MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 37d7d0735e4cedf32ffff58f24330efb4b9fd08cf836ca876350e69ee769ae66. 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: 10


Intelligence 10 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 37d7d0735e4cedf32ffff58f24330efb4b9fd08cf836ca876350e69ee769ae66
SHA3-384 hash: 552e1cecf219429a1f76d2fb058e740bd110accb44163ba394b5e768d2c803c31f2feff61c2586512570b2076f8da102
SHA1 hash: f82a7bc0b616304f54f527f94f28e0ecd5dee65a
MD5 hash: df4dbea736165e507e2daf6726ee2903
humanhash: freddie-fix-asparagus-august
File name:Bank report & payment invoices.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:926'208 bytes
First seen:2021-08-24 08:49:11 UTC
Last seen:2021-08-24 14:23:58 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:tccsGI/ce2aHhY9Sc4AWH08p1maHvZbbtphfRew/q8IhbjzmMpNQKVR2EObbD:tzcYbWfxbt7fRojzlpNQCR
TLSH T193159C306389C284EC1A8FF0166CFB9402F275E7B6C5CE6E16D9724CCE5E9D12A1764B
dhash icon c8e4c2d1f5349c09 (15 x AgentTesla, 12 x Formbook, 8 x SnakeKeylogger)
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence

File Origin
# of uploads :
2
# of downloads :
308
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Bank report & payment invoices.exe
Verdict:
Malicious activity
Analysis date:
2021-08-24 08:51:42 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/7ab42070-774e-4845-81e6-4046fa57191c

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/181794/
Detection(s):
Sanesecurity.Rogue.0hr.20210824-0903.UNOFFICIAL
Create hunting rule

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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/08f8bbfb-054e-4b0f-8664-3bf2ee5d0892
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/838093
Signature
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
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 virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 470522 Sample: Bank report & payment invoi... Startdate: 24/08/2021 Architecture: WINDOWS Score: 100 31 www.kundantanti.com 2->31 33 kundantanti.com 2->33 41 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->41 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 7 other signatures 2->47 10 Bank report & payment invoices.exe 3 2->10         started        signatures3 process4 file5 29 C:\...\Bank report & payment invoices.exe.log, ASCII 10->29 dropped 55 Injects a PE file into a foreign processes 10->55 14 Bank report & payment invoices.exe 10->14         started        17 Bank report & payment invoices.exe 10->17         started        signatures6 process7 signatures8 57 Modifies the context of a thread in another process (thread injection) 14->57 59 Maps a DLL or memory area into another process 14->59 61 Sample uses process hollowing technique 14->61 63 Queues an APC in another process (thread injection) 14->63 19 msiexec.exe 14->19         started        22 explorer.exe 14->22 injected process9 dnsIp10 49 Modifies the context of a thread in another process (thread injection) 19->49 51 Maps a DLL or memory area into another process 19->51 25 cmd.exe 1 19->25         started        35 impactaccountingsolutions.com 69.20.104.42, 49724, 80 RACKSPACEUS United States 22->35 37 www.attica.group 49.12.6.155, 49725, 80 HETZNER-ASDE Germany 22->37 39 6 other IPs or domains 22->39 53 System process connects to network (likely due to code injection or exploit) 22->53 signatures11 process12 process13 27 conhost.exe 25->27         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/37d7d0735e4cedf32ffff58f24330efb4b9fd08cf836ca876350e69ee769ae66/
Threat name:
ByteCode-MSIL.Trojan.Sabsik
Create hunting rule
Status:
Malicious
First seen:
2021-08-24 08:50:09 UTC
AV detection:
13 of 46 (28.26%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=g7l5a426jtw7gl776whsimyo7nfz7uem7a3mvb3dkdtj5z3jvzta._file
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:imm8 loader rat
Link:
https://tria.ge/reports/210824-w98x2lbf6x/
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
Deletes itself
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.impactaccountingsolutions.com/imm8/
Unpacked files
SH256 hash:
19ad8f76ee9b6aad9de40d81efac29db12f45a1acb3af6be469ef6ec7ed1b2ac
MD5 hash:
079e47880b0579fdcb175f07bdbec8f2
SHA1 hash:
8a5e1704451077421f748b5c93b50cdb5a39bc52
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/e32aa23a-23e6-4de3-b3ab-cd41d7983b1e/
Parent samples :
0ae1df4d50a7ed640973980699737b85e8947baef0087c511b4b1ebf8bdc22ba
eeb09100ff7eb31eb91735290de6a3cfe364b50365f4713aef21f7cf3db5744d
37d7d0735e4cedf32ffff58f24330efb4b9fd08cf836ca876350e69ee769ae66
33a9702e83888498799c0144e3a3ac06e095aa452ce066a02a3860dcd90d6bb8
b5a2c6ad35eae14ca13d811a3a1a445fabee8a8aa63625f25520375a20fe44bd
87e35b392f0e6ba445a7b302b087c7c443d7188240b2efb742d01ab7a62534ed
21d66e706ba5aa94f0c778ec914896b5c26db0c14ec93822cbe00525c2139845
SH256 hash:
6912e4bedd1288f116e968f0a79d9797f6d6bd24d45a5f10c52e20f9d33b8c61
MD5 hash:
03bde4a82ad64c0f314985232fbca3fa
SHA1 hash:
e8d0b6339e94192eaaca32c812f914e60576dca6
Link:
https://www.unpac.me/results/e32aa23a-23e6-4de3-b3ab-cd41d7983b1e/
SH256 hash:
2c6097f474b86e10e13c2a22b21e2201d80f4c167bd60dfe86968e4b0cc01339
MD5 hash:
ac75baaee9713bf5c5be02bed2e4dee3
SHA1 hash:
7cddadb9dc998010128838ab2542978bfed61826
Link:
https://www.unpac.me/results/e32aa23a-23e6-4de3-b3ab-cd41d7983b1e/
SH256 hash:
37d7d0735e4cedf32ffff58f24330efb4b9fd08cf836ca876350e69ee769ae66
MD5 hash:
df4dbea736165e507e2daf6726ee2903
SHA1 hash:
f82a7bc0b616304f54f527f94f28e0ecd5dee65a
Link:
https://www.unpac.me/results/e32aa23a-23e6-4de3-b3ab-cd41d7983b1e/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/37d7d0735e4cedf32ffff58f24330efb4b9fd08cf836ca876350e69ee769ae66

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
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
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 37d7d0735e4cedf32ffff58f24330efb4b9fd08cf836ca876350e69ee769ae66

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/181794/

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