Analysis
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max time kernel
150s -
max time network
126s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
08/03/2024, 19:14
Static task
static1
Behavioral task
behavioral1
Sample
4d707656cb7c0b68586d4dc4c7dd1bf9d1009ab892521ae78638841ecaf3f27a.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
4d707656cb7c0b68586d4dc4c7dd1bf9d1009ab892521ae78638841ecaf3f27a.exe
Resource
win10v2004-20240226-en
General
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Target
4d707656cb7c0b68586d4dc4c7dd1bf9d1009ab892521ae78638841ecaf3f27a.exe
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Size
479KB
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MD5
ca1f7306feca88e7e9f2256a6a1a4f13
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SHA1
5f8061a6844eed81daa369c59384d3b77e53ef8b
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SHA256
4d707656cb7c0b68586d4dc4c7dd1bf9d1009ab892521ae78638841ecaf3f27a
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SHA512
140ce527a5398623dca8094153814524fc2fdfa075e1804e8a33204e6d17ca569c83cd029bd05904b8662b83d73d6bc69a6b385909171520fbc4cc0cb027970b
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SSDEEP
12288:iOlc87eqqV5e+wBV6O+OfTbdgb0SGH+TC7LYK:iOSqqHeVBxvTWG6UkK
Malware Config
Signatures
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Executes dropped EXE 3 IoCs
pid Process 2816 autopugc.exe 3064 ~A229.tmp 2500 bitseout.exe -
Loads dropped DLL 3 IoCs
pid Process 2748 4d707656cb7c0b68586d4dc4c7dd1bf9d1009ab892521ae78638841ecaf3f27a.exe 2748 4d707656cb7c0b68586d4dc4c7dd1bf9d1009ab892521ae78638841ecaf3f27a.exe 2816 autopugc.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\ktmuinst = "C:\\Users\\Admin\\AppData\\Roaming\\RMAcerpt\\autopugc.exe" 4d707656cb7c0b68586d4dc4c7dd1bf9d1009ab892521ae78638841ecaf3f27a.exe -
Drops file in System32 directory 1 IoCs
description ioc Process File created C:\Windows\SysWOW64\bitseout.exe 4d707656cb7c0b68586d4dc4c7dd1bf9d1009ab892521ae78638841ecaf3f27a.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2816 autopugc.exe 1208 Explorer.EXE 1208 Explorer.EXE 1208 Explorer.EXE 1208 Explorer.EXE 1208 Explorer.EXE 1208 Explorer.EXE 1208 Explorer.EXE 1208 Explorer.EXE 1208 Explorer.EXE 1208 Explorer.EXE 1208 Explorer.EXE 1208 Explorer.EXE 1208 Explorer.EXE 1208 Explorer.EXE 1208 Explorer.EXE 1208 Explorer.EXE 1208 Explorer.EXE 1208 Explorer.EXE 1208 Explorer.EXE 1208 Explorer.EXE 1208 Explorer.EXE 1208 Explorer.EXE 1208 Explorer.EXE 1208 Explorer.EXE 1208 Explorer.EXE 1208 Explorer.EXE 1208 Explorer.EXE 1208 Explorer.EXE 1208 Explorer.EXE 1208 Explorer.EXE 1208 Explorer.EXE 1208 Explorer.EXE 1208 Explorer.EXE 1208 Explorer.EXE 1208 Explorer.EXE 1208 Explorer.EXE 1208 Explorer.EXE 1208 Explorer.EXE 1208 Explorer.EXE 1208 Explorer.EXE 1208 Explorer.EXE 1208 Explorer.EXE 1208 Explorer.EXE 1208 Explorer.EXE 1208 Explorer.EXE 1208 Explorer.EXE 1208 Explorer.EXE 1208 Explorer.EXE 1208 Explorer.EXE 1208 Explorer.EXE 1208 Explorer.EXE 1208 Explorer.EXE 1208 Explorer.EXE 1208 Explorer.EXE 1208 Explorer.EXE 1208 Explorer.EXE 1208 Explorer.EXE 1208 Explorer.EXE 1208 Explorer.EXE 1208 Explorer.EXE 1208 Explorer.EXE 1208 Explorer.EXE 1208 Explorer.EXE -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2816 autopugc.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 2748 wrote to memory of 2816 2748 4d707656cb7c0b68586d4dc4c7dd1bf9d1009ab892521ae78638841ecaf3f27a.exe 28 PID 2748 wrote to memory of 2816 2748 4d707656cb7c0b68586d4dc4c7dd1bf9d1009ab892521ae78638841ecaf3f27a.exe 28 PID 2748 wrote to memory of 2816 2748 4d707656cb7c0b68586d4dc4c7dd1bf9d1009ab892521ae78638841ecaf3f27a.exe 28 PID 2748 wrote to memory of 2816 2748 4d707656cb7c0b68586d4dc4c7dd1bf9d1009ab892521ae78638841ecaf3f27a.exe 28 PID 2816 wrote to memory of 3064 2816 autopugc.exe 29 PID 2816 wrote to memory of 3064 2816 autopugc.exe 29 PID 2816 wrote to memory of 3064 2816 autopugc.exe 29 PID 2816 wrote to memory of 3064 2816 autopugc.exe 29 PID 3064 wrote to memory of 1208 3064 ~A229.tmp 21
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Suspicious behavior: EnumeratesProcesses
PID:1208 -
C:\Users\Admin\AppData\Local\Temp\4d707656cb7c0b68586d4dc4c7dd1bf9d1009ab892521ae78638841ecaf3f27a.exe"C:\Users\Admin\AppData\Local\Temp\4d707656cb7c0b68586d4dc4c7dd1bf9d1009ab892521ae78638841ecaf3f27a.exe"2⤵
- Loads dropped DLL
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:2748 -
C:\Users\Admin\AppData\Roaming\RMAcerpt\autopugc.exe"C:\Users\Admin\AppData\Roaming\RMAcerpt"3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2816 -
C:\Users\Admin\AppData\Local\Temp\~A229.tmp1208 490504 2816 14⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3064
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C:\Windows\SysWOW64\bitseout.exeC:\Windows\SysWOW64\bitseout.exe -s1⤵
- Executes dropped EXE
PID:2500
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
8KB
MD586dc243576cf5c7445451af37631eea9
SHA199a81c47c4c02f32c0ab456bfa23c306c7a09bf9
SHA25625d2a671e1b5b5b95697ac0234ce4d46e0d0894919521b54aabebd9daecf994a
SHA512c7310524f9b65f811146c1eb6ae944966351ac88a95fbc1ac422d8810730e5e212a7e28090ad758ea23c96ba38073e7fcf42460575e7f09dbc759a45c5d5a4a4
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Filesize
479KB
MD5c93bda9f2992a96c8b9b4a22eb5d4a73
SHA1860bb05ee4eea7089fd4ce582f0569fc6c5d818b
SHA256dc16ece6a63b24e9138b75a2f1ebf0d2924fd3d69204a1da832474656ee0b903
SHA512bdacbd765e7024bd6934c064adc2f4edc7065d666d5fa95390b66e5e02cf75b82665ac57e0ca8e39dd71780f9ce0e6c17773cbd26ac48b807a9d9b51ef9e3c3e