MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1b8900c6d6fef0ae6e5d73dc10214310f106f786274098e2fb80b219b257c215. 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 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1b8900c6d6fef0ae6e5d73dc10214310f106f786274098e2fb80b219b257c215
SHA3-384 hash: d79728436e6114039419c3d81159ebb9c4db9c883a05725637b2d155906d6c658eb0f7869675951a54d9b0fde0fb58b6
SHA1 hash: 788396e1fed6fa5c9096bc619df2e8d24674fee2
MD5 hash: cc7bde2c278e99107f6e99a0443c5468
humanhash: carpet-zebra-nine-twelve
File name:Invoice.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:871'424 bytes
First seen:2021-04-26 09:35:45 UTC
Last seen:2021-04-26 10:52:34 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 12288:t5UnUEs4f3Z2Qs21uHbp9HaOG9TCu3gJVFFGA/ULjuQUShzbPtR6nau9z3GsLmVW:QUX+JKHbpcORLFFguQrfFR6nauRGsL
Threatray 4'897 similar samples on MalwareBazaar
TLSH AA0501322B18EF55D83E877E9062581403F7D806FB67EA4DBEE940DC056BA8503B3A57
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
113
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Invoice.exe
Verdict:
Malicious activity
Analysis date:
2021-04-26 09:38:17 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/0eaf060b-758b-4dff-9399-fa09619edfa2

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/144276/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.680.29042.8637.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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/697671
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
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 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)
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 sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 397755 Sample: Invoice.exe Startdate: 26/04/2021 Architecture: WINDOWS Score: 100 31 www.projectweho.com 2->31 33 projectweho.com 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 10 other signatures 2->47 11 Invoice.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\Invoice.exe.log, ASCII 11->29 dropped 57 Tries to detect virtualization through RDTSC time measurements 11->57 59 Injects a PE file into a foreign processes 11->59 15 Invoice.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 www.gsxguru.com 13.248.216.40, 49744, 80 AMAZON-02US United States 18->35 37 www.wildnectarlandscaping.com 18->37 39 5 other IPs or domains 18->39 49 System process connects to network (likely due to code injection or exploit) 18->49 22 wscript.exe 18->22         started        signatures11 process12 signatures13 51 Modifies the context of a thread in another process (thread injection) 22->51 53 Maps a DLL or memory area into another process 22->53 55 Tries to detect virtualization through RDTSC time measurements 22->55 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/1b8900c6d6fef0ae6e5d73dc10214310f106f786274098e2fb80b219b257c215/
Threat name:
ByteCode-MSIL.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2021-04-26 09:14:22 UTC
AV detection:
11 of 47 (23.40%)
Threat level:
  2/5
Verdict:
malicious
Similar samples:
48e99b563e3e2daea132c5da122ad630f6015456ac58d4fe86f9dc65f6a0c943
Formbook
53cd0bb46c1d8aa4dc128569b2c2b2b13f0d4a1357e464e5eec019a7f11195d6
Formbook
58626b2130d20a2bacbcefa97d06dc1e4d55b123a86a3f074bd2e8212ee60ae8
Formbook
6c2f5bf673b3bbc31cf425259cd5a0262094e85a8bed03714c7b39712efc4beb
Formbook
9269d3cadb8c6197fa6d8cc93549e8f13db426b0b7d84f45923f24e99c429aee
Formbook
9b9218d3692f38654cde45d5a9b01a6d5cb83aa5442c286fc4e073a6348e08d1
Formbook
9f1090c3e94e75b134c1aa55b5e8e2b6ac9b706cd27e0bb1cc44ef4b49f27c66
Formbook
acbc661362c5c74ea45dec851dc46faf865715f15df064f722d945af8a293563
Formbook
c110f212116bda6ac806a97eed8c74a705a7df127ba3cf5579e16e3fe146dfee
Formbook
cad578cb66b96125accf74e291decfbfa2026857ec0efcae51a25ba4cc185ddc
Formbook
+ 4'887 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/210426-r4ym6x23s6/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.boldoval.com/ch65/
Unpacked files
SH256 hash:
e90a19eba5f2de3ba82f652221105bb0682b07c20abddec487c6f4354ea79c39
MD5 hash:
efb0de4397ea61e17d262e278b53ff86
SHA1 hash:
727fdf2ceb13262d56bdda24a02564fb3e80c8b0
Link:
https://www.unpac.me/results/3c91af8e-2ca6-4f2e-ab65-118273ebe22f/
SH256 hash:
1b8900c6d6fef0ae6e5d73dc10214310f106f786274098e2fb80b219b257c215
MD5 hash:
cc7bde2c278e99107f6e99a0443c5468
SHA1 hash:
788396e1fed6fa5c9096bc619df2e8d24674fee2
Link:
https://www.unpac.me/results/3c91af8e-2ca6-4f2e-ab65-118273ebe22f/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/1b8900c6d6fef0ae6e5d73dc10214310f106f786274098e2fb80b219b257c215

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/144276/

Comments