Analysis
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max time kernel
41s -
max time network
34s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
29-11-2022 07:45
Static task
static1
Behavioral task
behavioral1
Sample
a9596f49c22a20feefbc493aa904a1b8ff69ae5e103dfbcc76777d59d52b4277.dll
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
a9596f49c22a20feefbc493aa904a1b8ff69ae5e103dfbcc76777d59d52b4277.dll
Resource
win10v2004-20220812-en
General
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Target
a9596f49c22a20feefbc493aa904a1b8ff69ae5e103dfbcc76777d59d52b4277.dll
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Size
392KB
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MD5
09b7588eeb9f9ffced2f205b1547c477
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SHA1
44633ba9849b1f2f03bd08f0844bf11f0cd4a9d9
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SHA256
a9596f49c22a20feefbc493aa904a1b8ff69ae5e103dfbcc76777d59d52b4277
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SHA512
499d2501388ac14982dceac375804fc305170fd73482353b8e5810ca6e9670a28a3b25fb5365d2ff337fd74308195053bf7963e61ebff65878f6236cdaf6601b
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SSDEEP
6144:JCIGPj038tAgFMldWNX+IxeQ37G28Ua1jflNiSGjVaNqzMDVZPdrNkUN:Cj038t/FMldW4IxeQ37JaplcsVRdm2
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 1524 rundll32mgr.exe -
resource yara_rule behavioral1/files/0x000a0000000126af-56.dat upx behavioral1/files/0x000a0000000126af-59.dat upx behavioral1/files/0x000a0000000126af-57.dat upx behavioral1/memory/1524-63-0x0000000000400000-0x00000000004B7000-memory.dmp upx -
Loads dropped DLL 4 IoCs
pid Process 2036 rundll32.exe 2036 rundll32.exe 1524 rundll32mgr.exe 1524 rundll32mgr.exe -
Drops file in System32 directory 1 IoCs
description ioc Process File created C:\Windows\SysWOW64\rundll32mgr.exe rundll32.exe -
Program crash 2 IoCs
pid pid_target Process procid_target 268 2036 WerFault.exe 28 1160 1524 WerFault.exe 29 -
Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 1740 wrote to memory of 2036 1740 rundll32.exe 28 PID 1740 wrote to memory of 2036 1740 rundll32.exe 28 PID 1740 wrote to memory of 2036 1740 rundll32.exe 28 PID 1740 wrote to memory of 2036 1740 rundll32.exe 28 PID 1740 wrote to memory of 2036 1740 rundll32.exe 28 PID 1740 wrote to memory of 2036 1740 rundll32.exe 28 PID 1740 wrote to memory of 2036 1740 rundll32.exe 28 PID 2036 wrote to memory of 1524 2036 rundll32.exe 29 PID 2036 wrote to memory of 1524 2036 rundll32.exe 29 PID 2036 wrote to memory of 1524 2036 rundll32.exe 29 PID 2036 wrote to memory of 1524 2036 rundll32.exe 29 PID 2036 wrote to memory of 268 2036 rundll32.exe 30 PID 2036 wrote to memory of 268 2036 rundll32.exe 30 PID 2036 wrote to memory of 268 2036 rundll32.exe 30 PID 2036 wrote to memory of 268 2036 rundll32.exe 30
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\a9596f49c22a20feefbc493aa904a1b8ff69ae5e103dfbcc76777d59d52b4277.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1740 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\a9596f49c22a20feefbc493aa904a1b8ff69ae5e103dfbcc76777d59d52b4277.dll,#12⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:2036 -
C:\Windows\SysWOW64\rundll32mgr.exeC:\Windows\SysWOW64\rundll32mgr.exe3⤵
- Executes dropped EXE
- Loads dropped DLL
PID:1524 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1524 -s 1044⤵
- Program crash
PID:1160
-
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2036 -s 2283⤵
- Program crash
PID:268
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-
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
226KB
MD50443f220bbe647a9f012ef8be7826915
SHA1a4d35c05941e01bfda5e6aebf8696bbe1cbe57eb
SHA256943d8c1c80dda309f3b9b2af6d0cc311b00acabc0b9016c37359e5c20aa4ab90
SHA512a09035c929aace492303ba04bc00add212569d1d6dc37f41b814ebb295cb749e0cb7543ceea79c8a39f31e8e14a6bbd9519fac34d42070ed031b911adfebebd9
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Filesize
1.2MB
MD5d124f55b9393c976963407dff51ffa79
SHA12c7bbedd79791bfb866898c85b504186db610b5d
SHA256ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef
SHA512278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06
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Filesize
1.1MB
MD59b98d47916ead4f69ef51b56b0c2323c
SHA1290a80b4ded0efc0fd00816f373fcea81a521330
SHA25696e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b
SHA51268b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94
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Filesize
226KB
MD50443f220bbe647a9f012ef8be7826915
SHA1a4d35c05941e01bfda5e6aebf8696bbe1cbe57eb
SHA256943d8c1c80dda309f3b9b2af6d0cc311b00acabc0b9016c37359e5c20aa4ab90
SHA512a09035c929aace492303ba04bc00add212569d1d6dc37f41b814ebb295cb749e0cb7543ceea79c8a39f31e8e14a6bbd9519fac34d42070ed031b911adfebebd9
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Filesize
226KB
MD50443f220bbe647a9f012ef8be7826915
SHA1a4d35c05941e01bfda5e6aebf8696bbe1cbe57eb
SHA256943d8c1c80dda309f3b9b2af6d0cc311b00acabc0b9016c37359e5c20aa4ab90
SHA512a09035c929aace492303ba04bc00add212569d1d6dc37f41b814ebb295cb749e0cb7543ceea79c8a39f31e8e14a6bbd9519fac34d42070ed031b911adfebebd9