MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 99a833a7f0d2a24daabb91a0c92132015c8f13043469199b284bc7d9e1f3c0ca. 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: 13


Intelligence 13 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 99a833a7f0d2a24daabb91a0c92132015c8f13043469199b284bc7d9e1f3c0ca
SHA3-384 hash: f3ed39922de80fdf70d8124190eb183f419db0fc675836b8dd8312ac94eb3a37555eb2e0812d00d83b1b81c15516a379
SHA1 hash: f12d5ecfd7b4754f2a67b10a33479ebdb7c21f5e
MD5 hash: a39ac77792715123da91a9b77a804783
humanhash: item-xray-bulldog-ink
File name:Ziraat Bankasi Swift Mesaji.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:302'144 bytes
First seen:2023-04-11 06:44:47 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 56a78d55f3f7af51443e58e0ce2fb5f6 (719 x GuLoader, 451 x Formbook, 295 x Loki)
ssdeep 6144:JhtyHU2eaCK8cPAeRYu2GsYXAoTQ2ReoOi60TkV13uOJM82X:Jh4sK6bI2i60O1M82X
Threatray 1'056 similar samples on MalwareBazaar
TLSH T1C95412179561C22FE5E347325FF5DA619FE7B2526DE8434707A0886D3973380A90F34A
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.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 lowmal3
Tags:exe FormBook signed

Code Signing Certificate

Organisation:
Issuer:
Algorithm:sha256WithRSAEncryption
Valid from:2022-04-27T03:34:49Z
Valid to:2025-04-26T03:34:49Z
Serial number: 0c091286df82e6043f63f7afc4f41c070d540e0f
Thumbprint Algorithm:SHA256
Thumbprint: dcf816bb3a53f08744a51ef4ba099df85efff0dd44981760165b9b7f1c2bc78b
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
255
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
guloader
Create hunting rule
ID:
1
File name:
Ziraat Bankasi Swift Mesaji.exe
Verdict:
Malicious activity
Analysis date:
2023-04-11 06:45:19 UTC
Tags:
guloader
Link:
https://app.any.run/tasks/4ebbcde0-1ded-4f33-ba13-6e5e98f1f3c6

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/381334/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.66344126.21963.25348.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Creating a window
Creating a file in the %temp% subdirectories
Creating a file
Creating a file in the %AppData% directory
Delayed reading of the file
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/77321/overview
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
guloader icedid overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/643501f1c41e8bc6a3b0d99a/reports/35dcbe49-3ca4-4757-a4b2-d1bd92622c9a/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/99a833a7f0d2a24daabb91a0c92132015c8f13043469199b284bc7d9e1f3c0ca
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/c3f4fbe0-e599-4cd0-bfd5-4155214e348f
Result
Threat name:
FormBook, GuLoader
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1211490
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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
System process connects to network (likely due to code injection or exploit)
Tries to detect Any.run
Yara detected FormBook
Yara detected GuLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 844406 Sample: Ziraat_Bankasi_Swift_Mesaji.exe Startdate: 11/04/2023 Architecture: WINDOWS Score: 100 32 www.zetuinteriors.africa 2->32 34 www.louisegoulet.com 2->34 36 21 other IPs or domains 2->36 54 Snort IDS alert for network traffic 2->54 56 Malicious sample detected (through community Yara rule) 2->56 58 Antivirus detection for URL or domain 2->58 60 5 other signatures 2->60 11 Ziraat_Bankasi_Swift_Mesaji.exe 2 47 2->11         started        signatures3 process4 file5 30 C:\Users\user\AppData\Local\...\System.dll, PE32 11->30 dropped 68 Tries to detect Any.run 11->68 15 Ziraat_Bankasi_Swift_Mesaji.exe 6 11->15         started        signatures6 process7 dnsIp8 44 34.138.169.8, 49823, 80 ATGS-MMD-ASUS United States 15->44 46 Modifies the context of a thread in another process (thread injection) 15->46 48 Tries to detect Any.run 15->48 50 Maps a DLL or memory area into another process 15->50 52 2 other signatures 15->52 19 explorer.exe 4 1 15->19 injected signatures9 process10 dnsIp11 38 www.furniture-42269.com 185.53.179.90, 49829, 49835, 80 TEAMINTERNET-ASDE Germany 19->38 40 www.hunterboots--canada.com 199.33.123.34, 49831, 80 REBEL-HOSTINGUS United States 19->40 42 12 other IPs or domains 19->42 62 System process connects to network (likely due to code injection or exploit) 19->62 23 svchost.exe 19->23         started        signatures12 process13 signatures14 64 Modifies the context of a thread in another process (thread injection) 23->64 66 Maps a DLL or memory area into another process 23->66 26 cmd.exe 1 23->26         started        process15 process16 28 conhost.exe 26->28         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/99a833a7f0d2a24daabb91a0c92132015c8f13043469199b284bc7d9e1f3c0ca/
Threat name:
Win32.Malware.Generic
Create hunting rule
Status:
Suspicious
First seen:
2023-04-10 10:47:53 UTC
File Type:
PE (Exe)
Extracted files:
13
AV detection:
9 of 36 (25.00%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=tgudhj7q2kre3kv3sgqmsijsafoi6eyegrurtgzijpd5typtydfa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
cloudeye
Create hunting rule
Similar samples:
06243274174960778e1adac528d0c2641cf742fa2ba0759c9fe762f7a0692aff
Formbook
0d6ad8a921c5a4bddb51d56bb7496423ceb6996526d84fff35f595ed81093a57
Formbook
241c42aa6df24b11a6d52ef542e2f1c5eceba74438e26488b3e6d5b98e1ed8e4
Formbook
28384833cb4f57932b5344a38245cc995941d7fcccc387a2ffa7f295c91108ac
Formbook
83104e0cf5b8f50ec9724e7a27ba87ef39ecbfd81d4f456d42b7fd06fd9c28e9
Formbook
856c3482c119fdecb777d14ef351c90a24a045cf8da8cafbb2d229619cb11bbf
Formbook
86d7bb37384646a755a03c2f6e743483ee40d5af6f018824e89c54a9308ceecf
Formbook
9a24f59f2af8bc6f278f8ad8d8e9664687deef8ac0a387ea576a9d1e84837fc7
Formbook
e29c4da2ffb29da2ca94953e638058674b6234ac0c75864d644a661d582a3ab1
Formbook
f548590defc2ccbe24f628129535444295460ede5f719adb540cf1a67bcae839
Formbook
+ 1'046 additional samples on MalwareBazaar
Result
Malware family:
guloader
Create hunting rule
Score:
  10/10
Tags:
family:formbook family:guloader campaign:mi94 downloader rat spyware stealer trojan
Link:
https://tria.ge/reports/230411-hh3kssba24/
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
Drops file in Windows directory
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Checks QEMU agent file
Deletes itself
Loads dropped DLL
Formbook payload
Formbook
Guloader,Cloudeye
Unpacked files
SH256 hash:
9641722c6abdc98d3ad58fe18500f3aa94c12170ab7893d5264f4509801df1ab
MD5 hash:
012aacf1eeb4f0f9b633c825c230cff2
SHA1 hash:
387ff0f6041d3a255a85f77bbb32fa761bf29de8
Link:
https://www.unpac.me/results/3ac1b184-06d9-4959-bfa7-c86942873335/
SH256 hash:
99a833a7f0d2a24daabb91a0c92132015c8f13043469199b284bc7d9e1f3c0ca
MD5 hash:
a39ac77792715123da91a9b77a804783
SHA1 hash:
f12d5ecfd7b4754f2a67b10a33479ebdb7c21f5e
Link:
https://www.unpac.me/results/3ac1b184-06d9-4959-bfa7-c86942873335/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/99a833a7f0d2/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.19
Link:
https://yomi.yoroi.company/submissions/99a833a7f0d2a24daabb91a0c92132015c8f13043469199b284bc7d9e1f3c0ca

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:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns

File information

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

Malspam

Formbook

Executable exe 99a833a7f0d2a24daabb91a0c92132015c8f13043469199b284bc7d9e1f3c0ca

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/381334/

Comments