MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2a3c5d424e042d82f295aba4197bc052355cbea30b0fa9c419a1cd7fb6c2bc31. 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: 10


Intelligence 10 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2a3c5d424e042d82f295aba4197bc052355cbea30b0fa9c419a1cd7fb6c2bc31
SHA3-384 hash: e964e7a8118d3cbb9c851c7682c8824a9913435e195c280ffb78118c1169d646771386a3bc2647c2a0ac599b1427c1f1
SHA1 hash: a178460c272800ac7692564661ccdf9f3483e615
MD5 hash: bf743b8e013bea9379fa79b76aeaaf99
humanhash: vermont-neptune-butter-whiskey
File name:Order Signed PEARLTECH contract and PO.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'222'144 bytes
First seen:2021-07-29 10:39:08 UTC
Last seen:2021-07-29 14:08:15 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'602 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:BgS/d3GKzksbksjVHjV/17sBrn8JUlP1fsy8jhMN6ZN7:AKVNZY78JIuCN6ZN7
Threatray 7'261 similar samples on MalwareBazaar
TLSH T16945DF1D43888BABEC340675868D3F501AF0193E7AB2D778BC097193B690BD9E573639
dhash icon ecf2b212dbc8cccb (4 x AgentTesla, 2 x Formbook, 1 x SnakeKeylogger)
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
6
# of downloads :
100
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Order Signed PEARLTECH contract and PO.exe
Verdict:
Malicious activity
Analysis date:
2021-07-29 10:41:10 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/84752454-1a8b-4f1d-a588-bda230ae538d

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/174978/
Detection(s):
SecuriteInfo.com.Trojan.Win32.Save.a.29445.31929.UNOFFICIAL
Create hunting rule

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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b71ac32d-888b-42dd-9be0-7182bb6191b0
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/823739
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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 virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 456150 Sample: Order Signed PEARLTECH cont... Startdate: 29/07/2021 Architecture: WINDOWS Score: 100 32 www.spenglerwetlandpreserve.com 2->32 34 spenglerwetlandpreserve.com 2->34 42 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->42 44 Found malware configuration 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 6 other signatures 2->48 11 Order Signed PEARLTECH contract and PO.exe 3 2->11         started        signatures3 process4 file5 30 Order Signed PEARL...ract and PO.exe.log, ASCII 11->30 dropped 14 Order Signed PEARLTECH contract and PO.exe 11->14         started        17 Order Signed PEARLTECH contract and PO.exe 11->17         started        process6 signatures7 58 Modifies the context of a thread in another process (thread injection) 14->58 60 Maps a DLL or memory area into another process 14->60 62 Sample uses process hollowing technique 14->62 64 Queues an APC in another process (thread injection) 14->64 19 explorer.exe 14->19 injected process8 dnsIp9 36 www.xn--939am40byoeizq.com 121.254.171.115, 49769, 80 LGDACOMLGDACOMCorporationKR Korea Republic of 19->36 38 shops.myshopify.com 23.227.38.74, 49767, 80 CLOUDFLARENETUS Canada 19->38 40 9 other IPs or domains 19->40 50 System process connects to network (likely due to code injection or exploit) 19->50 23 WWAHost.exe 19->23         started        signatures10 process11 signatures12 52 Modifies the context of a thread in another process (thread injection) 23->52 54 Maps a DLL or memory area into another process 23->54 56 Tries to detect virtualization through RDTSC time measurements 23->56 26 cmd.exe 1 23->26         started        process13 process14 28 conhost.exe 26->28         started       
Gathering data
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2021-07-29 06:57:31 UTC
AV detection:
16 of 28 (57.14%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fi6f2qsoaqwyf4uvvosbs66aki2vzpvdbmh2trazuhgx7nwcxqyq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
214910524a528bab8dae4a704169e20d9f2f92444df6e6a65d19decafd9f69b0
Formbook
23e1c48906d47f98ad9d0445f924bd1853341cc61810e70ef267ef1563969647
Formbook
5319b55161ffe72376bf39ec273f60d73d998d8f466022deab056d8cccab2ddc
Formbook
5bcba2a09d8758ca07490dfcd3859a64b3a0092ed7873a707e73346eefd4235e
Formbook
b55552391ee123f26e577b412c0df78bd0a59644ec510d1e7e708feff12a2abb
Formbook
bd6455c559a9308054622aa9a30388d0ac83dd09af4ce4d1e9a715e2f1baeb53
Formbook
c75c953e098f6999fd4a1674f4fd325d538502aead639872dec4cb89ca3ffee9
Formbook
+ 7'251 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader loader rat suricata
Link:
https://tria.ge/reports/210729-k657q7ccf2/
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 UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
CustAttr .NET packer
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.jiltedowl.com/um8e/
Unpacked files
SH256 hash:
40f7d71281aa5b1d292c4421619cb49f87f637579c8b2ec75db8f218a3d514fa
MD5 hash:
dcbdccf32594509ad091c0fe2703f145
SHA1 hash:
92cc96e5cf1dd12ff42c137ac38e26cbea8e91ad
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/664bf14b-ff53-4936-b323-2ef10f80a918/
Parent samples :
214910524a528bab8dae4a704169e20d9f2f92444df6e6a65d19decafd9f69b0
c75c953e098f6999fd4a1674f4fd325d538502aead639872dec4cb89ca3ffee9
23e1c48906d47f98ad9d0445f924bd1853341cc61810e70ef267ef1563969647
5319b55161ffe72376bf39ec273f60d73d998d8f466022deab056d8cccab2ddc
2a3c5d424e042d82f295aba4197bc052355cbea30b0fa9c419a1cd7fb6c2bc31
0c6823e63b28799c28145805bc2c143c67a52698e4af497070b9da8439d6b327
e7e775fb123a80ae7c57fa23883b060b3b333c4831d5272015c4751736bf2626
SH256 hash:
9060e62b8bb1e39e64b7d69bd38b36516e2c11c5605ce87402133099c5ef5f4a
MD5 hash:
05db7c0e1cffeaf4af61119a8e736cb6
SHA1 hash:
57a2805813c5ccfa5b1a3e44d1b02a7cf9844ff3
Link:
https://www.unpac.me/results/664bf14b-ff53-4936-b323-2ef10f80a918/
SH256 hash:
97d2fa1d01b2f9a2199896e05e0cf60c14a9f41ef2d72e15fbb862b7afa08438
MD5 hash:
68463851c0e6fe7a254c99fae763d454
SHA1 hash:
4587a5371d88c296a0184fe47ee0c5245b187127
Link:
https://www.unpac.me/results/664bf14b-ff53-4936-b323-2ef10f80a918/
SH256 hash:
2a3c5d424e042d82f295aba4197bc052355cbea30b0fa9c419a1cd7fb6c2bc31
MD5 hash:
bf743b8e013bea9379fa79b76aeaaf99
SHA1 hash:
a178460c272800ac7692564661ccdf9f3483e615
Link:
https://www.unpac.me/results/664bf14b-ff53-4936-b323-2ef10f80a918/
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/2a3c5d424e042d82f295aba4197bc052355cbea30b0fa9c419a1cd7fb6c2bc31

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 2a3c5d424e042d82f295aba4197bc052355cbea30b0fa9c419a1cd7fb6c2bc31

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/174978/

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