MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 add90f420c37b1391d4e3c22020c664c36a0dc0e0b6c43bfcc2a5f092fa18f0c. 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 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: add90f420c37b1391d4e3c22020c664c36a0dc0e0b6c43bfcc2a5f092fa18f0c
SHA3-384 hash: c7340cf09ee29e94784db9d609812eb3bb701e75ce297a9dd72dc824b51159733ed34b407b080e9b69bd13aed6873def
SHA1 hash: ec148f7b11b618bb676ca7466356bbe8bb786ea7
MD5 hash: 1aa9f8e1312459e787e981d64d6c72ef
humanhash: mike-jersey-three-rugby
File name:Proforma Invoice#2796_xlsx.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:246'846 bytes
First seen:2022-04-05 06:31:58 UTC
Last seen:2022-04-05 11:41:58 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 56a78d55f3f7af51443e58e0ce2fb5f6 (728 x GuLoader, 451 x Formbook, 295 x Loki)
ssdeep 6144:HNeZmqGYuQ88PsPY17pz/8StZD+FH+TsOC4Qn:HNlNYYysqVjLZD+xaCLn
Threatray 14'616 similar samples on MalwareBazaar
TLSH T1BB3412645581C067D4D1C3335CB95B7AEBBAE31420B22B4F1B119F9DBD38A42861FBE2
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter cocaman
Tags:exe FormBook payment

Intelligence

File Origin
# of uploads :
3
# of downloads :
209
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/260851/
Detection(s):
SecuriteInfo.com.Trojan.Siggen17.34380.31315.11715.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
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Searching for synchronization primitives
Sending a custom TCP request
Reading critical registry keys
Setting browser functions hooks
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
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/12664/overview
Behaviour
MalwareBazaar
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
control.exe overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/624be270db9ca5cf842255c2/reports/423435d9-4bb4-488b-a689-94e2a1468974/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/ce95a0d9-db19-4db5-975c-970a791e875e
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/970608
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 malware configuration
Initial sample is a PE file and has a suspicious name
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 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
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 signatures2 2 Behavior Graph ID: 603096 Sample: Proforma Invoice#2796_xlsx.exe Startdate: 05/04/2022 Architecture: WINDOWS Score: 100 47 Multi AV Scanner detection for domain / URL 2->47 49 Found malware configuration 2->49 51 Malicious sample detected (through community Yara rule) 2->51 53 8 other signatures 2->53 11 Proforma Invoice#2796_xlsx.exe 18 2->11         started        process3 file4 31 C:\Users\user\AppData\Local\...\tcwyjacgu.exe, PE32 11->31 dropped 14 tcwyjacgu.exe 11->14         started        process5 signatures6 65 Multi AV Scanner detection for dropped file 14->65 67 Tries to detect virtualization through RDTSC time measurements 14->67 17 tcwyjacgu.exe 14->17         started        process7 signatures8 39 Modifies the context of a thread in another process (thread injection) 17->39 41 Maps a DLL or memory area into another process 17->41 43 Sample uses process hollowing technique 17->43 45 Queues an APC in another process (thread injection) 17->45 20 explorer.exe 17->20 injected process9 dnsIp10 33 caryedekparca.com 95.173.190.224, 49792, 80 NETINTERNETNetinternetBilisimTeknolojileriASTR Turkey 20->33 35 www.venatus.xyz 104.21.69.120, 49789, 80 CLOUDFLARENETUS United States 20->35 37 www.caryedekparca.com 20->37 55 System process connects to network (likely due to code injection or exploit) 20->55 57 Performs DNS queries to domains with low reputation 20->57 24 mstsc.exe 20->24         started        signatures11 process12 signatures13 59 Modifies the context of a thread in another process (thread injection) 24->59 61 Maps a DLL or memory area into another process 24->61 63 Tries to detect virtualization through RDTSC time measurements 24->63 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/add90f420c37b1391d4e3c22020c664c36a0dc0e0b6c43bfcc2a5f092fa18f0c/
Threat name:
Win32.Trojan.NSISInject
Create hunting rule
Status:
Malicious
First seen:
2022-04-04 16:33:18 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
25 of 41 (60.98%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=vxmq6qqmg6ytshkohqraeddgjq3kbxaobnwehp6mfjpqsl5br4ga._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
3c0036c86eda77a41369d7727d4825c280a8a32641e66bdb4b67e80d95ced9f0
Formbook
4d11816de1a6429b0fa2f9754f7e51e45a6afb350ddd5b806974b629e8fc6fc3
Formbook
4e928ac3e9f7561e6ffe01ded9a72973da0282a4fbb07c3f94cbc2b40bdb13f3
Formbook
6bd24ce0a16599d97686146c6a822023f0f4896fcee914eed9a4e45a7e46b864
Formbook
8c8afc7e873c1fc04cfc9cc2331ed6f46dad4defd1158e39f10258ee4b477758
Formbook
8ee14be97acb9a642ba750f83102361ffa086aeeb3b802531259332fa14e5484
Formbook
945f67ae677681e14db036f753f47333556fea6f3837bef7399e440e6bc167d5
Formbook
e99eb13ad6ea14742e5e62076e912de73cfd9b27ae3152cd8c84bcfbfe491894
Formbook
+ 14'606 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:r75h rat spyware stealer trojan
Link:
https://tria.ge/reports/220405-halx3safd2/
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
Loads dropped DLL
Executes dropped EXE
Formbook Payload
Formbook
Unpacked files
SH256 hash:
5828f46a74d4e565f97c0209f69dc98feaa553c0429c6b75deef1aa42574e0dc
MD5 hash:
3628854688b17f372f94492a92ce4e99
SHA1 hash:
aad21da93f4d65cd081170b45cc53d6a904aa3d2
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/47effd10-3f25-4f0d-8728-059aedc0433c/
Parent samples :
4e928ac3e9f7561e6ffe01ded9a72973da0282a4fbb07c3f94cbc2b40bdb13f3
8c8afc7e873c1fc04cfc9cc2331ed6f46dad4defd1158e39f10258ee4b477758
90a94c8fc04be1d50454c2bc82163be02335f3a05c001b0aa4d2cab14185135f
595aeb742ed58096ce56f0d2b211914d1a32bf1f56fa28e9ac64edf7cb335a9f
add90f420c37b1391d4e3c22020c664c36a0dc0e0b6c43bfcc2a5f092fa18f0c
74629548435c5209dc523d8e9ae8de11527f646205937d7f645d7db4fe8dfbc0
SH256 hash:
839573b80a51b02324ac244668c3d41ea021e4e758273fab5a93c98a746a97e4
MD5 hash:
40bec53fddcf527273111d1826ef61f4
SHA1 hash:
b2364716917cc5a24bc31b9a0a6bbcc19864cf85
Link:
https://www.unpac.me/results/47effd10-3f25-4f0d-8728-059aedc0433c/
SH256 hash:
add90f420c37b1391d4e3c22020c664c36a0dc0e0b6c43bfcc2a5f092fa18f0c
MD5 hash:
1aa9f8e1312459e787e981d64d6c72ef
SHA1 hash:
ec148f7b11b618bb676ca7466356bbe8bb786ea7
Link:
https://www.unpac.me/results/47effd10-3f25-4f0d-8728-059aedc0433c/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/add90f420c37/report/overview.html
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/add90f420c37b1391d4e3c22020c664c36a0dc0e0b6c43bfcc2a5f092fa18f0c

File information

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

Malspam

Formbook

arj 6dbb568a27ba00004d455a2bd66439c2fca1f9948fc6f4c19371862ea2d8c25e

Formbook

Executable exe add90f420c37b1391d4e3c22020c664c36a0dc0e0b6c43bfcc2a5f092fa18f0c

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 6dbb568a27ba00004d455a2bd66439c2fca1f9948fc6f4c19371862ea2d8c25e
Cape
Cape
https://www.capesandbox.com/analysis/260851/

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