MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e4b98a029783ce068a262f3393caa28754470082b6b7066f34a27595e5ff2ea2. 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 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e4b98a029783ce068a262f3393caa28754470082b6b7066f34a27595e5ff2ea2
SHA3-384 hash: bb169ad9e9fcb0cd9359ff5be2486d6dfb9727c35f506a2497cf0c859ff618649c587fb128f6af74425e14c171dd1d35
SHA1 hash: e315d5c0868e4a2c8a796e52616cc71fe02f2e4c
MD5 hash: 6d1fc60576f650b2806d7e74da8ddd79
humanhash: arkansas-social-wolfram-timing
File name:6d1fc60576f650b2806d7e74da8ddd79
Download: download sample
Signature Formbook
Create hunting rule
File size:324'143 bytes
First seen:2022-11-15 12:07:44 UTC
Last seen:2022-11-15 13:54:11 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 29b61e5a552b3a9bc00953de1c93be41 (174 x Formbook, 82 x AgentTesla, 81 x Loki)
ssdeep 6144:0Ea0Mr7/9GTiV71Oz7VtsorLQMYN6amP+73M/3Qt9/FvDxxf1lB97Z0V5l3g/Gjh:mr7/9UiV716rLQTNmP+73BpFvDxxdjIZ
TLSH T1116422863A8398BFDB895F72046BE6D1C37946B8306286F3CB582F37AD76641F649001
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 e4ccd0d0f0c8ccd4 (3 x AgentTesla, 3 x Formbook)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
197
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
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ID:
1
File name:
OA74612.xls
Verdict:
Malicious activity
Analysis date:
2022-11-15 11:36:12 UTC
Tags:
macros opendir exploit cve-2017-11882 loader formbook trojan stealer
Link:
https://app.any.run/tasks/11c7ab42-650c-4f6f-908a-69bf44b6aef9

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/334280/
Detection(s):
SecuriteInfo.com.Trojan.Garf.Gen.6.16774.11046.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending an HTTP GET request
Reading critical registry keys
Unauthorized injection to a recently created process
Searching for synchronization primitives
Creating a file in the %temp% directory
Creating a process from a recently created file
Сreating synchronization primitives
Launching a process
DNS request
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/63738124f75d59fef0b974e2/reports/b458313e-ddea-43d9-8d66-e6c87d55d8a3/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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/7eab4832-77c9-4171-b7d9-e7bd7c58a3de
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1114160
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
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 dropped file
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 harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses ipconfig to lookup or modify the Windows network settings
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 746858 Sample: SfSmwL55F2.exe Startdate: 15/11/2022 Architecture: WINDOWS Score: 100 28 www.gloryboxband.com 2->28 44 Snort IDS alert for network traffic 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 Antivirus detection for URL or domain 2->48 50 4 other signatures 2->50 10 SfSmwL55F2.exe 18 2->10         started        signatures3 process4 file5 26 C:\Users\user\AppData\Local\...\efjbvjbax.exe, PE32 10->26 dropped 13 efjbvjbax.exe 10->13         started        process6 signatures7 64 Multi AV Scanner detection for dropped file 13->64 66 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 13->66 68 Maps a DLL or memory area into another process 13->68 16 efjbvjbax.exe 13->16         started        process8 signatures9 36 Modifies the context of a thread in another process (thread injection) 16->36 38 Maps a DLL or memory area into another process 16->38 40 Sample uses process hollowing technique 16->40 42 Queues an APC in another process (thread injection) 16->42 19 explorer.exe 16->19 injected process10 dnsIp11 30 www.sivagarments.buzz 185.237.253.176, 49721, 49722, 80 QUICKPACKETUS Germany 19->30 32 www.lootmela.com 217.160.0.41, 49719, 49720, 80 ONEANDONE-ASBrauerstrasse48DE Germany 19->32 34 3 other IPs or domains 19->34 52 System process connects to network (likely due to code injection or exploit) 19->52 54 Uses ipconfig to lookup or modify the Windows network settings 19->54 23 ipconfig.exe 13 19->23         started        signatures12 process13 signatures14 56 Tries to steal Mail credentials (via file / registry access) 23->56 58 Tries to harvest and steal browser information (history, passwords, etc) 23->58 60 Modifies the context of a thread in another process (thread injection) 23->60 62 Maps a DLL or memory area into another process 23->62
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/e4b98a029783ce068a262f3393caa28754470082b6b7066f34a27595e5ff2ea2/
Threat name:
Win32.Trojan.FormBook
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Status:
Malicious
First seen:
2022-11-15 12:00:05 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
24 of 26 (92.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=4s4yuauxqphancrgf4zzhsvcq5keoaecw23qm3zuuj2zlzp7f2ra._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:g2dc rat spyware stealer trojan
Link:
https://tria.ge/reports/221115-pawkvahe9z/
Behaviour
Modifies Internet Explorer settings
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
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/827c29d6-c219-4615-9059-5b0ddc9f018e
Unpacked files
SH256 hash:
1c532877963889d84639ffa65009197766bbc611dcc79e88a7f30a2153bff59f
MD5 hash:
1f29e231f5ec7ea94b593f6b0d67abb8
SHA1 hash:
95e25d58d59d57615f4506de11b106ee69defacd
Detections:
XLoader
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/c4ae5f30-9696-4a30-a5a0-6f981dfc21f8/
Parent samples :
e4b98a029783ce068a262f3393caa28754470082b6b7066f34a27595e5ff2ea2
4e099dee4b6248ffd4a4a86bee02311e91b065143138b6bd87e1fb5bb882bcd7
e90c54d32e7a267681bef788fefb68a4a6ed2c74718039cd5d5fce43c6f33377
SH256 hash:
dfee396f0f438f4b7078e81fc26e545dc3ed5d2bacbd6da86ef00d8f52667b89
MD5 hash:
365cce6d213244d2ffeee71e00934e17
SHA1 hash:
da15a3eb5809b62f33c97f31b913f722e6fae517
Link:
https://www.unpac.me/results/c4ae5f30-9696-4a30-a5a0-6f981dfc21f8/
SH256 hash:
52aa7c16a6eb4c879d8a879c8656c693cdbf77f418992d7bb932f46aba26732d
MD5 hash:
cb6ce91ee0ad5ebecb34230447253091
SHA1 hash:
b70fcf60d705b9414ad3b6b997412e7ad75e96a3
Link:
https://www.unpac.me/results/c4ae5f30-9696-4a30-a5a0-6f981dfc21f8/
SH256 hash:
4a32bdd725451ee9eafe4c741e887ba9110700d1bfc11e263a45735527da4658
MD5 hash:
e175b8b74e5db86c3897e361f066140d
SHA1 hash:
dd79e8a316457f9040e1960725c040a8ad60b817
Link:
https://www.unpac.me/results/c4ae5f30-9696-4a30-a5a0-6f981dfc21f8/
SH256 hash:
e4b98a029783ce068a262f3393caa28754470082b6b7066f34a27595e5ff2ea2
MD5 hash:
6d1fc60576f650b2806d7e74da8ddd79
SHA1 hash:
e315d5c0868e4a2c8a796e52616cc71fe02f2e4c
Link:
https://www.unpac.me/results/c4ae5f30-9696-4a30-a5a0-6f981dfc21f8/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/e4b98a029783ce068a262f3393caa28754470082b6b7066f34a27595e5ff2ea2

File information

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

Web download

Formbook

Executable exe e4b98a029783ce068a262f3393caa28754470082b6b7066f34a27595e5ff2ea2

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/334280/
  
URLhaus
https://urlhaus.abuse.ch/url/2412754/

Comments


Avatar
zbet commented on 2022-11-15 12:07:59 UTC

url : hxxp://103.99.2.245/DriveX/vbc.exe