MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1af5390c5886b3834bdc71c325178365018efb062c2922227585d14a1ae1703a. 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: 11


Intelligence 11 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1af5390c5886b3834bdc71c325178365018efb062c2922227585d14a1ae1703a
SHA3-384 hash: 8b3bc06e03f9d708e05f7ba0c71b956e3dd2065f7d65144e30fe7e562cf0aa75005cb1889740161b0b165824c0fe9e50
SHA1 hash: e4b1627e7741aa7504cfacf7cb57a8e4e873f975
MD5 hash: 5c06436cc09542efa8a55bb53fda3cb3
humanhash: don-washington-lemon-ten
File name:rLizzie234.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:636'528 bytes
First seen:2023-05-23 11:59:19 UTC
Last seen:2023-05-23 13:34:45 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 3abe302b6d9a1256e6a915429af4ffd2 (271 x GuLoader, 38 x Formbook, 25 x Loki)
ssdeep 12288:04+L3gMNEauRir739UP+iexV6wZVm827wAI8yM0nRwfoWRgyZOr8qiEE7Gm:a80EauRir7NUPoS7w71VRwfoWRgy4Yqc
Threatray 970 similar samples on MalwareBazaar
TLSH T138D4DF023F2CA59CD5F4C6B133578BF60BA9AE2AC4F112CAB7C5731D6D749920A9E502
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 88a4c0c8d8d062be (3 x GuLoader, 3 x Formbook)
Reporter FXOLabs
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
279
Origin country :
BR BR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
rLizzie234.exe
Verdict:
Malicious activity
Analysis date:
2023-05-23 12:02:05 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/f191beaa-db0f-4dbc-92b4-6f83dfe7cf5b

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.BackDoor.HRDP.38.4359.6678.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% subdirectories
Creating a file in the %temp% directory
Creating a file
Delayed reading of the file
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/87572/overview
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
buer guloader lolbin overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/646caac326c2edd7e1439dff/reports/1215fb6f-b635-45b8-91db-a62a05a4b205/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_70%
Link:
https://www.hybrid-analysis.com/sample/1af5390c5886b3834bdc71c325178365018efb062c2922227585d14a1ae1703a
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/715a1764-fcf8-48ef-8c64-097087fd199a
Result
Threat name:
GuLoader
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1240783
Signature
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Tries to detect virtualization through RDTSC time measurements
Yara detected GuLoader
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1af5390c5886b3834bdc71c325178365018efb062c2922227585d14a1ae1703a/
Threat name:
Win32.Trojan.GuLoader
Create hunting rule
Status:
Malicious
First seen:
2023-05-22 13:32:18 UTC
File Type:
PE (Exe)
Extracted files:
11
AV detection:
17 of 23 (73.91%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=dl2tsdcyq2zygs64ohbskf4dmuay56ygfquseitvqxiuugxboa5a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0817943597641dc344c58a61071528b41db751494afc47a2e94ff39e8c6b9907
Formbook
169fdf358714cd65c4451fe9ec9cb72217367296298f5b570b3e6c74f1a59f61
Formbook
31d9c25d965fa6de72c0c376159c19da21bc5dcd579bc038b2134d19b1ca9ab2
Formbook
40af7ea5c438a5e5d39e726925d6ce11eadb0438f7dcaa50e753e7bb393f6775
Formbook
b534709b0de0c4392af03fea261580b08915ae1e5a55496f85dc21500c6a8338
Formbook
c8a94c78a7376f91457a32319670c828f10d5616712154c969ef65bee7de122f
Formbook
c8edfb818e8a68ef4c127122bf9ae430d6d43ece8c9e70627cccb44e486f2827
Formbook
dbb615f3effa4483d620bf911040f7fcf05b5c9b6f1b588e17d19c23e089e5c5
Formbook
e4e2091a348b6f883c60951545d1318dae365658c50f7a5d342144f42aa224d6
Formbook
f96d103be6f5190c2e3299c0f49d88003f84abb0a20a90220c6e5376635eb617
Formbook
+ 960 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery
Link:
https://tria.ge/reports/230523-n6asksfb55/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Windows directory
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Checks installed software on the system
Legitimate hosting services abused for malware hosting/C2
Checks QEMU agent file
Checks computer location settings
Loads dropped DLL
Unpacked files
SH256 hash:
a1390a78533c47e55cc364e97af431117126d04a7faed49390210ea3e89dd0e1
MD5 hash:
fbe295e5a1acfbd0a6271898f885fe6a
SHA1 hash:
d6d205922e61635472efb13c2bb92c9ac6cb96da
Link:
https://www.unpac.me/results/8526ad4b-2356-457d-ad20-4b5a9d8075e3/
SH256 hash:
1af5390c5886b3834bdc71c325178365018efb062c2922227585d14a1ae1703a
MD5 hash:
5c06436cc09542efa8a55bb53fda3cb3
SHA1 hash:
e4b1627e7741aa7504cfacf7cb57a8e4e873f975
Link:
https://www.unpac.me/results/8526ad4b-2356-457d-ad20-4b5a9d8075e3/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.33
Link:
https://yomi.yoroi.company/submissions/1af5390c5886b3834bdc71c325178365018efb062c2922227585d14a1ae1703a

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:Ins_NSIS_Buer_Nov_2020_1
Create hunting rule
Author:Arkbird_SOLG
Description:Detect NSIS installer used for Buer loader

File information

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

Malspam

Formbook

Executable exe 1af5390c5886b3834bdc71c325178365018efb062c2922227585d14a1ae1703a

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments