MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 90a5faee22076b0369872bafae0c6f194f4d2a92ec0047427edc06590ee64f36. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 90a5faee22076b0369872bafae0c6f194f4d2a92ec0047427edc06590ee64f36
SHA3-384 hash: 535fc1488b87b2caade0546ae7ba8e1c640451c8663d949a6e50fa6208fdef9c066e65f8728be0a1d360d2dc43b31344
SHA1 hash: 6efc673da18f9761db345a033b24c21bc210a84d
MD5 hash: f3c2d4bc303d1f6772946ae4a6a34567
humanhash: juliet-sad-georgia-juliet
File name:8FhATvUfjFK2TVk.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'048'064 bytes
First seen:2022-12-14 14:04:37 UTC
Last seen:2022-12-14 15:35:10 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'603 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:FGTgVIYba8qhRvCPkNyFnhTWWWxGfS4G3r5/oOi3bJhxVsWy:FGT6Iz8qhRvCPkQFZWx
Threatray 17'895 similar samples on MalwareBazaar
TLSH T16425AE1131B394A3F8D745B78011BACC1E3D7112A6D1E22739B93A9462065BFFBD4FA2
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 malwarelabnet
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
183
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
8FhATvUfjFK2TVk.exe
Verdict:
Malicious activity
Analysis date:
2022-12-14 14:06:38 UTC
Tags:
formbook xloader trojan stealer
Link:
https://app.any.run/tasks/b17054e2-f0f1-4c24-8f4f-889fd7fa0876

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/346271/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.1735.853.29641.UNOFFICIAL
Create hunting rule

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:
packed
Link:
https://www.filescan.io/uploads/6399d810527933be940d8da2/reports/4f036bf6-342a-4fd5-9428-a02a233bb984/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/ed7086ec-82b0-4d53-9030-b9a8a6e67031
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1134270
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Deletes itself after installation
Injects a PE file into a foreign processes
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 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 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: 766998 Sample: 8FhATvUfjFK2TVk.exe Startdate: 14/12/2022 Architecture: WINDOWS Score: 100 27 www.suhosty.xyz 2->27 35 Snort IDS alert for network traffic 2->35 37 Malicious sample detected (through community Yara rule) 2->37 39 Antivirus detection for URL or domain 2->39 41 7 other signatures 2->41 9 8FhATvUfjFK2TVk.exe 3 2->9         started        signatures3 process4 file5 25 C:\Users\user\...\8FhATvUfjFK2TVk.exe.log, ASCII 9->25 dropped 53 Injects a PE file into a foreign processes 9->53 13 8FhATvUfjFK2TVk.exe 9->13         started        16 8FhATvUfjFK2TVk.exe 9->16         started        signatures6 process7 signatures8 55 Modifies the context of a thread in another process (thread injection) 13->55 57 Maps a DLL or memory area into another process 13->57 59 Sample uses process hollowing technique 13->59 61 Queues an APC in another process (thread injection) 13->61 18 explorer.exe 13->18 injected process9 dnsIp10 29 pollicino.online 195.110.124.133, 49726, 49728, 49729 REGISTER-ASIT Italy 18->29 31 shops.myshopify.com 23.227.38.74, 49722, 80 CLOUDFLARENETUS Canada 18->31 33 3 other IPs or domains 18->33 43 System process connects to network (likely due to code injection or exploit) 18->43 22 explorer.exe 13 18->22         started        signatures11 process12 signatures13 45 Tries to steal Mail credentials (via file / registry access) 22->45 47 Tries to harvest and steal browser information (history, passwords, etc) 22->47 49 Deletes itself after installation 22->49 51 2 other signatures 22->51
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/90a5faee22076b0369872bafae0c6f194f4d2a92ec0047427edc06590ee64f36/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-12-14 09:04:51 UTC
File Type:
PE (.Net Exe)
Extracted files:
23
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=scs7v3rca5vqg2mhfox24ddpdfhu2kus5qaeoqt63qdfsdxgj43a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
00898f3a97840deb064852654e9c86e6e250a0e638b51c6af8938aa086ca8e23
Formbook
2c412d963b9d1020bea10e91d8aa14a58b950e3b85c1dbc13be4301c468bd644
Formbook
3276e7ff57ccbea104651066c1d45301d52fbfce23d0d48f5238d82a51abd852
Formbook
40a0e178f578d7ec158ce487518b06e17fb3ef12af1f175064853128642c4817
Formbook
459ce6294883e7069e69f00661550399519e9710fa272e68b92fc23505269751
Formbook
7a235cfadbd748b39ad61448836b2fde622f708806d83c64a51a8207fe69c2b1
Formbook
a7537f2ef1d10ef549145bd8ce586f1cce82ed841eda60b991b01137bd558bab
Formbook
cf7453c66634ec6525211464e5156835d5c3f1fd6392a82c1eb6a4775b002ba6
Formbook
d1dd1f80a7b08c0b8ee7c3067df3d35dadc6af79b02761ccf70dfcaa53f76cd7
Formbook
dcc8a16c411d371bf110f3d0bfe6a4224a53810844ef1bc02d3f89f2e02e7c0b
Formbook
+ 17'885 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:2qgh rat spyware stealer trojan
Link:
https://tria.ge/reports/221214-rdt8asch9z/
Behaviour
Enumerates system info in registry
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
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Reads user/profile data of web browsers
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/ab806865-8d52-4f67-95cf-8ef7780ef21c
Unpacked files
SH256 hash:
67f0d796e15aa339f97a986c967e3111fdf39dfaad53767575c6cb2ba9b57139
MD5 hash:
3b1af7151db628bc7d5635271ab7d448
SHA1 hash:
d60f2940fa7985a4664a8ece21a09767ae9cf0f4
Detections:
XLoader
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/c199bc38-0678-400f-93f2-cd2e333dd866/
Parent samples :
7a235cfadbd748b39ad61448836b2fde622f708806d83c64a51a8207fe69c2b1
00898f3a97840deb064852654e9c86e6e250a0e638b51c6af8938aa086ca8e23
90a5faee22076b0369872bafae0c6f194f4d2a92ec0047427edc06590ee64f36
SH256 hash:
280372c1114cb1235a2d2d4c288b6532ac4333f08c9473384c08c91ff8aeb93d
MD5 hash:
ccbcb35bdd3ca9cc0122ad8585b1e033
SHA1 hash:
09b32f9e1ece635e7aac01f4010d81766fbd4d39
Link:
https://www.unpac.me/results/c199bc38-0678-400f-93f2-cd2e333dd866/
SH256 hash:
35cad145efd0b5b6396491150d2e307d4cb5e06d4f1b41aa310393c6dce520b9
MD5 hash:
56f8354a2e307e73243ff0056295fedd
SHA1 hash:
ed3257769ea438e1b5e86c3ef033e2deca86e239
Link:
https://www.unpac.me/results/c199bc38-0678-400f-93f2-cd2e333dd866/
SH256 hash:
1f5543d45fb9f25fc8fa599ffd7f694c19250fa644ed6a7fc296db4423ccbed3
MD5 hash:
a82132ecb2c71411e079ff26be43d5fa
SHA1 hash:
b9c98f3c7e248815f69e386dc4b33b728a7792e2
Link:
https://www.unpac.me/results/c199bc38-0678-400f-93f2-cd2e333dd866/
SH256 hash:
dab0f9c17fe6b085145c55eae687258513035f1a2e3a4b367518243c8ff226e6
MD5 hash:
2bee2494cbf66b75c0e38b8907d511d5
SHA1 hash:
7c829b709736b76338f26ddb31fe944cbf3bc1ef
Link:
https://www.unpac.me/results/c199bc38-0678-400f-93f2-cd2e333dd866/
SH256 hash:
a000e28f51f40830d58c277f38b69a9621cd261df82876289ea6e3080ff76928
MD5 hash:
9dbcdd52743d0ccf5ac7223d758a3fc7
SHA1 hash:
01ab24d6591d5d866d179951c39be031ed951508
Link:
https://www.unpac.me/results/c199bc38-0678-400f-93f2-cd2e333dd866/
SH256 hash:
90a5faee22076b0369872bafae0c6f194f4d2a92ec0047427edc06590ee64f36
MD5 hash:
f3c2d4bc303d1f6772946ae4a6a34567
SHA1 hash:
6efc673da18f9761db345a033b24c21bc210a84d
Link:
https://www.unpac.me/results/c199bc38-0678-400f-93f2-cd2e333dd866/
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/90a5faee22076b0369872bafae0c6f194f4d2a92ec0047427edc06590ee64f36

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:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
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.

Cape
Cape
https://www.capesandbox.com/analysis/346271/

Comments