MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a261dd696014b1ee8348bef04980efda5d762a6563a08c0256d5f09fec1a8cd7. 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: 19


Intelligence 19 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a261dd696014b1ee8348bef04980efda5d762a6563a08c0256d5f09fec1a8cd7
SHA3-384 hash: b738b6ed6112847d5a4a0e6576e2b07756c81490f86060c3cc327c2922faec7cdada84f3beeecaff4e4009643871463a
SHA1 hash: 3e73abb05b65b135b104fdfd8a3e3112b214d863
MD5 hash: 0384a7d1cd538445271c4940818a7b7e
humanhash: helium-lima-cold-failed
File name:RFQ25101.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:709'120 bytes
First seen:2025-11-14 02:16:06 UTC
Last seen:2025-12-08 14:52:28 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash ef471c0edf1877cd5a881a6a8bf647b9 (83 x Formbook, 33 x Loki, 31 x Loda)
ssdeep 12288:xOv5jKhsfoPA+yeVKUCUxP4C902bdRtJJPiwce+x48ZMJAgFRa/v092azLP:xq5TfcdHj4fmbVMFMdFRB92azr
TLSH T1F6E422C064C4CC76EBA0B335807F8EC52726BA72CDCA2B6E6399F0577871247945276E
TrID 33.9% (.EXE) UPX compressed Win32 Executable (27066/9/6)
33.3% (.EXE) Win32 EXE Yoda's Crypter (26569/9/4)
13.1% (.EXE) Win64 Executable (generic) (10522/11/4)
6.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
5.6% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter threatcat_ch
Tags:exe FormBook UPX
File size (compressed) :709'120 bytes
File size (de-compressed) :1'194'496 bytes
Format:win32/pe
Unpacked file: 9d9d5763e3a3e02b4e14ea6f7a15ba7ec82ec9a61e51e65b4b7a2489ff01e563

Intelligence

File Origin
# of uploads :
7
# of downloads :
127
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
RFQ25101.exe
Verdict:
No threats detected
Analysis date:
2025-11-14 02:16:56 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/088b30c0-08c9-472b-a838-2c0d3a2bcb03

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/38162/
Detection(s):
SecuriteInfo.com.W32.Trojan.VORE-2106.1542.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=691690f9bdb0ec3a9dc120e0
Tags:
autoit overt virus remo
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Launching a process
DNS request
Сreating synchronization primitives
Connection attempt
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
autoit compiled-script formbook installer-heuristic microsoft_visual_cc packed packed packed phishing unsafe upx
Link:
https://www.filescan.io/uploads/691690f5caa454a592de77d0/reports/6533a583-0b61-4007-8457-c38c2796cf06/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/a261dd696014b1ee8348bef04980efda5d762a6563a08c0256d5f09fec1a8cd7
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-11-13T05:35:00Z UTC
Last seen:
2025-11-16T00:41:00Z UTC
Hits:
~10000
Detections:
Trojan-Dropper.Win32.Dorifel.sbd Trojan.Win32.Zenpak.sb Trojan.Win32.Strab.sb Trojan.Win32.Auzenpak.sb Trojan.Win32.Agent.sb PDM:Trojan.Win32.Generic Trojan-Spy.Win32.Noon.sb Trojan.Win32.Inject.sb HEUR:Trojan.Script.AUO.gen
Link:
https://opentip.kaspersky.com/a261dd696014b1ee8348bef04980efda5d762a6563a08c0256d5f09fec1a8cd7/results?tab=lookup
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c154c13b-8f58-43fa-87c5-13d07be3999f
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1813943
Signature
Binary is likely a compiled AutoIt script file
Initial sample is a PE file and has a suspicious name
Joe Sandbox ML detected suspicious sample
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
Queues an APC in another process (thread injection)
Switches to a custom stack to bypass stack traces
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Unusual module load detection (module proxying)
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1813943 Sample: RFQ25101.exe Startdate: 14/11/2025 Architecture: WINDOWS Score: 100 31 www.pw-zh-kaiyun.com 2->31 33 www.o2jr8h.info 2->33 35 9 other IPs or domains 2->35 43 Multi AV Scanner detection for submitted file 2->43 45 Yara detected FormBook 2->45 47 Binary is likely a compiled AutoIt script file 2->47 49 3 other signatures 2->49 11 RFQ25101.exe 4 2->11         started        signatures3 process4 signatures5 59 Binary is likely a compiled AutoIt script file 11->59 61 Writes to foreign memory regions 11->61 63 Maps a DLL or memory area into another process 11->63 65 Switches to a custom stack to bypass stack traces 11->65 14 svchost.exe 11->14         started        process6 signatures7 67 Maps a DLL or memory area into another process 14->67 69 Unusual module load detection (module proxying) 14->69 17 NVDaFbpJl0E0MC.exe 14->17 injected process8 process9 19 proquota.exe 13 17->19         started        signatures10 51 Tries to steal Mail credentials (via file / registry access) 19->51 53 Tries to harvest and steal browser information (history, passwords, etc) 19->53 55 Modifies the context of a thread in another process (thread injection) 19->55 57 4 other signatures 19->57 22 2jkqaxjVg.exe 19->22 injected 25 chrome.exe 19->25         started        27 firefox.exe 19->27         started        process11 dnsIp12 37 www.gae8ca4.info 154.216.116.173, 49695, 49696, 49697 POWERLINE-AS-APPOWERLINEDATACENTERHK Seychelles 22->37 39 www.pw-zh-kaiyun.com 154.218.103.148, 49693, 80 DXTL-HKDXTLTseungKwanOServiceHK Seychelles 22->39 41 6 other IPs or domains 22->41 29 WerFault.exe 4 25->29         started        process13
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/a261dd696014b1ee8348bef04980efda5d762a6563a08c0256d5f09fec1a8cd7
Verdict:
Malware
YARA:
5 match(es)
Tags:
AutoIt Decompiled Executable PE (Portable Executable) PE File Layout Suspect Win 32 Exe x86
Link:
https://app.malva.re/file/0384a7d1cd538445271c4940818a7b7e
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a261dd696014b1ee8348bef04980efda5d762a6563a08c0256d5f09fec1a8cd7/
Verdict:
Malicious
Threat:
Family.FORMBOOK
Link:
https://tip.neiki.dev/file/a261dd696014b1ee8348bef04980efda5d762a6563a08c0256d5f09fec1a8cd7
Threat name:
Win32.Trojan.Znyonm
Create hunting rule
Status:
Malicious
First seen:
2025-11-13 08:57:18 UTC
File Type:
PE (Exe)
Extracted files:
44
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ujq522lacsy65a2ix3yetahp3joxmktfmoqiyasw2xyj73a2rtlq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
autoit
Create hunting rule
Similar samples:
error
Formbook
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook discovery rat spyware stealer trojan upx
Link:
https://tria.ge/reports/251114-cqbjdstles/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
AutoIT Executable
Suspicious use of SetThreadContext
UPX packed file
Formbook payload
Formbook
Formbook family
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/ef276de6-bcee-4ca2-89b3-35327e95c78d
Unpacked files
SH256 hash:
a261dd696014b1ee8348bef04980efda5d762a6563a08c0256d5f09fec1a8cd7
MD5 hash:
0384a7d1cd538445271c4940818a7b7e
SHA1 hash:
3e73abb05b65b135b104fdfd8a3e3112b214d863
Link:
https://www.unpac.me/results/2d5a72e5-63c4-446f-a693-9f85b70288ab/
SH256 hash:
9d9d5763e3a3e02b4e14ea6f7a15ba7ec82ec9a61e51e65b4b7a2489ff01e563
MD5 hash:
5f0434759b304feb29fcdc576643b076
SHA1 hash:
0dbe525ea1118ba2342192c1b1c702161d88f93e
Detections:
AutoIT_Compiled
Create hunting rule
Link:
https://www.unpac.me/results/2d5a72e5-63c4-446f-a693-9f85b70288ab/
Parent samples :
a261dd696014b1ee8348bef04980efda5d762a6563a08c0256d5f09fec1a8cd7
9d9d5763e3a3e02b4e14ea6f7a15ba7ec82ec9a61e51e65b4b7a2489ff01e563
SH256 hash:
98bb3ca9e2a85f3b71fe13294a39ccb3189a17f28097c5f026f36679dc230154
MD5 hash:
77528bae1111971b41d3681df549560a
SHA1 hash:
d9aa223ca3c066dae6c684be7cb980dff347c1ce
Link:
https://www.unpac.me/results/2d5a72e5-63c4-446f-a693-9f85b70288ab/
SH256 hash:
ad116036888cc73def067eca55aa69ce1ec29b38531c9bab0b5819590b8de64b
MD5 hash:
90501ad67cea5e8b6f609f02962aeed9
SHA1 hash:
21da4cbff4d90bf50563380359e0f40238f6dec4
Detections:
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/2d5a72e5-63c4-446f-a693-9f85b70288ab/
Parent samples :
a261dd696014b1ee8348bef04980efda5d762a6563a08c0256d5f09fec1a8cd7
9d9d5763e3a3e02b4e14ea6f7a15ba7ec82ec9a61e51e65b4b7a2489ff01e563
893576f28b34077d76e44f7d0e0d02f7b8c78d893ae89a08d8b4fa07ea2a8769
7f6ac170b73b1c27c617cca5490db211a67f7d1d82e6e934956984efedfa16c6
9460bd13bd96c1b8efbcae59113e415108de827470984038d00c266a588a14bd
b62e5c0c5ffa1a2325034f596f1a731660b217bee5497ddf513041ad175c799d
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a261dd696014/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/a261dd696014b1ee8348bef04980efda5d762a6563a08c0256d5f09fec1a8cd7

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_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:UPXV200V290MarkusOberhumerLaszloMolnarJohnReiser
Create hunting rule
Author:malware-lu
Rule name:upx_largefile
Create hunting rule
Author:k3nr9

File information

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

Malspam

Formbook

zip 20aaf8d44238dfdc2e22c6560fd89dac4dabdf9345d432590885ede97913dedb

Formbook

Executable exe a261dd696014b1ee8348bef04980efda5d762a6563a08c0256d5f09fec1a8cd7

(this sample)

Formbook

Executable exe 9d9d5763e3a3e02b4e14ea6f7a15ba7ec82ec9a61e51e65b4b7a2489ff01e563

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/38162/
  
Dropping
SHA256 9d9d5763e3a3e02b4e14ea6f7a15ba7ec82ec9a61e51e65b4b7a2489ff01e563
  
Dropping
MD5 5f0434759b304feb29fcdc576643b076
  
Dropped by
SHA256 20aaf8d44238dfdc2e22c6560fd89dac4dabdf9345d432590885ede97913dedb
  
Dropped by
MD5 5aba4fd043149a95b25c144a6b93659a
  
Dropped by
SHA256 addf82deec14fc01840f30e639e4baec20c7fbcbd5404d1429846ccb8fb056f6
  
Dropped by
MD5 d1f5f8a4f394a3718bbd180f6e776488

Comments