MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 11c40629a9ccfc2ce41074f2fd8c41829ee678e04a69b492b0dee6d9916b8aef. 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: 14


Intelligence 14 IOCs YARA 3 File information Comments
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SHA256 hash: 11c40629a9ccfc2ce41074f2fd8c41829ee678e04a69b492b0dee6d9916b8aef
SHA3-384 hash: eb1ed1244270fea7512dfab76723b85a8bdf7d3d47ce81f4c1714ee8c647c753da03da55f06c372bae53516b888b2223
SHA1 hash: 090dc2dce6b3afc8d96efc1ab82a95e56932858f
MD5 hash: 56c2f26656c1353e0ed3479d7970a17c
humanhash: freddie-saturn-uncle-solar
File name:ENQUIRYSMRT119862021-ERW PIPES.pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:493'568 bytes
First seen:2021-09-14 02:55:57 UTC
Last seen:2021-09-15 06:36:10 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:6Jk4DbF53e0IUFLBm6iYj0OB4vV2MkTeRz41kNFMAHfz:g1DiYLB4vcIVbNB
Threatray 9'216 similar samples on MalwareBazaar
TLSH T1D1A4AD242DFE5129F1B3AFB91AE475868A6FF7333616E45D148103874723A80DED173A
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence

File Origin
# of uploads :
13
# of downloads :
175
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ENQUIRYSMRT119862021-ERW PIPES.pdf.exe
Verdict:
Malicious activity
Analysis date:
2021-09-14 02:58:00 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/acd2a578-4f82-480b-9193-69515ea02ca5

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/187617/
Detection(s):
SecuriteInfo.com.Artemis56C2F26656C1.25939.23764.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/61750870a9d585e6d5370b83/reports/9d53531a-37c3-45e7-88f7-3a3897d8686e/overview
Malware family:
Formbook
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e52d51da-d66c-4a52-99ca-a2cec88af20b
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/850324
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
C2 URLs / IPs found in malware configuration
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 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
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
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 an obfuscated file name to hide its real file extension (double extension)
Uses ipconfig to lookup or modify the Windows network settings
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 482750 Sample: ENQUIRYSMRT119862021-ERW PI... Startdate: 14/09/2021 Architecture: WINDOWS Score: 100 32 www.clydeccox.com 2->32 34 clydeccox.com 2->34 44 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->44 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 11 other signatures 2->50 11 ENQUIRYSMRT119862021-ERW PIPES.pdf.exe 3 2->11         started        signatures3 process4 file5 30 ENQUIRYSMRT1198620...W PIPES.pdf.exe.log, ASCII 11->30 dropped 62 Writes to foreign memory regions 11->62 64 Injects a PE file into a foreign processes 11->64 15 RegSvcs.exe 11->15         started        signatures6 process7 signatures8 66 Modifies the context of a thread in another process (thread injection) 15->66 68 Maps a DLL or memory area into another process 15->68 70 Sample uses process hollowing technique 15->70 72 2 other signatures 15->72 18 explorer.exe 15->18 injected process9 dnsIp10 36 www.arcetude.com 91.195.240.13, 49821, 80 SEDO-ASDE Germany 18->36 38 www.acacto.com 209.99.40.222, 49829, 80 CONFLUENCE-NETWORK-INCVG United States 18->38 40 6 other IPs or domains 18->40 52 System process connects to network (likely due to code injection or exploit) 18->52 54 Uses ipconfig to lookup or modify the Windows network settings 18->54 22 ipconfig.exe 12 18->22         started        signatures11 process12 dnsIp13 42 www.taydygk.com 22->42 56 Modifies the context of a thread in another process (thread injection) 22->56 58 Maps a DLL or memory area into another process 22->58 60 Tries to detect virtualization through RDTSC time measurements 22->60 26 cmd.exe 1 22->26         started        signatures14 process15 process16 28 conhost.exe 26->28         started       
Detection:
xloader
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Link:
https://mwdb.cert.pl/sample/11c40629a9ccfc2ce41074f2fd8c41829ee678e04a69b492b0dee6d9916b8aef/
Threat name:
ByteCode-MSIL.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2021-09-14 02:26:51 UTC
AV detection:
8 of 44 (18.18%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=chcamknjzt6czzaqotzp3dcbqkpom6hajju3jevq33tntellrlxq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
06e6b50f2a956f1fff285d4717f7dc33af56f8f08255f744cbd0eba9b0fe82e9
Formbook
2d7aac32ea8a8329262ead70ec2f030c1a4061e4edafdf03e605bb9ce606836e
Formbook
3a4677dc6f14f38983af15458b11d5f92e71dea8d5cd0e5b263c50d211a72621
Formbook
4ca6a48021d7d442d9311b158691b1f219576d7d37a99f64741463659903ad4c
Formbook
6c60876d91087cbd176ff5419577f2b3315b2d3a9d9c6d11a06b95ea10d5311f
Formbook
77d33d0e8b91781213a971ebc2e6abe4191bf2c28ff0ede19b07db092f590dff
Formbook
e59a1d022c6c4f0cc7d23689004e65ea7f1f940adef98cf891a008dd9d7f66d9
Formbook
+ 9'206 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:ntem loader rat suricata
Link:
https://tria.ge/reports/210914-de2rwahgbk/
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
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.itknowswhatscaresyou.com/ntem/
Unpacked files
SH256 hash:
def7ddc184fbbc20c4bb45be51d4720d62536d5f1a226bdf4bffb56340908e40
MD5 hash:
b8cfd4bd49dd1ad65e02e89fb821ee49
SHA1 hash:
26c84a6823386158f74e80611868d826a69bf058
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/ed9c87c3-cecb-4dd6-83e9-10c6ea305208/
SH256 hash:
e76c19060c707d4c7ef50c3a4e835dfed447dee59027ed8b5802255254dbc933
MD5 hash:
65ef1ee1e3e397c4a5e52dcb944380ba
SHA1 hash:
d6274145b4afe0b2f07e5bf651e8a04ddea3df3e
Link:
https://www.unpac.me/results/ed9c87c3-cecb-4dd6-83e9-10c6ea305208/
SH256 hash:
ad4a7895d529d5164302bb88596964ab42ff125bf0f5544418c80b6d438cb587
MD5 hash:
43ababb6b0a02907aad43084f12b10d9
SHA1 hash:
b60ba705891d5a666d64300181b475a46714ffa8
Link:
https://www.unpac.me/results/ed9c87c3-cecb-4dd6-83e9-10c6ea305208/
SH256 hash:
11c40629a9ccfc2ce41074f2fd8c41829ee678e04a69b492b0dee6d9916b8aef
MD5 hash:
56c2f26656c1353e0ed3479d7970a17c
SHA1 hash:
090dc2dce6b3afc8d96efc1ab82a95e56932858f
Link:
https://www.unpac.me/results/ed9c87c3-cecb-4dd6-83e9-10c6ea305208/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/11c40629a9cc/report/overview.html
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/11c40629a9ccfc2ce41074f2fd8c41829ee678e04a69b492b0dee6d9916b8aef

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:pe_imphash
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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 11c40629a9ccfc2ce41074f2fd8c41829ee678e04a69b492b0dee6d9916b8aef

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/187617/

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