2a8a207c0d4589d61845084821f6178c36af2e54dab2ea988ff25d8db7fb2724 | Triage

Analysis

max time kernel
140s
max time network
146s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
03/10/2022, 01:28 UTC

Sharing

Report Analysis Logs

General

Target

2a8a207c0d4589d61845084821f6178c36af2e54dab2ea988ff25d8db7fb2724.exe
Size

160KB
MD5

6e5b59ff245f9bef635cd1d8f17b3155
SHA1

09547b3fb452546efca08575c252ade007937338
SHA256

2a8a207c0d4589d61845084821f6178c36af2e54dab2ea988ff25d8db7fb2724
SHA512

324a0137eaae40cd09a2ed0f70e5fc3e7c1483a50a70d571801f824bf8e106ec250b02cf24444c2f8023f64c480806ef39e57209a174ef662697684c1e1bacb4
SSDEEP

3072:qm64Xco1T+HflHnMopK4meh6YVgvPq4ljI+elAxWiDUUWK:NoGqRMopKReJVgHHQlAxWTUWK

Score

7^/10

persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1800	iexplore.exe

Adds Run key to start application 2 TTPs 2 IoCs

Registry Run Keys / Startup Folder

Modify Registry

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\Oeeaeo = "C:\\Users\\Admin\\AppData\\Roaming\\Oeeaeo.exe"	iexplore.exe

Enumerates connected drives 3 TTPs 1 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

Peripheral Device Discovery

System Information Discovery

description	ioc	Process
File opened (read-only)	\??\D:	iexplore.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1476 set thread context of 1116	1476	2a8a207c0d4589d61845084821f6178c36af2e54dab2ea988ff25d8db7fb2724.exe	27

Modifies Internet Explorer settings 1 TTPs 28 IoCs

Modify Registry

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\IntelliForms	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "371550968"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\InternetRegistry	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\LowRegistry	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\PageSetup	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Zoom	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Toolbar	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{FAB57C61-42F5-11ED-AA2C-DE5CC620A9B4} = "0"	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	IEXPLORE.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1116	2a8a207c0d4589d61845084821f6178c36af2e54dab2ea988ff25d8db7fb2724.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1116	2a8a207c0d4589d61845084821f6178c36af2e54dab2ea988ff25d8db7fb2724.exe
Token: SeDebugPrivilege	1800	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1072	IEXPLORE.EXE

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1072	IEXPLORE.EXE
1072	IEXPLORE.EXE
1744	IEXPLORE.EXE
1744	IEXPLORE.EXE
1744	IEXPLORE.EXE
1744	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 1476 wrote to memory of 1116	1476	2a8a207c0d4589d61845084821f6178c36af2e54dab2ea988ff25d8db7fb2724.exe	27
PID 1476 wrote to memory of 1116	1476	2a8a207c0d4589d61845084821f6178c36af2e54dab2ea988ff25d8db7fb2724.exe	27
PID 1476 wrote to memory of 1116	1476	2a8a207c0d4589d61845084821f6178c36af2e54dab2ea988ff25d8db7fb2724.exe	27
PID 1476 wrote to memory of 1116	1476	2a8a207c0d4589d61845084821f6178c36af2e54dab2ea988ff25d8db7fb2724.exe	27
PID 1476 wrote to memory of 1116	1476	2a8a207c0d4589d61845084821f6178c36af2e54dab2ea988ff25d8db7fb2724.exe	27
PID 1476 wrote to memory of 1116	1476	2a8a207c0d4589d61845084821f6178c36af2e54dab2ea988ff25d8db7fb2724.exe	27
PID 1476 wrote to memory of 1116	1476	2a8a207c0d4589d61845084821f6178c36af2e54dab2ea988ff25d8db7fb2724.exe	27
PID 1476 wrote to memory of 1116	1476	2a8a207c0d4589d61845084821f6178c36af2e54dab2ea988ff25d8db7fb2724.exe	27
PID 1476 wrote to memory of 1116	1476	2a8a207c0d4589d61845084821f6178c36af2e54dab2ea988ff25d8db7fb2724.exe	27
PID 1476 wrote to memory of 1116	1476	2a8a207c0d4589d61845084821f6178c36af2e54dab2ea988ff25d8db7fb2724.exe	27
PID 1116 wrote to memory of 1800	1116	2a8a207c0d4589d61845084821f6178c36af2e54dab2ea988ff25d8db7fb2724.exe	28
PID 1116 wrote to memory of 1800	1116	2a8a207c0d4589d61845084821f6178c36af2e54dab2ea988ff25d8db7fb2724.exe	28
PID 1116 wrote to memory of 1800	1116	2a8a207c0d4589d61845084821f6178c36af2e54dab2ea988ff25d8db7fb2724.exe	28
PID 1116 wrote to memory of 1800	1116	2a8a207c0d4589d61845084821f6178c36af2e54dab2ea988ff25d8db7fb2724.exe	28
PID 1800 wrote to memory of 1072	1800	iexplore.exe	29
PID 1800 wrote to memory of 1072	1800	iexplore.exe	29
PID 1800 wrote to memory of 1072	1800	iexplore.exe	29
PID 1800 wrote to memory of 1072	1800	iexplore.exe	29
PID 1116 wrote to memory of 1800	1116	2a8a207c0d4589d61845084821f6178c36af2e54dab2ea988ff25d8db7fb2724.exe	28
PID 1116 wrote to memory of 1800	1116	2a8a207c0d4589d61845084821f6178c36af2e54dab2ea988ff25d8db7fb2724.exe	28
PID 1072 wrote to memory of 1744	1072	IEXPLORE.EXE	31
PID 1072 wrote to memory of 1744	1072	IEXPLORE.EXE	31
PID 1072 wrote to memory of 1744	1072	IEXPLORE.EXE	31
PID 1072 wrote to memory of 1744	1072	IEXPLORE.EXE	31

C:\Users\Admin\AppData\Local\Temp\2a8a207c0d4589d61845084821f6178c36af2e54dab2ea988ff25d8db7fb2724.exe
"C:\Users\Admin\AppData\Local\Temp\2a8a207c0d4589d61845084821f6178c36af2e54dab2ea988ff25d8db7fb2724.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1476
- C:\Users\Admin\AppData\Local\Temp\2a8a207c0d4589d61845084821f6178c36af2e54dab2ea988ff25d8db7fb2724.exe
  "C:\Users\Admin\AppData\Local\Temp\2a8a207c0d4589d61845084821f6178c36af2e54dab2ea988ff25d8db7fb2724.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1116
- - C:\Program Files (x86)\Internet Explorer\iexplore.exe
    "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
    3⤵
    - Deletes itself
    - Adds Run key to start application
    - Enumerates connected drives
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1800
  - - C:\Program Files\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
      4⤵
      Modifies Internet Explorer settings
      Suspicious use of FindShellTrayWindow
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:1072
    - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1072 CREDAT:275457 /prefetch:2
        5⤵
        Modifies Internet Explorer settings
        Suspicious use of SetWindowsHookEx
        
        PID:1744

Network

DNS

api.bing.com

IEXPLORE.EXE

Remote address:

8.8.8.8:53

Request

api.bing.com

IN A

Response

api.bing.com

IN CNAME

api-bing-com.e-0001.e-msedge.net

api-bing-com.e-0001.e-msedge.net

IN CNAME

e-0001.e-msedge.net

e-0001.e-msedge.net

IN A

13.107.5.80

204.79.197.200:443

ieonline.microsoft.com

tls

IEXPLORE.EXE

707 B
7.6kB
8
11

8.8.8.8:53

api.bing.com

dns

IEXPLORE.EXE

58 B
134 B
1
1

DNS Request

api.bing.com

DNS Response

13.107.5.80

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

Privilege Escalation

Defense Evasion

Modify Registry

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\FTHKYF40.txt

Filesize
606B

MD5
485a6a21570ce9b6a0e5c2a712d06555

SHA1
2c643378081bf1289f7cbbefbcd35402b46876ca

SHA256
cf67e3fb8d9c00851d27eb34084a819a59c58cce0482b6ca740c9fccfee72f06

SHA512
14e97805b27d94d8ade674c22a736527a5260bbfee3348589b9fb2efeab9f32ebeb96460f952dffcfa3430570e7d0a7cba45abab886251764b3ece43cf27ea4a

Download Submit
memory/1116-64-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/1116-67-0x0000000074C11000-0x0000000074C13000-memory.dmp

Filesize
8KB

Download
memory/1116-58-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/1116-60-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/1116-62-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/1116-55-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/1116-72-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/1116-56-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/1116-68-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/1116-69-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/1116-70-0x0000000000380000-0x00000000003CF000-memory.dmp

Filesize
316KB

Download
memory/1116-73-0x0000000000380000-0x00000000003CF000-memory.dmp

Filesize
316KB

Download
memory/1476-65-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1476-54-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download