MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e59a1d022c6c4f0cc7d23689004e65ea7f1f940adef98cf891a008dd9d7f66d9. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e59a1d022c6c4f0cc7d23689004e65ea7f1f940adef98cf891a008dd9d7f66d9
SHA3-384 hash: cb15216c5ee93768963a6f2d298a5fb0fff7bebbb8dc3b351dc8932a2e53dbffcfd1347da754de78fb70f1f6982358d2
SHA1 hash: 14a7a0b55043b430cbcb0a94b26a4f33c3f7d3d2
MD5 hash: 8fc8a4252b32c8eb4b9e03b018ff72a2
humanhash: india-johnny-pasta-river
File name:nWVjpM9ao5s78s3.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:896'000 bytes
First seen:2021-07-27 14:58:49 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'473 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:YYwTqnunUHUGMAmxF8wdEmoVG6bzQAoJ+SMPQipP5q:2dU3A/dxx6kipQ
Threatray 6'864 similar samples on MalwareBazaar
TLSH T122159D525ECE865FC2684DB69731AC4682314DAA2949F3132EC174FDD93F2EDC89F602
dhash icon f8dcbeffbffecee8 (13 x AgentTesla, 7 x Formbook, 5 x Loki)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
109
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
nWVjpM9ao5s78s3.exe
Verdict:
Malicious activity
Analysis date:
2021-07-27 15:15:31 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/afdc07b6-31da-4e4f-83da-67b1f3bc521d

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/174381/
Detection(s):
SecuriteInfo.com.Trojan.Win32.runner.ali1000123.13128.17631.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Launching a process
Creating a file
Launching cmd.exe command interpreter
Unauthorized injection to a system process
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:
Malicious
Link:
https://analyze.intezer.com/analyses/d62eb8d0-e2b0-44e0-82f9-abfb04d05810
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/822448
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
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 (e.g. based on Emerging Threat rules)
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
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 454855 Sample: nWVjpM9ao5s78s3.exe Startdate: 27/07/2021 Architecture: WINDOWS Score: 100 33 www.optimalgafa.com 2->33 41 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->41 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 7 other signatures 2->47 11 nWVjpM9ao5s78s3.exe 3 2->11         started        signatures3 process4 file5 31 C:\Users\user\...\nWVjpM9ao5s78s3.exe.log, ASCII 11->31 dropped 59 Writes to foreign memory regions 11->59 61 Injects a PE file into a foreign processes 11->61 15 RegSvcs.exe 11->15         started        18 RegSvcs.exe 11->18         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 Queues an APC in another process (thread injection) 15->69 20 explorer.exe 15->20 injected 71 Tries to detect virtualization through RDTSC time measurements 18->71 process9 dnsIp10 35 thefucktardmanual.com 192.0.78.25, 49769, 80 AUTOMATTICUS United States 20->35 37 panyu-qqbaby.com 107.160.109.196, 49767, 80 AS40676US United States 20->37 39 4 other IPs or domains 20->39 49 System process connects to network (likely due to code injection or exploit) 20->49 51 Uses netsh to modify the Windows network and firewall settings 20->51 24 netsh.exe 20->24         started        signatures11 process12 signatures13 53 Modifies the context of a thread in another process (thread injection) 24->53 55 Maps a DLL or memory area into another process 24->55 57 Tries to detect virtualization through RDTSC time measurements 24->57 27 cmd.exe 1 24->27         started        process14 process15 29 conhost.exe 27->29         started       
Gathering data
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-07-22 02:27:16 UTC
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=4wnb2armnrhqzr6sg2eqattf5j7r7fak334yz6eruaen3hl7m3mq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
2d7aac32ea8a8329262ead70ec2f030c1a4061e4edafdf03e605bb9ce606836e
Formbook
3a4677dc6f14f38983af15458b11d5f92e71dea8d5cd0e5b263c50d211a72621
Formbook
4cf933c9f31b4e3dae8002043c64a401f91a228adeadfbca9b172b3333f1be6b
Formbook
6a708470ee13d86b51352b69e755a9bcbd2730ecef34133dd1b5ed10b95f56a3
Formbook
86b93054415c6e4c21fd68ad13fcdbbd9a300c275dfe4f768ffd2fdf42db4694
Formbook
9001d75f0d0b09af013fc65992e74d4b568d166ca5837f1bf52316173b3f30d2
Formbook
d4257c565fc08d4e0b30d06f2a6935c8882f3a76d6df228f513c13c6e8ee1e43
Formbook
+ 6'854 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader loader rat suricata
Link:
https://tria.ge/reports/210727-7r3c2q9hve/
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 UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.panyu-qqbaby.com/weni/
Unpacked files
SH256 hash:
6f54cee217deaf54bd3f9c1a2169f437a7eee29309f87232ce46032eca3b1363
MD5 hash:
550970889e4325645c8671d69bf96a91
SHA1 hash:
35673655771636cd80db6fcc2714bee15d6156b1
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/d330ac9b-811d-477f-ac57-43507292eee3/
Parent samples :
4cf933c9f31b4e3dae8002043c64a401f91a228adeadfbca9b172b3333f1be6b
2d7aac32ea8a8329262ead70ec2f030c1a4061e4edafdf03e605bb9ce606836e
3a4677dc6f14f38983af15458b11d5f92e71dea8d5cd0e5b263c50d211a72621
e59a1d022c6c4f0cc7d23689004e65ea7f1f940adef98cf891a008dd9d7f66d9
06e6b50f2a956f1fff285d4717f7dc33af56f8f08255f744cbd0eba9b0fe82e9
38e4be0b1612a87858ee40b6c9eebd264d02e4488a34c3f1269ca385b01d1b20
ec5f4dcc08f293334a46654b279444c6c128608c6af38a4139a5b28503954219
6c60876d91087cbd176ff5419577f2b3315b2d3a9d9c6d11a06b95ea10d5311f
b07a33b6e6d8007b04f1f4a78cd8be773506bbf6b60ed0227665188d57e82a15
77d33d0e8b91781213a971ebc2e6abe4191bf2c28ff0ede19b07db092f590dff
06d062adc4478b2c95f98fec038fe559eff9fa60ce98d05d257f37c00a9026d6
4ca6a48021d7d442d9311b158691b1f219576d7d37a99f64741463659903ad4c
SH256 hash:
72ccfbea86e2439d535e916290a653aa212388a5a51c00f8beb4e6f5ab83fa40
MD5 hash:
4e1dec47ab91c0201b5b7daaf1e6b642
SHA1 hash:
f627c587e46f900958381989fc0d9d4bb177937b
Link:
https://www.unpac.me/results/d330ac9b-811d-477f-ac57-43507292eee3/
SH256 hash:
c362729899c5956cfa9fc3bcf9b21ac72066a1b84a497ceb1281f76e2f55c54b
MD5 hash:
0327d1374a5ce015ad9c83c5de76e823
SHA1 hash:
e521349d9e96a4191248747c42c78b6f88fc8f63
Link:
https://www.unpac.me/results/d330ac9b-811d-477f-ac57-43507292eee3/
SH256 hash:
e59a1d022c6c4f0cc7d23689004e65ea7f1f940adef98cf891a008dd9d7f66d9
MD5 hash:
8fc8a4252b32c8eb4b9e03b018ff72a2
SHA1 hash:
14a7a0b55043b430cbcb0a94b26a4f33c3f7d3d2
Link:
https://www.unpac.me/results/d330ac9b-811d-477f-ac57-43507292eee3/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.55
Link:
https://yomi.yoroi.company/submissions/e59a1d022c6c4f0cc7d23689004e65ea7f1f940adef98cf891a008dd9d7f66d9

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 e59a1d022c6c4f0cc7d23689004e65ea7f1f940adef98cf891a008dd9d7f66d9

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/174381/

Comments