a584a7054b272f94152af1315fac014d5c23cbc9a57f4087fee548e20d3ae31d

General

Target

Eparch.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

pid	Process
3176	Eparch.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
57	drive.google.com
59	drive.google.com

Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

pid	Process
3008	Eparch.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
3176	Eparch.exe
3008	Eparch.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 3176 set thread context of 3008	3176	Eparch.exe	101
PID 3008 set thread context of 3296	3008	Eparch.exe	56

Drops file in Program Files directory 1 IoCs

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

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\mycelian\sempitern.ini	Eparch.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
3008	Eparch.exe
3008	Eparch.exe
3008	Eparch.exe
3008	Eparch.exe
3008	Eparch.exe
3008	Eparch.exe
3008	Eparch.exe
3008	Eparch.exe
3008	Eparch.exe
3008	Eparch.exe
3008	Eparch.exe
3008	Eparch.exe
3008	Eparch.exe
3008	Eparch.exe
3008	Eparch.exe
3008	Eparch.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
3176	Eparch.exe
3008	Eparch.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3176 wrote to memory of 3008	3176	Eparch.exe	101
PID 3176 wrote to memory of 3008	3176	Eparch.exe	101
PID 3176 wrote to memory of 3008	3176	Eparch.exe	101
PID 3176 wrote to memory of 3008	3176	Eparch.exe	101
PID 3176 wrote to memory of 3008	3176	Eparch.exe	101
PID 3296 wrote to memory of 4276	3296	Explorer.EXE	102
PID 3296 wrote to memory of 4276	3296	Explorer.EXE	102
PID 3296 wrote to memory of 4276	3296	Explorer.EXE	102

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:3296
- C:\Users\Admin\AppData\Local\Temp\Eparch.exe
  "C:\Users\Admin\AppData\Local\Temp\Eparch.exe"
  2⤵
  - 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:3176
- - C:\Users\Admin\AppData\Local\Temp\Eparch.exe
    "C:\Users\Admin\AppData\Local\Temp\Eparch.exe"
    3⤵
    - Suspicious use of NtCreateThreadExHideFromDebugger
    - Suspicious use of NtSetInformationThreadHideFromDebugger
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    PID:3008
- C:\Windows\SysWOW64\wevtutil.exe
  "C:\Windows\SysWOW64\wevtutil.exe"
  2⤵
  PID:4276

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3748 --field-trial-handle=3192,i,2785050981002401924,4037047756083432660,262144 --variations-seed-version /prefetch:8
1⤵
PID:3740

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\nsy4DEE.tmp\System.dll

Filesize
11KB

MD5
b8992e497d57001ddf100f9c397fcef5

SHA1
e26ddf101a2ec5027975d2909306457c6f61cfbd

SHA256
98bcd1dd88642f4dd36a300c76ebb1ddfbbbc5bfc7e3b6d7435dc6d6e030c13b

SHA512
8823b1904dccfaf031068102cb1def7958a057f49ff369f0e061f1b4db2090021aa620bb8442a2a6ac9355bb74ee54371dc2599c20dc723755a46ede81533a3c

Download Submit
memory/3008-37-0x0000000077065000-0x0000000077066000-memory.dmp

Filesize
4KB

Download
memory/3008-51-0x0000000000401000-0x0000000000404000-memory.dmp

Filesize
12KB

Download
memory/3008-34-0x0000000000400000-0x0000000001654000-memory.dmp

Filesize
18.3MB

Download
memory/3008-35-0x0000000000400000-0x0000000001654000-memory.dmp

Filesize
18.3MB

Download
memory/3008-36-0x0000000077048000-0x0000000077049000-memory.dmp

Filesize
4KB

Download
memory/3008-58-0x0000000000401000-0x0000000000404000-memory.dmp

Filesize
12KB

Download
memory/3008-50-0x0000000000400000-0x0000000001654000-memory.dmp

Filesize
18.3MB

Download
memory/3008-56-0x0000000000400000-0x0000000001654000-memory.dmp

Filesize
18.3MB

Download
memory/3008-52-0x0000000000400000-0x0000000001654000-memory.dmp

Filesize
18.3MB

Download
memory/3008-53-0x0000000000400000-0x0000000001654000-memory.dmp

Filesize
18.3MB

Download
memory/3008-54-0x0000000000400000-0x0000000001654000-memory.dmp

Filesize
18.3MB

Download
memory/3008-55-0x0000000076FC1000-0x00000000770E1000-memory.dmp

Filesize
1.1MB

Download
memory/3176-33-0x0000000010004000-0x0000000010005000-memory.dmp

Filesize
4KB

Download
memory/3176-32-0x0000000076FC1000-0x00000000770E1000-memory.dmp

Filesize
1.1MB

Download

Analysis

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