Resubmissions
13/04/2024, 10:00
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240413-l1v58acg25 713/04/2024, 10:00
240413-l1nq5scg23 813/04/2024, 09:59
240413-l1gylacf99 713/04/2024, 09:59
240413-l1gb3acf98 709/04/2024, 08:20
240409-j8er4aad99 809/04/2024, 08:20
240409-j8egbsad98 809/04/2024, 08:20
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240409-j8cyhadg4s 1026/02/2024, 04:47
240226-feyrbsdb58 8Analysis
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max time kernel
270s -
max time network
1205s -
platform
windows10-2004_x64 -
resource
win10v2004-20240319-en -
resource tags
arch:x64arch:x86image:win10v2004-20240319-enlocale:en-usos:windows10-2004-x64system -
submitted
09/04/2024, 08:20
Static task
static1
Behavioral task
behavioral1
Sample
40dc1ae099f2278650c0aa599ba00f659a87996208133d6a64b0cc5cbb5fe990.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
40dc1ae099f2278650c0aa599ba00f659a87996208133d6a64b0cc5cbb5fe990.exe
Resource
win10-20240404-en
Behavioral task
behavioral3
Sample
40dc1ae099f2278650c0aa599ba00f659a87996208133d6a64b0cc5cbb5fe990.exe
Resource
win10v2004-20240319-en
Behavioral task
behavioral4
Sample
40dc1ae099f2278650c0aa599ba00f659a87996208133d6a64b0cc5cbb5fe990.exe
Resource
win11-20240221-en
General
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Target
40dc1ae099f2278650c0aa599ba00f659a87996208133d6a64b0cc5cbb5fe990.exe
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Size
1.8MB
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MD5
147f5f5bbc80b2ad753993e15f3f32c2
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SHA1
16d73b4abeef12cf76414338901eb7bbef46775f
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SHA256
40dc1ae099f2278650c0aa599ba00f659a87996208133d6a64b0cc5cbb5fe990
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SHA512
9c43aaa68161ef04c60e3f64c3fd54426dfd387f0013f009f3da94d45f19e514cd41de7b95865c47f55e5800222fd74736659138bb96406aa37f9cdc8e5799b6
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SSDEEP
49152:L0F7w+ANy7moCOmY9x5VlLdf0w26/biK:IaXsCc9nmwfOK
Malware Config
Signatures
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resource yara_rule behavioral3/memory/3784-3-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral3/memory/3784-5-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral3/memory/3784-6-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral3/memory/3784-7-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral3/memory/3784-8-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral3/memory/3784-9-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral3/memory/3784-14-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral3/memory/3784-15-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral3/memory/3784-16-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral3/memory/3784-25-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral3/memory/3784-35-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral3/memory/3784-37-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral3/memory/3784-43-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral3/memory/3784-46-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral3/memory/3784-54-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral3/memory/3784-55-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral3/memory/3784-56-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral3/memory/3784-60-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral3/memory/3784-61-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral3/memory/3784-62-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral3/memory/3784-63-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral3/memory/3784-67-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral3/memory/3784-68-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral3/memory/3784-69-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral3/memory/3784-73-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral3/memory/3784-74-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral3/memory/3784-75-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral3/memory/3784-76-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral3/memory/3784-77-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral3/memory/3784-79-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral3/memory/3784-78-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral3/memory/3784-85-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral3/memory/3784-84-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral3/memory/3784-89-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral3/memory/3784-103-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral3/memory/3784-101-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral3/memory/3784-110-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral3/memory/3784-113-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral3/memory/3784-109-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral3/memory/3784-108-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral3/memory/3784-114-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral3/memory/3784-112-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral3/memory/3784-104-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral3/memory/3784-99-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral3/memory/3784-106-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral3/memory/3784-90-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral3/memory/3784-97-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral3/memory/3784-94-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral3/memory/3784-93-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral3/memory/3784-92-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral3/memory/3784-98-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral3/memory/3784-91-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral3/memory/3784-96-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral3/memory/3784-87-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral3/memory/3784-86-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral3/memory/3784-81-0x0000000000400000-0x0000000000848000-memory.dmp upx behavioral3/memory/3784-83-0x0000000000400000-0x0000000000848000-memory.dmp upx -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CSRSS = "\"C:\\ProgramData\\Drivers\\csrss.exe\"" 40dc1ae099f2278650c0aa599ba00f659a87996208133d6a64b0cc5cbb5fe990.exe -
Creates a large amount of network flows 1 TTPs
This may indicate a network scan to discover remotely running services.
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Legitimate hosting services abused for malware hosting/C2 1 TTPs 5 IoCs
flow ioc 1721 discord.com 1737 discord.com 2339 discord.com 3253 discord.com 4518 discord.com -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1052 set thread context of 3784 1052 40dc1ae099f2278650c0aa599ba00f659a87996208133d6a64b0cc5cbb5fe990.exe 94 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 3784 40dc1ae099f2278650c0aa599ba00f659a87996208133d6a64b0cc5cbb5fe990.exe 3784 40dc1ae099f2278650c0aa599ba00f659a87996208133d6a64b0cc5cbb5fe990.exe 3784 40dc1ae099f2278650c0aa599ba00f659a87996208133d6a64b0cc5cbb5fe990.exe 3784 40dc1ae099f2278650c0aa599ba00f659a87996208133d6a64b0cc5cbb5fe990.exe 3784 40dc1ae099f2278650c0aa599ba00f659a87996208133d6a64b0cc5cbb5fe990.exe 3784 40dc1ae099f2278650c0aa599ba00f659a87996208133d6a64b0cc5cbb5fe990.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1052 wrote to memory of 3784 1052 40dc1ae099f2278650c0aa599ba00f659a87996208133d6a64b0cc5cbb5fe990.exe 94 PID 1052 wrote to memory of 3784 1052 40dc1ae099f2278650c0aa599ba00f659a87996208133d6a64b0cc5cbb5fe990.exe 94 PID 1052 wrote to memory of 3784 1052 40dc1ae099f2278650c0aa599ba00f659a87996208133d6a64b0cc5cbb5fe990.exe 94 PID 1052 wrote to memory of 3784 1052 40dc1ae099f2278650c0aa599ba00f659a87996208133d6a64b0cc5cbb5fe990.exe 94 PID 1052 wrote to memory of 3784 1052 40dc1ae099f2278650c0aa599ba00f659a87996208133d6a64b0cc5cbb5fe990.exe 94 PID 1052 wrote to memory of 3784 1052 40dc1ae099f2278650c0aa599ba00f659a87996208133d6a64b0cc5cbb5fe990.exe 94 PID 1052 wrote to memory of 3784 1052 40dc1ae099f2278650c0aa599ba00f659a87996208133d6a64b0cc5cbb5fe990.exe 94 PID 1052 wrote to memory of 3784 1052 40dc1ae099f2278650c0aa599ba00f659a87996208133d6a64b0cc5cbb5fe990.exe 94
Processes
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C:\Users\Admin\AppData\Local\Temp\40dc1ae099f2278650c0aa599ba00f659a87996208133d6a64b0cc5cbb5fe990.exe"C:\Users\Admin\AppData\Local\Temp\40dc1ae099f2278650c0aa599ba00f659a87996208133d6a64b0cc5cbb5fe990.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1052 -
C:\Users\Admin\AppData\Local\Temp\40dc1ae099f2278650c0aa599ba00f659a87996208133d6a64b0cc5cbb5fe990.exe"C:\Users\Admin\AppData\Local\Temp\40dc1ae099f2278650c0aa599ba00f659a87996208133d6a64b0cc5cbb5fe990.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
PID:3784
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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=1412 --field-trial-handle=2256,i,16750283575152780128,2524258836761969159,262144 --variations-seed-version /prefetch:81⤵PID:3572
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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=3972 --field-trial-handle=2256,i,16750283575152780128,2524258836761969159,262144 --variations-seed-version /prefetch:81⤵PID:5620
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2.6MB
MD521112c87b4bb2b0bb8004c1f1653d36e
SHA131aed7e1843c4cc528931710ba578f909e71d764
SHA256556b87267249b63a0e4ab4e0afd7924e88f72e036c55c1e18c40c7889762449c
SHA512b95c5603d090c79c8e67bd8f6f5cedffd2d0c5b1d453489d99733997ff2722d83a138c925790ed4341d61756f859ff5523ef54674553b6602b730a7042eccb2f
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Filesize
11.6MB
MD5fc19d5ee6587baa0b8e1e73e82334f7b
SHA15b1a1a66dbf1f84e2165e31984bf536bc586d2c6
SHA25634b6ee7351a3a3bcb8c3f4f7e9d5cd14e93fa1cf87da6fecb3e8732bd8e6ac1c
SHA512dcdeb434369cdd773a81cb030f7bd05d2ec39d6899869f1b0656e5c7a348d2b039317538cee86f355141bbf3efea723ac9f2161f20c56873e3ab3855e314d272