ad88e817890d49d82f221a0b7b6cdb63c0fabb5da0c57f727997f133acae2a28

Analysis

max time kernel
121s
max time network
125s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
05-03-2024 13:32

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General

Target

b4d1714f0d15ef16bdd37d70c341bee4.exe
Size

57KB
MD5

b4d1714f0d15ef16bdd37d70c341bee4
SHA1

34c6fda5c4ad6d5616b6c777345598685c11d1a0
SHA256

ad88e817890d49d82f221a0b7b6cdb63c0fabb5da0c57f727997f133acae2a28
SHA512

0b6433a15e9c0f5b41dbf154de65f4f542c1e35115fa59aa3085c9ff210a4b352f8b11796dd63d4c17930889312835e43f3a481a4debd1e599f6271c15494363
SSDEEP

1536:WqBwbLWJLJFKqAZzrZA4kJJIlAfEXhZPESdD3hb:WqBFJLzgOJJEw0Z8SdD3p

Score

7^/10

Malware Config

Signatures

Loads dropped DLL 2 IoCs

pid	Process
1048	b4d1714f0d15ef16bdd37d70c341bee4.exe
1048	b4d1714f0d15ef16bdd37d70c341bee4.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\PROGRA~1\INTERN~1\ieframe.dll	cmd.exe
File opened for modification	C:\PROGRA~1\INTERN~1\ieframe.dll	cmd.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeRestorePrivilege	1048	b4d1714f0d15ef16bdd37d70c341bee4.exe
Token: SeBackupPrivilege	1048	b4d1714f0d15ef16bdd37d70c341bee4.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1048 wrote to memory of 2892	1048	b4d1714f0d15ef16bdd37d70c341bee4.exe	28
PID 1048 wrote to memory of 2892	1048	b4d1714f0d15ef16bdd37d70c341bee4.exe	28
PID 1048 wrote to memory of 2892	1048	b4d1714f0d15ef16bdd37d70c341bee4.exe	28
PID 1048 wrote to memory of 2892	1048	b4d1714f0d15ef16bdd37d70c341bee4.exe	28
PID 1048 wrote to memory of 2892	1048	b4d1714f0d15ef16bdd37d70c341bee4.exe	28
PID 1048 wrote to memory of 2892	1048	b4d1714f0d15ef16bdd37d70c341bee4.exe	28
PID 1048 wrote to memory of 2892	1048	b4d1714f0d15ef16bdd37d70c341bee4.exe	28

C:\Users\Admin\AppData\Local\Temp\b4d1714f0d15ef16bdd37d70c341bee4.exe
"C:\Users\Admin\AppData\Local\Temp\b4d1714f0d15ef16bdd37d70c341bee4.exe"
1⤵
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1048
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c copy C:\Users\Admin\AppData\Local\Temp\ife.txt "C:\PROGRA~1\INTERN~1\ieframe.dll" /a
  2⤵
  - Drops file in Program Files directory
  PID:2892

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\ife.txt

Filesize
19.4MB

MD5
cefd6637349d1703fb8f8c6cdf43fa49

SHA1
cffc28bc6a77056e94943f232e02547037a472fe

SHA256
1b29d1101bfe79d895b3b87d927ee708a6845c76cf1fa6db42d3efe916bee353

SHA512
b23a1a7c0cb8ec3e71925855785368016dded837caffb3e274c847573a1cf7a9e14fb563aa9b1c56acce5823c48b5d2c3304bab2aa3f4a4246b553752e220cb7

Download Submit
\Users\Admin\AppData\Local\Temp\nsy5217.tmp\nsExec.dll

Filesize
6KB

MD5
e54eb27fb5048964e8d1ec7a1f72334b

SHA1
2b76d7aedafd724de96532b00fbc6c7c370e4609

SHA256
ff00f5f7b8d6ca6a79aebd08f9625a5579affcd09f3a25fdf728a7942527a824

SHA512
c9ddd19484a6218f926295a88f8776aff6c0a98565714290485f9b3b53e7b673724946defed0207064d6ab0b1baa7cb3477952f61dbe22947238d3f5802fa4f4

Download Submit
\Users\Admin\AppData\Local\Temp\nsy5217.tmp\time.dll

Filesize
10KB

MD5
38977533750fe69979b2c2ac801f96e6

SHA1
74643c30cda909e649722ed0c7f267903558e92a

SHA256
b4a95a455e53372c59f91bc1b5fb9e5c8e4a10a506fa04aaf7be27048b30ae35

SHA512
e17069395ad4a17e24f7cd3c532670d40244bd5ae3887c82e3b2e4a68c250cd55e2d8b329d6ff0e2d758955ab7470534e6307779e49fe331c1fd2242ea73fd53

Download Submit