c10206561af98fa52ccc9d7c1e5ddc3d580713f2d80aab6acbe205c20020a381

General

Target

c10206561af98fa52ccc9d7c1e5ddc3d580713f2d80aab6acbe205c20020a381.exe
Size

729KB
MD5

4d651b2a8a6b64e94a95899f6b96cfdb
SHA1

d4a2f6134cd705c5b1e39e7ad9834d333272b921
SHA256

c10206561af98fa52ccc9d7c1e5ddc3d580713f2d80aab6acbe205c20020a381
SHA512

c10137446cdce9d0d3b99a91fd404789659aeffd2f8524ddcb30776d8674d7e380b873be7b086236c6648c391fd75211afee1a6ba96fd1fb48e6c07ccede27bc
SSDEEP

12288:4h1Fk70Tnvjc343H98AI+djRA/9gdcumaN04mInO2+Dnr0qgGWGa8e/91uTc:Ok70Trc343H9rI+djYGeumaN1mInO2Uy

Score

9^/10

Malware Config

Signatures

Detects executables packed with unregistered version of .NET Reactor 2 IoCs

resource	yara_rule
behavioral2/memory/3188-1-0x0000000004CA0000-0x0000000004D3C000-memory.dmp	INDICATOR_EXE_Packed_DotNetReactor
behavioral2/memory/3188-5-0x0000000005330000-0x00000000053CA000-memory.dmp	INDICATOR_EXE_Packed_DotNetReactor

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-1-5-21-635608581-3370340891-292606865-1000\Control Panel\International\Geo\Nation	RegAsm.exe

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\qemu-ga.exe	RegAsm.exe

Executes dropped EXE 1 IoCs

pid	Process
3976	qemu-ga.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials In Files
T1552.001
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3188 set thread context of 4604	3188	c10206561af98fa52ccc9d7c1e5ddc3d580713f2d80aab6acbe205c20020a381.exe	85

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
4604	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4604	RegAsm.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3188 wrote to memory of 4604	3188	c10206561af98fa52ccc9d7c1e5ddc3d580713f2d80aab6acbe205c20020a381.exe	85
PID 3188 wrote to memory of 4604	3188	c10206561af98fa52ccc9d7c1e5ddc3d580713f2d80aab6acbe205c20020a381.exe	85
PID 3188 wrote to memory of 4604	3188	c10206561af98fa52ccc9d7c1e5ddc3d580713f2d80aab6acbe205c20020a381.exe	85
PID 3188 wrote to memory of 4604	3188	c10206561af98fa52ccc9d7c1e5ddc3d580713f2d80aab6acbe205c20020a381.exe	85
PID 3188 wrote to memory of 4604	3188	c10206561af98fa52ccc9d7c1e5ddc3d580713f2d80aab6acbe205c20020a381.exe	85
PID 3188 wrote to memory of 4604	3188	c10206561af98fa52ccc9d7c1e5ddc3d580713f2d80aab6acbe205c20020a381.exe	85
PID 3188 wrote to memory of 4604	3188	c10206561af98fa52ccc9d7c1e5ddc3d580713f2d80aab6acbe205c20020a381.exe	85
PID 3188 wrote to memory of 4604	3188	c10206561af98fa52ccc9d7c1e5ddc3d580713f2d80aab6acbe205c20020a381.exe	85
PID 4604 wrote to memory of 3976	4604	RegAsm.exe	91
PID 4604 wrote to memory of 3976	4604	RegAsm.exe	91

C:\Users\Admin\AppData\Local\Temp\c10206561af98fa52ccc9d7c1e5ddc3d580713f2d80aab6acbe205c20020a381.exe
"C:\Users\Admin\AppData\Local\Temp\c10206561af98fa52ccc9d7c1e5ddc3d580713f2d80aab6acbe205c20020a381.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3188
- 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
  - Drops startup file
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4604
- - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\qemu-ga.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\qemu-ga.exe"
    3⤵
    - Executes dropped EXE
    PID:3976

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

2

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\qemu-ga.exe

Filesize
4KB

MD5
a5ce3aba68bdb438e98b1d0c70a3d95c

SHA1
013f5aa9057bf0b3c0c24824de9d075434501354

SHA256
9b860be98a046ea97a7f67b006e0b1bc9ab7731dd2a0f3a9fd3d710f6c43278a

SHA512
7446f1256873b51a59b9d2d3498cef5a41dbce55864c2a5fb8cb7d25f7d6e6d8ea249d551a45b75d99b1ad0d6fb4b5e4544e5ca77bcd627717d6598b5f566a79

Download Submit
memory/3188-6-0x0000000004C90000-0x0000000004CA0000-memory.dmp

Filesize
64KB

Download
memory/3188-1-0x0000000004CA0000-0x0000000004D3C000-memory.dmp

Filesize
624KB

Download
memory/3188-3-0x0000000004C90000-0x0000000004CA0000-memory.dmp

Filesize
64KB

Download
memory/3188-4-0x0000000004D80000-0x0000000005324000-memory.dmp

Filesize
5.6MB

Download
memory/3188-5-0x0000000005330000-0x00000000053CA000-memory.dmp

Filesize
616KB

Download
memory/3188-0-0x00000000748F0000-0x00000000750A0000-memory.dmp

Filesize
7.7MB

Download
memory/3188-12-0x00000000748F0000-0x00000000750A0000-memory.dmp

Filesize
7.7MB

Download
memory/3188-13-0x0000000002780000-0x0000000004780000-memory.dmp

Filesize
32.0MB

Download
memory/3188-43-0x0000000002780000-0x0000000004780000-memory.dmp

Filesize
32.0MB

Download
memory/3188-2-0x0000000004C90000-0x0000000004CA0000-memory.dmp

Filesize
64KB

Download
memory/3976-44-0x00007FFF8E6C0000-0x00007FFF8F181000-memory.dmp

Filesize
10.8MB

Download
memory/3976-42-0x00007FFF8E6C0000-0x00007FFF8F181000-memory.dmp

Filesize
10.8MB

Download
memory/3976-40-0x0000000000920000-0x0000000000928000-memory.dmp

Filesize
32KB

Download
memory/4604-18-0x0000000004EB0000-0x0000000004FBA000-memory.dmp

Filesize
1.0MB

Download
memory/4604-25-0x0000000006F10000-0x0000000006F60000-memory.dmp

Filesize
320KB

Download
memory/4604-20-0x0000000004E10000-0x0000000004E5C000-memory.dmp

Filesize
304KB

Download
memory/4604-21-0x0000000005200000-0x0000000005266000-memory.dmp

Filesize
408KB

Download
memory/4604-22-0x0000000005D10000-0x0000000005DA2000-memory.dmp

Filesize
584KB

Download
memory/4604-23-0x0000000005DB0000-0x0000000005E26000-memory.dmp

Filesize
472KB

Download
memory/4604-24-0x0000000005FB0000-0x0000000005FCE000-memory.dmp

Filesize
120KB

Download
memory/4604-19-0x0000000004DD0000-0x0000000004E0C000-memory.dmp

Filesize
240KB

Download
memory/4604-26-0x00000000075A0000-0x0000000007762000-memory.dmp

Filesize
1.8MB

Download
memory/4604-27-0x0000000007CA0000-0x00000000081CC000-memory.dmp

Filesize
5.2MB

Download
memory/4604-17-0x0000000004D70000-0x0000000004D82000-memory.dmp

Filesize
72KB

Download
memory/4604-16-0x00000000054D0000-0x0000000005AE8000-memory.dmp

Filesize
6.1MB

Download
memory/4604-41-0x00000000748F0000-0x00000000750A0000-memory.dmp

Filesize
7.7MB

Download
memory/4604-15-0x00000000748F0000-0x00000000750A0000-memory.dmp

Filesize
7.7MB

Download
memory/4604-14-0x0000000004EA0000-0x0000000004EB0000-memory.dmp

Filesize
64KB

Download
memory/4604-9-0x0000000000400000-0x0000000000494000-memory.dmp

Filesize
592KB

Download

Analysis

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