formbook | c73ddd4b47e7691c3655bb1aa5ac034368f865fbc40c22b20c6ab774cb23dd31

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20220331-en
submitted
12/04/2022, 12:20

Sharing

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General

Target
DHL_April 2022 at 12.N_9B7290_PDF.exe
Size 688KB
Sample220412-phra4abdam
SHA256 c73ddd4b47e7691c3655bb1aa5ac034368f865fbc40c22b20c6ab774cb23dd31
MD5 42f2c63ef48f61b667742768a66f32aa
SHA1 e5e96aa9ecea654c89980538be63f07b070682db
SHA512 6362e50267fb755fd6464aa77e1307ad59ef080acb8fc585a68b71847a99e6058cd3263d8283deb4e78fd265c74abf3bdbc647380a9a2fc8df69d611ea6548ef
MD5 SHA1 SHA512

Score

10^/10

formbook modiloader g3db persistence rat spyware stealer suricata trojan

Malware Config

Extracted

Family

formbook

Version

Campaign

g3db

Decoy

rodrigoortigosa.com
gotechraise.com
evens.technology
savemyitcareer.com
liquorsmith.com
netmixtv-ddns.net
julialogoped.online
meja21.com
lifuinc.com
relxworld.com
fdgfhghj520.xyz
knight.xn--6qq986b3xl
vrmetavirtuel.com
keytocoins.com
poiu0167.com
usaservicedogreistration.com
badassmofoleague.com
millionairetravelnvacation.com
deibaabogados.com
io69.one
cnboffshore.com
hotline-maintenance.xyz
phrendlu.com
mintgreen-initiative.com
mgpower.one
bcptsb.club
changlitm.xyz
tnjgt.com
buildwithukraine.com
5368240842.site
nmteknoloji.com
crex.store
ukrainebreaknews.com
harristravelservices.com
obchodprodum.online
usaservicedogregitsration.com
j5mall.com
caipiao605.com
bushlips.com
cursosconfernando.com
pyugsa.site
globalrantyco.xyz
ezclinicworks.com
nataliacasephotography.com
propkarta.com
toporlandocashoffers.com
queryip.info
truflexen.info
remplastics.com
evgey.net
bitcoinnoticias.info
ukrainechildsupport.co
tapinbox.site
24-h-servicio-informacion.site
universitysupplydepot.com
fjyccloud.com
andreslv.com
ullysssignanddecal.com
procrastinationsports.com
hair-gg.com
commonswitchingplatform.com
fqwypq.biz
deny12ctz.com
daboobles.com
greatwallinstitutes.com

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
trojan modiloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata

Formbook Payload 3 IoCs

rat

resource	yara_rule
behavioral2/memory/3612-157-0x0000000000000000-mapping.dmp	formbook
behavioral2/memory/3612-158-0x0000000010410000-0x000000001043F000-memory.dmp	formbook
behavioral2/memory/2052-165-0x0000000000350000-0x000000000037F000-memory.dmp	formbook

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1082102374-1487407228-1886994731-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Ghdjfku = "C:\\Users\\Public\\Libraries\\ukfjdhG.url"	DHL_April 2022 at 12.N_9B7290_PDF.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 3612 set thread context of 1004	3612	logagent.exe	42
PID 2052 set thread context of 1004	2052	wscript.exe	42

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\Registry\User\S-1-5-21-1082102374-1487407228-1886994731-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	wscript.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 46 IoCs

pid	Process
4520	powershell.exe
4520	powershell.exe
3612	logagent.exe
3612	logagent.exe
3612	logagent.exe
3612	logagent.exe
2052	wscript.exe
2052	wscript.exe
2052	wscript.exe
2052	wscript.exe
2052	wscript.exe
2052	wscript.exe
2052	wscript.exe
2052	wscript.exe
2052	wscript.exe
2052	wscript.exe
2052	wscript.exe
2052	wscript.exe
2052	wscript.exe
2052	wscript.exe
2052	wscript.exe
2052	wscript.exe
2052	wscript.exe
2052	wscript.exe
2052	wscript.exe
2052	wscript.exe
2052	wscript.exe
2052	wscript.exe
2052	wscript.exe
2052	wscript.exe
2052	wscript.exe
2052	wscript.exe
2052	wscript.exe
2052	wscript.exe
2052	wscript.exe
2052	wscript.exe
2052	wscript.exe
2052	wscript.exe
2052	wscript.exe
2052	wscript.exe
2052	wscript.exe
2052	wscript.exe
2052	wscript.exe
2052	wscript.exe
2052	wscript.exe
2052	wscript.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1004	Explorer.EXE

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
3612	logagent.exe
3612	logagent.exe
3612	logagent.exe
2052	wscript.exe
2052	wscript.exe
2052	wscript.exe
2052	wscript.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

description	pid	Process
Token: SeDebugPrivilege	4520	powershell.exe
Token: SeDebugPrivilege	3612	logagent.exe
Token: SeDebugPrivilege	2052	wscript.exe
Token: SeShutdownPrivilege	1004	Explorer.EXE
Token: SeCreatePagefilePrivilege	1004	Explorer.EXE
Token: SeShutdownPrivilege	1004	Explorer.EXE
Token: SeCreatePagefilePrivilege	1004	Explorer.EXE

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 4544 wrote to memory of 3820	4544	DHL_April 2022 at 12.N_9B7290_PDF.exe	88
PID 4544 wrote to memory of 3820	4544	DHL_April 2022 at 12.N_9B7290_PDF.exe	88
PID 4544 wrote to memory of 3820	4544	DHL_April 2022 at 12.N_9B7290_PDF.exe	88
PID 3820 wrote to memory of 3596	3820	cmd.exe	90
PID 3820 wrote to memory of 3596	3820	cmd.exe	90
PID 3820 wrote to memory of 3596	3820	cmd.exe	90
PID 3596 wrote to memory of 4808	3596	cmd.exe	92
PID 3596 wrote to memory of 4808	3596	cmd.exe	92
PID 3596 wrote to memory of 4808	3596	cmd.exe	92
PID 4808 wrote to memory of 4532	4808	net.exe	93
PID 4808 wrote to memory of 4532	4808	net.exe	93
PID 4808 wrote to memory of 4532	4808	net.exe	93
PID 3596 wrote to memory of 4520	3596	cmd.exe	94
PID 3596 wrote to memory of 4520	3596	cmd.exe	94
PID 3596 wrote to memory of 4520	3596	cmd.exe	94
PID 4544 wrote to memory of 3612	4544	DHL_April 2022 at 12.N_9B7290_PDF.exe	97
PID 4544 wrote to memory of 3612	4544	DHL_April 2022 at 12.N_9B7290_PDF.exe	97
PID 4544 wrote to memory of 3612	4544	DHL_April 2022 at 12.N_9B7290_PDF.exe	97
PID 4544 wrote to memory of 3612	4544	DHL_April 2022 at 12.N_9B7290_PDF.exe	97
PID 4544 wrote to memory of 3612	4544	DHL_April 2022 at 12.N_9B7290_PDF.exe	97
PID 4544 wrote to memory of 3612	4544	DHL_April 2022 at 12.N_9B7290_PDF.exe	97
PID 1004 wrote to memory of 2052	1004	Explorer.EXE	98
PID 1004 wrote to memory of 2052	1004	Explorer.EXE	98
PID 1004 wrote to memory of 2052	1004	Explorer.EXE	98
PID 2052 wrote to memory of 1916	2052	wscript.exe	99
PID 2052 wrote to memory of 1916	2052	wscript.exe	99
PID 2052 wrote to memory of 1916	2052	wscript.exe	99
PID 2052 wrote to memory of 4224	2052	wscript.exe	101
PID 2052 wrote to memory of 4224	2052	wscript.exe	101
PID 2052 wrote to memory of 4224	2052	wscript.exe	101

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1004
- C:\Users\Admin\AppData\Local\Temp\DHL_April 2022 at 12.N_9B7290_PDF.exe
  "C:\Users\Admin\AppData\Local\Temp\DHL_April 2022 at 12.N_9B7290_PDF.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:4544
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Public\Libraries\Ghdjfkut.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3820
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /K C:\Users\Public\Libraries\GhdjfkuO.bat
      4⤵
      Suspicious use of WriteProcessMemory
      PID:3596
    - - C:\Windows\SysWOW64\net.exe
        
        net session
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:4808
      - C:\Windows\SysWOW64\net1.exe
        
        C:\Windows\system32\net1 session
        6⤵
        
        PID:4532
    - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        
        powershell -WindowStyle Hidden -inputformat none -outputformat none -NonInteractive -Command "Add-MpPreference -ExclusionPath 'C:\Users'"
        5⤵
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:4520
- - C:\Windows\SysWOW64\logagent.exe
    C:\Windows\System32\logagent.exe
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:3612
- C:\Windows\SysWOW64\wscript.exe
  "C:\Windows\SysWOW64\wscript.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2052
- - C:\Windows\SysWOW64\cmd.exe
    /c copy "C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Login Data" "C:\Users\Admin\AppData\Local\Temp\DB1" /V
    3⤵
    PID:1916
- - C:\Program Files\Mozilla Firefox\Firefox.exe
    "C:\Program Files\Mozilla Firefox\Firefox.exe"
    3⤵
    PID:4224

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

DB1

Path C:\Users\Admin\AppData\Local\Temp\DB1
Size 40KB
SHA256 b281ce54125d4250a80f48fcc02a8eea53f2c35c3b726e2512c3d493da0013bf
MD5 b608d407fc15adea97c26936bc6f03f6
SHA1 953e7420801c76393902c0d6bb56148947e41571
SHA512 cc96ddf4bf90d6aaa9d86803cb2aa30cd8e9b295aee1bd5544b88aeab63dc60bb1d4641e846c9771bab51aabbfbcd984c6d3ee83b96f5b65d09c0841d464b9e4
SSDEEP 48:2j3WBA+IIYICVEq8MX0D0HSFlNUK6lGNxGt7KLk8s8LKvUf9KVyJ7hU:u2FCn8MZyFlulGNxGt7KLyeymw
MD5 SHA1 SHA512 SSDEEP

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NN1logim.jpeg

Path C:\Users\Admin\AppData\Roaming\NN1262T0\NN1logim.jpeg
Size 79KB
SHA256 ac4744c77125098d4d6191287f321a81911f82140888086fa01780168067035c
MD5 a3548117dba666d1500d658486a318b8
SHA1 aa662f6c7161991bf908b39344c9e937444c837e
SHA512 f73b11dd59ac2feaf11eb822b2c00cbe6cc5a1683a9ad92032803b9a7fdcc832e52c6b32b7cd3aa32350c1d01019b3195dc45c1e465dac84d2a3d764d71f53d6
SSDEEP 1536:sINXOglfKgtxqfHSz1HlLO0oB8/M8G4MSS9eYL36ySbNrBT:xNTgfyBc0igM8xMTewOzT
MD5 SHA1 SHA512 SSDEEP

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NN1logrf.ini

Path C:\Users\Admin\AppData\Roaming\NN1262T0\NN1logrf.ini
Size 40B
SHA256 1662d01a2d47b875a34fc7a8cd92e78cb2ba7f34023c7fd2639cbb10b8d94361
MD5 2f245469795b865bdd1b956c23d7893d
SHA1 6ad80b974d3808f5a20ea1e766c7d2f88b9e5895
SHA512 909f189846a5d2db208a5eb2e7cb3042c0f164caf437e2b1b6de608c0a70e4f3510b81b85753dbeec1e211e6a83e6ea8c96aff896e9b6e8ed42014473a54dc4f
MD5 SHA1 SHA512

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NN1logrg.ini

Path C:\Users\Admin\AppData\Roaming\NN1262T0\NN1logrg.ini
Size 38B
SHA256 75034beb7bded9aeab5748f4592b9e1419256caec474065d43e531ec5cc21c56
MD5 4aadf49fed30e4c9b3fe4a3dd6445ebe
SHA1 1e332822167c6f351b99615eada2c30a538ff037
SHA512 eb5b3908d5e7b43ba02165e092f05578f45f15a148b4c3769036aa542c23a0f7cd2bc2770cf4119a7e437de3f681d9e398511f69f66824c516d9b451bb95f945
MD5 SHA1 SHA512

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NN1logri.ini

Path C:\Users\Admin\AppData\Roaming\NN1262T0\NN1logri.ini
Size 40B
SHA256 eaece2eba6310253249603033c744dd5914089b0bb26bde6685ec9813611baae
MD5 d63a82e5d81e02e399090af26db0b9cb
SHA1 91d0014c8f54743bba141fd60c9d963f869d76c9
SHA512 38afb05016d8f3c69d246321573997aaac8a51c34e61749a02bf5e8b2b56b94d9544d65801511044e1495906a86dc2100f2e20ff4fcbed09e01904cc780fdbad
MD5 SHA1 SHA512

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NN1logrv.ini

Path C:\Users\Admin\AppData\Roaming\NN1262T0\NN1logrv.ini
Size 872B
SHA256 ee83c6bcea9353c74bfc0a7e739f3c4a765ace894470e09cdcdebba700b8d4cb
MD5 bbc41c78bae6c71e63cb544a6a284d94
SHA1 33f2c1d9fa0e9c99b80bc2500621e95af38b1f9a
SHA512 0aea424b57adae3e14ad6491cab585f554b4dffe601b5a17bad6ee6177d2f0f995e419cde576e2d1782b9bddc0661aada11a2c9f1454ae625d9e3223635ec9f4
MD5 SHA1 SHA512

Submit Download

Cdex.bat

Path C:\Users\Public\Libraries\Cdex.bat
Size 155B
SHA256 37c59c8398279916cfce45f8c5e3431058248f5e3bef4d9f5c0f44a7d564f82e
MD5 213c60adf1c9ef88dc3c9b2d579959d2
SHA1 e4d2ad7b22b1a8b5b1f7a702b303c7364b0ee021
SHA512 fe897d9caa306b0e761b2fd61bb5dc32a53bfaad1ce767c6860af4e3ad59c8f3257228a6e1072dab0f990cb51c59c648084ba419ac6bc5c0a99bdffa569217b7
MD5 SHA1 SHA512

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GhdjfkuO.bat

Path C:\Users\Public\Libraries\GhdjfkuO.bat
Size 1KB
SHA256 4ef9821678da07138c19405387f3fb95e409fbd461c7b8d847c05075facd63ca
MD5 df48c09f243ebcc8a165f77a1c2bf889
SHA1 455f7db0adcc2a58d006f1630fb0bd55cd868c07
SHA512 735838c7cca953697ded48adfcd037b7f198072a8962f5940ce12e1bb1c7dd8c1f257a829276f5f5456f776f5bd13342222dd6e0dfc8f18a23f464f2c8d8f1cc
MD5 SHA1 SHA512

Submit Download

Ghdjfkut.bat

Path C:\Users\Public\Libraries\Ghdjfkut.bat
Size 56B
SHA256 f2079e33096a61d48df2581afedf21913847ed262bbe7273499ab1a2cf801543
MD5 d213fc79ba66ee475a4b212e72c70cff
SHA1 ad510164ca740a50b33d76b40652662fe23f5b66
SHA512 756760bb3d7427bec7ec00c7f698db7def045888951de5554bdd9764d7b5fa2bfb6bc1a3c575f14131df7fbd97f8cb60197c6892f409b394634f7b78c0121d50
MD5 SHA1 SHA512

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memory/1004-162-0x0000000008200000-0x000000000832D000-memory.dmp

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memory/1004-170-0x00000000080D0000-0x00000000081BD000-memory.dmp

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memory/2052-166-0x0000000002810000-0x0000000002B5A000-memory.dmp

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memory/2052-169-0x0000000002550000-0x00000000025E4000-memory.dmp

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memory/2052-165-0x0000000000350000-0x000000000037F000-memory.dmp

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memory/2052-164-0x0000000000A80000-0x0000000000AA7000-memory.dmp

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memory/3612-161-0x0000000000910000-0x0000000000925000-memory.dmp

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memory/3612-160-0x00000000024C0000-0x000000000280A000-memory.dmp

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memory/3612-158-0x0000000010410000-0x000000001043F000-memory.dmp

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memory/4520-142-0x0000000005690000-0x00000000056B2000-memory.dmp

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memory/4520-156-0x0000000007B60000-0x0000000007B68000-memory.dmp

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memory/4520-155-0x0000000007B70000-0x0000000007B8A000-memory.dmp

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memory/4520-154-0x0000000007A70000-0x0000000007A7E000-memory.dmp

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memory/4520-153-0x0000000007AA0000-0x0000000007B36000-memory.dmp

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memory/4520-152-0x00000000078B0000-0x00000000078BA000-memory.dmp

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memory/4520-151-0x0000000007770000-0x000000000778A000-memory.dmp

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memory/4520-150-0x0000000007EF0000-0x000000000856A000-memory.dmp

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memory/4520-149-0x0000000006AB0000-0x0000000006ACE000-memory.dmp

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memory/4520-148-0x000000006FF10000-0x000000006FF5C000-memory.dmp

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memory/4520-147-0x0000000006AD0000-0x0000000006B02000-memory.dmp

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memory/4520-146-0x0000000005155000-0x0000000005157000-memory.dmp

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memory/4520-145-0x0000000006570000-0x000000000658E000-memory.dmp

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memory/4520-144-0x0000000005EE0000-0x0000000005F46000-memory.dmp

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memory/4520-143-0x0000000005E70000-0x0000000005ED6000-memory.dmp

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memory/4520-141-0x0000000005790000-0x0000000005DB8000-memory.dmp

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memory/4520-140-0x00000000050B0000-0x00000000050E6000-memory.dmp

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