MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 de36ea5b8c40db020f6292ee0ce1a0fac7b33d58bd8691e4371a657ca80d8665. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: de36ea5b8c40db020f6292ee0ce1a0fac7b33d58bd8691e4371a657ca80d8665
SHA3-384 hash: e4c8a3766dbae27852084d514ecfa0c49600972e06eee223234442cd912e0cb2b2a7f99d9deccf078dfef747f3feaef7
SHA1 hash: 6160dce347980fe946bc3c594fbf91343ae5722e
MD5 hash: 7a93aab9dd3829fd66ec06b9e1925798
humanhash: four-oranges-hotel-king
File name:Neue Sachen.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:601'600 bytes
First seen:2022-05-16 08:57:45 UTC
Last seen:2022-05-17 09:50:49 UTC
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:vscNXR7LzgeYpp0GaCz5CaBqVX5G876/WILsY6SDeUamEO76Q:UeLzob1aCHBqjW+
Threatray 12'974 similar samples on MalwareBazaar
TLSH T18DD4E1AC321836DFC857D875A9A91C68EA617C77830B9203981372ED9E7D997CF140F2
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon e8dc84a5a4a484d8 (2 x AgentTesla, 1 x Formbook)
Reporter GovCERT_CH
Tags:exe FormBook xloader

Intelligence

File Origin
# of uploads :
2
# of downloads :
218
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
Neue Sachen.exe
Verdict:
Malicious activity
Analysis date:
2022-05-17 01:22:57 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/4df2c8e8-a0b7-4462-bd9f-a02a7caf6163

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/270964/
Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/6282121c22b733139c1ffd25/reports/9eeb6e7e-be2f-4066-93ed-ce5c8797a608/overview
Result
Verdict:
UNKNOWN
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/d059d145-a961-4620-8d93-e0e04908af2b
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/994720
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
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 dropped file
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
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 detect virtualization through RDTSC time measurements
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 627213 Sample: Neue Sachen.exe Startdate: 16/05/2022 Architecture: WINDOWS Score: 100 51 www.questrush.com 2->51 53 www.playludik.com 2->53 55 6 other IPs or domains 2->55 73 Snort IDS alert for network traffic 2->73 75 Malicious sample detected (through community Yara rule) 2->75 77 Antivirus detection for URL or domain 2->77 79 13 other signatures 2->79 10 Neue Sachen.exe 7 2->10         started        14 explorer.exe 2->14         started        signatures3 process4 dnsIp5 43 C:\Users\user\AppData\Roaming\VPKpol.exe, PE32 10->43 dropped 45 C:\Users\user\...\VPKpol.exe:Zone.Identifier, ASCII 10->45 dropped 47 C:\Users\user\AppData\Local\...\tmpA5E1.tmp, XML 10->47 dropped 49 C:\Users\user\AppData\...49eue Sachen.exe.log, ASCII 10->49 dropped 93 Adds a directory exclusion to Windows Defender 10->93 95 Injects a PE file into a foreign processes 10->95 17 Neue Sachen.exe 10->17         started        20 powershell.exe 25 10->20         started        22 schtasks.exe 1 10->22         started        59 ghs.googlehosted.com 172.217.168.19, 49900, 49901, 49902 GOOGLEUS United States 14->59 61 viktorvojta.com 34.102.136.180, 49828, 49830, 49836 GOOGLEUS United States 14->61 63 11 other IPs or domains 14->63 97 System process connects to network (likely due to code injection or exploit) 14->97 file6 signatures7 process8 signatures9 65 Modifies the context of a thread in another process (thread injection) 17->65 67 Maps a DLL or memory area into another process 17->67 69 Sample uses process hollowing technique 17->69 71 Queues an APC in another process (thread injection) 17->71 24 rundll32.exe 17->24         started        27 explorer.exe 17->27 injected 29 explorer.exe 1 112 17->29         started        32 conhost.exe 20->32         started        34 conhost.exe 22->34         started        process10 dnsIp11 83 Tries to steal Mail credentials (via file / registry access) 24->83 85 Tries to harvest and steal browser information (history, passwords, etc) 24->85 87 Modifies the context of a thread in another process (thread injection) 24->87 91 2 other signatures 24->91 36 cmd.exe 24->36         started        89 System process connects to network (likely due to code injection or exploit) 27->89 57 192.168.2.1 unknown unknown 29->57 39 cmstp.exe 29->39         started        signatures12 process13 signatures14 81 Tries to harvest and steal browser information (history, passwords, etc) 36->81 41 conhost.exe 36->41         started        process15
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/de36ea5b8c40db020f6292ee0ce1a0fac7b33d58bd8691e4371a657ca80d8665/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2022-05-16 08:58:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
17 of 26 (65.38%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3y3ouw4midnqed3cslxazyna7ld3gpkyxwdjdzbxdjsxzkanqzsq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
6532ef52b6dc45894c81610a5f29adf7b5668da4014bd0bbe549f31657b80633
Formbook
786940cf8fc524d46f8b3a0e72883d63c23315ea642c38f75d897e2162404e3e
Formbook
a22ca7acaf7bfae77ff56f08b010ac618fb6ed2d6faddfc593b6f552c0e86f5b
Formbook
b409cabbc8dbdfa8a3d1a60cb225f27386dfcc61b3f7379812218b6660ef654f
Formbook
bec8c6b5504f6063eb944f8fc571e5f35b0ee6f6a6234dcbac63fe5479d82f13
Formbook
e01aab97bf2805546ef29b22bb0d9e3e2205d4a319faaf6f7f4ce966b8aaa149
Formbook
eba97a314b1c02ecdd75fe691c6883b214dc0b239d0ba39b7d578162b5218ad0
Formbook
+ 12'964 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:a08h loader rat suricata
Link:
https://tria.ge/reports/220516-kw59ysgac9/
Behaviour
Creates scheduled task(s)
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
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
7b852a34d67e5efebe88d6c01daccd2a413b40bce49a70e80a8e30d7231b14a0
MD5 hash:
cb231c3a377c64019d94cc3592ddf58f
SHA1 hash:
d340d8600401363363a7bf30859ecdd4e026992d
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/4bf09585-1331-41ac-9dae-d8abbba207fe/
Parent samples :
3bdf54d6b07a96a026ed34f1db8d5cc442c1a211d02ff888659d7263ccc77c4c
32fae9922417d6405bf60144d819d5e02b44060fa8f07e5e71c824725f44307f
de36ea5b8c40db020f6292ee0ce1a0fac7b33d58bd8691e4371a657ca80d8665
116440ea0c30932c6cdd9f67ef362006fb3785071e211ea5ac007bb18a540f8e
SH256 hash:
709fdbef8932044e42231f14888aa12b12ddc571e6daba8af86d624a39fa63bf
MD5 hash:
a7a6647650fe0204d1ab042824d638be
SHA1 hash:
a1194aba19ab6190a412073fe1918cd1b559aacf
Link:
https://www.unpac.me/results/4bf09585-1331-41ac-9dae-d8abbba207fe/
SH256 hash:
2dd12ca9d99aba35c82623b0411e992761f565d2095d85fa41283c43c18a74ba
MD5 hash:
ed2266394ffcaf5cb366b04ede170361
SHA1 hash:
8bee5440775e98583c1b96c8339b090cf5ec3b2b
Link:
https://www.unpac.me/results/4bf09585-1331-41ac-9dae-d8abbba207fe/
SH256 hash:
d4125de272f1c7535a749222cc9a1ce727f3f033f4de41a64e3b31443721beca
MD5 hash:
bc7b3e9a4afb96de00751489d7dd25eb
SHA1 hash:
2b7e3fd3a2f1306ac23ceba9834d002a75718a34
Link:
https://www.unpac.me/results/4bf09585-1331-41ac-9dae-d8abbba207fe/
SH256 hash:
de36ea5b8c40db020f6292ee0ce1a0fac7b33d58bd8691e4371a657ca80d8665
MD5 hash:
7a93aab9dd3829fd66ec06b9e1925798
SHA1 hash:
6160dce347980fe946bc3c594fbf91343ae5722e
Link:
https://www.unpac.me/results/4bf09585-1331-41ac-9dae-d8abbba207fe/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/de36ea5b8c40/report/overview.html
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/de36ea5b8c40db020f6292ee0ce1a0fac7b33d58bd8691e4371a657ca80d8665

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

Executable exe de36ea5b8c40db020f6292ee0ce1a0fac7b33d58bd8691e4371a657ca80d8665

(this sample)

  
Dropped by
xloader
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/270964/

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