MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dba99585218765f78dddf353fa0bc8cda522649bb25e13d71dfcd316e5d7c3f1. 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 2 File information Comments
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SHA256 hash: dba99585218765f78dddf353fa0bc8cda522649bb25e13d71dfcd316e5d7c3f1
SHA3-384 hash: 49eb3f65344fc6047f4c58f3a2af8419be97ce3811557f8fa024a1f990b3c9ec23a42806083ef2251deeef88196d8b87
SHA1 hash: a117ae3562ee7ab10460312aea893bfd47af40f6
MD5 hash: fb399b6632892d4e8ec9e0f7855cdef9
humanhash: green-alpha-friend-ceiling
File name:NEW PURCHASE ORDER.zip(~353 KB).exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'085'952 bytes
First seen:2022-07-26 08:27:07 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:Qw4UZvybcv8v7uev+DUa0izOSSMJGxl/H:Q6d8K9UUyS/U/H
TLSH T10E359DAC351075DFC86BC6B989A4AC74EB203C66530B9643909319DFBA1DBA3DF044E3
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 1806bc6de8f96990 (4 x Formbook, 3 x AgentTesla, 2 x SnakeKeylogger)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
271
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
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Link:
https://www.capesandbox.com/analysis/294202/
Detection(s):
SecuriteInfo.com.W32.AIDetectNet.01.2237.26333.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process from a recently created file
Creating a process with a hidden window
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
67%
Tags:
packed
Link:
https://www.filescan.io/uploads/62dfa598a2f481deb96988d7/reports/e9e5d035-6c8d-4e6a-9df7-d33d86587045/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/18ae0c76-ba8a-407b-a371-9eea02160085
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1040893
Signature
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in 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 dropped file
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)
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)
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 dnsIp2 2 Behavior Graph ID: 673387 Sample: NEW PURCHASE ORDER.zip(#U00... Startdate: 26/07/2022 Architecture: WINDOWS Score: 100 41 www.smxc.store 2->41 43 smxc.store 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 Antivirus detection for URL or domain 2->47 49 Antivirus detection for dropped file 2->49 51 13 other signatures 2->51 9 NEW PURCHASE ORDER.zip(#U007e353 KB).exe 7 2->9         started        signatures3 process4 file5 33 C:\Users\user\AppData\...\xlwmcTJSsXqzVD.exe, PE32 9->33 dropped 35 C:\...\xlwmcTJSsXqzVD.exe:Zone.Identifier, ASCII 9->35 dropped 37 C:\Users\user\AppData\Local\...\tmp2D76.tmp, XML 9->37 dropped 39 NEW PURCHASE ORDER...007e353 KB).exe.log, ASCII 9->39 dropped 53 Adds a directory exclusion to Windows Defender 9->53 55 Injects a PE file into a foreign processes 9->55 13 NEW PURCHASE ORDER.zip(#U007e353 KB).exe 9->13         started        16 powershell.exe 25 9->16         started        18 cmd.exe 1 9->18         started        20 schtasks.exe 1 9->20         started        signatures6 process7 signatures8 57 Modifies the context of a thread in another process (thread injection) 13->57 59 Maps a DLL or memory area into another process 13->59 61 Queues an APC in another process (thread injection) 13->61 22 explorer.exe 13->22 injected 24 conhost.exe 16->24         started        26 conhost.exe 18->26         started        28 conhost.exe 20->28         started        process9 process10 30 control.exe 22->30         started        signatures11 63 Modifies the context of a thread in another process (thread injection) 30->63 65 Maps a DLL or memory area into another process 30->65 67 Tries to detect virtualization through RDTSC time measurements 30->67
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/dba99585218765f78dddf353fa0bc8cda522649bb25e13d71dfcd316e5d7c3f1/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-07-26 08:28:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
21
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3ouzlbjbq5s7pdo56nj7uc6izwsseze3wjpbhvy57tjrnzoxypyq._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:jr04 rat spyware stealer trojan
Link:
https://tria.ge/reports/220726-kczytsffcj/
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
Suspicious use of SetThreadContext
Checks computer location settings
Formbook payload
Formbook
Unpacked files
SH256 hash:
256d761b54d3e6f4ff15499cd707a4bd02c92710e85eb9e8fc3ae387e6e2704f
MD5 hash:
85855cd278c43f55ae386f92e584fc6f
SHA1 hash:
ca00ac6fd54bf7e5a1710981e9857451abc8b617
Detections:
win_formbook_g0
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win_formbook_auto
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FormBook
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Link:
https://www.unpac.me/results/e3ea7fa4-03ad-4546-be7c-487871436ed1/
Parent samples :
cb2fe19cf830c90e1619bf31283d4abb68ac50e20eb0897891c6ce2ab6ba803f
15dcdfbd4c4fa20ce82cff55159ae0276c9cce9f487a340681f77234f0d64a3b
941b5d0273cb5958fd40a02b5251393140f8b72725e29cc1889bcf66cd3d0c54
03674981113e278ddd535c0c2f1be91ab6f65533a3cd69efd7a0e5ff9eb1957d
18061c8a31f3728962bed4acb1806d2c87cfcefe616e4003fe8c9569e6877a8b
dba99585218765f78dddf353fa0bc8cda522649bb25e13d71dfcd316e5d7c3f1
SH256 hash:
9927be8c2d3654367eb8cfe8b9b0223e9781d93590fced30d03e2a769a482186
MD5 hash:
5417982ede9fb0fee6d5510fa3ba7c3e
SHA1 hash:
f7a6f6c1224525af639d22e700e346cdf246ef8f
Link:
https://www.unpac.me/results/e3ea7fa4-03ad-4546-be7c-487871436ed1/
SH256 hash:
0703dd9af3ec1859957c883292b39e3bdf5d984319ccfed682937ef4136b2152
MD5 hash:
ee5292fb39b2381bbf6d6adcae2a1890
SHA1 hash:
ed968408ba11603b679de5c3ed55c9f1691b79e0
Link:
https://www.unpac.me/results/e3ea7fa4-03ad-4546-be7c-487871436ed1/
SH256 hash:
39c2d879c57f07305ce60412dc8a88f02e51f1a14a06cc605768d1d7f5313807
MD5 hash:
db51fe170a9e5d6ec5429a2fbd9d0353
SHA1 hash:
e30a58125fc41322db6cf2ccb6a6d414ed379016
Link:
https://www.unpac.me/results/e3ea7fa4-03ad-4546-be7c-487871436ed1/
SH256 hash:
9a1a00a9c01ec767a0c2e40f8823790b2c50612b494e5c7f8981035a435a1bec
MD5 hash:
7a67f30376534220d4acb0de4f22a0a8
SHA1 hash:
72b3850d8971f5c8e5435cf4dbc37460ed490f87
Link:
https://www.unpac.me/results/e3ea7fa4-03ad-4546-be7c-487871436ed1/
SH256 hash:
dba99585218765f78dddf353fa0bc8cda522649bb25e13d71dfcd316e5d7c3f1
MD5 hash:
fb399b6632892d4e8ec9e0f7855cdef9
SHA1 hash:
a117ae3562ee7ab10460312aea893bfd47af40f6
Link:
https://www.unpac.me/results/e3ea7fa4-03ad-4546-be7c-487871436ed1/
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/dba99585218765f78dddf353fa0bc8cda522649bb25e13d71dfcd316e5d7c3f1

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 dba99585218765f78dddf353fa0bc8cda522649bb25e13d71dfcd316e5d7c3f1

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/294202/

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