cd8fdfee914d46d345bedd2868f2aec93c48fd00385492e377793f06cd42dc1f

General

Target
da05437c8910c0f15bfe6484f7374a01.exe
Size 388KB
Sample220623-gr3rgsega6
SHA256 cd8fdfee914d46d345bedd2868f2aec93c48fd00385492e377793f06cd42dc1f
MD5 da05437c8910c0f15bfe6484f7374a01
SHA1 4fb57f23b1e8524ae2ba4fe639845bb223af92bd
SHA512 df3128779b07869740d19ebd5a2b907578c4921cd593604d98260ec464b0f5746109f233411122af6be792e05646424337cc7ad23289464f516fc330ccc5970c
MD5 SHA1 SHA512

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-1-5-21-1081944012-3634099177-1681222835-1000\Control Panel\International\Geo\Nation	da05437c8910c0f15bfe6484f7374a01.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 10 IoCs

pid	pid_target	Process	procid_target
4092	4876	WerFault.exe	80
3600	4876	WerFault.exe	80
2316	4876	WerFault.exe	80
4604	4876	WerFault.exe	80
3596	4876	WerFault.exe	80
800	4876	WerFault.exe	80
2752	4876	WerFault.exe	80
4700	4876	WerFault.exe	80
3888	4876	WerFault.exe	80
2568	4876	WerFault.exe	80

Kills process with taskkill 1 IoCs

evasion

pid	Process
4776	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4776	taskkill.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4876 wrote to memory of 1016	4876	da05437c8910c0f15bfe6484f7374a01.exe	104
PID 4876 wrote to memory of 1016	4876	da05437c8910c0f15bfe6484f7374a01.exe	104
PID 4876 wrote to memory of 1016	4876	da05437c8910c0f15bfe6484f7374a01.exe	104
PID 1016 wrote to memory of 4776	1016	cmd.exe	108
PID 1016 wrote to memory of 4776	1016	cmd.exe	108
PID 1016 wrote to memory of 4776	1016	cmd.exe	108

C:\Users\Admin\AppData\Local\Temp\da05437c8910c0f15bfe6484f7374a01.exe
"C:\Users\Admin\AppData\Local\Temp\da05437c8910c0f15bfe6484f7374a01.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4876
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4876 -s 456
  2⤵
  - Program crash
  PID:4092
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4876 -s 776
  2⤵
  - Program crash
  PID:3600
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4876 -s 808
  2⤵
  - Program crash
  PID:2316
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4876 -s 828
  2⤵
  - Program crash
  PID:4604
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4876 -s 864
  2⤵
  - Program crash
  PID:3596
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4876 -s 880
  2⤵
  - Program crash
  PID:800
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4876 -s 880
  2⤵
  - Program crash
  PID:2752
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4876 -s 1064
  2⤵
  - Program crash
  PID:4700
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4876 -s 1368
  2⤵
  - Program crash
  PID:3888
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /im "da05437c8910c0f15bfe6484f7374a01.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\da05437c8910c0f15bfe6484f7374a01.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1016
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /im "da05437c8910c0f15bfe6484f7374a01.exe" /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:4776
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4876 -s 528
  2⤵
  - Program crash
  PID:2568

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4876 -ip 4876
1⤵
PID:4368

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 4876 -ip 4876
1⤵
PID:4164

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 4876 -ip 4876
1⤵
PID:1632

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 4876 -ip 4876
1⤵
PID:4496

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 4876 -ip 4876
1⤵
PID:5084

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 4876 -ip 4876
1⤵
PID:1224

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 564 -p 4876 -ip 4876
1⤵
PID:2944

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 576 -p 4876 -ip 4876
1⤵
PID:4820

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 596 -p 4876 -ip 4876
1⤵
PID:1480

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 644 -p 4876 -ip 4876
1⤵
PID:3400

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/4876-130-0x0000000000BCD000-0x0000000000BF3000-memory.dmp

Download

memory/4876-131-0x0000000000CD0000-0x0000000000D0F000-memory.dmp

Download

memory/4876-132-0x0000000000400000-0x0000000000B54000-memory.dmp

Download

memory/4876-133-0x0000000000BCD000-0x0000000000BF3000-memory.dmp

Download

memory/4876-134-0x0000000000400000-0x0000000000B54000-memory.dmp

Download

memory/4876-137-0x0000000000BCD000-0x0000000000BF3000-memory.dmp

Download

memory/4876-138-0x0000000000400000-0x0000000000B54000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads