4543d3bd81d78f348d4c11a266c569977331e02fc0dc6046b56d5525971ce2f1

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
26/05/2024, 10:35

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General

Target

$TEMP/mirc732.exe
Size

1.8MB
MD5

af8a18dc985cc387660457140d34cbb5
SHA1

8a7829514c516fd0ea0e847c3bd7f14cb82c4dd2
SHA256

0fc0502915c5ee6c9ec0d8e7b91fc2b2759c8aaa66ac21cd9b6125d7ceb24eb2
SHA512

3b204f46c2e702379e5e688caccae685a553f1d730460d6afcb486324cff7ad747ef215189a845b8b31dd826420d01358d90562537994ea2c89f5c2b77678ef4
SSDEEP

49152:mk3ROTcs5GhICCwhEDi9Hqog/amrqR0WycSqt6iaVB:mMwNxwhcMKP/kRD3Ht1aVB

Score

7^/10

evasion trojan

Malware Config

Signatures

Loads dropped DLL 8 IoCs

pid	Process
2200	mirc732.exe
2200	mirc732.exe
2200	mirc732.exe
2200	mirc732.exe
2200	mirc732.exe
2200	mirc732.exe
2200	mirc732.exe
2200	mirc732.exe

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	mirc732.exe

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

System Information Discovery
T1082

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2200	mirc732.exe

C:\Users\Admin\AppData\Local\Temp\$TEMP\mirc732.exe
"C:\Users\Admin\AppData\Local\Temp\$TEMP\mirc732.exe"
1⤵
- Loads dropped DLL
- Checks whether UAC is enabled
- Suspicious behavior: GetForegroundWindowSpam
PID:2200

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\nsd1853.tmp\ioSpecial.ini

Filesize
686B

MD5
f427839b1d49f17d841b8a6dd439ac89

SHA1
694449f8dfcc41e18b91be5215becff40f0825ec

SHA256
c4512b08584b7e43def473dd08a5fad6cbbe6af403f1b26e242555f4361d194a

SHA512
109ec798c0398a63607ba1d7befae56b87e773d9271d70a5a91b03302e5ef4381f357a5000f1802f21c8a490d58319d2647a9cba6db714a76fe0e47fe29bba95

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\Users\Admin\AppData\Local\Temp\nsd1853.tmp\AccessControl.dll

Filesize
10KB

MD5
055f4f9260e07fc83f71877cbb7f4fad

SHA1
a245131af1a182de99bd74af9ff1fab17977a72f

SHA256
4209588362785b690d08d15cd982b8d1c62c348767ca19114234b21d5df74ddc

SHA512
a8e82dc4435ed938f090f43df953ddad9b0075f16218c09890c996299420162d64b1dbfbf613af37769ae796717eec78204dc786b757e8b1d13d423d4ee82e26

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\Users\Admin\AppData\Local\Temp\nsd1853.tmp\InstallOptions.dll

Filesize
14KB

MD5
325b008aec81e5aaa57096f05d4212b5

SHA1
27a2d89747a20305b6518438eff5b9f57f7df5c3

SHA256
c9cd5c9609e70005926ae5171726a4142ffbcccc771d307efcd195dafc1e6b4b

SHA512
18362b3aee529a27e85cc087627ecf6e2d21196d725f499c4a185cb3a380999f43ff1833a8ebec3f5ba1d3a113ef83185770e663854121f2d8b885790115afdf

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\Users\Admin\AppData\Local\Temp\nsd1853.tmp\NSISdl.dll

Filesize
14KB

MD5
a5f8399a743ab7f9c88c645c35b1ebb5

SHA1
168f3c158913b0367bf79fa413357fbe97018191

SHA256
dacc88a12d3ba438fdae3535dc7a5a1d389bce13adc993706424874a782e51c9

SHA512
824e567f5211bf09c7912537c7836d761b0934207612808e9a191f980375c6a97383dbc6b4a7121c6b5f508cbfd7542a781d6b6b196ca24841f73892eec5e977

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\Users\Admin\AppData\Local\Temp\nsd1853.tmp\System.dll

Filesize
11KB

MD5
c17103ae9072a06da581dec998343fc1

SHA1
b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

SHA256
dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

SHA512
d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

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\Users\Admin\AppData\Local\Temp\nsd1853.tmp\UAC.dll

Filesize
17KB

MD5
88ad3fd90fc52ac3ee0441a38400a384

SHA1
08bc9e1f5951b54126b5c3c769e3eaed42f3d10b

SHA256
e58884695378cf02715373928bb8ade270baf03144369463f505c3b3808cbc42

SHA512
359496f571e6fa2ec4c5ab5bd1d35d1330586f624228713ae55c65a69e07d8623022ef54337c22c3aab558a9b74d9977c8436f5fea4194899d9ef3ffd74e7dbb

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\Users\Admin\AppData\Local\Temp\nsd1853.tmp\mIRC.dll

Filesize
23KB

MD5
37951d5d14c5b7d41899bfe3bcf965b8

SHA1
3f429c58188753ce59ef159785c468790955a821

SHA256
41e306c9396301950b4ed6e961736f70514fa57c9d872da11416e09fd0af50ee

SHA512
ba714c83eb2b89e353344b45949090e367b53ab04251ed316c43af60340e3f0d47323b15f4f9929c48910ac18e78178fb4f4dfa1f366ffbcdb6186eb3df15027

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