MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 afa4507bce58af7b4050b41a86eabf424ac0e89a69b8a962c1dd58a1620457b5. 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: 17


Intelligence 17 IOCs YARA 2 File information Comments
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SHA256 hash: afa4507bce58af7b4050b41a86eabf424ac0e89a69b8a962c1dd58a1620457b5
SHA3-384 hash: 4962eb52fdb82ea95a7edd88bdfe2ba2fd695ac5276e7d46b069e60d0a4591d1a0378936a2f0f8a408fc66b1fb5540d6
SHA1 hash: 831d402d785af292cd0187a8de0f44c4eb9a5f0a
MD5 hash: d9a78b37ec78ac0e517c6dcbfd931357
humanhash: illinois-dakota-twelve-idaho
File name:triage_dropped_file
Download: download sample
Signature Formbook
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File size:715'776 bytes
First seen:2022-08-04 14:49:17 UTC
Last seen:2022-08-04 16:25:30 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:+aJg6SKlpxavkX2Wx4HMiFqGF4CSXNr1VwwMXDcm:ZnLlpxRXCsIqO4CSpwwMX
TLSH T1FCE4F15132AA8F03E6BB5FF5B221506107F2212B7566E2984DD67CFB94B3B430A91F07
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 malwarelabnet
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
452
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
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ID:
1
File name:
triage_dropped_file
Verdict:
Malicious activity
Analysis date:
2022-08-04 14:51:25 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/0789f39f-5793-441d-8967-b50e8c5a6f4e

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
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Link:
https://www.capesandbox.com/analysis/296504/
Detection(s):
SecuriteInfo.com.Trojan.Olock.1.12831.13252.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62ebdcd8d40ca366615cca4e/reports/91ca949e-b81e-4597-b19d-1d4654715c59/overview
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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/70098c51-e646-4e68-a3c4-fffe8db925a7
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1046335
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
Performs DNS queries to domains with low reputation
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: 678827 Sample: triage_dropped_file Startdate: 04/08/2022 Architecture: WINDOWS Score: 100 38 Malicious sample detected (through community Yara rule) 2->38 40 Antivirus detection for URL or domain 2->40 42 Multi AV Scanner detection for submitted file 2->42 44 7 other signatures 2->44 10 triage_dropped_file.exe 3 2->10         started        process3 file4 30 C:\Users\user\...\triage_dropped_file.exe.log, ASCII 10->30 dropped 56 Tries to detect virtualization through RDTSC time measurements 10->56 14 triage_dropped_file.exe 10->14         started        signatures5 process6 signatures7 58 Modifies the context of a thread in another process (thread injection) 14->58 60 Maps a DLL or memory area into another process 14->60 62 Sample uses process hollowing technique 14->62 64 Queues an APC in another process (thread injection) 14->64 17 explorer.exe 14->17 injected process8 dnsIp9 32 www.westsernschools.com 185.53.179.170, 49701, 80 TEAMINTERNET-ASDE Germany 17->32 34 www.guangguan.net 156.229.194.52, 49702, 80 ONL-HKOCEANNETWORKLIMITEDHK Seychelles 17->34 36 4 other IPs or domains 17->36 46 System process connects to network (likely due to code injection or exploit) 17->46 48 Performs DNS queries to domains with low reputation 17->48 21 rundll32.exe 17->21         started        24 autofmt.exe 17->24         started        signatures10 process11 signatures12 50 Modifies the context of a thread in another process (thread injection) 21->50 52 Maps a DLL or memory area into another process 21->52 54 Tries to detect virtualization through RDTSC time measurements 21->54 26 cmd.exe 1 21->26         started        process13 process14 28 conhost.exe 26->28         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/afa4507bce58af7b4050b41a86eabf424ac0e89a69b8a962c1dd58a1620457b5/
Threat name:
ByteCode-MSIL.Trojan.LokiBot
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Status:
Malicious
First seen:
2022-08-04 07:47:24 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
24 of 38 (63.16%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=v6sfa66olcxxwqcqwqnin2v7ijfmb2e2ng4ksywb3vmkcyqek62q._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:gu5d rat spyware stealer trojan
Link:
https://tria.ge/reports/220804-r7kwqagae9/
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 WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook payload
Formbook
Unpacked files
SH256 hash:
224e7d67688538eb0e6ec821f5fae6a1c7fa214ec02475492970c786e05c212b
MD5 hash:
8cc29d07418d4b8a371e04fe0e48ce17
SHA1 hash:
515686f3551907cedcfad1c87b0787566762de40
Detections:
win_formbook_g0
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win_formbook_auto
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FormBook
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Link:
https://www.unpac.me/results/bd911d09-c281-4e9d-8300-a780494f9b1a/
Parent samples :
afa4507bce58af7b4050b41a86eabf424ac0e89a69b8a962c1dd58a1620457b5
c26813c2c4b46891c4198000251212c525ef1079f680121a50ed5cefd4e39120
02099eff8c8367527b831448f397741f49f34ee22d581b7a7776755fe3479e94
SH256 hash:
4c0ef8615f838fce4b4bf470e1146392c5edcbcfa9a98af9b7e604cabd706131
MD5 hash:
53eacef36583acf62a25534ffecb16c0
SHA1 hash:
f900a1244902dd08eaad1a6d797bad6b5a907064
Link:
https://www.unpac.me/results/bd911d09-c281-4e9d-8300-a780494f9b1a/
SH256 hash:
059fa1a71c3b87e805d5600fe660e42cad09106ce72b3b87355e1ffc62273b52
MD5 hash:
a8a141443d72a2ec95d2d315861e7237
SHA1 hash:
ed9915639e6f2f565b3427924992050035dcd0b0
Link:
https://www.unpac.me/results/bd911d09-c281-4e9d-8300-a780494f9b1a/
SH256 hash:
39c2d879c57f07305ce60412dc8a88f02e51f1a14a06cc605768d1d7f5313807
MD5 hash:
db51fe170a9e5d6ec5429a2fbd9d0353
SHA1 hash:
e30a58125fc41322db6cf2ccb6a6d414ed379016
Link:
https://www.unpac.me/results/bd911d09-c281-4e9d-8300-a780494f9b1a/
SH256 hash:
245285de3fb95d342586f117b1d0a3a98d053bef57a3422e01b4f53acce5687d
MD5 hash:
407eeb404997e3ee74786b92f649ac80
SHA1 hash:
9ca4a2b749396416c950d25773f6d651af53019e
Link:
https://www.unpac.me/results/bd911d09-c281-4e9d-8300-a780494f9b1a/
SH256 hash:
a9c5b2c628a47247402ff05d399855caf6f6a22146d44cd0fd9d7fc05a65ba66
MD5 hash:
228ff1006be83039e4de2b5e0475a5b0
SHA1 hash:
3adef5cc343067fa6b9d5e712114dc619c867a72
Link:
https://www.unpac.me/results/bd911d09-c281-4e9d-8300-a780494f9b1a/
SH256 hash:
afa4507bce58af7b4050b41a86eabf424ac0e89a69b8a962c1dd58a1620457b5
MD5 hash:
d9a78b37ec78ac0e517c6dcbfd931357
SHA1 hash:
831d402d785af292cd0187a8de0f44c4eb9a5f0a
Link:
https://www.unpac.me/results/bd911d09-c281-4e9d-8300-a780494f9b1a/
Malware family:
FormBook
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/afa4507bce58/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.81
Link:
https://yomi.yoroi.company/submissions/afa4507bce58af7b4050b41a86eabf424ac0e89a69b8a962c1dd58a1620457b5

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
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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/296504/

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