MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1583037e8ed80b3e80955da8e0138cbce6faf0fd0df77f50c7551d290ec67f2d. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1583037e8ed80b3e80955da8e0138cbce6faf0fd0df77f50c7551d290ec67f2d
SHA3-384 hash: 9db71991f7a3637a535d65c03262ea84eb19dbe7205c22ca37d23359bc328138dfeb527ead07216c2cb00dc3eaeb1c56
SHA1 hash: c0ff444b9dc5c480d9c01487148c94f7065b512a
MD5 hash: 4222391b2cc33b85ef90c1beb0ed9a51
humanhash: mexico-cat-shade-eighteen
File name:DocXpdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:642'616 bytes
First seen:2023-02-20 07:09:07 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 12288:vYcPGi4x+IMZT1/+QP5KcvHVLkFiHT7cv81gm9QxWDZf:vYcPFBv7v+iz401p2xK
Threatray 1'094 similar samples on MalwareBazaar
TLSH T126D423D41BB282AFD04355B106B4B77B5BF3EC1267B1960F27E59588249BB40E08FB72
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
207
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
DocXpdf.exe
Verdict:
Malicious activity
Analysis date:
2023-02-20 07:13:34 UTC
Tags:
autoit
Link:
https://app.any.run/tasks/95ef4195-80c0-4a15-8447-dec365efb69d

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/368296/
Detection(s):
Sanesecurity.Malware.28891.BadCo.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Сreating synchronization primitives
Launching a process
Searching for synchronization primitives
Sending a custom TCP request
Reading critical registry keys
DNS request
Sending an HTTP GET request
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Unauthorized injection to a system process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/71767/overview
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
nemesis nymeria overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/63f31ccb42bf85850e3e32cf/reports/37788be7-76c3-495c-89f4-91c813a56d2e/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/1583037e8ed80b3e80955da8e0138cbce6faf0fd0df77f50c7551d290ec67f2d
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/b60bb000-0ca0-4f71-a432-d6280469182e
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1178975
Signature
Machine Learning detection for dropped file
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
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 harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses netstat to query active network connections and open ports
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 811802 Sample: DocXpdf.exe Startdate: 20/02/2023 Architecture: WINDOWS Score: 100 33 Malicious sample detected (through community Yara rule) 2->33 35 Multi AV Scanner detection for submitted file 2->35 37 Yara detected FormBook 2->37 39 Machine Learning detection for sample 2->39 9 DocXpdf.exe 20 2->9         started        process3 file4 25 C:\Users\user\AppData\Local\Temp\ckceku.exe, PE32 9->25 dropped 12 ckceku.exe 9->12         started        process5 signatures6 55 Machine Learning detection for dropped file 12->55 57 Maps a DLL or memory area into another process 12->57 15 ckceku.exe 12->15         started        process7 signatures8 59 Modifies the context of a thread in another process (thread injection) 15->59 61 Maps a DLL or memory area into another process 15->61 63 Sample uses process hollowing technique 15->63 65 Queues an APC in another process (thread injection) 15->65 18 explorer.exe 5 6 15->18 injected process9 dnsIp10 27 thegridbracknell.com 104.243.32.4, 49714, 49715, 49716 RELIABLESITEUS United States 18->27 29 www.laksiricargo.com 217.160.0.81, 49705, 49706, 49707 ONEANDONE-ASBrauerstrasse48DE Germany 18->29 31 9 other IPs or domains 18->31 41 System process connects to network (likely due to code injection or exploit) 18->41 43 Performs DNS queries to domains with low reputation 18->43 45 Uses netstat to query active network connections and open ports 18->45 22 NETSTAT.EXE 13 18->22         started        signatures11 process12 signatures13 47 Tries to steal Mail credentials (via file / registry access) 22->47 49 Tries to harvest and steal browser information (history, passwords, etc) 22->49 51 Modifies the context of a thread in another process (thread injection) 22->51 53 Maps a DLL or memory area into another process 22->53
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1583037e8ed80b3e80955da8e0138cbce6faf0fd0df77f50c7551d290ec67f2d/
Threat name:
Win32.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2023-02-20 04:30:26 UTC
File Type:
PE (Exe)
Extracted files:
32
AV detection:
21 of 25 (84.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=cwbqg7uo3aft5aevlwuoae4mxttpv4h5bx3x6ughkuossdwgp4wq._file
Verdict:
malicious
Similar samples:
0911f0bf9c55b8b1388b01524a3d37bbe843c3a3d5a5db4047812ec1a436ec10
Formbook
2cb0d3b3c2a398a778d18b089cf68d8f7fd91808da695bee0f0fb556354efe09
Formbook
48f874286909722bc890448810d0ebd5b3b711e9511e08fcd07fea4f59910ba2
Formbook
4f285ae8e4b4fc0bc50cb639a413412a276f7d187770da6fb5e089eeeff9145e
Formbook
7a91a1cbaa20e78c0e6814b51ed7d239074c95dd348159817e16606a6a04f344
Formbook
af435f231acfc4b86e5e3df506a0c7cdbbaebf7dd582fd73eb6635b2ee77b6ad
Formbook
b69a68bd6dec2421c2f725dd9fd35f3923f81f1549a936a55d8d3a978362b952
Formbook
b6fe7602e8f288c48cf04e60306dc9349c5b9ebeb8faf35905abede7d0525480
Formbook
c76f6491f5c7c5f2ccd6ab087344e50a6a9a4741b43d6a181e2ef54eac668f65
Formbook
d0751a97dcbfedcddcf4c05434a1563f2c46c037b05744f7cbde14cd49584b61
Formbook
+ 1'084 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/230220-hzdb8saa37/
Behaviour
Enumerates system info in registry
Modifies Internet Explorer settings
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
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Unpacked files
SH256 hash:
167325efe6fbf191d05667e6c4ad4b9d6b32e6292dbf455a4fe567e6d9973d83
MD5 hash:
abba9a32da58678564a38c23589eb56e
SHA1 hash:
c938e3b5ec6e54075267d55c662d9763acf416e6
Detections:
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/d01b946f-dac4-4605-a992-a0bc97e3c0f2/
Parent samples :
1583037e8ed80b3e80955da8e0138cbce6faf0fd0df77f50c7551d290ec67f2d
730fa0df480a7101f3ba68bffa45423b39901c43b204008dfd509fcfff75d9b2
SH256 hash:
7384deff5836f906a684b1fb0c317bbcad75c1476fb93c1fbce481e19f4b8c4f
MD5 hash:
35c2cdce4bdf934d56c076ec17723643
SHA1 hash:
6170ef2c50debef0e481d52f58ccf6a87b2397aa
Link:
https://www.unpac.me/results/d01b946f-dac4-4605-a992-a0bc97e3c0f2/
SH256 hash:
e439f02b72a882498d512689f380e1323c4d8342578fe8608e81061cf4a8aee1
MD5 hash:
3d90ab79b9719aded136b7cd437ebb21
SHA1 hash:
dbec6e868a293cb0bd58d35191b1423ab8942384
Link:
https://www.unpac.me/results/d01b946f-dac4-4605-a992-a0bc97e3c0f2/
Parent samples :
90e38d684c63fee4e5d7bdd16c4409022bf9edfc7cf266b9e49936962ce37b03
24fca3cd8aad055b2284fdf5c0cd73642b88bb19de7c3137361e46529da5b67f
8a2edeef9978d454882bfb233d9cd77505618b854f7899b27aeb095ff8ebb3f4
cc7cb2ebb12103aea621ec7962819aced4680b4322bc213a9257b36c8f2dab3e
cfa0a176bad0046bd498a5a7f5140ca92734b096c541a54acd1b002f228ec47c
22f34cc0b56ea1709b3af15b41b43fc40fca2b77debb8400108d3f517ee2ed4a
607e8a91c76f444784c2cbc1090cf8724d882d9861641a1f6e0de6b2b9401859
2de4a8c16d3643a3c58c63f4e7df2836919316635c05718dac1e474b6eb7fe29
ec61895ef8af01ff00970e46f7ba98c24bf9079d71e09d3c18576f1a9efc93c2
c1955052a26634f3571423dc64d3fd10c55fdb27f29eb3afd292787693ffcf91
4d4f7a1cb34d5309e1c82e7110209c974a08b3e82eaaf7799d7d9a3a176132ca
48860a4eb801109046a591d18809b1ff3e2b658f2a09c6fb36c4948cb88eb939
08ec22dd1d931a9d4194d5e46bc42914e62227c11e9fedce2175fe6a53eb4f92
6bef7c9809b35c7a2111872544e68aa29b8323f5936b6b1122c5f4138cf6e1e8
7e18e5fe9e980c48ad67cc2ce7423e818e15c1256e2ffe4ce85c5cfbd5b30877
5dbc3e721cd340dd80bfa7d0127d920f5f2630aa4b3b3ecfb8d2af9f28f0e208
4fe8bbc88d7a8cc0eec24bd74951f1f00b5127e3899ae53de8dabd6ff417e6db
6b6676267c70fbeb3257f0bb9bce1587f0bdec621238eb32dd9f84b2bcd7e3ea
1ffa8b06cb779360f8c42ccd4527ae3076d25d11b3a90976f04ea430173e9b85
e92f111b8aa01289f72c66585219861e0117c9939de56741cbb234fee55536fe
b69687c4b9aa0c1599840ea90562d3833367e8095addfc725fc2b52fad6ee565
SH256 hash:
1583037e8ed80b3e80955da8e0138cbce6faf0fd0df77f50c7551d290ec67f2d
MD5 hash:
4222391b2cc33b85ef90c1beb0ed9a51
SHA1 hash:
c0ff444b9dc5c480d9c01487148c94f7065b512a
Link:
https://www.unpac.me/results/d01b946f-dac4-4605-a992-a0bc97e3c0f2/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/1583037e8ed8/report/overview.html
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/1583037e8ed80b3e80955da8e0138cbce6faf0fd0df77f50c7551d290ec67f2d

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:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns

File information

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

Malspam

Formbook

Executable exe 1583037e8ed80b3e80955da8e0138cbce6faf0fd0df77f50c7551d290ec67f2d

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/368296/

Comments