44a8928b3eb7e82ad62c4973a1b4d913075c5b5c6947874e7ce58500bda4cc02

Analysis

max time kernel
147s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2023, 23:11

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General

Target

uuFax_Setup.exe
Size

1.9MB
MD5

9f1f81dfd807b6749281f1c2aeac4207
SHA1

fd8c0e43530248be12ab48ee6e34ac2c69007096
SHA256

50315111cdda11473c6a061c5caeb01364a881b1fb251244d1f38d38063e5339
SHA512

31bbdd62d8f87fa3cc81b95dadd3542bf0b7a2e7ee114fc67ceb71c921ad847b61a888d12e5a54a70ac7a9f47b29943feb4b1c8b9f6d026419958f2f003d9612
SSDEEP

49152:D2dxcN7uw/FXli9aNfVLSxxEyaNtCN4mWC+lMJsO/M:q/cte9aNcxxEltXl+/M

Score

7^/10

aspackv2

Malware Config

Signatures

ASPack v2.12-2.42 2 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

resource	yara_rule
behavioral2/files/0x0006000000023222-16.dat	aspack_v212_v242
behavioral2/files/0x0006000000023222-14.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
2456	uuFax_Setup.tmp

Loads dropped DLL 2 IoCs

pid	Process
2456	uuFax_Setup.tmp
2456	uuFax_Setup.tmp

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4940 wrote to memory of 2456	4940	uuFax_Setup.exe	16
PID 4940 wrote to memory of 2456	4940	uuFax_Setup.exe	16
PID 4940 wrote to memory of 2456	4940	uuFax_Setup.exe	16

C:\Users\Admin\AppData\Local\Temp\uuFax_Setup.exe
"C:\Users\Admin\AppData\Local\Temp\uuFax_Setup.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4940
- C:\Users\Admin\AppData\Local\Temp\is-F9QC5.tmp\uuFax_Setup.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-F9QC5.tmp\uuFax_Setup.tmp" /SL5="$A008E,1785023,52224,C:\Users\Admin\AppData\Local\Temp\uuFax_Setup.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:2456

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

C:\Users\Admin\AppData\Local\Temp\is-BUIJB.tmp\DataBaseSwitch.dll

Filesize
14KB

MD5
fed4a3b79f8fc6dccdb296cd968c72d4

SHA1
04aefc764f6de4ef7d5dc4a3694b41c07f320e35

SHA256
dcff5035e29732e4de86880f88ddfe957b36ecae471c43b2813fae18d95849ac

SHA512
427cc94f758e4da738134682598b2dbac59356251b1af8de8c52867692a964d88941b3e9e4e76dfc79b675588896a3a13415669f34510577bbf8463fa69e180f

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-BUIJB.tmp\DataBaseSwitch.dll

Filesize
39KB

MD5
9a67d9440c6eb24d865366b87978358d

SHA1
8d35e4a431497a6253da709684fbe0277f297542

SHA256
c28ebe568c9689c10c9d970c519f996739355abd933731a17e23e4cecbea5f14

SHA512
ae0d8a87ef25cbdd1476b8e70879709dc8b59f95025d0ff22c7444e0ff2e1e2d583edb0f2f819435f48aec5893a112916da3c4d342c8d6a3b422c24e9e853698

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-F9QC5.tmp\uuFax_Setup.tmp

Filesize
152KB

MD5
d09abf3182669432f77896d0911fd017

SHA1
270bb5dbb43563dcf6ace5fc54289dc8bc149364

SHA256
ad4bd84979bd7486cb20bdc52fa19a0210d62528248cfe95ead6e72416f74e78

SHA512
1fe6c6aff6aaf159c43a81bd99c6069e6d13d4c4afd5e1df6f8ab5fcd5b5ef30eb3180e71949908a216096ef6323000447c4429a8a7c7bbab6b5aa0d588fabe3

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-F9QC5.tmp\uuFax_Setup.tmp

Filesize
138KB

MD5
96dd9d416ef098087070c7e9906e0961

SHA1
3f754471cade2f0906a56303e7ba3d78eaa02edd

SHA256
bd10bc48134acd1ae5bf5ed0fe15d4c505795159b26d6f077596a9020e64503e

SHA512
f0ef1bd7dcb7c0518d159dfa7c4d6e84599cc8caeeaf9f711b8824add8bb8071a46b2d746611fff582daf7387fd89bc1c1278d93fe28a1af4ac0fb3e945be5f3

Download Submit
memory/2456-12-0x00000000007A0000-0x00000000007A1000-memory.dmp

Filesize
4KB

Download
memory/2456-20-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/2456-21-0x00000000025A0000-0x0000000002603000-memory.dmp

Filesize
396KB

Download
memory/2456-25-0x00000000007A0000-0x00000000007A1000-memory.dmp

Filesize
4KB

Download
memory/4940-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4940-2-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4940-19-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download