MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 51a2542d1b273f9d3d1c1b8817d77451c46bdb03e22c7b25c05f383b289305d0. 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: 16


Intelligence 16 IOCs YARA 3 File information Comments
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SHA256 hash: 51a2542d1b273f9d3d1c1b8817d77451c46bdb03e22c7b25c05f383b289305d0
SHA3-384 hash: 5c92d80065904433b27a828f2bb338952e14d1035e0f3608479509c1ef5f1d3b0eb4339651e2b1f9af60c2e2142cc70a
SHA1 hash: d8263265426c4d673948be661d6254c49e1da6b2
MD5 hash: 6d5164ff97b46d355834bb135fc174cd
humanhash: berlin-grey-uniform-west
File name:PONM100021791.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:686'080 bytes
First seen:2022-11-02 05:22:16 UTC
Last seen:2022-11-02 07:13:55 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'603 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:OVAgHtDg5xE1A5a4Kshw8GRw+lInuCW4Xjo1AxKMyHhu/NhqNRa9:y4Padsheh6xvyHhu2i
Threatray 16'386 similar samples on MalwareBazaar
TLSH T12DE4BF3429EB622EF273DF711FD478EE89EEF7222606B46E145107C60712E41DE9163A
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)
File icon (PE):PE icon
dhash icon 0c00ccecb892b1a8 (9 x AgentTesla, 5 x Formbook)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
264
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
PONM100021791.exe
Verdict:
Malicious activity
Analysis date:
2022-11-02 05:24:20 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/60ad4dc7-cb36-4b80-b1dd-d4ba4b8a1a49

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/326984/
Detection(s):
SecuriteInfo.com.Trojan.Siggen9.48175.11614.14859.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Creating a file
Searching for synchronization primitives
Launching a process
Reading critical registry keys
Сreating synchronization primitives
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6361feb7a5db8d309cbc4cd0/reports/53d259e6-5378-4001-8afb-2a0b9f38f21c/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/ffb05f8d-ce0c-44e7-9da3-10107cdb71bb
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1102976
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains very large strings
C2 URLs / IPs found in 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 AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 735637 Sample: PONM100021791.exe Startdate: 02/11/2022 Architecture: WINDOWS Score: 100 36 Malicious sample detected (through community Yara rule) 2->36 38 Multi AV Scanner detection for submitted file 2->38 40 Yara detected AntiVM3 2->40 42 7 other signatures 2->42 10 PONM100021791.exe 3 2->10         started        process3 file4 28 C:\Users\user\...\PONM100021791.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 PONM100021791.exe 10->14         started        signatures5 process6 signatures7 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 17 explorer.exe 14->17 injected process8 dnsIp9 30 www.cheyanderson.com 75.126.101.227, 49700, 80 SOFTLAYERUS United States 17->30 32 www.longergolf.com 17->32 34 d2xy3q3s47shjm.cloudfront.net 52.222.144.53, 49699, 80 AMAZON-02US United States 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 21 cmstp.exe 17->21         started        signatures10 process11 signatures12 46 Modifies the context of a thread in another process (thread injection) 21->46 48 Maps a DLL or memory area into another process 21->48 50 Tries to detect virtualization through RDTSC time measurements 21->50 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/51a2542d1b273f9d3d1c1b8817d77451c46bdb03e22c7b25c05f383b289305d0/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-11-02 01:25:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=kgrfili3e47z2pi4doebpv3ukhcgxwyd4iwhwjoal44dwketaxia._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
314e94266446785d903e9183fd752aa7a4beb6c131879011b6fe7794f7620b3a
Formbook
46cbbf73c50dd90268f30bec98085b53402a7de7d0911f4045fb286162687e60
Formbook
6bd24ce0a16599d97686146c6a822023f0f4896fcee914eed9a4e45a7e46b864
Formbook
7d9650c0643e34d7b2485adaba2e2e2171e769d99e61839bda67e38cb595c312
Formbook
afa4507bce58af7b4050b41a86eabf424ac0e89a69b8a962c1dd58a1620457b5
Formbook
bf77d2a22aab1da7767128bcfdc9e1b31d46619a044b932b9dfa37cdc43eb65c
Formbook
c96178775d7f8dd8b06a4e59aad0367f36abc11680081acfcc2b446fb0ee28b1
Formbook
d0346d773a9ca3e5ec04d8b944788cd01c5c929b829a901848d46188c8d47c5b
Formbook
d099e42a4c8649fe039ab52c7f479a31e897242f211a0c2e073aeaf12fcd34ee
Formbook
d148803569f98a5ca1d00a15ec120e5fae409d0a47b301b67b4cc5772098cd8f
Formbook
+ 16'376 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:g47e rat spyware stealer trojan
Link:
https://tria.ge/reports/221102-f25hdsacfm/
Behaviour
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook payload
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/1d11832b-cd3b-4685-a8e4-57146772063f
Unpacked files
SH256 hash:
00ba906c2cbf39e9ce07fbd3c9a516919da5cf3aa6500e3896a1d8cfbe3d6ea4
MD5 hash:
febe6442602cc5df18074ff14f4eddb5
SHA1 hash:
9b9e5d212672cdbdeed7d36bf90b6f0116e70476
Detections:
FormBook
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/dec18919-26ec-4496-a720-d46b5f9a62e0/
Parent samples :
3c35a04edd86465c4f752711854c9bc1a902395c647067b5e88c53895654906f
737b1dfa1329a868ec8f854a6bce10cafa4e0e04d16b2e73db1e9fb29e54d2fd
93c2315009ff086b25c1000011c5097117f466d04866bebd396989b59b35835e
76c7d2803113f28e42c8421072c002e0b4bd72ecfec7e2727768931cfd328fa3
51a2542d1b273f9d3d1c1b8817d77451c46bdb03e22c7b25c05f383b289305d0
SH256 hash:
a327516357b9fa1a75753b3fbd0030e13f374be7cefcdf983d0b731f278b0c59
MD5 hash:
404efdeb9931733904da07f96fabeb72
SHA1 hash:
7ce363cd612f1d9a90b33ec196c4d0a49cdaee02
Link:
https://www.unpac.me/results/dec18919-26ec-4496-a720-d46b5f9a62e0/
SH256 hash:
fdfc77a00f424b54d3ee90fb7ded0d71cc002e01c619a175314a2c08456bbac3
MD5 hash:
5f5f843cae2b21c094fda724a9f3f226
SHA1 hash:
18199f913872088047703eb1d324681a2a6f654c
Link:
https://www.unpac.me/results/dec18919-26ec-4496-a720-d46b5f9a62e0/
SH256 hash:
51a2542d1b273f9d3d1c1b8817d77451c46bdb03e22c7b25c05f383b289305d0
MD5 hash:
6d5164ff97b46d355834bb135fc174cd
SHA1 hash:
d8263265426c4d673948be661d6254c49e1da6b2
Link:
https://www.unpac.me/results/dec18919-26ec-4496-a720-d46b5f9a62e0/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/51a2542d1b27/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.55
Link:
https://yomi.yoroi.company/submissions/51a2542d1b273f9d3d1c1b8817d77451c46bdb03e22c7b25c05f383b289305d0

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:pdb_YARAify
Create hunting rule
Author:@wowabiy314
Description:PDB
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 51a2542d1b273f9d3d1c1b8817d77451c46bdb03e22c7b25c05f383b289305d0

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/326984/

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