MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b1d23d23f4cb253299dde04c81c51a3e375fc60c45965af013aefe47524202d8. 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 1 File information Comments
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SHA256 hash: b1d23d23f4cb253299dde04c81c51a3e375fc60c45965af013aefe47524202d8
SHA3-384 hash: 0524c8565395f275454d930e4adc19cb45364a4b486c9a9c0516dd76287f666f21c59305dcd99b723871a2b1c225a107
SHA1 hash: 30e04afd5e14970d5f6747b50b4118651780dfda
MD5 hash: 32e3f7ce151a04e34039659ceaa982ef
humanhash: golf-mexico-tennessee-solar
File name:NEW_PO_QUOTE_88987_PDF.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:376'832 bytes
First seen:2021-08-26 01:16:35 UTC
Last seen:2021-09-04 05:59:32 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash ef471c0edf1877cd5a881a6a8bf647b9 (74 x Formbook, 33 x Loki, 29 x Loda)
ssdeep 6144:44XrK9PX7Fp6Gh2wWRGl0EDDf1PisZQ5rAGQwg1QtP1f4paaYlsdcaMJEdbI0Pzh:nXe9PPlowWX0t6mOQwg1Qd15CcYk0Wex
Threatray 6'190 similar samples on MalwareBazaar
TLSH T16B84124548C4CCA6E71AB374D0B3CE9819757832CCD56B689758FA2EB870343B853E6B
dhash icon aae2f3e38383b629 (2'034 x Formbook, 1'183 x CredentialFlusher, 666 x AgentTesla)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
306
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
NEW_PO_QUOTE_88987_PDF.exe
Verdict:
Suspicious activity
Analysis date:
2021-08-26 01:17:38 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/1c6cd766-1d67-4e5f-913b-98d954e1bd3a

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/182448/
Detection(s):
PUA.Win.Packer.Upolyx-12
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Creating a file in the %temp% directory
Unauthorized injection to a recently created process
Launching a process
Launching cmd.exe command interpreter
Sending a UDP request
Unauthorized injection to a system process
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/cb83e35d-63db-4238-8fc9-c771b19cb58a
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/839414
Signature
Antivirus detection for URL or domain
AutoIt script contains suspicious strings
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
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
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: 471845 Sample: NEW_PO_QUOTE_88987_PDF.exe Startdate: 26/08/2021 Architecture: WINDOWS Score: 100 30 www.hnbainianluwei.com 2->30 42 Found malware configuration 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 Antivirus detection for URL or domain 2->46 48 5 other signatures 2->48 11 NEW_PO_QUOTE_88987_PDF.exe 15 2->11         started        signatures3 process4 dnsIp5 40 a.uguu.se 144.76.201.136, 443, 49698 HETZNER-ASDE Germany 11->40 58 Maps a DLL or memory area into another process 11->58 60 Tries to detect virtualization through RDTSC time measurements 11->60 15 NEW_PO_QUOTE_88987_PDF.exe 11->15         started        signatures6 process7 signatures8 62 Modifies the context of a thread in another process (thread injection) 15->62 64 Maps a DLL or memory area into another process 15->64 66 Sample uses process hollowing technique 15->66 68 Queues an APC in another process (thread injection) 15->68 18 explorer.exe 15->18 injected process9 dnsIp10 32 www.itbling.com 64.190.62.111, 49717, 80 NBS11696US United States 18->32 34 www.myrandr.com 212.32.237.101, 49730, 80 LEASEWEB-NL-AMS-01NetherlandsNL Netherlands 18->34 36 8 other IPs or domains 18->36 50 System process connects to network (likely due to code injection or exploit) 18->50 22 help.exe 12 18->22         started        signatures11 process12 dnsIp13 38 www.dgy-hec.com 22->38 52 Modifies the context of a thread in another process (thread injection) 22->52 54 Maps a DLL or memory area into another process 22->54 56 Tries to detect virtualization through RDTSC time measurements 22->56 26 cmd.exe 1 22->26         started        signatures14 process15 process16 28 conhost.exe 26->28         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b1d23d23f4cb253299dde04c81c51a3e375fc60c45965af013aefe47524202d8/
Threat name:
Win32.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2021-08-25 23:52:53 UTC
AV detection:
14 of 46 (30.43%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=whjd2i7uzmstfgo54bgidri2hy3v7rqmiwlfv4atv37eouscalma._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
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Formbook
1dc173b24c0b503a394568e4a1fff7887dd739cc287e529f25b173dbfea4010b
Formbook
3f9a8485314c2b666caf0a1a729a96cb974780f331ea9baa0c03e7f02035cf05
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70e7c5966ac86d48e0519f9b2b34703d2915b603836f4de0be2a2badddd258e7
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71335267a0a48bbcf678e354b421445d3db926ec5dd9b40c2a004cebb9b166f0
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b5225e4f19b8f43d98a52808829087a9019cf247fb6a3f6acd6ae30eccb9e8b1
Formbook
cc0f2348e1c6b1cabd55e7770566e41cf7ce5978f0028d8c0f66eb55ec26cc6b
Formbook
+ 6'180 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:snaa loader rat upx
Link:
https://tria.ge/reports/210826-wk4p6lbzfe/
Behaviour
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.xeotochevrolet.com/snaa/
Unpacked files
SH256 hash:
3992400065fbad0d77f4f53a52e7b13364e20089c2ae32e77eb69fc8f6d9a77e
MD5 hash:
8cb5cc0c8cb5006c513c51091a565a85
SHA1 hash:
f9d5fecdbea627f4ec34a3703832d4b34d5cc31e
Link:
https://www.unpac.me/results/b2bc0e8b-94c5-467f-9aa6-17d566ad23b6/
SH256 hash:
b1d23d23f4cb253299dde04c81c51a3e375fc60c45965af013aefe47524202d8
MD5 hash:
32e3f7ce151a04e34039659ceaa982ef
SHA1 hash:
30e04afd5e14970d5f6747b50b4118651780dfda
Link:
https://www.unpac.me/results/b2bc0e8b-94c5-467f-9aa6-17d566ad23b6/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.85
Link:
https://yomi.yoroi.company/submissions/b1d23d23f4cb253299dde04c81c51a3e375fc60c45965af013aefe47524202d8

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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time

File information

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

Malspam

Formbook

Executable exe b1d23d23f4cb253299dde04c81c51a3e375fc60c45965af013aefe47524202d8

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/182448/

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