asyncrat | 9c55248df602d934cc7f54b56b152cd5e02222109f1547302f13f94380c08e32

Analysis

max time kernel
66s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20250314-en
resource tags

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
submitted
05/04/2025, 03:27

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General

Target

2025-04-05_9c98dc43dc994609c78345135b429b97_black-basta_cobalt-strike_coinminer_satacom_zxxz.exe
Size

73.6MB
MD5

9c98dc43dc994609c78345135b429b97
SHA1

f08ac25c89e3dbe81d4fcdb5227fce849279e803
SHA256

9c55248df602d934cc7f54b56b152cd5e02222109f1547302f13f94380c08e32
SHA512

bf782f60171734dc6c67e37ca74f4c1df06ad45938a28dd21ef278908f35c78f1c2ea9b74f2263d5ccebe95a155d4d70e3744f57abae15aaa0b3e928881b983a
SSDEEP

393216:C76L6otUitqtH7wHtXq2pt2jbOCacCFIK0fpP9HF4VW8yf7nVQx4urYsANulL7N1:C0LoCOn+27s4urYDNulLBiup

Score

10^/10

asyncrat stormkitty venomrat discovery rat stealer

Malware Config

Signatures

AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
rat asyncrat
Asyncrat family
asyncrat
StormKitty
StormKitty is an open source info stealer written in C#.
stealer stormkitty

StormKitty payload 1 IoCs

resource	yara_rule
behavioral1/memory/4052-33-0x0000000000400000-0x000000000073E000-memory.dmp	family_stormkitty

Stormkitty family
stormkitty

VenomRAT 1 IoCs

Detects VenomRAT.

rat

resource	yara_rule
behavioral1/memory/4052-33-0x0000000000400000-0x000000000073E000-memory.dmp	VenomRAT

Venomrat family
venomrat

Executes dropped EXE 1 IoCs

pid	Process
2152	neww.exe

Loads dropped DLL 10 IoCs

pid	Process
2152	neww.exe
2152	neww.exe
2152	neww.exe
2152	neww.exe
2152	neww.exe
2152	neww.exe
2152	neww.exe
2152	neww.exe
2152	neww.exe
2152	neww.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2152 set thread context of 4052	2152	neww.exe	95

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1012	4052	WerFault.exe	95

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AddInProcess32.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

description	pid	Process
Token: SeRestorePrivilege	2152	neww.exe
Token: SeBackupPrivilege	2152	neww.exe
Token: SeDebugPrivilege	2152	neww.exe
Token: SeDebugPrivilege	4052	AddInProcess32.exe
Token: SeIncreaseQuotaPrivilege	4052	AddInProcess32.exe
Token: SeSecurityPrivilege	4052	AddInProcess32.exe
Token: SeTakeOwnershipPrivilege	4052	AddInProcess32.exe
Token: SeLoadDriverPrivilege	4052	AddInProcess32.exe
Token: SeSystemProfilePrivilege	4052	AddInProcess32.exe
Token: SeSystemtimePrivilege	4052	AddInProcess32.exe
Token: SeProfSingleProcessPrivilege	4052	AddInProcess32.exe
Token: SeIncBasePriorityPrivilege	4052	AddInProcess32.exe
Token: SeCreatePagefilePrivilege	4052	AddInProcess32.exe
Token: SeBackupPrivilege	4052	AddInProcess32.exe
Token: SeRestorePrivilege	4052	AddInProcess32.exe
Token: SeShutdownPrivilege	4052	AddInProcess32.exe
Token: SeDebugPrivilege	4052	AddInProcess32.exe
Token: SeSystemEnvironmentPrivilege	4052	AddInProcess32.exe
Token: SeRemoteShutdownPrivilege	4052	AddInProcess32.exe
Token: SeUndockPrivilege	4052	AddInProcess32.exe
Token: SeManageVolumePrivilege	4052	AddInProcess32.exe
Token: 33	4052	AddInProcess32.exe
Token: 34	4052	AddInProcess32.exe
Token: 35	4052	AddInProcess32.exe
Token: 36	4052	AddInProcess32.exe
Token: SeIncreaseQuotaPrivilege	4052	AddInProcess32.exe
Token: SeSecurityPrivilege	4052	AddInProcess32.exe
Token: SeTakeOwnershipPrivilege	4052	AddInProcess32.exe
Token: SeLoadDriverPrivilege	4052	AddInProcess32.exe
Token: SeSystemProfilePrivilege	4052	AddInProcess32.exe
Token: SeSystemtimePrivilege	4052	AddInProcess32.exe
Token: SeProfSingleProcessPrivilege	4052	AddInProcess32.exe
Token: SeIncBasePriorityPrivilege	4052	AddInProcess32.exe
Token: SeCreatePagefilePrivilege	4052	AddInProcess32.exe
Token: SeBackupPrivilege	4052	AddInProcess32.exe
Token: SeRestorePrivilege	4052	AddInProcess32.exe
Token: SeShutdownPrivilege	4052	AddInProcess32.exe
Token: SeDebugPrivilege	4052	AddInProcess32.exe
Token: SeSystemEnvironmentPrivilege	4052	AddInProcess32.exe
Token: SeRemoteShutdownPrivilege	4052	AddInProcess32.exe
Token: SeUndockPrivilege	4052	AddInProcess32.exe
Token: SeManageVolumePrivilege	4052	AddInProcess32.exe
Token: 33	4052	AddInProcess32.exe
Token: 34	4052	AddInProcess32.exe
Token: 35	4052	AddInProcess32.exe
Token: 36	4052	AddInProcess32.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1248 wrote to memory of 2152	1248	2025-04-05_9c98dc43dc994609c78345135b429b97_black-basta_cobalt-strike_coinminer_satacom_zxxz.exe	94
PID 1248 wrote to memory of 2152	1248	2025-04-05_9c98dc43dc994609c78345135b429b97_black-basta_cobalt-strike_coinminer_satacom_zxxz.exe	94
PID 2152 wrote to memory of 4052	2152	neww.exe	95
PID 2152 wrote to memory of 4052	2152	neww.exe	95
PID 2152 wrote to memory of 4052	2152	neww.exe	95
PID 2152 wrote to memory of 4052	2152	neww.exe	95
PID 2152 wrote to memory of 4052	2152	neww.exe	95
PID 2152 wrote to memory of 4052	2152	neww.exe	95
PID 2152 wrote to memory of 4052	2152	neww.exe	95
PID 2152 wrote to memory of 4052	2152	neww.exe	95

C:\Users\Admin\AppData\Local\Temp\2025-04-05_9c98dc43dc994609c78345135b429b97_black-basta_cobalt-strike_coinminer_satacom_zxxz.exe
"C:\Users\Admin\AppData\Local\Temp\2025-04-05_9c98dc43dc994609c78345135b429b97_black-basta_cobalt-strike_coinminer_satacom_zxxz.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1248
- C:\Users\Admin\AppData\Local\Temp\4ee8582ff213b2ab1656a4aa3212f11a\neww.exe
  C:\Users\Admin\AppData\Local\Temp\4ee8582ff213b2ab1656a4aa3212f11a\neww.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2152
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:4052
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4052 -s 1352
      4⤵
      Program crash
      PID:1012

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 4052 -ip 4052
1⤵
PID:2368

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\4ee8582ff213b2ab1656a4aa3212f11a\mscorlib.dll

Filesize
3.2MB

MD5
2a9d648e26737cf10e007466e69b32ad

SHA1
c6164fdd994f1b61b34a6f843fedc283adace311

SHA256
ff5bc05e7cf56a0bfc0f76871700a1e47248a906861507b22d3e1863114ed57f

SHA512
cadebefb8f5ceb41e9fb2130607fc71a4b309f813818ed8ca8ec077c92faeac4c8207d6c57f0e0cd5d347fe302b1eeb96c205402fc80ddc59c104eb65f12aabd

Download Submit
C:\Users\Admin\AppData\Local\Temp\4ee8582ff213b2ab1656a4aa3212f11a\msys-2.0.dll

Filesize
19.0MB

MD5
4c0f588776766601d238212793dbd265

SHA1
1d93b1fb2c4d1e4560845c33802556a32ef03f44

SHA256
6803e2ae189007eca3341bb929ff4787da7eb02d0a5138377863d63a9a53b4a4

SHA512
53334c64ba2ddfb22cd16d975f561f6efb28411c226b47c0d888d0d24a1dadcf6d875df9b473e4282a2c8581394fbef707515906cf3017504bfb0d67e95069e9

Download Submit
C:\Users\Admin\AppData\Local\Temp\4ee8582ff213b2ab1656a4aa3212f11a\msys-bz2-1.dll

Filesize
76KB

MD5
2ce8ffa22b809cd554553f91d1cc4120

SHA1
cfcb93ee08bc62cd4e81e2bbfef5958cc2767116

SHA256
d8960f2c96c1cfd331a4ba3e9b1168d468bf21b9b9e35d56574c41ae216528fd

SHA512
2b8c8b59ad4154e98b0208fff587be755469f87304ff31c784e6f436799bb952e2a4c3e58dd0f6eed7a2fbb1efe32d914fe8172aba09aa3f7c5809fe8fa0c383

Download Submit
C:\Users\Admin\AppData\Local\Temp\4ee8582ff213b2ab1656a4aa3212f11a\msys-gcrypt-20.dll

Filesize
809KB

MD5
1ef19a4c70d6a70ccd3beb7cf3f8f3fb

SHA1
09f27e34dbc7d8050653568a08efff6e97402487

SHA256
01d0a9c35bf1909d6c9c12938c944fa6e966d9731b3d523241148d73457fe228

SHA512
05fd1f4d53403d85bd5be278e4f97dc6573ee467ef4c97c14cf43719254bbc752229f833477215ba654df1f10d7ea1a2446160858083bcdbbb950c9125db643a

Download Submit
C:\Users\Admin\AppData\Local\Temp\4ee8582ff213b2ab1656a4aa3212f11a\msys-gpg-error-0.dll

Filesize
4.3MB

MD5
2617b5952d0dc1d30501a3b7b51e5f3a

SHA1
ed7c004849cd1d2ff0bb5090f37b2f2e41244632

SHA256
9af39637c3464dcbc925b24c4ad69c2892ff8f6714470068e1cf3e94798a995a

SHA512
88b47a02d530fb26639152947e4612f3465d3c77b6d603cdcd725950826f5d1e430cc044a6584dad0491573015c96985dbfbbd294942a3535866ef513ad6205d

Download Submit
C:\Users\Admin\AppData\Local\Temp\4ee8582ff213b2ab1656a4aa3212f11a\msys-iconv-2.dll

Filesize
1.0MB

MD5
201a1e2cb51fd63de986eb10eb63b102

SHA1
490c2432dc6be8b413379df1dd1e3cc2a2c2afc0

SHA256
8903f3e555910ce61d04d7701918cc1e2ebf58b538b50bc8bb46977a9aee220e

SHA512
a68bc678882ae7a91be78ce389813d3f6d04aeecd16662b2ec72ebf7c9d02e3385806de3486e9e038e49803ac713041ef060920e84da637aab175bbc03c758a3

Download Submit
C:\Users\Admin\AppData\Local\Temp\4ee8582ff213b2ab1656a4aa3212f11a\msys-intl-8.dll

Filesize
118KB

MD5
9e3c2aae15ca4d64663f6a2aae34f49a

SHA1
9b729ba542116f7f4436075cf8972e5d00dab31e

SHA256
b01721c410ac4a47a24927bd60dce4f7b1669684755e9ee52596493778dba956

SHA512
42240a60ec4db3539d48966b41301c638be7165a0dba408d6264ab59130c749ee5a30aa7f5f9f38fea644afd0d3374c620a04916682f08559f482938caf47061

Download Submit
C:\Users\Admin\AppData\Local\Temp\4ee8582ff213b2ab1656a4aa3212f11a\msys-z.dll

Filesize
96KB

MD5
e2d249c598602e4f2319c8666506b82b

SHA1
20efc47cb2e853a0f5886d3d6e282766284ef81d

SHA256
fb025d533f2225d62b50cc47e7cfe0d0bd506675a3c40bc70190aa4de8abb8fb

SHA512
b34104c4a715fed610de685fbf822bc167697a6e5561bd0b3ce5d6707b54516ff7c00afae518889b0e4a1b5063c2a9f2bea20b099eea4f7fb3ba933e185e5c37

Download Submit
C:\Users\Admin\AppData\Local\Temp\4ee8582ff213b2ab1656a4aa3212f11a\neww.exe

Filesize
72KB

MD5
9fa17f438815b4a61e69e35bbdaeba8b

SHA1
1d038227b4d7d198ca58e1b3eba2109defc23893

SHA256
050b95baf2df2f56926f4e3b37984de202a3609f210b2ff4680acba59aa8d95b

SHA512
9fa4dbad76b6d6e33305820064bc69f2feddf9c64fc7de809684265605ba89632691f43de05f49806dc9463957b15dbe8f491887ddea0d5fd12c4d08bdfa9765

Download Submit
memory/2152-41-0x00000000020A0000-0x0000000003311000-memory.dmp

Filesize
18.4MB

Download
memory/2152-39-0x0000000461220000-0x0000000461237000-memory.dmp

Filesize
92KB

Download
memory/2152-40-0x0000000210040000-0x00000002112B1000-memory.dmp

Filesize
18.4MB

Download
memory/2152-38-0x0000000430B30000-0x0000000430B52000-memory.dmp

Filesize
136KB

Download
memory/2152-37-0x00000005603F0000-0x0000000560500000-memory.dmp

Filesize
1.1MB

Download
memory/2152-35-0x00000004AEE70000-0x00000004AEF3D000-memory.dmp

Filesize
820KB

Download
memory/2152-34-0x0000000100400000-0x0000000100416000-memory.dmp

Filesize
88KB

Download
memory/2152-36-0x0000000522FE0000-0x0000000522FFD000-memory.dmp

Filesize
116KB

Download
memory/2152-32-0x0000000000E20000-0x0000000002091000-memory.dmp

Filesize
18.4MB

Download
memory/2152-31-0x0000000003320000-0x0000000004591000-memory.dmp

Filesize
18.4MB

Download
memory/4052-33-0x0000000000400000-0x000000000073E000-memory.dmp

Filesize
3.2MB

Download
memory/4052-42-0x00000000056A0000-0x0000000005C44000-memory.dmp

Filesize
5.6MB

Download
memory/4052-43-0x00000000051F0000-0x0000000005256000-memory.dmp

Filesize
408KB

Download