70ac910b42fb4942e1a2cf678b07b43fa54ad70ebd9d52aff2c3be1233db250f

Analysis

max time kernel
150s
max time network
138s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
24-02-2024 20:53

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General

Target

a2bb1e5363683a0fe961f593dc487ff3.exe
Size

360KB
MD5

a2bb1e5363683a0fe961f593dc487ff3
SHA1

e2000b4c5aee907ffc9996fca1f77ef544624ad8
SHA256

70ac910b42fb4942e1a2cf678b07b43fa54ad70ebd9d52aff2c3be1233db250f
SHA512

4b6a598ef7a9acaf02057e59222304e1272f32f3b31b80a3e3949bb902c48ccd6f8950c7d3ca5676b1bfa605974840193b3bdf700123a685b3337fe4a2da967d
SSDEEP

6144:RsQzH8sbE+kGSwyX3PnhLatV/sU01rkS6OFxKS:R/zc2E+kG8X/nGi4AF8S

Score

7^/10

persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1576	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
1788	uxevba.exe

Loads dropped DLL 2 IoCs

pid	Process
1196	a2bb1e5363683a0fe961f593dc487ff3.exe
1196	a2bb1e5363683a0fe961f593dc487ff3.exe

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-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Windows\CurrentVersion\Run\{7770FDC8-846D-AD4E-26F1-2C003EAC0F1D} = "C:\\Users\\Admin\\AppData\\Roaming\\Iret\\uxevba.exe"	uxevba.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1196 set thread context of 1576	1196	a2bb1e5363683a0fe961f593dc487ff3.exe	29

Modifies Internet Explorer settings 1 TTPs 2 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\Privacy	a2bb1e5363683a0fe961f593dc487ff3.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Internet Explorer\Privacy\CleanCookies = "0"	a2bb1e5363683a0fe961f593dc487ff3.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
1788	uxevba.exe
1788	uxevba.exe
1788	uxevba.exe
1788	uxevba.exe
1788	uxevba.exe
1788	uxevba.exe
1788	uxevba.exe
1788	uxevba.exe
1788	uxevba.exe
1788	uxevba.exe
1788	uxevba.exe
1788	uxevba.exe
1788	uxevba.exe
1788	uxevba.exe
1788	uxevba.exe
1788	uxevba.exe
1788	uxevba.exe
1788	uxevba.exe
1788	uxevba.exe
1788	uxevba.exe
1788	uxevba.exe
1788	uxevba.exe
1788	uxevba.exe
1788	uxevba.exe
1788	uxevba.exe
1788	uxevba.exe
1788	uxevba.exe
1788	uxevba.exe
1788	uxevba.exe
1788	uxevba.exe
1788	uxevba.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
1196	a2bb1e5363683a0fe961f593dc487ff3.exe
1788	uxevba.exe

Suspicious use of WriteProcessMemory 38 IoCs

description	pid	Process	procid_target
PID 1196 wrote to memory of 1788	1196	a2bb1e5363683a0fe961f593dc487ff3.exe	28
PID 1196 wrote to memory of 1788	1196	a2bb1e5363683a0fe961f593dc487ff3.exe	28
PID 1196 wrote to memory of 1788	1196	a2bb1e5363683a0fe961f593dc487ff3.exe	28
PID 1196 wrote to memory of 1788	1196	a2bb1e5363683a0fe961f593dc487ff3.exe	28
PID 1788 wrote to memory of 1108	1788	uxevba.exe	9
PID 1788 wrote to memory of 1108	1788	uxevba.exe	9
PID 1788 wrote to memory of 1108	1788	uxevba.exe	9
PID 1788 wrote to memory of 1108	1788	uxevba.exe	9
PID 1788 wrote to memory of 1108	1788	uxevba.exe	9
PID 1788 wrote to memory of 1168	1788	uxevba.exe	16
PID 1788 wrote to memory of 1168	1788	uxevba.exe	16
PID 1788 wrote to memory of 1168	1788	uxevba.exe	16
PID 1788 wrote to memory of 1168	1788	uxevba.exe	16
PID 1788 wrote to memory of 1168	1788	uxevba.exe	16
PID 1788 wrote to memory of 1204	1788	uxevba.exe	15
PID 1788 wrote to memory of 1204	1788	uxevba.exe	15
PID 1788 wrote to memory of 1204	1788	uxevba.exe	15
PID 1788 wrote to memory of 1204	1788	uxevba.exe	15
PID 1788 wrote to memory of 1204	1788	uxevba.exe	15
PID 1788 wrote to memory of 2384	1788	uxevba.exe	13
PID 1788 wrote to memory of 2384	1788	uxevba.exe	13
PID 1788 wrote to memory of 2384	1788	uxevba.exe	13
PID 1788 wrote to memory of 2384	1788	uxevba.exe	13
PID 1788 wrote to memory of 2384	1788	uxevba.exe	13
PID 1788 wrote to memory of 1196	1788	uxevba.exe	27
PID 1788 wrote to memory of 1196	1788	uxevba.exe	27
PID 1788 wrote to memory of 1196	1788	uxevba.exe	27
PID 1788 wrote to memory of 1196	1788	uxevba.exe	27
PID 1788 wrote to memory of 1196	1788	uxevba.exe	27
PID 1196 wrote to memory of 1576	1196	a2bb1e5363683a0fe961f593dc487ff3.exe	29
PID 1196 wrote to memory of 1576	1196	a2bb1e5363683a0fe961f593dc487ff3.exe	29
PID 1196 wrote to memory of 1576	1196	a2bb1e5363683a0fe961f593dc487ff3.exe	29
PID 1196 wrote to memory of 1576	1196	a2bb1e5363683a0fe961f593dc487ff3.exe	29
PID 1196 wrote to memory of 1576	1196	a2bb1e5363683a0fe961f593dc487ff3.exe	29
PID 1196 wrote to memory of 1576	1196	a2bb1e5363683a0fe961f593dc487ff3.exe	29
PID 1196 wrote to memory of 1576	1196	a2bb1e5363683a0fe961f593dc487ff3.exe	29
PID 1196 wrote to memory of 1576	1196	a2bb1e5363683a0fe961f593dc487ff3.exe	29
PID 1196 wrote to memory of 1576	1196	a2bb1e5363683a0fe961f593dc487ff3.exe	29

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

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:2384

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1204
- C:\Users\Admin\AppData\Local\Temp\a2bb1e5363683a0fe961f593dc487ff3.exe
  "C:\Users\Admin\AppData\Local\Temp\a2bb1e5363683a0fe961f593dc487ff3.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - Modifies Internet Explorer settings
  - Suspicious use of UnmapMainImage
  - Suspicious use of WriteProcessMemory
  PID:1196
- - C:\Users\Admin\AppData\Roaming\Iret\uxevba.exe
    "C:\Users\Admin\AppData\Roaming\Iret\uxevba.exe"
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of UnmapMainImage
    - Suspicious use of WriteProcessMemory
    PID:1788
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\tmp4f16a088.bat"
    3⤵
    - Deletes itself
    PID:1576

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1168

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\tmp4f16a088.bat

Filesize
243B

MD5
8e5c23f1a34102c50a96191b1b0bfe0b

SHA1
e8b5b9c76f779400ec4ab2c03864bf870a875e99

SHA256
cf6060e71941067ab65981f9b72f2766c9052f271fdfb2b86e18bad418e14547

SHA512
937bb199ff5136938b9f3e3c37f3bb7a9ffd836f5704157943a4d0bbd4941b35378d53fc66dc26c94e58213ebdde335eb735bb783e206d3ee372a12897a2dce0

Download Submit
C:\Users\Admin\AppData\Roaming\Iret\uxevba.exe

Filesize
360KB

MD5
dfa5bb901133c5a839a36982b700d4e5

SHA1
1be19481b2b2b0dd6cae99dfaf8f0e5b5202c4ab

SHA256
964c08064369ee63ef8298313ccde26e5c3c3f144bbab42e62e9ad7881a2c111

SHA512
59fea5e3c87c67d2ef8e88a6772ffecd9608bcaddd87fa0bac93866ba48cbdc504a11490e3857220fbd5fd524fbdece07a900bd9e333bd82191083556a9687e0

Download Submit
memory/1108-26-0x0000000002070000-0x00000000020B4000-memory.dmp

Filesize
272KB

Download
memory/1108-19-0x0000000002070000-0x00000000020B4000-memory.dmp

Filesize
272KB

Download
memory/1108-20-0x0000000002070000-0x00000000020B4000-memory.dmp

Filesize
272KB

Download
memory/1108-22-0x0000000002070000-0x00000000020B4000-memory.dmp

Filesize
272KB

Download
memory/1108-24-0x0000000002070000-0x00000000020B4000-memory.dmp

Filesize
272KB

Download
memory/1168-33-0x0000000002060000-0x00000000020A4000-memory.dmp

Filesize
272KB

Download
memory/1168-31-0x0000000002060000-0x00000000020A4000-memory.dmp

Filesize
272KB

Download
memory/1168-30-0x0000000002060000-0x00000000020A4000-memory.dmp

Filesize
272KB

Download
memory/1168-29-0x0000000002060000-0x00000000020A4000-memory.dmp

Filesize
272KB

Download
memory/1196-47-0x0000000001E50000-0x0000000001E94000-memory.dmp

Filesize
272KB

Download
memory/1196-75-0x0000000000330000-0x0000000000331000-memory.dmp

Filesize
4KB

Download
memory/1196-3-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/1196-4-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/1196-0-0x0000000000280000-0x00000000002C4000-memory.dmp

Filesize
272KB

Download
memory/1196-2-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/1196-166-0x0000000001E50000-0x0000000001E94000-memory.dmp

Filesize
272KB

Download
memory/1196-165-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/1196-147-0x0000000000330000-0x0000000000331000-memory.dmp

Filesize
4KB

Download
memory/1196-81-0x0000000000330000-0x0000000000331000-memory.dmp

Filesize
4KB

Download
memory/1196-79-0x0000000000330000-0x0000000000331000-memory.dmp

Filesize
4KB

Download
memory/1196-77-0x0000000000330000-0x0000000000331000-memory.dmp

Filesize
4KB

Download
memory/1196-5-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/1196-73-0x0000000000330000-0x0000000000331000-memory.dmp

Filesize
4KB

Download
memory/1196-71-0x0000000000330000-0x0000000000331000-memory.dmp

Filesize
4KB

Download
memory/1196-69-0x0000000000330000-0x0000000000331000-memory.dmp

Filesize
4KB

Download
memory/1196-46-0x0000000001E50000-0x0000000001E94000-memory.dmp

Filesize
272KB

Download
memory/1196-1-0x0000000001CA0000-0x0000000001CFF000-memory.dmp

Filesize
380KB

Download
memory/1196-48-0x0000000001E50000-0x0000000001E94000-memory.dmp

Filesize
272KB

Download
memory/1196-49-0x0000000001E50000-0x0000000001E94000-memory.dmp

Filesize
272KB

Download
memory/1196-61-0x0000000000330000-0x0000000000331000-memory.dmp

Filesize
4KB

Download
memory/1196-59-0x0000000000330000-0x0000000000331000-memory.dmp

Filesize
4KB

Download
memory/1196-57-0x0000000000330000-0x0000000000331000-memory.dmp

Filesize
4KB

Download
memory/1196-55-0x0000000000330000-0x0000000000331000-memory.dmp

Filesize
4KB

Download
memory/1196-64-0x0000000000330000-0x0000000000331000-memory.dmp

Filesize
4KB

Download
memory/1196-65-0x0000000077640000-0x0000000077641000-memory.dmp

Filesize
4KB

Download
memory/1196-63-0x0000000001E50000-0x0000000001E94000-memory.dmp

Filesize
272KB

Download
memory/1196-53-0x0000000000330000-0x0000000000331000-memory.dmp

Filesize
4KB

Download
memory/1196-51-0x0000000000330000-0x0000000000331000-memory.dmp

Filesize
4KB

Download
memory/1196-50-0x0000000001E50000-0x0000000001E94000-memory.dmp

Filesize
272KB

Download
memory/1196-67-0x0000000000330000-0x0000000000331000-memory.dmp

Filesize
4KB

Download
memory/1204-39-0x0000000002D70000-0x0000000002DB4000-memory.dmp

Filesize
272KB

Download
memory/1204-36-0x0000000002D70000-0x0000000002DB4000-memory.dmp

Filesize
272KB

Download
memory/1204-37-0x0000000002D70000-0x0000000002DB4000-memory.dmp

Filesize
272KB

Download
memory/1204-38-0x0000000002D70000-0x0000000002DB4000-memory.dmp

Filesize
272KB

Download
memory/1576-267-0x00000000003C0000-0x00000000003C1000-memory.dmp

Filesize
4KB

Download
memory/1576-167-0x00000000000C0000-0x0000000000104000-memory.dmp

Filesize
272KB

Download
memory/1576-185-0x0000000077640000-0x0000000077641000-memory.dmp

Filesize
4KB

Download
memory/1576-270-0x00000000000C0000-0x0000000000104000-memory.dmp

Filesize
272KB

Download
memory/1788-16-0x0000000000390000-0x00000000003EF000-memory.dmp

Filesize
380KB

Download
memory/1788-15-0x0000000000280000-0x00000000002C4000-memory.dmp

Filesize
272KB

Download
memory/1788-18-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/1788-271-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2384-41-0x0000000001BC0000-0x0000000001C04000-memory.dmp

Filesize
272KB

Download
memory/2384-42-0x0000000001BC0000-0x0000000001C04000-memory.dmp

Filesize
272KB

Download
memory/2384-44-0x0000000001BC0000-0x0000000001C04000-memory.dmp

Filesize
272KB

Download
memory/2384-43-0x0000000001BC0000-0x0000000001C04000-memory.dmp

Filesize
272KB

Download