409626fe693996b98a2614fe717ae001a5c9609fc2546f2015554feec2b2e58b

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
14/01/2024, 18:36

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General

Target

5b900519dab644bbf016309ef4a45bf7.exe
Size

9KB
MD5

5b900519dab644bbf016309ef4a45bf7
SHA1

4ded0939b2e45eccadbdefadcc4476533317e5e1
SHA256

409626fe693996b98a2614fe717ae001a5c9609fc2546f2015554feec2b2e58b
SHA512

399cc94dbaf377ded833951be7cf1a1340fe4f50508ed154202f1cb5ccc9ac875d542c0f296479020e43e1ed6f0b890e76f10d273c50773cff3b1b10de8dbf40
SSDEEP

192:TUIxUWxbkf40IUTfwrwJgAUJD2aZ1ZUWO8ppWwa:TUkUCbD0IUUiPU922ZUWO8ppWd

Score

7^/10

evasion trojan upx

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1076	iexplore.exe

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Update.exe	5b900519dab644bbf016309ef4a45bf7.exe

Executes dropped EXE 1 IoCs

pid	Process
1076	iexplore.exe

Loads dropped DLL 2 IoCs

pid	Process
1572	5b900519dab644bbf016309ef4a45bf7.exe
1572	5b900519dab644bbf016309ef4a45bf7.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1572-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral1/files/0x000c000000013a83-3.dat	upx
behavioral1/memory/1572-9-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral1/memory/1076-13-0x0000000000400000-0x000000000040A000-memory.dmp	upx

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	iexplore.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Internet Explore	5b900519dab644bbf016309ef4a45bf7.exe
File opened for modification	C:\Program Files\Internet Explore\iexplore.exe	5b900519dab644bbf016309ef4a45bf7.exe
File created	C:\Program Files\Internet Explore\iexplore.exe	5b900519dab644bbf016309ef4a45bf7.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 1572 wrote to memory of 1076	1572	5b900519dab644bbf016309ef4a45bf7.exe	28
PID 1572 wrote to memory of 1076	1572	5b900519dab644bbf016309ef4a45bf7.exe	28
PID 1572 wrote to memory of 1076	1572	5b900519dab644bbf016309ef4a45bf7.exe	28
PID 1572 wrote to memory of 1076	1572	5b900519dab644bbf016309ef4a45bf7.exe	28

C:\Users\Admin\AppData\Local\Temp\5b900519dab644bbf016309ef4a45bf7.exe
"C:\Users\Admin\AppData\Local\Temp\5b900519dab644bbf016309ef4a45bf7.exe"
1⤵
- Drops startup file
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:1572
- C:\Program Files\Internet Explore\iexplore.exe
  "C:\Program Files\Internet Explore\iexplore.exe" C:\Users\Admin\AppData\Local\Temp\5b900519dab644bbf016309ef4a45bf7.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Checks whether UAC is enabled
  PID:1076

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Program Files\Internet Explore\iexplore.exe

Filesize
9KB

MD5
5b900519dab644bbf016309ef4a45bf7

SHA1
4ded0939b2e45eccadbdefadcc4476533317e5e1

SHA256
409626fe693996b98a2614fe717ae001a5c9609fc2546f2015554feec2b2e58b

SHA512
399cc94dbaf377ded833951be7cf1a1340fe4f50508ed154202f1cb5ccc9ac875d542c0f296479020e43e1ed6f0b890e76f10d273c50773cff3b1b10de8dbf40

Download Submit
memory/1076-13-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/1572-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/1572-11-0x00000000001D0000-0x00000000001DA000-memory.dmp

Filesize
40KB

Download
memory/1572-12-0x00000000001D0000-0x00000000001DA000-memory.dmp

Filesize
40KB

Download
memory/1572-9-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download