MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 27572043b01a99f3901af4bd40faf03cd04e722e3fb7ba866ccdb3b2d3fabb11. 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: 27572043b01a99f3901af4bd40faf03cd04e722e3fb7ba866ccdb3b2d3fabb11
SHA3-384 hash: 9b3c40a743e4ad0edbff6ab3f09d3ba99ad84ba4724fa2009c6e217f91576a003ec33f4cdd5e9c8b57d187249711b3c7
SHA1 hash: 61dcd8a4bd4641a7cc4800b5aea9ecaf7c6609bf
MD5 hash: 3be1fa609b4f6efa9d30b5c75810f863
humanhash: stairway-quebec-lamp-cat
File name:klSsrzxwsbxeJQh.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:838'144 bytes
First seen:2021-07-27 22:20:09 UTC
Last seen:2021-07-27 22:52:52 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:5comEX7qK3Juo7GQxlZCtzZgDPMpnonR94cwrapd+TFsl9wTcT2koktrTodUsWta:6omEXlkGTMyR9X9rS47mo5oFCEkv
Threatray 6'854 similar samples on MalwareBazaar
TLSH T1AE054BE93224735FF697C37DC4B44C5CA9E070AAC30A8747F537819AAA4C987FE110A6
Reporter James_inthe_box
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
110
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
klSsrzxwsbxeJQh.exe
Verdict:
Malicious activity
Analysis date:
2021-07-27 22:21:36 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/0b865b16-d717-45e5-9ceb-3df5d712aa03

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/174536/
Detection(s):
SecuriteInfo.com.Trojan.Win32.Save.a.18731.26249.UNOFFICIAL
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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/16ebebdc-b2cc-4285-a023-ca6cd47ef331
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/822789
Signature
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)
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: 455201 Sample: klSsrzxwsbxeJQh.exe Startdate: 28/07/2021 Architecture: WINDOWS Score: 100 29 www.dentistinpimplesaudagar.com 2->29 45 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->45 47 Found malware configuration 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 4 other signatures 2->51 10 klSsrzxwsbxeJQh.exe 3 2->10         started        signatures3 process4 file5 27 C:\Users\user\...\klSsrzxwsbxeJQh.exe.log, ASCII 10->27 dropped 53 Tries to detect virtualization through RDTSC time measurements 10->53 55 Injects a PE file into a foreign processes 10->55 14 klSsrzxwsbxeJQh.exe 10->14         started        signatures6 process7 signatures8 57 Modifies the context of a thread in another process (thread injection) 14->57 59 Maps a DLL or memory area into another process 14->59 61 Sample uses process hollowing technique 14->61 63 Queues an APC in another process (thread injection) 14->63 17 WWAHost.exe 14->17         started        20 explorer.exe 14->20 injected process9 dnsIp10 37 Modifies the context of a thread in another process (thread injection) 17->37 39 Maps a DLL or memory area into another process 17->39 41 Tries to detect virtualization through RDTSC time measurements 17->41 23 cmd.exe 1 17->23         started        31 shops.myshopify.com 23.227.38.74, 49779, 49781, 80 CLOUDFLARENETUS Canada 20->31 33 revolutionofwork.com 184.168.131.241, 49780, 80 AS-26496-GO-DADDY-COM-LLCUS United States 20->33 35 9 other IPs or domains 20->35 43 System process connects to network (likely due to code injection or exploit) 20->43 signatures11 process12 process13 25 conhost.exe 23->25         started       
Gathering data
Threat name:
ByteCode-MSIL.Spyware.Noon
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Status:
Malicious
First seen:
2021-07-27 22:19:59 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
21 of 46 (45.65%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=e5lsaq5qdkm7hea26s6ub6xqhtie44roh633vbtmzwz3fu72xmiq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
03735650255866b1c2592bcb4567cbcb2b9d23eea5430d2e7d7c6315abadb5ad
Formbook
23cc105fad71d71dced93e63fdbab55354b4dc9700fb0de855acedaf5723ed9c
Formbook
3cec9bd714745b020366af9537184c619794ef4dee36c99093f53b243c97dcc1
Formbook
8241caa4d6c5a09290864492d19dee143f0f80074d370135c0f91bad01c16ee3
Formbook
87fb0ca5b0ebcc0dc80aeca8065b2e2bf1ec14cade124316227646bc59ad237c
Formbook
8bc53adb417402cf954d8018bc35c0f4f853d5a2e3471c4de98ca8e1fa8fa1e9
Formbook
b21e4b93bd73868c7dcd13384c55c8c9b562abd7d858497a45f8a804ff639866
Formbook
d337cba627486e1f99e4a96407591609d888c6656a4010b88047e7cd1ab19482
Formbook
e1fee7ee20f6d3bd6e913baeae737c558014454223d552c125c3f963e7c1a843
Formbook
ebe1f420ea3fcef5b426cf6458d23984e12c4ceb5983571699f60aaa963b159a
Formbook
+ 6'844 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/210727-4c1hgwxjpe/
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.arogyanlife.com/b82a/
Unpacked files
SH256 hash:
933308d3f41a936d57f991a388ba29276168f7aef3a9ac455a7a2b4de7eb74bc
MD5 hash:
adb006a2cafa4140d7c377e775d28486
SHA1 hash:
ffee58d28309fc77522bac0bbde01d1c60e4f11f
Detections:
win_formbook_g0
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win_formbook_auto
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Link:
https://www.unpac.me/results/6cf00769-25bb-4cde-bad8-4e3986de0ec6/
Parent samples :
8bc53adb417402cf954d8018bc35c0f4f853d5a2e3471c4de98ca8e1fa8fa1e9
27572043b01a99f3901af4bd40faf03cd04e722e3fb7ba866ccdb3b2d3fabb11
SH256 hash:
acfa3e6a2eca2a0a177670c890fdb21bfce9bb7b9d03606479a299877d4b4a02
MD5 hash:
feef6a7f8175ca9d2d427eef3d3eb8be
SHA1 hash:
a2b3f212413fe27a90ac2bf96a58fc1fa85f39a6
Link:
https://www.unpac.me/results/6cf00769-25bb-4cde-bad8-4e3986de0ec6/
SH256 hash:
4d28bdefc95a0e0a5552207fdd4fb88f7f3251a2791b3a587e466ec887b40c40
MD5 hash:
0e31d29e16d1b4602aa215c8fca3e03c
SHA1 hash:
6264fe4e1e103872c65eed409613b63ae896816e
Link:
https://www.unpac.me/results/6cf00769-25bb-4cde-bad8-4e3986de0ec6/
SH256 hash:
97d2fa1d01b2f9a2199896e05e0cf60c14a9f41ef2d72e15fbb862b7afa08438
MD5 hash:
68463851c0e6fe7a254c99fae763d454
SHA1 hash:
4587a5371d88c296a0184fe47ee0c5245b187127
Link:
https://www.unpac.me/results/6cf00769-25bb-4cde-bad8-4e3986de0ec6/
SH256 hash:
27572043b01a99f3901af4bd40faf03cd04e722e3fb7ba866ccdb3b2d3fabb11
MD5 hash:
3be1fa609b4f6efa9d30b5c75810f863
SHA1 hash:
61dcd8a4bd4641a7cc4800b5aea9ecaf7c6609bf
Link:
https://www.unpac.me/results/6cf00769-25bb-4cde-bad8-4e3986de0ec6/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.81
Link:
https://yomi.yoroi.company/submissions/27572043b01a99f3901af4bd40faf03cd04e722e3fb7ba866ccdb3b2d3fabb11

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
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Rule name:Skystars_Malware_Imphash
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Author:Skystars LightDefender
Description:imphash

File information

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

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/174536/
  
URLhaus
https://urlhaus.abuse.ch/url/1485945/

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