MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b9b0ce10496a723998fd40bd2662d231e6135c465000d319b708736570d0bd09. 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: 13


Intelligence 13 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b9b0ce10496a723998fd40bd2662d231e6135c465000d319b708736570d0bd09
SHA3-384 hash: adfb7c70486541bd81f42dd4f383737c0c65fb28079bc8d8c203551ed417e4c7f761501d5cc4a8208c9b57043ca774a6
SHA1 hash: c269abf7258da4ee6481dae3c19d3b7a58b7f4ea
MD5 hash: 7806c7cd317fabbc77985b247167e596
humanhash: salami-enemy-lake-rugby
File name:Scan_202005.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:686'080 bytes
First seen:2021-10-11 16:26:53 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'611 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:dshv3Ui0qubGxBeD9/PJ1w30mtp3We7CdPyW:i/UibuHZgpGe+dP
Threatray 10'255 similar samples on MalwareBazaar
TLSH T1B8E4BF3039EA405AF373BF766ED6B54D9F6EBEB26503940E2052734A0532B818DA153F
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
267
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Scan_202005.exe
Verdict:
Malicious activity
Analysis date:
2021-10-11 16:29:12 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/8420d980-c5e3-45d5-9037-da3be94f4259

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/196692/
Detection(s):
SecuriteInfo.com.BackDoor.SpyBotNET.25-2.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/616465d9fd35fe780c386446/reports/bb336ae7-99e7-4182-9b6a-fe3a10bd222a/overview
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/4a65af5b-47f7-4525-b0d1-0c0c538b6eff
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/867760
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
C2 URLs / IPs found in malware configuration
Found malware configuration
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 dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Sigma detected: Suspect Svchost Activity
Sigma detected: Suspicious Svchost Process
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
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 500193 Sample: Scan_202005.exe Startdate: 11/10/2021 Architecture: WINDOWS Score: 100 40 www.28686ay.com 2->40 52 Found malware configuration 2->52 54 Malicious sample detected (through community Yara rule) 2->54 56 Multi AV Scanner detection for dropped file 2->56 58 9 other signatures 2->58 11 Scan_202005.exe 7 2->11         started        signatures3 process4 file5 34 C:\Users\user\AppData\...34ovwaoBFfnCGA.exe, PE32 11->34 dropped 36 C:\Users\user\AppData\Local\...\tmp8E03.tmp, XML 11->36 dropped 38 C:\Users\user\AppData\...\Scan_202005.exe.log, ASCII 11->38 dropped 70 Uses schtasks.exe or at.exe to add and modify task schedules 11->70 72 Tries to detect virtualization through RDTSC time measurements 11->72 15 Scan_202005.exe 11->15         started        18 schtasks.exe 1 11->18         started        signatures6 process7 signatures8 74 Modifies the context of a thread in another process (thread injection) 15->74 76 Maps a DLL or memory area into another process 15->76 78 Sample uses process hollowing technique 15->78 80 Queues an APC in another process (thread injection) 15->80 20 explorer.exe 15->20 injected 24 conhost.exe 18->24         started        process9 dnsIp10 42 uperionorthamerica.com 184.168.131.241, 49827, 80 AS-26496-GO-DADDY-COM-LLCUS United States 20->42 44 www.uperionorthamerica.com 20->44 46 3 other IPs or domains 20->46 60 System process connects to network (likely due to code injection or exploit) 20->60 26 svchost.exe 12 20->26         started        signatures11 process12 dnsIp13 48 www.uperionorthamerica.com 26->48 50 uperionorthamerica.com 26->50 62 System process connects to network (likely due to code injection or exploit) 26->62 64 Self deletion via cmd delete 26->64 66 Modifies the context of a thread in another process (thread injection) 26->66 68 2 other signatures 26->68 30 cmd.exe 1 26->30         started        signatures14 process15 process16 32 conhost.exe 30->32         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b9b0ce10496a723998fd40bd2662d231e6135c465000d319b708736570d0bd09/
Threat name:
ByteCode-MSIL.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2021-10-11 16:27:06 UTC
AV detection:
15 of 27 (55.56%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xgym4ecjnjzdtgh5ic6smywsghtbgxcgkaanggnxbbzwk4gqxueq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
2728dc98fdebc00823b877eba49ace782c17db8a07074634aafca9dc00277776
Formbook
4bb96dffcc0b4cba1f4ee2ed04e32d724e486c88b0e8492b3e5efb1ec0928c0e
Formbook
7384a61fc69ce24610f7c4658c2ef8786c4cdc5d6ad6b33d1a9f506d6b6388d3
Formbook
75772375acbcfb6cb668fc2449671a6a83afe1434184ac7c01fd895825fcf5e6
Formbook
a273caaec30c51f646c6b2d4e6d4823e01f510f3d48ceb963664e50c1e3a5f31
Formbook
aa768c2c6e6e99313d1de9367ad2b894ce051ae3ce3ed1aeedc806ab8b0a0f80
Formbook
c4c9d27ea805c32e7f0e66dc0d9534d8fbd87f4c1327727b2e1e9ae937f02c45
Formbook
e10fd0e47f713f77031028a2c5525477154ad2f7f6500b9679bb00e6897535d3
Formbook
e6cde5c1b614549613d30761b34c899f4ff69d7e6e3147c21d68bedd64f8fe25
Formbook
+ 10'245 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:pfrp loader rat
Link:
https://tria.ge/reports/211011-tx4l7ahfe4/
Behaviour
Creates scheduled task(s)
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
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.25922727.com/pfrp/
Unpacked files
SH256 hash:
b43ee265adace2247b11976feef6f525a2378fe233576f74f99cf2c21761dd79
MD5 hash:
bbbb1e0ecfbdd80b32f6b03ab140c939
SHA1 hash:
1b46e53eee1584855a087e32c15fa141a14e9af9
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/0f33eb9a-30c0-4ce6-912a-3d33dd245b11/
Parent samples :
aa768c2c6e6e99313d1de9367ad2b894ce051ae3ce3ed1aeedc806ab8b0a0f80
b9b0ce10496a723998fd40bd2662d231e6135c465000d319b708736570d0bd09
309823f6a6820db5d24443327e3b566f8d2aa16b3a9052086f521488a46e1532
SH256 hash:
d434e7cb4105d7e760a39a1a8a1306338b00fbd6507025d53e4c44ede73d3788
MD5 hash:
6613b992e916924c3f38a179bb9866ab
SHA1 hash:
cd5741f4d0a4685c5fd9c9e2e708bbf33ec1691a
Link:
https://www.unpac.me/results/0f33eb9a-30c0-4ce6-912a-3d33dd245b11/
SH256 hash:
5bf0d29e853b025e300237efab5cf62dcb0a98641e62361f9d08f6f09c955c51
MD5 hash:
61aad408a668a842246ebc84282c1aaf
SHA1 hash:
4b86b57709d5b1c5fd6a1bbbb617da391b9556ed
Link:
https://www.unpac.me/results/0f33eb9a-30c0-4ce6-912a-3d33dd245b11/
SH256 hash:
b9b0ce10496a723998fd40bd2662d231e6135c465000d319b708736570d0bd09
MD5 hash:
7806c7cd317fabbc77985b247167e596
SHA1 hash:
c269abf7258da4ee6481dae3c19d3b7a58b7f4ea
Link:
https://www.unpac.me/results/0f33eb9a-30c0-4ce6-912a-3d33dd245b11/
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/b9b0ce10496a723998fd40bd2662d231e6135c465000d319b708736570d0bd09

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: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 b9b0ce10496a723998fd40bd2662d231e6135c465000d319b708736570d0bd09

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/196692/

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