MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 19a1020889f42ac59c040b985510efa28ab812edce9394f7f9cb7250a5d2c7a2. 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 2 File information Comments

SHA256 hash: 19a1020889f42ac59c040b985510efa28ab812edce9394f7f9cb7250a5d2c7a2
SHA3-384 hash: f9d000595cab597c13f13f077ddc2a1d71a355dc54c50a27317b56d5c30ce7c21183248e8e5d4d80403b1f2aa11cfce5
SHA1 hash: 0f13645ffb9abe2bfc1da75b912f7d83e5d9d327
MD5 hash: f6b425bbf52e0230b0f508cfc61ef773
humanhash: cardinal-alaska-whiskey-alanine
File name:f6b425bbf52e0230b0f508cfc61ef773.exe
Download: download sample
Signature Formbook
File size:1'052'160 bytes
First seen:2022-12-15 08:31:55 UTC
Last seen:2022-12-15 10:39:14 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'738 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:RGTgVIYbaF676M2OZpy54xIibLYIfevES4G3r5/oOi3bJhxVsWy:RGT6IzFOHpK4xIvv
TLSH T12E25AE1131F394A3F8D745A78021BACC1D3D7122A6D1E22739793A9462065BFFBD4FA2
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 abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
183
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
f6b425bbf52e0230b0f508cfc61ef773.exe
Verdict:
Suspicious activity
Analysis date:
2022-12-15 08:35:57 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Verdict:
No Threat
Threat level:
  2/10
Confidence:
100%
Tags:
packed
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.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected FormBook malware
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)
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
Sigma detected: Steal Google chrome login data
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:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 767573 Sample: wjRm7gdtKo.exe Startdate: 15/12/2022 Architecture: WINDOWS Score: 100 41 Malicious sample detected (through community Yara rule) 2->41 43 Antivirus detection for URL or domain 2->43 45 Multi AV Scanner detection for submitted file 2->45 47 7 other signatures 2->47 10 wjRm7gdtKo.exe 3 2->10         started        process3 file4 37 C:\Users\user\AppData\...\wjRm7gdtKo.exe.log, ASCII 10->37 dropped 61 Tries to detect virtualization through RDTSC time measurements 10->61 63 Injects a PE file into a foreign processes 10->63 14 wjRm7gdtKo.exe 10->14         started        signatures5 process6 signatures7 65 Modifies the context of a thread in another process (thread injection) 14->65 67 Maps a DLL or memory area into another process 14->67 69 Sample uses process hollowing technique 14->69 71 Queues an APC in another process (thread injection) 14->71 17 explorer.exe 14->17 injected process8 dnsIp9 39 www.dynop.online 68.65.121.34, 49698, 80 NAMECHEAP-NETUS United States 17->39 49 System process connects to network (likely due to code injection or exploit) 17->49 21 chkdsk.exe 18 17->21         started        signatures10 process11 file12 31 C:\Users\user\AppData\...\O7Mlogrv.ini, data 21->31 dropped 33 C:\Users\user\AppData\...\O7Mlogri.ini, data 21->33 dropped 51 Detected FormBook malware 21->51 53 Tries to steal Mail credentials (via file / registry access) 21->53 55 Tries to harvest and steal browser information (history, passwords, etc) 21->55 57 3 other signatures 21->57 25 cmd.exe 2 21->25         started        signatures13 process14 file15 35 C:\Users\user\AppData\Local\Temp\DB1, SQLite 25->35 dropped 59 Tries to harvest and steal browser information (history, passwords, etc) 25->59 29 conhost.exe 25->29         started        signatures16 process17
Threat name:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2022-12-14 13:06:35 UTC
File Type:
PE (.Net Exe)
Extracted files:
23
AV detection:
25 of 40 (62.50%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:b47h rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook payload
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
b16583f686259ca5c437eefd20d51a4d4c719274ed60d5f1d4c1232999bdd2ff
MD5 hash:
70520cf66c4d21480c7d2cb11bd3e0a6
SHA1 hash:
f167af9f3b1866e90fa436f114495aa89710d84b
SH256 hash:
35cad145efd0b5b6396491150d2e307d4cb5e06d4f1b41aa310393c6dce520b9
MD5 hash:
56f8354a2e307e73243ff0056295fedd
SHA1 hash:
ed3257769ea438e1b5e86c3ef033e2deca86e239
SH256 hash:
a6f49f81ec3139d997251dbdc2edce75b709b61ceff35c56d6eb0ec8e461a214
MD5 hash:
da61c17c9ec3eb07253a1efdd8c35b36
SHA1 hash:
bb519d62df9ffda896bbccb842e745ccff5e2120
SH256 hash:
a000e28f51f40830d58c277f38b69a9621cd261df82876289ea6e3080ff76928
MD5 hash:
9dbcdd52743d0ccf5ac7223d758a3fc7
SHA1 hash:
01ab24d6591d5d866d179951c39be031ed951508
SH256 hash:
19a1020889f42ac59c040b985510efa28ab812edce9394f7f9cb7250a5d2c7a2
MD5 hash:
f6b425bbf52e0230b0f508cfc61ef773
SHA1 hash:
0f13645ffb9abe2bfc1da75b912f7d83e5d9d327
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:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Web download

Formbook

Executable exe 19a1020889f42ac59c040b985510efa28ab812edce9394f7f9cb7250a5d2c7a2

(this sample)

  
Delivery method
Distributed via web download

Comments