Overview
overview
10Static
static
71bb14aa55b...33.exe
windows7-x64
101bb14aa55b...33.exe
windows10-2004-x64
10$PLUGINSDIR/INetC.dll
windows7-x64
3$PLUGINSDIR/INetC.dll
windows10-2004-x64
3$TEMP/BroomSetup.exe
windows7-x64
7$TEMP/BroomSetup.exe
windows10-2004-x64
7$TEMP/syncUpd.exe
windows7-x64
10$TEMP/syncUpd.exe
windows10-2004-x64
10Analysis
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max time kernel
150s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
12-03-2024 20:51
Behavioral task
behavioral1
Sample
1bb14aa55b98cb2b372c80bf8a953ca758d6f604199a236f396324ccde946333.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
1bb14aa55b98cb2b372c80bf8a953ca758d6f604199a236f396324ccde946333.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/INetC.dll
Resource
win7-20240221-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/INetC.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral5
Sample
$TEMP/BroomSetup.exe
Resource
win7-20240221-en
Behavioral task
behavioral6
Sample
$TEMP/BroomSetup.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral7
Sample
$TEMP/syncUpd.exe
Resource
win7-20240221-en
Behavioral task
behavioral8
Sample
$TEMP/syncUpd.exe
Resource
win10v2004-20240226-en
General
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Target
1bb14aa55b98cb2b372c80bf8a953ca758d6f604199a236f396324ccde946333.exe
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Size
2.0MB
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MD5
09b315d8a51bfef6bedab49f72302850
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SHA1
2d1366e8df6390c358eabbe438bf959dc452765b
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SHA256
1bb14aa55b98cb2b372c80bf8a953ca758d6f604199a236f396324ccde946333
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SHA512
ba9cc995e29dea16e11b9c756b63026b4aa8515f193ce401bdf2f70583a2e20b42f9ff684250c5e91cd6b93cecb5ebef1880bdfae23a46d55ccd564b56f41c1a
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SSDEEP
49152:LgM/xbXHyhP1zHBMm6gLsmxPkpRLNQCdcXM0CCAtkSx:K1z9LFat+XMqykg
Malware Config
Extracted
stealc
http://185.172.128.145
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url_path
/3cd2b41cbde8fc9c.php
Signatures
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Downloads MZ/PE file
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Executes dropped EXE 3 IoCs
Processes:
syncUpd.exeBroomSetup.exeKEGCBFCBFB.exepid process 2592 syncUpd.exe 2720 BroomSetup.exe 1112 KEGCBFCBFB.exe -
Loads dropped DLL 9 IoCs
Processes:
1bb14aa55b98cb2b372c80bf8a953ca758d6f604199a236f396324ccde946333.exesyncUpd.execmd.exepid process 2796 1bb14aa55b98cb2b372c80bf8a953ca758d6f604199a236f396324ccde946333.exe 2796 1bb14aa55b98cb2b372c80bf8a953ca758d6f604199a236f396324ccde946333.exe 2796 1bb14aa55b98cb2b372c80bf8a953ca758d6f604199a236f396324ccde946333.exe 2796 1bb14aa55b98cb2b372c80bf8a953ca758d6f604199a236f396324ccde946333.exe 2796 1bb14aa55b98cb2b372c80bf8a953ca758d6f604199a236f396324ccde946333.exe 2796 1bb14aa55b98cb2b372c80bf8a953ca758d6f604199a236f396324ccde946333.exe 2592 syncUpd.exe 2592 syncUpd.exe 1496 cmd.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Processes:
resource yara_rule \Users\Admin\AppData\Local\Temp\BroomSetup.exe upx behavioral1/memory/2720-38-0x0000000000400000-0x0000000000930000-memory.dmp upx C:\Users\Admin\AppData\Local\Temp\BroomSetup.exe upx behavioral1/memory/2720-85-0x0000000000400000-0x0000000000930000-memory.dmp upx behavioral1/memory/2720-181-0x0000000000400000-0x0000000000930000-memory.dmp upx -
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
KEGCBFCBFB.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\Ledger-Live Updater = "C:\\Users\\Admin\\AppData\\Local\\Temp\\KEGCBFCBFB.exe" KEGCBFCBFB.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 3 api.ipify.org -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
syncUpd.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 syncUpd.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString syncUpd.exe -
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Runs ping.exe 1 TTPs 1 IoCs
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Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
syncUpd.exeKEGCBFCBFB.exepid process 2592 syncUpd.exe 2592 syncUpd.exe 1112 KEGCBFCBFB.exe 1112 KEGCBFCBFB.exe 1112 KEGCBFCBFB.exe 1112 KEGCBFCBFB.exe 1112 KEGCBFCBFB.exe 1112 KEGCBFCBFB.exe 1112 KEGCBFCBFB.exe 1112 KEGCBFCBFB.exe 1112 KEGCBFCBFB.exe 1112 KEGCBFCBFB.exe 1112 KEGCBFCBFB.exe 1112 KEGCBFCBFB.exe 1112 KEGCBFCBFB.exe 1112 KEGCBFCBFB.exe 1112 KEGCBFCBFB.exe 1112 KEGCBFCBFB.exe 1112 KEGCBFCBFB.exe 1112 KEGCBFCBFB.exe 1112 KEGCBFCBFB.exe 1112 KEGCBFCBFB.exe 1112 KEGCBFCBFB.exe 1112 KEGCBFCBFB.exe 1112 KEGCBFCBFB.exe 1112 KEGCBFCBFB.exe 1112 KEGCBFCBFB.exe 1112 KEGCBFCBFB.exe 1112 KEGCBFCBFB.exe 1112 KEGCBFCBFB.exe 1112 KEGCBFCBFB.exe 1112 KEGCBFCBFB.exe 1112 KEGCBFCBFB.exe 1112 KEGCBFCBFB.exe 1112 KEGCBFCBFB.exe 1112 KEGCBFCBFB.exe 1112 KEGCBFCBFB.exe 1112 KEGCBFCBFB.exe 1112 KEGCBFCBFB.exe 1112 KEGCBFCBFB.exe 1112 KEGCBFCBFB.exe 1112 KEGCBFCBFB.exe 1112 KEGCBFCBFB.exe 1112 KEGCBFCBFB.exe 1112 KEGCBFCBFB.exe 1112 KEGCBFCBFB.exe 1112 KEGCBFCBFB.exe 1112 KEGCBFCBFB.exe 1112 KEGCBFCBFB.exe 1112 KEGCBFCBFB.exe 1112 KEGCBFCBFB.exe 1112 KEGCBFCBFB.exe 1112 KEGCBFCBFB.exe 1112 KEGCBFCBFB.exe 1112 KEGCBFCBFB.exe 1112 KEGCBFCBFB.exe 1112 KEGCBFCBFB.exe 1112 KEGCBFCBFB.exe 1112 KEGCBFCBFB.exe 1112 KEGCBFCBFB.exe 1112 KEGCBFCBFB.exe 1112 KEGCBFCBFB.exe 1112 KEGCBFCBFB.exe 1112 KEGCBFCBFB.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
KEGCBFCBFB.exedescription pid process Token: SeDebugPrivilege 1112 KEGCBFCBFB.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
BroomSetup.exepid process 2720 BroomSetup.exe -
Suspicious use of WriteProcessMemory 43 IoCs
Processes:
1bb14aa55b98cb2b372c80bf8a953ca758d6f604199a236f396324ccde946333.exeBroomSetup.execmd.exesyncUpd.execmd.exeKEGCBFCBFB.execmd.exedescription pid process target process PID 2796 wrote to memory of 2592 2796 1bb14aa55b98cb2b372c80bf8a953ca758d6f604199a236f396324ccde946333.exe syncUpd.exe PID 2796 wrote to memory of 2592 2796 1bb14aa55b98cb2b372c80bf8a953ca758d6f604199a236f396324ccde946333.exe syncUpd.exe PID 2796 wrote to memory of 2592 2796 1bb14aa55b98cb2b372c80bf8a953ca758d6f604199a236f396324ccde946333.exe syncUpd.exe PID 2796 wrote to memory of 2592 2796 1bb14aa55b98cb2b372c80bf8a953ca758d6f604199a236f396324ccde946333.exe syncUpd.exe PID 2796 wrote to memory of 2720 2796 1bb14aa55b98cb2b372c80bf8a953ca758d6f604199a236f396324ccde946333.exe BroomSetup.exe PID 2796 wrote to memory of 2720 2796 1bb14aa55b98cb2b372c80bf8a953ca758d6f604199a236f396324ccde946333.exe BroomSetup.exe PID 2796 wrote to memory of 2720 2796 1bb14aa55b98cb2b372c80bf8a953ca758d6f604199a236f396324ccde946333.exe BroomSetup.exe PID 2796 wrote to memory of 2720 2796 1bb14aa55b98cb2b372c80bf8a953ca758d6f604199a236f396324ccde946333.exe BroomSetup.exe PID 2796 wrote to memory of 2720 2796 1bb14aa55b98cb2b372c80bf8a953ca758d6f604199a236f396324ccde946333.exe BroomSetup.exe PID 2796 wrote to memory of 2720 2796 1bb14aa55b98cb2b372c80bf8a953ca758d6f604199a236f396324ccde946333.exe BroomSetup.exe PID 2796 wrote to memory of 2720 2796 1bb14aa55b98cb2b372c80bf8a953ca758d6f604199a236f396324ccde946333.exe BroomSetup.exe PID 2720 wrote to memory of 1124 2720 BroomSetup.exe cmd.exe PID 2720 wrote to memory of 1124 2720 BroomSetup.exe cmd.exe PID 2720 wrote to memory of 1124 2720 BroomSetup.exe cmd.exe PID 2720 wrote to memory of 1124 2720 BroomSetup.exe cmd.exe PID 1124 wrote to memory of 1636 1124 cmd.exe chcp.com PID 1124 wrote to memory of 1636 1124 cmd.exe chcp.com PID 1124 wrote to memory of 1636 1124 cmd.exe chcp.com PID 1124 wrote to memory of 1636 1124 cmd.exe chcp.com PID 1124 wrote to memory of 1960 1124 cmd.exe schtasks.exe PID 1124 wrote to memory of 1960 1124 cmd.exe schtasks.exe PID 1124 wrote to memory of 1960 1124 cmd.exe schtasks.exe PID 1124 wrote to memory of 1960 1124 cmd.exe schtasks.exe PID 2592 wrote to memory of 1496 2592 syncUpd.exe cmd.exe PID 2592 wrote to memory of 1496 2592 syncUpd.exe cmd.exe PID 2592 wrote to memory of 1496 2592 syncUpd.exe cmd.exe PID 2592 wrote to memory of 1496 2592 syncUpd.exe cmd.exe PID 2592 wrote to memory of 584 2592 syncUpd.exe cmd.exe PID 2592 wrote to memory of 584 2592 syncUpd.exe cmd.exe PID 2592 wrote to memory of 584 2592 syncUpd.exe cmd.exe PID 2592 wrote to memory of 584 2592 syncUpd.exe cmd.exe PID 1496 wrote to memory of 1112 1496 cmd.exe KEGCBFCBFB.exe PID 1496 wrote to memory of 1112 1496 cmd.exe KEGCBFCBFB.exe PID 1496 wrote to memory of 1112 1496 cmd.exe KEGCBFCBFB.exe PID 1496 wrote to memory of 1112 1496 cmd.exe KEGCBFCBFB.exe PID 1112 wrote to memory of 900 1112 KEGCBFCBFB.exe cmd.exe PID 1112 wrote to memory of 900 1112 KEGCBFCBFB.exe cmd.exe PID 1112 wrote to memory of 900 1112 KEGCBFCBFB.exe cmd.exe PID 1112 wrote to memory of 900 1112 KEGCBFCBFB.exe cmd.exe PID 900 wrote to memory of 3056 900 cmd.exe PING.EXE PID 900 wrote to memory of 3056 900 cmd.exe PING.EXE PID 900 wrote to memory of 3056 900 cmd.exe PING.EXE PID 900 wrote to memory of 3056 900 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\1bb14aa55b98cb2b372c80bf8a953ca758d6f604199a236f396324ccde946333.exe"C:\Users\Admin\AppData\Local\Temp\1bb14aa55b98cb2b372c80bf8a953ca758d6f604199a236f396324ccde946333.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2796 -
C:\Users\Admin\AppData\Local\Temp\syncUpd.exeC:\Users\Admin\AppData\Local\Temp\syncUpd.exe2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2592 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\KEGCBFCBFB.exe"3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1496 -
C:\Users\Admin\AppData\Local\Temp\KEGCBFCBFB.exe"C:\Users\Admin\AppData\Local\Temp\KEGCBFCBFB.exe"4⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1112 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C ping 2.2.2.2 -n 1 -w 3000 > Nul & Del C:\Users\Admin\AppData\Local\Temp\KEGCBFCBFB.exe5⤵
- Suspicious use of WriteProcessMemory
PID:900 -
C:\Windows\SysWOW64\PING.EXEping 2.2.2.2 -n 1 -w 30006⤵
- Runs ping.exe
PID:3056
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\CGCFBFBGHD.exe"3⤵PID:584
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C:\Users\Admin\AppData\Local\Temp\BroomSetup.exeC:\Users\Admin\AppData\Local\Temp\BroomSetup.exe2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2720 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Roaming\Temp\Task.bat" "3⤵
- Suspicious use of WriteProcessMemory
PID:1124 -
C:\Windows\SysWOW64\chcp.comchcp 12514⤵PID:1636
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C:\Windows\SysWOW64\schtasks.exeschtasks /create /tn "MalayamaraUpdate" /tr "'C:\Users\Admin\AppData\Local\Temp\Updater.exe'" /sc minute /mo 30 /F4⤵
- Creates scheduled task(s)
PID:1960
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1.2MB
MD58916cb0281cc757bcff8128ea14a8a56
SHA1b0410fbe2a8c646dcd3ab6eadc536fe9e5584398
SHA2564f74a52e941bf7b0b9918d0c62db1938b298b0dc33cd01d1708c2f3741f5ccb0
SHA512f6636dd93aef269a8d9bd50634db7f7bcc894d7a7ebf970f474a03e3a770bc2072dacdc52e10d927e289039e6b724a65c42f6b18cc7b2e95c1b162df635443bd
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Filesize
101KB
MD542b838cf8bdf67400525e128d917f6e0
SHA1a578f6faec738912dba8c41e7abe1502c46d0cae
SHA2560e4ffba62ce9a464aa1b7ff9f1e55ace8f51ff1e15102d856f801a81f8b4607d
SHA512f64b39d885375251ab7db72c57dc5b5095f0c6412169f1035d1f6a25b8415a2a01004d06bfa0267cf683ef7dea7a9f969ad43fde5a4376f1fcb65a57403433c0
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Filesize
128B
MD511bb3db51f701d4e42d3287f71a6a43e
SHA163a4ee82223be6a62d04bdfe40ef8ba91ae49a86
SHA2566be22058abfb22b40a42fb003f86b89e204a83024c03eb82cd53e2a0a047c331
SHA512907ad2c070cc1db89f43459a94d7f48985d939d749c9648b78572a266f0d3fde47813a129e9151dbf4a7d96d36f588172f57c88b8b947b56ed818d7d068abab2
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Filesize
593KB
MD5c8fd9be83bc728cc04beffafc2907fe9
SHA195ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA256ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
SHA512fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
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Filesize
2.0MB
MD51cc453cdf74f31e4d913ff9c10acdde2
SHA16e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA256ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
SHA512dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571
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Filesize
1.5MB
MD56cdcfba2811c413cda32989a50de2859
SHA17df96ea0276b9e03347efbe98a2c5f0247f39091
SHA2567a88017b915fe68031c378ad19564f1eddc6ceac5b5d9ecca180b967f1d8e0d8
SHA512b89611636216196d0ee1fd7b341e9776f62828112f53421a5f234061fe139c768dbdfdc7932f4de286724d5d1eff5204a6c19b1deb938bef62cf9b9b282784ed
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Filesize
21KB
MD52b342079303895c50af8040a91f30f71
SHA1b11335e1cb8356d9c337cb89fe81d669a69de17e
SHA2562d5d89025911e2e273f90f393624be4819641dbee1606de792362e442e54612f
SHA512550452dadc86ecd205f40668894116790a456fe46e9985d68093d36cf32abf00edecb5c56ff0287464a0e819db7b3cc53926037a116de6c651332a7cc8035d47
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Filesize
200KB
MD5c722591f624fb69970f246b8c81d830f
SHA185516decea5d6987bebe39cbadf36053beaf4bb0
SHA25613cd1152a19fdac6581cac2bd822f34bd3026ea1783ff231e299b6d28c046a6a
SHA512822584c5c8a0813af4d845e80919776c71a43464ab719d1c303ebaae6a8ed47763183566bedc9be2e8c44de8ee6fd62d1e12be471e5d5c73ae4b1dcdaa34a908