MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a6525de47e9c194acea3d0048b4633a9bb0f0bab0bfe2eb5e1ec3aa126909e32. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments
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SHA256 hash: a6525de47e9c194acea3d0048b4633a9bb0f0bab0bfe2eb5e1ec3aa126909e32
SHA3-384 hash: 668c088833ce990760ef837cdab6b54fda17147abfff54e89375c744b0f6488d173be1fb366f1f58a8571741ba1d0e9d
SHA1 hash: 60ae8c3407574302254e1ba4db37f811f1e52a96
MD5 hash: aa3af7209b7773dfeee1e97d8cad2f95
humanhash: yankee-video-lion-mirror
File name:svchost.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:822'272 bytes
First seen:2022-03-07 14:34:21 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:dR/IN2iNiY9ABj714/sFVZ2LFUY6HkAMKIKf65yZdCEVdoZJYhrF6Mx6KgnLGDmy:61cB3+FUY6EApv6YOAmShBjnq4
Threatray 14'598 similar samples on MalwareBazaar
TLSH T12305BF0875E64038F8368BF2DEC4FBE19BAEE225D4C975B558000E594601BBC8995EFF
Reporter malwarelabnet
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
225
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
acbd2e29-0146-4b61-aad5-9c0bb8f4ef22
Verdict:
Malicious activity
Analysis date:
2022-03-07 14:28:30 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/0770794c-f171-4eba-bb80-011ac225a4aa

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/247938/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Launching a service
Сreating synchronization primitives
Unauthorized injection to a recently created process
Creating a file
Searching for synchronization primitives
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Result
Verdict:
UNKNOWN
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/70bb14b3-d176-40f9-8fbb-b81318789d23
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/951883
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
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
Self deletion via cmd delete
Sigma detected: Dridex Process Pattern
Sigma detected: Suspcious CLR Logs Creation
Sigma detected: Suspect Svchost Activity
Sigma detected: System File Execution Location Anomaly
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 584364 Sample: svchost.exe Startdate: 07/03/2022 Architecture: WINDOWS Score: 100 30 www-bing-com.dual-a-0001.a-msedge.net 2->30 32 store-images.s-microsoft.com 2->32 34 dual-a-0001.a-msedge.net 2->34 36 Found malware configuration 2->36 38 Malicious sample detected (through community Yara rule) 2->38 40 Antivirus detection for URL or domain 2->40 42 11 other signatures 2->42 10 svchost.exe 3 2->10         started        signatures3 process4 file5 28 C:\Users\user\AppData\...\svchost.exe.log, ASCII 10->28 dropped 52 Tries to detect virtualization through RDTSC time measurements 10->52 54 Injects a PE file into a foreign processes 10->54 14 svchost.exe 10->14         started        17 svchost.exe 10->17         started        signatures6 process7 signatures8 56 Modifies the context of a thread in another process (thread injection) 14->56 58 Maps a DLL or memory area into another process 14->58 60 Sample uses process hollowing technique 14->60 62 Queues an APC in another process (thread injection) 14->62 19 wlanext.exe 14->19         started        22 explorer.exe 14->22 injected process9 signatures10 44 Self deletion via cmd delete 19->44 46 Modifies the context of a thread in another process (thread injection) 19->46 48 Maps a DLL or memory area into another process 19->48 50 Tries to detect virtualization through RDTSC time measurements 19->50 24 cmd.exe 1 19->24         started        process11 process12 26 conhost.exe 24->26         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a6525de47e9c194acea3d0048b4633a9bb0f0bab0bfe2eb5e1ec3aa126909e32/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-03-07 14:35:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
21 of 27 (77.78%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uzjf3zd6tqmuvtvd2aciwrrtvg5q6c5lbp7c5npb5q5kcjuqtyza._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
3c010d88a118ba3cc666e05c6f8f82159ac38e5486b5ed60c65d870287b8cff6
Formbook
67cb5ce28fc7e9a5dae6c7be6da453844762fdea43d985cfc761c1ded66487f0
Formbook
a2d7a6453efd6b8c31af2e225ae7f93064d44fe328b5bb2e530d820e5e6ca5f8
Formbook
b0b6191866c81bd822102f7f74d1df215f5f3a38552665d7e1e69628e7859f1d
Formbook
c63cb761da677849b8382eb1d926569f00a04d57f2c789b63e7f2eb2e368a00c
Formbook
daac858e9ca5b0c8044385c2d94cbef17c41b0bd5c569ad7e03f0a51b4caab7a
Formbook
db4d5bd36f923fdd47daf48ace971f47e9764d27a2f88241f09c754c042efc28
Formbook
f0427effe53373b51d8b98f19d87a1e39cbcc49201d307526b5ced3406fed4e0
Formbook
f136f4f9c59c4ff2582063222c6df106a3d1e3d7d9220ff73e3cb2ec487fe1db
Formbook
+ 14'588 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:w26e rat spyware stealer trojan
Link:
https://tria.ge/reports/220307-rx15ysfdc5/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Unpacked files
SH256 hash:
0f86e2647502bfbce2b69c2da90d4da8f34895f50f691e46e9ec7d5a046533c1
MD5 hash:
4ae3a2cbf460c830dfd443e979be5005
SHA1 hash:
26686e81a8ceeeb7331d9bf2b830fe2886cd19e2
Link:
https://www.unpac.me/results/290410d4-52ff-481a-944b-4033b5eb27b4/
SH256 hash:
e075cd9b05cbb3753bde62df678cce1c73b71aa605f7b5e729aa3010f1318fb9
MD5 hash:
41e28fb477dc598995d2b607a315604d
SHA1 hash:
66d1c4af83c0f447e8ebf093f059454f68f225bf
Link:
https://www.unpac.me/results/290410d4-52ff-481a-944b-4033b5eb27b4/
SH256 hash:
e3bdaf9e98eb65a070cf4424bc123e57ade151c41e4a0d375e769749155c1715
MD5 hash:
78a25e75b94923e889ecd100349facbe
SHA1 hash:
6b3f8db525d3c98f92ed480e664ab8ee9458340b
Link:
https://www.unpac.me/results/290410d4-52ff-481a-944b-4033b5eb27b4/
SH256 hash:
f6acc7a3be7cd6ce48cb46b5eedc3ee00322f3b6b4b602751420e9f6fd13a77a
MD5 hash:
981369f1ffdbccbfc64768cb39c9c305
SHA1 hash:
b53ccfbbbf0a49fc81685b8204d7d9334031566d
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/290410d4-52ff-481a-944b-4033b5eb27b4/
Parent samples :
b0b6191866c81bd822102f7f74d1df215f5f3a38552665d7e1e69628e7859f1d
a6525de47e9c194acea3d0048b4633a9bb0f0bab0bfe2eb5e1ec3aa126909e32
1c1c755e4827a8d1918edff4c58f088ba57fdea5358ba3d627645836703a499f
9621e6459dc138fb11bc279b6583fc68eed0db7b284e198c74dda8385db8ce0d
2c81b04d9509cf29e05309b84972fa9bf47b34bdf64032ade464fcc55a54a1b8
e4d0ebfd2e92b3848aa302ff71782e2bb7b55b1340f340c89e263e9d1a2a6987
SH256 hash:
a6525de47e9c194acea3d0048b4633a9bb0f0bab0bfe2eb5e1ec3aa126909e32
MD5 hash:
aa3af7209b7773dfeee1e97d8cad2f95
SHA1 hash:
60ae8c3407574302254e1ba4db37f811f1e52a96
Link:
https://www.unpac.me/results/290410d4-52ff-481a-944b-4033b5eb27b4/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/a6525de47e9c/report/overview.html
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/a6525de47e9c194acea3d0048b4633a9bb0f0bab0bfe2eb5e1ec3aa126909e32

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.

Cape
Cape
https://www.capesandbox.com/analysis/247938/

Comments