MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 da7d5d4f66ec3b6d1bdb4301b01d1b9849c6c06c3345d72400a5652f7ac8a52d. 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 4 File information Comments
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SHA256 hash: da7d5d4f66ec3b6d1bdb4301b01d1b9849c6c06c3345d72400a5652f7ac8a52d
SHA3-384 hash: 853879d20b134e5b06f9e8e4b443ff2a57074e8eba75ee7d46e50d078baf9f2c726549e5dfb3ed190cfba52361820712
SHA1 hash: e8bcaeb86a2d63d87bfd9648277c5810e8b1a5e9
MD5 hash: 96f089a03d1d9087348a95df0e73dee7
humanhash: jersey-paris-oranges-stream
File name:6ep.exe
Download: download sample
Signature FormBook
Create hunting rule
File size:887'808 bytes
First seen:2022-05-16 12:52:47 UTC
Last seen:2022-05-16 13:46:23 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'659 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:s8KAC+6OKpLeoP0MAfkxsBwoyGKnzRLsVKAC+6OKpLeoP0MAfkxsBwoyGKnzRLsw:s8KAC+6OKpLeoP0MAfkxsBwoyGKnzRL/
TLSH T1AE15AF22A2C4E69CDE2A72F2EF5D4C722293BDD9404186A6D17E37A64572717CC13B0F
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 4d5d5b5f4f474d94 (3 x AgentTesla, 2 x Formbook, 2 x SnakeKeylogger)
Reporter James_inthe_box
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
187
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
6ep.exe
Verdict:
Malicious activity
Analysis date:
2022-05-16 23:51:31 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/0dfe6633-9089-489c-8bb9-3a80a002d1f4

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/271126/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Launching a process
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware obfuscated packed replace.exe
Link:
https://www.filescan.io/uploads/62824934bc516cf66c28c3a3/reports/b0078aff-6e9e-492f-8c6b-21ca7d656cf4/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/f7c18885-72b5-49bf-b4d6-5efcec6db7b9
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/994924
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Detected FormBook malware
Found malware configuration
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
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)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 627422 Sample: 6ep.exe Startdate: 16/05/2022 Architecture: WINDOWS Score: 100 38 www.trial.ru.com 2->38 42 Found malware configuration 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 Multi AV Scanner detection for submitted file 2->46 48 6 other signatures 2->48 11 6ep.exe 3 2->11         started        signatures3 process4 file5 36 C:\Users\user\AppData\Local\...\6ep.exe.log, ASCII 11->36 dropped 14 RegSvcs.exe 11->14         started        17 RegSvcs.exe 11->17         started        process6 signatures7 62 Modifies the context of a thread in another process (thread injection) 14->62 64 Maps a DLL or memory area into another process 14->64 66 Sample uses process hollowing technique 14->66 68 Queues an APC in another process (thread injection) 14->68 19 explorer.exe 14->19 injected 70 Tries to detect virtualization through RDTSC time measurements 17->70 process8 dnsIp9 40 www.landscapinghampton.com 3.64.163.50, 49779, 49781, 49782 AMAZON-02US United States 19->40 50 System process connects to network (likely due to code injection or exploit) 19->50 23 mstsc.exe 18 19->23         started        signatures10 process11 file12 32 C:\Users\user\AppData\...\O00logrv.ini, data 23->32 dropped 34 C:\Users\user\AppData\...\O00logri.ini, data 23->34 dropped 52 Detected FormBook malware 23->52 54 Tries to steal Mail credentials (via file / registry access) 23->54 56 Tries to harvest and steal browser information (history, passwords, etc) 23->56 58 3 other signatures 23->58 27 cmd.exe 2 23->27         started        signatures13 process14 signatures15 60 Tries to harvest and steal browser information (history, passwords, etc) 27->60 30 conhost.exe 27->30         started        process16
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/da7d5d4f66ec3b6d1bdb4301b01d1b9849c6c06c3345d72400a5652f7ac8a52d/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-05-16 05:35:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
21
AV detection:
15 of 26 (57.69%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3j6v2t3g5q5w2g63ima3ahi3tbe4nqdmgnc5ojaauvss66wiuuwq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:s5hr rat spyware stealer trojan
Link:
https://tria.ge/reports/220516-p4lyhaegcj/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Reads user/profile data of web browsers
Formbook Payload
Formbook
Unpacked files
SH256 hash:
75b081bd58a8981d26b7fbd1a806bd91f5487c0a88da1c93005cde4a2671f835
MD5 hash:
2e61bac8096739834335a7cdfb44b858
SHA1 hash:
2e2038180c3244ad36424751bbb3ae36aa297e65
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/68848633-e28e-4702-b318-314f87cd9d3d/
Parent samples :
da7d5d4f66ec3b6d1bdb4301b01d1b9849c6c06c3345d72400a5652f7ac8a52d
f40a38225821147424c40ad23f18de1859e7c2ca11ae544387aed8ae2583b364
SH256 hash:
2bf0c72ef8109fb3ab9e89f48792721f699491cd7e98fbfe6395b4465311574d
MD5 hash:
f74239dd169373616290c6abeec5261f
SHA1 hash:
b2a01284f77960beaa5207bddaac9819e1f200f8
Link:
https://www.unpac.me/results/68848633-e28e-4702-b318-314f87cd9d3d/
SH256 hash:
709fdbef8932044e42231f14888aa12b12ddc571e6daba8af86d624a39fa63bf
MD5 hash:
a7a6647650fe0204d1ab042824d638be
SHA1 hash:
a1194aba19ab6190a412073fe1918cd1b559aacf
Link:
https://www.unpac.me/results/68848633-e28e-4702-b318-314f87cd9d3d/
SH256 hash:
6fa94e3e8dda54e7955d593ae51987c78b3569bb6c73a78d5aec4e4c7b96c6ff
MD5 hash:
f4bd4da47f7adb0f6bfee1f5b4b0258d
SHA1 hash:
3e6b5e7942802d5253b8d6a8fde3287c2400ca78
Link:
https://www.unpac.me/results/68848633-e28e-4702-b318-314f87cd9d3d/
SH256 hash:
da7d5d4f66ec3b6d1bdb4301b01d1b9849c6c06c3345d72400a5652f7ac8a52d
MD5 hash:
96f089a03d1d9087348a95df0e73dee7
SHA1 hash:
e8bcaeb86a2d63d87bfd9648277c5810e8b1a5e9
Link:
https://www.unpac.me/results/68848633-e28e-4702-b318-314f87cd9d3d/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/da7d5d4f66ec3b6d1bdb4301b01d1b9849c6c06c3345d72400a5652f7ac8a52d

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:malware_Formbook_strings
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information

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

  
Delivery method
Other
  
URLhaus
https://urlhaus.abuse.ch/url/2197412/
Cape
Cape
https://www.capesandbox.com/analysis/271126/

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