MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5626c5f1a12aab3a33f563cfb81f764a23232c00d6a6bb05f08b84a0fcfdf302. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5626c5f1a12aab3a33f563cfb81f764a23232c00d6a6bb05f08b84a0fcfdf302
SHA3-384 hash: 1140ad41a2b1080b6b314a251b225121a86b5ad0eb70ca0a13fca7d9635376caf64a0c89fa3d8507f8f740e36ea1490a
SHA1 hash: ad85ed8b1c859a6cd7b78bf1646bc2f49d705772
MD5 hash: 2374c7401270004f5ffbf28af853a486
humanhash: hot-washington-twelve-pip
File name:order confirmation-pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:736'256 bytes
First seen:2022-05-31 18:27:13 UTC
Last seen:2022-05-31 19:57:37 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:Ci2phU4RxzxMqYhI7Wjxf9I/5xpTRhGqVlpHezDNhgB1z5x0XK0l+GttCG5HQ:hgxlkhI2n8rpNnVlpHOEbj0pZ15
TLSH T183F40159F7F8CB22D3990633C4D7051003B1E88AD627D71B3AE5ABE61D033AB8D4675A
TrID 61.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.0% (.SCR) Windows screen saver (13101/52/3)
8.8% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon 70f8ecccece87070 (15 x Formbook, 9 x AgentTesla, 8 x Loki)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
355
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
order confirmation-pdf.exe
Verdict:
Malicious activity
Analysis date:
2022-05-31 18:37:58 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/9b732678-c75f-4b37-94e7-31ec162a64df

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/275798/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.39718014.7682.28928.UNOFFICIAL
Create hunting rule

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
Unauthorized injection to a recently created process
Creating a file
Searching for synchronization primitives
Launching cmd.exe command interpreter
Enabling autorun by creating a file
Unauthorized injection to a system process
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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/75588ef3-3ca7-4f9d-a844-3afe63234104
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1004490
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
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 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 dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd or bat file
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: 636986 Sample: order confirmation-pdf.exe Startdate: 31/05/2022 Architecture: WINDOWS Score: 100 50 Found malware configuration 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 Multi AV Scanner detection for dropped file 2->54 56 14 other signatures 2->56 10 order confirmation-pdf.exe 7 2->10         started        process3 file4 38 C:\Users\user\AppData\...\RCxyLNloJBbqxr.exe, PE32 10->38 dropped 40 C:\...\RCxyLNloJBbqxr.exe:Zone.Identifier, ASCII 10->40 dropped 42 C:\Users\user\AppData\Local\...\tmp478D.tmp, XML 10->42 dropped 44 C:\Users\...\order confirmation-pdf.exe.log, ASCII 10->44 dropped 60 Adds a directory exclusion to Windows Defender 10->60 62 Injects a PE file into a foreign processes 10->62 14 order confirmation-pdf.exe 10->14         started        17 powershell.exe 25 10->17         started        19 schtasks.exe 1 10->19         started        21 order confirmation-pdf.exe 10->21         started        signatures5 process6 signatures7 64 Modifies the context of a thread in another process (thread injection) 14->64 66 Maps a DLL or memory area into another process 14->66 68 Sample uses process hollowing technique 14->68 70 Queues an APC in another process (thread injection) 14->70 23 explorer.exe 14->23 injected 27 conhost.exe 17->27         started        29 conhost.exe 19->29         started        process8 dnsIp9 46 www.osoproductionsruidoso.com 23->46 48 192.168.2.1 unknown unknown 23->48 58 System process connects to network (likely due to code injection or exploit) 23->58 31 msdt.exe 23->31         started        signatures10 process11 signatures12 72 Self deletion via cmd or bat file 31->72 74 Modifies the context of a thread in another process (thread injection) 31->74 76 Maps a DLL or memory area into another process 31->76 78 Tries to detect virtualization through RDTSC time measurements 31->78 34 cmd.exe 1 31->34         started        process13 process14 36 conhost.exe 34->36         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/5626c5f1a12aab3a33f563cfb81f764a23232c00d6a6bb05f08b84a0fcfdf302/
Threat name:
ByteCode-MSIL.Trojan.NanoBot
Create hunting rule
Status:
Malicious
First seen:
2022-05-31 12:37:48 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=kytml4nbfkvtum7vmph3qh3wjirsglaa22tlwbpqrockb7h56mba._file
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:ae25 rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220531-w4azkafgck/
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
Checks computer location settings
Deletes itself
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
930ad9d2cb793005580bfce82af3f49650d738e691a6a9aef537d8d3d47516a1
MD5 hash:
d1c4c7f310fb64891a1cdfedd62eeed1
SHA1 hash:
9b89d545bb9b25dd43fba3eb0b695ce186c29271
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/6e12d54d-1ed7-4fc4-9c43-814e849e6bb8/
Parent samples :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 hash:
64c54146b2c3b57571e903b9a37eeb278cc1af60ae462dd5493508d6281d0d66
MD5 hash:
bb04dadfe563e5c09fe2ea470c3b8c64
SHA1 hash:
a120b6dec742e95064bf1f0e1bf09758668a1611
Link:
https://www.unpac.me/results/6e12d54d-1ed7-4fc4-9c43-814e849e6bb8/
SH256 hash:
769a9f9fa395830353cb803711f8925f81d2910b0e240e0ad2408e0f9de9a2d3
MD5 hash:
3eb3e9f18ad980fa2485f413879c1e0e
SHA1 hash:
9d415f70405bc850524d40ab67b2ba3c16620213
Link:
https://www.unpac.me/results/6e12d54d-1ed7-4fc4-9c43-814e849e6bb8/
SH256 hash:
7db681cb2c2995e3ccab6abf8178f228350cba1e2d1d34cb73eeb4f5e39a56ed
MD5 hash:
305cbd7a035a58e68f4de3cdb044e067
SHA1 hash:
9998edd1ad1340cc5c35f261db4656881244c97c
Link:
https://www.unpac.me/results/6e12d54d-1ed7-4fc4-9c43-814e849e6bb8/
SH256 hash:
879c29560b21be7d9b69ca27ca4756df86e080fa3e34cb191aad5cb1e5f05504
MD5 hash:
30b6a54a992eae921a2eb8c5ea130911
SHA1 hash:
1c83f0319bffe007077c6656418c9b7344d5affe
Link:
https://www.unpac.me/results/6e12d54d-1ed7-4fc4-9c43-814e849e6bb8/
SH256 hash:
5626c5f1a12aab3a33f563cfb81f764a23232c00d6a6bb05f08b84a0fcfdf302
MD5 hash:
2374c7401270004f5ffbf28af853a486
SHA1 hash:
ad85ed8b1c859a6cd7b78bf1646bc2f49d705772
Link:
https://www.unpac.me/results/6e12d54d-1ed7-4fc4-9c43-814e849e6bb8/
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/5626c5f1a12aab3a33f563cfb81f764a23232c00d6a6bb05f08b84a0fcfdf302

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
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 5626c5f1a12aab3a33f563cfb81f764a23232c00d6a6bb05f08b84a0fcfdf302

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/275798/

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