MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7a34ef3a5f0d2db6674d93de3143d2469d8fa06bf450dc4c1609c97822e68f53. 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 3 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7a34ef3a5f0d2db6674d93de3143d2469d8fa06bf450dc4c1609c97822e68f53
SHA3-384 hash: 6cd454f6c0e1f1a043dc82271d0c4eebe069b797ec44cd7384e0d50f0d77d44dab843404c9c38977575413f592b4f13d
SHA1 hash: d87655521e74faaecb380fc8ac338ec5a00b048a
MD5 hash: f177fee6286dc51d2baf18d07c92d216
humanhash: gee-maine-victor-queen
File name:f177fee6286dc51d2baf18d07c92d216
Download: download sample
Signature Formbook
Create hunting rule
File size:599'088 bytes
First seen:2022-05-25 09:31:39 UTC
Last seen:2022-05-25 11:59:05 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:6JqiRxnR449Jk8boeVVWKUBmcFrw7HfIwRN71jdmESajnWjsFCk2b:6RoOD51jnSiSb
Threatray 315 similar samples on MalwareBazaar
TLSH T1D9D4DB2938BA100DB272AE6C6BBC7175911EF7F226365C7B0CF7064A15129F0CB9D627
TrID 69.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.9% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
509
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
specyfikacja.xlsx
Verdict:
Malicious activity
Analysis date:
2022-05-24 03:00:44 UTC
Tags:
encrypted opendir exploit CVE-2017-11882 loader formbook trojan stealer
Link:
https://app.any.run/tasks/79f042e9-ff9f-4994-8012-d57022df1d5b

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/274456/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a file
Сreating synchronization primitives
Launching cmd.exe command interpreter
Searching for synchronization primitives
DNS request
Sending an HTTP GET request
Reading critical registry keys
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
aspnet_compiler.exe control.exe obfuscated overlay packed packed replace.exe
Link:
https://www.filescan.io/uploads/628df7d06eb3ff32632b544d/reports/463e094a-a5e0-4851-a8c8-57459f6aab8b/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/02a25f2a-bfc2-48e2-91b1-ff949e71e942
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1001441
Signature
.NET source code contains very large strings
.NET source code references suspicious native API functions
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Found malware configuration
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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 633935 Sample: jwRbEDUUZC Startdate: 25/05/2022 Architecture: WINDOWS Score: 100 31 www.mentalnayaarifmetika.online 2->31 39 Snort IDS alert for network traffic 2->39 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 7 other signatures 2->45 11 jwRbEDUUZC.exe 1 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\jwRbEDUUZC.exe.log, ASCII 11->29 dropped 55 Writes to foreign memory regions 11->55 57 Allocates memory in foreign processes 11->57 59 Injects a PE file into a foreign processes 11->59 61 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 11->61 15 aspnet_compiler.exe 11->15         started        signatures6 process7 signatures8 63 Modifies the context of a thread in another process (thread injection) 15->63 65 Maps a DLL or memory area into another process 15->65 67 Sample uses process hollowing technique 15->67 69 2 other signatures 15->69 18 explorer.exe 15->18 injected process9 dnsIp10 33 tubesing.com 162.241.253.231, 49805, 80 UNIFIEDLAYER-AS-1US United States 18->33 35 www.yonatec.com 192.185.0.218, 49804, 80 UNIFIEDLAYER-AS-1US United States 18->35 37 8 other IPs or domains 18->37 47 System process connects to network (likely due to code injection or exploit) 18->47 22 cmmon32.exe 18->22         started        signatures11 process12 signatures13 49 Modifies the context of a thread in another process (thread injection) 22->49 51 Maps a DLL or memory area into another process 22->51 53 Tries to detect virtualization through RDTSC time measurements 22->53 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/7a34ef3a5f0d2db6674d93de3143d2469d8fa06bf450dc4c1609c97822e68f53/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2022-05-23 15:23:40 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Verdict:
malicious
Similar samples:
0a5a8dc784c7c7eafbd35b3243af4ecd3aa21500d51e2a0b82cf1b77fe86a945
Formbook
18fffdf046406f3e77b5710a25907406275df9936a76b32977e0956b20d48612
Formbook
233a7f846a5d5ae5fb2b035d17f6a2aa5cf8f498647d4a15eac62d161a8abd25
Formbook
37d8e1ce3b6e6488942717aa78cb54785edc985143bcc8d9ba9f42d73a3dbd7a
Formbook
5f06da67169389577ec237bfb0c3e0e9203833048f48081deed7b6201ad18c27
Formbook
d2d9b66c9aad0e6cc20a786a89299a8b4a65a5a344db369dfd7bfbad3fb40b55
Formbook
ef56c1816b203c94de799dfbc607f74fc7ef4c172322b09c6f2f10abecc3905f
Formbook
f4cc35d877962f09ddf506a84cad25ba55c91092e6ebd5a9d2eaa091383ed97a
Formbook
f4e0dd8326ea92fb06978ba8a5c80931211c43f557e596d7c38c9023ce7b9513
Formbook
+ 305 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:ocgr loader rat suricata
Link:
https://tria.ge/reports/220525-lhl5lahfc5/
Behaviour
Enumerates system info in registry
Gathers network information
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
Suspicious use of SetThreadContext
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
7d8cfd4eab4aa77fe66110e0832f4074973bd0145314cd89111d2d1bdd3688fc
MD5 hash:
2b79011633ef10f823aa3a3166eb0960
SHA1 hash:
a1e614ba1b7b8b5e04fcd5f0cb263105cb20a64e
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/8cb950a6-9620-471e-b5c5-6856173b5872/
Parent samples :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 hash:
ec854143bda86e945c2f30e543831c1d577463bb49e32950d7ac24a08817cd94
MD5 hash:
57dfb8a9bb1c4f8758c21d56cb024e3d
SHA1 hash:
5fe4ea0caba20f809bdba8819f71b5cf124f3980
Link:
https://www.unpac.me/results/8cb950a6-9620-471e-b5c5-6856173b5872/
SH256 hash:
7a34ef3a5f0d2db6674d93de3143d2469d8fa06bf450dc4c1609c97822e68f53
MD5 hash:
f177fee6286dc51d2baf18d07c92d216
SHA1 hash:
d87655521e74faaecb380fc8ac338ec5a00b048a
Link:
https://www.unpac.me/results/8cb950a6-9620-471e-b5c5-6856173b5872/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/7a34ef3a5f0d2db6674d93de3143d2469d8fa06bf450dc4c1609c97822e68f53

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_KB_CERT_65628c146ace93037fc58659f14bd35f
Create hunting rule
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Web download

Formbook

Executable exe 7a34ef3a5f0d2db6674d93de3143d2469d8fa06bf450dc4c1609c97822e68f53

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2210586/
Cape
Cape
https://www.capesandbox.com/analysis/274456/

Comments


Avatar
zbet commented on 2022-05-25 09:31:44 UTC

url : hxxp://180.214.238.224/data2cloud/vbc.exe