MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2b185f27d6cc8644eac018ea1cb8f6d77aac1214d7b8afca0150521b2ad7be72. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2b185f27d6cc8644eac018ea1cb8f6d77aac1214d7b8afca0150521b2ad7be72
SHA3-384 hash: e349ce56fcc460954e125492d06fadd2a4d91155fc34838347f46aeff1d24b030145bc5412514c0ce95cbef7498da873
SHA1 hash: 4b32d666ee4ed581eb141f64b9332f6074ae5b38
MD5 hash: c4d3f0c24232673127c8bebc76cb44b5
humanhash: moon-high-ten-cold
File name:c4d3f0c24232673127c8bebc76cb44b5.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:547'840 bytes
First seen:2022-06-28 10:26:22 UTC
Last seen:2022-07-15 03:46:14 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:/wfo2iN/2iNK5YgxPnxTezr48t/m4u7fySkPRxliW1:Yfo1J1wSgpU5tq5kPRrh
TLSH T1ECC4124922D40B2CE6FB03F924ADAA141B74700DA2E1E51F7DF123EDF9A1B7445A0B5B
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
216
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/283887/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Verdict:
No Threat
Threat level:
  2/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62bad78203fa367ea5848319/reports/3282f1d8-1e0d-4f09-a0a5-12f56dfe2253/overview
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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/43c37e37-5d44-4eac-93f7-89c70dcc6c94
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1021111
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in 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)
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 AntiVM3
Yara detected FormBook
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 653606 Sample: PTskTxw0zD.exe Startdate: 28/06/2022 Architecture: WINDOWS Score: 100 33 www.takebackarkansas.com 2->33 35 takebackarkansas.com 2->35 39 Malicious sample detected (through community Yara rule) 2->39 41 Antivirus detection for URL or domain 2->41 43 Multi AV Scanner detection for submitted file 2->43 45 8 other signatures 2->45 11 PTskTxw0zD.exe 3 2->11         started        signatures3 process4 file5 31 C:\Users\user\AppData\...\PTskTxw0zD.exe.log, ASCII 11->31 dropped 55 Tries to detect virtualization through RDTSC time measurements 11->55 15 PTskTxw0zD.exe 11->15         started        signatures6 process7 signatures8 57 Modifies the context of a thread in another process (thread injection) 15->57 59 Maps a DLL or memory area into another process 15->59 61 Sample uses process hollowing technique 15->61 63 Queues an APC in another process (thread injection) 15->63 18 explorer.exe 15->18 injected process9 dnsIp10 37 www.ilovepwnage.com 103.224.182.252, 49765, 80 TRELLIAN-AS-APTrellianPtyLimitedAU Australia 18->37 47 System process connects to network (likely due to code injection or exploit) 18->47 22 control.exe 18->22         started        25 autoconv.exe 18->25         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 27 cmd.exe 1 22->27         started        process14 process15 29 conhost.exe 27->29         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/2b185f27d6cc8644eac018ea1cb8f6d77aac1214d7b8afca0150521b2ad7be72/
Threat name:
ByteCode-MSIL.Trojan.FormBook
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Status:
Malicious
First seen:
2022-06-28 10:27:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=fmmf6j6wzsdej2waddvbzohw255kyequ264k7sqbkbjbwkwxxzza._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:g2y4 rat spyware stealer trojan
Link:
https://tria.ge/reports/220628-mg376aaeh3/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Unpacked files
SH256 hash:
a43e8194eaae86e70b2e57b2a137585053edf7c96f83a10cf6d3c14e1cdd6efd
MD5 hash:
ed59c13362287ce1aab46b2ef5154e2f
SHA1 hash:
cc9cc4982248a260fb6c064972bd4e29743e1e40
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
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FormBook
Create hunting rule
Link:
https://www.unpac.me/results/0c39d2f2-b868-453e-b788-f89a71d2f4a7/
Parent samples :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 hash:
d568d3e72bd55902c266357ff086b676d549f0e13f6f7d6c1f6c805f1cbd2011
MD5 hash:
1109922c7f6625638a5960cc520718fa
SHA1 hash:
eb25a12bfe778131c7b2416a00c53e9b6fae0c5e
Link:
https://www.unpac.me/results/0c39d2f2-b868-453e-b788-f89a71d2f4a7/
SH256 hash:
0cb6aef1fa57d11408e47ae071485ef8f48c2982997b8d74b47a4151d85b978c
MD5 hash:
843aa6edf83bff7b61c6a5369ef41e95
SHA1 hash:
d1bfeec8eaac9a1dacf2f7062ce964d8e7d77085
Link:
https://www.unpac.me/results/0c39d2f2-b868-453e-b788-f89a71d2f4a7/
SH256 hash:
b2e99f58622b6c2b47ddc75895db9e8e07b12ea7f12d208704749b92987caeb0
MD5 hash:
cd621d9e81157c68db87d68e10bf1975
SHA1 hash:
12666584b0386e1b892edaa4dc31150d328f3720
Link:
https://www.unpac.me/results/0c39d2f2-b868-453e-b788-f89a71d2f4a7/
SH256 hash:
1b4f0e29dada0d3e93406e4e813acbf6ac959f22bcbe2d0df7a3a8359f0ef0c4
MD5 hash:
881942854436c1ba0d323c2d7293d9a6
SHA1 hash:
031cfd530d02ca4994961a0fff73a153e524fb76
Link:
https://www.unpac.me/results/0c39d2f2-b868-453e-b788-f89a71d2f4a7/
SH256 hash:
2b185f27d6cc8644eac018ea1cb8f6d77aac1214d7b8afca0150521b2ad7be72
MD5 hash:
c4d3f0c24232673127c8bebc76cb44b5
SHA1 hash:
4b32d666ee4ed581eb141f64b9332f6074ae5b38
Link:
https://www.unpac.me/results/0c39d2f2-b868-453e-b788-f89a71d2f4a7/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/2b185f27d6cc/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/2b185f27d6cc8644eac018ea1cb8f6d77aac1214d7b8afca0150521b2ad7be72

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
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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 2b185f27d6cc8644eac018ea1cb8f6d77aac1214d7b8afca0150521b2ad7be72

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2248468/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/283887/

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