Analysis
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max time kernel
144s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
03/04/2024, 12:30
Static task
static1
Behavioral task
behavioral1
Sample
495286cf4a06a306c3774ab6eaa7293c7e3ee8bdd86137474fc914068301233c.exe
Resource
win10v2004-20240226-en
General
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Target
495286cf4a06a306c3774ab6eaa7293c7e3ee8bdd86137474fc914068301233c.exe
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Size
289KB
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MD5
72ee6a5701ee0375067323f10fef62ff
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SHA1
6e95611270d933a58111f01c3b08e2d08c77fb81
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SHA256
495286cf4a06a306c3774ab6eaa7293c7e3ee8bdd86137474fc914068301233c
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SHA512
5d5e0bf455d82e43580ac729c98a73c6eb202b33b46e0ed255ae956e913715dbe8d64d1a64a1e30550062ad89c754776b1703160141434d634cbdfdc258847a1
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SSDEEP
3072:k4D0MM9wBZa0WkPhJ+KUsIh2aW1xmE7QbPIOB8OUiUuisRavkNxMaYK/HGB/itMU:kJJK3DfzosxubPCTiUuL3EBKvGpiMT
Malware Config
Extracted
stealc
http://185.172.128.26
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url_path
/f993692117a3fda2.php
Signatures
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Downloads MZ/PE file
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Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation 495286cf4a06a306c3774ab6eaa7293c7e3ee8bdd86137474fc914068301233c.exe Key value queried \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation BKJEHCAKFB.exe -
Executes dropped EXE 1 IoCs
pid Process 2384 BKJEHCAKFB.exe -
Loads dropped DLL 2 IoCs
pid Process 2904 495286cf4a06a306c3774ab6eaa7293c7e3ee8bdd86137474fc914068301233c.exe 2904 495286cf4a06a306c3774ab6eaa7293c7e3ee8bdd86137474fc914068301233c.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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Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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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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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
pid pid_target Process procid_target 1668 2904 WerFault.exe 93 -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 495286cf4a06a306c3774ab6eaa7293c7e3ee8bdd86137474fc914068301233c.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 495286cf4a06a306c3774ab6eaa7293c7e3ee8bdd86137474fc914068301233c.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 2788 PING.EXE -
Suspicious behavior: EnumeratesProcesses 12 IoCs
pid Process 2904 495286cf4a06a306c3774ab6eaa7293c7e3ee8bdd86137474fc914068301233c.exe 2904 495286cf4a06a306c3774ab6eaa7293c7e3ee8bdd86137474fc914068301233c.exe 2904 495286cf4a06a306c3774ab6eaa7293c7e3ee8bdd86137474fc914068301233c.exe 2904 495286cf4a06a306c3774ab6eaa7293c7e3ee8bdd86137474fc914068301233c.exe 2904 495286cf4a06a306c3774ab6eaa7293c7e3ee8bdd86137474fc914068301233c.exe 2904 495286cf4a06a306c3774ab6eaa7293c7e3ee8bdd86137474fc914068301233c.exe 2904 495286cf4a06a306c3774ab6eaa7293c7e3ee8bdd86137474fc914068301233c.exe 2904 495286cf4a06a306c3774ab6eaa7293c7e3ee8bdd86137474fc914068301233c.exe 2904 495286cf4a06a306c3774ab6eaa7293c7e3ee8bdd86137474fc914068301233c.exe 2904 495286cf4a06a306c3774ab6eaa7293c7e3ee8bdd86137474fc914068301233c.exe 2904 495286cf4a06a306c3774ab6eaa7293c7e3ee8bdd86137474fc914068301233c.exe 2904 495286cf4a06a306c3774ab6eaa7293c7e3ee8bdd86137474fc914068301233c.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 2904 wrote to memory of 3932 2904 495286cf4a06a306c3774ab6eaa7293c7e3ee8bdd86137474fc914068301233c.exe 105 PID 2904 wrote to memory of 3932 2904 495286cf4a06a306c3774ab6eaa7293c7e3ee8bdd86137474fc914068301233c.exe 105 PID 2904 wrote to memory of 3932 2904 495286cf4a06a306c3774ab6eaa7293c7e3ee8bdd86137474fc914068301233c.exe 105 PID 3932 wrote to memory of 2384 3932 cmd.exe 109 PID 3932 wrote to memory of 2384 3932 cmd.exe 109 PID 3932 wrote to memory of 2384 3932 cmd.exe 109 PID 2384 wrote to memory of 4032 2384 BKJEHCAKFB.exe 112 PID 2384 wrote to memory of 4032 2384 BKJEHCAKFB.exe 112 PID 2384 wrote to memory of 4032 2384 BKJEHCAKFB.exe 112 PID 4032 wrote to memory of 2788 4032 cmd.exe 114 PID 4032 wrote to memory of 2788 4032 cmd.exe 114 PID 4032 wrote to memory of 2788 4032 cmd.exe 114
Processes
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C:\Users\Admin\AppData\Local\Temp\495286cf4a06a306c3774ab6eaa7293c7e3ee8bdd86137474fc914068301233c.exe"C:\Users\Admin\AppData\Local\Temp\495286cf4a06a306c3774ab6eaa7293c7e3ee8bdd86137474fc914068301233c.exe"1⤵
- Checks computer location settings
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2904 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\BKJEHCAKFB.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3932 -
C:\Users\Admin\AppData\Local\Temp\BKJEHCAKFB.exe"C:\Users\Admin\AppData\Local\Temp\BKJEHCAKFB.exe"3⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2384 -
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\BKJEHCAKFB.exe4⤵
- Suspicious use of WriteProcessMemory
PID:4032 -
C:\Windows\SysWOW64\PING.EXEping 2.2.2.2 -n 1 -w 30005⤵
- Runs ping.exe
PID:2788
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2904 -s 24642⤵
- Program crash
PID:1668
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --no-appcompat-clear --mojo-platform-channel-handle=3224 --field-trial-handle=2284,i,15722001240173834669,15048020084704567542,262144 --variations-seed-version /prefetch:31⤵PID:4996
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2904 -ip 29041⤵PID:452
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3704 --field-trial-handle=2284,i,15722001240173834669,15048020084704567542,262144 --variations-seed-version /prefetch:81⤵PID:3984
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
11KB
MD5a33e5b189842c5867f46566bdbf7a095
SHA1e1c06359f6a76da90d19e8fd95e79c832edb3196
SHA2565abf8e3d1f78de7b09d7f6fb87f9e80e60caacf13ef3c1289665653dacd7c454
SHA512f2ad3812ec9b915e9618539b0f103f2e9acaad25fbbacd84941c954ce070af231324e83a4621e951c1dbae8d40d50410954e40dd52bbd46e34c54b0d1957407b
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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
2B
MD5d751713988987e9331980363e24189ce
SHA197d170e1550eee4afc0af065b78cda302a97674c
SHA2564f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945
SHA512b25b294cb4deb69ea00a4c3cf3113904801b6015e5956bd019a8570b1fe1d6040e944ef3cdee16d0a46503ca6e659a25f21cf9ceddc13f352a3c98138c15d6af
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Filesize
40B
MD520d4b8fa017a12a108c87f540836e250
SHA11ac617fac131262b6d3ce1f52f5907e31d5f6f00
SHA2566028bd681dbf11a0a58dde8a0cd884115c04caa59d080ba51bde1b086ce0079d
SHA512507b2b8a8a168ff8f2bdafa5d9d341c44501a5f17d9f63f3d43bd586bc9e8ae33221887869fa86f845b7d067cb7d2a7009efd71dda36e03a40a74fee04b86856
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Filesize
106KB
MD5fe380780b5c35bd6d54541791151c2be
SHA17fe3a583cf91474c733f85cebf3c857682e269e1
SHA256b64a84d1f88e4e78464a1901c1cb5bbd5f00bb73203d719e64e072157a087b53
SHA512ba05ba8aa13c4bc1cf98fbf6c08b021e8b19354098e0397fc8e1e5d3dcce367c1063203f24e50d0973193f6535681d0a43486e5dade5d112853b7a2fe8739b6c