MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1a3d8d7cefa47efda76740c899a3c90f7e959a6a980b2506eb7e36cda9ea1932. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1a3d8d7cefa47efda76740c899a3c90f7e959a6a980b2506eb7e36cda9ea1932
SHA3-384 hash: 36672a5fbf184ad0ce1bc63dc987782e7e7dfcfbc8253e3422a3028eb6e85297942821d8986a61ddd74e86a617fdf186
SHA1 hash: 8d699f636ffdb2a9082944772ea4dcc020819467
MD5 hash: fa7e1a40227da3d37a9cfd21168d5613
humanhash: california-purple-papa-apart
File name:Xv3EelkdCQFMpgg.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:761'344 bytes
First seen:2022-08-01 15:17:53 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'743 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:2sH2iNSg6SKlpxA+N5p2JQsR5gYN1MA8FEBUUPHHVEXop5ml36LJl:2I1SLlpxA8+hHsFOUUvVMl3e
TLSH T1C4F4F092E36E1F97C0274BF5AC2584441B66B3AE512CD6096DFEB8EB90727C34152F0B
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 GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
377
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/295635/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Launching a process
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62e7eee9bcf76fcb6cd89c11/reports/c255b4eb-36b4-4ae1-8cf1-8f9e96b41e0b/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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/7301a7f7-17ab-43d2-b18f-798ed9227cab
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1044278
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
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)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
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)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 676770 Sample: Xv3EelkdCQFMpgg.exe Startdate: 01/08/2022 Architecture: WINDOWS Score: 100 31 www.riseaboveaba.org 2->31 33 riseaboveaba.org 2->33 35 www.impartialmodelagency.com 2->35 39 Snort IDS alert for network traffic 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 Antivirus detection for URL or domain 2->43 45 7 other signatures 2->45 9 Xv3EelkdCQFMpgg.exe 3 2->9         started        signatures3 process4 file5 23 C:\Users\user\...\Xv3EelkdCQFMpgg.exe.log, ASCII 9->23 dropped 51 Injects a PE file into a foreign processes 9->51 13 Xv3EelkdCQFMpgg.exe 9->13         started        signatures6 process7 signatures8 53 Modifies the context of a thread in another process (thread injection) 13->53 55 Maps a DLL or memory area into another process 13->55 57 Sample uses process hollowing technique 13->57 59 Queues an APC in another process (thread injection) 13->59 16 explorer.exe 13->16 injected process9 dnsIp10 25 www.questacross.com 16->25 27 hdr-nlb5-4e815dd67a14bf7f.elb.us-east-2.amazonaws.com 3.130.253.23, 49719, 80 AMAZON-02US United States 16->27 29 traff-2.hugedomains.com 16->29 37 System process connects to network (likely due to code injection or exploit) 16->37 20 explorer.exe 16->20         started        signatures11 process12 signatures13 47 Modifies the context of a thread in another process (thread injection) 20->47 49 Maps a DLL or memory area into another process 20->49
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/1a3d8d7cefa47efda76740c899a3c90f7e959a6a980b2506eb7e36cda9ea1932/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-08-01 07:05:59 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=di6y27hpur7p3j3hidejti6jb57jlgtktafskbxlpy3m3kpkdeza._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/220801-splkzaafc9/
Behaviour
Gathers network information
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
Checks computer location settings
Unpacked files
SH256 hash:
52fb2927696f4f6c2959ad28e65229e4ec3b99a623cedaea58c2e5603b864d4e
MD5 hash:
06064ddefa83a4c355e7cfdaf58fcd29
SHA1 hash:
2027d239cd209a6ba6e042f152ac6128b81c3647
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/0cdf159b-e83c-4f0d-93b0-152c5647d6e8/
Parent samples :
1a3d8d7cefa47efda76740c899a3c90f7e959a6a980b2506eb7e36cda9ea1932
c5eceace14b9e15d482d291de15d27b2cc87dbc7748dc56d38d313a00e9c5bcb
4576cd506ab4b77c1980727f782ae608e154cb21feacc745b5ad11a7bacaf20d
SH256 hash:
39c2d879c57f07305ce60412dc8a88f02e51f1a14a06cc605768d1d7f5313807
MD5 hash:
db51fe170a9e5d6ec5429a2fbd9d0353
SHA1 hash:
e30a58125fc41322db6cf2ccb6a6d414ed379016
Link:
https://www.unpac.me/results/0cdf159b-e83c-4f0d-93b0-152c5647d6e8/
SH256 hash:
c2ba3d5d5ef93442e062f526051e1d5c994273abcfbb3099c02fbb1c23f50086
MD5 hash:
dcfa4e368b2f6707f841db6b1f41d44d
SHA1 hash:
7087e3919eb3909c97669df04375938b253cb7a8
Link:
https://www.unpac.me/results/0cdf159b-e83c-4f0d-93b0-152c5647d6e8/
SH256 hash:
a9c5b2c628a47247402ff05d399855caf6f6a22146d44cd0fd9d7fc05a65ba66
MD5 hash:
228ff1006be83039e4de2b5e0475a5b0
SHA1 hash:
3adef5cc343067fa6b9d5e712114dc619c867a72
Link:
https://www.unpac.me/results/0cdf159b-e83c-4f0d-93b0-152c5647d6e8/
SH256 hash:
658b9d005e9b578a780b6721ba0453063e80860b53a673339f738b7d122b97e9
MD5 hash:
9c04898e32a5f20c04ca62c641ca0a10
SHA1 hash:
3063aff38a8a1e9ac22eaa7c02bf0cfe0128cce2
Link:
https://www.unpac.me/results/0cdf159b-e83c-4f0d-93b0-152c5647d6e8/
SH256 hash:
1a3d8d7cefa47efda76740c899a3c90f7e959a6a980b2506eb7e36cda9ea1932
MD5 hash:
fa7e1a40227da3d37a9cfd21168d5613
SHA1 hash:
8d699f636ffdb2a9082944772ea4dcc020819467
Link:
https://www.unpac.me/results/0cdf159b-e83c-4f0d-93b0-152c5647d6e8/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/1a3d8d7cefa47efda76740c899a3c90f7e959a6a980b2506eb7e36cda9ea1932

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
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 1a3d8d7cefa47efda76740c899a3c90f7e959a6a980b2506eb7e36cda9ea1932

(this sample)

  
Dropped by
Formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/295635/

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