MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2570b1f0780a754b70c2ec5525da16952c9634a2da6b21c92693380529daffe2. 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: 2570b1f0780a754b70c2ec5525da16952c9634a2da6b21c92693380529daffe2
SHA3-384 hash: a9f20394c6dd733a9b2c7dc2a7fc4d0d9c85c750e861cd4bbd9b68050920c763908986a48d6a2a6cdf114576e81c04c0
SHA1 hash: 9cedfcf4ef7f1aef400ff9ff39d31e7882757837
MD5 hash: 026b337a051a03e14690154785c25b76
humanhash: hamper-lemon-lake-iowa
File name:026b337a051a03e14690154785c25b76.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'068'032 bytes
First seen:2021-01-13 07:12:33 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'738 x AgentTesla, 19'596 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:1j0eu0QaNHhbqfqx4TVtb8mwD3Q78Xb/bhzyNPbVA9fbaR8D3tW71iiEolh4o1sJ:Z0ONQr5iGcbThG8Y7oalhb1wmg2l
Threatray 3'340 similar samples on MalwareBazaar
TLSH 91358D7C36407DEEC8278EBB85941D20D9206467574FE2D356231DEA5A0CBEB8E143EB
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
107
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
VM ASIAN CHAMPION.xlsx
Verdict:
Malicious activity
Analysis date:
2021-01-13 07:09:26 UTC
Tags:
encrypted opendir exploit CVE-2017-11882 loader trojan formbook stealer
Link:
https://app.any.run/tasks/49878d7f-1e05-472f-8825-418a23dab8a6

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/111693/
Detection(s):
SecuriteInfo.com.Trojan.Siggen11.57608.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
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.
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/579829
Signature
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
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)
Modifies the prolog of user mode functions (user mode inline hooks)
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 detect virtualization through RDTSC time measurements
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 338959 Sample: 81msxxUisn.exe Startdate: 13/01/2021 Architecture: WINDOWS Score: 100 31 www.suyeongdongsan.com 2->31 39 Found malware configuration 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 Multi AV Scanner detection for submitted file 2->43 45 5 other signatures 2->45 11 81msxxUisn.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\81msxxUisn.exe.log, ASCII 11->29 dropped 55 Detected unpacking (changes PE section rights) 11->55 57 Detected unpacking (overwrites its own PE header) 11->57 59 Tries to detect virtualization through RDTSC time measurements 11->59 61 Injects a PE file into a foreign processes 11->61 15 81msxxUisn.exe 11->15         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 18 explorer.exe 15->18 injected process9 dnsIp10 33 www.hau3.com 156.241.53.128, 49747, 80 XIAOZHIYUN1-AS-APICIDCNETWORKUS Seychelles 18->33 35 dailytourtoraja.com 103.253.212.192, 49751, 80 RUMAHWEB-AS-IDRumahwebIndonesiaCVID Indonesia 18->35 37 7 other IPs or domains 18->37 47 System process connects to network (likely due to code injection or exploit) 18->47 22 control.exe 18->22         started        signatures11 process12 signatures13 49 Modifies the context of a thread in another process (thread injection) 22->49 51 Maps a DLL or memory area into another process 22->51 53 Tries to detect virtualization through RDTSC time measurements 22->53 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/2570b1f0780a754b70c2ec5525da16952c9634a2da6b21c92693380529daffe2/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-01-13 03:50:30 UTC
AV detection:
19 of 44 (43.18%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=evyld4dybj2uw4gc5rkslwqwsuwjmnfc3jvsdsjgsm4akko277ra._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
netwirerc
Create hunting rule
Similar samples:
18030a9ea4cf60ea858db8b302cdd94962069f232be6212787ad1ddca0bbbe54
Formbook
46c3ab59682596a8e030fb0bad3d31c59e502f68b9f3c112309edd82d27513c3
Formbook
5c1d2289de5b338620bb43ede89d6d7afcf86cc4d2b20db3a3f20e5579e925fe
Formbook
66c90051427f1fa801535028868a50ca3302392836ceaf8804c992e9f20dc372
Formbook
787e10aed324cae24ab5136f95deb95efe8715a6bd7ced09028b2ee21d228a5e
Formbook
82c53ee74253581efe369c99373d6c978b3b9b799eb04de6c4eb59d2825e8ee2
Formbook
9b9d8f51a8cf586b0380629f644676e0dce350466b06224523e01db393522339
Formbook
b7f9546fa9fb928d856b69a70174d693a84c641ad193e88e48c07cdb92751e03
Formbook
c611c4446e4604531e8e096508422fd01b23d26c424f9625d049e7edaf4f566a
Formbook
ec4ee2fa916e9fc280f06af0ceded7835693723ebbc6c60bd6e371b5d4ad006a
Formbook
+ 3'330 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/210113-65hww9cy8a/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.printmeroyal.com/ndm/
Unpacked files
SH256 hash:
2570b1f0780a754b70c2ec5525da16952c9634a2da6b21c92693380529daffe2
MD5 hash:
026b337a051a03e14690154785c25b76
SHA1 hash:
9cedfcf4ef7f1aef400ff9ff39d31e7882757837
Link:
https://www.unpac.me/results/01fcf826-5968-4373-b7bf-608895179eca/
SH256 hash:
88b50c843992e58d0284e49fce51d4d7e0a9359c55b8f53519306829b565d8d8
MD5 hash:
eccfe7db63adc6118f66fdf3bbcabc4b
SHA1 hash:
52e3044d3294c6049dc01cbdffc88961b404c84a
Link:
https://www.unpac.me/results/01fcf826-5968-4373-b7bf-608895179eca/
SH256 hash:
64a419709ad219ffc006bda776b650da486d55048d2fa34525f40227da0e5c86
MD5 hash:
88c0ec8398978fa2e4240f02765086ad
SHA1 hash:
5a5c4935b2d70e890c89ad9332365f4f4aa86f3c
Link:
https://www.unpac.me/results/01fcf826-5968-4373-b7bf-608895179eca/
SH256 hash:
fc6c2bd202271990e877d01cd2c119fbf5daa9c3460bc9e96127ef258affa7e1
MD5 hash:
89c3f5a562e255b5b913df3dd50564dc
SHA1 hash:
2e7a564baadcffb7290c9c658463d1e3d987c66d
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/01fcf826-5968-4373-b7bf-608895179eca/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/2570b1f0780a754b70c2ec5525da16952c9634a2da6b21c92693380529daffe2

File information

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

Web download

Formbook

Executable exe 2570b1f0780a754b70c2ec5525da16952c9634a2da6b21c92693380529daffe2

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/111693/
  
URLhaus
https://urlhaus.abuse.ch/url/957286/
  
Delivery method
Distributed via web download

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