91a1879538d8f25996e16625eeb98e494fb979d1c3ece46804ff5c1d0b169f83

Analysis

max time kernel
149s
max time network
122s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
04/05/2024, 00:31

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General

Target

91a1879538d8f25996e16625eeb98e494fb979d1c3ece46804ff5c1d0b169f83.exe
Size

448KB
MD5

cbfeec84b5f8870bc2009fd5e6f5184d
SHA1

e2476a175c3cc6f03320bec91cfb619f8a5557e5
SHA256

91a1879538d8f25996e16625eeb98e494fb979d1c3ece46804ff5c1d0b169f83
SHA512

7b4d49bbf692c9ca689d1f82f12242abd2729338baf5a38177f2408da5383004ef06afbc22ab9788278365cc0e4d46098b6597377eeac6670623522e0204e46d
SSDEEP

6144:4jlYKRF/LReWAsUyH9Vk8pT9M9FM9tK9uOZnLyuH1oMs613tjODHJe7bkQmOQ:4jauDReWRLf9M9FMfKuOZnLnHaKkQk

Score

7^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1072	pvhca.exe

Loads dropped DLL 2 IoCs

pid	Process
3008	91a1879538d8f25996e16625eeb98e494fb979d1c3ece46804ff5c1d0b169f83.exe
3008	91a1879538d8f25996e16625eeb98e494fb979d1c3ece46804ff5c1d0b169f83.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\Microsoft® Windows® Operating System = "C:\\ProgramData\\pvhca.exe"	pvhca.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3008 wrote to memory of 1072	3008	91a1879538d8f25996e16625eeb98e494fb979d1c3ece46804ff5c1d0b169f83.exe	28
PID 3008 wrote to memory of 1072	3008	91a1879538d8f25996e16625eeb98e494fb979d1c3ece46804ff5c1d0b169f83.exe	28
PID 3008 wrote to memory of 1072	3008	91a1879538d8f25996e16625eeb98e494fb979d1c3ece46804ff5c1d0b169f83.exe	28
PID 3008 wrote to memory of 1072	3008	91a1879538d8f25996e16625eeb98e494fb979d1c3ece46804ff5c1d0b169f83.exe	28

C:\Users\Admin\AppData\Local\Temp\91a1879538d8f25996e16625eeb98e494fb979d1c3ece46804ff5c1d0b169f83.exe
"C:\Users\Admin\AppData\Local\Temp\91a1879538d8f25996e16625eeb98e494fb979d1c3ece46804ff5c1d0b169f83.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3008
- C:\ProgramData\pvhca.exe
  "C:\ProgramData\pvhca.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  PID:1072

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

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Documents and Settings .exe

Filesize
448KB

MD5
9418154362d5c59a8709b5bdf0a110b4

SHA1
2c485b8e7d17711d8912f5f742de58ee1e6ee34b

SHA256
e2fa24efef453936b6b7a58f16a6c6fff1b6c5ae151849dcb80c3749713429cf

SHA512
279dc18aaaca54fc036f122ed7d654bfc828d2f6d11cff31895b95409e97dd1c20f16f43ce0fd3bdb1e90d8c951b5d01e9805f90de3b68c06f4a0eccb06dc450

Download Submit
C:\ProgramData\Saaaalamm\Mira.h

Filesize
136KB

MD5
cb4c442a26bb46671c638c794bf535af

SHA1
8a742d0b372f2ddd2d1fdf688c3c4ac7f9272abf

SHA256
f8d2c17bdf34ccfb58070ac8b131a8d95055340101a329f9a7212ac5240d0c25

SHA512
074a31e8da403c0a718f93cbca50574d8b658921193db0e6e20eacd232379286f14a3698cd443dc740d324ad19d74934ae001a7ad64b88897d8afefbc9a3d4e3

Download Submit
\ProgramData\pvhca.exe

Filesize
311KB

MD5
f0b883c9d1eea581b0eb10d4114b5242

SHA1
0ddb8d1423d19315778106d136280971ab94822e

SHA256
4fc3e5ae60a5d5abe11a4344107580adc17d5eeaccaa17c3794ad6b5d565544a

SHA512
69eabf1a1423ca53f73674b57ef4b974160cff1acba25beb009b155456e8636d9ff7a539e1d152842dd7d40c0cbef6bc78f599ab736aff0ee9744e8eac39c073

Download Submit
memory/1072-137-0x0000000000400000-0x0000000000448000-memory.dmp

Filesize
288KB

Download
memory/3008-0-0x0000000000400000-0x0000000000474000-memory.dmp

Filesize
464KB

Download
memory/3008-1-0x0000000000400000-0x0000000000474000-memory.dmp

Filesize
464KB

Download
memory/3008-14-0x0000000000400000-0x0000000000474000-memory.dmp

Filesize
464KB

Download

Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads