162d39f277d19f7692d6b420640502debe9327573bdc1d8402d127d94bd98e69

Analysis

max time kernel
148s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
27/01/2024, 11:37

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General

Target

7a238546ba438a42789cf5d6bd08a03f.exe
Size

284KB
MD5

7a238546ba438a42789cf5d6bd08a03f
SHA1

1bb68ee98e317203f4df9b2195533350f58cd0be
SHA256

162d39f277d19f7692d6b420640502debe9327573bdc1d8402d127d94bd98e69
SHA512

be80c3fce348b918dfae6788725869204d4b1d4511b1dded700fa0abd09e88997daa1e968569a7edb42cb648841da6bc9149c6d6ffae9e62b0cf5f4050684977
SSDEEP

3072:ztM6vm1mgc3EPAJjCE/o2LA4qcw5bGIT5eNXy:5E1mgc3EPAJ2L0qZbGINely

Score

7^/10

upx

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-1-5-21-3073191680-435865314-2862784915-1000\Control Panel\International\Geo\Nation	7a238546ba438a42789cf5d6bd08a03f.exe

Executes dropped EXE 7 IoCs

pid	Process
4072	winlogon.exe
384	winlogon.exe
1428	winlogon.exe
1856	winlogon.exe
2076	winlogon.exe
4428	winlogon.exe
3464	winlogon.exe

UPX packed file 9 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/2068-0-0x0000000000400000-0x0000000000419000-memory.dmp	upx
behavioral2/memory/2068-3-0x0000000000400000-0x0000000000419000-memory.dmp	upx
behavioral2/memory/2068-4-0x0000000000400000-0x0000000000419000-memory.dmp	upx
behavioral2/memory/2068-15-0x0000000000400000-0x0000000000419000-memory.dmp	upx
behavioral2/memory/384-28-0x0000000000400000-0x0000000000419000-memory.dmp	upx
behavioral2/memory/384-34-0x0000000000400000-0x0000000000419000-memory.dmp	upx
behavioral2/memory/384-40-0x0000000000400000-0x0000000000419000-memory.dmp	upx
behavioral2/memory/384-46-0x0000000000400000-0x0000000000419000-memory.dmp	upx
behavioral2/memory/384-52-0x0000000000400000-0x0000000000419000-memory.dmp	upx

Suspicious use of SetThreadContext 7 IoCs

description	pid	Process	procid_target
PID 4032 set thread context of 2068	4032	7a238546ba438a42789cf5d6bd08a03f.exe	89
PID 4072 set thread context of 384	4072	winlogon.exe	94
PID 384 set thread context of 1428	384	winlogon.exe	95
PID 384 set thread context of 1856	384	winlogon.exe	107
PID 384 set thread context of 2076	384	winlogon.exe	110
PID 384 set thread context of 4428	384	winlogon.exe	113
PID 384 set thread context of 3464	384	winlogon.exe	116

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

System Information Discovery
T1082

Program crash 5 IoCs

pid	pid_target	Process	procid_target
724	1428	WerFault.exe	95
4436	1856	WerFault.exe	107
4172	2076	WerFault.exe	110
4716	4428	WerFault.exe	113
4028	3464	WerFault.exe	116

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2068	7a238546ba438a42789cf5d6bd08a03f.exe
384	winlogon.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4032 wrote to memory of 4932	4032	7a238546ba438a42789cf5d6bd08a03f.exe	87
PID 4032 wrote to memory of 4932	4032	7a238546ba438a42789cf5d6bd08a03f.exe	87
PID 4032 wrote to memory of 4932	4032	7a238546ba438a42789cf5d6bd08a03f.exe	87
PID 4032 wrote to memory of 2068	4032	7a238546ba438a42789cf5d6bd08a03f.exe	89
PID 4032 wrote to memory of 2068	4032	7a238546ba438a42789cf5d6bd08a03f.exe	89
PID 4032 wrote to memory of 2068	4032	7a238546ba438a42789cf5d6bd08a03f.exe	89
PID 4032 wrote to memory of 2068	4032	7a238546ba438a42789cf5d6bd08a03f.exe	89
PID 4032 wrote to memory of 2068	4032	7a238546ba438a42789cf5d6bd08a03f.exe	89
PID 4032 wrote to memory of 2068	4032	7a238546ba438a42789cf5d6bd08a03f.exe	89
PID 4032 wrote to memory of 2068	4032	7a238546ba438a42789cf5d6bd08a03f.exe	89
PID 4032 wrote to memory of 2068	4032	7a238546ba438a42789cf5d6bd08a03f.exe	89
PID 2068 wrote to memory of 4072	2068	7a238546ba438a42789cf5d6bd08a03f.exe	92
PID 2068 wrote to memory of 4072	2068	7a238546ba438a42789cf5d6bd08a03f.exe	92
PID 2068 wrote to memory of 4072	2068	7a238546ba438a42789cf5d6bd08a03f.exe	92
PID 4072 wrote to memory of 1808	4072	winlogon.exe	93
PID 4072 wrote to memory of 1808	4072	winlogon.exe	93
PID 4072 wrote to memory of 1808	4072	winlogon.exe	93
PID 4072 wrote to memory of 384	4072	winlogon.exe	94
PID 4072 wrote to memory of 384	4072	winlogon.exe	94
PID 4072 wrote to memory of 384	4072	winlogon.exe	94
PID 4072 wrote to memory of 384	4072	winlogon.exe	94
PID 4072 wrote to memory of 384	4072	winlogon.exe	94
PID 4072 wrote to memory of 384	4072	winlogon.exe	94
PID 4072 wrote to memory of 384	4072	winlogon.exe	94
PID 4072 wrote to memory of 384	4072	winlogon.exe	94
PID 384 wrote to memory of 1428	384	winlogon.exe	95
PID 384 wrote to memory of 1428	384	winlogon.exe	95
PID 384 wrote to memory of 1428	384	winlogon.exe	95
PID 384 wrote to memory of 1428	384	winlogon.exe	95
PID 384 wrote to memory of 1428	384	winlogon.exe	95
PID 384 wrote to memory of 1428	384	winlogon.exe	95
PID 384 wrote to memory of 1428	384	winlogon.exe	95
PID 384 wrote to memory of 1428	384	winlogon.exe	95
PID 384 wrote to memory of 1856	384	winlogon.exe	107
PID 384 wrote to memory of 1856	384	winlogon.exe	107
PID 384 wrote to memory of 1856	384	winlogon.exe	107
PID 384 wrote to memory of 1856	384	winlogon.exe	107
PID 384 wrote to memory of 1856	384	winlogon.exe	107
PID 384 wrote to memory of 1856	384	winlogon.exe	107
PID 384 wrote to memory of 1856	384	winlogon.exe	107
PID 384 wrote to memory of 1856	384	winlogon.exe	107
PID 384 wrote to memory of 2076	384	winlogon.exe	110
PID 384 wrote to memory of 2076	384	winlogon.exe	110
PID 384 wrote to memory of 2076	384	winlogon.exe	110
PID 384 wrote to memory of 2076	384	winlogon.exe	110
PID 384 wrote to memory of 2076	384	winlogon.exe	110
PID 384 wrote to memory of 2076	384	winlogon.exe	110
PID 384 wrote to memory of 2076	384	winlogon.exe	110
PID 384 wrote to memory of 2076	384	winlogon.exe	110
PID 384 wrote to memory of 4428	384	winlogon.exe	113
PID 384 wrote to memory of 4428	384	winlogon.exe	113
PID 384 wrote to memory of 4428	384	winlogon.exe	113
PID 384 wrote to memory of 4428	384	winlogon.exe	113
PID 384 wrote to memory of 4428	384	winlogon.exe	113
PID 384 wrote to memory of 4428	384	winlogon.exe	113
PID 384 wrote to memory of 4428	384	winlogon.exe	113
PID 384 wrote to memory of 4428	384	winlogon.exe	113
PID 384 wrote to memory of 3464	384	winlogon.exe	116
PID 384 wrote to memory of 3464	384	winlogon.exe	116
PID 384 wrote to memory of 3464	384	winlogon.exe	116
PID 384 wrote to memory of 3464	384	winlogon.exe	116
PID 384 wrote to memory of 3464	384	winlogon.exe	116
PID 384 wrote to memory of 3464	384	winlogon.exe	116
PID 384 wrote to memory of 3464	384	winlogon.exe	116

C:\Users\Admin\AppData\Local\Temp\7a238546ba438a42789cf5d6bd08a03f.exe
"C:\Users\Admin\AppData\Local\Temp\7a238546ba438a42789cf5d6bd08a03f.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4032
- C:\Windows\SysWOW64\svchost.exe
  C:\Windows\system32\\svchost.exe
  2⤵
  PID:4932
- C:\Users\Admin\AppData\Local\Temp\7a238546ba438a42789cf5d6bd08a03f.exe
  2⤵
  - Checks computer location settings
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2068
- - C:\Users\Admin\E696D64614\winlogon.exe
    "C:\Users\Admin\E696D64614\winlogon.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:4072
  - - C:\Windows\SysWOW64\svchost.exe
      C:\Windows\system32\\svchost.exe
      4⤵
      PID:1808
  - - C:\Users\Admin\E696D64614\winlogon.exe
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:384
    - - C:\Users\Admin\E696D64614\winlogon.exe
        
        "C:\Users\Admin\E696D64614\winlogon.exe"
        5⤵
        Executes dropped EXE
        
        PID:1428
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 1428 -s 12
        6⤵
        Program crash
        
        PID:724
    - - C:\Users\Admin\E696D64614\winlogon.exe
        
        "C:\Users\Admin\E696D64614\winlogon.exe"
        5⤵
        Executes dropped EXE
        
        PID:1856
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 1856 -s 12
        6⤵
        Program crash
        
        PID:4436
    - - C:\Users\Admin\E696D64614\winlogon.exe
        
        "C:\Users\Admin\E696D64614\winlogon.exe"
        5⤵
        Executes dropped EXE
        
        PID:2076
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2076 -s 12
        6⤵
        Program crash
        
        PID:4172
    - - C:\Users\Admin\E696D64614\winlogon.exe
        
        "C:\Users\Admin\E696D64614\winlogon.exe"
        5⤵
        Executes dropped EXE
        
        PID:4428
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4428 -s 12
        6⤵
        Program crash
        
        PID:4716
    - - C:\Users\Admin\E696D64614\winlogon.exe
        
        "C:\Users\Admin\E696D64614\winlogon.exe"
        5⤵
        Executes dropped EXE
        
        PID:3464
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 3464 -s 12
        6⤵
        Program crash
        
        PID:4028

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1428 -ip 1428
1⤵
PID:3084

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 1856 -ip 1856
1⤵
PID:3240

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 2076 -ip 2076
1⤵
PID:4292

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 4428 -ip 4428
1⤵
PID:2404

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 3464 -ip 3464
1⤵
PID:560

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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\E696D64614\winlogon.exe

Filesize
284KB

MD5
7a238546ba438a42789cf5d6bd08a03f

SHA1
1bb68ee98e317203f4df9b2195533350f58cd0be

SHA256
162d39f277d19f7692d6b420640502debe9327573bdc1d8402d127d94bd98e69

SHA512
be80c3fce348b918dfae6788725869204d4b1d4511b1dded700fa0abd09e88997daa1e968569a7edb42cb648841da6bc9149c6d6ffae9e62b0cf5f4050684977

Download Submit
memory/384-52-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/384-46-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/384-40-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/384-34-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/384-28-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/2068-4-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/2068-15-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/2068-0-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/2068-3-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/4032-2-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/4072-20-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download