a11285585fc60ddb6fad7362f400ef876394e83b84438a6caf52432af9594abb

Analysis

max time kernel
153s
max time network
190s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
04/12/2022, 05:11

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

a11285585fc60ddb6fad7362f400ef876394e83b84438a6caf52432af9594abb.exe
Size

134KB
MD5

419f0672a2aa6aa89cc12debb99eada9
SHA1

ac02d13c29a472fcb40e817ce612d9ccdb5588c0
SHA256

a11285585fc60ddb6fad7362f400ef876394e83b84438a6caf52432af9594abb
SHA512

a2b5b9b21deaf0f85740ac2d9b9fc4dcc098e3ede96e5d14cb8f5648d43c21303df45268ff8f45d1f75b8ef7d4c4c2aff9f302b196b4e24f6e6cba9dc97454b6
SSDEEP

3072:puMBRiycCxf3IJDFeyTxjBYQ0UmI5t+zQBJUf:4MfiUxf3IJJeyTxBYQ0Wt+YUf

Score

8^/10

upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1928	Ifumia.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x0008000000012326-58.dat	upx

Drops file in Windows directory 6 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\{62C40AA6-4406-467a-A5A5-DFDF1B559B7A}.job	a11285585fc60ddb6fad7362f400ef876394e83b84438a6caf52432af9594abb.exe
File opened for modification	C:\Windows\Tasks\{62C40AA6-4406-467a-A5A5-DFDF1B559B7A}.job	a11285585fc60ddb6fad7362f400ef876394e83b84438a6caf52432af9594abb.exe
File created	C:\Windows\Ifumia.exe	a11285585fc60ddb6fad7362f400ef876394e83b84438a6caf52432af9594abb.exe
File opened for modification	C:\Windows\Ifumia.exe	a11285585fc60ddb6fad7362f400ef876394e83b84438a6caf52432af9594abb.exe
File created	C:\Windows\Tasks\{62C40AA6-4406-467a-A5A5-DFDF1B559B7A}.job	Ifumia.exe
File opened for modification	C:\Windows\Tasks\{62C40AA6-4406-467a-A5A5-DFDF1B559B7A}.job	Ifumia.exe

Modifies Internet Explorer settings 1 TTPs 2 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Main	Ifumia.exe
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\International	Ifumia.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1928	Ifumia.exe
1928	Ifumia.exe
1928	Ifumia.exe
1928	Ifumia.exe
1928	Ifumia.exe
1928	Ifumia.exe
1928	Ifumia.exe
1928	Ifumia.exe
1928	Ifumia.exe
1928	Ifumia.exe
1928	Ifumia.exe
1928	Ifumia.exe
1928	Ifumia.exe
1928	Ifumia.exe
1928	Ifumia.exe
1928	Ifumia.exe
1928	Ifumia.exe
1928	Ifumia.exe
1928	Ifumia.exe
1928	Ifumia.exe
1928	Ifumia.exe
1928	Ifumia.exe
1928	Ifumia.exe
1928	Ifumia.exe
1928	Ifumia.exe
1928	Ifumia.exe
1928	Ifumia.exe
1928	Ifumia.exe
1928	Ifumia.exe
1928	Ifumia.exe
1928	Ifumia.exe
1928	Ifumia.exe
1928	Ifumia.exe
1928	Ifumia.exe
1928	Ifumia.exe
1928	Ifumia.exe
1928	Ifumia.exe
1928	Ifumia.exe
1928	Ifumia.exe
1928	Ifumia.exe
1928	Ifumia.exe
1928	Ifumia.exe
1928	Ifumia.exe
1928	Ifumia.exe
1928	Ifumia.exe
1928	Ifumia.exe
1928	Ifumia.exe
1928	Ifumia.exe
1928	Ifumia.exe
1928	Ifumia.exe
1928	Ifumia.exe
1928	Ifumia.exe
1928	Ifumia.exe
1928	Ifumia.exe
1928	Ifumia.exe
1928	Ifumia.exe
1928	Ifumia.exe
1928	Ifumia.exe
1928	Ifumia.exe
1928	Ifumia.exe
1928	Ifumia.exe
1928	Ifumia.exe
1928	Ifumia.exe
1928	Ifumia.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 936 wrote to memory of 1928	936	a11285585fc60ddb6fad7362f400ef876394e83b84438a6caf52432af9594abb.exe	28
PID 936 wrote to memory of 1928	936	a11285585fc60ddb6fad7362f400ef876394e83b84438a6caf52432af9594abb.exe	28
PID 936 wrote to memory of 1928	936	a11285585fc60ddb6fad7362f400ef876394e83b84438a6caf52432af9594abb.exe	28
PID 936 wrote to memory of 1928	936	a11285585fc60ddb6fad7362f400ef876394e83b84438a6caf52432af9594abb.exe	28

C:\Users\Admin\AppData\Local\Temp\a11285585fc60ddb6fad7362f400ef876394e83b84438a6caf52432af9594abb.exe
"C:\Users\Admin\AppData\Local\Temp\a11285585fc60ddb6fad7362f400ef876394e83b84438a6caf52432af9594abb.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:936
- C:\Windows\Ifumia.exe
  C:\Windows\Ifumia.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Windows directory
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  PID:1928

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\Ifumia.exe

Filesize
134KB

MD5
419f0672a2aa6aa89cc12debb99eada9

SHA1
ac02d13c29a472fcb40e817ce612d9ccdb5588c0

SHA256
a11285585fc60ddb6fad7362f400ef876394e83b84438a6caf52432af9594abb

SHA512
a2b5b9b21deaf0f85740ac2d9b9fc4dcc098e3ede96e5d14cb8f5648d43c21303df45268ff8f45d1f75b8ef7d4c4c2aff9f302b196b4e24f6e6cba9dc97454b6

Download Submit
C:\Windows\Tasks\{62C40AA6-4406-467a-A5A5-DFDF1B559B7A}.job

Filesize
408B

MD5
d8969a99f72c278f4a03af6754849c86

SHA1
e3bfaa4ef309d610407e5f1be681a0b1faf75a84

SHA256
51aeaf1af56129323d61f74d935b63d943ece8c589281ec0dcdd8164d33f922f

SHA512
ad4a5cc22f0261dda4fcabcc4df0aed10e19631b96df340ffac48a3b150526318fb6faecd18ffc67e1551e5d5f9d1bc2b9d9bd5b6bb31cabbcd638f3d39d097d

Download Submit
memory/936-54-0x00000000764C1000-0x00000000764C3000-memory.dmp

Filesize
8KB

Download
memory/936-55-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/936-56-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/936-61-0x0000000001DE0000-0x0000000001E1B000-memory.dmp

Filesize
236KB

Download
memory/936-63-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/1928-62-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/1928-64-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download