4fcd708a33c621f295ddd7d29100ffa147a7addbd4d823dd72a05d00c783e6d0

General

Target

4fcd708a33c621f295ddd7d29100ffa147a7addbd4d823dd72a05d00c783e6d0.exe
Size

1.3MB
MD5

cc5fbd1e56505ab99e0661e16b8e9b3b
SHA1

410472792522b5656500aa4261fc5e6d93858384
SHA256

4fcd708a33c621f295ddd7d29100ffa147a7addbd4d823dd72a05d00c783e6d0
SHA512

1e148dd1f208e7ead2f0573edc24bb86fcdb15e7631ca2bfd7f4c5beee6dbd0341de942aa019ee91f795c4f22b6ff2dcfdfba348d06b2fe8e3df555c18509754
SSDEEP

24576:0U9QklrLjwi131W+I9fW+isuu14NIB/y6FcQk3:BQk9PwizWL9fWnq1p4Mk

Score

7^/10

upx

Malware Config

Signatures

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4116-0-0x0000000000400000-0x0000000000735000-memory.dmp	upx
behavioral2/memory/4116-7-0x0000000000400000-0x0000000000735000-memory.dmp	upx
behavioral2/memory/4116-8-0x0000000000400000-0x0000000000735000-memory.dmp	upx

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

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 5 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Microsoft\Internet Explorer\Main	4fcd708a33c621f295ddd7d29100ffa147a7addbd4d823dd72a05d00c783e6d0.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Default_Page_URL	4fcd708a33c621f295ddd7d29100ffa147a7addbd4d823dd72a05d00c783e6d0.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Main\Default_Page_URL	4fcd708a33c621f295ddd7d29100ffa147a7addbd4d823dd72a05d00c783e6d0.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Default_Page_URL = "http://www.2345.com/?28879"	4fcd708a33c621f295ddd7d29100ffa147a7addbd4d823dd72a05d00c783e6d0.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Main\Default_Page_URL = "http://www.2345.com/?28879"	4fcd708a33c621f295ddd7d29100ffa147a7addbd4d823dd72a05d00c783e6d0.exe

Modifies Internet Explorer start page 1 TTPs 2 IoCs

stealer

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Start Page	4fcd708a33c621f295ddd7d29100ffa147a7addbd4d823dd72a05d00c783e6d0.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Start Page = "http://www.2345.com/?28879"	4fcd708a33c621f295ddd7d29100ffa147a7addbd4d823dd72a05d00c783e6d0.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
4116	4fcd708a33c621f295ddd7d29100ffa147a7addbd4d823dd72a05d00c783e6d0.exe
4116	4fcd708a33c621f295ddd7d29100ffa147a7addbd4d823dd72a05d00c783e6d0.exe
4116	4fcd708a33c621f295ddd7d29100ffa147a7addbd4d823dd72a05d00c783e6d0.exe
4116	4fcd708a33c621f295ddd7d29100ffa147a7addbd4d823dd72a05d00c783e6d0.exe
4116	4fcd708a33c621f295ddd7d29100ffa147a7addbd4d823dd72a05d00c783e6d0.exe
4116	4fcd708a33c621f295ddd7d29100ffa147a7addbd4d823dd72a05d00c783e6d0.exe
4116	4fcd708a33c621f295ddd7d29100ffa147a7addbd4d823dd72a05d00c783e6d0.exe
4116	4fcd708a33c621f295ddd7d29100ffa147a7addbd4d823dd72a05d00c783e6d0.exe

Suspicious behavior: LoadsDriver 2 IoCs

pid	Process
660	Process not Found
660	Process not Found

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4116	4fcd708a33c621f295ddd7d29100ffa147a7addbd4d823dd72a05d00c783e6d0.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
4116	4fcd708a33c621f295ddd7d29100ffa147a7addbd4d823dd72a05d00c783e6d0.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
4116	4fcd708a33c621f295ddd7d29100ffa147a7addbd4d823dd72a05d00c783e6d0.exe
4116	4fcd708a33c621f295ddd7d29100ffa147a7addbd4d823dd72a05d00c783e6d0.exe
4116	4fcd708a33c621f295ddd7d29100ffa147a7addbd4d823dd72a05d00c783e6d0.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4116 wrote to memory of 4472	4116	4fcd708a33c621f295ddd7d29100ffa147a7addbd4d823dd72a05d00c783e6d0.exe	101
PID 4116 wrote to memory of 4472	4116	4fcd708a33c621f295ddd7d29100ffa147a7addbd4d823dd72a05d00c783e6d0.exe	101

C:\Users\Admin\AppData\Local\Temp\4fcd708a33c621f295ddd7d29100ffa147a7addbd4d823dd72a05d00c783e6d0.exe
"C:\Users\Admin\AppData\Local\Temp\4fcd708a33c621f295ddd7d29100ffa147a7addbd4d823dd72a05d00c783e6d0.exe"
1⤵
- Modifies Internet Explorer settings
- Modifies Internet Explorer start page
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4116
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument https://www.baidu.com/s?wd=www.mtmdfz.org
  2⤵
  PID:4472

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --no-appcompat-clear --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=17 --mojo-platform-channel-handle=3972 --field-trial-handle=2236,i,5367110156796017614,12594004256180761011,262144 --variations-seed-version /prefetch:1
1⤵
PID:4492

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --no-appcompat-clear --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=18 --mojo-platform-channel-handle=4672 --field-trial-handle=2236,i,5367110156796017614,12594004256180761011,262144 --variations-seed-version /prefetch:1
1⤵
PID:1176

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=2108 --field-trial-handle=2236,i,5367110156796017614,12594004256180761011,262144 --variations-seed-version /prefetch:8
1⤵
PID:4632

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --no-appcompat-clear --disable-gpu-compositing --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=20 --mojo-platform-channel-handle=4308 --field-trial-handle=2236,i,5367110156796017614,12594004256180761011,262144 --variations-seed-version /prefetch:1
1⤵
PID:4656

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --no-appcompat-clear --disable-gpu-compositing --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=21 --mojo-platform-channel-handle=6004 --field-trial-handle=2236,i,5367110156796017614,12594004256180761011,262144 --variations-seed-version /prefetch:1
1⤵
PID:3548

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --no-appcompat-clear --disable-gpu-compositing --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=22 --mojo-platform-channel-handle=5484 --field-trial-handle=2236,i,5367110156796017614,12594004256180761011,262144 --variations-seed-version /prefetch:1
1⤵
PID:3972

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=edge_search_indexer.mojom.SearchIndexerInterfaceBroker --lang=en-US --service-sandbox-type=search_indexer --message-loop-type-ui --no-appcompat-clear --mojo-platform-channel-handle=5296 --field-trial-handle=2236,i,5367110156796017614,12594004256180761011,262144 --variations-seed-version /prefetch:8
1⤵
PID:4472

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --no-appcompat-clear --disable-gpu-compositing --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=24 --mojo-platform-channel-handle=5532 --field-trial-handle=2236,i,5367110156796017614,12594004256180761011,262144 --variations-seed-version /prefetch:1
1⤵
PID:5096

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --no-appcompat-clear --mojo-platform-channel-handle=6112 --field-trial-handle=2236,i,5367110156796017614,12594004256180761011,262144 --variations-seed-version /prefetch:8
1⤵
PID:3012

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/4116-0-0x0000000000400000-0x0000000000735000-memory.dmp

Filesize
3.2MB

Download
memory/4116-7-0x0000000000400000-0x0000000000735000-memory.dmp

Filesize
3.2MB

Download
memory/4116-8-0x0000000000400000-0x0000000000735000-memory.dmp

Filesize
3.2MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads