MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 539e48b91ce31c5fa27b4466e9f9d9a4933e9bf17a4afd06c1dc826d0ba749c4. 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: 539e48b91ce31c5fa27b4466e9f9d9a4933e9bf17a4afd06c1dc826d0ba749c4
SHA3-384 hash: 40879079c239faa7e3e17a39ffc5d9d2ab2233bf0ff9b7eec31fc28156f417c1fd920c865c64b7ecd8d5bd1e0a455eb5
SHA1 hash: e1cd8702f4febdb259fd9fcef4fce507bfbaf989
MD5 hash: 453aecc8f61ec001e6740f4d7faf392b
humanhash: magnesium-music-aspen-stairway
File name:Order ID DHL_0901P55AL.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:794'112 bytes
First seen:2023-09-01 20:06:26 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:iUOPypIzXfOUmJZeCSSGhHQc+O3bIpaf/MBn/DSeM+hd/AUJconjNvTIaUdr:iUOPypIzXWUgZxIhBlrIkq2UVB74
Threatray 30 similar samples on MalwareBazaar
TLSH T15CF4DF026664CB26D574B7F7D021A3F407BAEE2AD5F6D24B1D817CDA36B3B100A12E17
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
284
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
Order ID DHL_0901P55AL.exe
Verdict:
Malicious activity
Analysis date:
2023-09-01 20:26:41 UTC
Tags:
formbook xloader
Link:
https://app.any.run/tasks/c963f60e-3a2b-4d70-9664-949a0d1967f9

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/445686/
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Сreating synchronization primitives
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade packed
Link:
https://www.filescan.io/uploads/64f24467560864d1b6739390/reports/1ed68dc6-7ac1-4f45-842b-d8d58bc56816/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/539e48b91ce31c5fa27b4466e9f9d9a4933e9bf17a4afd06c1dc826d0ba749c4
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/2fab2b71-7119-49f1-a392-498dce6fcb3a
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1301914
Signature
Antivirus detection for URL or domain
Deletes itself after installation
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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)
Snort IDS alert for network traffic
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 ipconfig to lookup or modify the Windows network settings
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/539e48b91ce31c5fa27b4466e9f9d9a4933e9bf17a4afd06c1dc826d0ba749c4/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-09-01 08:02:22 UTC
File Type:
PE (.Net Exe)
Extracted files:
17
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=koperoi44mof7it3irtot6ozusjt5g7rpjfp2bwb3sbg2c5hjhca._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
039bf6fc7dfbdaede3058b77c9e156f241f7d3a45f6ce97c852a0c594fb6adca
Formbook
17cd5809bd3abd8c512b094c8bb0b1b9d02fd5fb84b874916c6adf69944c3af5
Formbook
20e93d317f46bc7db6349a15c50362749b0b6cfde92b196b3eab03ccf1dc363b
Formbook
3f233f8f681ef73f9455a624846383a9623da1b960999cdc6ab0a6178c90b6f9
Formbook
845adc24e3235ebe41dd0d7f8c3b044a5c485e89af4adb60404c4ac915dcad21
Formbook
a4d5963e0d2770194c439a2fa07da2dda5eeceb8eb5bb5c1b106cff178f4e624
Formbook
ccc8ed7866ebf89380c45861e50f095db3acf900fa4cf797e1a5de78cf6051aa
Formbook
e266f399bd4ae4bf061be020eb3b3cffd0a1a3621ff7985a200b9ead765f1238
Formbook
e7c6065d235655ee2fa7871ee73a8d14b4f88b87351de7752a4c9569739b667d
Formbook
fd82749104473f4be5f7498f2a751f4090f999c50ae63e114ea49067c2b16185
Formbook
+ 20 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/230901-yv1vqshg69/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Checks computer location settings
Unpacked files
SH256 hash:
db14371fb645b44bc58263c3442a2fdd34ad3399bb2c54d74c9586f2f8df8bb7
MD5 hash:
4cd26f70a9081d00c86a046748146353
SHA1 hash:
a46f4abc7a3dad562cd41e60d235bcdf86e0d6f3
Detections:
win_formbook_w0
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/839ce2dc-4a07-4ae5-943a-d1a1850a9dda/
SH256 hash:
acf99b818f63c06a2828f6c550476fee9e5350389f88be0d103ad69f4e268137
MD5 hash:
e59e1c6841222085e318da1dea7298d4
SHA1 hash:
83d98c13ab3a717ebeb87fc5928c462d13a30f80
Link:
https://www.unpac.me/results/839ce2dc-4a07-4ae5-943a-d1a1850a9dda/
SH256 hash:
650245655ec556a5f4ad59905c2827c5f4f24145d08f4c28b23a75e4588dd9ec
MD5 hash:
31a1b72967f399c058c8c56c062f5b3c
SHA1 hash:
d4d3aa4e716d89daec5d12ceaafbb8625b1d33be
Link:
https://www.unpac.me/results/839ce2dc-4a07-4ae5-943a-d1a1850a9dda/
SH256 hash:
2ac2f55e15fd8da559f99925ceee9166ca978e94cbc53a5cb29bf02d0a76ac7f
MD5 hash:
1081db0b25581c7958e6fbff4d9aa64a
SHA1 hash:
bcb0e0fe844884a5b0d05cd3b0cc5fd7a5ff53b9
Link:
https://www.unpac.me/results/839ce2dc-4a07-4ae5-943a-d1a1850a9dda/
SH256 hash:
c094444932babf732e788625413d66665af54fa789015decb7e2da3d3ab25dc3
MD5 hash:
49204dbac9267797c9f6679a4bac06ec
SHA1 hash:
5590f19a53f6e6a88d14adfbc83ea1cd7ae002c7
Link:
https://www.unpac.me/results/839ce2dc-4a07-4ae5-943a-d1a1850a9dda/
SH256 hash:
539e48b91ce31c5fa27b4466e9f9d9a4933e9bf17a4afd06c1dc826d0ba749c4
MD5 hash:
453aecc8f61ec001e6740f4d7faf392b
SHA1 hash:
e1cd8702f4febdb259fd9fcef4fce507bfbaf989
Link:
https://www.unpac.me/results/839ce2dc-4a07-4ae5-943a-d1a1850a9dda/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.95
Link:
https://yomi.yoroi.company/submissions/539e48b91ce31c5fa27b4466e9f9d9a4933e9bf17a4afd06c1dc826d0ba749c4

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:NET
Create hunting rule
Author:malware-lu
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 539e48b91ce31c5fa27b4466e9f9d9a4933e9bf17a4afd06c1dc826d0ba749c4

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/445686/

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