MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 aa9574014df2ac3fe4c9f8e32c45197542377ea99805665bcb0b4258df36adda. 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 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: aa9574014df2ac3fe4c9f8e32c45197542377ea99805665bcb0b4258df36adda
SHA3-384 hash: 96f156a92ef4c03ad4a01942851fae6b03a71a20fe8a09a6e79667435acc4055694f11819a6c5ffb1bd08930712114ac
SHA1 hash: 5aa25fde4e748078a1fe52fdcc923465591572b8
MD5 hash: c5b445d902e6f466518a68b4629d84d4
humanhash: iowa-diet-alanine-fillet
File name:20210908_6359,pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:385'322 bytes
First seen:2021-08-11 07:57:04 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 8c9e2729b91e6cd98523a27cc78ab06c (7 x AgentTesla, 5 x Formbook, 4 x Loki)
ssdeep 6144:7+GEpIph2K6LOw+9VhypJzkqCeXLjaAWBplGbEDcM+VR:5EpHKm+JeNna3GbEF+n
Threatray 7'723 similar samples on MalwareBazaar
TLSH T156848D81B1854465FD2236B1582B9931116ABEF6597BCB1F23CB7B3A0FF32821063E57
dhash icon 4893230b482f2659 (3 x Formbook, 1 x SnakeKeylogger, 1 x NanoCore)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
254
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
20210908_6359,pdf.exe
Verdict:
Malicious activity
Analysis date:
2021-08-11 07:57:51 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/138d14d5-7a62-4326-9ad3-67165de96d0d

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/178145/
Detection(s):
Win.Trojan.Genkryptik-9884860-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:
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/450fcdd6-f004-4ca8-9747-2cff4a014628
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/830719
Signature
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Found malware configuration
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 virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 463151 Sample: 20210908_6359,pdf.exe Startdate: 11/08/2021 Architecture: WINDOWS Score: 100 34 www.lzproperty.com 2->34 36 www.qzzstz.com 2->36 40 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->40 42 Found malware configuration 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 4 other signatures 2->46 11 20210908_6359,pdf.exe 2->11         started        signatures3 process4 signatures5 54 Detected unpacking (changes PE section rights) 11->54 56 Maps a DLL or memory area into another process 11->56 58 Tries to detect virtualization through RDTSC time measurements 11->58 14 20210908_6359,pdf.exe 11->14         started        process6 signatures7 60 Modifies the context of a thread in another process (thread injection) 14->60 62 Maps a DLL or memory area into another process 14->62 64 Sample uses process hollowing technique 14->64 66 Queues an APC in another process (thread injection) 14->66 17 explorer.exe 14->17 injected process8 dnsIp9 28 meesowell.com 203.245.24.20, 49741, 80 KIXS-AS-KRKoreaTelecomKR Korea Republic of 17->28 30 www.sun5new.com 154.196.153.22, 49733, 80 HKMTC-AS-APHONGKONGMegalayerTechnologyCoLimitedHK Seychelles 17->30 32 14 other IPs or domains 17->32 38 System process connects to network (likely due to code injection or exploit) 17->38 21 mstsc.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/aa9574014df2ac3fe4c9f8e32c45197542377ea99805665bcb0b4258df36adda/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-08-09 13:38:34 UTC
AV detection:
27 of 46 (58.70%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vkkxiakn6kwd7zgj7drsyrizovbdo7vjtacwmw6lbnbfrxzwvxna._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
18f4cf60cabec371c21e141ab1e15754654351ba4bfd85ae717f5c760f3c102a
Formbook
1dc173b24c0b503a394568e4a1fff7887dd739cc287e529f25b173dbfea4010b
Formbook
3f9a8485314c2b666caf0a1a729a96cb974780f331ea9baa0c03e7f02035cf05
Formbook
6d308c2e93c341ef11c0b14420e158fd650c637190a4daedf003ec091e703a85
Formbook
6db6324fe282260a224e77fff9bdad3240a63d48ac587f2a701785ea69c317a5
Formbook
a1e601d45399b724a7247ca82708d74182923dc096c62031ec80419e26f8e0f6
Formbook
+ 7'713 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:rqe8 loader rat suricata
Link:
https://tria.ge/reports/210811-yvr2997nss/
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
Deletes itself
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.steveblexrud.com/rqe8/
Unpacked files
SH256 hash:
7e220a419867b596f29cb4a59ad041fe4efd8d05e95bc9efa7fdbdbe0f8de1d9
MD5 hash:
6a07c77eefde726358cd45dbd796359a
SHA1 hash:
400503dd1524917be53930a32bba506898f1bf23
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/ea815cc3-6f00-481d-9b92-e7bf17296ed5/
Parent samples :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 hash:
aa9574014df2ac3fe4c9f8e32c45197542377ea99805665bcb0b4258df36adda
MD5 hash:
c5b445d902e6f466518a68b4629d84d4
SHA1 hash:
5aa25fde4e748078a1fe52fdcc923465591572b8
Link:
https://www.unpac.me/results/ea815cc3-6f00-481d-9b92-e7bf17296ed5/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/aa9574014df2ac3fe4c9f8e32c45197542377ea99805665bcb0b4258df36adda

File information

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

Malspam

Formbook

Executable exe aa9574014df2ac3fe4c9f8e32c45197542377ea99805665bcb0b4258df36adda

(this sample)

  
Dropped by
null
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/178145/

Comments