b49722b1fdc2c3fa1449c6fb3651d89f590e975cdf1895845a39cb17566b1ea3

Analysis

max time kernel
175s
max time network
186s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
04/12/2022, 13:00

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General

Target

b49722b1fdc2c3fa1449c6fb3651d89f590e975cdf1895845a39cb17566b1ea3.exe
Size

446KB
MD5

52d59550f7c6c6570eea4e7e5d346073
SHA1

de26b3973e1c1e45acf53445136bc8a46f125efc
SHA256

b49722b1fdc2c3fa1449c6fb3651d89f590e975cdf1895845a39cb17566b1ea3
SHA512

8f6141503da0b75d1936b08f04c6be6e614f31faffa302b691887dbc83f991d90694a815d95f3b149771ad6fceff41c5c662feab553840347ade4695387d6b13
SSDEEP

6144:5ZunObR8sVImcyYC5Jsz3jzB8kOQIq+3mxkyJIrC+J/pbKvCB23xqy7uXhY7pOKo:WK+mza/6Y+4hupHQYyqXh6ZyDl9

Score

8^/10

upx

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
3912	loadwg.exe
5088	qqzyhxwg.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x0009000000022e14-133.dat	upx
behavioral2/files/0x0009000000022e14-134.dat	upx
behavioral2/memory/3912-135-0x0000000000400000-0x00000000004AC000-memory.dmp	upx
behavioral2/memory/3912-139-0x0000000000400000-0x00000000004AC000-memory.dmp	upx

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-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	b49722b1fdc2c3fa1449c6fb3651d89f590e975cdf1895845a39cb17566b1ea3.exe

AutoIT Executable 2 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/3912-135-0x0000000000400000-0x00000000004AC000-memory.dmp	autoit_exe
behavioral2/memory/3912-139-0x0000000000400000-0x00000000004AC000-memory.dmp	autoit_exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
5092	5088	WerFault.exe	82

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3912	loadwg.exe
3912	loadwg.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3912	loadwg.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2956 wrote to memory of 3912	2956	b49722b1fdc2c3fa1449c6fb3651d89f590e975cdf1895845a39cb17566b1ea3.exe	80
PID 2956 wrote to memory of 3912	2956	b49722b1fdc2c3fa1449c6fb3651d89f590e975cdf1895845a39cb17566b1ea3.exe	80
PID 2956 wrote to memory of 3912	2956	b49722b1fdc2c3fa1449c6fb3651d89f590e975cdf1895845a39cb17566b1ea3.exe	80
PID 3912 wrote to memory of 5088	3912	loadwg.exe	82
PID 3912 wrote to memory of 5088	3912	loadwg.exe	82
PID 3912 wrote to memory of 5088	3912	loadwg.exe	82

C:\Users\Admin\AppData\Local\Temp\b49722b1fdc2c3fa1449c6fb3651d89f590e975cdf1895845a39cb17566b1ea3.exe
"C:\Users\Admin\AppData\Local\Temp\b49722b1fdc2c3fa1449c6fb3651d89f590e975cdf1895845a39cb17566b1ea3.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2956
- C:\Users\Admin\AppData\Local\Temp\RarSFX0\loadwg.exe
  "C:\Users\Admin\AppData\Local\Temp\RarSFX0\loadwg.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of WriteProcessMemory
  PID:3912
- - C:\Users\Admin\AppData\Local\Temp\RarSFX0\qqzyhxwg.exe
    qqzyhxwg.exe
    3⤵
    - Executes dropped EXE
    PID:5088
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5088 -s 224
      4⤵
      Program crash
      PID:5092

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5088 -ip 5088
1⤵
PID:4860

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\Temp\RarSFX0\loadwg.exe

Filesize
334KB

MD5
bae3eb4767317ba6eb0805347f32c66c

SHA1
644ae6e107658e478f15dfce652fcb0e4e493af6

SHA256
a982cdae025294cc536d2d429205151e6934dd54b2850af220bed6f58f4c1dfb

SHA512
01ce521798e583be251839f53397b104b35aec8800e282496196824163138efc866f553805c330bdf5653b16c215eafb07a0ea08a0fb122a28f0d4d72298160e

Download Submit
C:\Users\Admin\AppData\Local\Temp\RarSFX0\loadwg.exe

Filesize
334KB

MD5
bae3eb4767317ba6eb0805347f32c66c

SHA1
644ae6e107658e478f15dfce652fcb0e4e493af6

SHA256
a982cdae025294cc536d2d429205151e6934dd54b2850af220bed6f58f4c1dfb

SHA512
01ce521798e583be251839f53397b104b35aec8800e282496196824163138efc866f553805c330bdf5653b16c215eafb07a0ea08a0fb122a28f0d4d72298160e

Download Submit
C:\Users\Admin\AppData\Local\Temp\RarSFX0\qqzyhxwg.exe

Filesize
19KB

MD5
f07e706286878fc4350bb024e60e3533

SHA1
ec907629583e1235fc989b2ba84bdf8c90da3e03

SHA256
f89a93eb72e15acc85d3bc2cc9cf12e943c0ac397f97b606c332ae4b47ca2127

SHA512
948b04fd4f37ff539dd7f6c2ed5f8ea1004dbdceb4d900884c23f03f756985202675dfd4d3a5754614ec0e71bdf2aedc3f24e62f97c4629866fee458f2e3d110

Download Submit
C:\Users\Admin\AppData\Local\Temp\RarSFX0\qqzyhxwg.exe

Filesize
19KB

MD5
f07e706286878fc4350bb024e60e3533

SHA1
ec907629583e1235fc989b2ba84bdf8c90da3e03

SHA256
f89a93eb72e15acc85d3bc2cc9cf12e943c0ac397f97b606c332ae4b47ca2127

SHA512
948b04fd4f37ff539dd7f6c2ed5f8ea1004dbdceb4d900884c23f03f756985202675dfd4d3a5754614ec0e71bdf2aedc3f24e62f97c4629866fee458f2e3d110

Download Submit
memory/3912-135-0x0000000000400000-0x00000000004AC000-memory.dmp

Filesize
688KB

Download
memory/3912-139-0x0000000000400000-0x00000000004AC000-memory.dmp

Filesize
688KB

Download