MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8674688f673421c41dd39734f690c3b1b0aa8aceb5adeb057cf8b21d8f2e41a6. 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: 11


Intelligence 11 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8674688f673421c41dd39734f690c3b1b0aa8aceb5adeb057cf8b21d8f2e41a6
SHA3-384 hash: 8dc9de47dabd93ff497b29e226a96b97575115da666a124ec43d63a343c834b348eeba627b5093200a54d93814b88b1d
SHA1 hash: 969a580a9e874f8e5a38d7fb4db664be1aa35ce5
MD5 hash: 8ffb5b1aba6759d623f20a9744de4dd0
humanhash: oklahoma-lima-oscar-july
File name:төлем туралы есеп#454326_PDF.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:921'088 bytes
First seen:2021-07-19 09:41:41 UTC
Last seen:2021-07-19 10:34:57 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:PNVCqo8zTyvUIZbVlBPI2VBPpZ9SgkVJNoH6tm8EblyuVYvv/zzbVgnQe:0vDBlBPIOBPHsl7Q6tm7blmv/nbO
Threatray 6'578 similar samples on MalwareBazaar
TLSH T14615F1263227A254DC3883F55C65D1B13BBEAC1A662DC27829C8FC7F7DB36785AD0190
Reporter DFNCERT
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
107
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
төлем туралы есеп#454326_PDF.exe
Verdict:
Suspicious activity
Analysis date:
2021-07-19 09:27:11 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/2aa043e7-a35b-40d1-bdf0-947b498bf26d

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/172512/
Detection(s):
SecuriteInfo.com.Trojan.Siggen14.43389.9800.28445.UNOFFICIAL
Create hunting rule

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/6e2e5d87-a7cf-49c0-b765-d4dd0c6fddce
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/818163
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Suspicious Process Start Without DLL
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 450574 Sample: 4326_PDF.exe Startdate: 19/07/2021 Architecture: WINDOWS Score: 100 37 www.aqueouso.com 2->37 39 parkingpage.namecheap.com 2->39 43 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->43 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 8 other signatures 2->49 10 4326_PDF.exe 7 2->10         started        signatures3 process4 file5 31 C:\Users\user\AppData\Roaming\tUlSEv.exe, PE32 10->31 dropped 33 C:\Users\user\AppData\Local\...\tmp99C5.tmp, XML 10->33 dropped 35 C:\Users\user\AppData\...\4326_PDF.exe.log, ASCII 10->35 dropped 59 Uses schtasks.exe or at.exe to add and modify task schedules 10->59 61 Writes to foreign memory regions 10->61 63 Injects a PE file into a foreign processes 10->63 14 RegSvcs.exe 10->14         started        17 schtasks.exe 1 10->17         started        signatures6 process7 signatures8 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 2 other signatures 14->71 19 cscript.exe 14->19         started        22 explorer.exe 14->22 injected 25 conhost.exe 17->25         started        process9 dnsIp10 51 Modifies the context of a thread in another process (thread injection) 19->51 53 Maps a DLL or memory area into another process 19->53 55 Tries to detect virtualization through RDTSC time measurements 19->55 27 cmd.exe 1 19->27         started        41 www.stconstant.online 5.101.152.6, 49731, 80 BEGET-ASRU Russian Federation 22->41 57 System process connects to network (likely due to code injection or exploit) 22->57 signatures11 process12 process13 29 conhost.exe 27->29         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/8674688f673421c41dd39734f690c3b1b0aa8aceb5adeb057cf8b21d8f2e41a6/
Threat name:
Win32.Trojan.Wacatac
Create hunting rule
Status:
Malicious
First seen:
2021-07-19 02:46:06 UTC
AV detection:
9 of 46 (19.57%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qz2grd3hgqq4ihots42pnegdwgykvcwowww6wbl47czb3dzoigta._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
031af74c61339ca40eda7563268d9e2e2803064c141d3c46eb20acad3764f4cc
Formbook
09f19a43e9a0b736e9fcd33359267340b91a2ccc376c8cda72fac9754c1493c0
Formbook
533402c16a639ab11af6e3765d4c190f81c24f5fef39e65342a6201eaf971e1b
Formbook
8bb3e6cace7598576464639d7f88d0c4d55919b2e110a341df89a1569ae0d5b7
Formbook
91a4088de46853519f714462e98f3f8abd09ca5c71903639083cc3e1036a8406
Formbook
c25e2223ce02406f44264119d1cc1aec651d903991ecd91fb848a912fb1e349d
Formbook
d669d899b7cd236de403fd42807fffcf3600d5070d42e09e21f67ded211a504f
Formbook
e2e5850cea576bbc3c39a1e652f6c35e22229ab04ae734c5c7512b9ac3955964
Formbook
e68f17cfe87742103150ca9abd6cc16581caa6e0e0243d03fae2c89c2609c974
Formbook
fbd84cb8e6af7a001f186ce8bde8bd4cb163a77113b6cee0342b148fbaf2b386
Formbook
+ 6'568 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/210719-5wx1gt3qbx/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.constructioncleanup.pro/vd9n/
Unpacked files
SH256 hash:
9a8075c5d78a69661c1ed07d1dc6a8f76acc5edd1d900dec908fd95f3e00cdc4
MD5 hash:
7fc4eef3c07b4890608859686bb43c97
SHA1 hash:
05f2d020d59a10ace5506ec8f6a1a5377b3ab155
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/3032e03e-d64e-4a7f-be5a-b056e77a9c1e/
Parent samples :
7e30d5eb6d8414ba56f58a9adac0264bb16f4113061edab1c99f49bd34b6c163
8674688f673421c41dd39734f690c3b1b0aa8aceb5adeb057cf8b21d8f2e41a6
af348c0c8b491a8c7c11c7d46eae0c8a32949888950c2a2b44bc1ca0482498d8
b1ea67aa792591a3a7fe1e0666c1d156e33a225742e9af401d92cbc46e24ec3f
936b53b469b70aa0ed5749f7dfa9c279691c041634fa10ceb442b25512cba4b8
18e1c0b385dea6c1a52db85580f25fc0a2833084fd04e2a33288e739f08e3986
df6ade5c4e7c4f0e82aca32d744b6f8762d2dd82a98b7bda97e42748d488a661
f79e63a900f1686efb6938afab99d2df64b390be52d8af9dc8da2aff14844981
fa1836a4fb3ed7229baa120f142e09c911d657e52e648dcb7412d49bd5833c30
930ca41592c497666685d31cebd2afc885706bdad347e102a039015802d05bef
5fe669ecbc820aa52d3fb572b96b7c1cadad169da50cf1a67d4268cd917b041e
6f0a6315305a918cfaa7ec77275bd65a0acddbbac8b631ffe4dfb846a057a607
4307780f4d8e29477a0c018fe3a769fbc545bb54e14129319592271601599147
c788d595c8952558670f3420d11677f9455803c953e6614546013efdc4967725
ea8e3b0f4f9e0cfcc715a9d984cb406dde36f29e0fd229da070b851dc717495a
361b0f41c92e2156b12838e48d3180831f211f605dc68d46532ee49eaa4a0638
ad4bb72b8e2dfc1d1e4423c9a0983aa98dafff2ea460d1fabe666b6daaafb585
b9c7b6e3537f8278ce7338f46ec1b658bb0ed0d9cf5b4c04e8d6427ded11f7b2
ab2f8c8398a0233c6d9b0308b3499e7cababf65a1ec913c4a88c895edaa822c7
fb3d959898083e1cccc4e905b59121f9aa46519668bacf0ecaa2aab92eabdb20
1e447b92ca9481097e066983fe3f78b1d33304c054ccfdfbe60b4633e23283d3
24de2bd743d1e6a100fada5dfaf51f9853a52be639eb311aa71b3a42e0a51a92
88714530301981f0bd18b9a48850ae30574ac70f6eaae0bc9586a357cf9d163e
b0bf85e1e854644f318286b09de55328b07b5d767e586728e8a0fc698519810c
9bd0e2f3db2198a11805aedadf2ef3e75aba1c02f1bbe0fe880eb71bb6a2651b
97ea895e92f76192010e02f12aca8ec4ffa1b667e84c9958332d280ced624402
b5552492886576b448ff426818ee13eec06835ddd3b3c40f07d2f0e6026fe5aa
035384fd343cd402b110baf54a0d0581bbbb0227d68966091a1da5171a7db73e
d40a2b9afeea750b13595b40267238bd811fab0caeca139c97c4ae96bde0cc9f
a7d8dcc3d6ca2a179cf762487d258e40a75bb8e52a10c57a1282c36c97a9176d
f1e9550490c3ff70c5a36623d87419084d07fe0d8f6590cc411aa15d5c9d769b
8f6e11cb2103dc67d8c533379c9e7b14662084ebbab86b5fe1eaad1b65f33ad2
0c68bedf273c54fb11df082f5ba6db85fd819cf12f9d40a0a6a683d859315548
SH256 hash:
c65651f475c257b5e8f54cf64b660ac86cb18fa4e6209edbd3b7311f080f1430
MD5 hash:
f30a988a4ab52e4d6dfcc4d4cb8a468f
SHA1 hash:
bd869fbcff1b86fa2b90648d60b9c9cb4812239f
Link:
https://www.unpac.me/results/3032e03e-d64e-4a7f-be5a-b056e77a9c1e/
SH256 hash:
65782b0dc95e078e727677b73e2f4bfebd120d0b052a653552113f5f0863d974
MD5 hash:
4e5a0761231a5d6226561754e259168e
SHA1 hash:
62df79028cc1cda81dddde7e7b72a8826a56a8c0
Link:
https://www.unpac.me/results/3032e03e-d64e-4a7f-be5a-b056e77a9c1e/
SH256 hash:
83d9e44d9a311ea6fdbcbd09fdc816a2067806dcacf24beb5ee786191b1a3ea1
MD5 hash:
b1a7b752b6638ee03cffe5a1dde9213e
SHA1 hash:
52d215a173d2f293990f8c12fc7f4a86330a29cb
Link:
https://www.unpac.me/results/3032e03e-d64e-4a7f-be5a-b056e77a9c1e/
SH256 hash:
8674688f673421c41dd39734f690c3b1b0aa8aceb5adeb057cf8b21d8f2e41a6
MD5 hash:
8ffb5b1aba6759d623f20a9744de4dd0
SHA1 hash:
969a580a9e874f8e5a38d7fb4db664be1aa35ce5
Link:
https://www.unpac.me/results/3032e03e-d64e-4a7f-be5a-b056e77a9c1e/
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/8674688f673421c41dd39734f690c3b1b0aa8aceb5adeb057cf8b21d8f2e41a6

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:Formbook
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
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
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information

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

Malspam

Formbook

zip 1a5818fbaaea2fb0bf9a307576b01837fc0bf6963c727839768e0dccd67cbb97

Formbook

Executable exe 8674688f673421c41dd39734f690c3b1b0aa8aceb5adeb057cf8b21d8f2e41a6

(this sample)

  
Dropped by
MD5 ecd258238b86f2a1d9981f36c8725c44
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/172512/
  
Dropped by
SHA256 1a5818fbaaea2fb0bf9a307576b01837fc0bf6963c727839768e0dccd67cbb97

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