MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 933b7f5c98ba6f0c28c54a11d35c8ac0a36d825699df11a896767556ebce1603. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments
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SHA256 hash: 933b7f5c98ba6f0c28c54a11d35c8ac0a36d825699df11a896767556ebce1603
SHA3-384 hash: e3877b4305adf034d069f1f8149585e84f9c1aff289af45ef2a7cdd8c55693665398a30dbc6e4b31342aff5d69b99ce2
SHA1 hash: bf2ac1b26edb83492c37e6fe43d779a1f3ca2555
MD5 hash: 876cdf36f3096235e8a7d2d226939dfd
humanhash: skylark-kitten-uncle-whiskey
File name:PO-22010830.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:764'928 bytes
First seen:2022-12-06 12:17:49 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'750 x AgentTesla, 19'656 x Formbook, 12'248 x SnakeKeylogger)
ssdeep 12288:WyVeA2iN9b3vT2hbrG/fpI0n5ryqQBgVA5AAasVejNwSyGi8AoMM:DMA1HLT2hbK/ymWZSVAyAV8jov8nMM
TLSH T1ADF47CDDD07D0325CBFD0F69F0DF284818E0414A292C9D6B9BA3F884E576219717EA9E
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter Anonymous
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
169
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
PO-22010830.exe
Verdict:
Malicious activity
Analysis date:
2022-12-06 12:19:53 UTC
Tags:
formbook xloader trojan stealer
Link:
https://app.any.run/tasks/7545cfbb-c0a0-4333-ab2a-1f0dc5317959

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/343403/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Searching for synchronization primitives
Launching a process
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/638f32fd0c6473d16719a805/reports/5a14b7fe-3c70-4b3e-8929-862d907631b1/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/fdda80ed-8b79-4e18-bdeb-6eaf18056cd8
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1128899
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Deletes itself after installation
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
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 harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 761623 Sample: PO-22010830.exe Startdate: 06/12/2022 Architecture: WINDOWS Score: 100 24 www.p-soils.com 2->24 34 Malicious sample detected (through community Yara rule) 2->34 36 Antivirus detection for URL or domain 2->36 38 Multi AV Scanner detection for submitted file 2->38 40 6 other signatures 2->40 9 PO-22010830.exe 3 2->9         started        signatures3 process4 file5 22 C:\Users\user\AppData\...\PO-22010830.exe.log, ASCII 9->22 dropped 12 PO-22010830.exe 9->12         started        process6 signatures7 50 Modifies the context of a thread in another process (thread injection) 12->50 52 Maps a DLL or memory area into another process 12->52 54 Sample uses process hollowing technique 12->54 56 Queues an APC in another process (thread injection) 12->56 15 explorer.exe 12->15 injected process8 dnsIp9 26 www.cpitherapy.com 178.128.239.245, 49699, 49700, 49701 DIGITALOCEAN-ASNUS Netherlands 15->26 28 www.zkjk888.com 35.78.89.117, 49698, 80 AMAZON-02US United States 15->28 30 www.gebouwpas.online 15->30 32 System process connects to network (likely due to code injection or exploit) 15->32 19 chkdsk.exe 13 15->19         started        signatures10 process11 signatures12 42 Tries to steal Mail credentials (via file / registry access) 19->42 44 Tries to harvest and steal browser information (history, passwords, etc) 19->44 46 Deletes itself after installation 19->46 48 2 other signatures 19->48
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/933b7f5c98ba6f0c28c54a11d35c8ac0a36d825699df11a896767556ebce1603/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-11-29 10:43:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
18
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=sm5x6xeyxjxqykgfjii5gxekycrw3aswthprdkewoz2vn26ocybq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:m5oe rat spyware stealer trojan
Link:
https://tria.ge/reports/221206-pglzzsbd5v/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Formbook
Unpacked files
SH256 hash:
1e050e7b9dbeaeef5a13fd50f97d96dc6a7bf16c5977955750f5af8c18bd6a99
MD5 hash:
1e8d6d450d4d29021a1492aa95936706
SHA1 hash:
843c7823b2bf5b08745cc4070b6baaf0e77d343b
Detections:
XLoader
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/1131729d-f54f-49fd-97d3-58b2c948fec4/
Parent samples :
90212e18e6b4b235bbb6f4083bd0a2c491e0be12edc600199eb0ed0839d9a554
7c470477c32979be016bffc98f861acc089861a6a2ba015aed73d769774370bf
4ac30ca3142675b81e4490da111a69336cc0b41b21049d3a8bb6b38e7851b529
937c7c476bb363e55fdf1ff275c87de91ec0f550072e9a759387cc95e6c78c83
933b7f5c98ba6f0c28c54a11d35c8ac0a36d825699df11a896767556ebce1603
05740669c4c15fd382ace1ce3a03d78ad0bbd9b1dafa5d22d13fea990e07e65b
e6c4c251d5481c065e23d202620aa2d2d0ebc7e4d159a70c6ac9e377804da5bf
91218386ed25d62220408973a03c76b8c4fc44512a60eabd0e437b2bbd10e7d4
SH256 hash:
9710dc374fe631ea03575f6159156c1a105b2da641af25593c016327a0b5691c
MD5 hash:
e0e19eb3bb4dc912f4ad29c31d3a35f7
SHA1 hash:
36ae39734e7d6475e92387f05a184daabee1fb40
Link:
https://www.unpac.me/results/1131729d-f54f-49fd-97d3-58b2c948fec4/
SH256 hash:
a1988da6d6887d382374806fcd7eb48fd8378dd9c37f0a74f2b2f949de6ad85e
MD5 hash:
7bf4f2029450131b8cac1582bfe10d40
SHA1 hash:
d7cb5d433ae6c973b848eb935dfeb92829720d09
Link:
https://www.unpac.me/results/1131729d-f54f-49fd-97d3-58b2c948fec4/
SH256 hash:
3624268b1bf67fd3f560f345e5171f3a2f8968a776c23816ea76fc0ef41b0f03
MD5 hash:
1619753b625e58c25b73fbf1f0bff482
SHA1 hash:
c0d7922bdbc10ef0ee1606a40c2dedd22cb180d4
Link:
https://www.unpac.me/results/1131729d-f54f-49fd-97d3-58b2c948fec4/
SH256 hash:
52aa3f522ba74caf8396e09b521a359602d72e7e349310588be1b9cb1b689704
MD5 hash:
1476ac371eec8c0f0612691307791576
SHA1 hash:
67af4b55b354e3cd24775ba3daa52a7605bc2e08
Link:
https://www.unpac.me/results/1131729d-f54f-49fd-97d3-58b2c948fec4/
SH256 hash:
340ba2312d5cdfc3d89f3f35f627187dcb406e5afea134bc76b04f52f4285df3
MD5 hash:
85f9290aa8900e9fd74b01ee23125706
SHA1 hash:
310eb5e4aea5471b74a6385f1da283b9d8e3d698
Link:
https://www.unpac.me/results/1131729d-f54f-49fd-97d3-58b2c948fec4/
SH256 hash:
933b7f5c98ba6f0c28c54a11d35c8ac0a36d825699df11a896767556ebce1603
MD5 hash:
876cdf36f3096235e8a7d2d226939dfd
SHA1 hash:
bf2ac1b26edb83492c37e6fe43d779a1f3ca2555
Link:
https://www.unpac.me/results/1131729d-f54f-49fd-97d3-58b2c948fec4/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/933b7f5c98ba6f0c28c54a11d35c8ac0a36d825699df11a896767556ebce1603

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: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.

Malspam

Formbook

Executable exe 933b7f5c98ba6f0c28c54a11d35c8ac0a36d825699df11a896767556ebce1603

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/343403/

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