MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8ad29501e45ec72a916eccc0b9d34e074dc9f9010c74d32d871d66d4c4351897. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8ad29501e45ec72a916eccc0b9d34e074dc9f9010c74d32d871d66d4c4351897
SHA3-384 hash: 07fd94ae7bb74dfc4323c90deedcfad9a186513a0e18b88820ca9fe5924113e315434a0a503d931f8265b1418d1c5b16
SHA1 hash: ea18a63daa9f0b55a96e70bf9e45838f48b56b92
MD5 hash: b334b3f51ba68fe25f487850ee9710ed
humanhash: nine-spaghetti-wyoming-green
File name:file
Download: download sample
Signature Formbook
Create hunting rule
File size:901'120 bytes
First seen:2022-12-01 17:01:34 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:8RiMfoGdmgFQCIdv/H5e7w7En1gSp4T79j:4QGdlehdH5e7w7EnOSCP
TLSH T1F61502AC356072AEC857C2BA99A41C34A720746B2717C257875321DEAE4DFC3DB258F3
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)
File icon (PE):PE icon
dhash icon b269d4e8ccccccd8 (8 x AgentTesla, 5 x Loki, 3 x SnakeKeylogger)
Reporter jstrosch
Tags:.NET exe FormBook MSIL

Intelligence

File Origin
# of uploads :
1
# of downloads :
162
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2022-12-01 17:06:17 UTC
Tags:
formbook xloader trojan stealer
Link:
https://app.any.run/tasks/bfd4e137-6872-4407-a053-fc8f4b362625

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/341230/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.47502.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6388de0a579915b6b303db39/reports/ae60b674-4a3d-4089-bed0-5b5204f8fbac/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/3faec9ef-abcb-4ef1-b0e4-61f168d9c0d5
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1125612
Signature
C2 URLs / IPs found in 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)
Modifies the prolog of user mode functions (user mode inline hooks)
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 detect virtualization through RDTSC time measurements
Uses netsh to modify the Windows network and firewall settings
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 758353 Sample: file.exe Startdate: 01/12/2022 Architecture: WINDOWS Score: 100 36 Malicious sample detected (through community Yara rule) 2->36 38 Yara detected AntiVM3 2->38 40 Yara detected FormBook 2->40 42 4 other signatures 2->42 10 file.exe 3 2->10         started        process3 file4 28 C:\Users\user\AppData\Local\...\file.exe.log, ASCII 10->28 dropped 54 Tries to detect virtualization through RDTSC time measurements 10->54 56 Injects a PE file into a foreign processes 10->56 14 file.exe 10->14         started        signatures5 process6 signatures7 58 Modifies the context of a thread in another process (thread injection) 14->58 60 Maps a DLL or memory area into another process 14->60 62 Sample uses process hollowing technique 14->62 64 Queues an APC in another process (thread injection) 14->64 17 explorer.exe 14->17 injected process8 dnsIp9 30 base2mexico.com 192.185.138.191, 49727, 80 UNIFIEDLAYER-AS-1US United States 17->30 32 www.obgista.africa 17->32 34 www.base2mexico.com 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 46 Uses netsh to modify the Windows network and firewall settings 17->46 21 netsh.exe 17->21         started        signatures10 process11 signatures12 48 Modifies the context of a thread in another process (thread injection) 21->48 50 Maps a DLL or memory area into another process 21->50 52 Tries to detect virtualization through RDTSC time measurements 21->52 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8ad29501e45ec72a916eccc0b9d34e074dc9f9010c74d32d871d66d4c4351897/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-11-30 04:18:43 UTC
File Type:
PE (.Net Exe)
Extracted files:
16
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rljjkapel3dsveloztaltu2oa5g4t6ibbr2nglmhdvtnjrbvdclq._file
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:dv22 rat spyware stealer trojan
Link:
https://tria.ge/reports/221201-vj5g1adb61/
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook payload
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/79ba8c75-f84e-4102-85d9-5458ae8c1ec5
Unpacked files
SH256 hash:
bace5ee9a88412c9d14fc931a94105ffa2a4add2df7f673b0ede682c61a2d877
MD5 hash:
6f9728720648a0a5e086e1e35e6719f6
SHA1 hash:
08938fa98338fd732104b3e89a89ae19f9ed9e0e
Detections:
FormBook
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/2bf51f3d-eb0f-434a-8f68-b7baa31c4a0e/
Parent samples :
8ad29501e45ec72a916eccc0b9d34e074dc9f9010c74d32d871d66d4c4351897
3a6e455b7bf9570c22e255b87a0929af15322ffcb1936a41f782e4f52fd1de6b
ddaf9934762825fb0168b9c861d81cbc664ee2248c912e0ed8bd980289577ee5
SH256 hash:
3624268b1bf67fd3f560f345e5171f3a2f8968a776c23816ea76fc0ef41b0f03
MD5 hash:
1619753b625e58c25b73fbf1f0bff482
SHA1 hash:
c0d7922bdbc10ef0ee1606a40c2dedd22cb180d4
Link:
https://www.unpac.me/results/2bf51f3d-eb0f-434a-8f68-b7baa31c4a0e/
SH256 hash:
6217c3539722885e2b8c01a1ff2307eaefc9c1ec43bdf4df0a8fd1f6a2e562ee
MD5 hash:
ac242d00947e12cde88df52926f25263
SHA1 hash:
9435063cd2707e2798267317f4f211ef2ec0659e
Link:
https://www.unpac.me/results/2bf51f3d-eb0f-434a-8f68-b7baa31c4a0e/
SH256 hash:
0418ff20c1a0e6c20e5ebbb1caef0b65950cd015af87293f0c1160b1dc1a6a43
MD5 hash:
d39f2e39b6cd0b210ae514a07e0995a2
SHA1 hash:
586f2560120bb6413436641a514fbc383e4cf9c7
Link:
https://www.unpac.me/results/2bf51f3d-eb0f-434a-8f68-b7baa31c4a0e/
SH256 hash:
340ba2312d5cdfc3d89f3f35f627187dcb406e5afea134bc76b04f52f4285df3
MD5 hash:
85f9290aa8900e9fd74b01ee23125706
SHA1 hash:
310eb5e4aea5471b74a6385f1da283b9d8e3d698
Link:
https://www.unpac.me/results/2bf51f3d-eb0f-434a-8f68-b7baa31c4a0e/
SH256 hash:
8ad29501e45ec72a916eccc0b9d34e074dc9f9010c74d32d871d66d4c4351897
MD5 hash:
b334b3f51ba68fe25f487850ee9710ed
SHA1 hash:
ea18a63daa9f0b55a96e70bf9e45838f48b56b92
Link:
https://www.unpac.me/results/2bf51f3d-eb0f-434a-8f68-b7baa31c4a0e/
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/8ad29501e45ec72a916eccc0b9d34e074dc9f9010c74d32d871d66d4c4351897

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.

Web download

Formbook

Executable exe 8ad29501e45ec72a916eccc0b9d34e074dc9f9010c74d32d871d66d4c4351897

(this sample)

  
Delivery method
Distributed via web download
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/341230/
  
URLhaus
https://urlhaus.abuse.ch/url/2441020/

Comments