3a1fb857968ba65d496b97bb4a47c2e3d775a4b820bfe5f9aa24257fe8abbac2

Analysis

max time kernel
7s
max time network
9s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
06/01/2024, 10:50

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General

Target
636fb917c49769200381edf82768548c.exe
Size 441KB
Sample240106-mxrt3aefcq
SHA256 3a1fb857968ba65d496b97bb4a47c2e3d775a4b820bfe5f9aa24257fe8abbac2
MD5 636fb917c49769200381edf82768548c
SHA1 3aaf21d6fc5e94dc42bf816a8ca29467a184436c
SHA512 78bea4ed0b521d2ef190fb1fd2541c1e80d349086eadb95d78f6e802dd17fafcf59a47632e622cb64b1d2322d0d184be7f6c89b7c975c4ef9a88324a47789d16
SSDEEP 12288:gv80oCk/3vdYHO151WLMWirScN8oln8SsKH:hX3vdYDirWolx
MD5 SHA1 SHA512 SSDEEP

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-1-5-21-1497073144-2389943819-3385106915-1000\Control Panel\International\Geo\Nation	636fb917c49769200381edf82768548c.exe

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

System Information Discovery
T1082

Program crash 7 IoCs

pid	pid_target	Process	procid_target
1244	4616	WerFault.exe	15
468	4616	WerFault.exe	15
4976	4616	WerFault.exe	15
2692	4616	WerFault.exe	15
2772	4616	WerFault.exe	15
1296	4616	WerFault.exe	15
4804	4616	WerFault.exe	15

Kills process with taskkill 1 IoCs

evasion

pid	Process
4700	taskkill.exe

C:\Users\Admin\AppData\Local\Temp\636fb917c49769200381edf82768548c.exe
"C:\Users\Admin\AppData\Local\Temp\636fb917c49769200381edf82768548c.exe"
1⤵
- Checks computer location settings
PID:4616
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4616 -s 688
  2⤵
  - Program crash
  PID:1244
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4616 -s 784
  2⤵
  - Program crash
  PID:468
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4616 -s 940
  2⤵
  - Program crash
  PID:4976
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4616 -s 956
  2⤵
  - Program crash
  PID:2692
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4616 -s 916
  2⤵
  - Program crash
  PID:2772
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4616 -s 952
  2⤵
  - Program crash
  PID:1296
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4616 -s 940
  2⤵
  - Program crash
  PID:4804
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "636fb917c49769200381edf82768548c.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\636fb917c49769200381edf82768548c.exe" & exit
  2⤵
  PID:3424

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4616 -ip 4616
1⤵
PID:3200

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 4616 -ip 4616
1⤵
PID:2892

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 4616 -ip 4616
1⤵
PID:1264

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 564 -p 4616 -ip 4616
1⤵
PID:5012

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 568 -p 4616 -ip 4616
1⤵
PID:3248

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 4616 -ip 4616
1⤵
PID:2960

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 620 -p 4616 -ip 4616
1⤵
PID:4608

C:\Windows\SysWOW64\taskkill.exe
taskkill /im "636fb917c49769200381edf82768548c.exe" /f
1⤵
- Kills process with taskkill
PID:4700

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

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Downloads

memory/4616-2-0x0000000002220000-0x000000000226F000-memory.dmp

Download

memory/4616-3-0x0000000000400000-0x0000000000489000-memory.dmp

Download

memory/4616-1-0x00000000006F0000-0x00000000007F0000-memory.dmp

Download

memory/4616-5-0x0000000002220000-0x000000000226F000-memory.dmp

Download

memory/4616-4-0x0000000000400000-0x0000000000489000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads