Analysis
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max time kernel
133s -
max time network
130s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
17-03-2023 14:44
Static task
static1
Behavioral task
behavioral1
Sample
2852c0eb15c4d3a76ccd8dd1a4a57913.exe
Resource
win7-20230220-en
General
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Target
2852c0eb15c4d3a76ccd8dd1a4a57913.exe
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Size
295KB
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MD5
2852c0eb15c4d3a76ccd8dd1a4a57913
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SHA1
a4716be68d566242a2db02ab81a0ab5d36ce4c78
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SHA256
8384eb97c0fd7d916cdb454b2212794a8eafa37fe6c7165644d02e8d9bfe5237
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SHA512
117005f1dc84b18645597dae20a4957189006b9aff57b36cd9ad2cfb3581552e15bb2bda4554fcd8de2912ff335d1ab2049417fbe15733edc70a022eec7393ac
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SSDEEP
3072:IfwRwuLVYWcNymdtYUPW3kiW3GEYJf3ahRnb+k6n6miI3KkdMX:bwuLVZcNdUHoYZqhRqYJkdMX
Malware Config
Extracted
laplas
http://45.87.154.105
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api_key
1c630872d348a77d04368d542fde4663bc2bcb96f1b909554db3472c08df2767
Signatures
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Downloads MZ/PE file
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Deletes itself 1 IoCs
pid Process 1764 cmd.exe -
Executes dropped EXE 2 IoCs
pid Process 1096 IEGCBAAFHD.exe 1516 ntlhost.exe -
Loads dropped DLL 6 IoCs
pid Process 2036 2852c0eb15c4d3a76ccd8dd1a4a57913.exe 2036 2852c0eb15c4d3a76ccd8dd1a4a57913.exe 1804 cmd.exe 1804 cmd.exe 1096 IEGCBAAFHD.exe 1096 IEGCBAAFHD.exe -
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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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3948302646-268491222-1934009652-1000\Software\Microsoft\Windows\CurrentVersion\Run\NTSystem = "C:\\Users\\Admin\\AppData\\Roaming\\NTSystem\\ntlhost.exe" IEGCBAAFHD.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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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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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 2852c0eb15c4d3a76ccd8dd1a4a57913.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 2852c0eb15c4d3a76ccd8dd1a4a57913.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 1616 timeout.exe -
GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
description flow ioc HTTP User-Agent header 5 Go-http-client/1.1 -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 2036 2852c0eb15c4d3a76ccd8dd1a4a57913.exe -
Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 2036 wrote to memory of 1804 2036 2852c0eb15c4d3a76ccd8dd1a4a57913.exe 30 PID 2036 wrote to memory of 1804 2036 2852c0eb15c4d3a76ccd8dd1a4a57913.exe 30 PID 2036 wrote to memory of 1804 2036 2852c0eb15c4d3a76ccd8dd1a4a57913.exe 30 PID 2036 wrote to memory of 1804 2036 2852c0eb15c4d3a76ccd8dd1a4a57913.exe 30 PID 2036 wrote to memory of 1764 2036 2852c0eb15c4d3a76ccd8dd1a4a57913.exe 32 PID 2036 wrote to memory of 1764 2036 2852c0eb15c4d3a76ccd8dd1a4a57913.exe 32 PID 2036 wrote to memory of 1764 2036 2852c0eb15c4d3a76ccd8dd1a4a57913.exe 32 PID 2036 wrote to memory of 1764 2036 2852c0eb15c4d3a76ccd8dd1a4a57913.exe 32 PID 1764 wrote to memory of 1616 1764 cmd.exe 34 PID 1764 wrote to memory of 1616 1764 cmd.exe 34 PID 1764 wrote to memory of 1616 1764 cmd.exe 34 PID 1764 wrote to memory of 1616 1764 cmd.exe 34 PID 1804 wrote to memory of 1096 1804 cmd.exe 35 PID 1804 wrote to memory of 1096 1804 cmd.exe 35 PID 1804 wrote to memory of 1096 1804 cmd.exe 35 PID 1804 wrote to memory of 1096 1804 cmd.exe 35 PID 1096 wrote to memory of 1516 1096 IEGCBAAFHD.exe 36 PID 1096 wrote to memory of 1516 1096 IEGCBAAFHD.exe 36 PID 1096 wrote to memory of 1516 1096 IEGCBAAFHD.exe 36 PID 1096 wrote to memory of 1516 1096 IEGCBAAFHD.exe 36
Processes
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C:\Users\Admin\AppData\Local\Temp\2852c0eb15c4d3a76ccd8dd1a4a57913.exe"C:\Users\Admin\AppData\Local\Temp\2852c0eb15c4d3a76ccd8dd1a4a57913.exe"1⤵
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2036 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\IEGCBAAFHD.exe"2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1804 -
C:\Users\Admin\AppData\Local\Temp\IEGCBAAFHD.exe"C:\Users\Admin\AppData\Local\Temp\IEGCBAAFHD.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1096 -
C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exeC:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe4⤵
- Executes dropped EXE
PID:1516
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c timeout /t 5 & del /f /q "C:\Users\Admin\AppData\Local\Temp\2852c0eb15c4d3a76ccd8dd1a4a57913.exe" & del "C:\ProgramData\*.dll"" & exit2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:1764 -
C:\Windows\SysWOW64\timeout.exetimeout /t 53⤵
- Delays execution with timeout.exe
PID:1616
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
1.8MB
MD5d433fee70e60de32de4608f07bed7d2a
SHA18b84224c8319705317340392ad99bc529183a7db
SHA2560a93f3cfdedbd88dce010e4a2e54dc8c2a2135e58f037b55a513ed8b1dc49cb7
SHA512ec62acdea29ce1c56f09729c8e0832ffbd95755746305a35b0c361c92a03c88c8efb1c14eff35a9bdde26f965cd743408cacc08a5b2eb317a067fc876b9844d8
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Filesize
1.8MB
MD5d433fee70e60de32de4608f07bed7d2a
SHA18b84224c8319705317340392ad99bc529183a7db
SHA2560a93f3cfdedbd88dce010e4a2e54dc8c2a2135e58f037b55a513ed8b1dc49cb7
SHA512ec62acdea29ce1c56f09729c8e0832ffbd95755746305a35b0c361c92a03c88c8efb1c14eff35a9bdde26f965cd743408cacc08a5b2eb317a067fc876b9844d8
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Filesize
447.4MB
MD54769659c3be12b852815f293a191ed22
SHA16c9186d08ea2ec162a0766fc349b8d3625711194
SHA2566d178130e476dc5eb35ea0922f07ab722d5d5e923473a84a50b02f19ca2a8897
SHA512cb857000368bc0dbe60773428c3cef1e63029786c6f070bcf54e3d6baaa221a9368d89cb358eac8b7bfa7ca92fb71ae37572db1051189f814da964ff20f86663
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Filesize
454.6MB
MD5c8fa267ea4f3bf310571f51f95f50fd1
SHA184d4a3660307e6032589e81c2e2a73112b10e510
SHA256b892810065d7403cc23d34565fc2c578a5ddf5c671ae4c51af61ebca2d69ae71
SHA512aef3a495d000a06a409d7af5770706f4dab190135e4a9085590b0d6b73b391b1d7d6b91d2c4d52eb979b735aea9f33458d4cc9bd54883c55d86d85059fd18ab6
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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
1.8MB
MD5d433fee70e60de32de4608f07bed7d2a
SHA18b84224c8319705317340392ad99bc529183a7db
SHA2560a93f3cfdedbd88dce010e4a2e54dc8c2a2135e58f037b55a513ed8b1dc49cb7
SHA512ec62acdea29ce1c56f09729c8e0832ffbd95755746305a35b0c361c92a03c88c8efb1c14eff35a9bdde26f965cd743408cacc08a5b2eb317a067fc876b9844d8
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Filesize
1.8MB
MD5d433fee70e60de32de4608f07bed7d2a
SHA18b84224c8319705317340392ad99bc529183a7db
SHA2560a93f3cfdedbd88dce010e4a2e54dc8c2a2135e58f037b55a513ed8b1dc49cb7
SHA512ec62acdea29ce1c56f09729c8e0832ffbd95755746305a35b0c361c92a03c88c8efb1c14eff35a9bdde26f965cd743408cacc08a5b2eb317a067fc876b9844d8
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Filesize
500.3MB
MD554294204c231c735a8924e464b08a2f6
SHA1dd1af7ea73f6e28b041b4d691480b164f8b0172c
SHA256c9fb19445da90a5e5964be46d7d4f6f55f3722cf47d203202c0d6dbdea65481b
SHA5125930e03cc98f10855888bc69d982f055b43da5e15cc233aca57b35ccb688aa33f69d18764b13e32e8130101cad07eaed91723f4586933b18a7dc95eeafa340a6
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Filesize
446.9MB
MD5ced8ef09fa66cf1709030721acae60ee
SHA1ee9c72437c29df98f13974640267c53aba9475ef
SHA256f9145b70e05276c4855b9756e7f606723ee27d6fd4f1f9986c1340b2c60ddd90
SHA512b49b083f3cb857a110898c231105c9611998797e634721e4fcc71f777f2f060a94757e5159f5dad133460d9c66925d8285152875921f010f66a18152ec0d8b89