MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 70690df30efa9d014efe9d9d64203dee1540a18d2b45d490cb0db005c9c7cf82. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 70690df30efa9d014efe9d9d64203dee1540a18d2b45d490cb0db005c9c7cf82
SHA3-384 hash: a285073723d9c230db073fa13ed4fdbce34c230c3a6973c01602797baf1174327792fa18e14780256d4be77cc91641d9
SHA1 hash: 2baba38a90dac380984038e3152238e8e9ed8f1d
MD5 hash: d8eca41793863138a4535cb0aec3ace4
humanhash: mobile-coffee-georgia-december
File name:Salary Receipt_27845-pdf (3).exe
Download: download sample
Signature Formbook
Create hunting rule
File size:328'740 bytes
First seen:2021-12-08 15:10:03 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 7fa974366048f9c551ef45714595665e (946 x Formbook, 398 x Loki, 261 x AgentTesla)
ssdeep 6144:jGi+wtY2q77/yQcQxwkv83dXp2YhJcAFDEaeIHhVD4jfEUiLppOX+zxs+qcZad:YHrcQxww83dXplTEaeIMjfEUUVzOkZS
Threatray 12'157 similar samples on MalwareBazaar
TLSH T1C464136A8F8906B5C1500D3312738727B5ADE60B43E876139FE4DF7A5394492CB1AFCA
File icon (PE):PE icon
dhash icon 1319410321597961 (5 x Formbook)
Reporter cocaman
Tags:exe FormBook


Avatar
cocaman
Malicious email (T1566.001)
From: "HR Manager lgpartner.ch <hr-hr-manager@null.net>" (likely spoofed)
Received: "from ns1.omnis.com (unknown [38.103.244.230]) "
Date: "8 Dec 2021 05:15:51 -0500"
Subject: "YOUR EMPLOYMENT STATUS "
Attachment: "Salary Receipt_27845-pdf (3).exe"

Intelligence

File Origin
# of uploads :
1
# of downloads :
127
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Salary Receipt_27845-pdf (3).exe
Verdict:
Malicious activity
Analysis date:
2021-12-08 15:16:14 UTC
Tags:
installer trojan formbook stealer
Link:
https://app.any.run/tasks/11ce0d28-0d68-4598-a6f8-f2ca15219bb3

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/212501/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Delayed reading of the file
Creating a window
Creating a file in the %temp% directory
Creating a file
Unauthorized injection to a recently created process
Launching a process
Searching for synchronization primitives
Сreating synchronization primitives
Launching cmd.exe command interpreter
DNS request
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/1337/overview
Behaviour
MalwareBazaar
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
75%
Tags:
overlay packed
Link:
https://www.filescan.io/uploads/61b0cace4d8e6f3a5e19a43d/reports/05cf5db9-2772-4b44-87e4-6670978ff6ec/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:
Generic Malware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/339e2f04-ef70-46bc-ab53-cc22a252410c
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/903942
Signature
Antivirus detection for URL or domain
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 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 delete
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 FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 536420 Sample: Salary Receipt_27845-pdf (3).exe Startdate: 08/12/2021 Architecture: WINDOWS Score: 100 31 www.760morgan.info 2->31 33 760morgan.info 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 11 Salary Receipt_27845-pdf (3).exe 17 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\Local\...\lxtxuumnk.dll, PE32 11->29 dropped 59 Injects a PE file into a foreign processes 11->59 15 Salary Receipt_27845-pdf (3).exe 11->15         started        signatures6 process7 signatures8 61 Modifies the context of a thread in another process (thread injection) 15->61 63 Maps a DLL or memory area into another process 15->63 65 Sample uses process hollowing technique 15->65 67 Queues an APC in another process (thread injection) 15->67 18 explorer.exe 15->18 injected process9 dnsIp10 35 shops.myfunpinpin.com 104.18.26.58, 49785, 80 CLOUDFLARENETUS United States 18->35 37 www.sanot.top 18->37 39 4 other IPs or domains 18->39 49 System process connects to network (likely due to code injection or exploit) 18->49 22 help.exe 18->22         started        signatures11 process12 signatures13 51 Self deletion via cmd delete 22->51 53 Modifies the context of a thread in another process (thread injection) 22->53 55 Maps a DLL or memory area into another process 22->55 57 Tries to detect virtualization through RDTSC time measurements 22->57 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/70690df30efa9d014efe9d9d64203dee1540a18d2b45d490cb0db005c9c7cf82/
Threat name:
Win32.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2021-12-08 07:38:05 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
25 of 45 (55.56%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=obuq34yo7koqctx6twowiib55ykubimnfnc5jeglbwyalsohz6ba._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
02200a888ae3b3b018219697a06804f922e99d2e4e2dc95bbfb6058ccdad069c
Formbook
79ff3adbc3c3d3bded849b527e4e0d8b0d0b8fb89479931eb18871ea3c74e1cb
Formbook
880d9d46e74d9f2a0c870d561b9f310478e507376a2b0091983c81800ac92906
Formbook
8a7a6b61fbbf494613436cfed3e686c9504f6d36489d67dccb1e050bc262c93a
Formbook
a6b1721d8c0dde85f0b0bd080818c3c34616e990da2b879c3e3a01d8c56aaf6c
Formbook
b1d88c91d7c5733e887c63ce1372b3918dfacd589756056969b1b0cc84c7f658
Formbook
b94594b975025469886d9e5a2a2f119e5f8a9f7b82ae24226499efb7d954a061
Formbook
c781169f80930851f2174df529d1aaba061c45fd7ef90c5059a7c513bfda3414
Formbook
e2682ee08233df5afc90d9295165ffed0373e4f34278d99d5a30622c2577639b
Formbook
+ 12'147 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:l3ld rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/211208-sj21rshcbn/
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 WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Loads dropped DLL
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.peacepresidentunited.com/l3ld/
Unpacked files
SH256 hash:
70690df30efa9d014efe9d9d64203dee1540a18d2b45d490cb0db005c9c7cf82
MD5 hash:
d8eca41793863138a4535cb0aec3ace4
SHA1 hash:
2baba38a90dac380984038e3152238e8e9ed8f1d
Link:
https://www.unpac.me/results/684692e9-36af-4b8d-80eb-b3ce0ea9a186/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.33
Link:
https://yomi.yoroi.company/submissions/70690df30efa9d014efe9d9d64203dee1540a18d2b45d490cb0db005c9c7cf82

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:crime_win32_ransom_avaddon_1
Create hunting rule
Author:@VK_Intel
Description:Detects Avaddon ransomware
Reference:https://twitter.com/VK_Intel/status/1300944441390370819
Rule name:Formbook
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
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:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information

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

Malspam

Formbook

Executable exe 70690df30efa9d014efe9d9d64203dee1540a18d2b45d490cb0db005c9c7cf82

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/212501/

Comments