MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b61e941f98080f431ec35c165703e2d18957fcc2b386286eeaa7a274ded8e0b3. 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
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SHA256 hash: b61e941f98080f431ec35c165703e2d18957fcc2b386286eeaa7a274ded8e0b3
SHA3-384 hash: 0a7b03291b75ed150ac21b343e4e490a2e34c04e3f4984299a7aefa409b28c63d0febdaca88f90dde30d237676fd2f92
SHA1 hash: 245239c43c3146ee41de1f46528cea3f26f1a6b0
MD5 hash: e6d4647120718672e95e07913988ace9
humanhash: zulu-virginia-moon-solar
File name:02449P2021083PA011.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'116'160 bytes
First seen:2021-08-13 11:39:39 UTC
Last seen:Never
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:PxU4yNKC3L//TuZErIbjSmoXE2luLHPKHW2kQQStKe41OexZnyV+:P+HKSLKZHbVoX3uLHPKW7/
Threatray 7'733 similar samples on MalwareBazaar
TLSH T11A356F3C29FD263FC0A6D675CBE28C13B00168AF7121AD5594C7572E532AA437AC727E
dhash icon 70f0eab2e0ecf070 (15 x AgentTesla, 9 x Loki, 7 x Formbook)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
270
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
02449P2021083PA011.exe
Verdict:
Malicious activity
Analysis date:
2021-08-13 11:40:04 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/6d3bbf24-9b6c-4fc1-9d38-1ab06f6a8bd2

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/178971/
Detection(s):
SecuriteInfo.com.Trojan.Siggen14.59996.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
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/6042e1dc-1742-4330-8844-24d3a958d9b1
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/832374
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
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 sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 464801 Sample: 02449P2021083PA011.exe Startdate: 13/08/2021 Architecture: WINDOWS Score: 100 36 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->36 38 Found malware configuration 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 6 other signatures 2->42 10 02449P2021083PA011.exe 3 2->10         started        process3 file4 28 C:\Users\user\...\02449P2021083PA011.exe.log, ASCII 10->28 dropped 52 Tries to detect virtualization through RDTSC time measurements 10->52 14 02449P2021083PA011.exe 10->14         started        signatures5 process6 signatures7 54 Modifies the context of a thread in another process (thread injection) 14->54 56 Maps a DLL or memory area into another process 14->56 58 Sample uses process hollowing technique 14->58 60 Queues an APC in another process (thread injection) 14->60 17 explorer.exe 14->17 injected process8 dnsIp9 30 www.thebandaiderepair.com 74.220.199.6, 49725, 80 UNIFIEDLAYER-AS-1US United States 17->30 32 www.best123-movies.com 81.17.18.198, 49726, 80 PLI-ASCH Switzerland 17->32 34 6 other IPs or domains 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 21 raserver.exe 17->21         started        signatures10 process11 signatures12 46 Modifies the context of a thread in another process (thread injection) 21->46 48 Maps a DLL or memory area into another process 21->48 50 Tries to detect virtualization through RDTSC time measurements 21->50 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
xloader
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Link:
https://mwdb.cert.pl/sample/b61e941f98080f431ec35c165703e2d18957fcc2b386286eeaa7a274ded8e0b3/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2021-08-13 07:36:43 UTC
AV detection:
19 of 28 (67.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=wypjih4ybahughwdlqlfoa7c2gevp7gcwodcq3xku6rhjxwy4czq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
1f842cf49a031ad6112edf767d3022d47391b39fd3bda6e7c456f5815f8bf742
Formbook
21819dfbcb4f450bc55706acc971444f6f3452604dc0c19a0b04f2e21732987b
Formbook
4c1b38391ab198fb0e2c7050a8951e65efbc818991fb710f6deeb2c76a54c734
Formbook
5023ffb96d6d21805c48f275dbb208a1671ab8dd7f3c170ca4dba1ac08c075f9
Formbook
cbe7c0318d2f88aff2f18fc19a824bfdebcf2f7137d85adac1a5799afbb6876b
Formbook
ee929bc954e0c858ca17de372ed70ec02343b1c48ab6631c07c60550a8da7b4d
Formbook
eebf2b5d558c3f39f52538f7d3175c732f38351dca734eb37bf975796dcc086a
Formbook
+ 7'723 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:ipa8 loader rat suricata
Link:
https://tria.ge/reports/210813-m7zmzm846e/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
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.desarrollosolucionesnavarro.com/ipa8/
Unpacked files
SH256 hash:
f983da48ac2fd562b4a60f65633c6d5783e1779df39ce325b5e1c86e4030cc75
MD5 hash:
1e2eda83043bcf638d404c49e1a88b00
SHA1 hash:
e91f775f6d57d0ccb81e54cdf77a304d3684a153
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/eb746c1b-b79c-4be0-ba20-0bf214134327/
Parent samples :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 hash:
f55934fc2eeb68381615c7a32056ecf6539861c72309ff71a1acd315c4045654
MD5 hash:
14a3144664ff42f9a36acce61448fcb4
SHA1 hash:
d47b17c038827009156dfff3b14e55a0540e71dd
Link:
https://www.unpac.me/results/eb746c1b-b79c-4be0-ba20-0bf214134327/
SH256 hash:
33ac6b8012ce739e72022086b5d39b7fc030c20fa72988f76957685509d5c041
MD5 hash:
83f8ae95a7e6f016f6b00482588086e6
SHA1 hash:
70392939d6d60a913b51084ec1d98eaae8ca4868
Link:
https://www.unpac.me/results/eb746c1b-b79c-4be0-ba20-0bf214134327/
SH256 hash:
b61e941f98080f431ec35c165703e2d18957fcc2b386286eeaa7a274ded8e0b3
MD5 hash:
e6d4647120718672e95e07913988ace9
SHA1 hash:
245239c43c3146ee41de1f46528cea3f26f1a6b0
Link:
https://www.unpac.me/results/eb746c1b-b79c-4be0-ba20-0bf214134327/
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/b61e941f98080f431ec35c165703e2d18957fcc2b386286eeaa7a274ded8e0b3

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 b61e941f98080f431ec35c165703e2d18957fcc2b386286eeaa7a274ded8e0b3

(this sample)

  
Dropped by
Formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/178971/

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