MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 27715b211a7693bd15a4580b6ee1e9b9d01c2b1142170b47888b7be538ecb084. 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 2 File information Comments
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SHA256 hash: 27715b211a7693bd15a4580b6ee1e9b9d01c2b1142170b47888b7be538ecb084
SHA3-384 hash: 8aec3155def30c22392ab9116c9a7066b2e928181d98364cce49a4a89b0ff6768a01c30961023113fbdc5e7f8385fd19
SHA1 hash: 52d9f9cb478496875e1a693ca5897766e4c47b2e
MD5 hash: d539fcc11b4f5b96a1d89928f1ef87e7
humanhash: jupiter-eleven-violet-louisiana
File name:2FhepOGQj37Wiy9.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:683'520 bytes
First seen:2023-01-24 18:41:28 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:6fC66Bm2iNNqfLgw48lWtUkQ0jgewUUyfz3K0GLmpcKJLSO+66B:hVM1rqfcw48lWtUkd8iLKFm2KJN+V
TLSH T15EE4F1521D68C258F2F90E7C5F2C5A2C8BB49C9913E3E2B50BF2B4E9A9337838514577
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 SI_FalconTeam
Tags:ace exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
304
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
extracted.exe
Verdict:
Malicious activity
Analysis date:
2023-01-24 11:47:42 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/adc0bd16-1b78-44b2-a383-ab3f3f653c73

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/356499/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Searching for synchronization primitives
Launching a process
Reading critical registry keys
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook packed redline
Link:
https://www.filescan.io/uploads/63d0267c2d4f6d560e22ab0e/reports/87a64dd1-4d93-431d-85a4-5657c607d1d1/overview
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/8decd315-2789-4920-ae89-740a3d7029f9
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1157828
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
Deletes itself after installation
Injects a PE file into a foreign processes
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
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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 AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 790564 Sample: 2FhepOGQj37Wiy9.exe Startdate: 24/01/2023 Architecture: WINDOWS Score: 100 34 Snort IDS alert for network traffic 2->34 36 Malicious sample detected (through community Yara rule) 2->36 38 Antivirus detection for URL or domain 2->38 40 6 other signatures 2->40 8 2FhepOGQj37Wiy9.exe 3 2->8         started        process3 file4 22 C:\Users\user\...\2FhepOGQj37Wiy9.exe.log, ASCII 8->22 dropped 50 Injects a PE file into a foreign processes 8->50 12 2FhepOGQj37Wiy9.exe 8->12         started        signatures5 process6 signatures7 52 Modifies the context of a thread in another process (thread injection) 12->52 54 Maps a DLL or memory area into another process 12->54 56 Sample uses process hollowing technique 12->56 58 Queues an APC in another process (thread injection) 12->58 15 explorer.exe 2 6 12->15 injected process8 dnsIp9 24 he.adsfzcvx.com 154.210.211.109, 49736, 49737, 49738 XIAOZHIYUN1-AS-APICIDCNETWORKUS Seychelles 15->24 26 allthekey.com 92.204.219.113, 49714, 80 VELIANET-ASvelianetInternetdiensteGmbHDE Germany 15->26 28 13 other IPs or domains 15->28 30 System process connects to network (likely due to code injection or exploit) 15->30 32 Uses netstat to query active network connections and open ports 15->32 19 NETSTAT.EXE 13 15->19         started        signatures10 process11 signatures12 42 Tries to steal Mail credentials (via file / registry access) 19->42 44 Tries to harvest and steal browser information (history, passwords, etc) 19->44 46 Deletes itself after installation 19->46 48 2 other signatures 19->48
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/27715b211a7693bd15a4580b6ee1e9b9d01c2b1142170b47888b7be538ecb084/
Threat name:
ByteCode-MSIL.Trojan.RedLine
Create hunting rule
Status:
Malicious
First seen:
2023-01-23 12:00:47 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
23 of 36 (63.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=e5yvwii2o2j32fnelafw5ypjxhibykyriilqwr4irn56kohmwcca._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/230124-xcb8zsef8w/
Behaviour
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
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Unpacked files
SH256 hash:
a4a403b2dcc2ed81f6d5c45d1fea7c6be54747e28f14d845829b47e14101b857
MD5 hash:
7c527aa237b453cc31a5cd8b9ba029c8
SHA1 hash:
c9aa2f0019658d5145050e937544201bb82e1b0a
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/60351a9f-3b55-416a-840c-608651b1ceca/
Parent samples :
cd289ee8ef869f4b59d91d1e2452ec236aed944dfc985537121b8a1c5969f999
27715b211a7693bd15a4580b6ee1e9b9d01c2b1142170b47888b7be538ecb084
SH256 hash:
eb20ffc26849452da60e1239f2cf8cb8e59ab146bc9a07beba4b0e8f28c3d340
MD5 hash:
2d0af1007e8c25c9e954b707f3602433
SHA1 hash:
d0dfad782d9c768313bb5935e29973f38e21dc3b
Link:
https://www.unpac.me/results/60351a9f-3b55-416a-840c-608651b1ceca/
SH256 hash:
ff1b42ea7d56a37eae801adbddb7116f52a4664c0b41302736f522852edc2747
MD5 hash:
89ac57478044c57c7195943116a521e0
SHA1 hash:
1ff2bafeed795423e3538d810bda8e1e3fcdcfa5
Link:
https://www.unpac.me/results/60351a9f-3b55-416a-840c-608651b1ceca/
SH256 hash:
c6dee3a35d0ca7d586339b20dfe571a86b947701b9d3517d598ecac1c67f8c4a
MD5 hash:
8136ab5e145dc047840d624dfa66db56
SHA1 hash:
1f38842a4af6b8c5c3bf742a979f34379435fea7
Link:
https://www.unpac.me/results/60351a9f-3b55-416a-840c-608651b1ceca/
SH256 hash:
20eda0a9b642a495ee216f13d2c37603ef860ff1aa1b8c89b2aa630a17574f71
MD5 hash:
d2dcd2d712c1f3c871e39fc27f889546
SHA1 hash:
167502f0388eb8c9525a048282600fa83d7254ad
Link:
https://www.unpac.me/results/60351a9f-3b55-416a-840c-608651b1ceca/
SH256 hash:
6975bd1d4475863fe058069ebb3c0369e894eff56d0ae857de9a885ec10409a1
MD5 hash:
a510264763f32d0fd98fa069ea3656a2
SHA1 hash:
0e1e844f6dcb9f66065821fb37f5078b03ce35d7
Link:
https://www.unpac.me/results/60351a9f-3b55-416a-840c-608651b1ceca/
SH256 hash:
27715b211a7693bd15a4580b6ee1e9b9d01c2b1142170b47888b7be538ecb084
MD5 hash:
d539fcc11b4f5b96a1d89928f1ef87e7
SHA1 hash:
52d9f9cb478496875e1a693ca5897766e4c47b2e
Link:
https://www.unpac.me/results/60351a9f-3b55-416a-840c-608651b1ceca/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/27715b211a76/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.45
Link:
https://yomi.yoroi.company/submissions/27715b211a7693bd15a4580b6ee1e9b9d01c2b1142170b47888b7be538ecb084

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: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

ace 2787c73ed16419f6c5cfb81ae4e2db23c91507eaf1d8c1c10e8b965b394fe443

Formbook

Executable exe 27715b211a7693bd15a4580b6ee1e9b9d01c2b1142170b47888b7be538ecb084

(this sample)

  
X
https://twitter.com/SI_FalconTeam/status/1617911121121521664
  
Dropped by
SHA256 2787c73ed16419f6c5cfb81ae4e2db23c91507eaf1d8c1c10e8b965b394fe443
Cape
Cape
https://www.capesandbox.com/analysis/356499/
  
Dropped by
MD5 e91b62f7952825d6a87775166301d018

Comments