MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 77a001f7d410c04d71c229ad7c3c07fc7a9a50943c0a7adcd080a0c93d2abaa9. 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: 16


Intelligence 16 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 77a001f7d410c04d71c229ad7c3c07fc7a9a50943c0a7adcd080a0c93d2abaa9
SHA3-384 hash: 3d1b7b34fa993756a1c1340b6301b89e45ef47c3e4ba0cc2783d44806d0c240fe3b347706b5017d6333a9e4498e5bc4c
SHA1 hash: ec8638b941f0ae47f0727dd718690639fab0bf22
MD5 hash: e1ab0094c29ed433ad4ea0a06dd421c3
humanhash: item-mirror-purple-eleven
File name:invoice..exe
Download: download sample
Signature Formbook
Create hunting rule
File size:196'715 bytes
First seen:2022-04-29 04:01:19 UTC
Last seen:2022-04-29 04:12:13 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 56a78d55f3f7af51443e58e0ce2fb5f6 (719 x GuLoader, 451 x Formbook, 295 x Loki)
ssdeep 3072:l1NjcVVnLpPunbJRdtUG3nJ4X2oppsCXS2yrbgIcTjd0HkxUdd9rxu0Xi2byxS:HNeZmJ+anu5ppsCMgl3d0HFbuAv
Threatray 15'432 similar samples on MalwareBazaar
TLSH T1A714024469A4C073D5A39B312E366B7B8FF9B96602714B0F03A06F0D79736829E2D395
TrID 48.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
16.4% (.EXE) Win64 Executable (generic) (10523/12/4)
10.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.0% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence

File Origin
# of uploads :
2
# of downloads :
306
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
invoice..exe
Verdict:
Malicious activity
Analysis date:
2022-04-29 04:04:17 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/9996ad7a-040d-4d29-a669-cdcbd0ea03b3

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/267676/
Detection(s):
SecuriteInfo.com.Trojan.NSISX.Spy.Gen.2.6896.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Creating a file in the %temp% directory
Creating a process from a recently created file
Сreating synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Searching for synchronization primitives
DNS request
Sending an HTTP GET request
Sending a custom TCP request
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control.exe formbook nemesis overlay packed python shell32.dll
Link:
https://www.filescan.io/uploads/626b633b8d02701a7e90f151/reports/25bf21c6-125f-42ef-908e-4514ca05c605/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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/edc8ca37-522b-43b8-9bd7-c25f03b3cbee
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/985210
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Executable has a suspicious name (potential lure to open the executable)
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
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 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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Suspicious Characters in CommandLine
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Uses netsh to modify the Windows network and firewall settings
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 617706 Sample: invoice..exe Startdate: 29/04/2022 Architecture: WINDOWS Score: 100 49 Snort IDS alert for network traffic 2->49 51 Multi AV Scanner detection for domain / URL 2->51 53 Found malware configuration 2->53 55 9 other signatures 2->55 11 invoice..exe 18 2->11         started        process3 file4 31 C:\Users\user\AppData\Local\...\pambfpapq.exe, PE32 11->31 dropped 33 C:\Users\user\AppData\Local\Temp\wetmc, data 11->33 dropped 14 pambfpapq.exe 11->14         started        process5 signatures6 69 Multi AV Scanner detection for dropped file 14->69 71 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 14->71 73 Tries to detect virtualization through RDTSC time measurements 14->73 75 Injects a PE file into a foreign processes 14->75 17 pambfpapq.exe 14->17         started        process7 signatures8 41 Modifies the context of a thread in another process (thread injection) 17->41 43 Maps a DLL or memory area into another process 17->43 45 Sample uses process hollowing technique 17->45 47 Queues an APC in another process (thread injection) 17->47 20 explorer.exe 17->20 injected process9 dnsIp10 35 www.massanyakudachiblog.com 183.181.96.122, 49804, 80 SAKURA-CSAKURAInternetIncJP Japan 20->35 37 www.pauschalreisen.xyz 203.170.80.250, 80 DREAMSCAPE-AS-APDreamscapeNetworksLimitedAU Australia 20->37 39 6 other IPs or domains 20->39 57 System process connects to network (likely due to code injection or exploit) 20->57 59 Performs DNS queries to domains with low reputation 20->59 61 Uses netsh to modify the Windows network and firewall settings 20->61 24 netsh.exe 20->24         started        signatures11 process12 signatures13 63 Modifies the context of a thread in another process (thread injection) 24->63 65 Maps a DLL or memory area into another process 24->65 67 Tries to detect virtualization through RDTSC time measurements 24->67 27 cmd.exe 1 24->27         started        process14 process15 29 conhost.exe 27->29         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/77a001f7d410c04d71c229ad7c3c07fc7a9a50943c0a7adcd080a0c93d2abaa9/
Threat name:
Win32.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2022-04-28 04:51:53 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
22 of 41 (53.66%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=o6qad56ucdae24ocfgwxypah7r5juueuhqfhvxgqqcqmspjkxkuq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0b85c9aab7c6140599d8173317ba27c91694f2ebc33cdd8559ff462d7fef1c27
Formbook
2d79a5c2368aba8773c00aa3dcfaa0eaf9fe2f80f15bdda080abeb4988940e1b
Formbook
69785e004f3bf684c91c8f188058022933f954154f42d4dc41047be3713397ea
Formbook
7b95105b71a0dbe7c8e10d0c795271c57e16c5425543351d2d7ac74732624b7a
Formbook
842a75ab92773e52741160c011f7265b489d57d82bdb8e1e6a5582b8852d8f3d
Formbook
84c208a81f0251fddaaafd620cbcbf4e004cf195c1bb3e72a4200669a7f50859
Formbook
8f4a5af16c851db0d2a640ae0c1d6294d603d8995bf7666424388daa0c910fbf
Formbook
95c6926c4af01e7a782b16967a66b3c349f24a6ab2393b1a20c47e28a1ad7249
Formbook
e649ef1ecf0e0daefe140fa78271435271c8d55607f8365ddef4d94b66bfdfdd
Formbook
+ 15'422 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:3e9r loader rat suricata
Link:
https://tria.ge/reports/220429-elscfsgfe6/
Behaviour
Gathers network information
Modifies registry class
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
Loads dropped DLL
Blocklisted process makes network request
Executes dropped EXE
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
f3676ce5fdcf3c851834336dda7b38ad174644b0a794234a0f1d2e55512f7176
MD5 hash:
8bf113bc6b32cd9f8b2465345612f7c6
SHA1 hash:
7932224cfcf575bb73a586a4738cc0f2aeae86fd
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/25977a4f-1dc8-403a-a972-6a86ad63d7c9/
Parent samples :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 hash:
5f74a2773088ecdbf8bf86996b5ecf68356d8bad0660ba716c78632676d5ea70
MD5 hash:
2c614f4769bc4bcb253d312f437a7ec6
SHA1 hash:
1e8f81a1f94e88c3de0f4f85b363701c748fece2
Link:
https://www.unpac.me/results/25977a4f-1dc8-403a-a972-6a86ad63d7c9/
SH256 hash:
30346331d9ef29e8a5963ed2299828288128d4b4f489edd6d1c04fbabf5f131d
MD5 hash:
cca3ac246be3de034dc37288386b2001
SHA1 hash:
5ffcbfee698dbecbc9a76f02e9ed58a76747513f
Link:
https://www.unpac.me/results/25977a4f-1dc8-403a-a972-6a86ad63d7c9/
SH256 hash:
77a001f7d410c04d71c229ad7c3c07fc7a9a50943c0a7adcd080a0c93d2abaa9
MD5 hash:
e1ab0094c29ed433ad4ea0a06dd421c3
SHA1 hash:
ec8638b941f0ae47f0727dd718690639fab0bf22
Link:
https://www.unpac.me/results/25977a4f-1dc8-403a-a972-6a86ad63d7c9/
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/77a001f7d410c04d71c229ad7c3c07fc7a9a50943c0a7adcd080a0c93d2abaa9

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:malware_Formbook_strings
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
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 77a001f7d410c04d71c229ad7c3c07fc7a9a50943c0a7adcd080a0c93d2abaa9

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/267676/

Comments