MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a836f58331e704400ed167283097dd77e26bb2653ac41c7fc1fc767196a60b66. 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 3 File information Comments

SHA256 hash: a836f58331e704400ed167283097dd77e26bb2653ac41c7fc1fc767196a60b66
SHA3-384 hash: 41027866ad8f8fbaf1dfe5a9025e7b9cf20e4e6c723c618660cf8cc26f84594a9661d37ba9674496490134c133ecd939
SHA1 hash: e4ea10874b4b849033d20b0e83c0e96f9f1ff766
MD5 hash: a5c42cdb9a96c2b4b2530a176ced37e3
humanhash: lion-nitrogen-seventeen-island
File name:DHL_AWB_1301145024.exe
Download: download sample
Signature Formbook
File size:504'320 bytes
First seen:2021-12-21 12:49:31 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'643 x Formbook, 12'245 x SnakeKeylogger)
ssdeep 12288:jq2oGdwn+hrnds905bNGwuQSrLN81pD0xWQnw9lD3s:47+hrdsO5bNGwuJd81hAWQwT3s
Threatray 15'468 similar samples on MalwareBazaar
TLSH T16FB4BF163D81E6DAFC37EAB1D86671F50761BEEAD440E1CFF6C03D4AB872A108624572
File icon (PE):PE icon
dhash icon 834583b9b5b4eccc (7 x njrat, 1 x Formbook)
Reporter malwarelabnet
Tags:exe FormBook xloader formbook

Intelligence


File Origin
# of uploads :
1
# of downloads :
179
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
DHL_AWB_1301145024.exe
Verdict:
Malicious activity
Analysis date:
2021-12-21 12:50:35 UTC
Tags:
trojan formbook stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Searching for synchronization primitives
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
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.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
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
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:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 543413 Sample: DHL_AWB_1301145024.exe Startdate: 21/12/2021 Architecture: WINDOWS Score: 100 30 Found malware configuration 2->30 32 Malicious sample detected (through community Yara rule) 2->32 34 Multi AV Scanner detection for submitted file 2->34 36 7 other signatures 2->36 10 DHL_AWB_1301145024.exe 3 2->10         started        process3 file4 28 C:\Users\user\...\DHL_AWB_1301145024.exe.log, ASCII 10->28 dropped 46 Tries to detect virtualization through RDTSC time measurements 10->46 48 Injects a PE file into a foreign processes 10->48 14 DHL_AWB_1301145024.exe 10->14         started        signatures5 process6 signatures7 50 Modifies the context of a thread in another process (thread injection) 14->50 52 Maps a DLL or memory area into another process 14->52 54 Sample uses process hollowing technique 14->54 56 Queues an APC in another process (thread injection) 14->56 17 explorer.exe 14->17 injected process8 process9 19 WWAHost.exe 17->19         started        signatures10 38 Self deletion via cmd delete 19->38 40 Modifies the context of a thread in another process (thread injection) 19->40 42 Maps a DLL or memory area into another process 19->42 44 Tries to detect virtualization through RDTSC time measurements 19->44 22 cmd.exe 1 19->22         started        24 explorer.exe 1 152 19->24         started        process11 process12 26 conhost.exe 22->26         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-12-21 10:23:40 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
21 of 28 (75.00%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:a6hs loader rat suricata
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
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
7556dd67d8c308f207cd8921e5731f0f92b9f409dcb8d6911e3c75ad0495d319
MD5 hash:
a316fa60e80eaf2c45d9cfe27b05989b
SHA1 hash:
d6c345217d5e4b0dd0b111c5b0a71b1f2de1b902
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
7f8c7c864e570ad829a57a08823f5c140edc075afcb4fb10aceaa0962bc1f18b
MD5 hash:
1f8661bb76056aaf1bb32d12303469af
SHA1 hash:
b8209cb66b34aab639375b08c57295c611abc595
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
SH256 hash:
a836f58331e704400ed167283097dd77e26bb2653ac41c7fc1fc767196a60b66
MD5 hash:
a5c42cdb9a96c2b4b2530a176ced37e3
SHA1 hash:
e4ea10874b4b849033d20b0e83c0e96f9f1ff766
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

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