74ffe5624b47e427d461a0b9e4a01d29b2d0090c346775d02e8d431897c97294

Analysis

max time kernel
150s
max time network
31s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
12/05/2023, 01:32

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General

Target

a8c0a42253b268618bf63ac631fe304c51014e38b8fdb2e2012cdb2b4a9861b1.exe
Size

445KB
MD5

5e792b28f60d355d210294f26847089f
SHA1

50b7c5b76cf662d52896a79860a585cc18e8cc87
SHA256

a8c0a42253b268618bf63ac631fe304c51014e38b8fdb2e2012cdb2b4a9861b1
SHA512

d79993f883670ec5b1a12de306ebf3c41ab3f2bfd087a29a48f756f803dfdce8c51eb1e9d5329ec7b9151361023432792994caed8a7937d602f1c689ac55c402
SSDEEP

6144:I1XQakQK7FxbIBMPrIx2s627tbPdQDYn3DYj1A+I3Xn9zIPEjj1PmauqtHpp:uXQaYbBo2mBPdQDYzYj1fkndIPWT

Score

7^/10

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Control Panel\International\Geo\Nation	RegAsm.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1692 set thread context of 1164	1692	a8c0a42253b268618bf63ac631fe304c51014e38b8fdb2e2012cdb2b4a9861b1.exe	28

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
1164	RegAsm.exe
1164	RegAsm.exe
1164	RegAsm.exe
1164	RegAsm.exe
1164	RegAsm.exe
1164	RegAsm.exe
1164	RegAsm.exe
1164	RegAsm.exe
1164	RegAsm.exe
1164	RegAsm.exe
1164	RegAsm.exe
1164	RegAsm.exe
1164	RegAsm.exe
1164	RegAsm.exe
1164	RegAsm.exe
1164	RegAsm.exe
1164	RegAsm.exe
1164	RegAsm.exe
1164	RegAsm.exe
1164	RegAsm.exe
1164	RegAsm.exe
1164	RegAsm.exe
1164	RegAsm.exe
1164	RegAsm.exe
1164	RegAsm.exe
1164	RegAsm.exe
1164	RegAsm.exe
1164	RegAsm.exe
1164	RegAsm.exe
1164	RegAsm.exe
1164	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1164	RegAsm.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1692 wrote to memory of 1164	1692	a8c0a42253b268618bf63ac631fe304c51014e38b8fdb2e2012cdb2b4a9861b1.exe	28
PID 1692 wrote to memory of 1164	1692	a8c0a42253b268618bf63ac631fe304c51014e38b8fdb2e2012cdb2b4a9861b1.exe	28
PID 1692 wrote to memory of 1164	1692	a8c0a42253b268618bf63ac631fe304c51014e38b8fdb2e2012cdb2b4a9861b1.exe	28
PID 1692 wrote to memory of 1164	1692	a8c0a42253b268618bf63ac631fe304c51014e38b8fdb2e2012cdb2b4a9861b1.exe	28
PID 1692 wrote to memory of 1164	1692	a8c0a42253b268618bf63ac631fe304c51014e38b8fdb2e2012cdb2b4a9861b1.exe	28
PID 1692 wrote to memory of 1164	1692	a8c0a42253b268618bf63ac631fe304c51014e38b8fdb2e2012cdb2b4a9861b1.exe	28
PID 1692 wrote to memory of 1164	1692	a8c0a42253b268618bf63ac631fe304c51014e38b8fdb2e2012cdb2b4a9861b1.exe	28
PID 1692 wrote to memory of 1164	1692	a8c0a42253b268618bf63ac631fe304c51014e38b8fdb2e2012cdb2b4a9861b1.exe	28
PID 1692 wrote to memory of 1164	1692	a8c0a42253b268618bf63ac631fe304c51014e38b8fdb2e2012cdb2b4a9861b1.exe	28
PID 1692 wrote to memory of 1164	1692	a8c0a42253b268618bf63ac631fe304c51014e38b8fdb2e2012cdb2b4a9861b1.exe	28

C:\Users\Admin\AppData\Local\Temp\a8c0a42253b268618bf63ac631fe304c51014e38b8fdb2e2012cdb2b4a9861b1.exe
"C:\Users\Admin\AppData\Local\Temp\a8c0a42253b268618bf63ac631fe304c51014e38b8fdb2e2012cdb2b4a9861b1.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1692
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  - Checks computer location settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1164

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

memory/1164-57-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1164-58-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1164-59-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1164-60-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1164-62-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1164-63-0x0000000002180000-0x0000000002483000-memory.dmp

Filesize
3.0MB

Download
memory/1692-54-0x0000000000910000-0x0000000000986000-memory.dmp

Filesize
472KB

Download
memory/1692-55-0x0000000000350000-0x000000000039C000-memory.dmp

Filesize
304KB

Download
memory/1692-56-0x0000000000430000-0x000000000043A000-memory.dmp

Filesize
40KB

Download
memory/1692-61-0x0000000004180000-0x00000000041C0000-memory.dmp

Filesize
256KB

Download