MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 81a7615059a198fe1b342813d2b1ea10e2fd77c6d5ad7afefcdd183520990ab0. 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 1 File information Comments
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SHA256 hash: 81a7615059a198fe1b342813d2b1ea10e2fd77c6d5ad7afefcdd183520990ab0
SHA3-384 hash: 77900943b1e3ff7c5e9c063ccb736cd48d7c9e5ec102b5a8e67b3db4719388517c651f40a7ab18faf9af8b495db165b1
SHA1 hash: 5b8a5eb300a6cb7034a2efd15969121a3b5ec543
MD5 hash: 02e993262b007de18d675f45a3a4f1ce
humanhash: michigan-mississippi-gee-avocado
File name:DHCM211220162538.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:606'827 bytes
First seen:2021-12-20 13:18:27 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 7fa974366048f9c551ef45714595665e (946 x Formbook, 398 x Loki, 261 x AgentTesla)
ssdeep 12288:u8Zi6xaPEwOTGr/L7Nf1UO0tFbsL4Hm9rq/T/ADD:uJ6xaVR3Nf190tFM4HmQk
Threatray 12'404 similar samples on MalwareBazaar
TLSH T166D4DFF13CA834D7FBBE0DB1E8166B6119F088E8618110DE7AAF575D64D6AD2401FF0A
File icon (PE):PE icon
dhash icon f0f092a2a282a2d0 (3 x AgentTesla, 2 x Formbook, 1 x NanoCore)
Reporter malwarelabnet
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
154
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/215463/
Detection(s):
SecuriteInfo.com.Trojan.Siggen16.12489.16092.136.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a file
Unauthorized injection to a recently created process
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
DNS request
Sending a custom TCP request
Searching for synchronization primitives
Setting browser functions hooks
Forced shutdown of a system process
Unauthorized injection to a system process
Unauthorized injection to a browser process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/2755/overview
Behaviour
MalwareBazaar
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
75%
Tags:
overlay packed
Link:
https://www.filescan.io/uploads/61c082c8ec6c6c14a9e51414/reports/e8d58c56-6833-4df3-a9af-811bf67f38e2/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/4504a48f-220f-4b62-a099-fc16c5c79f20
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/910261
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
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
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 542739 Sample: DHCM211220162538.exe Startdate: 20/12/2021 Architecture: WINDOWS Score: 100 36 www.jakobtanenhaus.com 2->36 38 ghs.googlehosted.com 2->38 50 Found malware configuration 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 Antivirus detection for URL or domain 2->54 56 3 other signatures 2->56 11 DHCM211220162538.exe 17 2->11         started        15 explorer.exe 121 2->15         started        signatures3 process4 file5 34 C:\Users\user\AppData\Local\Temp\...\ztph.dll, PE32 11->34 dropped 66 Tries to detect virtualization through RDTSC time measurements 11->66 68 Injects a PE file into a foreign processes 11->68 17 DHCM211220162538.exe 11->17         started        signatures6 process7 signatures8 42 Modifies the context of a thread in another process (thread injection) 17->42 44 Maps a DLL or memory area into another process 17->44 46 Sample uses process hollowing technique 17->46 48 Queues an APC in another process (thread injection) 17->48 20 explorer.exe 17->20 injected process9 process10 22 cscript.exe 20->22         started        25 autoconv.exe 20->25         started        signatures11 58 Self deletion via cmd delete 22->58 60 Modifies the context of a thread in another process (thread injection) 22->60 62 Maps a DLL or memory area into another process 22->62 64 Tries to detect virtualization through RDTSC time measurements 22->64 27 explorer.exe 1 152 22->27         started        30 cmd.exe 1 22->30         started        process12 dnsIp13 40 192.168.2.1 unknown unknown 27->40 32 conhost.exe 30->32         started        process14
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/81a7615059a198fe1b342813d2b1ea10e2fd77c6d5ad7afefcdd183520990ab0/
Threat name:
Win32.Trojan.SpyNoon
Create hunting rule
Status:
Malicious
First seen:
2021-12-20 13:19:10 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
19 of 28 (67.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=qgtwcuczugmp4gzufaj5fmpkcdrp256g2wwxv7x43umdkiezbkya._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
045c15ef3a76b61d487b30e3e554c77afbc4f3fc17078d3818b5392de608a92e
Formbook
1713e0bbb0108206edab4a49cfc1cd04ffbd53d93cbc6e61d7fe97896ddbbcd1
Formbook
3ff28d4f5a5b236c660c2714bf1b5a515cf72cd738afea35b916938024644538
Formbook
a68cb3bf1d9d41e29fcf2e4391e827591e58783cea5a13fe95403fb6b3429b5d
Formbook
ba2972170824e9bb06c18fce3fcfa5d52411163bc1ecdc55e7fe94fac3ba96ad
Formbook
c63cb761da677849b8382eb1d926569f00a04d57f2c789b63e7f2eb2e368a00c
Formbook
db4d5bd36f923fdd47daf48ace971f47e9764d27a2f88241f09c754c042efc28
Formbook
e04c2819db3610dc0498ae022644d1b2ab06927cc4fadf23b200af70b551d6d2
Formbook
f136f4f9c59c4ff2582063222c6df106a3d1e3d7d9220ff73e3cb2ec487fe1db
Formbook
+ 12'394 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:ch24 rat spyware stealer trojan
Link:
https://tria.ge/reports/211220-qkhmeaafb7/
Behaviour
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
Deletes itself
Loads dropped DLL
Formbook Payload
Formbook
Unpacked files
SH256 hash:
cc3686fc6aac1da5a9b84f614e713802dc14542c9eb5e4680d0106aacdd961cb
MD5 hash:
5ae9c526f3bb8f56c0ffaa7f449f6610
SHA1 hash:
f28d286babad607c59faad8d9ac096fc36e7babb
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/5a0f0052-1761-4739-861a-81234ed8dc84/
Parent samples :
e04c2819db3610dc0498ae022644d1b2ab06927cc4fadf23b200af70b551d6d2
81a7615059a198fe1b342813d2b1ea10e2fd77c6d5ad7afefcdd183520990ab0
2591e80a22e5b0b656e944afbdf80f6309d1f600315a9885d8ae92cc78e83933
a94cf69dea9775df9f51f32d9591f7208ac9c712289a1b851c30de3938b5a976
SH256 hash:
7382a4731e14cf1a6242aba8dc2a488a33c94c58df6c4e756129bacbe04618b8
MD5 hash:
d733099be4ff27ee6ee5f14ef8d102fd
SHA1 hash:
4abb10c398f0fd8c1f0e6fdf86bf6526f93e3f00
Link:
https://www.unpac.me/results/5a0f0052-1761-4739-861a-81234ed8dc84/
SH256 hash:
81a7615059a198fe1b342813d2b1ea10e2fd77c6d5ad7afefcdd183520990ab0
MD5 hash:
02e993262b007de18d675f45a3a4f1ce
SHA1 hash:
5b8a5eb300a6cb7034a2efd15969121a3b5ec543
Link:
https://www.unpac.me/results/5a0f0052-1761-4739-861a-81234ed8dc84/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/81a7615059a1/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.33
Link:
https://yomi.yoroi.company/submissions/81a7615059a198fe1b342813d2b1ea10e2fd77c6d5ad7afefcdd183520990ab0

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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time

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/215463/

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