MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 40377adc190ad001ea80a3e8bbc32aedc3bf77bcc8954baa1808bd8ae9c322a0. 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: 7


Intelligence 7 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 40377adc190ad001ea80a3e8bbc32aedc3bf77bcc8954baa1808bd8ae9c322a0
SHA3-384 hash: 9877e3a74ea133495122393e9a6209707a970969a7d70765e97839cfc40c072e3fe479f1705f3cc3ef158d62987dbb7f
SHA1 hash: 3ddd5cbc6bb831bdc2c040e0a5bacab624788a16
MD5 hash: 67a1a00c3801c1603f5f5c25afa1c6ed
humanhash: beer-north-asparagus-mobile
File name:bank transfer.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'150'976 bytes
First seen:2021-04-08 15:50:27 UTC
Last seen:2021-04-08 17:22:59 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'662 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:qFl6aN0p5nibhM+C7CbP8KdS0Mc7nXDrRBQi1HoAgJ/wV6:UwYg0bOFebP8KY0xYiPg1q
Threatray 4'572 similar samples on MalwareBazaar
TLSH 4935231523CCDBA6C2BEABB92670292003F4F60D9F32F31DBE4461BD1677791C251A5A
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: boris.2rails.com
Sending IP: 162.243.248.181
From: Nadir Dzananovic <office@marathon.co.rs>
Subject: Re: Re: bank transfer
Attachment: bank transfer.zip (contains "bank transfer.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
210
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
3DDD5CBC6BB831BDC2C040E0A5BACAB624788A16
Verdict:
Malicious activity
Analysis date:
2021-04-08 15:25:10 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/7de1122b-5d18-4277-9bb6-7c6dbb8bcfd5

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/133251/
Detection(s):
SecuriteInfo.com.MachineLearning.Anomalous.97.11222.10588.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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.
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/670452
Signature
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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Scheduled temp file as task from temp location
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
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 384172 Sample: bank transfer.exe Startdate: 08/04/2021 Architecture: WINDOWS Score: 100 56 www.martinbrosenterprise.com 2->56 58 martinbrosenterprise.com 2->58 70 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->70 72 Found malware configuration 2->72 74 Malicious sample detected (through community Yara rule) 2->74 76 8 other signatures 2->76 12 bank transfer.exe 7 2->12         started        signatures3 process4 file5 50 C:\Users\user\AppData\Local\...\tmp136E.tmp, XML 12->50 dropped 52 C:\Users\user\...\bank transfer.exe.log, ASCII 12->52 dropped 54 C:\Users\user\AppData\Roaming\cbhuLWuNk.exe, PE32 12->54 dropped 92 Writes to foreign memory regions 12->92 94 Injects a PE file into a foreign processes 12->94 16 RegSvcs.exe 6 12->16         started        20 schtasks.exe 1 12->20         started        signatures6 process7 file8 48 C:\Users\user\AppData\Roaming\suSwVklf.exe, PE32 16->48 dropped 66 Tries to detect virtualization through RDTSC time measurements 16->66 68 Injects a PE file into a foreign processes 16->68 22 RegSvcs.exe 16->22         started        25 RegSvcs.exe 16->25         started        27 schtasks.exe 1 16->27         started        29 conhost.exe 20->29         started        signatures9 process10 signatures11 78 Modifies the context of a thread in another process (thread injection) 22->78 80 Maps a DLL or memory area into another process 22->80 82 Sample uses process hollowing technique 22->82 84 Queues an APC in another process (thread injection) 22->84 31 explorer.exe 22->31 injected 35 MpCmdRun.exe 1 25->35         started        37 conhost.exe 27->37         started        process12 dnsIp13 60 www.carnivalhotels.net 217.160.0.160, 49726, 80 ONEANDONE-ASBrauerstrasse48DE Germany 31->60 62 www.legalteamsolutions.com 208.91.197.91, 49727, 80 CONFLUENCE-NETWORK-INCVG Virgin Islands (BRITISH) 31->62 64 System process connects to network (likely due to code injection or exploit) 31->64 39 cmd.exe 31->39         started        42 conhost.exe 35->42         started        signatures14 process15 signatures16 86 Modifies the context of a thread in another process (thread injection) 39->86 88 Maps a DLL or memory area into another process 39->88 90 Tries to detect virtualization through RDTSC time measurements 39->90 44 cmd.exe 1 39->44         started        process17 process18 46 conhost.exe 44->46         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/40377adc190ad001ea80a3e8bbc32aedc3bf77bcc8954baa1808bd8ae9c322a0/
Threat name:
ByteCode-MSIL.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2021-04-08 16:02:35 UTC
AV detection:
15 of 29 (51.72%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ia3xvxazbliad2uaupulxqzk5xb36554zckuxkqybc6yv2odekqa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
09f19a43e9a0b736e9fcd33359267340b91a2ccc376c8cda72fac9754c1493c0
Formbook
1a859f18a203b53f7c893f9e3d3cbfeb6bd9c0d479f1ddd5626ba4c9eb34e670
Formbook
1e5241525e65fdfc2540e30a5e54b0147240a9d0f5da4063ef94509379a19feb
Formbook
393b127088802012cba2a9b9065c17069669c919e6513b34f57d30d12f631d76
Formbook
5d4c17f9ea28e3df3efa9d9c7ba40444abeee049fe999eb2d579c6cf4ccc3231
Formbook
8309d803c92faaf24828cd67e4c1041f9465ecf6c63f7608d7ed4579f075a02c
Formbook
9dac57302e2261a1a3c6a665d3960525b27fb70a1fd6b1e135a3e72f11c6f3e6
Formbook
a2cdf452f83aa86c0f3ade321cfc00a9ed3671082372081a67cad84a26492051
Formbook
b69927fbfd7eb038b59aa9b7e9f49cb02d127d48fcf6517e65a379e982e806bc
Formbook
c69e54b704c7d7e94faa9c3ea2519eef344e1099aa99271833bc56cae00ab8af
Formbook
+ 4'562 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://tria.ge/reports/210408-jn17lt6xlx/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
c5519ef771321d62260735c62622297b284e823d97b29eed0dae704d89bb4c5f
MD5 hash:
0158502a4a1ee47ae2abfe604f2fd748
SHA1 hash:
3dec24548c89d943f3fe9a4dd0b8663cbdcf6e0d
Link:
https://www.unpac.me/results/8317e673-b49e-46d9-81c7-8b3afc162cd7/
SH256 hash:
40377adc190ad001ea80a3e8bbc32aedc3bf77bcc8954baa1808bd8ae9c322a0
MD5 hash:
67a1a00c3801c1603f5f5c25afa1c6ed
SHA1 hash:
3ddd5cbc6bb831bdc2c040e0a5bacab624788a16
Link:
https://www.unpac.me/results/8317e673-b49e-46d9-81c7-8b3afc162cd7/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/40377adc190ad001ea80a3e8bbc32aedc3bf77bcc8954baa1808bd8ae9c322a0

File information

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

Malspam

Formbook

zip bd1316770c43fd3c9ca43f4035759f7dbf138c11a4e23effdf97201a8cf06548

Formbook

Executable exe 40377adc190ad001ea80a3e8bbc32aedc3bf77bcc8954baa1808bd8ae9c322a0

(this sample)

  
Dropped by
MD5 6fc825a2f69349ddfc1e2a3f0465a0b7
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/133251/
  
Dropped by
SHA256 bd1316770c43fd3c9ca43f4035759f7dbf138c11a4e23effdf97201a8cf06548

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