MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 62678459c076b6993bbe9cc617bde236afe8a87906f5de98adc375665ba0a84f. 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 4 File information Comments
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SHA256 hash: 62678459c076b6993bbe9cc617bde236afe8a87906f5de98adc375665ba0a84f
SHA3-384 hash: a2d428d543e8cdd59cda47b47ff2773b6f771927d61b87e0b1264675a069b3759dc2dbe7d4b1fe162bd00248649dde78
SHA1 hash: 7a3fffad9a7be88516c8004e9e6b55fcf4757e35
MD5 hash: 54c9006a6634870e0f02fca2b6ba0d4f
humanhash: failed-october-cat-idaho
File name:001100202021.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:473'088 bytes
First seen:2021-11-02 12:38:21 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 6144:wvIl1WgaHTuoDjld5YDTAMua5rlosy0qMc1QK95fSdJL1GUHpcMdnrsRTUKZ:AHTlpI44rlosS5O4dSdTGWiMdY+K
TLSH T1BBA4E0C252D48622E56D4FB410712D2053737E6D7928FAD86D997CEB3A73BC39120EA3
Reporter cocaman
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
118
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
001100202021.exe
Verdict:
Malicious activity
Analysis date:
2021-11-02 12:40:56 UTC
Tags:
trojan formbook stealer opendir
Link:
https://app.any.run/tasks/e55599a2-4b9b-4023-bea4-de8cadfed437

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/201435/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.47300229.15364.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/618131681c62c356607ef2b4/reports/2c9f0d77-6edb-4429-9b26-cba9f5460c67/overview
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/d3baf8be-0480-4b9d-879e-2b21ea317164
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/881278
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
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 schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 513708 Sample: 001100202021.exe Startdate: 02/11/2021 Architecture: WINDOWS Score: 100 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 8 other signatures 2->50 10 001100202021.exe 7 2->10         started        process3 file4 32 C:\Users\user\AppData\Roaming\jRrLrCYA.exe, PE32 10->32 dropped 34 C:\Users\user\AppData\Local\...\tmpE99A.tmp, XML 10->34 dropped 36 C:\Users\user\...\001100202021.exe.log, ASCII 10->36 dropped 64 Uses schtasks.exe or at.exe to add and modify task schedules 10->64 66 Tries to detect virtualization through RDTSC time measurements 10->66 68 Injects a PE file into a foreign processes 10->68 14 001100202021.exe 10->14         started        17 schtasks.exe 1 10->17         started        signatures5 process6 signatures7 70 Modifies the context of a thread in another process (thread injection) 14->70 72 Maps a DLL or memory area into another process 14->72 74 Sample uses process hollowing technique 14->74 76 Queues an APC in another process (thread injection) 14->76 19 explorer.exe 14->19 injected 23 conhost.exe 17->23         started        process8 dnsIp9 38 www.oxygenglobal.net 23.90.37.72, 49856, 80 EONIX-COMMUNICATIONS-ASBLOCK-62904US United States 19->38 40 topgamesimple.xyz 209.236.118.251, 49830, 80 ASN-DISUS United States 19->40 42 2 other IPs or domains 19->42 52 System process connects to network (likely due to code injection or exploit) 19->52 54 Performs DNS queries to domains with low reputation 19->54 25 chkdsk.exe 19->25         started        signatures10 process11 signatures12 56 Self deletion via cmd delete 25->56 58 Modifies the context of a thread in another process (thread injection) 25->58 60 Maps a DLL or memory area into another process 25->60 62 Tries to detect virtualization through RDTSC time measurements 25->62 28 cmd.exe 1 25->28         started        process13 process14 30 conhost.exe 28->30         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/62678459c076b6993bbe9cc617bde236afe8a87906f5de98adc375665ba0a84f/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2021-11-02 12:39:06 UTC
AV detection:
18 of 28 (64.29%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=mjtyiwoao23jso56ttdbpppcg2x6rkdza3255gfnyn2wmw5avbhq._file
Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:u1bs rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/211102-pvmhnshedp/
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 WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.vgmpradio.com/u1bs/
Unpacked files
SH256 hash:
76103add05c8ca7a29efceafaa6d241c11de14c358d2a2f1dd33714c2423d3f3
MD5 hash:
245840d43ff7f615649fc1d41a34b349
SHA1 hash:
4318cc898f26f68f2042a9d5b262493f17528795
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/c5ae649f-750e-4bcb-b1f6-a80f6ecb4259/
Parent samples :
429add11efba80f4e7d037b428d2dfc76e2c6904b5ff94ab0ccaa1fb4d665348
1bb913d6f594107a8c8d4d64f9a3de85c602813d9ad93189b9949fbc8a93aa32
78670e73101801526b59bf2bdead06d95cad399ff72abadfc0e00ba557643c80
62678459c076b6993bbe9cc617bde236afe8a87906f5de98adc375665ba0a84f
3f329c3c43a80af4145116889d380b5022d7509b18a36143d3adf455d71ad02f
100a38f41bd7479fffee98011672258611db629db410d4ef622dc2b87ba5b6fe
SH256 hash:
7ec7c47de5927351c7035f8657a2dd91c42fd6ed6e4da309e34b87ef0b0ba785
MD5 hash:
171a2669225911b41301096cd9dcf19f
SHA1 hash:
dc25f1f69faec5174e489a0d1a18cf14cf7fd1b5
Link:
https://www.unpac.me/results/c5ae649f-750e-4bcb-b1f6-a80f6ecb4259/
SH256 hash:
227b2033721f0d3684270474928b96c2997bc5866fded6fe190627c540be4b94
MD5 hash:
cb1627faecbc31c8d0ae026226b55645
SHA1 hash:
4259de55401ec45ad741e25dc22bb0ba5194f197
Link:
https://www.unpac.me/results/c5ae649f-750e-4bcb-b1f6-a80f6ecb4259/
SH256 hash:
62678459c076b6993bbe9cc617bde236afe8a87906f5de98adc375665ba0a84f
MD5 hash:
54c9006a6634870e0f02fca2b6ba0d4f
SHA1 hash:
7a3fffad9a7be88516c8004e9e6b55fcf4757e35
Link:
https://www.unpac.me/results/c5ae649f-750e-4bcb-b1f6-a80f6ecb4259/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/62678459c076/report/overview.html
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/62678459c076b6993bbe9cc617bde236afe8a87906f5de98adc375665ba0a84f

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

Malspam

Formbook

rar 7b2d58fc166483d629c34ce43755517784fd00eb691aec1037e333f3759fcf49

Formbook

Executable exe 62678459c076b6993bbe9cc617bde236afe8a87906f5de98adc375665ba0a84f

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 7b2d58fc166483d629c34ce43755517784fd00eb691aec1037e333f3759fcf49
Cape
Cape
https://www.capesandbox.com/analysis/201435/

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