1c0a20b9f16454d81b193721bb78ade2c70ccd503e76d9cdad7db7568064585c

Analysis

max time kernel
150s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
29-01-2023 21:30

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General

Target

1c0a20b9f16454d81b193721bb78ade2c70ccd503e76d9cdad7db7568064585c.exe
Size

51KB
MD5

6707ad66e20d361e5b99addbd276a5de
SHA1

98973242d2b7c2cff5471f512154abfb90b3f242
SHA256

1c0a20b9f16454d81b193721bb78ade2c70ccd503e76d9cdad7db7568064585c
SHA512

a3c68349ff9969b83b00fa9e571dccd42af79092fd4f1d6a8120df11a787ac0ce140f78290de73443ed68a4cde41576b72b62faaac1a31f527f2f24cf819fae3
SSDEEP

768:ivAVecSXuXkkZwLnuivpcWKV4M3AT154QawGhmJmtTqPBWypMSFgLALQKTU:iv5cgawn3XKV1E54Qa0iUBbFgqbw

Score

5^/10

Malware Config

Signatures

Suspicious use of SetThreadContext 1 IoCs

Processes:

1c0a20b9f16454d81b193721bb78ade2c70ccd503e76d9cdad7db7568064585c.exe

description	pid	Process	procid_target
PID 2272 set thread context of 2004	2272	1c0a20b9f16454d81b193721bb78ade2c70ccd503e76d9cdad7db7568064585c.exe	82

Drops file in Windows directory 1 IoCs

Processes:

dw20.exe

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

Processes:

dw20.exe

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

Processes:

dw20.exe

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

Processes:

dw20.exe

description	pid	Process
Token: SeRestorePrivilege	4980	dw20.exe
Token: SeBackupPrivilege	4980	dw20.exe
Token: SeBackupPrivilege	4980	dw20.exe
Token: SeBackupPrivilege	4980	dw20.exe
Token: SeBackupPrivilege	4980	dw20.exe

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

1c0a20b9f16454d81b193721bb78ade2c70ccd503e76d9cdad7db7568064585c.exe1c0a20b9f16454d81b193721bb78ade2c70ccd503e76d9cdad7db7568064585c.exe

description	pid	Process	procid_target
PID 2272 wrote to memory of 2004	2272	1c0a20b9f16454d81b193721bb78ade2c70ccd503e76d9cdad7db7568064585c.exe	82
PID 2272 wrote to memory of 2004	2272	1c0a20b9f16454d81b193721bb78ade2c70ccd503e76d9cdad7db7568064585c.exe	82
PID 2272 wrote to memory of 2004	2272	1c0a20b9f16454d81b193721bb78ade2c70ccd503e76d9cdad7db7568064585c.exe	82
PID 2272 wrote to memory of 2004	2272	1c0a20b9f16454d81b193721bb78ade2c70ccd503e76d9cdad7db7568064585c.exe	82
PID 2272 wrote to memory of 2004	2272	1c0a20b9f16454d81b193721bb78ade2c70ccd503e76d9cdad7db7568064585c.exe	82
PID 2272 wrote to memory of 2004	2272	1c0a20b9f16454d81b193721bb78ade2c70ccd503e76d9cdad7db7568064585c.exe	82
PID 2272 wrote to memory of 2004	2272	1c0a20b9f16454d81b193721bb78ade2c70ccd503e76d9cdad7db7568064585c.exe	82
PID 2004 wrote to memory of 4980	2004	1c0a20b9f16454d81b193721bb78ade2c70ccd503e76d9cdad7db7568064585c.exe	83
PID 2004 wrote to memory of 4980	2004	1c0a20b9f16454d81b193721bb78ade2c70ccd503e76d9cdad7db7568064585c.exe	83
PID 2004 wrote to memory of 4980	2004	1c0a20b9f16454d81b193721bb78ade2c70ccd503e76d9cdad7db7568064585c.exe	83

C:\Users\Admin\AppData\Local\Temp\1c0a20b9f16454d81b193721bb78ade2c70ccd503e76d9cdad7db7568064585c.exe
"C:\Users\Admin\AppData\Local\Temp\1c0a20b9f16454d81b193721bb78ade2c70ccd503e76d9cdad7db7568064585c.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2272
- C:\Users\Admin\AppData\Local\Temp\1c0a20b9f16454d81b193721bb78ade2c70ccd503e76d9cdad7db7568064585c.exe
  "C:\Users\Admin\AppData\Local\Temp\1c0a20b9f16454d81b193721bb78ade2c70ccd503e76d9cdad7db7568064585c.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2004
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
    dw20.exe -x -s 776
    3⤵
    - Drops file in Windows directory
    - Checks processor information in registry
    - Enumerates system info in registry
    - Suspicious use of AdjustPrivilegeToken
    PID:4980

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\1c0a20b9f16454d81b193721bb78ade2c70ccd503e76d9cdad7db7568064585c.exe.log

Filesize
128B

MD5
a5dcc7c9c08af7dddd82be5b036a4416

SHA1
4f998ca1526d199e355ffb435bae111a2779b994

SHA256
e24033ceec97fd03402b03acaaabd1d1e378e83bb1683afbccac760e00f8ead5

SHA512
56035de734836c0c39f0b48641c51c26adb6e79c6c65e23ca96603f71c95b8673e2ef853146e87efc899dd1878d0bbc2c82d91fbf0fce81c552048e986f9bb5a

Download Submit
memory/2004-132-0x0000000000000000-mapping.dmp

Download
memory/2004-137-0x00000000753F0000-0x00000000759A1000-memory.dmp

Filesize
5.7MB

Download
memory/2004-138-0x00000000753F0000-0x00000000759A1000-memory.dmp

Filesize
5.7MB

Download
memory/2272-136-0x00000000753F0000-0x00000000759A1000-memory.dmp

Filesize
5.7MB

Download
memory/2272-139-0x00000000753F0000-0x00000000759A1000-memory.dmp

Filesize
5.7MB

Download
memory/4980-135-0x0000000000000000-mapping.dmp

Download