b2e9676872a44efc96894c89af1f725f645bbfcfe02be72bd9abe2a5f3c08fa4

Analysis

max time kernel
134s
max time network
198s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
30-11-2022 23:04

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General

Target

b2e9676872a44efc96894c89af1f725f645bbfcfe02be72bd9abe2a5f3c08fa4.exe
Size

64KB
MD5

3799963170fcfcfaa0018a518c0c8888
SHA1

47e93d61871b92ef054b3938b8bc4155554e1cbd
SHA256

b2e9676872a44efc96894c89af1f725f645bbfcfe02be72bd9abe2a5f3c08fa4
SHA512

5919c6f155c14100458cd30eb74fbdbf3ec8edacdf855cabd2215006e544a3675fd360d940257185b9b9aef67547154002a2b3592337342f39a50969df6c26ea
SSDEEP

1536:gUzp5/Ur2iwzWNyp7k1XXROdY25cJEJdTyhc01Z2RUG:dzp5TiwzWmkHv25l4c+a

Score

7^/10

persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
272	iexplore.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Windows\CurrentVersion\Run\Fjtitn = "C:\\Users\\Admin\\AppData\\Roaming\\Fjtitn.scr"	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

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

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

Modifies Internet Explorer settings 1 TTPs 30 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\IntelliForms	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Toolbar	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\LowRegistry	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\PageSetup	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\SearchScopes	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "2"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "376793293"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Zoom	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\InternetRegistry	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{C2358320-72A3-11ED-BDBF-EEAC7132E42C} = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	IEXPLORE.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1716	b2e9676872a44efc96894c89af1f725f645bbfcfe02be72bd9abe2a5f3c08fa4.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1716	b2e9676872a44efc96894c89af1f725f645bbfcfe02be72bd9abe2a5f3c08fa4.exe
Token: SeDebugPrivilege	1716	b2e9676872a44efc96894c89af1f725f645bbfcfe02be72bd9abe2a5f3c08fa4.exe
Token: SeDebugPrivilege	272	iexplore.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1516	IEXPLORE.EXE

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1516	IEXPLORE.EXE
1516	IEXPLORE.EXE
1004	IEXPLORE.EXE
1004	IEXPLORE.EXE
1004	IEXPLORE.EXE
1004	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1716 wrote to memory of 272	1716	b2e9676872a44efc96894c89af1f725f645bbfcfe02be72bd9abe2a5f3c08fa4.exe	28
PID 1716 wrote to memory of 272	1716	b2e9676872a44efc96894c89af1f725f645bbfcfe02be72bd9abe2a5f3c08fa4.exe	28
PID 1716 wrote to memory of 272	1716	b2e9676872a44efc96894c89af1f725f645bbfcfe02be72bd9abe2a5f3c08fa4.exe	28
PID 1716 wrote to memory of 272	1716	b2e9676872a44efc96894c89af1f725f645bbfcfe02be72bd9abe2a5f3c08fa4.exe	28
PID 272 wrote to memory of 1516	272	iexplore.exe	29
PID 272 wrote to memory of 1516	272	iexplore.exe	29
PID 272 wrote to memory of 1516	272	iexplore.exe	29
PID 272 wrote to memory of 1516	272	iexplore.exe	29
PID 1716 wrote to memory of 272	1716	b2e9676872a44efc96894c89af1f725f645bbfcfe02be72bd9abe2a5f3c08fa4.exe	28
PID 1716 wrote to memory of 272	1716	b2e9676872a44efc96894c89af1f725f645bbfcfe02be72bd9abe2a5f3c08fa4.exe	28
PID 1516 wrote to memory of 1004	1516	IEXPLORE.EXE	31
PID 1516 wrote to memory of 1004	1516	IEXPLORE.EXE	31
PID 1516 wrote to memory of 1004	1516	IEXPLORE.EXE	31
PID 1516 wrote to memory of 1004	1516	IEXPLORE.EXE	31

C:\Users\Admin\AppData\Local\Temp\b2e9676872a44efc96894c89af1f725f645bbfcfe02be72bd9abe2a5f3c08fa4.exe
"C:\Users\Admin\AppData\Local\Temp\b2e9676872a44efc96894c89af1f725f645bbfcfe02be72bd9abe2a5f3c08fa4.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1716
- C:\Program Files (x86)\Internet Explorer\iexplore.exe
  "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
  2⤵
  - Deletes itself
  - Adds Run key to start application
  - Enumerates connected drives
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:272
- - C:\Program Files\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1516
  - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1516 CREDAT:275457 /prefetch:2
      4⤵
      Modifies Internet Explorer settings
      Suspicious use of SetWindowsHookEx
      PID:1004

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\S34WV92F.txt

Filesize
539B

MD5
bd212eee107d73c37c57235e3505ede3

SHA1
7833ae8a4d6823ec44525811bd5f2e7e886c2327

SHA256
f1d9e7146a5168ef5ac322ed5f53d82b4981652707f70a50eb68af4fb2de501b

SHA512
543590641ae8cad067ed023bb5bdd03188e1ad74c32ef7f20d768ddf69a7690eaf3da3639da28128493fad70cb8efcbc8320157e302ed7e9525286da2594baab

Download Submit
memory/1716-54-0x0000000075FF1000-0x0000000075FF3000-memory.dmp

Filesize
8KB

Download
memory/1716-55-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1716-56-0x0000000000470000-0x00000000004BE000-memory.dmp

Filesize
312KB

Download
memory/1716-58-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1716-59-0x0000000000470000-0x00000000004BE000-memory.dmp

Filesize
312KB

Download