782666bf34a0b2ca3b9d33c99838afc34b8534ca86404972a3c25cbc7b7b237a

Analysis

max time kernel
145s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
07/11/2022, 12:16

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General

Target
782666bf34a0b2ca3b9d33c99838afc34b8534ca86404972a3c25cbc7b7b237a.exe
Size 1.8MB
Sample221107-pfm6nafbf9
SHA256 782666bf34a0b2ca3b9d33c99838afc34b8534ca86404972a3c25cbc7b7b237a
MD5 0cb5981f90ee8c4b17c7cc00f0889ada
SHA1 3c2361f4d6c50a64277acc0332ba60028546f194
SHA512 064d3f7069e733f7be51863dd6ffc9493ad2d0a47c8eeae9ff4c006ea1cc7e6614ec6c3a37bf77940afeb58d25689f798431c55fb4dc6e1d4f4565f680b07d03
SSDEEP 49152:E7nEdcNSYfl/BCvR3AKHYlEeDnbO7mKjsPfgpTv:+EQSYflZERR9MbO7Wf
MD5 SHA1 SHA512 SSDEEP

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4980	885.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\AppCompat\Programs\Amcache.hve.tmp	dw20.exe

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	dw20.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	dw20.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeRestorePrivilege	4832	dw20.exe
Token: SeBackupPrivilege	4832	dw20.exe
Token: SeBackupPrivilege	4832	dw20.exe
Token: SeBackupPrivilege	4832	dw20.exe
Token: SeBackupPrivilege	4832	dw20.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2400 wrote to memory of 4980	2400	782666bf34a0b2ca3b9d33c99838afc34b8534ca86404972a3c25cbc7b7b237a.exe	83
PID 2400 wrote to memory of 4980	2400	782666bf34a0b2ca3b9d33c99838afc34b8534ca86404972a3c25cbc7b7b237a.exe	83
PID 2400 wrote to memory of 4980	2400	782666bf34a0b2ca3b9d33c99838afc34b8534ca86404972a3c25cbc7b7b237a.exe	83
PID 4980 wrote to memory of 4832	4980	885.exe	84
PID 4980 wrote to memory of 4832	4980	885.exe	84
PID 4980 wrote to memory of 4832	4980	885.exe	84

C:\Users\Admin\AppData\Local\Temp\782666bf34a0b2ca3b9d33c99838afc34b8534ca86404972a3c25cbc7b7b237a.exe
"C:\Users\Admin\AppData\Local\Temp\782666bf34a0b2ca3b9d33c99838afc34b8534ca86404972a3c25cbc7b7b237a.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2400
- C:\Users\Admin\AppData\Local\Temp\885.exe
  C:\Users\Admin\AppData\Local\Temp\885.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:4980
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
    dw20.exe -x -s 840
    3⤵
    - Drops file in Windows directory
    - Checks processor information in registry
    - Enumerates system info in registry
    - Suspicious use of AdjustPrivilegeToken
    PID:4832

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

885.exe

Path C:\Users\Admin\AppData\Local\Temp\885.exe
Size 658KB
SHA256 2a2629de3bed36d416fa73dd3a840c2eadcbdeb4dda7f327601edc03f32d2f33
MD5 c2bdb386c1b5713b71c2e000efffe4a1
SHA1 1859c8c031d010a7439b627b613ff0b4ca74571e
SHA512 9d25032ece5586efdd45d7e4acab0df3148524f4749b298ef275755bfe88bf7868159accdce635e2b8ad6fa803fb0682ac24248eb6ed076daca25dc24999e691
SSDEEP 12288:+TKZJGNI4EBeODNf+vytt4/xZqcJikivnwzJiKyInAV2lda0SrAW:nJsI4weaYvDSeikifwz05V2daLrAW
MD5 SHA1 SHA512 SSDEEP

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885.exe

Path C:\Users\Admin\AppData\Local\Temp\885.exe
Size 658KB
SHA256 2a2629de3bed36d416fa73dd3a840c2eadcbdeb4dda7f327601edc03f32d2f33
MD5 c2bdb386c1b5713b71c2e000efffe4a1
SHA1 1859c8c031d010a7439b627b613ff0b4ca74571e
SHA512 9d25032ece5586efdd45d7e4acab0df3148524f4749b298ef275755bfe88bf7868159accdce635e2b8ad6fa803fb0682ac24248eb6ed076daca25dc24999e691
SSDEEP 12288:+TKZJGNI4EBeODNf+vytt4/xZqcJikivnwzJiKyInAV2lda0SrAW:nJsI4weaYvDSeikifwz05V2daLrAW
MD5 SHA1 SHA512 SSDEEP

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memory/2400-132-0x0000000000670000-0x000000000083A000-memory.dmp

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memory/2400-136-0x00007FFFCEC30000-0x00007FFFCF6F1000-memory.dmp

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memory/2400-140-0x00007FFFCEC30000-0x00007FFFCF6F1000-memory.dmp

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memory/4980-138-0x0000000074A30000-0x0000000074FE1000-memory.dmp

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memory/4980-139-0x0000000074A30000-0x0000000074FE1000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads