MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d7e61a797f06ffccc8107b01d621197d674beb04dc0021c4a38675f6e7ff5680. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments
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SHA256 hash: d7e61a797f06ffccc8107b01d621197d674beb04dc0021c4a38675f6e7ff5680
SHA3-384 hash: eaae2ddccd6521c9135985382e811c42095dc7bfb68ae5b660b2d955d85f3563792d5593776f04fb73d6bdbbc4a186d5
SHA1 hash: 519cd222209530e7c67df91433c9399ae0036740
MD5 hash: a9df4380d0d04533a61accffe0d5eefe
humanhash: blue-delaware-wyoming-item
File name:Remittance_Advice.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'180'672 bytes
First seen:2022-03-28 17:22:20 UTC
Last seen:2022-03-28 17:46:11 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:fztc4qVWeSx7LPSXXnkP6Y6ojoTg3tPamOZOOl:7WVdYLPSHk6ojok3IVR
Threatray 10'695 similar samples on MalwareBazaar
TLSH T14F45F12376698A55C13583B2CCAAC4CC07B47E8A6D67C60F3DC577CF09713875A1AA8B
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence

File Origin
# of uploads :
2
# of downloads :
233
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
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Link:
https://www.capesandbox.com/analysis/258693/
Detection(s):
SecuriteInfo.com.Heur.MSIL.Bladabindi.1.24177.27097.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Creating a file
Searching for synchronization primitives
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
bladabindi control.exe explorer.exe obfuscated packed replace.exe shell32.dll
Link:
https://www.filescan.io/uploads/6241eef71f2042394843d5ff/reports/cfcac20d-1bd7-43ab-a67c-bce2bfaf990b/overview
Result
Verdict:
MALICIOUS
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/bda44ba8-71ff-46c5-8cdb-e25bb60605bf
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/966058
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
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
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Suspicious Add Scheduled Task From User AppData Temp
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses netstat to query active network connections and open ports
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: 598539 Sample: Remittance_Advice.exe Startdate: 28/03/2022 Architecture: WINDOWS Score: 100 38 www.jackmeetjay.com 2->38 40 www.eduardoorosc.club 2->40 42 3 other IPs or domains 2->42 44 Found malware configuration 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 Antivirus detection for URL or domain 2->48 50 10 other signatures 2->50 9 Remittance_Advice.exe 7 2->9         started        13 explorer.exe 128 2->13         started        signatures3 process4 file5 32 C:\Users\user\AppData\...\xQOHwDTykBCLK.exe, PE32 9->32 dropped 34 C:\Users\user\AppData\Local\...\tmp3CEC.tmp, XML 9->34 dropped 36 C:\Users\user\...\Remittance_Advice.exe.log, ASCII 9->36 dropped 54 Uses schtasks.exe or at.exe to add and modify task schedules 9->54 56 Adds a directory exclusion to Windows Defender 9->56 15 RegSvcs.exe 9->15         started        18 powershell.exe 25 9->18         started        20 schtasks.exe 1 9->20         started        signatures6 process7 signatures8 64 Modifies the context of a thread in another process (thread injection) 15->64 66 Maps a DLL or memory area into another process 15->66 68 Sample uses process hollowing technique 15->68 70 2 other signatures 15->70 22 explorer.exe 15->22 injected 25 conhost.exe 18->25         started        27 conhost.exe 20->27         started        process9 signatures10 52 Uses netstat to query active network connections and open ports 22->52 29 NETSTAT.EXE 22->29         started        process11 signatures12 58 Modifies the context of a thread in another process (thread injection) 29->58 60 Maps a DLL or memory area into another process 29->60 62 Tries to detect virtualization through RDTSC time measurements 29->62
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/d7e61a797f06ffccc8107b01d621197d674beb04dc0021c4a38675f6e7ff5680/
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
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Status:
Malicious
First seen:
2022-03-28 13:42:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
77
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=27tbu6l7a374zsaqpma5miizpvtux2ye3qacdrfdqz27nz77k2aa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0c00b068d5bfd4dc81a3868464cdc8058a8a258db2b446722a601eb942b69068
Formbook
190b1831c5dfcd818fb3a4ff19a5a0ebfdaec9598e71c7a8c9f56f6ac9e52c6f
Formbook
8085268c9f2053c82abbff7add9efff451f11994a1ae313718cdecf2c693da06
Formbook
af985554eebc4990f77fc7c337d7af4367c2e28acbb41386669e5fa3bb55fbcd
Formbook
b7f5857586780b4dba775eb6d75c03ee627405bbedf03c7e1966ec8abb3f2c6c
Formbook
c86f3a2110ed2a8498cf30d4ab88cf9ea18edc612835fe2b369e7596dafb802e
Formbook
d67265883ffb3f3129132bfe1dad4a828c887266a0a005e814bcda58c525625b
Formbook
d89f28603b8948dd7217e42366328a6e9bd05d59e5de67a4c39f207f8a520d43
Formbook
+ 10'685 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:ee3s loader rat suricata
Link:
https://tria.ge/reports/220328-vx4smagggq/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
77710db4fd14880886d0e77d163a7ed0f6a311b3fd61b859a0f2f2ef64e277cf
MD5 hash:
74fe265e2ea66172534ef558b23c19d6
SHA1 hash:
b831039199260d29a1de3a468b5ee9f26dae4959
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/c6433a8c-3c40-4e4a-b91e-9c9680892846/
Parent samples :
d7e61a797f06ffccc8107b01d621197d674beb04dc0021c4a38675f6e7ff5680
5759b13137e1091398f834fc26b2b681adcce1dfaa83b9a0ab399b1566b9e69b
471429e2686887cf2416e11d6d9c2a36f639f7b971db1d7b013b933ae3f3bd6c
d36aed39f3fb785951a4e948bcb4f86033a398ee0ddfef85040564751918b669
66972078954fd71e073a89c4106dcd4a2bfa4f3ed89ab2ec638f0ba81c9bed30
SH256 hash:
761bac93cc9b52598856c71329cb9a4b70ac21ba21e045048e21b3c435f17e96
MD5 hash:
922df68792695045419100d5d621d2c4
SHA1 hash:
ba24e1dce11608cdce53f20cc0b748e68b7609fe
Link:
https://www.unpac.me/results/c6433a8c-3c40-4e4a-b91e-9c9680892846/
SH256 hash:
613b2819d35360cbfe6c94b2b998d1a4998c89f5bdef505e0e158e1288ab684c
MD5 hash:
3096cbaf4b5d40f9c61bf7ce13fde62f
SHA1 hash:
6b3c580e51fd306bfdc2e727ca3bc7805aba4b53
Link:
https://www.unpac.me/results/c6433a8c-3c40-4e4a-b91e-9c9680892846/
SH256 hash:
6dddec11fc932cd301df6f1d8476f657b1550e236009ef34992b5a8a1aedb42c
MD5 hash:
343b8508d5c316aa7217fc6e67804863
SHA1 hash:
3ca596cd65d01c26eff9f99b4087b59c7cd272f1
Link:
https://www.unpac.me/results/c6433a8c-3c40-4e4a-b91e-9c9680892846/
SH256 hash:
d7e61a797f06ffccc8107b01d621197d674beb04dc0021c4a38675f6e7ff5680
MD5 hash:
a9df4380d0d04533a61accffe0d5eefe
SHA1 hash:
519cd222209530e7c67df91433c9399ae0036740
Link:
https://www.unpac.me/results/c6433a8c-3c40-4e4a-b91e-9c9680892846/
Malware family:
XLoader
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/d7e61a797f06/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/d7e61a797f06ffccc8107b01d621197d674beb04dc0021c4a38675f6e7ff5680

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: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

Executable exe d7e61a797f06ffccc8107b01d621197d674beb04dc0021c4a38675f6e7ff5680

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/258693/

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