MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dcea3ce074a9cc06d03641b052fe3a3f81abb72c480de228b8664dade74c4dce. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: dcea3ce074a9cc06d03641b052fe3a3f81abb72c480de228b8664dade74c4dce
SHA3-384 hash: 714ca8a76e516ebd3d66d67c09a11b342cd5dd0ab8e3555ed512aca30831873da415197b586de7f933f0ee07174e73a7
SHA1 hash: 5a6a6722ebbfe72bef9c9b400d4833c0ac2314dc
MD5 hash: 639b33ba33e703b4b7f1d4d4d0c43fff
humanhash: yellow-sad-emma-black
File name:proforma.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:209'122 bytes
First seen:2021-04-01 07:24:16 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash ced282d9b261d1462772017fe2f6972b (127 x Formbook, 113 x GuLoader, 70 x RemcosRAT)
ssdeep 3072:KBkfJpRXATwMdFCcXbn24pByOZ8kcZXl0ztpYnL5pYmQMkkwO6e9z817Vdf/D8BH:KqjIFPyOYXMtXMlbV67Vdf/gAOKe
Threatray 4'480 similar samples on MalwareBazaar
TLSH 5E14121A3AB0D5B3C76346346A3A694AEFF9D43F0472064B1B640FE93E556C39F8D482
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: vps.aw-himpelar.com
Sending IP: 185.121.120.150
From: Olivia Rodrigues <olivia.rodrigues@bequisa.com>
Subject: Proforma Invoice/Highlighting Overdue Balance-20739, S181911
Attachment: proforma invoice.cab (contains "proforma.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
113
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
proforma.exe
Verdict:
Malicious activity
Analysis date:
2021-04-01 08:13:51 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/6adcb883-a7b8-4c04-a54c-92e07083ad7d

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/130510/
Detection(s):
SecuriteInfo.com.W32.AIDetect.malware2.14067.3445.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a file
Unauthorized injection to a recently created process
Sending a UDP request
Launching a process
Launching cmd.exe command interpreter
DNS request
Sending an HTTP GET request
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.
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/661881
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Found malware configuration
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 FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 379875 Sample: proforma.exe Startdate: 01/04/2021 Architecture: WINDOWS Score: 100 31 www.www-1360666.com 2->31 33 www.sgfwholesale.net 2->33 35 3 other IPs or domains 2->35 43 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->43 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 5 other signatures 2->49 11 proforma.exe 18 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\Local\...\1ycxmm8.dll, PE32 11->29 dropped 59 Detected unpacking (changes PE section rights) 11->59 61 Maps a DLL or memory area into another process 11->61 63 Tries to detect virtualization through RDTSC time measurements 11->63 15 proforma.exe 11->15         started        signatures6 process7 signatures8 65 Modifies the context of a thread in another process (thread injection) 15->65 67 Maps a DLL or memory area into another process 15->67 69 Sample uses process hollowing technique 15->69 71 Queues an APC in another process (thread injection) 15->71 18 explorer.exe 15->18 injected process9 dnsIp10 37 www.imangine.com 156.225.32.63, 49746, 80 XIAOZHIYUN1-AS-APICIDCNETWORKUS Seychelles 18->37 39 www.anazaczarowana.com 85.128.128.104, 49741, 80 NAZWAPL Poland 18->39 41 17 other IPs or domains 18->41 51 System process connects to network (likely due to code injection or exploit) 18->51 22 wscript.exe 18->22         started        signatures11 process12 signatures13 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:
n/a
Link:
https://mwdb.cert.pl/sample/dcea3ce074a9cc06d03641b052fe3a3f81abb72c480de228b8664dade74c4dce/
Threat name:
Win32.Trojan.SpyNoon
Create hunting rule
Status:
Malicious
First seen:
2021-04-01 07:25:11 UTC
AV detection:
11 of 43 (25.58%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3tvdzyduvhganubwigyff7r2h6a2xnzmjag6ekfymzg23z2mjxha._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
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Formbook
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Formbook
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Formbook
+ 4'470 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader loader rat
Link:
https://tria.ge/reports/210401-tgy9shekbs/
Behaviour
Gathers network information
Suspicious behavior: EnumeratesProcesses
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
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.emergencylocksmithsolutions.com/bei3/
Unpacked files
SH256 hash:
ceba7e6caab3b7de909e15c3680006be52bd5efd3c69e80dc1905e1a1e417da3
MD5 hash:
c1d63c6fd603e6a7e7376934f4fbff12
SHA1 hash:
4a8b93242851c19c5ca86c5e70bf410d5c49d206
Link:
https://www.unpac.me/results/8398fa21-d91e-444b-9854-deefc5ea54d7/
SH256 hash:
dcea3ce074a9cc06d03641b052fe3a3f81abb72c480de228b8664dade74c4dce
MD5 hash:
639b33ba33e703b4b7f1d4d4d0c43fff
SHA1 hash:
5a6a6722ebbfe72bef9c9b400d4833c0ac2314dc
Link:
https://www.unpac.me/results/8398fa21-d91e-444b-9854-deefc5ea54d7/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.47
Link:
https://yomi.yoroi.company/submissions/dcea3ce074a9cc06d03641b052fe3a3f81abb72c480de228b8664dade74c4dce

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

File information

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

Malspam

Formbook

cab e717921034eb9700fb789814facfe0588d45daea7c500a9e8a0e8b53a1d5574d

Formbook

Executable exe dcea3ce074a9cc06d03641b052fe3a3f81abb72c480de228b8664dade74c4dce

(this sample)

  
Dropped by
MD5 34ac7e76e1e256e70a0408c4e65777f7
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/130510/
  
Dropped by
SHA256 e717921034eb9700fb789814facfe0588d45daea7c500a9e8a0e8b53a1d5574d

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