.exe, PE32 16->42 dropped 60 Tries to detect virtualization through RDTSC time measurements 16->60 62 Injects a PE file into a foreign processes 16->62 22 RegSvcs.exe 16->22         started        25 schtasks.exe 1 16->25         started        27 conhost.exe 20->27         started        signatures9 process10 signatures11 78 Modifies the context of a thread in another process (thread injection) 22->78 80 Maps a DLL or memory area into another process 22->80 82 Sample uses process hollowing technique 22->82 84 Queues an APC in another process (thread injection) 22->84 29 explorer.exe 22->29 injected 33 conhost.exe 25->33         started        process12 dnsIp13 56 www.angelinacamwhalen.site 198.54.117.244, 49749, 80 NAMECHEAP-NETUS United States 29->56 58 www.lifen.club 8.210.198.10, 49750, 80 CNNIC-ALIBABA-US-NET-APAlibabaUSTechnologyCoLtdC Singapore 29->58 94 System process connects to network (likely due to code injection or exploit) 29->94 35 svchost.exe 29->35         started        signatures14 process15 signatures16 72 Modifies the context of a thread in another process (thread injection) 35->72 74 Maps a DLL or memory area into another process 35->74 76 Tries to detect virtualization through RDTSC time measurements 35->76 38 cmd.exe 1 35->38         started        process17 process18 40 conhost.exe 38->40         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a3bd048ef9380fada8db051e46d9ef46c8fb8d5c4780474f1667962dd682147a/
Threat name:
ByteCode-MSIL.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2021-05-31 16:43:39 UTC
AV detection:
15 of 44 (34.09%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uo6qjdxzhah23kg3aupenwppi3epxdk4i6aeotywm6lc3vuccr5a._file
Verdict:
unknown
Similar samples:
0726eef18a27b6e019baa87d12d004efc1e0fb42169acedb5a56fee6d39d8946
Formbook
1cf2c4b90a84ce31c99a4b74ed546b17b2332a868f75293f237ea0bb0a5835c4
Formbook
4427dbd6209079235487c24f4843a10d582fe6264fae0d107091e81133a8960c
Formbook
5501a072a478f1b6c6045154d4b3e5c102c5da98041f503d80b8a2b50bb6b85b
Formbook
5ef4f1d59492644372e4de91586798adb788432987848730694be8db0f968008
Formbook
69b433882a0be8350987589222a1b677cb948d1efea4e523b878a778bad33d4a
Formbook
b5d8a24e97905a0333243481930777008b654c43dd04bbf995d75334183c8070
Formbook
c4bd358aa9e15948a2713549f109f65124e5911aefa709e921da094aac16a163
Formbook
d7650abf3c2d1c856f50a28c3d863893909689181f195d70277f7f1d568a6ef3
Formbook
f3bb0f029466577eb6ae2f65253d518335a8d4b7862454445d32a8339499614d
Formbook
+ 19 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://tria.ge/reports/210601-q762lamzxs/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
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/a3bd048ef9380fada8db051e46d9ef46c8fb8d5c4780474f1667962dd682147a

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.

Cape
Cape
https://www.capesandbox.com/analysis/163694/

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