MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dda8401e0cf0d12cc2d6634c29ca1f248a14096a114af33e2ac21f64aaac0eb2. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: dda8401e0cf0d12cc2d6634c29ca1f248a14096a114af33e2ac21f64aaac0eb2
SHA3-384 hash: 5a03e725ebc2ed2f5cd308df2442b7507e9f8e0666e1eb3c6d39721affab9d59230474f6e1b039411601cec7aaeba458
SHA1 hash: cece6b05b8c444801db6862724cf65bdcce4e44b
MD5 hash: 90d09f391aa9bed9db5100f1a20875ea
humanhash: colorado-twenty-johnny-cold
File name:Pending invoices.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'001'231 bytes
First seen:2024-10-07 13:11:04 UTC
Last seen:2024-10-07 13:27:43 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 77b2e5e9b52fbef7638f64ab65f0c58c (12 x Formbook, 2 x Loki, 2 x AgentTesla)
ssdeep 24576:VD0tM85tbNJjldeYiYsgP+gD+HvmXV9O50ccigJSbcUfz1+ME:VD0tM85DJjl/iocviY0ccMfz1Y
Threatray 231 similar samples on MalwareBazaar
TLSH T1152533BBF668E4DFE8F25778D5E738C235458C22093B63A356B262963C38524D10B74E
TrID 87.0% (.EXE) AutoIt3 compiled script executable (510622/80/67)
4.6% (.EXE) UPX compressed Win32 Executable (27066/9/6)
4.5% (.EXE) Win32 EXE Yoda's Crypter (26569/9/4)
1.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
0.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
Magika pebin
File icon (PE):PE icon
dhash icon b150b26869b2d471 (468 x Formbook, 101 x RedLineStealer, 94 x AgentTesla)
Reporter James_inthe_box
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
392
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Pending invoices.exe
Verdict:
No threats detected
Analysis date:
2024-10-07 13:12:07 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/14960b4d-e792-44e6-9ed7-f367ca44df98

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.W32.Xpack.E.gen.Eldorado.27594.18136.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6703de24b932c04ee8fdd78a
Tags:
Nymeria Autoit Buzus
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
autoit buzus lolbin masquerade microsoft_visual_cc overlay packed packed packed shell32 upx
Link:
https://www.filescan.io/uploads/6703de282026394dae843632/reports/ecacdf73-64f0-42b9-b821-f0e0b46cf577/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/dda8401e0cf0d12cc2d6634c29ca1f248a14096a114af33e2ac21f64aaac0eb2
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/8313a14b-a706-4fdb-8194-274697cf684a
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad.spyw
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1528075
Signature
AI detected suspicious sample
Contains functionality to detect sleep reduction / modifications
Found direct / indirect Syscall (likely to bypass EDR)
Initial sample is a PE file and has a suspicious name
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)
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1528075 Sample: Pending invoices.exe Startdate: 07/10/2024 Architecture: WINDOWS Score: 100 30 www.guplace.xyz 2->30 32 www.wonders8.live 2->32 34 16 other IPs or domains 2->34 44 Suricata IDS alerts for network traffic 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 Multi AV Scanner detection for submitted file 2->48 52 6 other signatures 2->52 10 Pending invoices.exe 1 2->10         started        signatures3 50 Performs DNS queries to domains with low reputation 30->50 process4 signatures5 64 Writes to foreign memory regions 10->64 66 Maps a DLL or memory area into another process 10->66 13 svchost.exe 10->13         started        process6 signatures7 68 Maps a DLL or memory area into another process 13->68 16 HWydFRtpXwtqb.exe 13->16 injected process8 signatures9 42 Found direct / indirect Syscall (likely to bypass EDR) 16->42 19 dpapimig.exe 13 16->19         started        22 autochk.exe 16->22         started        process10 signatures11 54 Tries to steal Mail credentials (via file / registry access) 19->54 56 Tries to harvest and steal browser information (history, passwords, etc) 19->56 58 Modifies the context of a thread in another process (thread injection) 19->58 60 3 other signatures 19->60 24 HWydFRtpXwtqb.exe 19->24 injected 28 firefox.exe 19->28         started        process12 dnsIp13 36 dzen.travel 78.140.140.218, 50177, 50196, 50214 WEBZILLANL Netherlands 24->36 38 www.guplace.xyz 184.94.215.26, 50265, 50282, 50299 VXCHNGE-NC01US United States 24->38 40 8 other IPs or domains 24->40 62 Found direct / indirect Syscall (likely to bypass EDR) 24->62 signatures14
Score:
80%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/dda8401e0cf0d12cc2d6634c29ca1f248a14096a114af33e2ac21f64aaac0eb2
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/dda8401e0cf0d12cc2d6634c29ca1f248a14096a114af33e2ac21f64aaac0eb2/
Threat name:
Win32.Trojan.AgentTesla
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Status:
Malicious
First seen:
2024-10-04 10:35:40 UTC
File Type:
PE (Exe)
Extracted files:
54
AV detection:
23 of 38 (60.53%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3wueahqm6diszqwwmngctsq7esfbiclkcffpgprkyipwjkvmb2za._file
Verdict:
malicious
Label(s):
admintool_powerrun
Create hunting rule
Similar samples:
0efac5788be9dbd7b74affa2c8f6c14a2b6cce84d981d0b088566e50eefc72e4
Formbook
2fd281c29da243416deeee9780a5176031b9239a21fc9e40717662d97e2de598
Formbook
879cdf7a49078364111d9efee1dbc31c8905e6d95f84d1041a60a088e4a280b0
Formbook
93a039cd592c64a14e6e688f805b8f069cc2ec03a1d07ce6bb8db3b4fefe9745
Formbook
9693e6a8bdaa7fa75e4a0215f8ba332db027c1ec11f7f4bf0a7fea17c73158ac
Formbook
c9cf9ca824c529127e72e6eac74b9e1a7f78e8c0c5a906efbdf0b201fbee28cf
Formbook
+ 221 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery upx
Link:
https://tria.ge/reports/241007-qeznqsxaqr/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
AutoIT Executable
Suspicious use of SetThreadContext
UPX packed file
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/0f15ad5e-a49d-4173-b6f9-c8781a02aadf
Unpacked files
SH256 hash:
22c89dcfc508e781095aec2fd8857d11c4d869a150e498f419dd3fdebe500ea1
MD5 hash:
446e20d744dffea2ada41da8b5f27452
SHA1 hash:
f4dee0ac6e82a957a1ca1c74b4f4de7683d04b9c
Detections:
win_formbook_g0
Create hunting rule
win_formbook_w0
Create hunting rule
Link:
https://www.unpac.me/results/d7d81577-5a1a-4716-9978-d2bb56de6a21/
Parent samples :
54731f6d3d056a09d946901324427a80c0e7e1de0061fe78524a4f1aff721ca3
dda8401e0cf0d12cc2d6634c29ca1f248a14096a114af33e2ac21f64aaac0eb2
SH256 hash:
cca4c2433aeb5a27539a1d24d3e0cb0cf2daf45b6c27c302c0ee91b14b822db4
MD5 hash:
e559693528a271759d0e71e70ba59d94
SHA1 hash:
7e143d78367b5361ab453af282c7160f35819e7d
Link:
https://www.unpac.me/results/d7d81577-5a1a-4716-9978-d2bb56de6a21/
SH256 hash:
e606804ed02bdb8f019200c881cfb16da0aee1e54cdc480b6171b46510cb467e
MD5 hash:
8d946ba1a99ec04e6b0b4889ea780a41
SHA1 hash:
e5315f0c625c50e61b0e3e05019074244d85bd40
Detections:
AutoIT_Compiled
Create hunting rule
Link:
https://www.unpac.me/results/d7d81577-5a1a-4716-9978-d2bb56de6a21/
SH256 hash:
dda8401e0cf0d12cc2d6634c29ca1f248a14096a114af33e2ac21f64aaac0eb2
MD5 hash:
90d09f391aa9bed9db5100f1a20875ea
SHA1 hash:
cece6b05b8c444801db6862724cf65bdcce4e44b
Link:
https://www.unpac.me/results/d7d81577-5a1a-4716-9978-d2bb56de6a21/
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/dda8401e0cf0d12cc2d6634c29ca1f248a14096a114af33e2ac21f64aaac0eb2

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:UPXV200V290MarkusOberhumerLaszloMolnarJohnReiser
Create hunting rule
Author:malware-lu
Rule name:UPXv20MarkusLaszloReiser
Create hunting rule
Author:malware-lu
Rule name:upx_largefile
Create hunting rule
Author:k3nr9

File information

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

Malspam

Formbook

Executable exe dda8401e0cf0d12cc2d6634c29ca1f248a14096a114af33e2ac21f64aaac0eb2

(this sample)

  
Delivery method
Distributed via e-mail attachment

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationADVAPI32.dll::GetAce
MULTIMEDIA_APICan Play MultimediaWINMM.dll::timeGetTime
WIN_BASE_APIUses Win Base APIKERNEL32.DLL::LoadLibraryA

Comments