MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3ba3652f91657ae971efd9b9f9b6e6ebee6dbe4e23c2837825d21c7bd7997aac. 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: 9


Intelligence 9 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3ba3652f91657ae971efd9b9f9b6e6ebee6dbe4e23c2837825d21c7bd7997aac
SHA3-384 hash: 5871e7bf8c807e66fb03a9ef35c4f1d95477fe200225b0a6a268a18004a6850db7790bee62c5a53671df1024c36c3648
SHA1 hash: 94ca4560917b1caf865b9e61138da7af7630a177
MD5 hash: 922a15a19ae19447e0512e466c382676
humanhash: quebec-romeo-jersey-arizona
File name:AAPUR2-M.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:532'480 bytes
First seen:2020-10-21 09:58:20 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:BkQbuROZMNlI6ck+HcQ9iJ4AsX7tK/6LJDK6L0C83kxr1UnX+:BxbXcI6ck+HboSAsGWK+NO+
Threatray 2'668 similar samples on MalwareBazaar
TLSH 83B4E0726BA8AF25E4BD177B546A500003FAF916E732C42F7DFA248E5462FA18173743
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: dlveltex.co
Sending IP: 111.90.140.219
From: Monica Daqua <Monica@dlveltex.co>
Subject: ORDER- (AA/PUR2-M)
Attachment: AAPUR2-M.rar (contains "AAPUR2-M.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
73
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/73974/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
Launching cmd.exe command interpreter
Enabling autorun by creating a file
Unauthorized injection to a system process
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/505616
Signature
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Scheduled temp file as task from temp location
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
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 301854 Sample: AAPUR2-M.exe Startdate: 21/10/2020 Architecture: WINDOWS Score: 100 46 Malicious sample detected (through community Yara rule) 2->46 48 Multi AV Scanner detection for dropped file 2->48 50 Sigma detected: Scheduled temp file as task from temp location 2->50 52 8 other signatures 2->52 10 AAPUR2-M.exe 7 2->10         started        process3 file4 32 C:\Users\user\AppData\Roaming\sRhctZKX.exe, PE32 10->32 dropped 34 C:\Users\...\sRhctZKX.exe:Zone.Identifier, ASCII 10->34 dropped 36 C:\Users\user\AppData\Local\...\tmp6E6B.tmp, XML 10->36 dropped 38 C:\Users\user\AppData\...\AAPUR2-M.exe.log, ASCII 10->38 dropped 62 Tries to detect virtualization through RDTSC time measurements 10->62 14 AAPUR2-M.exe 10->14         started        17 schtasks.exe 1 10->17         started        signatures5 process6 signatures7 64 Modifies the context of a thread in another process (thread injection) 14->64 66 Maps a DLL or memory area into another process 14->66 68 Sample uses process hollowing technique 14->68 70 Queues an APC in another process (thread injection) 14->70 19 explorer.exe 14->19 injected 23 conhost.exe 17->23         started        process8 dnsIp9 40 www.jv041.com 107.164.242.216, 49762, 80 EGIHOSTINGUS United States 19->40 42 jlgmjt.com 92.119.82.212, 49749, 80 DEDIPATH-LLCUS Germany 19->42 44 4 other IPs or domains 19->44 54 System process connects to network (likely due to code injection or exploit) 19->54 25 msiexec.exe 19->25         started        signatures10 process11 signatures12 56 Modifies the context of a thread in another process (thread injection) 25->56 58 Maps a DLL or memory area into another process 25->58 60 Tries to detect virtualization through RDTSC time measurements 25->60 28 cmd.exe 1 25->28         started        process13 process14 30 conhost.exe 28->30         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3ba3652f91657ae971efd9b9f9b6e6ebee6dbe4e23c2837825d21c7bd7997aac/
Threat name:
ByteCode-MSIL.Backdoor.Androm
Create hunting rule
Status:
Malicious
First seen:
2020-10-21 01:19:57 UTC
AV detection:
26 of 29 (89.66%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=horwkl4rmv5os4pp3g47tnxg5pxg3psoepbig6bf2iohxv4zpkwa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
netwirerc
Create hunting rule
Similar samples:
08358d0a1584bef3d83e4a3c99d186e8078d398f3d7816df714315eb3c08d527
Formbook
20c0aebe7cad9faafeff8655a50fb31ef9e91208f17035f3b90b91ab8fce0e86
Formbook
69b99d16f072c6ab2687da255681f3f1c3a97746bfe516b206644a5056a99425
Formbook
8348c6c60034429d7bca499c5cfb52d04f0705cda36665cbff5db267958811ef
Formbook
86b3d8a135597bcf56f2f6669b514bfd36aeaf1f890233b03a15f18a1c9705e8
Formbook
bd3bf49f455f519888272ddfe3e9a0603958e64e3bed5a80078bddf65276def2
Formbook
eb140984e61c9b9860794656d3f978896944a0f7258c5abe25391b8c71f56853
Formbook
ec379ea581609100b8ddfcf28eea0dc40ce72fb9e9f3dd310e0dfbeaf06bef0f
Formbook
fd9f113a78e94fc975ba4e5e940c91395e63b5ea904e7690fbad9f569b6da1b8
Formbook
fea590dbb8987a6358d6708c5728826c5dc44c943ff4145ab1bc6d110c03e13c
Formbook
+ 2'658 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
rat trojan spyware stealer family:formbook
Link:
https://tria.ge/reports/201021-9rv1mdr8fj/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.sgssts.com/g456/
Unpacked files
SH256 hash:
3ba3652f91657ae971efd9b9f9b6e6ebee6dbe4e23c2837825d21c7bd7997aac
MD5 hash:
922a15a19ae19447e0512e466c382676
SHA1 hash:
94ca4560917b1caf865b9e61138da7af7630a177
Link:
https://www.unpac.me/results/f99902f0-a4f9-496a-8c7c-1dcd9e27d0c1/
SH256 hash:
4360300bd97f6b367bafe006f0516c7ee838a48a20ea015f09322b7eb35aef8d
MD5 hash:
5c61b482fd96ee0e786571946c08ba6a
SHA1 hash:
347c07e3d125852a0289c4fda1294db9eab367a6
Link:
https://www.unpac.me/results/f99902f0-a4f9-496a-8c7c-1dcd9e27d0c1/
SH256 hash:
9534d903424a46717d120d85a97fc613a510e1ff3a9d75e4755c07017294e294
MD5 hash:
ea7e8a52aaa446717d6297e025f8aeaf
SHA1 hash:
8baa98820f6a999853e5474afa6968d876a35223
Link:
https://www.unpac.me/results/f99902f0-a4f9-496a-8c7c-1dcd9e27d0c1/
SH256 hash:
bac5797bde4b2810766a40d95bcdb825ac5b395fcbadd139daa19a44a6cdc049
MD5 hash:
a92cc1f6e0a2742350dfda6726db14c0
SHA1 hash:
e5404e3ed46498deb8ad8966a774540c2b8e9c1e
Link:
https://www.unpac.me/results/f99902f0-a4f9-496a-8c7c-1dcd9e27d0c1/
SH256 hash:
098983a780bcbd476cb459e86cb49dd85fa4d553290e1c1502457e0c21599eba
MD5 hash:
d04c7483b91985ba26a0e9a8db32359a
SHA1 hash:
951bbf5d36b7fb13bb55fec42781734dbd61be70
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/f99902f0-a4f9-496a-8c7c-1dcd9e27d0c1/
Parent samples :
3ba3652f91657ae971efd9b9f9b6e6ebee6dbe4e23c2837825d21c7bd7997aac
b996922b219a28e3e73b7fcd375c012315b2327ba851109df3a9f3e5c884cbc4
3904b8ba4d99b9e8d8b75af02e5d6de0153ef59e5f03d9b30319acbe625ff986
14a46421d1c74515cbc85882822852abdd7272b66d2e42138a6d671f20d2f517
875733983c836e29d29a21fd994b28be1b379540eab625d440e0b1f83a581a12
f8c81561f37ddba17d61fcb467a60a449363b54e18440b7e4387f020f8eec556
228eb0132ab76525eec010514f7df3877e2eda9ebed55e52c79fdfeb934de1f7
288e38a633a49c3a30c842250ef331f22201b2acee124e9b108d498b28cb2ba3
bf0f998a45e4fe89a07880a10d8f9c7b2bd7437bf3bf338e3b1a43f0907b5d67
09a69eaeb01b142b7a251effc02e06a2401a5d072db06e194a1073bf91833f21
1111ec278f3c1d046b581b5652c984a8e262c6dc10374bd68074a8a28cb7b1fa
33fc5c4f2e4a32009080da98c148d44e193b25d4c99bc7122d80d26d17ea448b
Please note that we are no longer able to provide a coverage score for Virus Total.

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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time

File information

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

Malspam

Formbook

rar 0a3e5b3e6a7f41934955e84c1fcd40f0d4050a03453f51beb3e660fde39c5e97

Formbook

Executable exe 3ba3652f91657ae971efd9b9f9b6e6ebee6dbe4e23c2837825d21c7bd7997aac

(this sample)

  
Dropped by
MD5 7ef247eff6b5d93624f8cbc291fe6047
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/73974/
  
Dropped by
SHA256 0a3e5b3e6a7f41934955e84c1fcd40f0d4050a03453f51beb3e660fde39c5e97

Comments