5522b7cbad20af72d44fd55f347465bc63a09ff7373b62482f2a4b270e0c73cd

Analysis

max time kernel
73s
max time network
121s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
31-03-2023 19:08

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General

Target

Adobe Flash 31 Windows/flashplayer31_0r0_153_winax.exe
Size

19.8MB
MD5

c2756e040a46dfb1218191bc48dc2c5a
SHA1

02604fd09c7d75d48a49a62bbbe26eb154d93a4e
SHA256

37a49b8bc84780578bb9b8399940fe3eb86f25d7795fdd74542a736c5e3f81cc
SHA512

2a06caca117aac3862ad21c1cb941811c918e2b7fe0a3c3b0e5da522b99c93e8d6b32331bd4937c72250d7ba358c17fb98104d65c21154be1a924b141bcdcfa1
SSDEEP

393216:S8KGIOMr+U+PdcvDIQiSYK+U8X+bXZ2I1+ntmXOO5T4:KR+U8dcvEQiSJ+oZN+n+dm

Score

7^/10

evasion trojan

Malware Config

Signatures

Loads dropped DLL 3 IoCs

Processes:

flashplayer31_0r0_153_winax.exe

pid process

112 flashplayer31_0r0_153_winax.exe
112 flashplayer31_0r0_153_winax.exe
112 flashplayer31_0r0_153_winax.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

flashplayer31_0r0_153_winax.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	flashplayer31_0r0_153_winax.exe

Drops file in System32 directory 2 IoCs

Processes:

flashplayer31_0r0_153_winax.exe

description	ioc	process
File created	C:\Windows\SysWOW64\Macromed\Temp\{B383021C-7E39-4F23-AB3D-B0D4F5AB9392}\fpb.tmp	flashplayer31_0r0_153_winax.exe
File created	C:\Windows\SysWOW64\Macromed\Temp\{D67E4586-2554-4A27-B0BD-94C020EC8D55}\fpb.tmp	flashplayer31_0r0_153_winax.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

flashplayer31_0r0_153_winax.exe

pid	process
112	flashplayer31_0r0_153_winax.exe
112	flashplayer31_0r0_153_winax.exe
112	flashplayer31_0r0_153_winax.exe
112	flashplayer31_0r0_153_winax.exe
112	flashplayer31_0r0_153_winax.exe
112	flashplayer31_0r0_153_winax.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

flashplayer31_0r0_153_winax.exe

pid process

112 flashplayer31_0r0_153_winax.exe

C:\Users\Admin\AppData\Local\Temp\Adobe Flash 31 Windows\flashplayer31_0r0_153_winax.exe
"C:\Users\Admin\AppData\Local\Temp\Adobe Flash 31 Windows\flashplayer31_0r0_153_winax.exe"
1⤵
- Loads dropped DLL
- Checks whether UAC is enabled
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:112

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Windows\SysWOW64\Macromed\Temp\{B383021C-7E39-4F23-AB3D-B0D4F5AB9392}\fpb.tmp
Filesize
1.4MB

MD5
9240b70bedb18f625f814149742ec7b1

SHA1
4ecc6db510da02b951e0749bd4ed1c1c1c998baf

SHA256
12b6c16d5cd351f1e120acbe47f14067ad377ae9af91b82ddbb973b8cc7a03a0

SHA512
c211763a88942da392abcba45e05a18564a0d654b36f3674c7d1b2530de60551592984fe2f6d6bb6b073d303e33927ed46dacc58c4916f43857442e19c963b1a

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C:\Windows\SysWOW64\Macromed\Temp\{B383021C-7E39-4F23-AB3D-B0D4F5AB9392}\fpb.tmp
Filesize
1.4MB

MD5
9240b70bedb18f625f814149742ec7b1

SHA1
4ecc6db510da02b951e0749bd4ed1c1c1c998baf

SHA256
12b6c16d5cd351f1e120acbe47f14067ad377ae9af91b82ddbb973b8cc7a03a0

SHA512
c211763a88942da392abcba45e05a18564a0d654b36f3674c7d1b2530de60551592984fe2f6d6bb6b073d303e33927ed46dacc58c4916f43857442e19c963b1a

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C:\Windows\SysWOW64\Macromed\Temp\{D67E4586-2554-4A27-B0BD-94C020EC8D55}\fpb.tmp
Filesize
577KB

MD5
3bf01b9c32e70a68be61273be8f5a40f

SHA1
057bc537346150fb3bd1f450517e75eedc4e877d

SHA256
0f7c40c68fcfaa728410c82c094324ae96f0c31286a2d3da6807327ff720a27b

SHA512
24019a2624a1457a98781a4fc85cd6058f42be115376caa78f1102f180ea2b54d13c51cfaf424c6bf4c6f49b84d6ec3156270a63cb964fbaa95d7098834148f3

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