MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 91ae1faec9830fc63441d4a2819d460fee2bace496c5f11663e81aa88f922d2f. 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 4 File information Comments

SHA256 hash:	91ae1faec9830fc63441d4a2819d460fee2bace496c5f11663e81aa88f922d2f
SHA3-384 hash:	33c2e7718fdaf35a38f1eb95a16399bccf62ec4d1f8578ca8e74a10a87c3378547a8c9f5877891a846bd6c86efdb1146
SHA1 hash:	e731c3a3daeb4df361de4a24607deb4e7ed3fb98
MD5 hash:	66e05802f631f50d5b440976bbff243a
humanhash:	august-green-echo-chicken
File name:	DHL__734825514204.exe
Download:	download sample
Signature	Formbook Create hunting rule
File size:	705'024 bytes
First seen:	2024-12-10 16:56:35 UTC
Last seen:	2025-01-10 14:42:13 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	fc6683d30d9f25244a50fd5357825e79 (92 x Formbook, 52 x AgentTesla, 23 x SnakeKeylogger)
ssdeep	12288:PquErHF6xC9D6DmR1J98w4oknqOOCyQffZu3EMxtmYVtNpdfLnOmmlK9MbD:Wrl6kD68JmlotQfRuDxUY1r6lKmD
Threatray	4 similar samples on MalwareBazaar
TLSH	T177E423444AE0D862D65857B8C535DDA846B87832CFDC7B6FC368A10FBC21343D89BA5E
TrID	31.3% (.EXE) UPX compressed Win32 Executable (27066/9/6) 30.7% (.EXE) Win32 EXE Yoda's Crypter (26569/9/4) 12.1% (.EXE) Win64 Executable (generic) (10522/11/4) 7.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 5.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
Magika	pebin
File icon (PE):
dhash icon	aae2f3e38383b629 (2'034 x Formbook, 1'183 x CredentialFlusher, 666 x AgentTesla)
Reporter	abuse_ch
Tags:	DHL exe FormBook

Intelligence

File Origin

# of uploads :

# of downloads :

431

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

DHL__734825514204.exe

Verdict:

No threats detected

Analysis date:

2024-12-10 17:05:42 UTC

Tags:

n/a

Link:

https://app.any.run/tasks/c75df4ca-36d4-47f9-bab7-0510c62bfde2

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Detection(s):

SecuriteInfo.com.FileRepMalware.5227.20837.UNOFFICIAL

Verdict:

Malicious

Score:

96.5%

Link:

https://cyber-fortress.com/docs/result/index.php?id=675873e175182a06409eef72

Tags:

autoit virus

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Creating a window

Creating a file in the %temp% directory

Launching a process

Сreating synchronization primitives

Unauthorized injection to a system process

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

anti-debug autoit compiled-script evasive hacktool lolbin masquerade microsoft_visual_cc packed packed packed packer_detected regsvr32 upx wmic

Link:

https://www.filescan.io/uploads/675872e5f3382ee7a972d30d/reports/1c71f9e3-3ed1-4f92-bcdc-3abe555968a8/overview

Verdict:

Malicious

Labled as:

Trojan[Packed]/Autoit

Link:

https://www.hybrid-analysis.com/sample/91ae1faec9830fc63441d4a2819d460fee2bace496c5f11663e81aa88f922d2f

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

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/e4463b26-e375-4705-8867-87eab8a4182a

Result

Threat name:

FormBook

Detection:

malicious

Classification:

troj.evad

Score:

84 / 100

Link:

https://www.joesandbox.com/analysis/1572590

Signature

AI detected suspicious sample

Binary is likely a compiled AutoIt script file

Machine Learning detection for sample

Maps a DLL or memory area into another process

Multi AV Scanner detection for submitted file

Switches to a custom stack to bypass stack traces

Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)

Writes to foreign memory regions

Yara detected FormBook

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/91ae1faec9830fc63441d4a2819d460fee2bace496c5f11663e81aa88f922d2f

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/91ae1faec9830fc63441d4a2819d460fee2bace496c5f11663e81aa88f922d2f/

Threat name:

Win32.Trojan.AutoitInject

Status:

Malicious

First seen:

2024-12-10 15:40:58 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

24 of 38 (63.16%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=sgxb7lwjqmh4mncb2sridhkgb7xcxlhes3c7cftd5ankrd4sfuxq._file

Verdict:

malicious

Label(s):

unknown_loader_036

formbook

Formbook

ec53cc651f7b288c149f0ccc34cb3cac08258ac4404ac6d3e8b614f7556239b4

Formbook

error

Formbook

Result

Malware family:

n/a

Score:

5/10

Tags:

discovery upx

Link:

https://tria.ge/reports/241210-vf811swjdn/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious use of WriteProcessMemory

System Location Discovery: System Language Discovery

AutoIT Executable

Suspicious use of SetThreadContext

UPX packed file

Verdict:

Suspicious

Tags:

trojan

YARA:

SUSP_Imphash_Mar23_3

Link:

https://app.threat.zone/submission/814be5b6-69cf-4c20-af82-329d3b33e6ca

Unpacked files

SH256 hash:

c16a736911d0dc6c6d43680f5d771bdbee420f96eeb31f3302098d2d7fb1ea2d

MD5 hash:

6fe374eb8143a537c9be4297cc6a62b1

SHA1 hash:

b92e77e3cb8670b6e40843a6334efdb04d278b40

Detections:

win_formbook_g0

Link:

https://www.unpac.me/results/0062c983-c1b3-4890-bddf-db072ab221dd/

Parent samples :

00c2d72b6a63a14fbe34e3fb19fad396213bb9be21ff695df527a676b866c8b2
9d7f2010937a9fa39e59ac0b46dfe1efe6dd5bb0748e1b4bf172e849ff916fb1
df607dfa701d132a8679f0855bfdca430246d46285e36f46a965bb8a67f4d7b6
91ae1faec9830fc63441d4a2819d460fee2bace496c5f11663e81aa88f922d2f
a139ad8f39832bc6f3a7cbb950b49a3a4cef52888099d7fc662c52e1d6b39862
d88cbfff7d6a8163e124249f07e2f8434d6e5474fcda9f916f89afe50b88f413

SH256 hash:

2403dc35c192a6885e251cbebf797fd93ecc48c7de997a0e3b4512db8d080f87

MD5 hash:

0a8a1ccf20202151e0e532e41e2c5252

SHA1 hash:

7e8c5660173a1476b21d09da98dc1daf62fcbab7

Link:

https://www.unpac.me/results/0062c983-c1b3-4890-bddf-db072ab221dd/

SH256 hash:

7bc501d93a5bcec412a171b83123c6a4b975c78f9ad6d8edbc78717876a0020b

MD5 hash:

9c9e65b1df682423a3166b07b3460871

SHA1 hash:

16e124998359172eac3216bd9f25dcde2de0d386

Link:

https://www.unpac.me/results/0062c983-c1b3-4890-bddf-db072ab221dd/

SH256 hash:

c7001a1dd4b9b43b77363a15b18fb63bf2f40054ad724c4a8cd7679c51325eac

MD5 hash:

4e8970ade55c9bae226e7c6d9aae0ace

SHA1 hash:

8fec82d1fb0413c3f4297d35368aa79104679654

Detections:

AutoIT_Compiled

Link:

https://www.unpac.me/results/0062c983-c1b3-4890-bddf-db072ab221dd/

SH256 hash:

91ae1faec9830fc63441d4a2819d460fee2bace496c5f11663e81aa88f922d2f

MD5 hash:

66e05802f631f50d5b440976bbff243a

SHA1 hash:

e731c3a3daeb4df361de4a24607deb4e7ed3fb98

Link:

https://www.unpac.me/results/0062c983-c1b3-4890-bddf-db072ab221dd/

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/91ae1faec983/report/overview.html

Please note that we are no longer able to provide a coverage score for Virus Total.

Threat name:

Formbook

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/91ae1faec9830fc63441d4a2819d460fee2bace496c5f11663e81aa88f922d2f

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:	SUSP_Imphash_Mar23_3 Create hunting rule
Author:	Arnim Rupp (https://github.com/ruppde)
Description:	Detects imphash often found in malware samples (Maximum 0,25% hits with search for 'imphash:x p:0' on Virustotal) = 99,75% hits
Reference:	Internal Research

Rule name:	Sus_Obf_Enc_Spoof_Hide_PE Create hunting rule
Author:	XiAnzheng
Description:	Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

Rule name:	UPXV200V290MarkusOberhumerLaszloMolnarJohnReiser 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.

No further information available

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

ID	Title	Severity
CHECK_AUTHENTICODE	Missing Authenticode	high
CHECK_DLL_CHARACTERISTICS	Missing dll Security Characteristics (HIGH_ENTROPY_VA)	high
CHECK_NX	Missing Non-Executable Memory Protection	critical

Reviews

ID	Capabilities	Evidence
AUTH_API	Manipulates User Authorization	ADVAPI32.dll::GetAce
MULTIMEDIA_API	Can Play Multimedia	WINMM.dll::timeGetTime
WIN_BASE_API	Uses Win Base API	KERNEL32.DLL::LoadLibraryA
WIN_NETWORK_API	Supports Windows Networking	MPR.dll::WNetUseConnectionW

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