MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 48e99b563e3e2daea132c5da122ad630f6015456ac58d4fe86f9dc65f6a0c943. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments
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SHA256 hash: 48e99b563e3e2daea132c5da122ad630f6015456ac58d4fe86f9dc65f6a0c943
SHA3-384 hash: bac2f383eec25a985c09d591725bcf5098d789510aaa8c65a4adc0ef2c43a42875685eb168eda143b978e7508f264a5e
SHA1 hash: 8f3ce00f15dce28b65699c0b4544088605156371
MD5 hash: 0a116260608f58b1af2655516369a5cd
humanhash: violet-gee-comet-bravo
File name:PO# 4510175687.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'146'368 bytes
First seen:2021-03-24 06:18:37 UTC
Last seen:2021-03-24 06:19:03 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'598 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:J2KSo2PvSSECM/gPr3wj6pCBlRUG6idSyjusSFHYUhSjHGtA0b9:JHSbvSSECMIP4RL6id3usTh6Z5
Threatray 4'300 similar samples on MalwareBazaar
TLSH F535C38C5C9AC4C7F5798F744AEAC99506EA1FF20F2194B5B6844BCFC839B41E807D29
Reporter cocaman
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
109
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO# 4510175687.exe
Verdict:
Malicious activity
Analysis date:
2021-03-24 06:21:14 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/bff8888a-0c1f-41c8-9b52-5849fd9e94f6

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.generic.ml.1220.24949.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Sending a UDP request
Result
Verdict:
SUSPICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/651607
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
Binary contains a suspicious time stamp
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 374753 Sample: PO# 4510175687.exe Startdate: 24/03/2021 Architecture: WINDOWS Score: 100 36 www.puckerandwinkbeauty.com 2->36 38 puckerandwinkbeauty.com 2->38 42 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->42 44 Found malware configuration 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 11 other signatures 2->48 11 PO# 4510175687.exe 3 2->11         started        signatures3 process4 file5 28 C:\Users\user\...\PO# 4510175687.exe.log, ASCII 11->28 dropped 14 PO# 4510175687.exe 11->14         started        process6 signatures7 56 Modifies the context of a thread in another process (thread injection) 14->56 58 Maps a DLL or memory area into another process 14->58 60 Sample uses process hollowing technique 14->60 62 Queues an APC in another process (thread injection) 14->62 17 explorer.exe 14->17 injected process8 dnsIp9 30 www.insportseurolatam.com 217.160.0.241, 49757, 80 ONEANDONE-ASBrauerstrasse48DE Germany 17->30 32 leonelorrala.com 107.180.34.197, 49761, 80 AS-26496-GO-DADDY-COM-LLCUS United States 17->32 34 3 other IPs or domains 17->34 40 System process connects to network (likely due to code injection or exploit) 17->40 21 cmmon32.exe 17->21         started        signatures10 process11 signatures12 50 Modifies the context of a thread in another process (thread injection) 21->50 52 Maps a DLL or memory area into another process 21->52 54 Tries to detect virtualization through RDTSC time measurements 21->54 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/48e99b563e3e2daea132c5da122ad630f6015456ac58d4fe86f9dc65f6a0c943/
Threat name:
ByteCode-MSIL.Trojan.Wacatac
Create hunting rule
Status:
Malicious
First seen:
2021-03-24 06:19:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
36
AV detection:
9 of 48 (18.75%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=jduzwvr6hyw25ijsyxnbekwwgd3acvcwvrmnj7ug7hogl5vazfbq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
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Formbook
06fa1b160e322bd7710c9110b1e4e873795b5c2680b8bbe70bbaf23484533459
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aa9692c1769e25297176b847f4274570c56c4d74f4577608bd036e72d82d5bdb
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dd4d1da7c146e47e25b601cba1d6f324eace694055d43e1c67288df6a0ea1951
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ebb6267e5c3bf10ec8ccba29d6fd2c7b747cef8b758db1544caf9edc7f117d7b
Formbook
f39b9e8c4a9aa6d8cd9f069e8a8ee81a3f666e07071f2b4673aa42633026736c
Formbook
+ 4'290 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/210324-gkwfj23q5s/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.otokoikon.com/vsk9/
Unpacked files
SH256 hash:
c22b9993fd6abea236edcc1bf476bcd4a09015b4af09eedf660a43bf3d29a16f
MD5 hash:
1d1234ba19c430923b22f531bb19b369
SHA1 hash:
9868c1e97a3be16100a61b5ee1f7d2838b4782a8
Link:
https://www.unpac.me/results/16ccaea0-2db6-4532-9115-9681c8d64f5d/
SH256 hash:
48e99b563e3e2daea132c5da122ad630f6015456ac58d4fe86f9dc65f6a0c943
MD5 hash:
0a116260608f58b1af2655516369a5cd
SHA1 hash:
8f3ce00f15dce28b65699c0b4544088605156371
Link:
https://www.unpac.me/results/16ccaea0-2db6-4532-9115-9681c8d64f5d/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Noon
Score:
0.80
Link:
https://yomi.yoroi.company/submissions/48e99b563e3e2daea132c5da122ad630f6015456ac58d4fe86f9dc65f6a0c943

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_InTheFu
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:IPPort_combo_mem
Create hunting rule
Author:James_inthe_box
Description:IP and port combo

File information

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

Malspam

Formbook

zip fde127703ffcb5cdf114eca23f4a60afbb60b0632ed3aed03a7e4625cea7c355

Formbook

Executable exe 48e99b563e3e2daea132c5da122ad630f6015456ac58d4fe86f9dc65f6a0c943

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 fde127703ffcb5cdf114eca23f4a60afbb60b0632ed3aed03a7e4625cea7c355
  
Dropped by
SHA256 b488476fd73f2f4fe982761e9c784db0d57e67e84a791a45c0a9dd3210482b9b

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