90a1afa7f79db333125b8e28cd85b4624af46d1853dea8af56e8383796daaa2f

Analysis

max time kernel
151s
max time network
48s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
04/12/2022, 07:43

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General

Target

90a1afa7f79db333125b8e28cd85b4624af46d1853dea8af56e8383796daaa2f.exe
Size

180KB
MD5

99a6c932299f6fefcd309b5df856144a
SHA1

6f9d7ae184364f01a2de88a622595d88beaaf34f
SHA256

90a1afa7f79db333125b8e28cd85b4624af46d1853dea8af56e8383796daaa2f
SHA512

48caa8aee227b4b9653e3e26a294d687bbf20c5c953b707091e89a418590bd288925606ce2a133fdda1b2b96404b6c01f2e97c70dbd0e17f00571003dfd16461
SSDEEP

3072:8/Y8pA0noJD0hCkIThWQIKXTZaZN6V4y5NfAi:8/jMJ5J1zJXoH/i

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1948	Ifyzaa.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-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run	Ifyzaa.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\QZAIB7KITK = "C:\\Windows\\Ifyzaa.exe"	Ifyzaa.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\{35DC3473-A719-4d14-B7C1-FD326CA84A0C}.job	90a1afa7f79db333125b8e28cd85b4624af46d1853dea8af56e8383796daaa2f.exe
File opened for modification	C:\Windows\Tasks\{35DC3473-A719-4d14-B7C1-FD326CA84A0C}.job	90a1afa7f79db333125b8e28cd85b4624af46d1853dea8af56e8383796daaa2f.exe
File created	C:\Windows\Ifyzaa.exe	90a1afa7f79db333125b8e28cd85b4624af46d1853dea8af56e8383796daaa2f.exe
File opened for modification	C:\Windows\Ifyzaa.exe	90a1afa7f79db333125b8e28cd85b4624af46d1853dea8af56e8383796daaa2f.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\International	Ifyzaa.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1644	90a1afa7f79db333125b8e28cd85b4624af46d1853dea8af56e8383796daaa2f.exe
1948	Ifyzaa.exe
1948	Ifyzaa.exe
1948	Ifyzaa.exe
1948	Ifyzaa.exe
1948	Ifyzaa.exe
1948	Ifyzaa.exe
1948	Ifyzaa.exe
1948	Ifyzaa.exe
1948	Ifyzaa.exe
1948	Ifyzaa.exe
1948	Ifyzaa.exe
1948	Ifyzaa.exe
1948	Ifyzaa.exe
1948	Ifyzaa.exe
1948	Ifyzaa.exe
1948	Ifyzaa.exe
1948	Ifyzaa.exe
1948	Ifyzaa.exe
1948	Ifyzaa.exe
1948	Ifyzaa.exe
1948	Ifyzaa.exe
1948	Ifyzaa.exe
1948	Ifyzaa.exe
1948	Ifyzaa.exe
1948	Ifyzaa.exe
1948	Ifyzaa.exe
1948	Ifyzaa.exe
1948	Ifyzaa.exe
1948	Ifyzaa.exe
1948	Ifyzaa.exe
1948	Ifyzaa.exe
1948	Ifyzaa.exe
1948	Ifyzaa.exe
1948	Ifyzaa.exe
1948	Ifyzaa.exe
1948	Ifyzaa.exe
1948	Ifyzaa.exe
1948	Ifyzaa.exe
1948	Ifyzaa.exe
1948	Ifyzaa.exe
1948	Ifyzaa.exe
1948	Ifyzaa.exe
1948	Ifyzaa.exe
1948	Ifyzaa.exe
1948	Ifyzaa.exe
1948	Ifyzaa.exe
1948	Ifyzaa.exe
1948	Ifyzaa.exe
1948	Ifyzaa.exe
1948	Ifyzaa.exe
1948	Ifyzaa.exe
1948	Ifyzaa.exe
1948	Ifyzaa.exe
1948	Ifyzaa.exe
1948	Ifyzaa.exe
1948	Ifyzaa.exe
1948	Ifyzaa.exe
1948	Ifyzaa.exe
1948	Ifyzaa.exe
1948	Ifyzaa.exe
1948	Ifyzaa.exe
1948	Ifyzaa.exe
1948	Ifyzaa.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1644 wrote to memory of 1948	1644	90a1afa7f79db333125b8e28cd85b4624af46d1853dea8af56e8383796daaa2f.exe	28
PID 1644 wrote to memory of 1948	1644	90a1afa7f79db333125b8e28cd85b4624af46d1853dea8af56e8383796daaa2f.exe	28
PID 1644 wrote to memory of 1948	1644	90a1afa7f79db333125b8e28cd85b4624af46d1853dea8af56e8383796daaa2f.exe	28
PID 1644 wrote to memory of 1948	1644	90a1afa7f79db333125b8e28cd85b4624af46d1853dea8af56e8383796daaa2f.exe	28

C:\Users\Admin\AppData\Local\Temp\90a1afa7f79db333125b8e28cd85b4624af46d1853dea8af56e8383796daaa2f.exe
"C:\Users\Admin\AppData\Local\Temp\90a1afa7f79db333125b8e28cd85b4624af46d1853dea8af56e8383796daaa2f.exe"
1⤵
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1644
- C:\Windows\Ifyzaa.exe
  C:\Windows\Ifyzaa.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  PID:1948

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\Ifyzaa.exe

Filesize
180KB

MD5
99a6c932299f6fefcd309b5df856144a

SHA1
6f9d7ae184364f01a2de88a622595d88beaaf34f

SHA256
90a1afa7f79db333125b8e28cd85b4624af46d1853dea8af56e8383796daaa2f

SHA512
48caa8aee227b4b9653e3e26a294d687bbf20c5c953b707091e89a418590bd288925606ce2a133fdda1b2b96404b6c01f2e97c70dbd0e17f00571003dfd16461

Download Submit
C:\Windows\Tasks\{35DC3473-A719-4d14-B7C1-FD326CA84A0C}.job

Filesize
408B

MD5
9f0b892607c5eccce3026e250da1e60b

SHA1
31084ce3c1efa4e979bb86a3328b56ba4eac0747

SHA256
637a66e56b905cb8800c234e10a49c5a1aaae06d1505f001ec5d1b45d6779119

SHA512
040573ab8453dff86f6ffbb06a060895bf918c9126982a2c9c47f6446ac76eaadb46b657f4977f507db992673f4ee1c1ec73f9df83077adb6e94139ed4e0c8ca

Download Submit
memory/1644-54-0x0000000075A11000-0x0000000075A13000-memory.dmp

Filesize
8KB

Download
memory/1644-55-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/1644-56-0x0000000000220000-0x000000000022D000-memory.dmp

Filesize
52KB

Download
memory/1644-57-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/1644-64-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/1644-65-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/1948-63-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/1948-66-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download