a584a7054b272f94152af1315fac014d5c23cbc9a57f4087fee548e20d3ae31d | Triage

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
22-05-2024 02:04

Sharing

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General

Target

a584a7054b272f94152af1315fac014d5c23cbc9a57f4087fee548e20d3ae31d.exe
Size

1.3MB
MD5

6836de048b7b10e90d5a648a624ac8ab
SHA1

b7864d902602cf2899d959a1bf65be93407738c1
SHA256

a584a7054b272f94152af1315fac014d5c23cbc9a57f4087fee548e20d3ae31d
SHA512

67bd802d6178f31efbf909268d1eb88bea0193dd290c43d93e532335f50ebe4069860b8402b0eff4d9b4b51ad7ce4ee9c3149e201ed3b551e932edfca64d491e
SSDEEP

24576:O9Q0lIVTRJfsGJXcaxz5G75P0hy/U77VaaG8uosbrDqa1VHWTcSdmWDxbLn/ohP:oQ0lsRZJcaBY7R0YM77YoOrDX1l2xbLQ

Score

7^/10

Malware Config

Signatures

Loads dropped DLL 1 IoCs

Processes:

a584a7054b272f94152af1315fac014d5c23cbc9a57f4087fee548e20d3ae31d.exe

pid process

896 a584a7054b272f94152af1315fac014d5c23cbc9a57f4087fee548e20d3ae31d.exe
Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service
T1102

Processes:

flow ioc

32 drive.google.com
33 drive.google.com
Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

Processes:

a584a7054b272f94152af1315fac014d5c23cbc9a57f4087fee548e20d3ae31d.exe

pid process

4000 a584a7054b272f94152af1315fac014d5c23cbc9a57f4087fee548e20d3ae31d.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

a584a7054b272f94152af1315fac014d5c23cbc9a57f4087fee548e20d3ae31d.exea584a7054b272f94152af1315fac014d5c23cbc9a57f4087fee548e20d3ae31d.exe

pid	process
896	a584a7054b272f94152af1315fac014d5c23cbc9a57f4087fee548e20d3ae31d.exe
4000	a584a7054b272f94152af1315fac014d5c23cbc9a57f4087fee548e20d3ae31d.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

a584a7054b272f94152af1315fac014d5c23cbc9a57f4087fee548e20d3ae31d.exe

description	pid	process	target process
PID 896 set thread context of 4000	896	a584a7054b272f94152af1315fac014d5c23cbc9a57f4087fee548e20d3ae31d.exe	a584a7054b272f94152af1315fac014d5c23cbc9a57f4087fee548e20d3ae31d.exe

Drops file in Program Files directory 1 IoCs

Processes:

a584a7054b272f94152af1315fac014d5c23cbc9a57f4087fee548e20d3ae31d.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\konvoluterer\Forsikringsinspektrer.ini	a584a7054b272f94152af1315fac014d5c23cbc9a57f4087fee548e20d3ae31d.exe

Drops file in Windows directory 1 IoCs

Processes:

a584a7054b272f94152af1315fac014d5c23cbc9a57f4087fee548e20d3ae31d.exe

description	ioc	process
File opened for modification	C:\Windows\mycelian\sempitern.ini	a584a7054b272f94152af1315fac014d5c23cbc9a57f4087fee548e20d3ae31d.exe

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

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2884 4000 WerFault.exe a584a7054b272f94152af1315fac014d5c23cbc9a57f4087fee548e20d3ae31d.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

a584a7054b272f94152af1315fac014d5c23cbc9a57f4087fee548e20d3ae31d.exe

pid	process
4000	a584a7054b272f94152af1315fac014d5c23cbc9a57f4087fee548e20d3ae31d.exe
4000	a584a7054b272f94152af1315fac014d5c23cbc9a57f4087fee548e20d3ae31d.exe

Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

a584a7054b272f94152af1315fac014d5c23cbc9a57f4087fee548e20d3ae31d.exe

pid process

896 a584a7054b272f94152af1315fac014d5c23cbc9a57f4087fee548e20d3ae31d.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

a584a7054b272f94152af1315fac014d5c23cbc9a57f4087fee548e20d3ae31d.exe

description	pid	process	target process
PID 896 wrote to memory of 4000	896	a584a7054b272f94152af1315fac014d5c23cbc9a57f4087fee548e20d3ae31d.exe	a584a7054b272f94152af1315fac014d5c23cbc9a57f4087fee548e20d3ae31d.exe
PID 896 wrote to memory of 4000	896	a584a7054b272f94152af1315fac014d5c23cbc9a57f4087fee548e20d3ae31d.exe	a584a7054b272f94152af1315fac014d5c23cbc9a57f4087fee548e20d3ae31d.exe
PID 896 wrote to memory of 4000	896	a584a7054b272f94152af1315fac014d5c23cbc9a57f4087fee548e20d3ae31d.exe	a584a7054b272f94152af1315fac014d5c23cbc9a57f4087fee548e20d3ae31d.exe
PID 896 wrote to memory of 4000	896	a584a7054b272f94152af1315fac014d5c23cbc9a57f4087fee548e20d3ae31d.exe	a584a7054b272f94152af1315fac014d5c23cbc9a57f4087fee548e20d3ae31d.exe
PID 896 wrote to memory of 4000	896	a584a7054b272f94152af1315fac014d5c23cbc9a57f4087fee548e20d3ae31d.exe	a584a7054b272f94152af1315fac014d5c23cbc9a57f4087fee548e20d3ae31d.exe

C:\Users\Admin\AppData\Local\Temp\a584a7054b272f94152af1315fac014d5c23cbc9a57f4087fee548e20d3ae31d.exe
"C:\Users\Admin\AppData\Local\Temp\a584a7054b272f94152af1315fac014d5c23cbc9a57f4087fee548e20d3ae31d.exe"
1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:896

C:\Users\Admin\AppData\Local\Temp\a584a7054b272f94152af1315fac014d5c23cbc9a57f4087fee548e20d3ae31d.exe
"C:\Users\Admin\AppData\Local\Temp\a584a7054b272f94152af1315fac014d5c23cbc9a57f4087fee548e20d3ae31d.exe"
2⤵
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
PID:4000

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4000 -s 204
3⤵
- Program crash
PID:2884

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4000 -ip 4000
1⤵
PID:2028

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

Lateral Movement

Collection

Command and Control

Web Service

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\nsm4C6C.tmp\System.dll

Filesize
11KB

MD5
b8992e497d57001ddf100f9c397fcef5

SHA1
e26ddf101a2ec5027975d2909306457c6f61cfbd

SHA256
98bcd1dd88642f4dd36a300c76ebb1ddfbbbc5bfc7e3b6d7435dc6d6e030c13b

SHA512
8823b1904dccfaf031068102cb1def7958a057f49ff369f0e061f1b4db2090021aa620bb8442a2a6ac9355bb74ee54371dc2599c20dc723755a46ede81533a3c

Download Submit
memory/896-32-0x00000000773F1000-0x0000000077511000-memory.dmp

Filesize
1.1MB

Download
memory/896-33-0x0000000010004000-0x0000000010005000-memory.dmp

Filesize
4KB

Download
memory/4000-34-0x0000000000400000-0x0000000001654000-memory.dmp

Filesize
18.3MB

Download
memory/4000-35-0x0000000077478000-0x0000000077479000-memory.dmp

Filesize
4KB

Download
memory/4000-36-0x0000000077495000-0x0000000077496000-memory.dmp

Filesize
4KB

Download
memory/4000-49-0x0000000000400000-0x0000000001654000-memory.dmp

Filesize
18.3MB

Download
memory/4000-50-0x0000000000401000-0x0000000000404000-memory.dmp

Filesize
12KB

Download
memory/4000-51-0x0000000000400000-0x0000000001654000-memory.dmp

Filesize
18.3MB

Download
memory/4000-52-0x0000000000400000-0x0000000001654000-memory.dmp

Filesize
18.3MB

Download
memory/4000-54-0x0000000000401000-0x0000000000404000-memory.dmp

Filesize
12KB

Download
memory/4000-53-0x0000000000400000-0x0000000001654000-memory.dmp

Filesize
18.3MB

Download
memory/4000-55-0x00000000773F1000-0x0000000077511000-memory.dmp

Filesize
1.1MB

Download