MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5b159fc1bab2c03c792747eac7c315c5f83dfef3145e617184d4a6dd86e359f5. 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: 16


Intelligence 16 IOCs YARA 2 File information Comments
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SHA256 hash: 5b159fc1bab2c03c792747eac7c315c5f83dfef3145e617184d4a6dd86e359f5
SHA3-384 hash: c8c10415d1716c9c6e2798e38c42e7aa6d90ed452b9fd529ba217bdedc0a8a454f09e0d243e86de27f0bc3560eb0628a
SHA1 hash: 7e83b56375180f14e32178a546294e5d4ecc0262
MD5 hash: a7b3d41a30cf7d4936e12c07cbfa0ad5
humanhash: two-coffee-montana-twelve
File name:gCiRq94ekBiUU0B.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'029'120 bytes
First seen:2022-12-14 12:57:21 UTC
Last seen:2022-12-14 14:33:53 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 24576:QJGTgVIYbaDPjTvVdpNw/2PlAmGiO8XS4G3r5/oOi3bJhxVsWy:CGT6IzDjTjpNRd
TLSH T1F225AD0131B394A3F8D745B74021BACD1E3C7122A6D1E22739793A9162165BFFBD4FA2
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
194
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
gCiRq94ekBiUU0B.exe
Verdict:
Malicious activity
Analysis date:
2022-12-14 12:59:35 UTC
Tags:
formbook xloader
Link:
https://app.any.run/tasks/60f1a952-01e2-4d42-a233-1fcd96ed03d0

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/346247/
Detection(s):
SecuriteInfo.com.Trojan.Olock.1.5840.5977.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6399c85d0c6473d1671b0ccf/reports/71db5c6d-1c21-405f-a675-1c68a0f8321b/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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/bd85f025-a67c-4cfd-a33d-884cd2608990
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1134228
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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 domain / URL
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 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: 766956 Sample: gCiRq94ekBiUU0B.exe Startdate: 14/12/2022 Architecture: WINDOWS Score: 100 32 www.kasslot.com 2->32 36 Multi AV Scanner detection for domain / URL 2->36 38 Malicious sample detected (through community Yara rule) 2->38 40 Antivirus detection for URL or domain 2->40 42 6 other signatures 2->42 9 gCiRq94ekBiUU0B.exe 3 2->9         started        signatures3 process4 file5 24 C:\Users\user\...\gCiRq94ekBiUU0B.exe.log, ASCII 9->24 dropped 12 gCiRq94ekBiUU0B.exe 9->12         started        15 gCiRq94ekBiUU0B.exe 9->15         started        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 17 explorer.exe 12->17 injected process8 dnsIp9 26 www.guardify.ru 141.144.231.226, 49706, 49707, 49708 ORCL-LON-OPC1GB Sweden 17->26 28 www.dkc010.com 141.193.156.186, 49702, 80 NETSEC-HKNETSECHK Hong Kong 17->28 30 www.kyototravel.net 133.130.64.144, 49703, 49704, 49705 INTERQGMOInternetIncJP Japan 17->30 34 System process connects to network (likely due to code injection or exploit) 17->34 21 msdt.exe 13 17->21         started        signatures10 process11 signatures12 44 Tries to steal Mail credentials (via file / registry access) 21->44 46 Tries to harvest and steal browser information (history, passwords, etc) 21->46 48 Modifies the context of a thread in another process (thread injection) 21->48 50 Maps a DLL or memory area into another process 21->50
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5b159fc1bab2c03c792747eac7c315c5f83dfef3145e617184d4a6dd86e359f5/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-12-14 09:28:04 UTC
File Type:
PE (.Net Exe)
Extracted files:
23
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=lmkz7qn2wlady6jhi7vmpqyvyx4d37xtcrpgc4me2stn3bxdlh2q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:bmr1 rat spyware stealer trojan
Link:
https://tria.ge/reports/221214-p7g4qacg9v/
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
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Reads user/profile data of web browsers
Blocklisted process makes network request
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/31085312-105a-4cf1-84bd-fa84aaaa5155
Unpacked files
SH256 hash:
ef16217780a46e8897e25a9c6118c3dd7d1b02cd14854bd34813f6fc6bcd51f3
MD5 hash:
87b6eff2a6e458d5286ffd81224c908b
SHA1 hash:
3ad8fbfab912ebc43a68fb776d3ddd247bd78a71
Detections:
XLoader
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/31fd7a4f-37de-444f-b39e-f22b53914caa/
Parent samples :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 hash:
8192266c229eac4675ff1fb94a0311d69f49a30ea8581fdf3066761c579fbc26
MD5 hash:
4e8cb27da9e9cd3c2600117a53055218
SHA1 hash:
b245bd33081e0605be93290302a6e4f3433d1e7d
Link:
https://www.unpac.me/results/31fd7a4f-37de-444f-b39e-f22b53914caa/
SH256 hash:
35cad145efd0b5b6396491150d2e307d4cb5e06d4f1b41aa310393c6dce520b9
MD5 hash:
56f8354a2e307e73243ff0056295fedd
SHA1 hash:
ed3257769ea438e1b5e86c3ef033e2deca86e239
Link:
https://www.unpac.me/results/31fd7a4f-37de-444f-b39e-f22b53914caa/
SH256 hash:
9ba5d86f27f91e533ca68f94d0d6bedc772b0210e10ce65d08b20b9a35b8d479
MD5 hash:
bc70970fd8697cd2a18c49942612bc4a
SHA1 hash:
e3cbe563df48efbe1df9907b9984f2861fd7cb3e
Link:
https://www.unpac.me/results/31fd7a4f-37de-444f-b39e-f22b53914caa/
SH256 hash:
f229a2bf57ec58718562177ed1c931b5c10dc3c8a323a7f4418c3a001441c508
MD5 hash:
c44ccc1c1c7f198747dfb1432fb168cb
SHA1 hash:
4a66f0ccbc56cc6775f70e8a3e9ac6106a0ddcdf
Link:
https://www.unpac.me/results/31fd7a4f-37de-444f-b39e-f22b53914caa/
SH256 hash:
a000e28f51f40830d58c277f38b69a9621cd261df82876289ea6e3080ff76928
MD5 hash:
9dbcdd52743d0ccf5ac7223d758a3fc7
SHA1 hash:
01ab24d6591d5d866d179951c39be031ed951508
Link:
https://www.unpac.me/results/31fd7a4f-37de-444f-b39e-f22b53914caa/
SH256 hash:
5b159fc1bab2c03c792747eac7c315c5f83dfef3145e617184d4a6dd86e359f5
MD5 hash:
a7b3d41a30cf7d4936e12c07cbfa0ad5
SHA1 hash:
7e83b56375180f14e32178a546294e5d4ecc0262
Link:
https://www.unpac.me/results/31fd7a4f-37de-444f-b39e-f22b53914caa/
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/5b159fc1bab2c03c792747eac7c315c5f83dfef3145e617184d4a6dd86e359f5

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

rar d145303ec65f8f94739971e59402451b04e5fc57baad10e2cedda2041a22c1f1

Formbook

Executable exe 5b159fc1bab2c03c792747eac7c315c5f83dfef3145e617184d4a6dd86e359f5

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/346247/
  
Dropped by
SHA256 d145303ec65f8f94739971e59402451b04e5fc57baad10e2cedda2041a22c1f1
  
Dropped by
MD5 dcbf5d0d987649c7f359b28fc81d4d61

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