1c562e93c15bd6c05849276b1f31e38405246dd40e7ae44325523337e4f6f027

Analysis

max time kernel
150s
max time network
144s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
30/12/2023, 01:48

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General

Target

0a9ef043882edacc8f30bd13977a465c.exe
Size

220KB
MD5

0a9ef043882edacc8f30bd13977a465c
SHA1

32eef93493a50b75dae3e0e36d3bf86779ff4c44
SHA256

1c562e93c15bd6c05849276b1f31e38405246dd40e7ae44325523337e4f6f027
SHA512

43a914db8af2928b1695760af7911a388193f9e6e3cf41743a75002d12c4a37cf81c5f2525466786731832c26a1703690ca12c8c31816c2dd7fdb6465462dcdb
SSDEEP

6144:R7rWjayYoWv7fGkZWa+emUT6+VMSmoZI:RGvYbTnWa+0ThxM

Score

7^/10

persistence upx

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
944	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2412	uxbou.exe

Loads dropped DLL 2 IoCs

pid	Process
2332	0a9ef043882edacc8f30bd13977a465c.exe
2332	0a9ef043882edacc8f30bd13977a465c.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2332-0-0x0000000000400000-0x0000000000817000-memory.dmp	upx
behavioral1/files/0x000e0000000122e4-5.dat	upx
behavioral1/memory/2332-11-0x0000000007880000-0x0000000007C97000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Windows\CurrentVersion\Run\{6CF0A0C8-CEE0-AD4E-46DF-EAE75CAEC9FA} = "C:\\Users\\Admin\\AppData\\Roaming\\Oxut\\uxbou.exe"	uxbou.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2332 set thread context of 944	2332	0a9ef043882edacc8f30bd13977a465c.exe	29

Modifies Internet Explorer settings 1 TTPs 2 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Internet Explorer\Privacy	0a9ef043882edacc8f30bd13977a465c.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000\Software\Microsoft\Internet Explorer\Privacy\CleanCookies = "0"	0a9ef043882edacc8f30bd13977a465c.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
2412	uxbou.exe
2412	uxbou.exe
2412	uxbou.exe
2412	uxbou.exe
2412	uxbou.exe
2412	uxbou.exe
2412	uxbou.exe
2412	uxbou.exe
2412	uxbou.exe
2412	uxbou.exe
2412	uxbou.exe
2412	uxbou.exe
2412	uxbou.exe
2412	uxbou.exe
2412	uxbou.exe
2412	uxbou.exe
2412	uxbou.exe
2412	uxbou.exe
2412	uxbou.exe
2412	uxbou.exe
2412	uxbou.exe
2412	uxbou.exe
2412	uxbou.exe
2412	uxbou.exe
2412	uxbou.exe
2412	uxbou.exe
2412	uxbou.exe
2412	uxbou.exe
2412	uxbou.exe
2412	uxbou.exe
2412	uxbou.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeSecurityPrivilege	2332	0a9ef043882edacc8f30bd13977a465c.exe
Token: SeSecurityPrivilege	2332	0a9ef043882edacc8f30bd13977a465c.exe
Token: SeSecurityPrivilege	2332	0a9ef043882edacc8f30bd13977a465c.exe

Suspicious use of WriteProcessMemory 38 IoCs

description	pid	Process	procid_target
PID 2332 wrote to memory of 2412	2332	0a9ef043882edacc8f30bd13977a465c.exe	28
PID 2332 wrote to memory of 2412	2332	0a9ef043882edacc8f30bd13977a465c.exe	28
PID 2332 wrote to memory of 2412	2332	0a9ef043882edacc8f30bd13977a465c.exe	28
PID 2332 wrote to memory of 2412	2332	0a9ef043882edacc8f30bd13977a465c.exe	28
PID 2412 wrote to memory of 1108	2412	uxbou.exe	12
PID 2412 wrote to memory of 1108	2412	uxbou.exe	12
PID 2412 wrote to memory of 1108	2412	uxbou.exe	12
PID 2412 wrote to memory of 1108	2412	uxbou.exe	12
PID 2412 wrote to memory of 1108	2412	uxbou.exe	12
PID 2412 wrote to memory of 1172	2412	uxbou.exe	15
PID 2412 wrote to memory of 1172	2412	uxbou.exe	15
PID 2412 wrote to memory of 1172	2412	uxbou.exe	15
PID 2412 wrote to memory of 1172	2412	uxbou.exe	15
PID 2412 wrote to memory of 1172	2412	uxbou.exe	15
PID 2412 wrote to memory of 1196	2412	uxbou.exe	13
PID 2412 wrote to memory of 1196	2412	uxbou.exe	13
PID 2412 wrote to memory of 1196	2412	uxbou.exe	13
PID 2412 wrote to memory of 1196	2412	uxbou.exe	13
PID 2412 wrote to memory of 1196	2412	uxbou.exe	13
PID 2412 wrote to memory of 612	2412	uxbou.exe	18
PID 2412 wrote to memory of 612	2412	uxbou.exe	18
PID 2412 wrote to memory of 612	2412	uxbou.exe	18
PID 2412 wrote to memory of 612	2412	uxbou.exe	18
PID 2412 wrote to memory of 612	2412	uxbou.exe	18
PID 2412 wrote to memory of 2332	2412	uxbou.exe	27
PID 2412 wrote to memory of 2332	2412	uxbou.exe	27
PID 2412 wrote to memory of 2332	2412	uxbou.exe	27
PID 2412 wrote to memory of 2332	2412	uxbou.exe	27
PID 2412 wrote to memory of 2332	2412	uxbou.exe	27
PID 2332 wrote to memory of 944	2332	0a9ef043882edacc8f30bd13977a465c.exe	29
PID 2332 wrote to memory of 944	2332	0a9ef043882edacc8f30bd13977a465c.exe	29
PID 2332 wrote to memory of 944	2332	0a9ef043882edacc8f30bd13977a465c.exe	29
PID 2332 wrote to memory of 944	2332	0a9ef043882edacc8f30bd13977a465c.exe	29
PID 2332 wrote to memory of 944	2332	0a9ef043882edacc8f30bd13977a465c.exe	29
PID 2332 wrote to memory of 944	2332	0a9ef043882edacc8f30bd13977a465c.exe	29
PID 2332 wrote to memory of 944	2332	0a9ef043882edacc8f30bd13977a465c.exe	29
PID 2332 wrote to memory of 944	2332	0a9ef043882edacc8f30bd13977a465c.exe	29
PID 2332 wrote to memory of 944	2332	0a9ef043882edacc8f30bd13977a465c.exe	29

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1108

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1196
- C:\Users\Admin\AppData\Local\Temp\0a9ef043882edacc8f30bd13977a465c.exe
  "C:\Users\Admin\AppData\Local\Temp\0a9ef043882edacc8f30bd13977a465c.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - Modifies Internet Explorer settings
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2332
- - C:\Users\Admin\AppData\Roaming\Oxut\uxbou.exe
    "C:\Users\Admin\AppData\Roaming\Oxut\uxbou.exe"
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:2412
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\tmpaeedfe72.bat"
    3⤵
    - Deletes itself
    PID:944

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1172

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:612

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpaeedfe72.bat

Filesize
243B

MD5
c1c38b5584e11213db9d03db9ef3de95

SHA1
bfc31145a74cfa60086635b651d745aeeb565540

SHA256
5dc449c311fb889cd336a8ba61c5d96dbb56cf4f085f90ad8637afcf8d7dd94d

SHA512
7aab59fd5b7b6e13071f33be1bfa78259f77eea82510f2a5b19d771504d4533cf284b339856de11a3f3d21eb10d02ec3dd4d959c419267480846e321e7ee5518

Download Submit
C:\Users\Admin\AppData\Roaming\Cyuxv\ysen.xiu

Filesize
366B

MD5
df91242c36530436950f212a330b2d96

SHA1
9ad15eb3fe8edd833d0c33499f629777db357a93

SHA256
3a8ef5402d07cf8b27ea488c45c3cdc8d011660952162ce714c6c37a892c357a

SHA512
e1000ede757b72f0cad14652c227b4a62569688263328eecb5645ecb19c5d592ac3ba5f182991d3ad7e9e2fdd8d6cfe2d45a838161aa213ac75fb15fee3b7cb9

Download Submit
\Users\Admin\AppData\Roaming\Oxut\uxbou.exe

Filesize
220KB

MD5
977d20733718c22404582add964b0fff

SHA1
c3512ed89dec46406cee8334da5dcf5019513189

SHA256
2db536365dc2a2d2d8de20726357b000a0c9f5392ad286972734677a4b4d092e

SHA512
0ea315c2388395510afa3aa7e32dbbefaadd114c2ef7fb9a9a1da7a2ace3281cbfdfde631045829f13ba11f0c3567a607593f7761bf54b7addafe1390b62a994

Download Submit
memory/612-49-0x0000000001CB0000-0x0000000001CED000-memory.dmp

Filesize
244KB

Download
memory/612-55-0x0000000001CB0000-0x0000000001CED000-memory.dmp

Filesize
244KB

Download
memory/612-53-0x0000000001CB0000-0x0000000001CED000-memory.dmp

Filesize
244KB

Download
memory/612-51-0x0000000001CB0000-0x0000000001CED000-memory.dmp

Filesize
244KB

Download
memory/944-274-0x00000000002B0000-0x00000000002B1000-memory.dmp

Filesize
4KB

Download
memory/944-179-0x0000000077750000-0x0000000077751000-memory.dmp

Filesize
4KB

Download
memory/944-173-0x0000000000050000-0x000000000008D000-memory.dmp

Filesize
244KB

Download
memory/944-175-0x0000000077750000-0x0000000077751000-memory.dmp

Filesize
4KB

Download
memory/944-276-0x0000000000050000-0x000000000008D000-memory.dmp

Filesize
244KB

Download
memory/1108-25-0x0000000001AB0000-0x0000000001AED000-memory.dmp

Filesize
244KB

Download
memory/1108-15-0x0000000001AB0000-0x0000000001AED000-memory.dmp

Filesize
244KB

Download
memory/1108-23-0x0000000001AB0000-0x0000000001AED000-memory.dmp

Filesize
244KB

Download
memory/1108-19-0x0000000001AB0000-0x0000000001AED000-memory.dmp

Filesize
244KB

Download
memory/1108-21-0x0000000001AB0000-0x0000000001AED000-memory.dmp

Filesize
244KB

Download
memory/1172-33-0x00000000001B0000-0x00000000001ED000-memory.dmp

Filesize
244KB

Download
memory/1172-35-0x00000000001B0000-0x00000000001ED000-memory.dmp

Filesize
244KB

Download
memory/1172-31-0x00000000001B0000-0x00000000001ED000-memory.dmp

Filesize
244KB

Download
memory/1172-29-0x00000000001B0000-0x00000000001ED000-memory.dmp

Filesize
244KB

Download
memory/1196-45-0x00000000026F0000-0x000000000272D000-memory.dmp

Filesize
244KB

Download
memory/1196-43-0x00000000026F0000-0x000000000272D000-memory.dmp

Filesize
244KB

Download
memory/1196-41-0x00000000026F0000-0x000000000272D000-memory.dmp

Filesize
244KB

Download
memory/1196-39-0x00000000026F0000-0x000000000272D000-memory.dmp

Filesize
244KB

Download
memory/2332-61-0x0000000000280000-0x00000000002BD000-memory.dmp

Filesize
244KB

Download
memory/2332-81-0x0000000000300000-0x0000000000301000-memory.dmp

Filesize
4KB

Download
memory/2332-62-0x0000000000280000-0x00000000002BD000-memory.dmp

Filesize
244KB

Download
memory/2332-63-0x0000000000300000-0x0000000000301000-memory.dmp

Filesize
4KB

Download
memory/2332-66-0x0000000000300000-0x0000000000301000-memory.dmp

Filesize
4KB

Download
memory/2332-67-0x0000000077750000-0x0000000077751000-memory.dmp

Filesize
4KB

Download
memory/2332-65-0x0000000000280000-0x00000000002BD000-memory.dmp

Filesize
244KB

Download
memory/2332-69-0x0000000000300000-0x0000000000301000-memory.dmp

Filesize
4KB

Download
memory/2332-71-0x0000000000300000-0x0000000000301000-memory.dmp

Filesize
4KB

Download
memory/2332-73-0x0000000000300000-0x0000000000301000-memory.dmp

Filesize
4KB

Download
memory/2332-75-0x0000000000300000-0x0000000000301000-memory.dmp

Filesize
4KB

Download
memory/2332-77-0x0000000000300000-0x0000000000301000-memory.dmp

Filesize
4KB

Download
memory/2332-79-0x0000000000300000-0x0000000000301000-memory.dmp

Filesize
4KB

Download
memory/2332-60-0x0000000000280000-0x00000000002BD000-memory.dmp

Filesize
244KB

Download
memory/2332-159-0x0000000000300000-0x0000000000301000-memory.dmp

Filesize
4KB

Download
memory/2332-59-0x0000000000280000-0x00000000002BD000-memory.dmp

Filesize
244KB

Download
memory/2332-58-0x0000000000280000-0x00000000002BD000-memory.dmp

Filesize
244KB

Download
memory/2332-18-0x0000000007880000-0x0000000007C97000-memory.dmp

Filesize
4.1MB

Download
memory/2332-172-0x0000000000400000-0x0000000000817000-memory.dmp

Filesize
4.1MB

Download
memory/2332-177-0x0000000000280000-0x00000000002BD000-memory.dmp

Filesize
244KB

Download
memory/2332-11-0x0000000007880000-0x0000000007C97000-memory.dmp

Filesize
4.1MB

Download
memory/2332-2-0x0000000000400000-0x0000000000817000-memory.dmp

Filesize
4.1MB

Download
memory/2332-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2332-0-0x0000000000400000-0x0000000000817000-memory.dmp

Filesize
4.1MB

Download
memory/2412-14-0x0000000000400000-0x0000000000817000-memory.dmp

Filesize
4.1MB

Download
memory/2412-16-0x0000000000400000-0x0000000000817000-memory.dmp

Filesize
4.1MB

Download
memory/2412-277-0x0000000000400000-0x0000000000817000-memory.dmp

Filesize
4.1MB

Download